CN103560835A - Information receiving device based on photosensitive tube and information receiving method thereof - Google Patents
Information receiving device based on photosensitive tube and information receiving method thereof Download PDFInfo
- Publication number
- CN103560835A CN103560835A CN201310525979.XA CN201310525979A CN103560835A CN 103560835 A CN103560835 A CN 103560835A CN 201310525979 A CN201310525979 A CN 201310525979A CN 103560835 A CN103560835 A CN 103560835A
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- stc11f01
- counter
- information
- phototriode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Optical Communication System (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an information receiving device based on a photosensitive tube. The information receiving device based on the photosensitive tube comprises a shell, a visible light information receiving circuit is arranged inside the shell, and the visible light information receiving circuit comprises a phototriode, an amplification filter circuit and a single chip microcomputer which is connected with a clock circuit. According to the information receiving device based on the photosensitive tube, the phototriode is used for receiving LED lamplight which is generated by the way of driving of lighting equipment with an information transmission function through modulating signals of different frequencies, the signals generated by the phototriode are used for controlling an amplification triode to be connected or disconnected, and signal input is achieved through the high-low level generated by the amplification triode in an input pin of a counter of the single chip microcomputer in the connecting and disconnecting process; then, the single chip microcomputer which is connected with the clock circuit and has the function of the counter is adopted, the signal frequencies received by the input pin of the counter are calculated in a fixed cycle, the different signal frequencies are made to correspond to the encoding code values of '0' and '1' of an ASCII respectively, transmission information is obtained ultimately, and automatic identification and storage can be carried out.
Description
Technical field
The present invention relates to a kind of information receiver and message receiving method based on photosensitive tube, belong to visible ray wireless receiving field, relate in particular to a kind of information receiver and message receiving method based on photosensitive tube.
Background technology
At present, traditional visible ray receive mode mainly receives " strong, weak " of source light " have, without " or light intensity by light sensor, with " 0 ", " 1 " two states of representation signal.This traditional mode of utilizing visible ray to carry out information transmission, reception, in message transmitting procedure, light source will inevitably produce light and dark scintillation.If both required light source to keep normal illumination, also to carry out communication simultaneously, above-mentioned traditional visible ray receive mode all can cause occurring the perceptible light and shade scintillation of human eye, cannot arrive setting requirement.
Summary of the invention
The object of this invention is to provide a kind of information receiver and message receiving method based on photosensitive tube, can receive the lighting apparatus with information transfer capability and utilize different frequency modulation signal to drive the LED light producing, and the data message that sends of automatic discrimination storage lighting apparatus.
The present invention adopts following technical proposals:
A kind of information receiver based on photosensitive tube, comprise housing, in housing, be provided with visible ray Information Receiving Circuits, visible ray Information Receiving Circuits comprises phototriode, filtering and amplifying circuit and is connected with the single-chip microcomputer of clock circuit, the collector electrode of phototriode connects power supply, and the emitter of phototriode connects the positive pole of diode; The emitter of phototriode is also by the first grounding through resistance; The negative pole of diode connects the base stage of amplifying triode, and the negative pole of diode is also by the first capacity earth; The collector electrode of amplifying triode connects power supply by the second resistance; The collector electrode of amplifying triode also connects the counter input pin of single-chip microcomputer; The collector electrode of amplifying triode is also by the second capacity earth; The grounded emitter of amplifying triode.
Described single-chip microcomputer adopts STC11F01 single-chip microcomputer, clock circuit comprises quartz crystal oscillator device, the two ends of quartz crystal oscillator device connect respectively XTAL1 and the XTAL2 pin of STC11F01 single-chip microcomputer, and the series circuit that the 3rd electric capacity and the 4th electric capacity form is connected in parallel on quartz crystal oscillator device two ends.
