JP6076691B2 - 可視光通信システム - Google Patents
可視光通信システム Download PDFInfo
- Publication number
- JP6076691B2 JP6076691B2 JP2012236810A JP2012236810A JP6076691B2 JP 6076691 B2 JP6076691 B2 JP 6076691B2 JP 2012236810 A JP2012236810 A JP 2012236810A JP 2012236810 A JP2012236810 A JP 2012236810A JP 6076691 B2 JP6076691 B2 JP 6076691B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- visible light
- emitting unit
- light emitting
- communication system
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
- H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Description
12…送信装置 14…受信装置 16…変調部
18…選択部 20…第1発光部 22…第2発光部
24…光源 26…補正部 28…光源
30…拡散板 32…受光部 34…復調部
Claims (3)
- 上下方向にずらして配置され、水平方向に相対的に移動可能に設けられる送信装置及び受信装置を備え、可視光を用いた光空間伝送によりデータを前記送信装置から前記受信装置に送信する可視光通信システムにおいて、
前記送信装置は、可視光を出力する第1発光部及び第2発光部と、選択部とを備え、
前記第1発光部は、可視光を発光する光源と、前記光源から放射される光の強度分布が水平面上で均一化するように補正する補正部とを備え、水平面上で光の強度分布が均一化した可視光を出力し、
前記第2発光部は、水平面上で光の強度分布がランバーシアン配光分布となる可視光を出力し、
前記選択部は、前記第1発光部及び前記第2発光部から光空間伝送に用いる1の発光部を選択する
ことを特徴とする可視光通信システム。 - 上下方向にずらして配置され、水平方向に相対的に移動可能に設けられる送信装置及び受信装置を備え、データを前記送信装置から可視光を用いた光空間伝送により前記受信装置に送信する可視光通信システムにおいて、
前記送信装置は、可視光を出力する第1発光部及び第2発光部と、選択部とを備え、
前記第1発光部は、可視光を発光する複数の光源を備え、光の強度分布が水平面上で均一化するように前記複数の光源から放射される光の少なくとも一部が重ね合わせられ、
前記第2発光部は、水平面上で光の強度分布がランバーシアン配光分布となる可視光を出力し、
前記選択部は、前記第1発光部及び前記第2発光部から光空間伝送に用いる1の発光部を選択する
ことを特徴とする可視光通信システム。 - 前記送信装置及び前記受信装置の少なくとも一方が水中に配置され、前記送信装置から出力される可視光が前記水中を通って前記受信装置に伝達されることを特徴とする請求項1又は2に記載の可視光通信システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012236810A JP6076691B2 (ja) | 2012-10-26 | 2012-10-26 | 可視光通信システム |
US14/438,068 US9614625B2 (en) | 2012-10-26 | 2013-10-23 | Visible light communication system |
PCT/JP2013/006267 WO2014064934A1 (ja) | 2012-10-26 | 2013-10-23 | 可視光通信システム |
EP13849020.6A EP2913942B8 (en) | 2012-10-26 | 2013-10-23 | Visible light communication system |
HK15112302.1A HK1211757A1 (en) | 2012-10-26 | 2015-12-15 | Visible light communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012236810A JP6076691B2 (ja) | 2012-10-26 | 2012-10-26 | 可視光通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014087005A JP2014087005A (ja) | 2014-05-12 |
JP6076691B2 true JP6076691B2 (ja) | 2017-02-08 |
Family
ID=50544318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012236810A Expired - Fee Related JP6076691B2 (ja) | 2012-10-26 | 2012-10-26 | 可視光通信システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US9614625B2 (ja) |
EP (1) | EP2913942B8 (ja) |
JP (1) | JP6076691B2 (ja) |
HK (1) | HK1211757A1 (ja) |
WO (1) | WO2014064934A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9490911B2 (en) | 2013-03-15 | 2016-11-08 | Fairfield Industries Incorporated | High-bandwidth underwater data communication system |
US9490910B2 (en) | 2013-03-15 | 2016-11-08 | Fairfield Industries Incorporated | High-bandwidth underwater data communication system |
KR101574614B1 (ko) * | 2014-06-25 | 2015-12-07 | 한국해양대학교 산학협력단 | 점조준 및 등간격 이격조준이 가능한 수중 가시광 무선통신용 송신 장치 |
KR101595877B1 (ko) * | 2014-10-08 | 2016-02-19 | 인제대학교 산학협력단 | 가시광을 이용한 물속 및 해저영역에서의 통신장치 및 방법 |
CN106375005B (zh) * | 2015-12-31 | 2019-04-16 | 中广核工程有限公司 | 可见光通信基站、可见光通信终端及可见光通信*** |
US10488537B2 (en) | 2016-06-30 | 2019-11-26 | Magseis Ff Llc | Seismic surveys with optical communication links |
CN107333239B (zh) * | 2017-07-12 | 2019-12-06 | 黄蓉 | 可见光定位***及方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4664518A (en) * | 1962-07-02 | 1987-05-12 | Pfund Charles E | Secure communication system |
US7953326B2 (en) * | 2006-02-06 | 2011-05-31 | Woods Hole Oceanographic Institution | Systems and methods for underwater optical communication |
KR100754695B1 (ko) * | 2006-06-20 | 2007-09-03 | 삼성전자주식회사 | 광송신기 및 이를 이용한 광무선 네트워크 |
JP4922889B2 (ja) * | 2006-11-06 | 2012-04-25 | パナソニック株式会社 | 光空間伝送を行う光空間伝送システム及びそれに用いられる光送信器 |
JP2008304649A (ja) | 2007-06-06 | 2008-12-18 | Toshiba Corp | 可視光通信装置及び水中用可視光通信システム |
JP4869182B2 (ja) * | 2007-08-28 | 2012-02-08 | 三菱電機特機システム株式会社 | 水中通信システム |
US7969297B2 (en) * | 2008-05-14 | 2011-06-28 | Sony Ericsson Mobile Communications Ab | System and method for determining positioning information via modulated light |
JP5051545B2 (ja) | 2008-05-15 | 2012-10-17 | 独立行政法人海洋研究開発機構 | 水中可視光通信システム及び水中可視光通信方法 |
US8233801B2 (en) * | 2008-08-18 | 2012-07-31 | Vetco Gray Inc. | Wireless high capacity sub-sea communications system |
KR101653832B1 (ko) * | 2009-09-19 | 2016-09-05 | 삼성전자주식회사 | 가시광 통신을 수행하는 이동 단말기의 이동성을 지원하기 위한 장치 및 방법 |
-
2012
- 2012-10-26 JP JP2012236810A patent/JP6076691B2/ja not_active Expired - Fee Related
-
2013
- 2013-10-23 WO PCT/JP2013/006267 patent/WO2014064934A1/ja active Application Filing
- 2013-10-23 EP EP13849020.6A patent/EP2913942B8/en not_active Not-in-force
- 2013-10-23 US US14/438,068 patent/US9614625B2/en not_active Expired - Fee Related
-
2015
- 2015-12-15 HK HK15112302.1A patent/HK1211757A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US9614625B2 (en) | 2017-04-04 |
JP2014087005A (ja) | 2014-05-12 |
EP2913942B1 (en) | 2018-09-26 |
EP2913942A1 (en) | 2015-09-02 |
US20150280839A1 (en) | 2015-10-01 |
EP2913942B8 (en) | 2018-11-14 |
HK1211757A1 (en) | 2016-05-27 |
WO2014064934A1 (ja) | 2014-05-01 |
EP2913942A4 (en) | 2016-06-29 |
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