GB2158668B - Communications systems - Google Patents

Communications systems

Info

Publication number
GB2158668B
GB2158668B GB08511557A GB8511557A GB2158668B GB 2158668 B GB2158668 B GB 2158668B GB 08511557 A GB08511557 A GB 08511557A GB 8511557 A GB8511557 A GB 8511557A GB 2158668 B GB2158668 B GB 2158668B
Authority
GB
United Kingdom
Prior art keywords
communications systems
communications
systems
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
GB08511557A
Other versions
GB2158668A (en
GB8511557D0 (en
Inventor
Peter Hugh Dickinson
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.)
BAE Systems PLC
Original Assignee
British Aerospace 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 British Aerospace PLC filed Critical British Aerospace PLC
Priority to GB08511557A priority Critical patent/GB2158668B/en
Publication of GB8511557D0 publication Critical patent/GB8511557D0/en
Publication of GB2158668A publication Critical patent/GB2158668A/en
Application granted granted Critical
Publication of GB2158668B publication Critical patent/GB2158668B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18502—Airborne stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
GB08511557A 1984-05-08 1985-05-07 Communications systems Expired GB2158668B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08511557A GB2158668B (en) 1984-05-08 1985-05-07 Communications systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8411715 1984-05-08
GB08511557A GB2158668B (en) 1984-05-08 1985-05-07 Communications systems

Publications (3)

Publication Number Publication Date
GB8511557D0 GB8511557D0 (en) 1985-07-10
GB2158668A GB2158668A (en) 1985-11-13
GB2158668B true GB2158668B (en) 1987-10-14

Family

ID=26287710

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08511557A Expired GB2158668B (en) 1984-05-08 1985-05-07 Communications systems

Country Status (1)

Country Link
GB (1) GB2158668B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9005004A (en) * 1990-10-05 1993-03-09 Petroleo Brasileiro Sa SUBMARINE COMMUNICATION SYSTEM USING THE PHYSICAL MEDIA
FR2668834A1 (en) * 1990-11-02 1992-05-07 Thomson Csf Method for transmitting data from a submarine vehicle to the surface, in particular with a view to locating it, and implementation devices
EP0452985A3 (en) * 1990-12-21 1993-05-19 Kaman Aerospace Corporation Imaging lidar systems and k-meters employing tunable and fixed frequency laser transmitters

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3536922A (en) * 1966-08-31 1970-10-27 Nippon Electric Co Space diversity optical communication system
US3522433A (en) * 1968-01-15 1970-08-04 Hughes Aircraft Co Satellite command system

Also Published As

Publication number Publication date
GB2158668A (en) 1985-11-13
GB8511557D0 (en) 1985-07-10

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Legal Events

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

Effective date: 19930502