CN102922886A - Printing system and alignment structure at wireless data transmission interface in printing system - Google Patents
Printing system and alignment structure at wireless data transmission interface in printing system Download PDFInfo
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- CN102922886A CN102922886A CN2011102297447A CN201110229744A CN102922886A CN 102922886 A CN102922886 A CN 102922886A CN 2011102297447 A CN2011102297447 A CN 2011102297447A CN 201110229744 A CN201110229744 A CN 201110229744A CN 102922886 A CN102922886 A CN 102922886A
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Abstract
The invention provides a printing system and an alignment structure at a wireless data transmission interface in the printing system. A printing device comprises a coil, a modulation device, a control drive unit and electronic paper. The coil is used for receiving wireless electric energy which is provided by an external host unit and on which printing data are loaded. The modulation device is used for performing demodulation to obtain the printing data and operation electric energy from the wireless electric energy which is received by the coil, wherein the operation electric energy is used as an energy source of the printing device. The control drive device is used for receiving the printing data and driving the electronic paper to display the printing data. Therefore, the host unit transmits the printing data and the operation electric energy to the printing device through the wireless data transmission interface, so that the printing device can print/update the printing data on the electronic paper without being provided with a battery. Even on the occasion that an electronic device is required to be shut down, a user can still read the content displayed by the electronic paper continuously.
Description
Technical field
The present invention relates to a kind of print system and reach the wherein aligning structure of Wireless Data Transmission interface, relate in particular to a kind of Electronic Paper (ePaper) print system that does not need setting battery.
Background technology
E-book (eBook) or electronic reading machine (eReader) can be implemented in the different technologies such as smart phone (smart phone), tablet PC (tablet).Present e-book or electronic reading machine need battery that operational power is provided, such as the required operational power such as backlight, liquid crystal display are provided.The battery of e-book or electronic reading machine inside can provide e-book or the required operational power of electronic reading machine.Yet the weight of battery and volume can allow the user feel to be inconvenient to carry e-book or electronic reading machine.Moreover, in some occasion, for example aircraft take off/land during, e-book or electronic reading chance are required shutdown and can't continue to read.If displaying contents can be printed, even if be required the occasion of shutting down at electronic installation, the user is reading electronic book incessantly still.
Summary of the invention
The invention provides a kind of print system, it has main frame and printing equipment.Printing equipment does not need setting battery and provides the user to read the displaying contents of Electronic Paper (ePaper).
The invention provides a kind of aligning structure of Wireless Data Transmission interface between main frame and printing equipment.When main frame was transferred to printing equipment with print data and operational power, this aligning structure can make the mutual contraposition of coil of coil and the printing equipment of main frame.
The embodiment of the invention proposes a kind of print system, comprises main frame and printing equipment.This main frame comprises the first coil, the first modulating unit and processing unit.Processing unit exports print data to first modulating unit.The first modulating unit is stated from print data in the first AC energy, and output is loaded with one second AC energy of this print data to this first coil.The first coil is converted to radio energy with this second AC energy.This printing equipment comprises the second coil, the second modulating unit, at least one Electronic Paper and a control driver element.The second coil provides the radio energy that is loaded with print data in order to receive this main frame.The second modulating unit demodulates print data and operational power from this radio energy that this coil receives, and wherein said operational power is as the energy of this printing equipment.The control driver element receives the print data that the second modulating unit provides, and drives described at least one Electronic Paper and show this print data.
The embodiment of the invention proposes a kind of printing equipment, comprises a coil, a modulating unit, at least one Electronic Paper and a control driver element.Coil receives the radio energy that outside main frame provides, and wherein this radio energy is loaded with print data.Modulating unit is coupled to coil.The radio energy that modulating unit receives from this coil demodulates this print data and an operational power, and wherein this operational power is as the energy of this printing equipment.The control driver element is coupled between modulating unit and the described at least one Electronic Paper.The control driver element receives this print data, and drives described at least one Electronic Paper and show this print data.
The embodiment of the invention proposes a kind of main frame, comprises coil, processing unit and modulating unit.This processing unit output printing data.Modulating unit is coupled to this processing unit and this coil.Modulating unit is stated from this print data in the first AC energy, and output is loaded with the second AC energy of this print data to this coil.Wherein, this coil is converted to radio energy with this second AC energy, and send an operational power to one by this radio energy with wireless mode and print device as the energy of this printing equipment, and send this print data to this printing equipment by this radio energy.
