CN100481754C - Wireless communication system, wireless microphone and controlling method thereof - Google Patents
Wireless communication system, wireless microphone and controlling method thereof Download PDFInfo
- Publication number
- CN100481754C CN100481754C CNB021542368A CN02154236A CN100481754C CN 100481754 C CN100481754 C CN 100481754C CN B021542368 A CNB021542368 A CN B021542368A CN 02154236 A CN02154236 A CN 02154236A CN 100481754 C CN100481754 C CN 100481754C
- Authority
- CN
- China
- Prior art keywords
- signal
- exercisable
- wireless
- voice signal
- control signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses a kind of wireless microphone, which is used to receive an audio signal and transmit a wireless signal, it can combine an audio operation unit and an output control signal operationally. It includes: modulating device for modulating the wireless signal containing audio signal in order to generate a modulated wireless signal, the modulating device is operational under several operation conditions, and it has several signal channels related to operation condition and permissible for passing wireless signal; the detecting device for detecting the control signal outputted by audio operation unit, the control signal represents the operation condition of the modulating device; and adjustment device for responding the control signal form acoustics operation unit to adjust and modulate the operation condition of the device.
Description
Technical field
The present invention relates to a kind of wireless communication system, be used to transmit and receive the wireless signal of the voice signal that carries speaker's sound of expression, and relate in particular to a kind of wireless communication system, comprise at least one wireless microphone, be used to launch the wireless signal that carries voice signal, with a radio receiving unit, be used to receive wireless microphone wireless signal emission, that carry voice signal, so that guarantee reliable communication based on the channel that is input to wireless microphone, gain and other operating conditions by at local communication zone.
Background technology
So far, advised various such wireless communication systems, a typical example as shown in figure 12.Shown conventional wireless communication system in Figure 12, comprised at least one wireless microphone, be used to receive speaker's speech, the wireless signal of the voice signal of expression speaker sound is carried in emission simultaneously; With a radio receiving unit, be used to receive the wireless signal that carries voice signal by the wireless microphone emission.
Wireless microphone comprises: acoustic signal reception apparatus 11, be used to receive speaker's speech, and simultaneously speaker's voice conversion is become voice signal; One sound signal amplifier 12 is used to amplify the voice signal that is received by acoustic signal reception apparatus 11; Channel selection switch 27 with signaling channel is to select one of them of signaling channel; The storage device (not shown) is used to store the information about the frequency of the wireless signal related with signaling channel; Adjusting device 18 is used for the canned data according to storage device (not shown) institute, in response to the signaling channel of selecting by channel selection switch 27, decides the frequency of wireless signal; Modulating device 13 is used to modulate wireless signal, to produce by sound signal amplifier 12 wireless signals that amplify, that carry voice signal; Control device 16 is used to allow modulating device 13 to produce and the relevant wireless signal of selecting by channel selection switch 27 of signaling channel; One wireless signal amplifier 14 is used to amplify by modulating device 13 wireless signals that produce, that carry voice signal; With emitter 15, be used to launch by wireless signal amplifier 14 wireless signals that amplify, that carry voice signal.
Therefore, the previously mentioned conventional wireless communication system that is constructed as mentioned previously runs into following problem: at console switch element optionally with before changing signaling channel, wireless microphone makes that opening and closing coating member requires great effort, and the radio receiving unit of one of conventional wireless communication system tends to receive the wireless signal by the wireless microphone emission of other conventional wireless communication system, thereby causes worsening the generation rate of speaker's speech.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of wireless communication system, a kind of wireless microphone and a kind of wireless microphone control method, make at console switch element optionally with before changing signaling channel, need not open and close coating member, and operation signal channel, gain and other operating condition at an easy rate, to obtain good reproducibility.
Another object of the present invention provides a kind of wireless communication system, and it can obtain good reproducibility, and can be not interfering with each other in the local communication zone of setting up wireless communication system adjacent one another are.
According to first aspect of the present invention, a kind of wireless microphone is provided, can with output control signal acoustic operation unit binding operation, described wireless microphone is exercisable under a plurality of operating conditions, described wireless microphone comprises: acoustic signal reception apparatus is used to receive voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit; Checkout gear is used to detect described control signal; And adjusting device, be used for adjusting described operating condition in response to described control signal by described checkout gear detection.
According to second aspect of the present invention, a kind of wireless microphone is provided, can with output a plurality of control signals acoustic operation unit binding operation, comprise: acoustic signal reception apparatus is used to receive voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit; Modulating device is used to modulate the wireless signal that has described voice signal, and to produce the wireless signal of a modulation, described modulating device is exercisable under a plurality of operating conditions, and has a plurality of signaling channels relevant with described operating condition; Checkout gear is used to detect described control signal; And adjusting device, be used for adjusting the described operating condition of described modulating device in response to by the described control signal that described checkout gear detected.
According to the 3rd aspect of the present invention, provide a kind of be used for can with the wireless microphone method of adjustment of wireless microphone of the acoustic operation unit binding operation of a plurality of control signals of output, described wireless microphone comprises: acoustic signal reception apparatus is used to receive voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit; Modulating device is used to modulate the wireless signal that has described voice signal, and to produce the wireless signal of a modulation, described modulating device is exercisable under a plurality of operating conditions, and has relevant with described operating condition a plurality of signaling channels; Checkout gear is used to detect described control signal; And adjusting device, be used for adjusting the operating condition of described modulating device in response to described control signal by described checkout gear detection.Described wireless microphone method of adjustment comprises: a voice signal receiving step receives voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit; One detects step, detects described control signal; And set-up procedure, adjust described operating condition in response to the described control signal that in described detection step, detects.
According to the 4th aspect of the present invention, a kind of wireless communication system is provided, be used to receive voice signal and send wireless signal, comprising: the acoustic operation unit is used to export a plurality of control signals; And wireless microphone, be used for from acoustic operation unit reception control signal, wireless microphone comprises: comprising: acoustic signal reception apparatus is used to receive voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit; Modulating device is used to modulate the wireless signal that has described voice signal, and to produce the wireless signal of a modulation, described modulating device is exercisable under a plurality of operating conditions, and has a plurality of signaling channels relevant with described operating condition; Checkout gear is used to detect described control signal; And adjusting device, be used for adjusting the described operating condition of described modulating device in response to by the described control signal that described checkout gear detected.
Wireless microphone can also comprise: a sound signal amplifier, be used to amplify the voice signal that receives by acoustic signal reception apparatus, to produce a voice signal that amplifies, sound signal amplifier is exercisable under a plurality of operating conditions, and has a plurality of gain amplifiers relevant with operating condition to influence voice signal; Wherein checkout gear is exercisable, to detect each control signal of the operating condition of representing sound signal amplifier respectively, with adjusting device be exercisable, with in response to by the control signal that checkout gear was detected, adjust each operating condition of sound signal amplifier.
