GB2137845B - Coding and decoding of pal colour television signals - Google Patents

Coding and decoding of pal colour television signals

Info

Publication number
GB2137845B
GB2137845B GB08401173A GB8401173A GB2137845B GB 2137845 B GB2137845 B GB 2137845B GB 08401173 A GB08401173 A GB 08401173A GB 8401173 A GB8401173 A GB 8401173A GB 2137845 B GB2137845 B GB 2137845B
Authority
GB
United Kingdom
Prior art keywords
decoding
coding
television signals
colour television
pal colour
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
GB08401173A
Other versions
GB8401173D0 (en
GB2137845A (en
Inventor
John Oliver Drewery
Christopher Keith Perry Clarke
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 GB8005486A external-priority patent/GB2044577B/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB08401173A priority Critical patent/GB2137845B/en
Publication of GB8401173D0 publication Critical patent/GB8401173D0/en
Publication of GB2137845A publication Critical patent/GB2137845A/en
Application granted granted Critical
Publication of GB2137845B publication Critical patent/GB2137845B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
GB08401173A 1980-02-19 1984-01-17 Coding and decoding of pal colour television signals Expired GB2137845B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08401173A GB2137845B (en) 1980-02-19 1984-01-17 Coding and decoding of pal colour television signals

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8005486A GB2044577B (en) 1979-02-19 1980-02-19 Method of and apparatus for coding and decoding pal colourtelevision signals
GB8011648 1980-04-09
GB08401173A GB2137845B (en) 1980-02-19 1984-01-17 Coding and decoding of pal colour television signals

Publications (3)

Publication Number Publication Date
GB8401173D0 GB8401173D0 (en) 1984-02-22
GB2137845A GB2137845A (en) 1984-10-10
GB2137845B true GB2137845B (en) 1985-04-17

Family

ID=27260870

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08401173A Expired GB2137845B (en) 1980-02-19 1984-01-17 Coding and decoding of pal colour television signals

Country Status (1)

Country Link
GB (1) GB2137845B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9101536D0 (en) * 1991-01-24 1991-03-06 British Broadcasting Corp Improvements in video signals

Also Published As

Publication number Publication date
GB8401173D0 (en) 1984-02-22
GB2137845A (en) 1984-10-10

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Legal Events

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