US Patent 7228060 Copy guard method and digital broadcast receiving apparatus
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Patent Inventor Names
Junya Nishizaka0
Koichi Komoda0
Kunio Ninomiya0
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Patent abstract
According to a copy protection method of the present invention, as for a component video signal which is composed of a luminance signal and two color-difference signals, copy inhibition information is superimposed upon a first color-difference signal and information indicating that the copy inhibition information is included in the first color-difference signal is superimposed upon a second color-difference signal. Or copy inhibition information is superimposed upon the luminance signal, a vertical blanking interval, or a horizontal blanking interval.
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US Patent 07228060 Copy guard method and digital broadcast receiving apparatus US Patent 7228060 Copy guard method and digital broadcast receiving apparatus
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Patent Number
072280600
Patent Number
72280600
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Patent Jurisdiction
Patent Number
072280600
Date of Patent
June 5, 2007
0Patent Application Number
099803120
Date Filed
March 30, 2001
0Official Website
Patent Primary Examiner
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US Patent 07228060 Copy guard method and digital broadcast receiving apparatus
Infobox
Is a
Patent jurisdiction
Patent number
07228060
Date of patent
June 5, 2007
Patent application number
09980312
Date Filed
March 30, 2001
Patent primary examiner
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