Wireless microphone also comprises: the voice signal static limiter, be used for the noise elimination voice signal, the voice signal static limiter is exercisable under a plurality of operating conditions, and have two different states that comprise first and second states relevant with operating condition, in first state, the voice signal static limiter is exercisable, so that noise elimination is not by the voice signal of acoustic signal reception apparatus reception, with in second state, the voice signal static limiter is exercisable, so that the voice signal that noise elimination is received by acoustic signal reception apparatus; Checkout gear be exercisable with, detect each control signal of the operating condition represent the voice signal static limiter respectively; With adjusting device be exercisable, with in response to by the control signal that checkout gear was detected, adjust the operating condition of voice signal static limiter.
Wireless microphone can also comprise: emitter, be used to send the wireless signal of amplification, emitter is exercisable under a plurality of operating conditions, and have two different states that comprise first and second states relevant with operating condition, in first state, emitter is exercisable, to send the wireless signal that amplifies, with in second state, emitter is exercisable, so that do not send the wireless signal of amplification; And wherein checkout gear is exercisable, is exercisable with each control signal and the adjusting device that detects the operating condition of representing emitter respectively, with in response to by the control signal that checkout gear was detected, adjusts the operating condition of emitter.
Wireless microphone can also comprise: a wireless signal amplifier, be used to amplify the wireless signal of modulation, to produce a wireless signal that amplifies, the wireless signal amplifier is exercisable under a plurality of operating conditions, and have a plurality of gains relevant with operating condition, with the wireless signal of influence modulation; And wherein checkout gear is exercisable, to detect each control signal of the operating condition of representing the wireless signal amplifier respectively, with adjusting device be exercisable, with in response to the control signal that checkout gear was detected, adjust the operating condition of wireless signal amplifier.
Wireless microphone can also comprise: supply unit, be used to provide electric power, supply unit is exercisable under a plurality of operating conditions, and have two different states that comprise first and second states relevant with operating condition, in first state, supply unit is exercisable so that power supply and in second state, and supply unit is exercisable so that save electric power; Checkout gear is exercisable, to detect each control signal of the operating condition of representing supply unit respectively; With adjusting device be exercisable, with in response to by the control signal that checkout gear was detected, adjust the operating condition of supply unit.
Wireless microphone can also comprise: sound signal amplifier, be used to amplify the voice signal that receives by acoustic signal reception apparatus, to produce a voice signal that amplifies, sound signal amplifier is exercisable under a plurality of operating conditions, and have a plurality of acoustic characteristics relevant with operating condition, to influence voice signal based on acoustic characteristic; And wherein checkout gear is exercisable, to detect each control signal of the operating condition of representing sound signal amplifier respectively, with adjusting device be exercisable, with in response to by the control signal that checkout gear was detected, adjust the operating condition of sound signal amplifier.
Wireless microphone can also comprise: measurement mechanism, be used to measure once the time of mistake, be used to judge whether elapsed time surpasses a predetermined stand-by period, be used to produce an alarm signal, with measurement mechanism be exercisable, judge that with box lunch the elapsed time during time, produces an alarm signal above scheduled wait; Sound signal amplifier is used to amplify the alarm signal that is produced by measurement mechanism, to produce an alarm signal of amplifying, sound signal amplifier is exercisable under a plurality of operating conditions, and have two different states that comprise first and second states relevant with operating condition, in first state, sound signal amplifier is exercisable, to produce the alarm signal of amplifying, with in second state, sound signal amplifier is exercisable, not amplify alarm signal; And wherein checkout gear is exercisable, to detect each control signal of the operating condition of representing sound signal amplifier respectively, with adjusting device be exercisable, with in response to by the control signal that checkout gear was detected, adjust the operating condition of sound signal amplifier.
In wireless communication system, the acoustic operation unit is exercisable, represents the touch-tone signal of control signal respectively with output.
In wireless communication system, the acoustic operation unit is exercisable, represents the musical sound of control signal respectively with output.
Description of drawings
In conjunction with the drawings, proceed to describe, purpose of the present invention, characteristics and advantage will become apparent, wherein:
Fig. 1 is the block diagram according to first embodiment of wireless communication system of the present invention;
Fig. 2 is a block diagram that forms part according to the wireless microphone of the wireless communication system of second embodiment of the invention;
Fig. 3 is a block diagram that forms part according to the wireless microphone of the wireless communication system of third embodiment of the invention;
Fig. 4 is a block diagram that forms part according to the wireless microphone of the wireless communication system of fourth embodiment of the invention;
Fig. 5 is a block diagram that forms part according to the wireless microphone of the wireless communication system of fifth embodiment of the invention;
Fig. 6 is a block diagram that forms part according to the wireless microphone of the wireless communication system of sixth embodiment of the invention;
Fig. 7 is a block diagram that forms part according to the wireless microphone of the wireless communication system of seventh embodiment of the invention;
Fig. 8 is a block diagram that forms part according to the wireless microphone of the wireless communication system of eighth embodiment of the invention;
Fig. 9 is the process chart according to first embodiment of wireless communication system of the present invention;
Figure 10 is a schematic diagram, has shown first embodiment according to wireless communication system of the present invention;
Figure 11 is a schematic diagram, has shown conventional wireless communication system; With
Figure 12 is a block diagram of general communication microphone.
Embodiment
After this, with the embodiment that describes in detail according to wireless communication system of the present invention, wireless microphone and wireless microphone control method.
Now will be in conjunction with 1 first embodiment that describes according to wireless communication system of the present invention with reference to the accompanying drawings.
Wireless communication system as shown in Figure 1 comprises: a wireless microphone 101 has adjustable operating condition to send wireless signal; One radio receiving unit 200 is used for receiving wireless signal from wireless microphone 101; With an acoustic operation unit 300, be used to export the control signal of representing wireless microphone 101 operating conditions respectively.
As shown in Figure 1 have the identical structure of part according to wireless microphone 101 of the present invention with the wireless microphone of routine shown in Figure 12, and thereby comprise: sound receiver 10 is used for from the acoustic operation unit 300 and receives control signals and receive the voice signal that is illustrated in the wireless microphone 101 contiguous sound waves that produce; One sound signal amplifier 20 is used to amplify control signal and the voice signal that is received by acoustic signal reception apparatus 10, to produce a voice signal that amplifies; Checkout gear 60 is used for detecting control signal from the voice emplifying signal that is amplified by sound signal amplifier 20; Storage device 90 is used to store the operating condition of relevant control signal; Adjusting device 70 is used for reference to the operating condition by storage device 90 storages, in response to the control signal that is detected by checkout gear 60, adjusts operating condition; Modulating device 30, be used to modulate the wireless signal that has voice signal, to produce the wireless signal of a modulation, be exercisable at a plurality of operating condition modulated devices 30, and have a plurality of signaling channels that wireless signal relevant with operating condition, that allow modulation passes through; One wireless signal amplifier 40 is used to amplify the wireless signal of modulation, to produce a wireless signal that amplifies; Emitter 50 is used to send the wireless signal of amplification; Frequency control apparatus 80, the operating condition that is used to allow modulating device 30 to be adjusted in response to adjusting device 70 produces the wireless signal of modulation; With measurement mechanism 100, be used to measure elapsed time (elapse time) and judge whether elapsed time surpasses the predetermined stand-by period.
