Cryptography – Video cryptography
Reexamination Certificate
2008-01-15
2008-01-15
Song, Hosuk (Department: 2135)
Cryptography
Video cryptography
C380S201000, C380S202000
Reexamination Certificate
active
11282139
ABSTRACT:
A method of selecting data for multiple carriage partial encryption consistent with certain embodiments involves examining unencrypted packets of data in a digital audio/video data stream to identify a packet type; and selecting packets of the identified packet type for multiple partial encryption, wherein the amount of data to be encrypted is sufficient to render a portion of an entire frame unviewable. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
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Candelore Brant L.
Pedlow, Jr. Leo M.
Unger Robert Allan
Miller Jerry A.
Miller Patent Services
Song Hosuk
Sony Corporation
Sony Electronics Inc.
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