CN100476686C - Mobile communication terminal, time information synchronization device and method of personal computer - Google Patents
Mobile communication terminal, time information synchronization device and method of personal computer Download PDFInfo
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- CN100476686C CN100476686C CNB2005100691551A CN200510069155A CN100476686C CN 100476686 C CN100476686 C CN 100476686C CN B2005100691551 A CNB2005100691551 A CN B2005100691551A CN 200510069155 A CN200510069155 A CN 200510069155A CN 100476686 C CN100476686 C CN 100476686C
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- mobile communication
- communication terminal
- personal computer
- time
- information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/14—Time supervision arrangements, e.g. real time clock
Abstract
The object of the invention is to provide a time information synchronization device and method of mobile communication terminal and personal computer, including the following components: mobile communication terminals, which receives the synchronization channel messages from satellites, sets up the system time of the mobile communication terminals, and transmits the current time information to personal computers; personal computers, receiveing the current time information from the said mobile communication terminals and setting up the time information. The present invention, through the above components, achieves the effect of using the standard time of the mobile communication terminals to receive information, so as to carry out the time information synchronization of the personal computers.
Description
Technical field
The present invention relates to the time information synchronization device and the method for a kind of mobile communication terminal and personal computer, more specifically, relate to a kind of etalon time of mobile communication terminal that utilizes and receive information, the time information of personal computer is carried out the time information synchronization device and the method for synchronized mobile communication terminal and personal computer.
Background technology
Generally speaking, mobile communication system is with the communication system of moving bodys such as people, automobile, boats and ships, train, aircraft as object, wherein, comprise push-button phone (Key Phone) system, mobile communication terminal (portable phone, car phone), harbor radiotelephone, airphone, mobile public telephone (being installed in train, pleasure-boat, high speed bus etc.), wireless calling, wireless telephone, satellite mobile communication, ham radio, fishery radio etc.
In above-mentioned mobile communication system, comprise AMPS (the Advanced MobilePhone Service) system that adopts analog form, adopt CDMA (the Code Division MultipleAccess of digital form, CDMA) system, WCDMA (Wideband Code Division MultipleAccess, Wideband Code Division Multiple Access (WCDMA)), TDMA (Time Division Multiple Access, time division multiple access (TDMA)) system, FDMA (Frequency Division Multiple Access, frequency division multiple access) system, WLL (Wireless Local Loop, wireless local loop), CDMA2000-1x, IMT-2000 (International Mobile Telecommunication in the year2000, general world mobile communication) system, GSM (Global System for Mobilecommunication) system etc.
Therefore, mobile communication terminal can use in aforesaid mobile communication system, and can receive the mobile communication service.
As shown in Figure 1, it is the structured flowchart of general mobile communication system, and wherein satellites are represented in identifier 10 expression base stations, 20, and 30 expression mobile communication terminals.
As shown in Figure 2, it is the structured flowchart of mobile communication terminal in the past, and wherein, identifier 31 is the receiving part of mobile communication terminal 30 inside that can receive synchronizing channel in the mobile communication system; The timer that 32 expressions are decoded and imported the synchronizing channel that receives from above-mentioned message recipient 31; And the display part that 33 expressions show the information that is input in the above-mentioned timer 32.
For this reason, be automatically made the GPS standard time when utilizing the mobile communication electric wave to open (ON) power supply in the past, and the time error that produces is carried out the periodicity compensation.
As shown in Figure 3, it is the temporal information establishing method process flow diagram of mobile communication terminal in the past, for the message recipient that can receive the mobile communication system synchronizing channel and the electronic product of timer are housed, to carry out following steps: when opening the power supply of above-mentioned electronic product, judge that the pattern be arranged on the above-mentioned electronic product is automatically or the step of manual mode (seeing step ST1, ST2); When if above-mentioned pattern is manual mode, the user is provided with the step (seeing step ST3, ST4) that button is selected to the time of electronic product; State after the button step (seeing step ST5) that the time that is presented in the display part 33 is provided with in the choice; When above-mentioned pattern is automatic mode, the temporal information in the synchronizing channel that receives according to being included in, the step that the time of above-mentioned timer 32 is set (is seen step ST6～ST8).
But be installed in the time of the timer on the electronic product by the setting of above-mentioned steps automatic or manual.
Below in conjunction with accompanying drawing, the operation of above-mentioned conventional art is described in detail.
At first, 10 channels that send to mobile communication terminal 30 comprise pilot channel (pilotchannel), synchronizing channel and Traffic Channel etc. from the base station.
Wherein, in synchronizing channel, comprise protocol information, Pilot PN (Pseudo Noise, pseudo-random code) various information such as skew, temporal information, in the prior art, its core is, in these synchronous channel informations, temporal information is used in the automatic setting device of electronic product internal clocking.
And, in the prior art, will be used in originally that standard time in the mobile communication terminal is set and compensation method is applied among the electronic product, electronic product is provided with automatically from the base station acceptance criteria time and to the clock in the electronic product.
Wherein, base station 10 is for the initialization system etalon time, to use satellite position and measure system (GPS, Global Positioning System), the message recipient that is built in the global position system (GPS) of 10 inside, base station will be from satellite 20 time of receptions, position and frequency dependence information.
The temporal information of above-mentioned reception is set to the system standard time of base station 10, after finishing setting, temporal information is input in the system standard time domain of the synchronizing channel that is ready for sending.
And Pilot PN skew (Pilot PN Off set) and system standard time that each base station 10 is determined are that benchmark sends pilot channel, transmit the synchronizing channel with its synchronised simultaneously.
In addition, the above-mentioned information of finishing decoding is input to timer 32, is set to GPS automatically and will be presented in the display part 33 after the standard time.
And, according to the cycle that sets in the menu in electronic product, the time error that produces is compensated for as the GPS standard time automatically.
Fig. 3 has shown the process of utilizing the timer that is installed in electronic product inside that etalon time is provided with and compensates.
At first, open after (ON) electronic product power supply, judge that the pattern that is arranged on electronic product inside is automated manner or manual mode (seeing step ST1, ST2).
In above-mentioned steps ST2, when time setting pattern is not automatic mode,, can set button (seeing step ST3, ST4) by manual option date of the menu of electronic product and time if the user needs setting-up time.
And, show the picture that can set date and time by the display part 33 that is installed on the electronic product, thereby to year, month, day, hour, min and set (seeing step ST5) second.
And, when preestablishing between the amortization period, will regularly utilize the etalon time information of synchronizing channel between every amortization period by the electronic product menu, the timer etalon time of electronic product is compensated.
In above-mentioned steps ST2, if when the time set pattern of electronic product is automatic mode, by being installed in electronic product and can receiving the GPS message recipient search synchronizing channel (seeing step ST6) of synchronizing channel.
When message recipient is searched for successfully, and can receive the synchronizing channel that transmits mobile communication base station 10 time, according to the temporal information automatic setting standard time (seeing step ST7, ST8) that is included in the synchronizing channel.
Also comprising date and time information in the above-mentioned etalon time.
But, exist following problem in the above-mentioned conventional art.
That is, in such as each electronic products such as mobile communication terminals, need to be provided with the circuit that can receive the CDMA electric wave and can carry out the synchronization operation.
Summary of the invention
Consider the problem of above existence, proposition the objective of the invention is to: time information synchronization device and method that a kind of mobile communication terminal and personal computer are provided, that is, the etalon time information of utilizing mobile communication terminal to receive is carried out synchronization to the time information of personal computer.
In order to realize aforesaid purpose, the mobile communication terminal of the embodiment of the invention and personal computer time information synchronization device comprise following component part: mobile communication terminal, receive Sync Channel Message and set the system time of mobile communication terminal from satellite, and transmit current time information to personal computer; Personal computer receives current time information and setting-up time information from described mobile communication terminal; Described mobile communication terminal comprises: antenna, from the aerial Sync Channel Message that receives of described satellite process; The RF driver carries out radio frequency processing to the signal that receives by described antenna, is the information translation of carrying out encoding process that is received the information that can be used in described mobile communication terminal; Call treatment portion will carry out the task that the call treatment agreement is handled, and the information of changing in above-mentioned RF driver is distributed or handled.
In order to realize aforesaid purpose, the time information synchronization method of the mobile communication terminal of the embodiment of the invention and personal computer comprises the steps: step 1, receive Sync Channel Message from satellite, be converted into the information that can be used in mobile communication terminal, the task that execution is handled the call treatment agreement, the information of above-mentioned conversion is distributed or is handled, and the system time of mobile communication terminal is set; Step 2 is after above-mentioned steps 1, from above-mentioned mobile communication terminal receiving system time related information, to set the temporal information of personal computer.