Described STC11F01 single-chip microcomputer is connected with electrify restoration circuit and switch reset circuit; Electrify restoration circuit comprises the 5th electric capacity and the 3rd resistance of series connection, the positive pole of the 5th electric capacity connects power supply, the negative pole of the 5th electric capacity connects the 3rd resistance first end, the 3rd resistance the second end ground connection, the RST pin of STC11F01 single-chip microcomputer is connected between the 5th electric capacity negative pole and the 3rd resistance first end; Switch reset circuit comprises the reset button with the 5th Capacitance parallel connection.
Information receiver based on photosensitive tube described in claim 1 carries out a method for information reception, comprises the following steps:
A: the lighting apparatus that utilizes phototriode reception to have information transfer capability drives the LED light producing by different frequency modulation signal;
B: utilize conducting and the cut-off of the signal controlling amplifying triode that phototriode produces, the low and high level producing at the counter input pin of single-chip microcomputer when conducting and the cut-off by amplifying triode is realized signal input;
C: adopt the single-chip microcomputer that is connected with clock circuit and there is counter function, calculate the signal frequency that fixed cycle inside counting device input pin receives, and by different signal frequency difference corresponding A SCII coding code values " 0 " and " 1 ", finally obtain transmitted information.
Described single-chip data receiving velocity is 1000bps, and each gate time is fixed as 700 μ s, twice counting intervals 300 μ s.
Described single-chip microcomputer receiving data frames form is lead code+8 or 16 bit data, does not send check code; STC11F01 single-chip microcomputer, after receiving correct lead code, starts to receive follow- up 8 or 16 bit data after time delay 300 μ s, lead code is binary " 00000000 ".
In each gate time, the ASCII character value corresponding relation of the count value that the counter of STC11F01 single-chip microcomputer obtains and representative is
Count value is 2 or 3 o'clock, and corresponding ASCII character value is " 0 ";
Count value is 5 or 6 o'clock, and corresponding ASCII character value is " 1 ".
Described STC11F01 single-chip microcomputer receives take character and receives as unit in letter process, the time interval between character and character is any, and in each character, everybody transmitted with the set time.
When receiving lead code, if front 5 of continuous counter values that the counter of STC11F01 single-chip microcomputer obtains in a gate time 11333 o'clock, normal 5 lead codes of residue that receive; If first 5 of the continuous counter value that the counter of STC11F01 single-chip microcomputer obtains in a gate time is not, according to following state, carry out time delay adjustment at 11333 o'clock:
(1) continuous 5 count values are " ... 00133 ", only time delay are next time adjusted into 600 μ s, continue to receive 5 lead codes of residue;
(2) continuous 5 count values are " ... 11233 ", only time delay are next time adjusted into 550 μ s, continue to receive 5 lead codes of residue;
(3) continuous 5 count values are " ... 11222 ", only time delay are next time adjusted into 360 μ s, continue to receive 5 lead codes of residue;
(4) continuous 5 count values are " ... 00222 ", only time delay are next time adjusted into 550 μ s, continue to receive 5 lead codes of residue.
The lighting apparatus that the present invention utilizes phototriode reception to have information transfer capability drives the LED light producing by different frequency modulation signal, conducting and the cut-off of the signal controlling amplifying triode producing by phototriode, the low and high level producing at the counter input pin of single-chip microcomputer in conducting and when cut-off with amplifying triode is realized signal input; Then adopt the single-chip microcomputer that is connected with clock circuit and there is counter function, calculate the signal frequency that fixed cycle inside counting device input pin receives, and by different signal frequency difference corresponding A SCII coding code values " 0 " and " 1 ", finally obtain transmitted information, carry out automatic discrimination storage.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention;
Fig. 2 is the sequential chart of 5 kinds of synchronous and asynchronous collection signals of the present invention.