The embodiment of the invention proposes a kind of aligning structure of Wireless Data Transmission interface, comprises one first housing, one first coil, a plurality of magnet unit, one second housing, one second coil and a centring ring.The first coil and described a plurality of magnet unit are disposed at the inboard of this first housing.Described a plurality of magnet unit is disposed at around this first coil.The second coil and centring ring are disposed at the inboard of this second housing.Centring ring is disposed at around this second coil.Wherein, when the first housing during near the second housing, by the magnetic force between described a plurality of magnet units and this centring ring, make this first coil and the mutual contraposition of this second coil.
Based on above-mentioned, the embodiment of the invention is transferred to printing equipment by the Wireless Data Transmission interface with print data and operational power by main frame, so printing equipment can not need setting battery and print data printed/be updated on the Electronic Paper.After finishing printing/renewal, even if main frame is removed/shuts down, Electronic Paper can keep displaying contents.Therefore, even if be required the occasion of shutting down at electronic installation, the user still can read the displaying contents of Electronic Paper incessantly.Moreover, because printing equipment can not need setting battery, and based on pliability, the portability of Electronic Paper, adopt the printing equipment of Electronic Paper can provide the user more comfortable and more press close to the reading impression of traditional paper.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate accompanying drawing to be described in detail below.
Description of drawings
Fig. 1 is the function block diagram according to embodiment of the invention explanation print system.
Fig. 2 is the application situation schematic diagram that print system shown in Figure 1 is described according to the embodiment of the invention.
Fig. 3 is the application situation schematic diagram that print system shown in Figure 1 is described according to another embodiment of the present invention.
Fig. 4 is the function block diagram according to another embodiment of the present invention explanation main frame.
Fig. 5 is the function block diagram according to another embodiment of the present invention explanation printing equipment.
Fig. 6 illustrates in the print system shown in Figure 1 the aligning structure schematic perspective view of Wireless Data Transmission interface between the main frame and printing equipment according to present embodiment.
Fig. 7 is the schematic flow sheet that carries out described Electronic Paper printing according to embodiment of the invention explanation main frame.
Fig. 8 is the schematic flow sheet that carries out described Electronic Paper printing according to embodiment of the invention explanation Electronic Paper (printing equipment).
The primary clustering symbol description:
100: print system
110: main frame
111: processing unit
112: the first modulating units
113: power cell
114: the first coils
115,125: current sensor
116: the first housings
117: magnet unit
120: printing equipment
121: the second coils
122: the second modulating units
123: the control driver element
124,124-1,124-2,124-3,124-n: Electronic Paper
126: the second housings
127: centring ring
410: DC-AC converter
420: the first frequency mixers
510: the second frequency mixers
520: rectification circuit
530: low pass filter
AC1, AC2, AC 3: AC energy
AC4: alternating current
DC1: direct current energy
DC2: DC current
EM: radio energy
VDD: operational power
S710-S760, S810-S850: step
The specific embodiment
For liquid crystal display, pliability, portability and the electricity-saving characteristic of Electronic Paper (ePaper) are more suitable for realizing e-book or electronic reading machine.Adopt e-book that Electronic Paper realizes or electronic reading machine can provide the user more comfortable and more press close to the reading impression of traditional paper.After the renewal of the displaying contents of finishing Electronic Paper, Electronic Paper can just can be maintained its displaying contents without operational power fully, until update displayed content next time.Present embodiment will illustrate a kind of print system 100 of using Electronic Paper.Fig. 1 is the function block diagram according to embodiment of the invention explanation print system 100.Print system 100 comprises main frame 110 and printing equipment 120.
According to design requirement, main frame 110 can be that phone, personal computer, mobile computer, tablet PC, E-book reader, camera or other need to export/electronic installation of printing character and/or image.In other embodiments, main frame 110 also can be any public's communication/peddle machine, such as public telephone, vending machine etc.Take vending machine as example, main frame 110 can be the e-book generator, to provide/to peddle e-book to the user.
Utilize any modulation (modulation) technology, the known modulation technique of communication field widely for example, the print data that the first modulating unit 112 provides processing unit 111 is stated among the first AC energy AC1, and then output is loaded with the second AC energy AC2 (i.e. the first AC energy AC1 after the modulation) of this print data to the first coil 114.The first coil 114 can be converted to radio energy EM with the second AC energy AC2.In present embodiment, the first coil 114 axially substantially perpendicular to first housing 116 (explanation after holding) of main frame 110, therefore the electromagnetic field (radio energy EM) that produces of the first coil 114 can penetrate near normal/inject the first housing 116.
The second coil 121 is in order to Receiving Host 110 radio energy that the is loaded with print data EM that provides.In present embodiment, the second coil 121 axially substantially perpendicular to second housing 126 (explanation after holding) of printing equipment 120.When printing equipment 120 near main frame 110 (outer surface of the first housing 116 of main frame 110 touches the outer surface of the second housing 126 of printing equipment 120 even), so that the second coil 121 is during near the first coil 114, the first coil 114 and the second coil 121 form similar transformers (transformer).Therefore, the electromagnetic field (radio energy EM) that the first coil 114 produces can be responded to/be received to the second coil 121, and corresponding the 3rd AC energy AC3 that produces.The second modulating unit 122 demodulates this print data and operational power VDD from the radio energy EM that the second coil 121 receives.This operational power VDD can be used as the energy (energy source) of printing equipment 120 internals (for example controlling driver element 123).Because the operational power VDD of printing equipment 120 is provided by main frame 110, so printing equipment 120 can not need setting battery (battery) or adapter (adapter), with volume and the weight of reduction printing equipment 120.
Based on the help of integrated circuit technique, as much as possible slimming of printing equipment 120, even sensitive paper is opened equally light, thin, flexible.For example, Fig. 2 is the application situation schematic diagram that print system 100 shown in Figure 1 is described according to the embodiment of the invention.In present embodiment, main frame 110 is implemented as intelligent mobile phone (smart phone), and printing equipment 120 is implemented as individual Electronic Paper (appearing to a plastic paper).Printing equipment 120 does not have setting battery.Please refer to Fig. 1 and Fig. 2, the back side of main frame 110 disposes the first coil 114.When main frame 110 placed the second coil 121 top of printing equipment 120, printing equipment 120 can receive the radio energy EM that main frame 110 provides, and obtained operational power VDD from radio energy EM.Therefore, do not have the printing equipment 120 of battery or other energy can use the operational power VDD that main frame 110 provides and move various functions, comprise from radio energy EM, demodulating print data, and print data is printed/be shown in Electronic Paper 124.After finishing described printing/display operation, even if main frame 110 is removed/shuts down and causes printing equipment 120 to lose operational power VDD, based on the characteristic of bistable state (or multistable) display medium, so that Electronic Paper 124 still keeps the displaying contents corresponding to print data.
Fig. 4 is the function block diagram according to another embodiment of the present invention explanation main frame 110.Present embodiment can be with reference to the related description of Fig. 1.Be different from part embodiment illustrated in fig. 1, be that main frame 110 shown in Figure 4 also comprises current sensor 115.Please refer to Fig. 4, the first modulating unit 112 comprises DC-AC converter (DC to AC converter) the 410 and first frequency mixer (mixer) 420.DC-AC converter 410 is converted to the first AC energy AC1 with direct current energy DC1.The first frequency mixer 420 can be modulator (modulator).The first frequency mixer 420 is coupled to DC-AC converter 410 and processing unit 111.The print data that the first frequency mixer 420 utilizes any modulation technique (for example widely the known modulation technique of communication field) that processing unit 111 is provided is stated among the first AC energy AC1.
Fig. 5 is the function block diagram according to another embodiment of the present invention explanation printing equipment 120.Present embodiment can be with reference to the related description of Fig. 1.Be different from part embodiment illustrated in fig. 1, be that printing equipment 120 shown in Figure 5 also comprises current sensor 125.Please refer to Fig. 5, the second modulating unit 122 comprises the second frequency mixer 510, rectification circuit 520 and low pass filter 530.The second frequency mixer 510 passes through the radio energy EM (i.e. the 3rd AC energy AC3) that the second coil 121 receives from the first coil 114, and this radio energy EM is demodulated print data and alternating current AC4.Rectification circuit 520 couples the second frequency mixer 510 receiving this alternating current AC4, and this alternating current AC4 is rectified into DC current DC2.Rectification circuit 520 can be half-wave rectifier or full-wave rectifier, for example bridge rectifier (bridge rectifier).
