CN104040440A - Time Service Watch And Implementation Method Thereof - Google Patents
Time Service Watch And Implementation Method Thereof Download PDFInfo
- Publication number
- CN104040440A CN104040440A CN201280062653.1A CN201280062653A CN104040440A CN 104040440 A CN104040440 A CN 104040440A CN 201280062653 A CN201280062653 A CN 201280062653A CN 104040440 A CN104040440 A CN 104040440A
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- China
- Prior art keywords
- watch
- chip
- time
- time service
- wrist
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- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R60/00—Constructional details
- G04R60/06—Antennas attached to or integrated in clock or watch bodies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
A time service watch and an implementation method thereof. The time service watch comprises a shell, a watch chip, a big dipper chip and a big dipper antenna. The big dipper chip and big dipper antenna are arranged on the shell respectively. The watch chip is arranged inside the time service watch and connected to the big dipper antenna through a big dipper chip. The implementation method of the time service watch comprises: A. the big dipper antenna receiving a time signal (202) sent by a big dipper satellite; B. the big dipper chip obtaining the time signal (203) from the big dipper antenna; C. the big dipper chip performing signal demodulation processing on the time signal to form a digital time signal (204); D. the watch chip obtaining the digital time signal from the bid dipper chip and carrying out timing (205) for the watch. The time service watch can improve time accuracy on a watch.
Description
Time service wrist-watch and its implementation
Technology tool
The present invention relates to electro-mechanical arts, and in particular to a kind of time service wrist-watch and its implementation.Background technology
Wrist-watch is a kind of common timing tool, it is required for using wrist-watch in many occasions, importantly, the characteristic such as wrist-watch small volume, lightweight, easy to carry, can be applied to some particular surroundings, such as than in military field, either military exercises or actual operation, the time is all one of vital factor, therefore, in all configurations of soldier, wrist-watch is must be with one of equipment.But, the manoeuvre of modern society is under battle conditions carried out under the control of tele-control system, command centre is usual in the presence of very big distance with the distance between battlefield, want the instant order that command centre sends effectively to be performed, the time of command centre is just necessarily required to keep highly consistent with the wrist-watch time of belligerent personnel, existing wrist-watch precision is substantially difficult to meet above-mentioned requirements.
On the other hand, either army's manoeuvre or actual combat, or scientific investigation personnel investigate out of doors, also or the event, the single defect of existing watch function, the need for all can not meeting time situation such as outdoor exercises, seeking help in case of emergency.The content of the invention
The present invention provides a kind of time service wrist-watch and its implementation, it is possible to increase the accuracy of time on wrist-watch.
The invention provides a kind of time service wrist-watch, including shell, wristwatch chip, Big Dipper chip, Beidou antenna；Wherein,
The Big Dipper chip and the Beidou antenna are located on the shell respectively；
The wristwatch chip is located at the inside of the time service wrist-watch, and is connected by the Big Dipper chip with the Beidou antenna.
Described time service wrist-watch preferably further includes：Circuit controlling switch, it is arranged between the wristwatch chip and the Big Dipper chip.
Described time service wrist-watch preferably further includes：The sensor assembly being connected with the wristwatch chip, it is integrated with following two or a variety of：Direction sensor, temperature sensor, height sensor, pressure sensor.
Described time service wrist-watch preferably further includes：Display module, to show one or more of：
Time, direction, temperature, height, pressure.
The display module is preferably included：Display screen.
Described time service wrist-watch preferably further includes：Power supply.
The power supply is preferably rechargeable battery.
Present invention also offers the implementation method of a kind of any of the above-described kind time service wrist-watch, including：
A. Beidou antenna receives the time signal that big-dipper satellite is sent；
B. Big Dipper chip obtains the time signal from the Beidou antenna；
C. Big Dipper chip carries out signal demodulation process to the time signal, forms digit time signal；When.； '
Before step A, the implementation method preferably further includes：Circuit controlling switch is opened, makes the circuit between the Big Dipper chip and wristwatch chip in running order.
After step D, the implementation method preferably further includes：Shut-down circuit controlling switch, makes the circuit between the Big Dipper chip and wristwatch chip be in off working state.
Before step C, the implementation method preferably further includes：Sensor assembly gathers the site environment information residing for the time service wrist-watch, and the site environment information preferably includes following two or a variety of：Direction, temperature, height, pressure；
Then,
Step C preferably further includes：Chip for cell phone, which receives the site environment information from the sensor assembly and processing is carried out to it, forms Digital Field environmental information；Step D preferably further includes：Display module obtains the Digital Field environmental information and shown from the chip for cell phone.
The signal demodulation process preferably includes radio frequency processing and baseband signal decoding processing.
The time service in step D is preferably included：
The chip for cell phone by the digit time signal when, minute, second respectively with the former time in the time service wrist-watch when, minute, second is compared；
When the upper digit time signal in same time position is identical with the time of the former time, the chip for cell phone this when meta without correcting；
When the upper digit time signal in same time position is different from the time of the former time, the chip for cell phone is modified to meta when this.
After step D, the implementation method preferably further includes：Display module obtains the digit time signal from the wristwatch chip and shown.
The time service wrist-watch and its implementation provided by the present invention, can reach following beneficial effect：
1. the time service wrist-watch of the present invention includes shell, wristwatch chip, Big Dipper chip, Beidou antenna；Wherein, the Big Dipper chip and the Beidou antenna are located on the shell respectively；The wristwatch chip is located at the inside of the time service wrist-watch, and is connected by the Big Dipper chip with the Beidou antenna；The implementation method of the time service wrist-watch includes：A. Beidou antenna receives the time signal that big-dipper satellite is sent；B. Big Dipper chip obtains the time signal from the Beidou antenna；C. Big Dipper chip carries out signal demodulation process to the time signal, forms digit time signal；D. wristwatch chip obtains the digit time signal from the Big Dipper chip and carries out time service to wrist-watch.Beidou antenna receives the time signal that big-dipper satellite is sent, and carries out time service again to wrist-watch after being handled by itself, so as to reach that wrist-watch is synchronous with the big-dipper satellite time, consistent, and then improves the accuracy of wrist-watch time.Moreover, when many people need to be operated using the same time, the time service of the time service wrist-watch makes everyone wrist-watch have correct time, then can promote work it is smooth, successfully carry out.
2. the time service wrist-watch of the present invention further comprises circuit controlling switch, it is arranged between the wristwatch chip and the Big Dipper chip, so as to by being turned on and off circuit controlling switch, the circuit between wristwatch chip and Big Dipper chip is set to be in connection or notconnect state, and then time service process is in work or off working state, the power supply of time service wrist-watch is used in working condition, in power supply of the off working state without time service wrist-watch, and then the power consumption of time service wrist-watch is further saved.
3. the time service wrist-watch of the present invention also includes sensor assembly, it is integrated with following two or a variety of：Direction sensor, temperature sensor, height sensor, pressure sensor, site environment information residing for sensor assembly collection time service wrist-watch, and shown after being handled by wristwatch chip the site environment information of collection, so as to expand the practicality of the time service wrist-watch.
4. the power supply of time service wrist-watch of the present invention is rechargeable battery, the utilization rate of battery is improved.Brief description of the drawings is in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, cylinder will be made to the required accompanying drawing used in embodiment or description of the prior art below singly to introduce, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skills, on the premise of not paying creative work, other embodiments and its accompanying drawing can also be obtained according to these accompanying drawing illustrated embodiments.
Fig. 1 is the basic block diagram of time service wrist-watch in a specific embodiment of the invention；
Fig. 2 is the implementation method flow chart of time service wrist-watch in a specific embodiment of the invention；
Fig. 3 is the workflow diagram of time service in a specific embodiment of the invention.Embodiment carries out clear, complete description below with reference to accompanying drawing to the technical schemes of various embodiments of the present invention, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art's all other embodiment resulting on the premise of creative work is not made belongs to the scope that the present invention is protected.
