AU2003201637A1 - Optical free space signalling system - Google Patents

Optical free space signalling system

Info

Publication number
AU2003201637A1
AU2003201637A1 AU2003201637A AU2003201637A AU2003201637A1 AU 2003201637 A1 AU2003201637 A1 AU 2003201637A1 AU 2003201637 A AU2003201637 A AU 2003201637A AU 2003201637 A AU2003201637 A AU 2003201637A AU 2003201637 A1 AU2003201637 A1 AU 2003201637A1
Authority
AU
Australia
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.)
Abandoned
Application number
AU2003201637A
Other versions
AU2003201637A8 (en
Inventor
Alan Edward Green
Euan Morrison
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
Publication of AU2003201637A8 publication Critical patent/AU2003201637A8/en
Publication of AU2003201637A1 publication Critical patent/AU2003201637A1/en
Abandoned 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
AU2003201637A 2002-01-07 2003-01-07 Optical free space signalling system Abandoned AU2003201637A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0200243.4 2002-01-07
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

Publications (2)

Publication Number Publication Date
AU2003201637A8 AU2003201637A8 (en) 2003-07-24
AU2003201637A1 true AU2003201637A1 (en) 2003-07-24

Family

ID=9928691

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003201637A Abandoned AU2003201637A1 (en) 2002-01-07 2003-01-07 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
EP1197018A1 (en) * 1999-07-08 2002-04-17 QuantumBeam Limited Signalling system

Also Published As

Publication number Publication date
GB0200243D0 (en) 2002-02-20
GB2383910A (en) 2003-07-09
AU2003201637A8 (en) 2003-07-24
WO2003057221A9 (en) 2003-09-12
TW200412738A (en) 2004-07-16
WO2003057221A1 (en) 2003-07-17

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase