GB2393061B - Composite decoding - Google Patents

Composite decoding

Info

Publication number
GB2393061B
GB2393061B GB0221162A GB0221162A GB2393061B GB 2393061 B GB2393061 B GB 2393061B GB 0221162 A GB0221162 A GB 0221162A GB 0221162 A GB0221162 A GB 0221162A GB 2393061 B GB2393061 B GB 2393061B
Authority
GB
United Kingdom
Prior art keywords
composite decoding
decoding
composite
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
GB0221162A
Other versions
GB0221162D0 (en
GB2393061A (en
Inventor
Martin Weston
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.)
Snell Advanced Media Ltd
Original Assignee
Snell and Wilcox 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
Application filed by Snell and Wilcox Ltd filed Critical Snell and Wilcox Ltd
Priority to GB0603154A priority Critical patent/GB2420671B/en
Priority to GB0221162A priority patent/GB2393061B/en
Publication of GB0221162D0 publication Critical patent/GB0221162D0/en
Publication of GB2393061A publication Critical patent/GB2393061A/en
Application granted granted Critical
Publication of GB2393061B publication Critical patent/GB2393061B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
GB0221162A 2002-09-12 2002-09-12 Composite decoding Expired - Fee Related GB2393061B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0603154A GB2420671B (en) 2002-09-12 2002-09-12 Composite decoding
GB0221162A GB2393061B (en) 2002-09-12 2002-09-12 Composite decoding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0221162A GB2393061B (en) 2002-09-12 2002-09-12 Composite decoding

Publications (3)

Publication Number Publication Date
GB0221162D0 GB0221162D0 (en) 2002-10-23
GB2393061A GB2393061A (en) 2004-03-17
GB2393061B true GB2393061B (en) 2006-08-02

Family

ID=9943930

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0603154A Expired - Fee Related GB2420671B (en) 2002-09-12 2002-09-12 Composite decoding
GB0221162A Expired - Fee Related GB2393061B (en) 2002-09-12 2002-09-12 Composite decoding

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0603154A Expired - Fee Related GB2420671B (en) 2002-09-12 2002-09-12 Composite decoding

Country Status (1)

Country Link
GB (2) GB2420671B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1490205A (en) * 1973-10-22 1977-10-26 Indesit Colour television decoder
US4223339A (en) * 1979-05-11 1980-09-16 Rca Corporation Video image vertical detail restoration and enhancement
US4651196A (en) * 1985-03-19 1987-03-17 Rca Corporation Adaptive control of the chrominance signal frequency response in a video signal processing system
EP0241312A2 (en) * 1986-04-11 1987-10-14 Avesco p.l.c. Method and apparatus for decoding colour video signals using a digital comb filter
US5459524A (en) * 1991-11-18 1995-10-17 Cooper; J. Carl Phase modulation demodulator apparatus and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1490205A (en) * 1973-10-22 1977-10-26 Indesit Colour television decoder
US4223339A (en) * 1979-05-11 1980-09-16 Rca Corporation Video image vertical detail restoration and enhancement
US4651196A (en) * 1985-03-19 1987-03-17 Rca Corporation Adaptive control of the chrominance signal frequency response in a video signal processing system
EP0241312A2 (en) * 1986-04-11 1987-10-14 Avesco p.l.c. Method and apparatus for decoding colour video signals using a digital comb filter
US5459524A (en) * 1991-11-18 1995-10-17 Cooper; J. Carl Phase modulation demodulator apparatus and method

Also Published As

Publication number Publication date
GB0603154D0 (en) 2006-03-29
GB2420671B (en) 2006-08-02
GB2420671A (en) 2006-05-31
GB0221162D0 (en) 2002-10-23
GB2393061A (en) 2004-03-17

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Legal Events

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

Effective date: 20180912