Information recording apparatus and method, and information...

Details Information recording apparatus and method, and information... Information recording apparatus and method, and information...

2006-05-16

2006-05-16

Jung, David (Department: 2134)

Cryptography

Video cryptography

Video electric signal modification

C380S210000, C380S200000

Reexamination Certificate

active

07046806

ABSTRACT:
As an example of this invention, user data which is broken up into sectors and is scrambled for each sector using a randomly generated scramble pattern, and scramble pattern data for specifying the scramble pattern used in scrambling are recorded on a recording medium.

REFERENCES:
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patent: 0 872 830 (1998-10-01), None
Compressed-domain scrambler/descrambler for digital video; Kankanhalli, M.S.; Teo Tian Guan; Consumer Electronics, IEEE Transactions on vol. 48, Issue 2, May 2002 pp.: 356-365.
Forward error correction codes for MPEG2 over ATM; Shaw-Min Lei; Circuits and Systems for Video Technology, IEEE Transactions on vol. 4, Issue 2, Apr. 1994 pp.: 200-203.
Design and implementation of MPEG-2/DVB scrambler unit and VLSI chip; Won-Ho Kim; Kyung-Jae Chen; Hyun-Suk Cho; Consumer Electronics, IEEE Transactions on vol. 43, Issue 3, Aug. 1997 pp.: 980-985.

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