GB2221812B - Method of and apparatus for receiving television signals - Google Patents

Method of and apparatus for receiving television signals

Info

Publication number
GB2221812B
GB2221812B GB8915901A GB8915901A GB2221812B GB 2221812 B GB2221812 B GB 2221812B GB 8915901 A GB8915901 A GB 8915901A GB 8915901 A GB8915901 A GB 8915901A GB 2221812 B GB2221812 B GB 2221812B
Authority
GB
United Kingdom
Prior art keywords
television signals
receiving television
receiving
signals
television
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
GB8915901A
Other versions
GB2221812A (en
GB8915901D0 (en
Inventor
Michael George Croll
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
Publication of GB8915901D0 publication Critical patent/GB8915901D0/en
Publication of GB2221812A publication Critical patent/GB2221812A/en
Application granted granted Critical
Publication of GB2221812B publication Critical patent/GB2221812B/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
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/20—Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/24—High-definition television systems
    • H04N11/28—High-definition television systems involving bandwidth reduction, e.g. subsampling
    • 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
    • H04N11/167—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 a resolution-increasing signal being multiplexed to the PAL-system signal, e.g. PAL-PLUS-system
GB8915901A 1988-07-28 1989-07-11 Method of and apparatus for receiving television signals Expired - Fee Related GB2221812B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888817978A GB8817978D0 (en) 1988-07-28 1988-07-28 Improvements in high definition video signal transmission systems

Publications (3)

Publication Number Publication Date
GB8915901D0 GB8915901D0 (en) 1989-08-31
GB2221812A GB2221812A (en) 1990-02-14
GB2221812B true GB2221812B (en) 1993-01-20

Family

ID=10641256

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888817978A Pending GB8817978D0 (en) 1988-07-28 1988-07-28 Improvements in high definition video signal transmission systems
GB8915901A Expired - Fee Related GB2221812B (en) 1988-07-28 1989-07-11 Method of and apparatus for receiving television signals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888817978A Pending GB8817978D0 (en) 1988-07-28 1988-07-28 Improvements in high definition video signal transmission systems

Country Status (1)

Country Link
GB (2) GB8817978D0 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003169A1 (en) * 1978-01-09 1979-07-25 Rca Corporation SECAM-PAL television signal converter and receiver including said converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003169A1 (en) * 1978-01-09 1979-07-25 Rca Corporation SECAM-PAL television signal converter and receiver including said converter

Also Published As

Publication number Publication date
GB2221812A (en) 1990-02-14
GB8915901D0 (en) 1989-08-31
GB8817978D0 (en) 1988-09-01

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Legal Events

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

Effective date: 19950711