GB2127643B - Optical data link - Google Patents

Optical data link

Info

Publication number
GB2127643B
GB2127643B GB8320161A GB8320161A GB2127643B GB 2127643 B GB2127643 B GB 2127643B GB 8320161 A GB8320161 A GB 8320161A GB 8320161 A GB8320161 A GB 8320161A GB 2127643 B GB2127643 B GB 2127643B
Authority
GB
United Kingdom
Prior art keywords
data link
optical data
optical
link
data
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
GB8320161A
Other versions
GB2127643A (en
Inventor
Arthur Edward Brewster
William Hugh Powell
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
Priority claimed from GB08227388A external-priority patent/GB2131245A/en
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB8320161A priority Critical patent/GB2127643B/en
Publication of GB2127643A publication Critical patent/GB2127643A/en
Application granted granted Critical
Publication of GB2127643B publication Critical patent/GB2127643B/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
    • H04B10/1121—One-way transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)
GB8320161A 1982-09-24 1983-07-27 Optical data link Expired GB2127643B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8320161A GB2127643B (en) 1982-09-24 1983-07-27 Optical data link

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08227388A GB2131245A (en) 1982-09-24 1982-09-24 Optical data link
GB8320161A GB2127643B (en) 1982-09-24 1983-07-27 Optical data link

Publications (2)

Publication Number Publication Date
GB2127643A GB2127643A (en) 1984-04-11
GB2127643B true GB2127643B (en) 1985-10-16

Family

ID=26283944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8320161A Expired GB2127643B (en) 1982-09-24 1983-07-27 Optical data link

Country Status (1)

Country Link
GB (1) GB2127643B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8195188B2 (en) 1997-08-04 2012-06-05 Enovsys Llc Location reporting satellite paging system with optional blocking of location reporting

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI70487C (en) * 1984-04-26 1986-09-19 Lasertek Oy ANALYZING FOR LASER STRAIGHT
GB8801008D0 (en) * 1988-01-18 1988-02-17 British Aerospace Acquisition system for multiple access optical communication system
GB2228385B (en) * 1989-01-07 1993-08-25 Analytical Instr Ltd A vehicle monitoring system
US5062150A (en) * 1989-01-23 1991-10-29 Massachusetts Institute Of Technology Fiber-based free-space optical system
WO1990008433A1 (en) * 1989-01-23 1990-07-26 Massachusetts Institute Of Technology Fiber-based receiver
US4960315A (en) * 1989-05-19 1990-10-02 At&T Bell Laboratories Atmosphric optical communication link
DE102006001424A1 (en) * 2006-01-10 2007-07-19 Deutsches Zentrum für Luft- und Raumfahrt e.V. Free-space data communication system, has sensor to execute pointing and tracking and acquisition methods, where communication is integrated in user-data stream and adjusts counteractive measures during appearance of performance fading

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB579726A (en) * 1940-04-03 1946-08-14 British Thomson Houston Co Ltd Improvements in secret signalling systems
GB1101223A (en) * 1965-08-12 1968-01-31 Mining & Chemical Products Ltd A two-way communication system
GB1114326A (en) * 1966-03-07 1968-05-22 Medizinische Geratefabrik Berl Light feed device for light conductors
US3633035A (en) * 1968-11-16 1972-01-04 Nippon Selfoc Co Ltd Multiplexed optical communications system
US4011445A (en) * 1975-12-16 1977-03-08 Hughes Aircraft Company Optical array active radar imaging technique
GB1572502A (en) * 1976-08-06 1980-07-30 Smiths Industries Ltd Optical waveguide couplings
GB2040490B (en) * 1979-02-02 1983-02-09 Stone Platt Crawley Ltd Prism for use with a light guide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8195188B2 (en) 1997-08-04 2012-06-05 Enovsys Llc Location reporting satellite paging system with optional blocking of location reporting
US8559942B2 (en) 1997-08-04 2013-10-15 Mundi Fomukong Updating a mobile device's location
US8706078B2 (en) 1997-08-04 2014-04-22 Enovsys Llc Location reporting satellite paging system with privacy feature

Also Published As

Publication number Publication date
GB2127643A (en) 1984-04-11

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Legal Events

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