CN202261295U - Device for achieving information transmission with visible light as medium - Google Patents
Device for achieving information transmission with visible light as medium Download PDFInfo
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- CN202261295U CN202261295U CN2011201547900U CN201120154790U CN202261295U CN 202261295 U CN202261295 U CN 202261295U CN 2011201547900 U CN2011201547900 U CN 2011201547900U CN 201120154790 U CN201120154790 U CN 201120154790U CN 202261295 U CN202261295 U CN 202261295U
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Abstract
A device for achieving information transmission with visible light as a medium relates to the technical fields of lighting, power supplies, integrated circuits, optics, communication, signal processing, network, positioning and the like and comprises a bit generating device, a pulse signal modulator, a circuit driving device connected with a light-emitting diode (LED), a photon detector, a pulse signal demodulator, an equalizer and a bit output device. Bit information is modulated into transmission signals through the pulse signal modulator, optical signals are launched by driving the LED through the circuit, the photon detector receives the optical signals launched by the LED, and the bit information is restored through demodulation and equalization. Compared with a traditional information transmission means, the device for achieving information transmission with the visible light as the medium has the advantages of being environment-friendly, fast, wireless and safe.
Description
Technical field
The utility model relates to technical fields such as illumination, power supply, integrated circuit, optics, communication, signal processing, network, location.
Background technology
Illuminating lamp is from incandescent lamp, fluorescent lamp, electricity-saving lamp; Develop into solid LED illuminating lamp of new generation now; White-light illuminating LED has high strength, high efficiency, small size, low cost, easy care, remarkable advantage such as pollution-free; Along with the green non-pollution energy and energy-conservation has become global hot issue, white-light illuminating LED will replace traditional illumination gradually with incandescent lamp and fluorescent lamp.They can be used for making multi-functional display floater simultaneously, and video screen shows, automobile front lamp, taillight, and traffic lights.Begin to equip new vehicle such as recent increasing vehicular manufacturer with white light LEDs.Traffic control and urban construction unit also replace traffic lights and street street lamp with white light LED array.But up to the present, the purposes of visible light is not also broken the functional category of illumination and demonstration.
The high speed electrical modulation performance of white light LEDs (the soonest can to the hundreds of megahertz) shows that they also can be used as communication light source when being used to throw light on, with wireless transmission high-speed data.Utilize the high level communication means to reach as high as the speed of per second hundreds of million to last GB.The utility model can realize that the place of visible light all can communicate by letter whenever and wherever possible, as: the measurement of the framework of high-speed communication local area network (LAN), LED illumination and the coordination of communicate by letter, LED driving, communication link and modeling, communication performance comprehensive assessment, duplex communication scheme, multi-user embed design of protocol and with existing cable network (xDSL, fiber; Cable; Powerline) and wireless network (FSO, WiMAX, LTE; 3G, interface WiFi).Really from the physical layer of system in netting to network layer, application layer and internet does systematization research, design and demonstration.The utility model system also can be with based on existing commercial illumination LED s, and integrated software and hardware and one are to realize above-mentioned each item function.
Summary of the invention
It is the media implementation information carrying means with the visible light that the utility model purpose is to propose a kind of:
Device comprises bit generating apparatus, pulse signal adjuster, the drives device that is connected with LED, photon detection device, pulse signal demodulator, equalizer and bit output device; The signal output part of said bit generating apparatus is connected the input of pulse signal adjuster; Said pulse signal regulator output is connected the input of the drives device that is connected with LED; The signal output part of said photon detection device is connected the input of pulse signal demodulator; The output of said pulse signal demodulator is connected the input of equalizer, and the output of said equalizer is connected the input of bit output device.
Also can the optical signal amplifying bigger device be set between pulse signal demodulator and equalizer, the output of said pulse signal demodulator is connected the input of optical signal amplifying bigger device, and the output of said optical signal amplifying bigger device is connected the input of equalizer.
The utility model device all adopts prior-art devices, and functional stabilization is good, convenient production, installation; The ability commercialization is also pushed the commercial market to; Can contain all mobile phones or other palm type electronic device, like individual high, family's high definition TV transmits; Large scale business place shopping guide, intelligent driving etc.Also can be between the vehicle, can realize communicating by letter between vehicle and traffic lights.State and peripheral traffic as traffic lights all can in time be sent to the driver, carry out brake or road early and select to prepare.The more traditional message transmission means of the utility model have environmental protection, quick, wireless, safe advantage.
Description of drawings
Fig. 1 is a kind of circuit theory diagrams of the utility model.
