GB2079091B - Decoding and filtering of colour television signals - Google Patents

Decoding and filtering of colour television signals

Info

Publication number
GB2079091B
GB2079091B GB8116709A GB8116709A GB2079091B GB 2079091 B GB2079091 B GB 2079091B GB 8116709 A GB8116709 A GB 8116709A GB 8116709 A GB8116709 A GB 8116709A GB 2079091 B GB2079091 B GB 2079091B
Authority
GB
United Kingdom
Prior art keywords
decoding
filtering
television signals
colour television
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
GB8116709A
Other versions
GB2079091A (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
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB8116709A priority Critical patent/GB2079091B/en
Publication of GB2079091A publication Critical patent/GB2079091A/en
Application granted granted Critical
Publication of GB2079091B publication Critical patent/GB2079091B/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/77Circuits 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
    • H04N9/78Circuits 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00Colour television systems
    • H04N11/06Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14Transmission 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
    • H04N11/16Transmission 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
    • H04N11/165Decoding means therefor
GB8116709A 1980-06-02 1981-06-01 Decoding and filtering of colour television signals Expired GB2079091B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8116709A GB2079091B (en) 1980-06-02 1981-06-01 Decoding and filtering of colour television signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8017916 1980-06-02
GB8116709A GB2079091B (en) 1980-06-02 1981-06-01 Decoding and filtering of colour television signals

Publications (2)

Publication Number Publication Date
GB2079091A GB2079091A (en) 1982-01-13
GB2079091B true GB2079091B (en) 1984-02-01

Family

ID=26275705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8116709A Expired GB2079091B (en) 1980-06-02 1981-06-01 Decoding and filtering of colour television signals

Country Status (1)

Country Link
GB (1) GB2079091B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171387A (en) * 1983-03-18 1984-09-27 Hitachi Ltd Method for constituting television signal
EP0124280B1 (en) * 1983-04-04 1989-05-24 Ampex Corporation Method and apparatus for the extraction of luminance information from a video signal
CA1270322A (en) * 1983-12-22 1990-06-12 Kotaro Asai Adaptive comb filter
US4823184A (en) * 1984-04-09 1989-04-18 Corporate Communications Consultants, Inc. Color correction system and method with scene-change detection
DE3435264A1 (en) * 1984-09-26 1986-04-03 ANT Nachrichtentechnik GmbH, 7150 Backnang METHOD FOR COMPATIBLE RESOLUTION ENHANCEMENT FOR COLOR TELEVISION TRANSMISSION SYSTEMS WITH REDUCTION OF CROSS-Crosstalk IN MOVEMENT-ADAPTIVE IMAGE PROCESSING
US4893176A (en) * 1985-10-09 1990-01-09 Faroudja Y C Adaptive comb filter for quadrature modulated color television systems
FR2595896B1 (en) * 1986-03-17 1988-05-13 France Etat DEVICE FOR DIGITAL DECODING OF TELEVISION SIGNALS WITH ADAPTIVE LUMINANCE AND CHROMINANCE SEPARATION MEANS
US4864389A (en) * 1986-05-01 1989-09-05 Faroudja Laboratories, Inc. Comb filter method and apparatus for chrominance and luminance separation in quadrature modulated color subcarrier television systems
GB8622680D0 (en) * 1986-09-19 1986-10-22 Robinson R N Decoder
US4786963A (en) * 1987-06-26 1988-11-22 Rca Licensing Corporation Adaptive Y/C separation apparatus for TV signals
US4910585A (en) * 1988-06-29 1990-03-20 General Electric Company Frequency selective video signal intraframe processor
US5005074A (en) * 1989-11-17 1991-04-02 Rca Licensing Corporation Adaptive multistandard video comb filter
US5016092A (en) * 1989-11-17 1991-05-14 Rca Licensing Corporation Control circuitry for an adaptive multistandard video comb filter

Also Published As

Publication number Publication date
GB2079091A (en) 1982-01-13

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Legal Events

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

Effective date: 19990601