Beneficial effect of the present invention is: by the present invention, utilize the standard time collection of letters information of mobile communication terminal, can reach the temporal information of personal computer is carried out synchronized effect; And the temporal information that above-mentioned mobile communication terminal receives is to have realized synchronized temporal information with the GPS star, therefore, utilizes this temporal information can reach the effect that the personal computer time is set more exactly.
Description of drawings
Fig. 1 is the structured flowchart of general mobile communication system;
Fig. 2 is the structured flowchart of mobile communication terminal in the past;
Fig. 3 is the temporal information establishing method process flow diagram of mobile communication terminal in the past;
Fig. 4 is the time information synchronization device structured flowchart of mobile communication terminal of the present invention and personal computer;
Fig. 5 is the time information synchronization method flow diagram of mobile communication terminal of the present invention and personal computer;
Fig. 6 is the structured flowchart of method example in the service chart 5 in the device of Fig. 4;
Fig. 7 is the form of the Sync Channel Message data structure used among the present invention.
The main identification division explanation of accompanying drawing:
10: base station 20: satellite
30: mobile communication terminal 31: receiving part
32: timer 33: display part
40: mobile communication terminal 41: antenna
42:RF driver 43: call treatment portion
44: system time configuration part 45: the task handling part
46: serial input/output driver 47: serial line unit
50: personal computer 51: serial line unit
52: serial input/output driver 53: the client task handling part
54: time task handling part
Embodiment
Below in conjunction with accompanying drawing, the time information synchronization device and the method for a kind of mobile communication terminal of aforesaid the present invention and personal computer described.
As shown in Figure 4, it is the time information synchronization device structured flowchart of mobile communication terminal of the present invention and personal computer, it comprises following component part: mobile communication terminal 40, receive Sync Channel Message (Synchronization Channel Message) from satellite 20, set the system time of mobile communication terminal 40, and transmit current time information to personal computer 50; Personal computer (PersonalComputer, PC) 50, receive current time information from above-mentioned mobile communication terminal 40, temporal information is set.
Above-mentioned mobile communication terminal 40 comprises following component part: antenna 41 receives Sync Channel Message from above-mentioned satellite 20 through aerial (Air); RF driver 42 carries out RF (Radio Frequency, radio frequency) to the signal that receives by above-mentioned antenna 41 and handles, and the information translation that encode (Encoding) that received handled is the information that can be used in above-mentioned mobile communication terminal 40; Call treatment portion 43 distributes or handles the information of conversion in above-mentioned RF driver 42; System time configuration part 44 is connected storage and current time relevant information with above-mentioned call treatment portion 43; Task handling part 45 is connected with above-mentioned call treatment portion 43, is used for handling in the relevant task (Task) of above-mentioned personal computer 50 time sets; Serial input/output driver 46 is connected with task handling part 45, carries out with serial input/output device (Serial Input Out put Device) and communicates required being connected (interface) effect; Serial line unit 47 is connected with above-mentioned serial input/output driver 46, and guarantees being connected between above-mentioned mobile communication terminal 40 and the above-mentioned personal computer 50.
Above-mentioned personal computer 50 comprises following component part: serial line unit 51 is connected with above-mentioned mobile communication terminal 40; Serial input/output driver 52 be connected with above-mentioned serial line unit 51, and execution communicates required being connected with the serial input/output device; Client task handling part 53 is connected with above-mentioned serial input/output driver 52, and handles to above-mentioned mobile communication terminal 40 request and the required tasks of receiving time information; Time task handling part 54 is connected with above-mentioned client task handling part 53, and the task of current time of managing above-mentioned personal computer 50 is handled.
Above-mentioned mobile communication terminal 40 constitutes with above-mentioned personal computer 50 inner serial line unit 47,51 each free UART (Universal Asynchronous Receiver Transmitter, UART Universal Asynchronous Receiver Transmitter).
Above-mentioned mobile communication terminal 40 constitutes with above-mentioned personal computer 50 inner serial line unit 47,51 each free USB (Universal Serial Bus, USB (universal serial bus)).
As shown in Figure 5, it is the time information synchronization method flow diagram of mobile communication terminal of the present invention and personal computer, this method comprises the steps: that (ST11～ST13), receive Sync Channel Message from satellite 20 sets the system time of mobile communication terminal 40 step 1; Step 2 (ST14～ST20), after above-mentioned steps 1, from above-mentioned mobile communication terminal 40 receiving system time related informations, to set the temporal information of personal computer 50.
