Motion video signal processing for recording or reproducing – Process of generating additional data during recording or... – Additional data controlling recording or playback operation
Reexamination Certificate
2007-06-26
2011-11-22
Tran, Thai (Department: 2484)
Motion video signal processing for recording or reproducing
Process of generating additional data during recording or...
Additional data controlling recording or playback operation
C386S232000, C386S212000, C386S213000, C348S555000, C348S556000, C348S557000, C348S558000, C348S560000, C348S562000
Reexamination Certificate
active
08064748
ABSTRACT:
An interface is realized that can prevent video signals from being copied easily and which uses a luminance/color difference signal transmission scheme with an excellent harmony with a television circuit. In a video transmission using a digital interface, colorimetry information for defining the conversion from the luminance/color difference signal into a primary color signal and video aspect ratio information are transmitted along with the luminance/color difference type video signal. This allows reproduction of video with high quality and high resolution and also realizes a copyright protection which allows only the users authorized by key information to use the content of the video. With this transmission scheme, it is possible to provide a transmitting apparatus, a receiving apparatus and an interface which highly harmonize with a rationalized television-based circuit.
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Owashi Hitoaki
Watanabe Toshimitsu
Yoshizawa Kazuhiko
Hitachi , Ltd.
McDermott Will & Emery LLP
Tran Thai
Zhao Daquan
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