DE69121902T2 - Restseitenband-übertragungssystem für hdtv mit reduzierter ntsc-interferenz im gemeinsamen übertragungskanal - Google Patents

Restseitenband-übertragungssystem für hdtv mit reduzierter ntsc-interferenz im gemeinsamen übertragungskanal

Info

Publication number
DE69121902T2
DE69121902T2 DE69121902T DE69121902T DE69121902T2 DE 69121902 T2 DE69121902 T2 DE 69121902T2 DE 69121902 T DE69121902 T DE 69121902T DE 69121902 T DE69121902 T DE 69121902T DE 69121902 T2 DE69121902 T2 DE 69121902T2
Authority
DE
Germany
Prior art keywords
hdtv
reduced
side band
transmission system
ntsc interference
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 - Lifetime
Application number
DE69121902T
Other languages
English (en)
Other versions
DE69121902D1 (de
Inventor
Richard Citta
Dennis Mutzabaugh
Gary Sgrignoli
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.)
Zenith Electronics LLC
Original Assignee
Zenith Electronics LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24448197&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69121902(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Zenith Electronics LLC filed Critical Zenith Electronics LLC
Publication of DE69121902D1 publication Critical patent/DE69121902D1/de
Application granted granted Critical
Publication of DE69121902T2 publication Critical patent/DE69121902T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/0803—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division using frequency interleaving, e.g. with precision offset
    • 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
    • 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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/24—High-definition television systems
DE69121902T 1990-11-09 1991-11-07 Restseitenband-übertragungssystem für hdtv mit reduzierter ntsc-interferenz im gemeinsamen übertragungskanal Expired - Lifetime DE69121902T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/611,236 US5087975A (en) 1990-11-09 1990-11-09 VSB HDTV transmission system with reduced NTSC co-channel interference
PCT/US1991/008277 WO1992009174A1 (en) 1990-11-09 1991-11-07 Vsb hdtv transmission system with reduced ntsc co-channel interference

Publications (2)

Publication Number Publication Date
DE69121902D1 DE69121902D1 (de) 1996-10-10
DE69121902T2 true DE69121902T2 (de) 1997-02-13

Family

ID=24448197

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121902T Expired - Lifetime DE69121902T2 (de) 1990-11-09 1991-11-07 Restseitenband-übertragungssystem für hdtv mit reduzierter ntsc-interferenz im gemeinsamen übertragungskanal

Country Status (8)

Country Link
US (2) US5087975A (de)
EP (1) EP0556306B1 (de)
JP (1) JP3098028B2 (de)
KR (1) KR970003479B1 (de)
CA (1) CA2095435C (de)
DE (1) DE69121902T2 (de)
HK (1) HK26497A (de)
WO (1) WO1992009174A1 (de)

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Also Published As

Publication number Publication date
US5087975A (en) 1992-02-11
EP0556306B1 (de) 1996-09-04
CA2095435C (en) 1999-08-03
HK26497A (en) 1997-03-06
USRE36992E (en) 2000-12-19
EP0556306A1 (de) 1993-08-25
KR930702863A (ko) 1993-09-09
WO1992009174A1 (en) 1992-05-29
JPH06501600A (ja) 1994-02-17
JP3098028B2 (ja) 2000-10-10
KR970003479B1 (ko) 1997-03-18
DE69121902D1 (de) 1996-10-10
CA2095435A1 (en) 1992-05-10

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