WO2017086520A1 - Dispositif de communication sous-marine par commande de gradation de lumière visible - Google Patents

Dispositif de communication sous-marine par commande de gradation de lumière visible Download PDF

Info

Publication number
WO2017086520A1
WO2017086520A1 PCT/KR2015/012699 KR2015012699W WO2017086520A1 WO 2017086520 A1 WO2017086520 A1 WO 2017086520A1 KR 2015012699 W KR2015012699 W KR 2015012699W WO 2017086520 A1 WO2017086520 A1 WO 2017086520A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
visible light
dimming control
underwater
digital signal
Prior art date
Application number
PCT/KR2015/012699
Other languages
English (en)
Korean (ko)
Inventor
류창형
우희성
송인호
Original Assignee
코아글림 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 코아글림 주식회사 filed Critical 코아글림 주식회사
Publication of WO2017086520A1 publication Critical patent/WO2017086520A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H05B47/195—Controlling the light source by remote control via wireless transmission the transmission using visible or infrared light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source

Definitions

  • the present invention relates to an underwater communication apparatus through dimming control of visible light, and more particularly, to divers that are located underwater or between divers using visible light communication (VLC) capable of dimming control.
  • VLC visible light communication
  • the present invention relates to an underwater communication apparatus through dimming control of visible light, which enables underwater communication capable of performing pseudo communication and information transmission wirelessly between ships.
  • Underwater wireless communication includes the presence of ships or reefs using fish finders to check for fish in the water, echo sounders to check the shape of the seabed and reefs, sons to detect the sound of screws such as submarines for military use, and reflected waves according to ultra-short pulse Active sonar to investigate. Recently, a method of performing underwater wireless communication using ultrasonic waves has also been developed.
  • the ultrasonic waves have a problem in that the transmission speed is low, the time delay is large, and the bandwidth is narrow, so that the data rate is low.
  • Korean Unexamined Patent Publication No. 2010-0031445 discloses a communication device for performing underwater wireless communication, and a modulation section and a modulation section modulated to receive and transmit an ultrasonic signal.
  • a demodulator for demodulating a signal into an original signal is disclosed.
  • Prior art 1 minimizes signal interference due to multiple paths that can occur underwater and improves the efficiency of information transmission, while an error due to the transmission and reception of ultrasonic signals in consideration of an underwater environment that can improve transmission efficiency in underwater wireless communication.
  • the purpose of the present invention is to minimize information transmission efficiency and to improve communication reliability.
  • the bandwidth of the communication is narrow and the data rate is low, and the expensive device such as the ultrasonic sensor and the channel coding unit is included, and thus the cost is high. There is a problem that occurs.
  • the underwater communication apparatus through the dimming control of the visible light of the present invention can perform the underwater communication using the visible light communication capable of dimming control.
  • Visible light communication refers to a light emitting diode using a wavelength of visible light among the light emitting diodes by using a property of converting electricity of a lighting device, that is, light-emitting diode (LED) into light. Applied in the field of communication, it means that the light emitting diode can communicate while maintaining its original lighting function.
  • LED light-emitting diode
  • the communication system that transmits and receives data wirelessly using light generated from an LED lighting device, that is, visible light. It is a wireless communication technology that delivers information wirelessly using light in the visible wavelength band that humans can recognize with their eyes.
  • the visible light wireless communication technology is distinguished from the conventional wired optical communication technology and infrared wireless communication in terms of using light in the visible light wavelength band (780 nm to 380 nm), and is distinguished from the wired optical communication technology in that the communication environment is wireless.
  • visible light wireless communication technology has excellent convenience and physical security that can be freely used without being regulated or licensed in terms of frequency use, and users can see the communication link. It is distinguished by the fact that it can be confirmed, and above all, it has the characteristics as a fusion technology that can acquire the unique purpose and communication function of the light source at the same time.
  • the present invention has been made to solve the problems of the prior art as described above, the object of the present invention is to use the visible light communication (VLC, Visible Light Communication) capable of dimming (dive) between divers or underwater
  • VLC Visible Light Communication
  • the present invention provides an underwater communication apparatus through dimming control of visible light, which enables underwater communication capable of performing communication and information transmission wirelessly between a diver and a ship.
  • Underwater communication apparatus through the dimming control of visible light underwater communication through the dimming control of visible light performing underwater wireless communication using visible light wireless communication through the dimming (dimming) control of the LED blinking state
  • the data signal is received and modulated into an optical signal, and transmitted from the transmitter 100 and the transmitter 100 for transmitting an optical signal through dimming control of a light-emitting diode (LED).
  • LED light-emitting diode
  • a photo detector (Photo Detector), characterized in that it comprises a receiver 200 for demodulating and outputting the optical signal into a data signal, the transmitter 100 is underwater, a predetermined brightness
  • the dimming control of the light emitting diode according to the value dimmer controls the flashing state to perform wireless communication.
  • the underwater communication device through the dimming control of the visible light is characterized in that it further comprises a power supply unit 300 for supplying operating power to the transmitter 100 and the receiver 200,
  • the transmitter 100, the receiver 200 and the power supply 300 is characterized in that it further comprises a waterproof housing 400 accommodated therein.
