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WO2001005069A3 - Systeme de signalisation - Google Patents

Systeme de signalisation Download PDF

Info

Publication number
WO2001005069A3
WO2001005069A3 PCT/GB2000/002668 GB0002668W WO0105069A3 WO 2001005069 A3 WO2001005069 A3 WO 2001005069A3 GB 0002668 W GB0002668 W GB 0002668W WO 0105069 A3 WO0105069 A3 WO 0105069A3
Authority
WO
WIPO (PCT)
Prior art keywords
signalling system
free space
arrays
optical free
array
Prior art date
Application number
PCT/GB2000/002668
Other languages
English (en)
Other versions
WO2001005069A2 (fr
Inventor
Alan Edward Green
Euan Morrison
Michael Reynolds
Original Assignee
Quantumbeam Ltd
Alan Edward Green
Euan Morrison
Michael Reynolds
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
Priority claimed from GBGB9916080.6A external-priority patent/GB9916080D0/en
Priority claimed from GBGB9916422.0A external-priority patent/GB9916422D0/en
Application filed by Quantumbeam Ltd, Alan Edward Green, Euan Morrison, Michael Reynolds filed Critical Quantumbeam Ltd
Priority to CA002378410A priority Critical patent/CA2378410A1/fr
Priority to AU61668/00A priority patent/AU6166800A/en
Priority to JP2001509184A priority patent/JP2003523108A/ja
Priority to EP00948094A priority patent/EP1282947A2/fr
Publication of WO2001005069A2 publication Critical patent/WO2001005069A2/fr
Publication of WO2001005069A3 publication Critical patent/WO2001005069A3/fr

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
    • H04B10/25—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)
  • Optical Couplings Of Light Guides (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un système de signalisation dans lequel on utilise au moins une matrice d'éléments de communication en même temps qu'un élément optique supplémentaire, afin d'accroître, dans le(s) groupe(s), la densité apparente de tassement des éléments. Dans un mode de réalisation on obtient cet accroissement en utilisant un ensemble de microlentilles adaptées au(x) matrice(s) d'éléments de communication. Dans un autre mode de réalisation, on a combiné optiquement deux matrices avec un diviseur de faisceaux. Dans un troisième mode de réalisation, on utilise deux systèmes optiques décalés l'un de l'autre en formant entre eux un angle, de façon à créer une cartographie différente entre une position dans la matrice et une position dans le champ de vision.
PCT/GB2000/002668 1999-07-08 2000-07-10 Systeme de signalisation WO2001005069A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002378410A CA2378410A1 (fr) 1999-07-08 2000-07-10 Systeme de signalisation optique a espace libre
AU61668/00A AU6166800A (en) 1999-07-08 2000-07-10 Signalling system
JP2001509184A JP2003523108A (ja) 1999-07-08 2000-07-10 信号システム
EP00948094A EP1282947A2 (fr) 1999-07-08 2000-07-10 Systeme de signalisation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9916080.6 1999-07-08
GBGB9916080.6A GB9916080D0 (en) 1999-07-08 1999-07-08 Increased packing density
GBGB9916422.0A GB9916422D0 (en) 1999-07-13 1999-07-13 Optical cellular communication
GB9916422.0 1999-08-13

Publications (2)

Publication Number Publication Date
WO2001005069A2 WO2001005069A2 (fr) 2001-01-18
WO2001005069A3 true WO2001005069A3 (fr) 2002-11-14

Family

ID=26315747

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/002668 WO2001005069A2 (fr) 1999-07-08 2000-07-10 Systeme de signalisation

Country Status (5)

Country Link
EP (1) EP1282947A2 (fr)
JP (1) JP2003523108A (fr)
AU (1) AU6166800A (fr)
CA (1) CA2378410A1 (fr)
WO (1) WO2001005069A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6522437B2 (en) * 2001-02-15 2003-02-18 Harris Corporation Agile multi-beam free-space optical communication apparatus
US7106973B2 (en) * 2002-08-13 2006-09-12 Lightpointe Communications, Inc. Apparatus and method for use in free-space optical communication comprising optically aligned components integrated on circuit boards
US7120363B2 (en) 2002-12-20 2006-10-10 Lightpointe Communications, Inc. Method and apparatus for maintaining optical alignment for free-space optical communication
WO2020193274A1 (fr) * 2019-03-25 2020-10-01 Signify Holding B.V. Verrouillage de faisceau pour communication optique en espace libre à l'aide de lasers à cavité verticale émettant par la surface

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186457A (en) * 1984-10-18 1987-08-12 Gec Avionics Optical communications
WO1998035328A2 (fr) * 1997-02-11 1998-08-13 Scientific Generics Limited Systeme de signalisation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186457A (en) * 1984-10-18 1987-08-12 Gec Avionics Optical communications
WO1998035328A2 (fr) * 1997-02-11 1998-08-13 Scientific Generics Limited Systeme de signalisation

Also Published As

Publication number Publication date
AU6166800A (en) 2001-01-30
WO2001005069A2 (fr) 2001-01-18
JP2003523108A (ja) 2003-07-29
CA2378410A1 (fr) 2001-01-18
EP1282947A2 (fr) 2003-02-12

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