GB8405435D0 - Video signal transmission - Google Patents

Video signal transmission

Info

Publication number
GB8405435D0
GB8405435D0 GB848405435A GB8405435A GB8405435D0 GB 8405435 D0 GB8405435 D0 GB 8405435D0 GB 848405435 A GB848405435 A GB 848405435A GB 8405435 A GB8405435 A GB 8405435A GB 8405435 D0 GB8405435 D0 GB 8405435D0
Authority
GB
United Kingdom
Prior art keywords
video signal
signal transmission
transmission
video
signal
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.)
Granted
Application number
GB848405435A
Other versions
GB2139448B (en
GB2139448A (en
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 GB838305683A external-priority patent/GB8305683D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB08405435A priority Critical patent/GB2139448B/en
Publication of GB8405435D0 publication Critical patent/GB8405435D0/en
Publication of GB2139448A publication Critical patent/GB2139448A/en
Application granted granted Critical
Publication of GB2139448B publication Critical patent/GB2139448B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/24—High-definition television systems
    • H04N11/26—High-definition television systems involving two-channel transmission
GB08405435A 1983-03-02 1984-03-01 High definition video signal transmission Expired GB2139448B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08405435A GB2139448B (en) 1983-03-02 1984-03-01 High definition video signal transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838305683A GB8305683D0 (en) 1983-03-02 1983-03-02 Transmission of high definition television
GB08405435A GB2139448B (en) 1983-03-02 1984-03-01 High definition video signal transmission

Publications (3)

Publication Number Publication Date
GB8405435D0 true GB8405435D0 (en) 1984-04-04
GB2139448A GB2139448A (en) 1984-11-07
GB2139448B GB2139448B (en) 1986-05-21

Family

ID=26285396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08405435A Expired GB2139448B (en) 1983-03-02 1984-03-01 High definition video signal transmission

Country Status (1)

Country Link
GB (1) GB2139448B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4670783A (en) * 1984-12-21 1987-06-02 North American Philips Corporation High resolution television system
EP0250534B2 (en) * 1985-12-24 1994-09-28 British Broadcasting Corporation Bandwidth compression for television signals
GB8703554D0 (en) * 1987-02-16 1987-03-25 British Broadcasting Corp Signal transmission system
US4989091A (en) * 1988-11-16 1991-01-29 Scientific-Atlanta, Inc. Scan converter for a high definition television system
NL8901399A (en) * 1989-06-02 1990-06-01 Philips Nv METHOD AND APPARATUS FOR REDUCING THE LINE NUMBER OF AN IMAGE SIGNAL AND APPARATUS FOR INCREASING THE LINE NUMBER OF AN IMAGE SIGNAL
DE4113506A1 (en) * 1991-04-25 1992-10-29 Thomson Brandt Gmbh Progressive-scan video signal translation into interlace format - using inverse half band filtering operations in encoder and decoder where vertical interpolates average adjacent lines

Also Published As

Publication number Publication date
GB2139448B (en) 1986-05-21
GB2139448A (en) 1984-11-07

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Legal Events

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