CN106200369A - A kind of time service method based on mobile phone flashlight - Google Patents
A kind of time service method based on mobile phone flashlight Download PDFInfo
- Publication number
- CN106200369A CN106200369A CN201610825455.6A CN201610825455A CN106200369A CN 106200369 A CN106200369 A CN 106200369A CN 201610825455 A CN201610825455 A CN 201610825455A CN 106200369 A CN106200369 A CN 106200369A
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- China
- Prior art keywords
- time
- mobile phone
- time service
- flashlight
- service method
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of time service method based on mobile phone flashlight.The present invention obtains the network standard time by mobile phone, then utilizes mobile phone flashlight that time device is carried out wireless time service and control, to reach time calibration.The present invention, based on visible ray wireless communication technology, obtains the network standard time by mobile phone, utilizes mobile phone flashlight that time device is carried out wireless time service, reaches convenience, flexibly time calibration；Solve problem time calibration of Code in Hazardous Special Locations time device, it is ensured that time device shows the standard time accurately；And low cost of the present invention, easy to use.
Description
Technical field
The present invention relates to a kind of time service method based on mobile phone flashlight.
Background technology
The activity of the mankind is had great importance by unified time reference, and the acquisition time device that people commonly use mainly has
Clock and watch etc., there is regular hour error (or power down quits work) in common time equipment after long time running, and these are deposited
Time device in error will result in harmful effect to our live and work.It is thus desirable to be there is the time of error in these
Equipment carries out calibrating (or re-powering time service), and some time device uses access interconnected network mode to carry out time service at present, but
Relatively costly, use complex.
Summary of the invention
In order to improve the problems referred to above, the invention provides a kind of time service method based on mobile phone flashlight.
To achieve these goals, the present invention is by the following technical solutions:
A kind of time service method based on mobile phone flashlight, obtains the network standard time by mobile phone, then utilizes mobile phone flashlight
Time device is carried out wireless time service and control, to reach time calibration.
Further, described mobile phone and time device are to utilize visible ray wireless communication technology to carry out information transmission.
Yet further, described time device includes dodging the light sensor matched of turning off the light, this light sensor with mobile phone
Device is for gathering the strobe signal of mobile phone flashlight.
Further, described time device also includes the time controller for regulating time, decoder, photoelectricity A/D
Transducer；Described decoder is connected with time controller；Described photoelectricity A/D converter respectively with light sensor and decoder phase
Even.
It addition, described mobile phone realizes the transmission of strobe signal by controlling flash lamp switch.
Compared with prior art, the method have the advantages that
The present invention, based on visible ray wireless communication technology, obtains the network standard time by mobile phone, when utilizing mobile phone flashlight pair
Between equipment carry out wireless time service, reach convenient, time calibration flexibly；The time calibration solving Code in Hazardous Special Locations time device asks
Topic, it is ensured that time device shows the standard time accurately；And low cost of the present invention, easy to use.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the schematic flow sheet of the present invention.
Fig. 4 is the optical communication data frame structure schematic diagram of the present invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, and embodiments of the present invention include but not limited to
The following example.
Embodiment
As shown in Figures 1 to 3, present embodiments providing a kind of time service method based on mobile phone flashlight, the method is to pass through
Mobile phone obtains the network standard time, then utilizes mobile phone flashlight time device to be carried out wireless time service and control, during to reach
Between calibrate.
Specifically, described mobile phone and time device are to utilize visible ray wireless communication technology to carry out information transmission.
Specifically, described time device includes dodging, with mobile phone, the light sensor matched of turning off the light, and this light sensor is used
In the strobe signal gathering mobile phone flashlight.
Specifically, described time device also includes that the time controller for regulating time, decoder, photoelectricity A/D change
Device；Described decoder is connected with time controller；Described photoelectricity A/D converter is connected with light sensor and decoder respectively.
Specifically, described mobile phone realizes the transmission of strobe signal by controlling flash lamp switch.
Wherein, it is seen that light wireless communication technology is the technology utilizing visible ray to carry out wireless data transmission, it is characterized in profit
Control luminous body generation high speed strobe signal with the signal of telecommunication and transmit information.
Time device in the present invention: gathered the high speed strobe signal of mobile phone flashlight by light sensor, then enter
Row opto-electronic conversion, information decodes, and is finally updated the temporal information of time device by time controller.
The workflow of the present invention is as follows:
Obtaining the network standard time by mobile phone, then control flash lamp and send optical signal, light sensor gathers flash lamp and sends out
The optical signal gone out, then carries out opto-electronic conversion and demodulation, and determines whether effective order, carries out in the case of order is effective
Determine whether that time calibration orders, finally carry out time calibration.
As shown in Figure 4, the present invention provides the example of a kind of data frame structure, including:
Lead code: its effect is to inform that signal receiving end will send useful signal, time device receiving terminal can by lead code
Judge that signal is useful signal or interference signal, it is judged that for being then decoded time service during useful signal, otherwise ignore and do not decode.