The present invention provides a kind of time service wrist-watch, including shell, wristwatch chip, Big Dipper chip, Beidou antenna；Wherein,
The Big Dipper chip and the Beidou antenna are located on the shell respectively；
The wristwatch chip is located at the inside of the time service wrist-watch, and is connected by the Big Dipper chip with the Beidou antenna.
For the implementation method of time service wrist-watch this described, including：
A. Beidou antenna receives the time signal that big-dipper satellite is sent；
B. Big Dipper chip obtains the time signal from the Beidou antenna；
C. Big Dipper chip carries out signal demodulation process to the time signal, forms digit time signal；When.； '
Beidou antenna receives the time signal that big-dipper satellite is sent, and carries out time service again to wrist-watch after being handled by itself, so as to reach that wrist-watch is synchronous with the big-dipper satellite time, consistent, and then improves the accuracy of wrist-watch time.Moreover, when many people need to be operated using the same time, the time service of the time service wrist-watch makes everyone wrist-watch have correct time, then can promote work it is smooth, successfully carry out.
Next, the time service wrist-watch, such as Fig. 1 is described in detail by several specific embodiments by the present invention, it is shown：
The invention provides a kind of time service wrist-watch, including shell, wristwatch chip, Big Dipper chip, Beidou antenna；Wherein,
The Big Dipper chip and the Beidou antenna are located on the shell respectively；
The wristwatch chip be located at the time service wrist-watch inside, and by the Big Dipper chip with it is described
Beidou antenna is connected.
Described time service wrist-watch preferably further includes：Circuit controlling switch, it is arranged between the wristwatch chip and the Big Dipper chip.Pass through the control to circuit controlling switch, the connection of wristwatch chip and Big Dipper chip can be made in the relation for disconnecting or connecting, and then whole time service wrist-watch is in two kinds of mode of operations, a kind of general mode, Beidou antenna, Big Dipper chip do not work, off working state in dormancy, another mode of operation, Beidou antenna, Big Dipper chip, wristwatch chip enter work.Two kinds of working conditions can make some components in time service wrist-watch not apply to power source in off position, and then reach the effect of energy-conservation, so as to extend the usage cycles of power source.
The edge of usual shell passes through two table ears of housing center provided with Relative distribution and interconnecting line.Two table ears can be with a position for being arranged on for six o'clock, and another is arranged on ten two points of position.Wherein, the installation site of Beidou antenna, Big Dipper chip on shell can arbitrarily be set, such as：Beidou antenna is located therein at a table ear；Big Dipper chip is located therein at another table ear.
In certain embodiments, there is annexation between Big Dipper chip and Beidou antenna, this annexation can use any annexation between existing electronic device, such as：Wireless connection, wired connection or other connected modes.
Wristwatch chip is a critical component of time service wrist-watch, and it is located at the inside of wrist-watch, i.e., covered by shell.
Beidou antenna can be used for receiving the time signal in big-dipper satellite, and Big Dipper chip is analyzed the time signal, signal be carried out to be converted into digital form, wristwatch chip then carries out time service according to the digit time signal being converted into.
In certain embodiments, in order to increase the feature and practicality of time service wrist-watch, described time service wrist-watch preferably further includes：The sensor assembly being connected with the wristwatch chip, it is integrated with following two or a variety of：Direction sensor, temperature sensor, height sensor, pressure sensor.The sensor assembly is used to gather the signal such as the direction of site environment, temperature, height, pressure residing for time service wrist-watch, then shown after being handled by wristwatch chip in time service wrist-watch, user is set to be better understood by environment, and then using the various activities for being adapted to environment.In order to adapt to wrist-watch small form factor requirements, the sensor assembly of aforementioned four sensor integration is a circuit board, is installed on shell.
In certain embodiments, in order to which the site environment information to time, sensor assembly collection carries out being shown to time service wrist-watch user, described time service wrist-watch preferably further includes：Display module, to show one or more of：Time, direction, temperature, height, pressure.
The display module can show the electronic device of the above using existing any one, such as：The display module is preferably included：Display screen, and the display screen is usually liquid crystal display（LCD ).
Display module also includes pointer, and it can show the time.