Embodiment
Information receiver based on photosensitive tube of the present invention comprises housing, is provided with visible ray Information Receiving Circuits in housing.As shown in Figure 1, visible ray Information Receiving Circuits comprises phototriode T1, filtering and amplifying circuit and is connected with the single-chip microcomputer of clock circuit.The collector electrode of phototriode T1 connects power supply, and the emitter of phototriode T1 connects the positive pole of diode D1; The emitter of phototriode T1 is also by the first resistance R 1 ground connection; The negative pole of diode D1 connects the base stage of amplifying triode T2, and the negative pole of diode D1 is also by the first capacitor C 1 ground connection; The collector electrode of amplifying triode T2 connects power supply by the second resistance; The collector electrode of amplifying triode T2 also connects the counter input pin of single-chip microcomputer; The collector electrode of amplifying triode T2 is also by the second capacitor C 2 ground connection; The grounded emitter of amplifying triode T2.
Single-chip microcomputer adopts STC11F01 single-chip microcomputer, and STC11F01 single-chip microcomputer is connected with clock circuit and has counter function.Clock circuit comprises quartz crystal oscillator device Y, and the two ends of quartz crystal oscillator device Y connect respectively XTAL1 and the XTAL2 pin of STC11F01 single-chip microcomputer, and the series circuit that the 3rd capacitor C 3 and the 4th capacitor C 4 form is connected in parallel on quartz crystal oscillator device Y two ends.The present invention adopts internal clock pattern, utilize the oscillating circuit of STC11F01 single-chip microcomputer inside, external by a quartz crystal oscillator device Y and two timing elements that capacitor C 3, C4 form on XTAL1 and XTAL2 pin, STC11F01 single-chip microcomputer internal oscillator just can produce self-oscillation.The P1.2-P1.5 pin of STC11F01 single-chip microcomputer is connected with respectively push-button switch as input unit, can when setup parameter, use.
STC11F01 single-chip microcomputer is also connected with electrify restoration circuit and switch reset circuit; Electrify restoration circuit comprises the 5th capacitor C 5 and the 3rd resistance R 3 of series connection, the positive pole of the 5th capacitor C 5 connects power supply, the negative pole of the 5th capacitor C 5 connects the 3rd resistance R 3 first ends, the 3rd resistance R 3 second end ground connection, the RST pin of STC11F01 single-chip microcomputer is connected between the 5th capacitor C 5 negative poles and the 3rd resistance R 3 first ends.Power connection moment, voltage has all been added in the 3rd resistance R 3, and RST is input as height, and STC11F01 single-chip microcomputer is reset.Along with+5V power supply is to the 3rd capacitor C 5 chargings, and the voltage in the 3rd resistance R 3 reduces gradually, and finally approximating 0, STC11F01 single-chip microcomputer can work.Switch reset circuit comprises the reset button K1 in parallel with the 5th capacitor C 5.When reset button K1 is pressed, can not realize electrification reset, after the normal operation of STC11F01 single-chip microcomputer, by pressing reset button K1, make RST pin occur that high level reaches the effect of hand-reset.
Visible ray Information Receiving Circuits is when work, and phototriode T1 has information transfer capability lighting apparatus for receiving drives the high frequency flicker LED light signal producing by different frequency modulation signal.When unglazed photograph, phototriode T1 and amplifying triode T2 are all in cut-off state, and the counter pin T0 of STC11F01 single-chip microcomputer is in high level; When having illumination, phototriode T1 and amplifying triode T2 are all in conducting state, and now the counter pin T0 of STC11F01 single-chip microcomputer is in low level.Therefore the low and high level, producing at the counter pin T0 of STC11F01 single-chip microcomputer in conducting and when cut-off by amplifying triode T2 can be realized signal input.Visible ray Information Receiving Circuits is according to the Transmission bit rate of receiving-transmitting sides communication protocol regulation, " 0 ", " 1 " variable condition of different frequency counter pin T0 being received with the cycle of fixing are counted, then according to count values different in the fixed cycle, distinguish corresponding ASCII coding code value, finally obtain having the information of the lighting apparatus transmission of information transfer capability.
