GB2209255B - Video transmission - Google Patents

Video transmission

Info

Publication number
GB2209255B
GB2209255B GB8720336A GB8720336A GB2209255B GB 2209255 B GB2209255 B GB 2209255B GB 8720336 A GB8720336 A GB 8720336A GB 8720336 A GB8720336 A GB 8720336A GB 2209255 B GB2209255 B GB 2209255B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
video
transmission
video transmission
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 - Fee Related
Application number
GB8720336A
Other versions
GB8720336D0 (en )
GB2209255A (en )
Inventor
Simon Howard Spencer
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.)
GEC Avionics Ltd
Original Assignee
GEC Avionics 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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
GB8720336A 1987-08-28 1987-08-28 Video transmission Expired - Fee Related GB2209255B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8720336A GB2209255B (en) 1987-08-28 1987-08-28 Video transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8720336A GB2209255B (en) 1987-08-28 1987-08-28 Video transmission

Publications (3)

Publication Number Publication Date
GB8720336D0 GB8720336D0 (en) 1988-06-02
GB2209255A true GB2209255A (en) 1989-05-04
GB2209255B true GB2209255B (en) 1992-04-01

Family

ID=10622965

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8720336A Expired - Fee Related GB2209255B (en) 1987-08-28 1987-08-28 Video transmission

Country Status (1)

Country Link
GB (1) GB2209255B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981003098A1 (en) * 1980-04-15 1981-10-29 Harris Video Systems Inc Sampling and re-formatting method and system for processing color video type signals to improve picture quality
US4443660A (en) * 1980-02-04 1984-04-17 Rockwell International Corporation System and method for encrypting a voice signal
GB2139847A (en) * 1983-03-15 1984-11-14 Victor Company Of Japan Color video signal recording and reproducing apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443660A (en) * 1980-02-04 1984-04-17 Rockwell International Corporation System and method for encrypting a voice signal
WO1981003098A1 (en) * 1980-04-15 1981-10-29 Harris Video Systems Inc Sampling and re-formatting method and system for processing color video type signals to improve picture quality
GB2139847A (en) * 1983-03-15 1984-11-14 Victor Company Of Japan Color video signal recording and reproducing apparatus

Also Published As

Publication number Publication date Type
GB8720336D0 (en) 1988-06-02 grant
GB2209255A (en) 1989-05-04 application

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Legal Events

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

Effective date: 19920701