  • the transmitter 100 includes at least one light emitting diode (LED), and input means 110 for receiving an analog or digital signal for transmission from the outside, and analog to the input means 110.
  • a data frame is applied to the first code converter 120 for converting the signal into a digital signal, the digital signal input to the input means 110, or the digital signal converted by the code converter 120.
  • detects an error of the digital signal converts the data modulator 130 for inserting the encryption code and the digital signal modulated by the data modulator 130 into an electrical signal, and converts the electrical signal into an optical signal.
  • the light emitting control unit 140 to control the blinking state through the dimming control of the light emitting diode to emit an optical signal.
  • the receiver 200 includes at least one photo detector PD, and receives the optical signal transmitted from the transmitter 100 using the electrical signal detector, and converts the visible signal into an electrical signal.
  • an output unit 250 for receiving and outputting the converted analog signal at 240.
  • VLC visible Light Communication
  • LED light-emitting diode
  • the underwater communication device through the dimming control of the visible light of the present invention controls the blinking state of the LED by the total length of the data frame, according to the preset brightness value (dimmer) using an external switch, the LED brightness value efficiency Adjusting to 30%, 50% or 70% has the advantage of performing wireless communication through visible light communication underwater.
  • FIG. 1 is a view showing an underwater communication apparatus through dimming control of visible light according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a transmitter 100 of an underwater communication device through dimming control of visible light according to an embodiment of the present invention.
  • FIG 3 is a diagram illustrating a receiver 200 of an underwater communication apparatus through dimming control of visible light according to an embodiment of the present invention.
  • Visible light communication refers to a light emitting diode using a wavelength of visible light among the light emitting diodes by using a property of converting electricity of a lighting device, that is, light-emitting diode (LED) into light. Applied in the field of communication, it means that the light emitting diode can communicate while maintaining its original lighting function.
  • LED light-emitting diode
  • it is a communication system that transmits and receives data wirelessly using light generated from an LED lighting device, that is, visible light. It is a wireless communication technology that delivers information wirelessly using light in the visible wavelength band that humans can recognize with their eyes.
  • This visible light wireless communication technology is distinguished from the existing wired optical communication technology and infrared wireless communication in terms of using light in the visible wavelength band (780 nm to 380 nm) by sending data by blinking LEDs at an invisible speed. It is distinguished from wired optical communication technology in that the environment is wireless.
  • visible light wireless communication technology has excellent convenience and physical security that can be freely used without being regulated or licensed in terms of frequency use, and users can see the communication link. It is distinguished by the fact that it can be confirmed, and above all, it has the characteristics as a fusion technology that can acquire the unique purpose and communication function of the light source at the same time.
  • the visible light wireless communication technology is a free space optic (FSO) technology, which uses optical propagation light in free space for transmitting and receiving data between two devices installed on a line-of-sight (LOS).
  • FSO free space optic
  • LOS line-of-sight
  • FIG. 1 is a diagram illustrating an underwater communication apparatus through dimming control of visible light according to an embodiment of the present invention. Referring to Figure 1 will be described in detail with respect to the underwater communication device through the dimming control of visible light according to an embodiment of the present invention.
  • the underwater communication apparatus through dimming control of visible light may be configured to include a transmitter 100 and a receiver 200, as shown in Figure 1, included in the transmitter 100
  • Underwater wireless communication may be performed using visible light wireless communication through dimming control of a blinking LED.
  • the underwater communication device through the dimming control of the visible light of the present invention controls the blinking state of the LED by the total length of the data frame according to the preset brightness value (dimmer) using an external switch, thereby improving the LED brightness value efficiency.
  • the preset brightness value dimming control of the visible light of the present invention
  • the underwater communication device through the dimming control of the visible light of the present invention may be provided with an input means for inputting a data signal to the transmitting unit 100 to the oxygen mask of the skin scuba equipment in one embodiment, the receiving unit 200
  • the skin scuba equipment can be connected to the end face of the goggles, but it can also be connected to more diverse locations.
  • Underwater communication apparatus through the dimming control of the visible light of the present invention may further include a power supply unit 300 for supplying power for operation to the transmitter 100 and the receiver 200, so that the easy to use underwater
  • the transmitter 100, the receiver 200, and the power supply 300 may further include a waterproof housing 400 accommodated therein.
  • the transmitter 100 may receive a data signal in water, modulate the data signal into an optical signal, and transmit the optical signal through dimming control of the light emitting diode.
  • the transmitter 100 transmits an optical signal by controlling a blinking state of the light emitting diode by adjusting the brightness value efficiency of the LED according to a brightness value (dimmer) previously set (selected) by using an external switch. Underwater wireless communication can be performed.
  • the transmitter 100 may include at least one light emitting diode, and as shown in FIG. 2, the input unit 110, the first code converter 120, and the data modulator. 130 and the light emission controller 140 may be configured.
  • the input unit 110 may receive an analog or digital signal for transmission from the outside in the water.
