GB2350509B - Optical free space signalling system - Google Patents
Optical free space signalling systemInfo
- Publication number
- GB2350509B GB2350509B GB0022990A GB0022990A GB2350509B GB 2350509 B GB2350509 B GB 2350509B GB 0022990 A GB0022990 A GB 0022990A GB 0022990 A GB0022990 A GB 0022990A GB 2350509 B GB2350509 B GB 2350509B
- Authority
- GB
- United Kingdom
- Prior art keywords
- free space
- signalling system
- optical free
- space signalling
- optical
- 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
Links
- 230000003287 optical effect Effects 0.000 title 1
- 230000011664 signaling Effects 0.000 title 1
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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2587—Arrangements specific to fibre transmission using a single light source for multiple stations
-
- 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
- H04B10/1123—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
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1123—Bidirectional transmission
- H04B10/1125—Bidirectional transmission using a single common optical path
-
- 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
- H04B10/1149—Arrangements for indoor wireless networking of information
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9903142A GB9903142D0 (en) | 1999-02-11 | 1999-02-11 | Free space optical communication system |
| PCT/GB2000/000456 WO2000048338A1 (en) | 1999-02-11 | 2000-02-11 | Optical free space signalling system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0022990D0 GB0022990D0 (en) | 2000-11-01 |
| GB2350509A GB2350509A (en) | 2000-11-29 |
| GB2350509B true GB2350509B (en) | 2001-09-12 |
Family
ID=10847589
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9903142A Ceased GB9903142D0 (en) | 1997-02-11 | 1999-02-11 | Free space optical communication system |
| GB0022990A Expired - Fee Related GB2350509B (en) | 1999-02-11 | 2000-02-11 | Optical free space signalling system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9903142A Ceased GB9903142D0 (en) | 1997-02-11 | 1999-02-11 | Free space optical communication system |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP2003534671A (en) |
| CN (1) | CN1346553A (en) |
| AU (1) | AU2452800A (en) |
| CA (1) | CA2372269A1 (en) |
| GB (2) | GB9903142D0 (en) |
| WO (1) | WO2000048338A1 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2017401A (en) | 1999-12-22 | 2001-07-03 | Quantumbeam Limited | Optical free space signalling system |
| RU2172560C1 (en) | 2000-06-08 | 2001-08-20 | Васильев Владимир Павлович | Optical communication facility |
| GB0025463D0 (en) | 2000-10-17 | 2000-11-29 | Isis Innovation | Improvements in or relating to optical wireless communications |
| US6522437B2 (en) * | 2001-02-15 | 2003-02-18 | Harris Corporation | Agile multi-beam free-space optical communication apparatus |
| RU2212763C2 (en) | 2001-08-16 | 2003-09-20 | Общество с ограниченной ответственностью "Подсолнечник Технологии" | Open optical communication system |
| WO2003075493A2 (en) * | 2002-03-05 | 2003-09-12 | Scientific Generics Ltd. | Optical free-space signalling system |
| JP2009177654A (en) * | 2008-01-28 | 2009-08-06 | National Institute Of Information & Communication Technology | Spatial optical communication device and method |
| CA2677585C (en) * | 2009-09-03 | 2018-05-15 | Penguin Automated Systems Inc. | Optical communication device, system and method |
| WO2012172541A1 (en) * | 2011-06-13 | 2012-12-20 | Wi-Charge Ltd. | Spatially distributed laser resonator |
| JP5967643B2 (en) * | 2012-03-30 | 2016-08-10 | 株式会社アウトスタンディングテクノロジー | Underwater divergent light communication device |
| DE102012011789A1 (en) * | 2012-06-15 | 2013-08-14 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Free-space communication terminal for mobile optical free-beam communication, has lens fixedly connected to terminal, which comprises viewing area, with azimuth angular range and elevation angle range of predetermined degrees |
| US9692508B2 (en) | 2013-07-01 | 2017-06-27 | Nokia Technologies Oy | Directional optical communications |
