DE69823336D1 - Signalisierungssystem - Google Patents

Signalisierungssystem

Info

Publication number
DE69823336D1
DE69823336D1 DE69823336T DE69823336T DE69823336D1 DE 69823336 D1 DE69823336 D1 DE 69823336D1 DE 69823336 T DE69823336 T DE 69823336T DE 69823336 T DE69823336 T DE 69823336T DE 69823336 D1 DE69823336 D1 DE 69823336D1
Authority
DE
Germany
Prior art keywords
signalling
signal
devices
signalling device
multipoint
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
Application number
DE69823336T
Other languages
English (en)
Other versions
DE69823336T2 (de
Inventor
Edward Green
Euan Morrison
Martin Pettigrew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scientific Generics Ltd
Original Assignee
Quantumbeam Ltd
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 GBGB9702726.2A external-priority patent/GB9702726D0/en
Priority claimed from GBGB9706062.8A external-priority patent/GB9706062D0/en
Application filed by Quantumbeam Ltd filed Critical Quantumbeam Ltd
Publication of DE69823336D1 publication Critical patent/DE69823336D1/de
Application granted granted Critical
Publication of DE69823336T2 publication Critical patent/DE69823336T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
DE69823336T 1997-02-11 1998-02-11 Signalisierungssystem Expired - Fee Related DE69823336T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9702726 1997-02-11
GBGB9702726.2A GB9702726D0 (en) 1997-02-11 1997-02-11 Optical point-to-multipoint transmission
GB9706062 1997-03-24
GBGB9706062.8A GB9706062D0 (en) 1997-03-24 1997-03-24 Optical retro-reflector
PCT/GB1998/000421 WO1998035328A2 (en) 1997-02-11 1998-02-11 Signalling system

Publications (2)

Publication Number Publication Date
DE69823336D1 true DE69823336D1 (de) 2004-05-27
DE69823336T2 DE69823336T2 (de) 2005-06-30

Family

ID=26310962

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69823336T Expired - Fee Related DE69823336T2 (de) 1997-02-11 1998-02-11 Signalisierungssystem

Country Status (8)

Country Link
US (1) US6624916B1 (de)
EP (2) EP1294112A3 (de)
JP (1) JP2002511204A (de)
AT (1) ATE265110T1 (de)
AU (1) AU6000898A (de)
CA (1) CA2279934A1 (de)
DE (1) DE69823336T2 (de)
WO (1) WO1998035328A2 (de)

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Publication number Publication date
EP0960492A2 (de) 1999-12-01
US6624916B1 (en) 2003-09-23
EP0960492B1 (de) 2004-04-21
EP1294112A3 (de) 2003-04-23
WO1998035328A2 (en) 1998-08-13
EP1294112A2 (de) 2003-03-19
ATE265110T1 (de) 2004-05-15
AU6000898A (en) 1998-08-26
WO1998035328A3 (en) 1998-12-23
JP2002511204A (ja) 2002-04-09
DE69823336T2 (de) 2005-06-30
CA2279934A1 (en) 1998-08-13

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