In certain embodiments, time service wrist-watch preferably further includes for institute：Power supply.Power supply can provide power resources for time service wrist-watch.Because time service wrist-watch needs to receive the signal of big-dipper satellite, and analyzed, it is therefore desirable to which dynamic source, the machine power of cylinder list is difficult to complete this function, therefore, generally using electric power source.
On the connection of power supply, one end of power supply and the connection of Big Dipper chip, the other end are connected with wristwatch chip.
In order to improve the practicality of power supply and recycle effect, the power supply is preferably rechargeable battery.By constantly charging, power supply can be used for multiple times, and both efficent use of resources or preferably adapt to the use environment of time service wrist-watch.
In order to which further time service wrist-watch is described, the implementation method of time service wrist-watch is described followed by specific embodiment, as shown in Figure 2：
Step 201, circuit controlling switch is opened, makes the circuit between Big Dipper chip and wristwatch chip in running order；
Open after circuit controlling switch, Big Dipper chip and wristwatch chip set up connection, can carry out Big Dipper satellite signal reception, processing, time service.
Step 202, Beidou antenna receives the time signal that big-dipper satellite is sent；
Beidou antenna can receive the time signal that big-dipper satellite is sent using any of which.
Step 203, Big Dipper chip obtains time signal from Beidou antenna；
This acquisition modes can use various forms, such as：Time signal is sent to Big Dipper chip by Beidou antenna；Or Big Dipper chip is from Beidou antenna read access time signal etc..
Step 204, Big Dipper chip carries out signal demodulation process to time signal, forms digit time signal；This signal demodulation process includes radio frequency processing and baseband signal decoding is handled, it is therefore an objective to say that time signal is converted into the digit time signal of digital form.
Step 205, wristwatch chip obtains the digit time signal from Big Dipper chip and carries out time service to wrist-watch；
Time service includes：
The chip for cell phone by the digit time signal when, minute, second respectively with the former time in the time service wrist-watch when, minute, second is compared；
When the upper digit time signal in same time position is identical with the time of the former time, the chip for cell phone this when meta without correcting；
It is described when the upper digit time signal in same time position is different from the time of the former time
Chip for cell phone is modified to meta when this.
Detailed process is shown in Fig. 3.
Wherein in different specific embodiments, can on time, the check and correction of the order of minute, second, it would however also be possible to employ the second, part, when order or other orders.
Step 206, display module obtains digit time signal from wristwatch chip and shown；
Display module is usually pointer or electronic display, and when display mode is usually, minute, second form shows.
Step 207, shut-down circuit controlling switch, makes the circuit between the Big Dipper chip and wristwatch chip be in off working state；
Big Dipper chip, Beidou antenna are in off working state, do not use power source, save energy, extend energy use time.
Step 208, the site environment information residing for sensor assembly collection time service wrist-watch；
Site environment information includes following two or a variety of：Direction, temperature, height, pressure.The practicality of time service wrist-watch can be improved by collection site environmental information, feature is improved.
Step 209, chip for cell phone, which receives site environment information from sensor assembly and processing is carried out to it, forms Digital Field environmental information；
This processing can be by the way of existing any collection signal progress processing formation digital form signal to sensor, such as：Filtering, amplification and A/D conversions etc..
Step 210, display module obtains Digital Field environmental information and shown from chip for cell phone.
Need exist for explanation be, in certain embodiments, the combination step carry out order exchange that step 208, step 209 and step 210 can be with the formation of step 203 above, step 204, step 205, step 206 and step 207 as a combination step.Two combination steps can also be carried out simultaneously.Order between step 206 and step 207 can also be exchanged, and both can just be disconnected after wristwatch chip is obtained from Big Dipper chip, and subsequent wristwatch chip is worked on, and display module is shown.