In the present embodiment, single-chip data receiving velocity is 1000bps; Each gate time is fixed as 700 μ s, twice counting intervals 300 μ s.The information receiving adopts ASCII coding, and data frame format is lead code+8 or 16 bit data, does not send check code; Lead code is binary " 00000000 ", synchronous as receiving-transmitting sides.When STC11F01 single-chip microcomputer is receiving after correct lead code, after time delay 300 μ s, start to receive follow- up 8 or 16 bit data.At STC11F01 single-chip microcomputer, receive in letter process, the character of take receives as unit, and the time interval between character and character is any, and in each character, everybody transmitted with the set time.In each gate time, the ASCII character value corresponding relation of the count value that the counter of STC11F01 single-chip microcomputer obtains and representative is
Count value is 2 or 3 o'clock, and corresponding ASCII character value is " 0 ";
Count value is 5 or 6 o'clock, and corresponding ASCII character value is " 1 ".
When receiving lead code, first continuous 5 count values that STC11F01 monolithic counter obtained in a gate time judge: because correct lead code is binary " 00000000 ", the continuous counter value that the STC11F01 monolithic counter corresponding with it obtains in a gate time should be " ... 1133333333 "; Therefore, as shown in true sync section in Fig. 2, if in a gate time, obtain when STC11F01 monolithic counter continuous 5 count values 11333 time, STC11F01 single-chip microcomputer is normally received to 5 lead codes of residue; If first 5 of the continuous counter value that the counter of STC11F01 single-chip microcomputer obtains in a gate time is not, according to following state, carry out time delay adjustment at 11333 o'clock:
(1), as shown in pseudo-synchronous 1 part in Fig. 2, continuous 5 count values be " ... 00133 ", only time delay are next time adjusted into 600 μ s, continue reception and remain 5 lead codes; Through time delay adjustment, this counting sequence receiving should be " ... 0013333333 ", and STC11F01 single-chip microcomputer confirms correctly to receive lead code " 00000000 ", then receives follow-up 8 character informations;
(2), as shown in pseudo-synchronous 2 parts in Fig. 2, continuous 5 count values be " ... 11233 ", only time delay are next time adjusted into 550 μ s, continue reception and remain 5 lead codes; Through time delay adjustment, this counting sequence receiving should be " ... 1123333333 ", and STC11F01 single-chip microcomputer confirms correctly to receive lead code " 00000000 ", then receives follow-up 8 character informations;
(3), as shown in pseudo-synchronous 3 parts in Fig. 2, continuous 5 count values be " ... 11222 ", only time delay are next time adjusted into 360 μ s, continue reception and remain 5 lead codes; Through time delay adjustment, this counting sequence receiving should be " ... 1122233333 ", and STC11F01 single-chip microcomputer confirms correctly to receive lead code " 00000000 ", then receives follow-up 8 character informations;
(4), as shown in pseudo-synchronous 4 parts in Fig. 2, continuous 5 count values be " ... 00222 ", only time delay are next time adjusted into 550 μ s, continue reception and remain 5 lead codes.Through time delay adjustment, this counting sequence receiving should be " ... 0022233333 ", and STC11F01 single-chip microcomputer confirms correctly to receive lead code " 00000000 ", then receives follow-up 8 character informations;
After time delay is adjusted, when STC11F01 single-chip microcomputer, confirm correctly to receive after the lead code " 00000000 " with the Frame that the lighting apparatus of information transfer capability sends, after the 300 μ s of interval, start to receive continuously follow-up 8 or 16 character data information by counter.8 or 16 character data information that STC11F01 single-chip microcomputer receives, can contrast with user's preset value, to confirm the information such as identity, authority.