(ST11～ST13) also comprises following concrete steps: above-mentioned mobile communication terminal 40 receives the step (seeing step ST11) of Sync Channel Messages to above-mentioned steps 1 from above-mentioned satellite 20; From the message of above-mentioned reception, time related information is stored as the step (seeing step ST12) of the system time of above-mentioned mobile communication terminal 40; Through after the above storage,, the regular update corresponding system time, perhaps after receiving new Sync Channel Message, continue the step (seeing step ST13) of update system time by the timer information of above-mentioned mobile communication terminal 40 inside.
(ST14～ST20) also comprises following concrete steps to above-mentioned steps 2: above-mentioned mobile communication terminal 40 is connected with above-mentioned personal computer 50, (sees step ST14～ST15) with the step of the client task of carrying out above-mentioned personal computer 50; In above-mentioned client task, to above-mentioned 40 delivery time of mobile communication terminal information request packets of information, and the step of request time information (seeing step ST16, ST17); Receiving the above-mentioned mobile communication terminal 40 of above temporal information request, the reading system time also sends it to the step (seeing step ST18, ST19) of above-mentioned personal computer 50; Above-mentioned personal computer 50 receiving time informations are adjusted to step (seeing step ST20) from the current time that above-mentioned satellite 20 provides with time of above-mentioned personal computer 50.
Below in conjunction with accompanying drawing, the time information synchronization device of a kind of mobile communication terminal of the present invention and personal computer and the running of method are elaborated.
At first, the standard time information of utilizing mobile communication terminal in the present invention and being received, thus realize time information synchronization to personal computer.
For this reason, mobile communication terminal 40 will receive Sync Channel Messages from satellite 20, setting the system time of mobile communication terminal 40, and transmit according to the formed current time relevant information of the Sync Channel Message of satellite 20 to personal computer 50.
Above-mentioned mobile communication terminal 40 can comprise following component part: antenna 41, RF driver 42, call treatment portion 43, system time configuration part 44, task handling part 45, serial input/output driver 46, serial line unit 47 etc.
In mobile communication terminal 40, antenna 41 will receive Sync Channel Message through aerial (Air) from satellite 20.
Call treatment portion 43 will carry out the task that call treatment agreement (Protocol) is handled, and the information of conversion in above-mentioned RF driver 42 is distributed or handled.
System time configuration part 44 comprises and is connected with call treatment portion 43 and is used to store the universe variable of current time relevant information, the information relevant with the current time that storage receives from gps satellite 20.
The time that above-mentioned task handling part 45 is connected to call treatment portion 43 and handles personal computer 50 is provided with relevant task.
Serial input/output driver 46 will be carried out and be connected with task handling part 45 and communicate required being connected (interface) with the serial input/output device.
In addition, personal computer 50 will receive by the formed information relevant with the current time of the satellite 20 Sync Channel Messages line time information setting of going forward side by side from mobile communication terminal 40.
Above-mentioned personal computer 50 can be made of serial line unit 51, serial input/output driver 52, client task handling part 53, time task handling part 54 etc.
Serial input/output driver 52 will be connected with serial line unit 51, and execution communicates required connection the (interface) with the serial input/output device.
Time task handling part 54 will be connected with client task handling part 53, and handle the task that the current time to personal computer 50 manages.For this reason, the temporal information universe variable to personal computer 50 in time task handling part 54 manages, and makes personal computer 50 storages and current time relevant information.
Below above running of the present invention is illustrated in more detail.
As shown in Figure 6, it is the operation example structured flowchart of method among device and Fig. 5 among Fig. 4.
At first, mobile communication terminal 40 utilizes antenna 41, and receives Sync Channel Message (seeing step ST11) through aerial (Air) from satellite 20.
The message of above-mentioned reception will send call treatment portion 43 to by RF driver 42.
At this moment, call treatment portion 43 sends the information of time to the system time configuration part 44 of mobile communication terminal 40 in the message that is received.
At this moment, system time configuration part 44 will be in universe variable (system time) information storage time (seeing step ST12).
And, by the timer information of above-mentioned mobile communication terminal 40 inside,, perhaps after receiving new Sync Channel Message, continue the update system time (seeing step ST13) with certain renewal corresponding system time in cycle.
Then, the serial line unit 47 with following mobile communication terminal 40 is connected (seeing step ST14) with the serial line unit 51 of personal computer 50.Above-mentioned serial line unit 47,51 can be made of UART or USB etc.
In addition, when carrying out client task, guarantee that the client task handling part 53 of personal computer 50 is received current time information (seeing step ST15) from mobile communication terminal 40.