The hull outside surface of above-mentioned printing equipment 120 and/or main frame 110 can typographic(al) mark, makes this first coil 114 and these the second coil 121 mutual contrapositions with the guiding user by mobile print device 120 and/or main frame 110.Perhaps, the housing inboard (or hull outside) at printing equipment 120 and/or main frame 110 disposes aligning structure.For example, Fig. 6 illustrates in the print system 100 shown in Figure 1 the aligning structure schematic perspective view of Wireless Data Transmission interface between the main frame 110 and printing equipment 120 according to present embodiment.Please refer to Fig. 6, the shell of the first housing 116 expression main frames 110, and the shell of the second housing 126 expression printing equipments 120.
The first coil 114 and a plurality of magnet units 117 are disposed at the inboard (namely being disposed at the inside of main frame 110) of the first housing 116.Magnet unit 117 is disposed at around the first coil 114.The second coil 121 and centring ring 127 are disposed at the inboard (namely being disposed at the inside of printing equipment 120) of the second housing.Centring ring 127 is disposed at around the second coil 121, as shown in Figure 6.The material of this centring ring 127 comprises ferromagnetic material (ferromagnetic materials), metals such as iron, nickel, cobalt.Described a plurality of magnet unit 117 is alnico magnets or electromagnet.Therefore, when the first housing 116 during near the second housing 126, by the magnetic force between described a plurality of magnet units 117 and the centring ring 127, make the first coil 114 and the 121 mutual contrapositions of the second coil.
If with high-speed double electromagnet magnet unit 117, then processing unit 111 can determine whether to trigger magnet unit 117 to produce magnetic field.Do not need print data to be transmitted/be printed to Electronic Paper 124 during, processing unit 111 forbidden energy (disable) magnet unit 117.When need print data is transmitted/is printed to Electronic Paper 124 during, processing unit 111 triggers magnet units 117 and produces magnetic fields, to assist the more accurately mutual contraposition of the first coil 114 and the second coil 121.
In another embodiment, main frame 110 internal configurations magnetic reed switch (REED SWITCH).Whether centring ring 127 will determine the conducting state of magnetic reed switch near main frame 110.Therefore, processing unit 111 can judge that whether printing equipment 120 is near main frame 110 according to the conducting state of magnetic reed switch.When the conducting state of magnetic reed switch indication printing equipment 120 during near main frame 110, processing unit 111 triggers magnet units 117 and produces magnetic fields, to assist the more accurately mutual contraposition of the first coil 114 and the second coil 121.
Fig. 7 is the schematic flow sheet that carries out described Electronic Paper printing according to embodiment of the invention explanation main frame 110.In step S710, main frame 110 can load first print data.For example, main frame 110 can pass through internet (internet) requires downloading web pages, e-book, photo or print data from other type to remote server.Again for example, if main frame 110 is digital cameras or other has the electronic installation of filmed image function, then main frame 110 can come photographic subjects image (being print data) by the image sensing circuit.
After main frame 110 was ready for print data, main frame 110 can carry out step S720 to begin to carry out the described Electronic Paper printing of all embodiment in front.When the user make main frame 110 and printing equipment 120 mutually near the time, the magnetic reed switch of main frame 110 inside can change conducting state accordingly.When the conducting state of magnetic reed switch indication printing equipment 120 during near main frame 110, processing unit 111 can carry out step S730 and produce magnetic field to trigger a plurality of magnet units 117 (electromagnet or coil).Magnetic force between main frame 110 inner described a plurality of magnet units 117 and the printing equipment 120 positioned internal circles 127 can be assisted the more accurately mutually contraposition of the first coil 114 and the second coil 121.
In the situation of conducting state indication printing equipment 120 near main frame 110 of magnetic reed switch, and detect at current sensor 115 in the situation of the magnitude of current greater than a certain threshold value (threshold value) of DC-AC converter 410, processing unit 111 begins to carry out step S740 print data is sent to the first modulating unit 112.The radio energy EM that the first modulating unit 112 and the first coil 114 will be loaded with a print data sends the second coil 121 of printing equipment 120 to.