| SG11201605587WA (en) * | 2014-01-10 | 2016-08-30 | Palmer Labs Llc | Diverged-beam communications system |
| CN103705222A (en) * | 2014-01-17 | 2014-04-09 | 上海理工大学 | Tissue water content real-time measuring device based on electrocoagulation closer |
| JP6410308B2 (en) | 2014-12-12 | 2018-10-24 | 国立大学法人東北大学 | Sensor chip, detection system, and detection method |
| RU2617207C1 (en) * | 2016-02-24 | 2017-04-24 | Ольга Олеговна Матросова | Method of subscriber access to data network |
| CN108020846A (en) * | 2018-01-15 | 2018-05-11 | 上海兰宝传感科技股份有限公司 | A kind of the sensor obstacle avoidance system and method in detectable barrier orientation |
| WO2024043058A1 (en) * | 2022-08-25 | 2024-02-29 | 京セラ株式会社 | Optical communication system, terminal device, and base station device |
| CN115296744B (en) * | 2022-09-29 | 2023-01-03 | 常州联影智融医疗科技有限公司 | Two-way communication device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2196809A (en) * | 1986-10-23 | 1988-05-05 | Plessey Co Plc | Optical communication system |
| GB2221810A (en) * | 1988-07-08 | 1990-02-14 | Univ London | Optical transmission arrangement |
| US5777768A (en) * | 1995-09-01 | 1998-07-07 | Astroterra Corporation | Multiple transmitter laser link |
| US5822099A (en) * | 1995-08-31 | 1998-10-13 | Sony Corporation | Light communication system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19702634C2 (en) * | 1997-01-25 | 2003-02-20 | Leuze Electronic Gmbh & Co | Arrangement of data light barriers |
-
1999
- 1999-02-11 GB GB9903142A patent/GB9903142D0/en not_active Ceased
-
2000
- 2000-02-11 GB GB0022990A patent/GB2350509B/en not_active Expired - Fee Related
- 2000-02-11 JP JP2000599155A patent/JP2003534671A/en active Pending
- 2000-02-11 WO PCT/GB2000/000456 patent/WO2000048338A1/en not_active Ceased
- 2000-02-11 CN CN 00806130 patent/CN1346553A/en active Pending
- 2000-02-11 AU AU24528/00A patent/AU2452800A/en not_active Abandoned
- 2000-02-11 CA CA002372269A patent/CA2372269A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2196809A (en) * | 1986-10-23 | 1988-05-05 | Plessey Co Plc | Optical communication system |
| GB2221810A (en) * | 1988-07-08 | 1990-02-14 | Univ London | Optical transmission arrangement |
| US5822099A (en) * | 1995-08-31 | 1998-10-13 | Sony Corporation | Light communication system |
| US5777768A (en) * | 1995-09-01 | 1998-07-07 | Astroterra Corporation | Multiple transmitter laser link |
Non-Patent Citations (1)
| Title |
|---|
| DE 197 02 634 A 30/7/98 * |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2350509A (en) | 2000-11-29 |
| HK1033619A1 (en) | 2001-09-07 |
| GB9903142D0 (en) | 1999-04-07 |
| WO2000048338A9 (en) | 2001-11-01 |
| CA2372269A1 (en) | 2000-08-17 |
| GB0022990D0 (en) | 2000-11-01 |
| AU2452800A (en) | 2000-08-29 |
| CN1346553A (en) | 2002-04-24 |
| WO2000048338A1 (en) | 2000-08-17 |
| JP2003534671A (en) | 2003-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2017401A (en) | Optical free space signalling system | |
| AU2001230324A1 (en) | Optical free space signalling system | |
| GB2348063B (en) | Optical communication system | |
| EP1221148A4 (en) | Tactiovisual distance-to-exit exit-finding system | |
| GB2357360B (en) | Alarm system | |
| GB2350509B (en) | Optical free space signalling system | |
| AU2001270785A1 (en) | Optical free space signalling system | |
| AU5995400A (en) | Signalling system | |
| AU2001232008A1 (en) | Optical free space signalling system | |
| GB2355610B (en) | Optical system | |
| GB9912133D0 (en) | Alarm system | |
| GB2352105B (en) | Optical system | |
| GB9907271D0 (en) | System | |
| GB9930156D0 (en) | Optical system interface | |
| GB2351625B (en) | Optical system | |
| AU2001233877A1 (en) | Optical signalling system | |
| GB2339943B (en) | Signalling system | |
| GB9911547D0 (en) | Answerphone system | |
| GB9911600D0 (en) | Alarm system | |
| GB9923780D0 (en) | An optical system | |
| HK1033619B (en) | Optical free space signalling system | |
| GB9928867D0 (en) | Mounting system | |
| GB9903176D0 (en) | Alarm system | |
| GB2353665B (en) | Telecommunications system | |
| GB9802910D0 (en) | Free space optical communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20050209 |