Its word length can use 8 bit binary data positions.Wherein mobile phone flashlight is bright represents binary coding 1, and mobile phone flashlight goes out can
Represent binary coding 0.
Command word: regulation flash lamp sends the command type of data, can represent with 2.Such as 0 × 00 can represent mandate
Order, 0 × 01,0 × 10,0 × 11 can represent that other are ordered.
Type/length: data type/frame length, available 8 bit data positions.
Data division: useful signal data, comprises standard time information, year (12), the moon (4), day (5), time (5
Position), point (6), second (6), millisecond (10).
Check bit: error check method, for checking the correctness of one group of data, it is judged that the poorest during transmission
Mistake, whether the data bit of reception has inerrancy, available 4 bit data positions.
This schematic data frame length is 70, dodges 1 time if flash lamp flicker frequency is 1000Hz, 1ms, then needs 70ms
Transmitting frame data, i.e. time service once (channel time delay can be ignored), at this moment time service precision is 70ms.If controlling flash lamp to dodge
Bright frequency is 5000Hz, then time service precision can be risen to 14ms.
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is, before above-mentioned design principle
Put, for solving same technical problem, even if some made on architecture basics disclosed in this invention are without substantial
Changing or polishing, the essence of the technical scheme used is still as the present invention, therefore it should also be as the protection model in the present invention
In enclosing.
Claims (5)
1. a time service method based on mobile phone flashlight, it is characterised in that obtain network standard time, then profit by mobile phone
With mobile phone flashlight, time device is carried out wireless time service and control, to reach time calibration.
A kind of time service method based on mobile phone flashlight the most according to claim 1, it is characterised in that described mobile phone and time
Between equipment be to utilize visible ray wireless communication technology to carry out information transmission.
A kind of time service method based on mobile phone flashlight the most according to claim 2, it is characterised in that described time device
Dodging, including with mobile phone, the light sensor matched of turning off the light, this light sensor is for gathering the strobe signal of mobile phone flashlight.
A kind of time service method based on mobile phone flashlight the most according to claim 3, it is characterised in that described time device
Also include the time controller for regulating time, decoder, photoelectricity A/D converter；Described decoder and time controller phase
Even；Described photoelectricity A/D converter is connected with light sensor and decoder respectively.
5. according to a kind of based on mobile phone flashlight the time service method described in any one of Claims 1 to 4, it is characterised in that institute
State mobile phone and realize the transmission of strobe signal by controlling flash lamp switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825455.6A CN106200369B (en) | 2016-09-14 | 2016-09-14 | A kind of time service method based on mobile phone flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825455.6A CN106200369B (en) | 2016-09-14 | 2016-09-14 | A kind of time service method based on mobile phone flashlight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106200369A true CN106200369A (en) | 2016-12-07 |
| CN106200369B CN106200369B (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610825455.6A Active CN106200369B (en) | 2016-09-14 | 2016-09-14 | A kind of time service method based on mobile phone flashlight |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515529A (en) * | 2017-08-31 | 2017-12-26 | 东莞市康永电子科技有限公司 | A kind of setting means and system of hotel's alarm clock |
| CN107656435A (en) * | 2017-10-20 | 2018-02-02 | 成都天奥电子股份有限公司 | A kind of time service method based on sound wave |
| CN108628143A (en) * | 2017-03-20 | 2018-10-09 | Eta瑞士钟表制造股份有限公司 | Method for setting quartz watch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201837849U (en) * | 2010-10-23 | 2011-05-18 | 刘继志 | Digital clock system with remote controller |
| US20120213040A1 (en) * | 2011-02-22 | 2012-08-23 | Casio Computer Co., Ltd. | Electronic timepiece |
| CN205091918U (en) * | 2015-09-22 | 2016-03-16 | 新乡市助安交通设施有限公司 | Traffic green sea guide indicating system |
-
2016
- 2016-09-14 CN CN201610825455.6A patent/CN106200369B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201837849U (en) * | 2010-10-23 | 2011-05-18 | 刘继志 | Digital clock system with remote controller |
| US20120213040A1 (en) * | 2011-02-22 | 2012-08-23 | Casio Computer Co., Ltd. | Electronic timepiece |
| CN205091918U (en) * | 2015-09-22 | 2016-03-16 | 新乡市助安交通设施有限公司 | Traffic green sea guide indicating system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628143A (en) * | 2017-03-20 | 2018-10-09 | Eta瑞士钟表制造股份有限公司 | Method for setting quartz watch |
| CN108628143B (en) * | 2017-03-20 | 2020-06-23 | Eta瑞士钟表制造股份有限公司 | Method for setting quartz watch |
| CN107515529A (en) * | 2017-08-31 | 2017-12-26 | 东莞市康永电子科技有限公司 | A kind of setting means and system of hotel's alarm clock |
| CN107656435A (en) * | 2017-10-20 | 2018-02-02 | 成都天奥电子股份有限公司 | A kind of time service method based on sound wave |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106200369B (en) | 2018-11-13 |
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