  • the input unit 110 may receive a voice analog signal through a microphone or the like or a digital signal through a connection terminal interface for communication between devices.
  • the present invention is not limited thereto and may be applied as a device capable of inputting more various signals.
  • the first code converter 120 may convert the analog signal into a digital signal when the analog signal is input to the input unit 110. That is, by determining whether the input signal is an analog signal or a digital signal, in the case of an analog signal, digital conversion for generating a data frame may be performed.
  • the voice analog signal having continuous time and amplitude can be modulated into a digital signal, and in general, the analog signal can be modulated into a digital signal through sampling, quantizing, and encoding. .
  • the sampling is a step of detecting analog signals of continuous signal waveforms at predetermined time intervals
  • the quantization is a step of adjusting PAM signals detected through the sampling to values for finite numbers of codes.
  • the encoding is a step of representing the amplitude of the quantized digital signal pulse in binary. Through the sampling, quantization, and encoding processes, the voice analog signal may be modulated into the digital signal.
  • the data modulator 130 generates a data frame for a digital signal input to the input means 100 or a digital signal converted by the first code converter 120, and generates a digital frame.
  • the error can be detected and an encryption code can be inserted.
  • the data modulator 130 may generate a data frame in which a code for detecting an error of the digital signal and other encryption codes are inserted into the digital signal. Through this, an error that may occur in the process of modulating an analog signal to a digital signal may be detected, and an encryption code may be inserted.
  • the data modulator 130 may generate a data frame consisting of a preamble signal, data, and a CRC code by performing Manchester-OOK modulation, and a preamble signal is placed at the front of the data packet. It is located in the same pattern as the simple information about the digital signal. It only serves to illuminate the LED light and signify the beginning of the packet.
  • the CRC code is preferably inserted as a check value to check whether an error has occurred in the transmitted data.
  • the light emission controller 140 converts the digital signal modulated by the data modulator 130 into an electrical signal, converts the electrical signal into an optical signal, and controls a blinking state through dimming control of the light emitting diode. Can emit.
  • the light emission controller 140 selects and generates an invalid pattern according to a brightness value (dimmer) previously set (selected) by using an external switch, and generates a total length of the data frame generated by the data modulator 130. Dimming control can be performed by adjusting 30%, 50% or 70% of the LED brightness value efficiency using the blinking state of the LED. In addition, even if there is no data input, it is preferable to control the blinking state of the LED through an invalid pattern except for data.
  • the light emission controller 140 may control the blinking state of the light emitting diode according to a brightness value preset (selected) using an external switch.
  • a brightness value preset selected
  • the blinking state of the light emitting diode By controlling the blinking state of the light emitting diode at an invisible speed, it can be adjusted to 30%, 50% or 70% of the LED brightness value efficiency, it is possible to perform wireless communication through visible light communication underwater.
  • the receiver 200 receives an optical signal transmitted from the transmitter 100 in the water through a photo detector (PD).
  • the optical signal indicates a blinking state of the light emitting diode.
  • the signal can be demodulated into a data signal and output.
  • the receiver 200 may include at least one photo detector, and as shown in FIG. 3, the visible light receiver 210, the signal restorer 220, and the data demodulator 230. ), The second code conversion unit 240 and the output means 250 may be configured.
  • the visible light receiving unit 210 may receive an optical signal transmitted from the transmitter 100 using the photo detector, and convert the optical signal received through the photo detector into an electrical signal. At this time, through the photo detector, the received optical signal, like the light emitting diode of the transmitter 100, can detect light in the visible wavelength band, the visible wavelength band used is preferably in the range of 780nm ⁇ 380nm.
  • the signal recovery unit 220 may amplify the electrical signal converted by the visible light receiving unit 210 and restore the digital signal.
  • the signal recovery unit 220 may amplify a weak electric signal, reshape the signal, and restore the digital signal.
  • the data demodulator 230 may demodulate the digital signal reconstructed by the signal reconstructor 220 to check whether there is an abnormality in the data frame of the digital signal. That is, an error can be detected.
  • the data demodulator 230 may detect data by performing correlation of the preamble signal included in the received data frame and performing Manchester-OOK demodulation. In addition, it is possible to determine whether an error has occurred in the data frame by detecting an error of the CRC code.
  • the second code converter 240 may convert the digital signal demodulated by the data demodulator 230 into an outputable analog signal.
  • the second code converter 240 may convert the demodulated digital signal into a signal that can be output from the output means 250.
  • the second code converter 240 may convert a digital signal into an analog signal through decoding and filtering.
  • the decoding means returning a digital signal to a PAM, that is, a signal at the time of being detected by sampling, and the filtering may restore the PAM signal to an analog signal which is a principle input signal.
  • the output means 250 may receive and output the analog signal converted by the second code converter 240 in the water.
  • the output means 250 may be output in accordance with the received signal, in the case of a voice analog signal may be output to the speaker, it may be output a digital signal through a connection terminal interface for communication between devices.
  • the present invention is not limited thereto and may be applied as a device capable of inputting more various signals.
  • the underwater communication device through dimming control of visible light performs underwater wireless communication by dimming and controlling the blinking state of the LED, thereby realizing an environmentally friendly and low cost underwater wireless communication device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)