The time service wrist-watch and its implementation provided by the present invention, can reach following beneficial effect：1. the time service wrist-watch of the present invention includes shell, wristwatch chip, Big Dipper chip, Beidou antenna；Wherein, the Big Dipper chip and the Beidou antenna are located on the shell respectively；The wristwatch chip is located at the inside of the time service wrist-watch, and is connected by the Big Dipper chip with the Beidou antenna；The implementation method of the time service wrist-watch includes：A. Beidou antenna receives the time signal that big-dipper satellite is sent；B. Big Dipper chip obtains the time signal from the Beidou antenna；C. Big Dipper chip carries out signal demodulation process to the time signal, forms digit time signal；D. wristwatch chip obtains the digit time signal from the Big Dipper chip and carries out time service to wrist-watch.Beidou antenna receives the when that big-dipper satellite sends
Between signal, by itself handle after to wrist-watch carry out time service again, so as to reach that wrist-watch is synchronous with the big-dipper satellite time, consistent, and then improve the accuracy of wrist-watch time.Moreover, when many people need to be operated using the same time, the time service of the time service wrist-watch makes everyone wrist-watch have correct time, then can promote work it is smooth, successfully carry out.
2. the time service wrist-watch of the present invention further comprises circuit controlling switch, it is arranged between the wristwatch chip and the Big Dipper chip, so as to by being turned on and off circuit controlling switch, the circuit between wristwatch chip and Big Dipper chip is set to be in connection or notconnect state, and then time service process is in work or off working state, the power supply of time service wrist-watch is used in working condition, in power supply of the off working state without time service wrist-watch, and then the power consumption of time service wrist-watch is further saved.
3. the time service wrist-watch of the present invention also includes sensor assembly, it is integrated with following two or a variety of：Direction sensor, temperature sensor, height sensor, pressure sensor, site environment information residing for sensor assembly collection time service wrist-watch, and shown after being handled by wristwatch chip the site environment information of collection, so as to expand the practicality of the time service wrist-watch.
4. the power supply of time service wrist-watch of the present invention is rechargeable battery, the utilization rate of battery is improved.
The various embodiments that the present invention is provided can be mutually combined in any way as needed, the technical scheme obtained by this combination, also within the scope of the invention.The spirit and scope of invention.So, if to the present invention these modifications and variations belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention also comprising these change and modification including.
Claims (14)
- Claim1. a kind of time service wrist-watch, it is characterised in that including shell, wristwatch chip, Big Dipper chip, Beidou antenna；Wherein,The Big Dipper chip and the Beidou antenna are located on the shell respectively；The wristwatch chip is located at the inside of the time service wrist-watch, and is connected by the Big Dipper chip with the Beidou antenna.2. time service wrist-watch as claimed in claim 1, it is characterised in that further comprise：Circuit controlling switch, it is arranged between the wristwatch chip and the Big Dipper chip.3. time service wrist-watch as claimed in claim 1, it is characterised in that further comprise：The sensor assembly being connected with the wristwatch chip, it is integrated with following two or a variety of：Direction sensor, temperature sensor, height sensor, pressure sensor.4. time service wrist-watch as claimed in claim 3, it is characterised in that further comprise：Display module, to show one or more of：Time, direction, temperature, height, pressure.5. time service wrist-watch as claimed in claim 4, it is characterised in that the display module includes：Display screen.6. the time service wrist-watch as described in claim 1-5 is any, it is characterised in that further comprise：Power supply.7. time service wrist-watch as claimed in claim 6, it is characterised in that the power supply is rechargeable battery.8. a kind of implementation method of any time service wrist-watches of claim 1-7, it is characterised in that including：A. Beidou antenna receives the time signal that big-dipper satellite is sent；B. Big Dipper chip obtains the time signal from the Beidou antenna；C. Big Dipper chip carries out signal demodulation process to the time signal, forms digit time signal；When.