GB2125647B - Active optical transponder system - Google Patents

Active optical transponder system

Info

Publication number
GB2125647B
GB2125647B GB08222968A GB8222968A GB2125647B GB 2125647 B GB2125647 B GB 2125647B GB 08222968 A GB08222968 A GB 08222968A GB 8222968 A GB8222968 A GB 8222968A GB 2125647 B GB2125647 B GB 2125647B
Authority
GB
United Kingdom
Prior art keywords
active optical
transponder system
optical transponder
active
transponder
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
Application number
GB08222968A
Other versions
GB2125647A (en
Inventor
Peter Sothcott
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08222968A priority Critical patent/GB2125647B/en
Publication of GB2125647A publication Critical patent/GB2125647A/en
Application granted granted Critical
Publication of GB2125647B publication Critical patent/GB2125647B/en
Expired 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
    • H04B10/112—Line-of-sight transmission over an extended range

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
GB08222968A 1982-08-10 1982-08-10 Active optical transponder system Expired GB2125647B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08222968A GB2125647B (en) 1982-08-10 1982-08-10 Active optical transponder system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08222968A GB2125647B (en) 1982-08-10 1982-08-10 Active optical transponder system

Publications (2)

Publication Number Publication Date
GB2125647A GB2125647A (en) 1984-03-07
GB2125647B true GB2125647B (en) 1985-09-11

Family

ID=10532213

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08222968A Expired GB2125647B (en) 1982-08-10 1982-08-10 Active optical transponder system

Country Status (1)

Country Link
GB (1) GB2125647B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2228385B (en) * 1989-01-07 1993-08-25 Analytical Instr Ltd A vehicle monitoring system
GB2228641B (en) * 1989-02-28 1994-03-23 Megger Instr Ltd Measuring instrument
KR950003281Y1 (en) * 1992-03-25 1995-04-24 강진구 Remote control transmiting device
JP2739848B2 (en) * 1995-09-21 1998-04-15 日本電気株式会社 Structure of transmitting and receiving unit in infrared communication, and transmitting and receiving method
CA2279934A1 (en) 1997-02-11 1998-08-13 Scientific Generics Limited Signalling system
GB9812431D0 (en) * 1998-06-09 1998-08-05 Radiant Networks Plc Apparatus and method for aligning a transmitter and a receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566126A (en) * 1967-11-29 1971-02-23 Sylvania Electric Prod Acquisition and tracking laser communication system
US3989942A (en) * 1974-12-13 1976-11-02 International Telephone And Telegraph Corporation Retro-reflecting laser responser and data modulator

Also Published As

Publication number Publication date
GB2125647A (en) 1984-03-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee