GB0200243D0 - Optical free space signalling system - Google Patents

Optical free space signalling system

Info

Publication number
GB0200243D0
GB0200243D0 GB0200243A GB0200243A GB0200243D0 GB 0200243 D0 GB0200243 D0 GB 0200243D0 GB 0200243 A GB0200243 A GB 0200243A GB 0200243 A GB0200243 A GB 0200243A GB 0200243 D0 GB0200243 D0 GB 0200243D0
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.)
Withdrawn
Application number
GB0200243A
Other versions
GB2383910A (en
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.)
Quantumbeam 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
Application filed by Quantumbeam Ltd filed Critical Quantumbeam Ltd
Priority to GB0200243A priority Critical patent/GB2383910A/en
Publication of GB0200243D0 publication Critical patent/GB0200243D0/en
Priority to PCT/GB2003/000021 priority patent/WO2003057221A1/en
Priority to TW92100250A priority patent/TW200412738A/en
Priority to AU2003201637A priority patent/AU2003201637A1/en
Publication of GB2383910A publication Critical patent/GB2383910A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/112Line-of-sight transmission over an extended range
    • H04B10/1123Bidirectional transmission
    • H04B10/1125Bidirectional transmission using a single common optical path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/112Line-of-sight transmission over an extended range
    • H04B10/1123Bidirectional transmission
    • H04B10/1127Bidirectional transmission using two distinct parallel optical paths
GB0200243A 2002-01-07 2002-01-07 Optical free space signalling system Withdrawn GB2383910A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0200243A GB2383910A (en) 2002-01-07 2002-01-07 Optical free space signalling system
PCT/GB2003/000021 WO2003057221A1 (en) 2002-01-07 2003-01-07 Optical free space signalling system
TW92100250A TW200412738A (en) 2002-01-07 2003-01-07 Optical free space signaling system
AU2003201637A AU2003201637A1 (en) 2002-01-07 2003-01-07 Optical free space signalling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0200243A GB2383910A (en) 2002-01-07 2002-01-07 Optical free space signalling system

Publications (2)

Publication Number Publication Date
GB0200243D0 true GB0200243D0 (en) 2002-02-20
GB2383910A GB2383910A (en) 2003-07-09

Family

ID=9928691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0200243A Withdrawn GB2383910A (en) 2002-01-07 2002-01-07 Optical free space signalling system

Country Status (4)

Country Link
AU (1) AU2003201637A1 (en)
GB (1) GB2383910A (en)
TW (1) TW200412738A (en)
WO (1) WO2003057221A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103595471B (en) * 2013-12-02 2019-07-26 吴东辉 A kind of method and system and device of space optical communication

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777660A (en) * 1984-11-06 1988-10-11 Optelecom Incorporated Retroreflective optical communication system
DE4031043A1 (en) * 1990-10-01 1992-04-02 Precitronic Laser beam transmission and reception device - regulates feedback power using measured intensity of reflected beam
GB2256308B (en) * 1991-05-29 1995-04-19 Northern Telecom Ltd Binary modulation of injection lasers
FR2682239B1 (en) * 1991-10-04 1994-11-04 Cit Alcatel BIDIRECTIONAL TRANSMISSION SYSTEM, IN PARTICULAR BY OPTICAL FIBER, WITH A SINGLE CARRIER FOR BOTH WAYS OF TRANSMISSION.
JPH07297791A (en) * 1994-04-25 1995-11-10 Sony Corp Optical space transmission equipment
JPH08223117A (en) * 1995-02-08 1996-08-30 Sony Corp Optical space transmission equipment
TW312063B (en) * 1995-08-31 1997-08-01 Sony Co Ltd
US6323978B1 (en) * 1998-04-06 2001-11-27 Nortel Networks Limited Robust variable-bit-rate optical channel overhead
AU763790B2 (en) * 1999-07-08 2003-07-31 Quantumbeam Limited Signalling system

Also Published As

Publication number Publication date
AU2003201637A8 (en) 2003-07-24
AU2003201637A1 (en) 2003-07-24
WO2003057221A1 (en) 2003-07-17
WO2003057221A9 (en) 2003-09-12
TW200412738A (en) 2004-07-16
GB2383910A (en) 2003-07-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)