In the process that transmits print data, processing unit 111 judges whether to finish Electronic Paper printing (step S750) at any time.The Electronic Paper printing not yet finishes, and then processing unit 111 is got back to step S720, in order to proceed the Electronic Paper printing.For example, in the situation of conducting state indication printing equipment 120 near main frame 110 of magnetic reed switch, and detect at current sensor 115 in the situation of the magnitude of current greater than a certain threshold value of DC-AC converter 410, processing unit 111 is just proceeded the Electronic Paper printing.If in the situation of conducting state indication printing equipment 120 away from main frame 110 of magnetic reed switch, or detect at current sensor 115 in the situation of the magnitude of current less than a certain threshold value of DC-AC converter 410, processing unit 111 will re-start the Electronic Paper printing.
When the user assigns the instruction that stops to print, or transmitted when complete when whole print datas, processing unit 111 can go to notify Electronic Paper (printing equipment 120) Electronic Paper printing to finish by the first modulating unit 112 and the first coil 114.Next, processing unit 111 can carry out step S760, to end the electric current of described a plurality of magnet unit 117, namely stops to trigger electromagnet.
Fig. 8 is the schematic flow sheet that carries out described Electronic Paper printing according to embodiment of the invention explanation Electronic Paper (printing equipment 120).When main frame 110 during away from printing equipment 120, printing equipment 120 is in electroless state (step S810) because losing the energy.When the second coil 121 of the first coil 114 proximity printing devices 120 of main frame 110, printing equipment 120 can obtain operational power VDD (step S820) from the radio energy EM that the second coil 121 receives.Next, whether control driver element 123 can pass through the magnitude of current of current sensor 125 detection low pass filters 530 greater than a certain threshold value, judges namely whether the operational power VDD that obtains from radio energy EM stablizes (step S830).Detect at current sensor 125 in the situation of the magnitude of current greater than a certain threshold value of low pass filter 530, control driver element 123 can go to notify main frame 110 to begin to transmit print data by the second modulating unit 122 and the second coil 121.So far, the print data (step S840) that control driver element 123 can provide by the second modulating unit 122 and the second coil 121 Receiving Hosts 110, and drive described Electronic Paper 124 demonstration these print datas (step S850).
In sum, above-mentioned all embodiment are transferred to printing equipment 120 by the Wireless Data Transmission interface with print data and operational power VDD by main frame 110.Because operational power VDD provided by the Wireless Data Transmission interface by main frame 110, so printing equipment 120 can not need setting battery and print data printed/be updated on the Electronic Paper 124.After finishing printing/renewal, even if main frame 110 is removed or shuts down, Electronic Paper 124 still can keep its displaying contents.Particularly must close in the occasion of closing electronic device, the user is as long as print/be presented at Electronic Paper 124 with print data (for example e-book) in advance, even if main frame 110 is closed power supply with printing equipment 120, the user still can read the print data that is printed on the Electronic Paper 124 incessantly.Moreover, because printing equipment 120 can not need setting battery, and based on pliability, the portability of Electronic Paper 124, adopt the printing equipment 120 of Electronic Paper 124 can provide the user more comfortable and more press close to the reading impression of traditional paper.
Although the present invention discloses as above with embodiment, so it is not to limit the present invention, any under those of ordinary skill in the technical field, when can doing a little change and retouching, and do not break away from the spirit and scope of the present invention.
Claims (17)
1. print system comprises:
One main frame, this main frame comprises one first coil, one first modulating unit and a processing unit, wherein this processing unit exports a print data to this first modulating unit, this first modulating unit this print data is stated from one first AC energy and one second AC energy that output is loaded with this print data to this first coil, and this first coil is converted to a radio energy with this second AC energy; And
One prints device, this printing equipment comprises one second coil, one second modulating unit, at least one Electronic Paper and a control driver element, wherein this second coil provides this radio energy that is loaded with this print data in order to receive this main frame, this radio energy that this second modulating unit receives from this coil demodulates this print data and a operational power as the energy of this printing equipment, and this control driver element receives this print data that this second modulating unit provides and drives described at least one Electronic Paper and shows this print data.
2. print system according to claim 1, wherein this main frame also comprises a plurality of magnet units that are disposed at around this first coil; And this printing equipment also comprises a centring ring that is disposed at around this second coil, and the material of this centring ring comprises ferromagnetic material.
