JPWO2021152679A1 - - Google Patents
Info
- Publication number
- JPWO2021152679A1 JPWO2021152679A1 JP2021573652A JP2021573652A JPWO2021152679A1 JP WO2021152679 A1 JPWO2021152679 A1 JP WO2021152679A1 JP 2021573652 A JP2021573652 A JP 2021573652A JP 2021573652 A JP2021573652 A JP 2021573652A JP WO2021152679 A1 JPWO2021152679 A1 JP WO2021152679A1
- Authority
- JP
- Japan
- 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
Classifications
-
- 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
-
- 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
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1129—Arrangements for outdoor wireless networking of information
-
- 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
- H04B10/1143—Bidirectional transmission
-
- 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
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/614—Coherent receivers comprising one or more polarization beam splitters, e.g. polarization multiplexed [PolMux] X-PSK coherent receivers, polarization diversity heterodyne coherent receivers
-
- 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
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computing Systems (AREA)
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/002852 WO2021152679A1 (ja) | 2020-01-27 | 2020-01-27 | 空間光通信用ファイバ分岐構造およびそれを備えた光通信システム |
Publications (3)
Publication Number | Publication Date |
---|---|
JPWO2021152679A1 true JPWO2021152679A1 (ja) | 2021-08-05 |
JPWO2021152679A5 JPWO2021152679A5 (ja) | 2022-09-29 |
JP7426675B2 JP7426675B2 (ja) | 2024-02-02 |
Family
ID=77078324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021573652A Active JP7426675B2 (ja) | 2020-01-27 | 2020-01-27 | 空間光通信用ファイバ分岐構造およびそれを備えた光通信システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US11956012B2 (ja) |
EP (1) | EP4099583A4 (ja) |
JP (1) | JP7426675B2 (ja) |
TW (1) | TW202130141A (ja) |
WO (1) | WO2021152679A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011254256A (ja) * | 2010-06-01 | 2011-12-15 | Nippon Telegr & Teleph Corp <Ntt> | 光通信システム及び光通信方法 |
JP2017028572A (ja) * | 2015-07-24 | 2017-02-02 | 日本電信電話株式会社 | 局側終端装置および通信制御方法 |
WO2017104075A1 (ja) * | 2015-12-18 | 2017-06-22 | 三菱電機株式会社 | 光通信装置、制御信号生成回路、制御信号受信回路および光通信システム |
JP2018007069A (ja) * | 2016-07-04 | 2018-01-11 | ダイトロンテクノロジー株式会社 | 水中光通信装置 |
WO2019049598A1 (ja) * | 2017-09-07 | 2019-03-14 | 村田機械株式会社 | 有軌道台車用光通信システム |
JP2019176046A (ja) * | 2018-03-29 | 2019-10-10 | 株式会社島津製作所 | 水中用レーザ光源 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3311187B2 (ja) * | 1995-01-26 | 2002-08-05 | キヤノン株式会社 | 双方向光空間伝送装置 |
US6347001B1 (en) * | 1998-11-03 | 2002-02-12 | Trex Communications Corporation | Free-space laser communication system having six axes of movement |
US7181143B2 (en) * | 2002-06-05 | 2007-02-20 | Canon Kabushiki Kaisha | Free space optics communication apparatus and free space optics communication system |
EP1865631B1 (en) * | 2002-10-24 | 2011-04-13 | Nakagawa Laboratories, Inc. | Illumination light communication device |
CA2455284C (en) * | 2004-01-16 | 2013-01-08 | Penguin Automated Systems Inc. | Underwater optical communications system and method |
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 |
US9590761B2 (en) * | 2011-09-23 | 2017-03-07 | Commscope Technologies Llc | Detective passive RF components using radio frequency identification tags |
CN105790838B (zh) | 2016-03-24 | 2018-07-17 | 北京邮电大学 | 一种光纤/可见光水陆异构网络架构及通信方法 |
US20170346557A1 (en) * | 2016-05-25 | 2017-11-30 | Korea Maritime and Ocean University Research and Development Business Foundation | Underwater visible light transceiving terminal |
-
2020
- 2020-01-27 JP JP2021573652A patent/JP7426675B2/ja active Active
- 2020-01-27 EP EP20916639.6A patent/EP4099583A4/en active Pending
- 2020-01-27 US US17/792,517 patent/US11956012B2/en active Active
- 2020-01-27 WO PCT/JP2020/002852 patent/WO2021152679A1/ja unknown
-
2021
- 2021-01-25 TW TW110102621A patent/TW202130141A/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011254256A (ja) * | 2010-06-01 | 2011-12-15 | Nippon Telegr & Teleph Corp <Ntt> | 光通信システム及び光通信方法 |
JP2017028572A (ja) * | 2015-07-24 | 2017-02-02 | 日本電信電話株式会社 | 局側終端装置および通信制御方法 |
WO2017104075A1 (ja) * | 2015-12-18 | 2017-06-22 | 三菱電機株式会社 | 光通信装置、制御信号生成回路、制御信号受信回路および光通信システム |
JP2018007069A (ja) * | 2016-07-04 | 2018-01-11 | ダイトロンテクノロジー株式会社 | 水中光通信装置 |
WO2019049598A1 (ja) * | 2017-09-07 | 2019-03-14 | 村田機械株式会社 | 有軌道台車用光通信システム |
JP2019176046A (ja) * | 2018-03-29 | 2019-10-10 | 株式会社島津製作所 | 水中用レーザ光源 |
Also Published As
Publication number | Publication date |
---|---|
JP7426675B2 (ja) | 2024-02-02 |
US11956012B2 (en) | 2024-04-09 |
WO2021152679A1 (ja) | 2021-08-05 |
EP4099583A4 (en) | 2023-10-18 |
US20230059214A1 (en) | 2023-02-23 |
EP4099583A1 (en) | 2022-12-07 |
TW202130141A (zh) | 2021-08-01 |
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