Information receiver based on photosensitive tube of the present invention carries out the method for information reception, comprises the following steps:
A: the lighting apparatus that utilizes phototriode T1 reception to have information transfer capability drives the LED light producing by different frequency modulation signal;
B: utilize conducting and the cut-off of the signal controlling amplifying triode T2 that phototriode T1 produces, the low and high level producing at the counter input pin of single-chip microcomputer when conducting and the cut-off by amplifying triode T2 is realized signal input;
C: adopt the single-chip microcomputer that is connected with clock circuit and there is counter function, calculate the signal frequency that fixed cycle inside counting device input pin receives, and by different signal frequency difference corresponding A SCII coding code values " 0 " and " 1 ", finally obtain transmitted information.
Said method all has relevant explanation when the information receiver to based on photosensitive tube describes in detail, does not repeat them here.
Claims (9)
1. the information receiver based on photosensitive tube, it is characterized in that: comprise housing, in housing, be provided with visible ray Information Receiving Circuits, visible ray Information Receiving Circuits comprises phototriode, filtering and amplifying circuit and is connected with the single-chip microcomputer of clock circuit, the collector electrode of phototriode connects power supply, and the emitter of phototriode connects the positive pole of diode; The emitter of phototriode is also by the first grounding through resistance; The negative pole of diode connects the base stage of amplifying triode, and the negative pole of diode is also by the first capacity earth; The collector electrode of amplifying triode connects power supply by the second resistance; The collector electrode of amplifying triode also connects the counter input pin of single-chip microcomputer; The collector electrode of amplifying triode is also by the second capacity earth; The grounded emitter of amplifying triode.
2. the information receiver based on photosensitive tube according to claim 1, it is characterized in that: described single-chip microcomputer adopts STC11F01 single-chip microcomputer, clock circuit comprises quartz crystal oscillator device, the two ends of quartz crystal oscillator device connect respectively XTAL1 and the XTAL2 pin of STC11F01 single-chip microcomputer, and the series circuit that the 3rd electric capacity and the 4th electric capacity form is connected in parallel on quartz crystal oscillator device two ends.
3. the information receiver based on photosensitive tube according to claim 2, is characterized in that: described STC11F01 single-chip microcomputer is connected with electrify restoration circuit and switch reset circuit; Electrify restoration circuit comprises the 5th electric capacity and the 3rd resistance of series connection, the positive pole of the 5th electric capacity connects power supply, the negative pole of the 5th electric capacity connects the 3rd resistance first end, the 3rd resistance the second end ground connection, the RST pin of STC11F01 single-chip microcomputer is connected between the 5th electric capacity negative pole and the 3rd resistance first end; Switch reset circuit comprises the reset button with the 5th Capacitance parallel connection.
4. utilize the method that the information receiver based on photosensitive tube carries out information reception described in claim 1, it is characterized in that, comprise the following steps:
A: the lighting apparatus that utilizes phototriode reception to have information transfer capability drives the LED light producing by different frequency modulation signal;
B: utilize conducting and the cut-off of the signal controlling amplifying triode that phototriode produces, the low and high level producing at the counter input pin of single-chip microcomputer when conducting and the cut-off by amplifying triode is realized signal input;
C: adopt the single-chip microcomputer that is connected with clock circuit and there is counter function, calculate the signal frequency that fixed cycle inside counting device input pin receives, and by different signal frequency difference corresponding A SCII coding code values " 0 " and " 1 ", finally obtain transmitted information.
5. the method that information according to claim 4 receives, is characterized in that: described single-chip data receiving velocity is 1000bps, and each gate time is fixed as 700 μ s, twice counting intervals 300 μ s.
6. the method that information according to claim 5 receives, is characterized in that: described single-chip microcomputer receiving data frames form is lead code+8 or 16 bit data, does not send check code; STC11F01 single-chip microcomputer, after receiving correct lead code, starts to receive follow-up 8 or 16 bit data after time delay 300 μ s, lead code is binary " 00000000 ".
