AU2001225333A1 - Directional transponders - Google Patents

Directional transponders

Info

Publication number
AU2001225333A1
AU2001225333A1 AU2001225333A AU2533301A AU2001225333A1 AU 2001225333 A1 AU2001225333 A1 AU 2001225333A1 AU 2001225333 A AU2001225333 A AU 2001225333A AU 2533301 A AU2533301 A AU 2533301A AU 2001225333 A1 AU2001225333 A1 AU 2001225333A1
Authority
AU
Australia
Prior art keywords
transponders
directional
directional transponders
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
AU2001225333A
Inventor
Peter Coward
James Lesurf
Duncan Robertson
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.)
Qinetiq Ltd
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of AU2001225333A1 publication Critical patent/AU2001225333A1/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
AU2001225333A 2000-01-13 2001-01-12 Directional transponders Abandoned AU2001225333A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0000594A GB0000594D0 (en) 2000-01-13 2000-01-13 Directional transponders
GB0000594 2000-01-13
PCT/GB2001/000100 WO2001052449A2 (en) 2000-01-13 2001-01-12 Directional transponders

Publications (1)

Publication Number Publication Date
AU2001225333A1 true AU2001225333A1 (en) 2001-07-24

Family

ID=9883525

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001225333A Abandoned AU2001225333A1 (en) 2000-01-13 2001-01-12 Directional transponders

Country Status (3)

Country Link
AU (1) AU2001225333A1 (en)
GB (1) GB0000594D0 (en)
WO (1) WO2001052449A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017163169A1 (en) * 2016-03-21 2017-09-28 Wayotec Gmbh Communication system having mobile transmitters and receivers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113403A (en) * 1990-10-15 1992-05-12 International Business Machines Corporation Bidirectional free-space optical bus for electronics systems
US5307194A (en) * 1992-03-24 1994-04-26 Grumman Aerospace Corporation Covert communication system using ultraviolet light
US6348986B1 (en) * 1996-03-29 2002-02-19 Dominion Lasercom. Inc. Wireless fiber-coupled telecommunication systems based on atmospheric transmission of laser signals

Also Published As

Publication number Publication date
GB0000594D0 (en) 2000-03-01
WO2001052449A3 (en) 2002-01-31
WO2001052449A2 (en) 2001-07-19

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