； '9. the implementation method of time service wrist-watch as claimed in claim 8, it is characterised in that before step A, the implementation method further comprises：Circuit controlling switch is opened, makes the circuit between the Big Dipper chip and wristwatch chip in running order.10. the implementation method of time service wrist-watch as claimed in claim 9, it is characterised in that after step D, the implementation method further comprises：Shut-down circuit controlling switch, make the Big Dipper chip and Circuit between wristwatch chip is in off working state.11. the implementation method of time service wrist-watch as claimed in claim 8, it is characterised in that before step C, the implementation method further comprises：Sensor assembly gathers the site environment information residing for the time service wrist-watch, and the site environment information includes following two or a variety of：Direction, temperature, height, pressure；Then,Step C further comprises：Chip for cell phone, which receives the site environment information from the sensor assembly and processing is carried out to it, forms Digital Field environmental information；Step D further comprises：Display module obtains the Digital Field environmental information and shown from the chip for cell phone.12. the implementation method of the time service wrist-watch as described in claim 8-11 is any, it is characterised in that the signal demodulation process includes radio frequency processing and baseband signal decoding is handled.13. the implementation method of the time service wrist-watch as described in claim 8-11 is any, it is characterised in that the time service in step D includes：The chip for cell phone by the digit time signal when, minute, second respectively with the former time in the time service wrist-watch when, minute, second is compared；When the upper digit time signal in same time position is identical with the time of the former time, the chip for cell phone this when meta without correcting；When the upper digit time signal in same time position is different from the time of the former time, the chip for cell phone is modified to meta when this.14. the implementation method of the time service wrist-watch as described in claim 8-11 is any, it is characterised in that after step D, the implementation method further comprises：Display module obtains the digit time signal from the wristwatch chip and shown.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/084158 WO2014071559A1 (en) | 2012-11-06 | 2012-11-06 | Time service watch and implementation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104040440A true CN104040440A (en) | 2014-09-10 |
Family
ID=50683903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280062653.1A Pending CN104040440A (en) | 2012-11-06 | 2012-11-06 | Time Service Watch And Implementation Method Thereof |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2015513089A (en) |
| CN (1) | CN104040440A (en) |
| HK (1) | HK1197303A1 (en) |
| WO (1) | WO2014071559A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281050A (en) * | 2014-09-24 | 2015-01-14 | 得利时钟表（深圳）有限公司 | Timing device of electronic watch |
| CN105511257B (en) * | 2015-12-30 | 2018-09-25 | 柳州天运寰通科技有限公司 | The Big Dipper can tame and docile time service method and the automatic time service wrist-watch of the Big Dipper |
| CN114035420B (en) * | 2021-12-03 | 2023-02-07 | 北斗天汇（北京）科技有限公司 | Watch with Beidou short message function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090129208A1 (en) * | 2009-01-28 | 2009-05-21 | Weiss Kenneth P | Apparatus, system and method for keeping time |
| CN201307222Y (en) * | 2008-11-17 | 2009-09-09 | 东莞洲进电子塑胶五金有限公司 | Satellite signal source watch |
| CN102033489A (en) * | 2010-12-16 | 2011-04-27 | 成都天奥电子股份有限公司 | Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
| CN102323743A (en) * | 2010-05-12 | 2012-01-18 | 精工爱普生株式会社 | Electronic equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122130A (en) * | 2010-12-16 | 2011-07-13 | 成都天奥电子股份有限公司 | Second generation Beidou satellite time service watch and implementation method thereof |
| CN102141774A (en) * | 2010-12-17 | 2011-08-03 | 成都天奥电子股份有限公司 | Quick time service device and method for Beidou watch |
-
2012
- 2012-11-06 WO PCT/CN2012/084158 patent/WO2014071559A1/en active Application Filing
- 2012-11-06 CN CN201280062653.1A patent/CN104040440A/en active Pending
- 2012-11-06 JP JP2014560218A patent/JP2015513089A/en active Pending
-
2014
- 2014-10-22 HK HK14110545A patent/HK1197303A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307222Y (en) * | 2008-11-17 | 2009-09-09 | 东莞洲进电子塑胶五金有限公司 | Satellite signal source watch |
| US20090129208A1 (en) * | 2009-01-28 | 2009-05-21 | Weiss Kenneth P | Apparatus, system and method for keeping time |
| CN102323743A (en) * | 2010-05-12 | 2012-01-18 | 精工爱普生株式会社 | Electronic equipment |
| CN102033489A (en) * | 2010-12-16 | 2011-04-27 | 成都天奥电子股份有限公司 | Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1197303A1 (en) | 2015-01-09 |
| WO2014071559A1 (en) | 2014-05-15 |
| JP2015513089A (en) | 2015-04-30 |
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