By carrying out client task, client task handling part 53 will be by serial input/output driver 52 and serial line unit 51 to 40 delivery time of mobile communication terminal information request packets of information (seeing step ST16).
At this moment, the task handling part 45 of mobile communication terminal 40 inside will receive the temporal information request packet that is transmitted by serial line unit 47 and serial input/output driver 46, and to call treatment portion 43 request time information (seeing step ST17).
Thus, the system time of call treatment portion 43 reading system time setting parts 44 storage, and send the said system time to task handling part 45 (seeing step ST18).
And the system time that is sent to task handling part 45 will send personal computer 50 to by serial input/output driver 46 and serial line unit 47.
At this moment, the client task handling part 53 of personal computer 50 will be by serial line unit 51 and 52 receiving system times of serial input/output driver, thus receiving time information (seeing step ST19).
And client task handling part 53 sends the temporal information that is received to time task handling part 54, makes the time of personal computer 50 be adjusted to the current time (seeing step ST20) that receives from satellite 20.
See also Fig. 7 again, it has shown the form that is used for Sync Channel Message data structure of the present invention.
Wherein, P_REV writes a Chinese character in simplified form as Protocol Revision's, and its length is 8 bits.
And, SYSTEM TIME be with 0: 0: 0 on the 6th January in 1980 be the count value of unit as benchmark and with 80ms, it is consistent with gps time, and its length is 36 bits.Therefore, mobile communication terminal 40 is included in utilization four sync channel superframes (320ms) initialization system time domain of the afterbody superframe (Super frame) in the Sync Channel Message.
And LP_SEC writes a Chinese character in simplified form as Leap Seconds's, and expression leap second, its length is 8 bits.
And, LTM_OFF writes a Chinese character in simplified form as Local Time Offset from UTC (Coordinated UniversalTime), in units of 30minutes's, its length is 6 bits, the GMT of expression respective regions (Greenwich Mean Time, GST (Greenwich standard time) is carved) skew (Off set).This value with every 30min (branch) be unit count once, be expressed as 2 complement code (complement).
And DAYLT writes a Chinese character in simplified form as Daylight Savings Time Indicator's, and its length is 1 bit.Therefore, when having set the current time, the base station is 1 with the DAYLT field value set when effective, otherwise the base station is 0 with the DAYLT field value set.Above-mentioned Daylight Savings Time is the summer time (Summer Time) that we often say, owing to do not implement this time system in Korea S, be set to 0, and if when implementing the summer time, then be set to 1, above-mentioned value will be used to calculate local zone time.
Therefore, the system time of Sync Channel Message among Fig. 7 offers the mobile communication terminal 40 by antenna 41 from satellite 20.
Utilize the said system time, can realize the time synchronized between mobile communication terminal 40 and the personal computer 50.
Thus, utilize the standard time of mobile communication terminal to receive information in the present invention, realize time information synchronization personal computer.
By above process, the useful embodiment of the present invention is illustrated, but the present invention can carry out various changes, perhaps is adopted as other guide with equal authenticity.Certainly, can also carry out carrying out equal application after the suitable change to the foregoing description among the present invention.Therefore, the content of more than setting forth does not limit by the claim scope of stipulating in claims of the present invention.
As described above, in the time information synchronization device and method of a kind of mobile communication terminal of the present invention and personal computer, utilize the standard time collection of letters information of mobile communication terminal to reach the temporal information of personal computer is carried out synchronized effect.
The temporal information that above-mentioned mobile communication terminal receives is to have realized synchronized temporal information with gps satellite, therefore, utilizes this temporal information can reach the effect that the personal computer time is set more exactly.
Above embodiment only limits to illustrate the present invention, but not is used to limit the present invention.
Claims (8)
1, a kind of mobile communication terminal and personal computer time information synchronization device is characterized in that, comprise following component part:
Mobile communication terminal receives Sync Channel Message and sets the system time of mobile communication terminal from satellite, and transmits current time information to personal computer;
Personal computer receives current time information and setting-up time information from described mobile communication terminal;
Described mobile communication terminal comprises:
Antenna is from the aerial Sync Channel Message that receives of described satellite process;
The RF driver carries out radio frequency processing to the signal that receives by described antenna, is the information translation of carrying out encoding process that is received the information that can be used in described mobile communication terminal;
Call treatment portion will carry out the task that the call treatment agreement is handled, and the information of changing in above-mentioned RF driver is distributed or handled.