When measurement mechanism 100 is exercisable when judging that the elapsed time not have to surpass the stand-by period of being scheduled to, the operating condition of being stored according to storage device 90, in response to the control signal that checkout gear 60 is detected, adjusting device 70 is exercisable to adjust operating condition.On the other hand, when measurement mechanism 100 is exercisable when judging that the elapsed time surpasses the predetermined stand-by period, the operating condition of being stored according to storage device 90, in response to the control signal that checkout gear 60 is detected, adjusting device 70 be can not operate to adjust operating condition.
In response to external sound in wireless microphone 101 contiguous generations, wireless communication system can prevent that the operating condition of wireless microphone 101 is adjusted device 70 and adjusts, measurement mechanism 100 is exercisable simultaneously, surpasses the predetermined stand-by period to judge elapsed time.
Here, formation is made of voltage-controlled oscillator circuit, dual-tone multifrequency sound detection circuit (abbreviating " DTMF sound detection circuit " as), CPU, phase-locked loop circuit and nonvolatile memory respectively according to modulating device 30, checkout gear 60, adjusting device 70, control device 80 and the memory 90 of the part of the wireless communication system of first embodiment of the invention.
In above description, by acoustic operation unit 300 output control signals, yet acoustic operation unit 300 is exercisable, represents dual-tone multifrequency (abbreviating " DTMF " as) sound of each operating condition of wireless microphone 101 respectively with output.
Below, will be in conjunction with 9 processing of directly describing according to first embodiment of wireless communication system of the present invention with reference to the accompanying drawings.
At first by the acoustic operation unit 300 generations DTMF sound relevant with the operating condition of emitter 50 with output.Then at step S901, DTMF sound is received by acoustic signal reception apparatus 10 together with near the sound that produces wireless microphone 101.Then at step S902, the sound and the DTMF sound that are received by acoustic signal reception apparatus 10 are amplified by sound signal amplifier 20.At step S903, checkout gear 60 detects DTMF sound from the sound that amplified by sound signal amplifier 20 and DTMF sound.Then at step S904, according to the operating condition that storage device 90 is stored, in response to the DTMF sound that is detected by checkout gear 60, adjusting device 70 is adjusted the operating condition of emitter 50.Then,, produce wireless signal by modulating device 30 in response to the operating condition of the emitter of adjusting by adjusting device 50 at step S905.
If wireless communication system is by foundation adjacent one another are, as shown in figure 10, the wireless signal of launching by the wireless microphone of one of wireless communication system can be received by radio receiving unit, and does not disturb the wireless signal that is sent by other the wireless microphone of wireless communication system.
According to top detailed description, to know, be selectively operated with before changing signaling channel at switch element, can adjust the operating condition of modulating device 30 and need not open and close coating member according to the wireless communication system of the first embodiment of the present invention, this be because, acoustic signal reception apparatus 10 is exercisable, with near the sound that receives DTMF sound and wireless microphone 101, produce, checkout gear 60 is exercisable, from the sound that receives by acoustic signal reception apparatus 10 and DTMF sound, to detect control signal, with adjusting device 70 be exercisable, with the control signal that is detected in response to checkout gear 60, adjust the operating condition of emitter 50.This just causes such fact: the wireless communication system according to first embodiment of the invention can be realized good reproducibility, and does not cause in the local communication zone of wireless communication system foundation adjacent one another are therein interfering with each other.
Although described relevant such fact in the foregoing embodiments, acoustic operation unit 300 is operationally, with output and the relevant dtmf signal of wireless microphone 101 operating conditions, but acoustic operation unit 300 can be replaced with cellular mobile telephone, is used to export the DTMF sound relevant with the operating condition of wireless microphone 101.For example when the key " 1 " of cellular mobile telephone when the person of being operated presses, the DTMF sound relevant with button " 1 " is output by cellular mobile telephone.Then, acoustic signal reception apparatus 10 receives the DTMF sound of being exported by cellular mobile telephone.Then, adjust the operating condition of radio telephone 101 by adjusting device 70 in response to the DTMF sound that receives from cellular mobile telephone.
Among superincumbent first embodiment, by acoustic operation unit 300 output DTMF sound, yet, can export the musical sound of representing wireless microphone 101 operating conditions respectively by acoustic operation unit 300.
Although first embodiment according to wireless communication system of the present invention described above can substitute this embodiment by the wireless communication system according to second to the 8th embodiment of the present invention, so that obtain purpose of the present invention.After this second to the 8th embodiment of wireless communication system will then be described.
Follow 2-8 with reference to the accompanying drawings, shown block diagram according to second to the 8th preferred embodiment of wireless communication system of the present invention.Shown in Fig. 2-8, except appearing at the composed component and step in following, according to the composed component of second to the 8th embodiment of wireless communication system of the present invention and step and as shown in Figure 1 identical according to those of the wireless communication system of first embodiment of the invention.Therefore, the embodiment that after this will only describe second to the 8th wireless communication system in detail and the first embodiment wireless communication system different those composed components and step.With identical composed component of first embodiment and the step of not describing among second to the 8th embodiment of wireless communication system with wireless communication system, but use those identical reference numbers and icon with first embodiment of the wireless communication system of Fig. 1, to avoid tediously long repetition.
Following description will be directly at those composed components and step different with first embodiment of wireless communication system among second embodiment of wireless communication system.
Formation is shown among Fig. 2 according to the wireless microphone 102 of the part of the wireless communication system of the second embodiment of the present invention, comprise: acoustic signal reception apparatus 10, modulating device 30, wireless signal amplifier 40, emitter 50, checkout gear 60, adjusting device 70, frequency control apparatus 80, storage device 90, with measurement mechanism 100, all these are identical with the structure of wireless microphone shown in Figure 1, therefore after this no longer describe their structure.
Do not have the flow chart of processing procedure of second embodiment of display radio communication system in the accompanying drawings, but after this will describe simply among second embodiment with according to the wireless communication system of first embodiment different processing procedure.
At step S904, the operating condition of being stored in conjunction with reference storage device 90, in response to the control signal that detects by checkout gear 60, by the operating condition of adjusting device 70 adjustment sound signal amplifier 20, simultaneously by acoustic operation unit 300 output and the relevant control signals of sound signal amplifier 20 operating conditions.Then, at step S905, in response to the operating condition of the sound signal amplifier of adjusting by adjusting device 80 20, by sound signal amplifier 20 voice emplifying signals.