Abstract

La présente invention concerne un dispositif de communication sous-marine par commande de gradation de lumière visible. Plus précisément, la présente invention concerne un dispositif de communication sous-marine par commande de gradation de lumière visible qui effectue une communication sans fil sous-marine au moyen d'une communication sans fil en lumière visible par commande de gradation d'un état de clignotement d'une diode électroluminescente (DEL). Le dispositif de communication sous-marine par commande de gradation de lumière visible comprend : une unité d'émission (100) pour recevoir un signal d'entrée de données, moduler le signal de données d'entrée en un signal lumineux, et émettre le signal lumineux par commande de gradation d'une DEL; et une unité de réception (200) pour recevoir un signal lumineux émis par l'unité d'émission (100) par l'intermédiaire d'un détecteur optique, démoduler le signal lumineux en un signal de données, et délivrer le signal de données, l'unité d'émission (100) effectuant une communication sans fil par commande d'un état de clignotement par le biais d'une commande de gradation de la diode électroluminescente en fonction d'une valeur de luminosité prédéterminée (gradateur).
PCT/KR2015/012699 2015-11-19 2015-11-25 Dispositif de communication sous-marine par commande de gradation de lumière visible WO2017086520A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150162714A KR20170058731A (ko) 2015-11-19 2015-11-19 가시광의 디밍 제어를 통한 수중 통신 장치
KR10-2015-0162714 2015-11-19

Publications (1)

Publication Number Publication Date
WO2017086520A1 true WO2017086520A1 (fr) 2017-05-26

Family

ID=58717475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/012699 WO2017086520A1 (fr) 2015-11-19 2015-11-25 Dispositif de communication sous-marine par commande de gradation de lumière visible

Country Status (2)