Embodiment
The utility model is provided with bit generating apparatus, pulse signal adjuster, the drives device that is connected with LED, photon detection device, pulse signal demodulator, optical signal amplifying bigger device, equalizer and bit output device.
The signal output part of bit generating apparatus is connected the input of pulse signal adjuster; The pulse signal regulator output is connected the input of the drives device that is connected with LED; The signal output part of photon detection device is connected the input of pulse signal demodulator; The output of pulse signal demodulator is connected the input of optical signal amplifying bigger device; The output of optical signal amplifying bigger device is connected the input of equalizer, and the output of equalizer is connected the input of bit output device.
Operation principle: data message is represented that by digital signal the bit information that process on-off keying (OOK) or pulse position modulation (PPM) isopulse signal-conditioning unit will have digital signal is modulated into transmission signals, again by drives driven by program LED.The light signal that LED launches gets into the field range of photon detector through after the atmospheric loss, after the optical signal amplifying bigger device strengthens, restores bit information through the demodulation equilibrium again.
Claims (2)
1. one kind is the device of media implementation message transmission with the visible light; It is characterized in that comprising bit generating apparatus, pulse signal adjuster, the drives device that is connected with LED, photon detection device, pulse signal demodulator, equalizer and bit output device; The signal output part of said bit generating apparatus is connected the input of pulse signal adjuster; Said pulse signal regulator output is connected the input of the drives device that is connected with LED; The signal output part of said photon detection device is connected the input of pulse signal demodulator; The output of said pulse signal demodulator is connected the input of equalizer, and the output of said equalizer is connected the input of bit output device.
2. according to the said device of claim 1; It is characterized in that between pulse signal demodulator and equalizer, being provided with the optical signal amplifying bigger device; The output of said pulse signal demodulator is connected the input of optical signal amplifying bigger device, and the output of said optical signal amplifying bigger device is connected the input of equalizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201547900U CN202261295U (en) | 2011-05-16 | 2011-05-16 | Device for achieving information transmission with visible light as medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201547900U CN202261295U (en) | 2011-05-16 | 2011-05-16 | Device for achieving information transmission with visible light as medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202261295U true CN202261295U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201547900U Expired - Fee Related CN202261295U (en) | 2011-05-16 | 2011-05-16 | Device for achieving information transmission with visible light as medium |
Country Status (1)
| Country | Link |
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| CN (1) | CN202261295U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414515A (en) * | 2013-08-13 | 2013-11-27 | 重庆大学 | Dynamic light source time division information transmission method |
| CN104104437A (en) * | 2013-04-11 | 2014-10-15 | 广州杰赛科技股份有限公司 | Visible light-based communication method |
| CN104950871A (en) * | 2015-05-19 | 2015-09-30 | 同济大学 | Automobile condition diagnosis device and application based on visible light communication technology |
| CN106741366A (en) * | 2016-12-30 | 2017-05-31 | 赵恩龙 | Intelligent vehicle-mounted device and the bicycle containing the intelligent vehicle-mounted device |
-
2011
- 2011-05-16 CN CN2011201547900U patent/CN202261295U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104437A (en) * | 2013-04-11 | 2014-10-15 | 广州杰赛科技股份有限公司 | Visible light-based communication method |
| CN103414515A (en) * | 2013-08-13 | 2013-11-27 | 重庆大学 | Dynamic light source time division information transmission method |
| CN103414515B (en) * | 2013-08-13 | 2016-06-15 | 重庆大学 | Dynamic light source time division information transmission method |
| CN104950871A (en) * | 2015-05-19 | 2015-09-30 | 同济大学 | Automobile condition diagnosis device and application based on visible light communication technology |
| CN106741366A (en) * | 2016-12-30 | 2017-05-31 | 赵恩龙 | Intelligent vehicle-mounted device and the bicycle containing the intelligent vehicle-mounted device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU SHIJIE OPTOELECTRONIC CO., LTD. Free format text: FORMER OWNER: LI YIYANG Effective date: 20130709 Free format text: FORMER OWNER: DING HAO Effective date: 20130709 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 225654 YANGZHOU, JIANGSU PROVINCE TO: 225006 YANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130709 Address after: 225006, Jiangsu Yangzhou Guangling District Jiangsu information service industry base (Yangzhou) 11, 2 floor Patentee after: Jiangsu Shijie photoelectric Co Ltd Address before: 225654, Yangzhou, Jiangsu, Gaoyou Province Industrial Zone, Yangzhou Zhongxing lighting Limited by Share Ltd dormitory Patentee before: Li Yiyang Patentee before: Ding Hao |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20170516 |