According to top detailed description, to know, before switch element is selectively operated with the gain that changes sound signal amplifier 20, second embodiment according to wireless communication system of the present invention can adjust the operating condition of sound signal amplifier 20 and need not open and close coating member, this be because, acoustic signal reception apparatus 10 is exercisable, with near the sound that receives DTMF sound and wireless microphone 102, produce, checkout gear 60 is exercisable, from the sound that receives by acoustic signal reception apparatus 10 and DTMF sound, to detect control signal, with adjusting device 70 be exercisable, with the control signal that is detected in response to checkout gear 60, adjust the operating condition of sound signal amplifier 20.This just causes such fact: second embodiment according to wireless communication system of the present invention can realize good reproducibility, and not therein wireless communication system caused interfering with each other in the local communication zone of foundation adjacent one another are.
Following description is with those composed component and steps different with the wireless communication system of first and second embodiment among direct the 3rd embodiment at wireless communication system.
The wireless microphone 103 that forms the part of wireless communication system according to the third embodiment of the present invention is shown among Fig. 3, comprise: acoustic signal reception apparatus 10, sound signal amplifier 20, modulating device 30, emitter 50, checkout gear 60, adjusting device 70, frequency control apparatus 80, storage device 90, with measurement mechanism 100, all these are identical with the structure of wireless microphone 101 shown in Figure 1, therefore after this no longer describe their structure.
Do not have the flow chart of processing procedure of second embodiment of display radio communication system in the accompanying drawings, but after this will describe simply among the 3rd embodiment with according to the wireless communication system of first embodiment different processing procedure.
At step S904, the operating condition of being stored in conjunction with reference storage device 90, the control signal that is detected in response to checkout gear 60, by the operating condition of adjusting device 70 adjustment wireless signal amplifiers 40, simultaneously by the acoustic operation unit 300 outputs control signal relevant with the operating condition of wireless signal amplifier 40.Then, at step S905,, amplify wireless signal by wireless signal amplifier 40 in response to the operating condition of the wireless signal amplifier of being adjusted by adjusting device 80 40.
According to top detailed description, to know, before switch element is selectively operated with the operating condition that changes wireless signal amplifier 40, the 3rd embodiment according to wireless microphone 103 of the present invention can adjust the operating condition of wireless signal amplifier 40 and need not open and close coating member, this be because, acoustic signal reception apparatus 10 is exercisable, with near the sound that receives DTMF sound and wireless microphone 103, produce, checkout gear 60 is exercisable, from the sound that received by acoustic signal reception apparatus 10 and DTMF sound, to detect control signal, with adjusting device 70 be exercisable, with the control signal that is detected in response to checkout gear 60, adjust the operating condition of wireless signal amplifier 40.This just causes such fact: can obtain good reproducibility at local communication zone according to the 3rd embodiment of wireless microphone 103 of the present invention, wherein radio receiving unit can receive and can not disturbed the wireless signal of being launched by the wireless microphone of the part of the wireless communication system that forms other by the wireless signal of wireless communication system emission.
Following description is with those composed component and steps different with the wireless communication system of first to the 3rd embodiment among direct the 4th embodiment at wireless communication system.
Formation is shown among Fig. 4 according to the wireless microphone 103 of the part of the wireless communication system of the fourth embodiment of the present invention, comprising: acoustic signal reception apparatus 10, sound signal amplifier 20, modulating device 30, wireless signal amplifier 40, emitter 50, checkout gear 60, adjusting device 70, frequency control apparatus 80, storage device 90 and measurement mechanism 100, all these are identical with the structure of first embodiment of wireless microphone 101 shown in Figure 1, therefore after this no longer describe their structure.
Do not have the flow chart of processing procedure of the 4th embodiment of display radio communication system in the accompanying drawings, but after this will describe simply among the 4th embodiment with according to the wireless communication system of first embodiment different processing procedure.
At step S904, the operating condition of being stored in conjunction with reference storage device 90, control signal in response to checkout gear 60 detections, by the operating condition of adjusting device 70 adjustment voice signal static limiters 110, simultaneously by acoustic operation unit 300 output and the relevant control signals of voice signal static limiter 110 operating conditions.Then, at step S905, in response to the operating condition of adjusting by adjusting device 80, by voice signal static limiter 110 noise elimination voice signals.
According to top detailed description, to know, before switch element is selectively operated with the operating condition that changes voice signal static limiter 110, can adjust the operating condition of voice signal static limiter 110 according to the wireless microphone 104 of the fourth embodiment of the present invention, and need not open and close coating member, this be because, acoustic signal reception apparatus 10 is exercisable, with near the sound that receives DTMF sound and wireless microphone 104, produce, checkout gear 60 is exercisable, from the sound that receives by acoustic signal reception apparatus 10 and DTMF sound, to detect control signal, with adjusting device 70 be exercisable, with the control signal that is detected in response to checkout gear 60, adjust the operating condition of voice signal static limiter 110.This just causes such fact: the wireless microphone 104 according to fourth embodiment of the invention can obtain good reproducibility, and not therein wireless communication system caused interfering with each other in the local communication zone of foundation adjacent one another are.
Following description is with those composed component and steps different with the wireless communication system of first to fourth embodiment among direct the 5th embodiment at wireless communication system.
Formation is shown among Fig. 5 according to the wireless microphone 105 of the part of the wireless communication system of fifth embodiment of the invention, comprise: acoustic signal reception apparatus 10, sound signal amplifier 20, modulating device 30, emitter 50, checkout gear 60, frequency control apparatus 80, storage device 90 and measurement mechanism 100, all these are identical with the structure of first embodiment of wireless microphone 101 shown in Figure 1, therefore after this no longer describe their structure.
Do not have the flow chart of processing procedure of the 5th embodiment of display radio communication system in the accompanying drawings, but after this will describe simply among the 5th embodiment with according to the wireless communication system of first embodiment different processing procedure.
At step S904, the operating condition of being stored in conjunction with reference storage device 90, the control signal that is detected in response to checkout gear 60, by the operating condition of adjusting device 70 adjustment wireless signal amplifiers 40, simultaneously by acoustic operation unit 300 output and the relevant control signals of wireless signal amplifier 40 operating conditions.Then, at step S905,, amplify wireless signal by wireless signal amplifier 40 in response to the operating condition of the wireless signal amplifier of adjusting by adjusting device 80 40.
According to top detailed description, to know, before switch element is selectively operated with the gain that changes wireless signal amplifier 40, can adjust the operating condition of wireless signal amplifier 40 and need not open and close coating member according to the wireless microphone 105 of the fifth embodiment of the present invention, this be because, acoustic signal reception apparatus 10 is exercisable, with near the sound that receives DTMF sound and wireless microphone 105, produce, checkout gear 60 is exercisable, from the sound that receives by acoustic signal reception apparatus 10 and DTMF sound, to detect control signal, with adjusting device 70 be exercisable, with the control signal that is detected in response to checkout gear 60, adjust the operating condition of sound signal amplifier 50.This just causes such fact: the wireless microphone 105 according to fifth embodiment of the invention can obtain good reproducibility, and not therein wireless communication system caused interfering with each other in the local communication zone of foundation adjacent one another are.
Following description is with those composed component and steps different with the wireless communication system of first to the 5th embodiment among direct the 6th embodiment at wireless communication system.