7. the method that information according to claim 6 receives, is characterized in that: in each gate time, the ASCII character value corresponding relation of the count value that the counter of STC11F01 single-chip microcomputer obtains and representative is
Count value is 2 or 3 o'clock, and corresponding ASCII character value is " 0 ";
Count value is 5 or 6 o'clock, and corresponding ASCII character value is " 1 ".
8. the method that information according to claim 7 receives, it is characterized in that: described STC11F01 single-chip microcomputer receives take character and receive as unit in letter process, the time interval between character and character is any, and in each character, everybody transmitted with the set time.
9. the method that information according to claim 8 receives, is characterized in that: when receiving lead code, if front 5 of continuous counter values that the counter of STC11F01 single-chip microcomputer obtains in a gate time 11333 o'clock, normal 5 lead codes of residue that receive; If first 5 of the continuous counter value that the counter of STC11F01 single-chip microcomputer obtains in a gate time is not, according to following state, carry out time delay adjustment at 11333 o'clock:
(1) continuous 5 count values are " ... 00133 ", only time delay are next time adjusted into 600 μ s, continue to receive 5 lead codes of residue;
(2) continuous 5 count values are " ... 11233 ", only time delay are next time adjusted into 550 μ s, continue to receive 5 lead codes of residue;
(3) continuous 5 count values are " ... 11222 ", only time delay are next time adjusted into 360 μ s, continue to receive 5 lead codes of residue;
(4) continuous 5 count values are " ... 00222 ", only time delay are next time adjusted into 550 μ s, continue to receive 5 lead codes of residue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310525979.XA CN103560835B (en) | 2013-10-31 | 2013-10-31 | A kind of information receiver based on photosensitive tube and message receiving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310525979.XA CN103560835B (en) | 2013-10-31 | 2013-10-31 | A kind of information receiver based on photosensitive tube and message receiving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103560835A true CN103560835A (en) | 2014-02-05 |
| CN103560835B CN103560835B (en) | 2016-06-22 |
Family
ID=50015005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310525979.XA Expired - Fee Related CN103560835B (en) | 2013-10-31 | 2013-10-31 | A kind of information receiver based on photosensitive tube and message receiving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103560835B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373952A (en) * | 2014-11-26 | 2015-02-25 | 天津安节特电子仪表有限公司 | Flame monitor |
| CN104734785A (en) * | 2015-01-26 | 2015-06-24 | 华北水利水电大学 | Visible light receiving device and method |
| CN105897342A (en) * | 2016-06-03 | 2016-08-24 | 广州日铨电子有限公司 | Photo-electric transmission module and photo-electric transmission system |
| CN107659357A (en) * | 2017-09-20 | 2018-02-02 | 上海亚明照明有限公司 | A kind of electronic equipment |
| CN110595870A (en) * | 2019-09-17 | 2019-12-20 | 华北水利水电大学 | Mechanical property testing equipment for rubber material |
| CN110769422A (en) * | 2019-10-17 | 2020-02-07 | 上海纯米电子科技有限公司 | Distribution network data transmission method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191835Y (en) * | 2008-04-03 | 2009-02-04 | 上海澳润信息科技有限公司 | Indoor light receiver |
| CN102594458A (en) * | 2011-12-15 | 2012-07-18 | 江苏亿通高科技股份有限公司 | Light control automatic gain circuit and algorithm of control voltage |
| US20130077971A1 (en) * | 2010-06-04 | 2013-03-28 | Mitsubishi Electric Corporation | Receiver, data identifying and reproducing apparatus, pon system, and data identifying and reproducing method |
| CN202976293U (en) * | 2012-12-29 | 2013-06-05 | 欧普照明股份有限公司 | Light-operated lockset |
-
2013
- 2013-10-31 CN CN201310525979.XA patent/CN103560835B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191835Y (en) * | 2008-04-03 | 2009-02-04 | 上海澳润信息科技有限公司 | Indoor light receiver |
| US20130077971A1 (en) * | 2010-06-04 | 2013-03-28 | Mitsubishi Electric Corporation | Receiver, data identifying and reproducing apparatus, pon system, and data identifying and reproducing method |
| CN102594458A (en) * | 2011-12-15 | 2012-07-18 | 江苏亿通高科技股份有限公司 | Light control automatic gain circuit and algorithm of control voltage |
| CN202976293U (en) * | 2012-12-29 | 2013-06-05 | 欧普照明股份有限公司 | Light-operated lockset |
Non-Patent Citations (1)
| Title |
|---|
| 陆瑞良: "光敏三极管", 《集成电路应用》, no. 2, 15 April 1988 (1988-04-15), pages 31 - 49 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373952A (en) * | 2014-11-26 | 2015-02-25 | 天津安节特电子仪表有限公司 | Flame monitor |
| CN104734785A (en) * | 2015-01-26 | 2015-06-24 | 华北水利水电大学 | Visible light receiving device and method |
| CN104734785B (en) * | 2015-01-26 | 2018-04-10 | 华北水利水电大学 | A kind of visible optical pickup apparatus and visible method for optical reception |
| CN105897342A (en) * | 2016-06-03 | 2016-08-24 | 广州日铨电子有限公司 | Photo-electric transmission module and photo-electric transmission system |
| CN107659357A (en) * | 2017-09-20 | 2018-02-02 | 上海亚明照明有限公司 | A kind of electronic equipment |
| CN110595870A (en) * | 2019-09-17 | 2019-12-20 | 华北水利水电大学 | Mechanical property testing equipment for rubber material |
| CN110595870B (en) * | 2019-09-17 | 2021-09-28 | 华北水利水电大学 | Mechanical property testing equipment for rubber material |
| CN110769422A (en) * | 2019-10-17 | 2020-02-07 | 上海纯米电子科技有限公司 | Distribution network data transmission method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103560835B (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103560835B (en) | A kind of information receiver based on photosensitive tube and message receiving method | |
| CN104485993B (en) | Vehicular visible light wireless digital voice communication system | |
| EP2680648A2 (en) | Wireless communication protocol for low power receivers | |
| US20140270799A1 (en) | Method and system for camera enabled error detection | |
| WO2013165751A1 (en) | Methods and apparatus for modulating light to concurrently convey high rate data and low rate data | |
| CN103560831B (en) | There is lighting apparatus and the lighting apparatus information transferring method of information transfer capability | |
| CN104734785B (en) | A kind of visible optical pickup apparatus and visible method for optical reception | |
| US20150229152A1 (en) | Mobile Power Supply Unit | |
| CN105007249A (en) | 2FSK-based wireless energy and signal synchronous transmission system and method | |
| CN103136930A (en) | Infrared remote control system transmission end and realization method thereof | |
| CN103559748B (en) | A kind of visible ray identification lockset and visible ray identification lockset control method | |
| CN201655266U (en) | Projector with wireless communication function | |
| CN204759691U (en) | Intelligent security system based on multisensor | |
| CN105511693B (en) | Touch control communication system and touch control communication method | |
| CN102768620B (en) | Transmission method and transmission device for display data | |
| CN105448077B (en) | Mobile terminal infrared remote control method, apparatus and system | |
| CN111049543A (en) | Wireless receiving circuit and wireless control device | |
| CN113992268B (en) | Low-speed communication method and system based on screen light modulation | |
| CN201060549Y (en) | Anti-interference infrared remote controller | |
| CN201397979Y (en) | Remote-controlled power socket receiving apparatus | |
| CN203775182U (en) | RS232 and infrared communication interface switching circuit capable of automatically taking power | |
| CN106534699A (en) | Method for outputting configuration information of IP camera through indication lamp, and IP camera | |
| CN108964763A (en) | A kind of visible light communication device, lockset equipment and visible light communication method | |
| CN105320005A (en) | Alarm clock circuit and sound device | |
| CN106646073A (en) | Electronic counter for high-tension switch board and counting method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |