Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Junya Nishizaka0
Koichi Komoda0
Kunio Ninomiya0
Date of Patent
June 5, 2007
0Patent Application Number
099803120
Date Filed
March 30, 2001
0Patent Primary Examiner
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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