Formation is shown among Fig. 6 according to the wireless microphone 106 of the part of the wireless communication system of sixth embodiment of the invention, comprising: acoustic signal reception apparatus 10, sound signal amplifier 20, modulating device 30, wireless signal amplifier 40, emitter 50, checkout gear 60, adjusting device 70, frequency control apparatus 80, storage device 90 and measurement mechanism 100, all these are identical with the structure of first embodiment of wireless microphone 101 shown in Figure 1, therefore after this no longer describe their structure.The wireless microphone 106 of the 6th embodiment shown in Figure 6 also comprises supply unit 120, and being used for provides electric power in response to the operating condition that adjusting device 70 is adjusted.
Wireless microphone also comprises: supply unit 120, be used to provide electric power, supply unit 120 is exercisable under a plurality of operating conditions, and have two kinds of different states that comprise first and second states relevant with operating condition, in first state, supply unit 120 is exercisable to provide electric power and in second state, and supply unit 120 is exercisable to save electric power; Checkout gear 60 is exercisable, is exercisable with control signal and the adjusting device 70 that detects the operating condition of representing supply unit 120 respectively, with in response to the control signal that is detected by checkout gear 60, adjusts the operating condition of supply unit 120.
Do not have the flow chart of processing procedure of the 6th embodiment of display radio communication system in the accompanying drawings, but after this will describe simply among the 6th embodiment with according to the wireless communication system of first embodiment different processing procedure.
At step S904, the operating condition of being stored in conjunction with reference storage device 90, in response to the control signal that is detected by checkout gear 60, by the operating condition of adjusting device 70 adjustment supply units 120, simultaneously by acoustic operation unit 300 output and the relevant control signals of supply unit 120 operating conditions.Then, at step S905, in response to the operating condition of adjusting supply unit 120 by adjusting device 70, by sound signal amplifier 20 voice emplifying signals.
According to top detailed description, to know, before switch element is selectively operated with the operating condition that changes supply unit 120, can adjust the operating condition of supply unit 120 and need not open and close coating member according to the wireless microphone 106 of the sixth embodiment of the present invention, this be because, acoustic signal reception apparatus 10 is exercisable, with near the sound that receives DTMF sound and wireless microphone 105, produce, checkout gear 60 is exercisable, from the sound that receives by acoustic signal reception apparatus 10 and DTMF sound, to detect control signal, with adjusting device 70 be exercisable, with in response to the control signal that is detected by checkout gear 60, adjust the operating condition of supply unit 120.This just causes such fact: the wireless microphone 106 according to sixth embodiment of the invention can obtain good reproducibility, and not therein wireless communication system caused interfering with each other in the local communication zone of foundation adjacent one another are.
Following description is with those composed component and steps different with the wireless communication system of first to the 6th embodiment among direct the 7th embodiment at wireless communication system.
The wireless microphone 107 of the part of the wireless communication system that forms according to seventh embodiment of the invention is shown among Fig. 7, comprise: acoustic signal reception apparatus 10, modulating device 30, wireless signal amplifier 40, emitter 50, checkout gear 60, adjusting device 70, frequency control apparatus 80, storage device 90, with measurement mechanism 100, all these are identical with the structure of first embodiment of wireless microphone 101 shown in Figure 1, therefore after this no longer describe their structure.
Wireless microphone 107 also comprises: sound signal amplifier 20, be used to amplify the voice signal that is received by acoustic signal reception apparatus 10, to produce the voice signal that amplifies, sound signal amplifier 20 is exercisable under a plurality of operating conditions, and have a plurality of acoustic characteristics relevant with operating condition, to influence voice signal based on acoustic characteristic; And wherein checkout gear 60 is exercisable, to detect the control signal of the operating condition of representing sound signal amplifier 20 respectively, with adjusting device 70 be exercisable, with in response to the control signal that is detected by checkout gear 60, adjust the operating condition of sound signal amplifier 20.The acoustic characteristic of sound signal amplifier 20 comprises: for example, and one of characteristics of speech sounds, sound property, high-pass filtering characteristic and low-frequency filter characteristics at least.
Do not have the flow chart of processing procedure of the 7th embodiment of display radio communication system in the accompanying drawings, but after this will describe simply among the 7th embodiment with according to the wireless communication system of first embodiment different processing procedure.
At step S904, the operating condition of being stored in conjunction with reference storage device 90, in response to the control signal that is detected by checkout gear 60, by the operating condition of adjusting device 70 adjustment sound signal amplifier 20, simultaneously by acoustic operation unit 300 output and the relevant control signals of sound signal amplifier 20 operating conditions.Then, at step S905, in response to the operating condition of adjusting sound signal amplifier 20 by adjusting device 80, by sound signal amplifier 20 voice emplifying signals.
According to top detailed description, to know, before switch element is selectively operated with the acoustic characteristic that changes sound signal amplifier 20, the 7th embodiment according to wireless communication system of the present invention can adjust the operating condition of sound signal amplifier 20 and need not open and close coating member, this be because, acoustic signal reception apparatus 10 is exercisable, with near the sound that receives DTMF sound and wireless microphone 101, produce, checkout gear 60 is exercisable, from the sound that receives by acoustic signal reception apparatus 10 and DTMF sound, to detect control signal, with adjusting device 70 be exercisable, with the control signal that is detected in response to checkout gear 60, adjust the operating condition of sound signal amplifier 20.This just causes such fact: the wireless microphone 107 according to seventh embodiment of the invention can obtain good reproducibility, and not therein wireless communication system caused interfering with each other in the local communication zone of foundation adjacent one another are.
Following description will be directly at those composed component and steps different with the wireless communication system of first to the 7th embodiment in the wireless communication system of the 8th embodiment.
Formation is shown among Fig. 8 according to the wireless microphone 108 of the part of the wireless communication system of eighth embodiment of the invention, comprising: acoustic signal reception apparatus 10, sound signal amplifier 20, modulating device 30, wireless signal amplifier 40, emitter 50, checkout gear 60, adjusting device 70, frequency control apparatus 80, storage device 90 and measurement mechanism 100, all these are identical with the structure of first embodiment of wireless microphone 101 shown in Figure 1, therefore after this no longer describe their structure.
Do not have the flow chart of processing procedure of the 8th embodiment of display radio communication system in the accompanying drawings, but after this will describe simply among the 8th embodiment with according to the wireless communication system of first embodiment different processing procedure.
At step S904, the operating condition of being stored in conjunction with reference storage device 90, in response to the control signal that is detected by checkout gear 60, by the operating condition of adjusting device 70 adjustment measurement mechanisms 100, simultaneously by acoustic operation unit 300 output and the relevant control signals of measurement mechanism 100 operating conditions.Then, at step S905,, amplify alarm signal by sound signal amplifier 20 in response to the operating condition of the measurement mechanism of being adjusted by adjusting device 70 100.
According to top detailed description, to know, before switch element is selectively operated with the operating condition that changes measurement mechanism 100, the 8th embodiment according to wireless communication system of the present invention can adjust the operating condition of wireless microphone 108 and need not open and close coating member, this be because, acoustic signal reception apparatus 10 is exercisable, with near the sound that receives DTMF sound and wireless microphone 101, produce, checkout gear 60 is exercisable, from the sound that receives by acoustic signal reception apparatus 10 and DTMF sound, to detect control signal, with adjusting device 70 be exercisable, with in response to the control signal that is detected by checkout gear 60, adjust the operating condition of measurement mechanism 100.This just causes such fact, can obtain good reproducibility according to the wireless microphone 108 of eighth embodiment of the invention, and not therein wireless communication system caused interfering with each other in the local communication zone of foundation adjacent one another are.
Although described the following fact in the foregoing embodiments: form wireless microphone 101,102,103,104,105,106, the checkout gear 60 of a part of 107 and 108 is exercisable, from voice signal and control signal, optionally to detect control signal, acoustic operation unit 300 can further have at least one operator's identifying information (simply being called " operator ID ") and group identifying information (simply being called " group ID "), represent operator ID and voice signal and the control signal of organizing one of ID at least with output, simultaneously checkout gear 60 is exercisable, with from by detecting operation person ID and group ID the voice signal of acoustic operation unit 300 outputs and the control signal.Concrete, a plurality of operator ID of storage device 90 exercisable storages and group ID, checkout gear 60 is exercisable from by detecting operation person ID and group ID the voice signal of acoustic operation unit 300 outputs and the control signal, adjusting device 70 is exercisable, with in response to control signal by checkout gear was detected, before adjusting operating condition, judge that the operator ID that detected by checkout gear 60 and group ID are whether with consistent by any one of the operator ID of storage device 90 storages and group ID.Therefore, when adjusting device 70 is exercisable, with judge the operator ID that detects by checkout gear 60 and group ID with by the operator ID of storage device 90 storages with organize any one of ID when consistent, adjusting device 70 is exercisable, with the control signal that is detected in response to checkout gear 60, adjust operating condition.On the other hand, when adjusting device 70 is exercisable, with judge the operator ID that detects by checkout gear 60 and group ID with by any one of the operator ID of storage device 90 storages and group ID when inconsistent, adjusting device 70 is exercisable with in response to the control signal that is detected by checkout gear 60, does not adjust operating condition.
In the above embodiments, voice signal, control signal and DTMF sound by 300 outputs of acoustic operation unit are respectively the sound that can listen, yet, will can be equal to or less than about 20Hz by the voice signal of acoustic operation unit 300 outputs and the frequency of control signal, perhaps infrasound (infrasound).On the other hand, can be by the frequency of the voice signal of acoustic operation unit 300 output and control signal greater than about 20kHz, perhaps ultrasonic wave sound.
Can see that from aforementioned wireless communication system, wireless microphone and wireless microphone control method can make adjustment channel, gain and other operating condition become easy.Therefore, this just causes such fact: wireless communication system, wireless microphone and wireless microphone control method, can obtain good reproducibility, and not therein wireless communication system caused interfering with each other in the local communication zone of foundation adjacent one another are.
Obviously, as those skilled in the art,, in the embodiment of example and description, can make variation and change without departing from the invention.Therefore, aforesaid description is exemplary, and also unrestricted, and will determine actual essence of the present invention and scope by appended claim.
Claims (21)
1. wireless microphone, can with the acoustic operation unit binding operation of a plurality of control signals of output, comprising:
Acoustic signal reception apparatus is used to receive voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit;
Modulating device is used to modulate the wireless signal that has described voice signal, and to produce the wireless signal of a modulation, described modulating device is exercisable under a plurality of modulation operations conditions, and has a plurality of signaling channels relevant with described modulation operations condition;
Checkout gear is used to detect described control signal, and described control signal is represented the described modulation operations condition of described modulating device respectively; With
Adjusting device is used for adjusting the described modulation operations condition of described modulating device in response to by the described control signal that described checkout gear detected.
2. the wireless microphone described in claim 1, also comprise: a sound signal amplifier, be used to amplify the described voice signal that receives by described acoustic signal reception apparatus, to produce a voice signal that amplifies, described sound signal amplifier is exercisable under a plurality of voice signal amplifieroperation conditions, and have and the relevant a plurality of gain amplifiers of described voice signal amplifieroperation condition, with the described voice signal of influence by described acoustic signal reception apparatus reception; With
Wherein said checkout gear is exercisable, with each described control signal of detecting the described voice signal amplifieroperation condition represent described sound signal amplifier respectively and
Described adjusting device is exercisable, with in response to by the described control signal that described checkout gear was detected, adjusts the described voice signal amplifieroperation condition of described sound signal amplifier.
3. the wireless microphone described in claim 1, also comprise: the voice signal static limiter, be used for the described voice signal of noise elimination, described voice signal static limiter is exercisable under a plurality of voice signal noise elimination operating conditions, and have two different states that comprise first and second states relevant with described voice signal noise elimination operating condition, in described first state, described voice signal static limiter can be operated and be used for the described voice signal that noise elimination is not received by described acoustic signal reception apparatus, with in described second state, described voice signal static limiter can be operated and be used for the described voice signal that noise elimination is received by described acoustic signal reception apparatus; Wherein
Described checkout gear is exercisable, to detect each described control signal of the described voice signal noise elimination operating condition of representing described voice signal static limiter respectively; With
Described adjusting device is exercisable, with in response to by the described control signal that described checkout gear was detected, adjusts the described voice signal noise elimination operating condition of described voice signal static limiter.
4. the wireless microphone described in claim 1, also comprise: a wireless signal amplifier, be used to amplify the wireless signal of described modulation, to produce a wireless signal that amplifies, described wireless signal amplifier is exercisable under a plurality of wireless signal amplifieroperation conditions, and have and the relevant a plurality of gains of described wireless signal amplifieroperation condition, to influence the wireless signal of described modulation; Wherein
Described checkout gear is exercisable, with each described control signal of the described wireless signal amplifieroperation condition that detects the described wireless signal amplifier of expression and
Described adjusting device is exercisable, with in response to by the described control signal that described checkout gear was detected, adjusts the described wireless signal amplifieroperation condition of described wireless signal amplifier.
5. wireless microphone as claimed in claim 4, also comprise: emitter, be used to send the wireless signal of described amplification, described emitter is exercisable under a plurality of firing operation conditions, and have two different states that comprise first and second states relevant with described firing operation condition, in described first state, described emitter can be operated the wireless signal that is used to send described amplification, with in described second state, described emitter can be operated the wireless signal that is used for not sending described amplification; Wherein
Described checkout gear is exercisable, with each described control signal of detecting the described firing operation condition represent described emitter respectively and
Described adjusting device is exercisable, with in response to by the described control signal that described checkout gear was detected, adjusts the described firing operation condition of described emitter.
6. the wireless microphone described in claim 1, also comprise: the supply unit that is used to power, described supply unit is exercisable under a plurality of powered operation conditions, and have two different states that comprise first and second states relevant with described powered operation condition, in described first state, described supply unit can be operated and be used to provide electric power and in described second state, described supply unit can be operated and be used to save described electric power; Wherein
Described checkout gear is exercisable, with each described control signal of detecting the described powered operation condition represent described supply unit respectively and
Described adjusting device is exercisable, with in response to by the described control signal that described checkout gear was detected, adjusts the described powered operation condition of described supply unit.
7. the wireless microphone described in claim 1, also comprise: sound signal amplifier, be used to amplify the described voice signal that receives by described acoustic signal reception apparatus, to produce a voice signal that amplifies, described sound signal amplifier is exercisable under a plurality of voice signal amplifieroperation conditions, and have and the relevant a plurality of acoustic characteristics of described voice signal amplifieroperation condition, to influence described voice signal based on described acoustic characteristic; Wherein
Described checkout gear is exercisable, with each described control signal of detecting the described voice signal amplifieroperation condition represent described sound signal amplifier respectively and
Described adjusting device is exercisable, with in response to by the described control signal that described checkout gear was detected, adjusts the described voice signal amplifieroperation condition of described sound signal amplifier.
8. the wireless microphone described in claim 1, also comprise: measurement mechanism, be used to measure once the time of mistake, be used to judge whether the described elapsed time surpasses a predetermined stand-by period, be used to produce an alarm signal, with described measurement mechanism be exercisable, judge that with box lunch the described elapsed time surpasses described scheduled wait and produces described alarm signal during the time; Sound signal amplifier, be used to amplify the alarm signal that produces by described measurement mechanism to produce an alarm signal of amplifying, described sound signal amplifier is exercisable under a plurality of voice signal amplifieroperation conditions, and have two different states that comprise first and second states relevant with described voice signal amplifieroperation condition, in described first state, described sound signal amplifier can be operated and is used to amplify described alarm signal to produce the alarm signal of described amplification, with in described second state, described sound signal amplifier can be operated and is used for not amplifying described alarm signal; Wherein
Described checkout gear is exercisable, with each described control signal of detecting the described voice signal amplifieroperation condition represent described sound signal amplifier respectively and
Described adjusting device is exercisable, with in response to by the described control signal that described checkout gear was detected, adjusts the described voice signal amplifieroperation condition of described sound signal amplifier.
9. the wireless microphone described in claim 1 also comprises: a storage device is used to store a plurality of operator's identifying informations and wherein
Described checkout gear is exercisable, to detect the described control signal of the described operator's identifying information of expression; With
Described adjusting device is exercisable, to judge by described operator's identifying information that described checkout gear was detected whether with after one of described operator's identifying information of being stored by described storage device is consistent, in response to by the described control signal that described checkout gear detected, adjust described modulation operations condition.
10. the wireless microphone described in claim 1 also comprises: a storage device is used to store a plurality of groups of identifying informations and wherein
Described checkout gear is exercisable, to detect the described control signal of described group of identifying information of expression; With
Described adjusting device is exercisable, to judge by described group of identifying information that described checkout gear was detected whether with after one of described group of identifying information being stored by described storage device is consistent, in response to by the described control signal that described checkout gear detected, adjust described modulation operations condition.
11. one kind be used for can with the wireless microphone method of adjustment of wireless microphone of the acoustic operation unit binding operation of a plurality of control signals of output, described wireless microphone comprises: acoustic signal reception apparatus is used to receive voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit; Modulating device is used to modulate the wireless signal that has described voice signal, and to produce the wireless signal of a modulation, described modulating device is exercisable under a plurality of modulation operations conditions, and has a plurality of signaling channels relevant with described modulation operations condition; Checkout gear is used for optionally detecting described control signal from described control signal and described voice signal, and described control signal is represented the described modulation operations condition of described modulating device respectively; And adjusting device, be used for adjusting the described modulation operations condition of described modulating device in response to described control signal by described checkout gear detection,
Described wireless microphone method of adjustment comprises:
Prepare the preparation process of wireless microphone;
One voice signal receiving step receives voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit;
One detects step, optionally detects described control signal from described control signal and described voice signal; With
Set-up procedure is adjusted described modulation operations condition in response to the described control signal that detects in described detection step.
12. a wireless communication system comprises:
One acoustic operation unit is used to export a plurality of control signals; With
One wireless microphone comprises: acoustic signal reception apparatus is used to receive voice signal that is illustrated near the sound wave that produces the described wireless microphone and the described control signal of being exported by described acoustic operation unit; Modulating device is used to modulate the wireless signal that has described voice signal, and to produce the wireless signal of a modulation, described modulating device is exercisable under a plurality of modulation operations conditions, and has a plurality of signaling channels relevant with described modulation operations condition; Checkout gear is used for optionally detecting described control signal from described control signal and described voice signal, and each described control signal is represented the described modulation operations condition of described modulating device respectively; And adjusting device, be used for adjusting the described modulation operations condition of described modulating device in response to by the described control signal that described checkout gear detected.
13. the wireless communication system described in claim 12, wherein said wireless microphone comprises: a sound signal amplifier, be used to amplify the described voice signal that receives by described acoustic signal reception apparatus, to produce a voice signal that amplifies, described sound signal amplifier is exercisable under a plurality of voice signal amplifieroperation conditions, and have and the relevant a plurality of gain amplifiers of described voice signal amplifieroperation condition, with the described voice signal of influence by described acoustic signal reception apparatus reception; With wherein said checkout gear be exercisable, to detect each described control signal of the described voice signal amplifieroperation condition of representing described sound signal amplifier respectively, with described adjusting device be exercisable, with in response to by the described control signal that described checkout gear was detected, adjust the described voice signal amplifieroperation condition of described sound signal amplifier.
14. the wireless communication system described in claim 12, wherein said wireless microphone also comprises: the voice signal static limiter, be used for the described voice signal of noise elimination, described voice signal static limiter is exercisable under a plurality of voice signal noise elimination operating conditions, and have two different states that comprise first and second states relevant with described voice signal noise elimination operating condition, in described first state, described voice signal static limiter can be operated and be used for noise elimination not by described voice signal that described acoustic signal reception apparatus received, with in described second state, described voice signal static limiter can be operated and be used for noise elimination by described voice signal that described acoustic signal reception apparatus received; Described checkout gear is exercisable, to detect each described control signal of the described voice signal noise elimination operating condition of representing described voice signal static limiter respectively; With described adjusting device be exercisable, with in response to by the described control signal that described checkout gear was detected, adjust the described voice signal noise elimination operating condition of described voice signal static limiter.
15. the wireless communication system described in claim 12, wherein not having described line microphone comprises: the wireless signal amplifier, be used to amplify the wireless signal of described modulation, to produce a wireless signal that amplifies, described wireless signal amplifier is exercisable under a plurality of wireless signal amplifieroperation conditions, and have and the relevant a plurality of gains of described wireless signal amplifieroperation condition, to influence the wireless signal of described modulation; And wherein said checkout gear is exercisable, with detect represent respectively described wireless signal amplifier each described control signal of described wireless signal amplifieroperation condition, with described adjusting device be exercisable, with in response to by the described control signal that described checkout gear was detected, adjust the described wireless signal amplifieroperation condition of described wireless signal amplifier.
16. the wireless communication system described in claim 15, wherein said wireless microphone comprises: emitter, be used to send the wireless signal of described amplification, described emitter is exercisable under a plurality of firing operation conditions, and have two different states that comprise first and second states relevant with described firing operation condition, in described first state, described emitter can be operated the wireless signal that is used to send described amplification, with in described second state, described emitter can be operated the wireless signal that is used for not sending described amplification; And wherein said checkout gear is exercisable, to detect each described control signal of the described firing operation condition of representing described emitter respectively, with described adjusting device be exercisable, with in response to the described control signal that detects by described checkout gear, adjust the described firing operation condition of described emitter.
17. the wireless communication system described in claim 12, wherein said wireless microphone comprises: supply unit, be used for power supply, described supply unit is exercisable under a plurality of powered operation conditions, and have two different states that comprise first and second states relevant with described powered operation condition, in described first state, described supply unit can be operated and be used to provide electric power, with in described second state, described supply unit can be operated and be used to save described electric power; With wherein said checkout gear be exercisable, to detect each described control signal of the described powered operation condition of representing described supply unit respectively, with described adjusting device be exercisable, with in response to by the described control signal that described checkout gear was detected, adjust the described powered operation condition of described supply unit.
18. the wireless communication system described in claim 12, wherein said wireless microphone comprises: sound signal amplifier, be used to amplify the described voice signal that receives by described acoustic signal reception apparatus, to produce a voice signal that amplifies, described sound signal amplifier is exercisable under a plurality of voice signal amplifieroperation conditions, and have and the relevant a plurality of acoustic characteristics of described voice signal amplifieroperation condition, to influence described voice signal based on described acoustic characteristic; With wherein said checkout gear be exercisable, to detect each described control signal of the described voice signal amplifieroperation condition of representing described sound signal amplifier respectively, with described adjusting device be exercisable, with in response to by the described control signal that described checkout gear was detected, adjust the described voice signal amplifieroperation condition of described sound signal amplifier.
19. the wireless communication system described in claim 12, wherein said wireless microphone comprises: measurement mechanism, be used to measure once the time of mistake, be used to judge whether the described elapsed time surpasses a predetermined stand-by period, be used to produce an alarm signal, with described measurement mechanism be exercisable, judge that with box lunch the described elapsed time surpasses described scheduled wait and produces described alarm signal during the time; Sound signal amplifier, be used to amplify the described alarm signal that produces by described measurement mechanism, to produce an alarm signal of amplifying, described sound signal amplifier is exercisable under a plurality of voice signal amplifieroperation conditions, and have two different states that comprise first and second states relevant with described voice signal amplifieroperation condition, in described first state, described sound signal amplifier can be operated and is used to amplify described alarm signal to produce the alarm signal of described amplification, with in described second state, described sound signal amplifier can be operated and is used for not amplifying described alarm signal; With wherein said checkout gear be exercisable, to detect each described control signal of the described voice signal amplifieroperation condition of representing described sound signal amplifier respectively, with described adjusting device be exercisable, with in response to by the described control signal that described checkout gear was detected, adjust the described voice signal amplifieroperation condition of described sound signal amplifier.
20. the wireless communication system described in claim 12, wherein said acoustic operation unit is exercisable, represents the touch-tone signal of described control signal respectively with output.
21. the wireless communication system described in claim 12, wherein said acoustic operation unit is exercisable, represents the musical sound of described control signal respectively with output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021542368A CN100481754C (en) | 2002-11-30 | 2002-11-30 | Wireless communication system, wireless microphone and controlling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021542368A CN100481754C (en) | 2002-11-30 | 2002-11-30 | Wireless communication system, wireless microphone and controlling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1505288A CN1505288A (en) | 2004-06-16 |
| CN100481754C true CN100481754C (en) | 2009-04-22 |
Family
ID=34235464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021542368A Expired - Fee Related CN100481754C (en) | 2002-11-30 | 2002-11-30 | Wireless communication system, wireless microphone and controlling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100481754C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170607A (en) * | 2010-02-26 | 2011-08-31 | 嘉强电子股份有限公司 | Wireless voice amplification system and volume control method of wireless microphone and wireless voice amplification system |
| CN103220049A (en) * | 2013-03-15 | 2013-07-24 | 深圳市力同亚太科技有限公司 | Microphone monitoring method, microphone monitoring device and microphone monitoring system |
| US20150003637A1 (en) * | 2013-07-01 | 2015-01-01 | Fortemedia, Inc. | Method for utilizing multi-tone identification and audio apparatus utilizing the same |
| US11490248B2 (en) | 2017-12-14 | 2022-11-01 | Lutron Technology Company Llc | Privacy mode for a wireless audio device |
| CA3078295C (en) * | 2017-12-14 | 2023-06-13 | Lutron Technology Company Llc | Privacy mode for a wireless audio device |
-
2002
- 2002-11-30 CN CNB021542368A patent/CN100481754C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1505288A (en) | 2004-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8189809B2 (en) | Audio device for improved sound reproduction | |
| JP2661404B2 (en) | Mobile phone equipment | |
| US6381469B1 (en) | Frequency equalizer, and associated method, for a radio telephone | |
| US7242784B2 (en) | Dynamic gain control of audio in a communication device | |
| CN102318325A (en) | Controlling an adaptation of a behavior of an audio device to a current acoustic environmental condition | |
| US7054625B2 (en) | Wireless communication system, wireless microphone, and wireless microphone control method | |
| JP2016015711A5 (en) | ||
| CN101467431A (en) | Audio processing in communication terminals | |
| CN100481754C (en) | Wireless communication system, wireless microphone and controlling method thereof | |
| Roy et al. | Backdoor: Sounds that a microphone can record, but that humans can't hear | |
| US4124895A (en) | Acoustic measuring system | |
| US20090208036A1 (en) | Magnetic alert detector | |
| KR100972159B1 (en) | Device for controling audio signal in wire and wireless communication instrument | |
| JP4210660B2 (en) | Hearing aid system for remote control of hearing aids | |
| CN1290284C (en) | Frequency shift transceiver | |
| JPH0494204A (en) | Gain control circuit and environment noise collection device | |
| JP2005536107A (en) | Ring-activated mute | |
| US2881250A (en) | Monitoring indication for communication system | |
| JP2002152369A (en) | Tap detecting device | |
| JPH07274281A (en) | Howling suppression device | |
| KR101303584B1 (en) | Auto howling control system and methode for mic system | |
| Bryant | Comparable tests on linear‐and carbon‐type microphones | |
| JPH06284099A (en) | Communication equipment | |
| JPS60119143A (en) | Codeless telephone set | |
| JP2001160763A (en) | Reception device for wireless microphone system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20101130 |