Country Link
KR (1) KR20170058731A (fr)
WO (1) WO2017086520A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109194406A (zh) * 2018-08-08 2019-01-11 西安理工大学 一种水下便携式无线光通信系统及通信方法
CN110518977A (zh) * 2019-09-11 2019-11-29 南京邮电大学 水下可见光通信方法及水下可见光通信装置
US10516489B1 (en) 2018-11-15 2019-12-24 Industrial Technology Research Institute Underwater wireless communication apparatus and communication method thereof
CN111092654A (zh) * 2019-12-05 2020-05-01 南京艾凯特光电科技有限公司 光探测、照明及通信一体装置及其控制方法
CN111162841A (zh) * 2020-04-07 2020-05-15 山东赛马力动力科技有限公司 使用可见光的水下通信设备
US10681793B1 (en) 2019-08-16 2020-06-09 Pal Lighting, Llc Direct wireless control of lighting systems for use in a high-moisture environment
CN111510215A (zh) * 2020-05-20 2020-08-07 中国人民解放军海军潜艇学院 一种基于蓝光led的便携式潜水通信设备
CN112261368A (zh) * 2020-10-20 2021-01-22 水利部交通运输部国家能源局南京水利科学研究院 一种大坝水下检测图像的中继式传输方法及装置
US10938245B1 (en) 2018-07-06 2021-03-02 Bellson Electric Pty Ltd Universal resonant induction coupling for luminaire in a high-moisture environment
EP3829972A4 (fr) * 2018-07-27 2022-03-16 Bahçesehir Üniversitesi Dispositif de communication sous-marine
US11635192B1 (en) 2021-12-27 2023-04-25 Bellson Electric Pty Ltd Adjustable underwater light fixture adapter
CN116054945A (zh) * 2023-04-06 2023-05-02 深圳华创芯光科技有限公司 一种高可靠单向光无线通信数据传输系统
US11874171B2 (en) 2017-04-13 2024-01-16 Miftek Corporation Under water photon communication by single photon detection

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102022461B1 (ko) * 2017-11-29 2019-09-18 서지선 광 통신 시스템 및 그 제어방법
CN109936408A (zh) * 2019-01-12 2019-06-25 上海贵霖通信技术有限公司 一种使用可见光的水下通信设备及其使用方法
CN112235049A (zh) * 2019-06-28 2021-01-15 Oppo广东移动通信有限公司 用于潜水的通信系统、方法、船载通信器及潜水通信器
KR102317283B1 (ko) 2021-03-18 2021-10-25 호서대학교 산학협력단 수중 저전력 통신 장치 및 방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101141663B1 (ko) * 2011-10-04 2012-05-15 코아글림 주식회사 가시광을 이용한 수중 통신 장치 및 방법
US20120128366A1 (en) * 2010-11-22 2012-05-24 Pantech Co., Ltd. Apparatus and method for performing communication using chrominance information in visible light communication system
KR101240347B1 (ko) * 2012-05-30 2013-03-11 코아글림 주식회사 가시광 무선 통신을 이용한 디지털 정보 디스플레이 장치
KR20140129572A (ko) * 2013-04-30 2014-11-07 하나 마이크론(주) 가시광 통신 시스템의 데이터 수신 방법
KR20150095416A (ko) * 2014-02-13 2015-08-21 동국대학교 산학협력단 가시광 통신을 이용하는 데이터 송수신 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120128366A1 (en) * 2010-11-22 2012-05-24 Pantech Co., Ltd. Apparatus and method for performing communication using chrominance information in visible light communication system
KR101141663B1 (ko) * 2011-10-04 2012-05-15 코아글림 주식회사 가시광을 이용한 수중 통신 장치 및 방법
KR101240347B1 (ko) * 2012-05-30 2013-03-11 코아글림 주식회사 가시광 무선 통신을 이용한 디지털 정보 디스플레이 장치
KR20140129572A (ko) * 2013-04-30 2014-11-07 하나 마이크론(주) 가시광 통신 시스템의 데이터 수신 방법
KR20150095416A (ko) * 2014-02-13 2015-08-21 동국대학교 산학협력단 가시광 통신을 이용하는 데이터 송수신 방법 및 장치

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11874171B2 (en) 2017-04-13 2024-01-16 Miftek Corporation Under water photon communication by single photon detection
US10938245B1 (en) 2018-07-06 2021-03-02 Bellson Electric Pty Ltd Universal resonant induction coupling for luminaire in a high-moisture environment
US11296551B2 (en) 2018-07-06 2022-04-05 Bellson Electric Pty Ltd Universal resonant induction coupling for luminaire in a high-moisture environment
EP3829972A4 (fr) * 2018-07-27 2022-03-16 Bahçesehir Üniversitesi Dispositif de communication sous-marine
CN109194406A (zh) * 2018-08-08 2019-01-11 西安理工大学 一种水下便携式无线光通信系统及通信方法
US10516489B1 (en) 2018-11-15 2019-12-24 Industrial Technology Research Institute Underwater wireless communication apparatus and communication method thereof
TWI694686B (zh) * 2018-11-15 2020-05-21 財團法人工業技術研究院 水下無線通訊裝置及方法
US11622436B2 (en) 2019-08-16 2023-04-04 Bellson Electric Pty Ltd Direct wireless control of lighting systems for use in a high-moisture environment
US10681793B1 (en) 2019-08-16 2020-06-09 Pal Lighting, Llc Direct wireless control of lighting systems for use in a high-moisture environment
CN110518977A (zh) * 2019-09-11 2019-11-29 南京邮电大学 水下可见光通信方法及水下可见光通信装置
CN111092654A (zh) * 2019-12-05 2020-05-01 南京艾凯特光电科技有限公司 光探测、照明及通信一体装置及其控制方法
CN111092654B (zh) * 2019-12-05 2023-08-29 苏州亮芯光电科技有限公司 光探测、照明及通信一体装置及其控制方法
CN111162841A (zh) * 2020-04-07 2020-05-15 山东赛马力动力科技有限公司 使用可见光的水下通信设备
CN111510215A (zh) * 2020-05-20 2020-08-07 中国人民解放军海军潜艇学院 一种基于蓝光led的便携式潜水通信设备
CN111510215B (zh) * 2020-05-20 2024-04-26 中国人民解放军海军潜艇学院 一种基于蓝光led的便携式潜水通信设备
CN112261368A (zh) * 2020-10-20 2021-01-22 水利部交通运输部国家能源局南京水利科学研究院 一种大坝水下检测图像的中继式传输方法及装置
US11635192B1 (en) 2021-12-27 2023-04-25 Bellson Electric Pty Ltd Adjustable underwater light fixture adapter
CN116054945A (zh) * 2023-04-06 2023-05-02 深圳华创芯光科技有限公司 一种高可靠单向光无线通信数据传输系统

Also Published As

Publication number Publication date
KR20170058731A (ko) 2017-05-29

Similar Documents

Publication Publication Date Title
WO2017086520A1 (fr) Dispositif de communication sous-marine par commande de gradation de lumière visible
WO2013051808A1 (fr) Dispositif de communication sous-marine utilisant la lumière visible et procédé de communication sous-marine l'utilisant
US5727025A (en) Voice, music, video and data transmission over direct current wires
JP6267335B2 (ja) 信号の伝送方法及び装置
US20130136453A1 (en) Visible light communication method and visible light communication system
US7551852B2 (en) Module to module signaling
WO2009104921A2 (fr) Appareil et procédé pour émettre et recevoir des données à l'aide d'une communication en lumière visible
CA2580269C (fr) Detection et correction d'erreur pour systemes sans fil en bande de base
HK1037769A1 (en) Tricolor led display system having audio output.
TW200631333A (en) Optical communication system
CN103795466A (zh) 信号的传输方法、装置及系统
Costanzo et al. Adaptive modulation control for visible light communication systems
US20210091857A1 (en) Hybrid system with aoc and aec and optical transceiver system thereof
Chen et al. High-diversity space division multiplexing visible light communication utilizing a fisheye-lens-based imaging receiver
US20100074625A1 (en) Apparatus for voice communication using an incoherent light source
KR101211674B1 (ko) 가시광 통신 기반의 무선 음향 시스템
CN112671467B (zh) 一种光通信识别装置
US20060034182A1 (en) Module to module signaling utilizing amplitude modulation
JP3085275B2 (ja) ２値光伝送方法及び２値光伝送システム
CN109936408A (zh) 一种使用可见光的水下通信设备及其使用方法
CN111510215B (zh) 一种基于蓝光led的便携式潜水通信设备
JPH0242833A (ja) 光空間伝送通信装置
WO2015115704A1 (fr) Dispositif et procédé de transmission, et dispositif et procédé de réception dans un système de communication optique sans fil
ES2194287T3 (es) Metodo y disposicion para transicion entre un estado de baja potencia y un estado de plena otencia en un sistema de comunicacion.
Das et al. MIL-STD-1553 based wireless visible light communication system

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15908865

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15908865

Country of ref document: EP

Kind code of ref document: A1