3. print system according to claim 2, wherein said a plurality of magnet units are electromagnet.
4. print system according to claim 1, wherein this first modulating unit comprises:
One direct current a-c transducer is converted to this first AC energy with a direct current electric energy; And
One first frequency mixer is coupled to this DC-AC converter and this processing unit, and this first frequency mixer is stated from this print data in this first AC energy and output is loaded with this second AC energy of this print data to this first coil.
5. print system according to claim 1, wherein this second modulating unit comprises:
One second frequency mixer receives this radio energy from this first coil by this second coil, and this radio energy is demodulated this print data and an alternating current;
One rectification circuit couples this second frequency mixer receiving this alternating current, and this alternating current is rectified into a direct current electric current; And
One low pass filter couples this rectification circuit receiving this DC current, and filters this DC current to obtain this operational power.
6. print system according to claim 1, wherein this main frame is a phone, a computer, a camera or an e-book generator.
7. printing equipment comprises:
One coil receives the radio energy that a main frame provides, and wherein this radio energy is loaded with a print data;
One modulating unit is coupled to this coil, and this radio energy that this modulating unit receives from this coil demodulates this print data and an operational power, and wherein this operational power is as the energy of this printing equipment;
At least one Electronic Paper; And
One control driver element is coupled between this modulating unit and the described at least one Electronic Paper, and this control driver element receives this print data and drives described at least one Electronic Paper and shows this print data.
8. printing equipment according to claim 7 wherein also comprises:
One centring ring, be disposed at this coil around, wherein the material of this centring ring comprises ferromagnetic material.
9. printing equipment according to claim 7, wherein this modulating unit comprises:
One frequency mixer receives this radio energy by this coil, and this radio energy is demodulated this print data and an alternating current;
One rectification circuit couples this frequency mixer receiving this alternating current, and this alternating current is rectified into a direct current electric current; And
One low pass filter couples this rectification circuit receiving this DC current, and filters this DC current to obtain this operational power.
10. main frame comprises:
One coil;
One processing unit, this processing unit is exported a print data; And
One modulating unit is coupled to this processing unit and this coil, and this modulating unit is stated from this print data in one first AC energy and output is loaded with one second AC energy of this print data to this coil;
Wherein this coil is converted to a radio energy with this second AC energy, and send an operational power to one by this radio energy with wireless mode and print device as the energy of this printing equipment, and send this print data to this printing equipment by this radio energy.
11. main frame according to claim 10 wherein also comprises:
A plurality of magnet units are disposed at around this coil.
12. main frame according to claim 11, wherein said a plurality of magnet units are electromagnet.
13. main frame according to claim 10, wherein this modulating unit comprises:
One direct current a-c transducer is converted to this first AC energy with a direct current electric energy; And
One frequency mixer is coupled to this DC-AC converter and this processing unit, and this frequency mixer is stated from this print data in this first AC energy and output is loaded with this second AC energy of this print data to this coil.
14. main frame according to claim 10, wherein this main frame is a phone, a computer, a camera or an e-book generator.
15. the aligning structure of a Wireless Data Transmission interface comprises:
One first housing;
One first coil is disposed at the inboard of this first housing;
A plurality of magnet units are disposed at the inboard of this first housing, and are disposed at around this first coil;
One second housing;
One second coil is disposed at the inboard of this second housing; And
One centring ring, be disposed at the inboard of this second housing, and be disposed at around this second coil, wherein when this first housing during near this second housing, by the magnetic force between described a plurality of magnet units and this centring ring, make this first coil and the mutual contraposition of this second coil.
16. the aligning structure of Wireless Data Transmission interface according to claim 15, wherein the material of this centring ring comprises ferromagnetic material.
17. the aligning structure of Wireless Data Transmission interface according to claim 15, wherein said a plurality of magnet units are electromagnet.
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| CN2011102297447A CN102922886A (en) | 2011-08-11 | 2011-08-11 | Printing system and alignment structure at wireless data transmission interface in printing system |
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| CN2011102297447A CN102922886A (en) | 2011-08-11 | 2011-08-11 | Printing system and alignment structure at wireless data transmission interface in printing system |
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Application publication date: 20130213 |