Cryptography – Video cryptography – Video electric signal modification
Reexamination Certificate
2007-08-28
2007-08-28
Sheikh, Ayaz (Department: 2131)
Cryptography
Video cryptography
Video electric signal modification
C380S200000, C713S165000, C713S176000, C705S052000
Reexamination Certificate
active
09790207
ABSTRACT:
In a transmission apparatus, still picture outputting control information is multiplexed to a transmission signal and in a receiving apparatus, still picture is extracted from moving picture. Still picture data to be outputted can be processed and the charge can be set for each kind of processing. A broadcasting system and a receiver can output the still picture data of which the copyright is protected in accordance with use.
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Katsumata Kenji
Koreeda Hiroyuki
Okamura Takumi
Sato Takahiro
Sugiyama Yoshikazu
Moorthy Aravind K
Sheikh Ayaz
Townsend and Townsend / and Crew LLP
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