Cryptography – Video cryptography
Reexamination Certificate
2006-01-10
2006-01-10
Jung, David Y. (Department: 2134)
Cryptography
Video cryptography
C380S203000, C380S217000
Reexamination Certificate
active
06985584
ABSTRACT:
A non-volatile recording medium for recording a digital audio signal that has been compressed at a compression rate selectable in a predetermined range and block-segmented in a predetermined data length is disclosed, wherein the predetermined data length of which the digital audio data is block-segmented is decided in consideration of the maximum recordable time and the data length of which the digital audio signal is encrypted.
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Kihara Nobuyuki
Yokota Teppei
Frommer William S.
Frommer & Lawrence & Haug LLP
Jung David Y.
Lee Samuel S.
Sony Corporation
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