2, a kind of mobile communication terminal according to claim 1 and personal computer time information synchronization device is characterized in that, described mobile communication terminal also comprises following component part:
The system time configuration part is connected storage and current time relevant information with described call treatment portion;
The task handling part is connected with described call treatment portion, is used for handling in the relevant task of described personal computer time set;
The serial input/output driver is connected with the task handling part, carries out and communicates the required effect that is connected with the serial input/output device;
Serial line unit is connected with described serial input/output driver, and guarantees being connected between described mobile communication terminal and the described personal computer.
3, a kind of mobile communication terminal according to claim 1 and 2 and personal computer time information synchronization device is characterized in that, described personal computer comprises following component part:
Serial line unit is connected with described mobile communication terminal;
The serial input/output driver is connected with described serial line unit, and execution communicates required being connected with the serial input/output device;
The client task handling part is connected with described serial input/output driver, and handles to described mobile communication terminal request and the required task of receiving time information;
Time task handling part is connected with described client task handling part, and the task of current time of managing described personal computer is handled.
4, a kind of mobile communication terminal according to claim 3 and personal computer time information synchronization device is characterized in that, the inner serial line unit of described mobile communication terminal and described personal computer constitutes each free UART.
5, a kind of mobile communication terminal according to claim 3 and personal computer time information synchronization device is characterized in that, the inner serial line unit of described mobile communication terminal and described personal computer constitutes each free USB.
6, the time information synchronization method of a kind of mobile communication terminal and personal computer is characterized in that, comprises the steps:
Step 1, receive Sync Channel Message from satellite, be converted into the information that can be used in mobile communication terminal, carry out the task that the call treatment agreement is handled, the information of above-mentioned conversion is distributed or handle, the system time of mobile communication terminal is set;
Step 2 is after described step 1, from described mobile communication terminal receiving system time related information, to set the temporal information of personal computer.
7, the time information synchronization method of a kind of mobile communication terminal according to claim 6 and personal computer is characterized in that, described step 1 also comprises following concrete steps:
Described mobile communication terminal receives the step of Sync Channel Message from described satellite;
From the message of described reception, time related information is stored as the step of the system time of described mobile communication terminal;
Through after the above storage,, the regular update corresponding system time, perhaps after receiving new Sync Channel Message, continue the step of update system time by the timer information of described mobile communication terminal inside.
8, according to the time information synchronization method of claim 6 or 7 described a kind of mobile communication terminals and personal computer, it is characterized in that described step 2 also comprises following concrete steps:
Described mobile communication terminal is connected with described personal computer, with the step of the client task of carrying out described personal computer;
In described client task, to described mobile communication terminal delivery time information request packets of information, and the step of request time information;
Receiving the described mobile communication terminal of above temporal information request, the reading system time also sends it to the step of described personal computer;
Described personal computer receiving time information is adjusted to time of described personal computer from the step of the current time that described satellite provides.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040079262 | 2004-10-05 | ||
| KR1020040079262A KR100661557B1 (en) | 2004-10-05 | 2004-10-05 | Apparatus and method for synchronization of time information between mobile communication station and personal computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1758566A CN1758566A (en) | 2006-04-12 |
| CN100476686C true CN100476686C (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100691551A Expired - Fee Related CN100476686C (en) | 2004-10-05 | 2005-05-11 | Mobile communication terminal, time information synchronization device and method of personal computer |
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| KR (1) | KR100661557B1 (en) |
| CN (1) | CN100476686C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100912808B1 (en) | 2007-07-11 | 2009-08-18 | 한국전자통신연구원 | Vehicle clock synchronization using a navigation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20020065706A (en) * | 2001-02-07 | 2002-08-14 | 주식회사 데이타 피씨에스 | The time standardizing method which is used at the remote measuring data logger using PCS network |
| US20030084190A1 (en) * | 2001-10-25 | 2003-05-01 | Kimball Robert H. | Apparatus and system for maintaining accurate time in a wireless environment |
| KR100516895B1 (en) * | 2002-12-23 | 2005-09-23 | 한국전자통신연구원 | Method for synchoronizing time between mobile communication terminal and peripheral devices on Bluetooth network, and computer readable recording media for saving the same |
-
2004
- 2004-10-05 KR KR1020040079262A patent/KR100661557B1/en not_active IP Right Cessation
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| Publication number | Publication date |
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| KR100661557B1 (en) | 2006-12-27 |
| KR20060030413A (en) | 2006-04-10 |
| CN1758566A (en) | 2006-04-12 |
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