DE68922168T2 - Dateneinbau in ein Videosignal. - Google Patents

Dateneinbau in ein Videosignal.

Info

Publication number
DE68922168T2
DE68922168T2 DE68922168T DE68922168T DE68922168T2 DE 68922168 T2 DE68922168 T2 DE 68922168T2 DE 68922168 T DE68922168 T DE 68922168T DE 68922168 T DE68922168 T DE 68922168T DE 68922168 T2 DE68922168 T2 DE 68922168T2
Authority
DE
Germany
Prior art keywords
video signal
data installation
installation
data
video
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
DE68922168T
Other languages
English (en)
Other versions
DE68922168D1 (de
Inventor
William J O'grady
Robert J Dubner
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.)
Grass Valley Group Inc
Original Assignee
Grass Valley Group Inc
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 Grass Valley Group Inc filed Critical Grass Valley Group Inc
Application granted granted Critical
Publication of DE68922168D1 publication Critical patent/DE68922168D1/de
Publication of DE68922168T2 publication Critical patent/DE68922168T2/de
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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/9135—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal by superimposing the spectrally spread copy protection signal onto the video signal
DE68922168T 1988-09-23 1989-09-22 Dateneinbau in ein Videosignal. Expired - Fee Related DE68922168T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/248,053 US4969041A (en) 1988-09-23 1988-09-23 Embedment of data in a video signal

Publications (2)

Publication Number Publication Date
DE68922168D1 DE68922168D1 (de) 1995-05-18
DE68922168T2 true DE68922168T2 (de) 1995-11-30

Family

ID=22937465

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922168T Expired - Fee Related DE68922168T2 (de) 1988-09-23 1989-09-22 Dateneinbau in ein Videosignal.

Country Status (4)

Country Link
US (1) US4969041A (de)
EP (1) EP0360615B1 (de)
JP (1) JPH0761148B2 (de)
DE (1) DE68922168T2 (de)

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JPH02134996A (ja) 1990-05-23
EP0360615A3 (de) 1992-03-04
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EP0360615B1 (de) 1995-04-12
DE68922168D1 (de) 1995-05-18
US4969041A (en) 1990-11-06

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