Cryptography – Video cryptography – Video electric signal modification
Reexamination Certificate
2004-11-10
2010-11-09
Moise, Emmanuel L (Department: 2437)
Cryptography
Video cryptography
Video electric signal modification
C380S228000, C380S240000, C380S241000, C380S242000
Reexamination Certificate
active
07831044
ABSTRACT:
A data processing device of the invention has an ID creator unit (300) which adds ID information which is set by a CPU and the number of sectors, and outputs a result of the addition as ID information; a scramble SEED value table (103) which produces an initial scramble SEED value, by using the ID information which is outputted from the ID creator unit (300); a normal scramble filter (104) which produces a scramble SEED value (402) for data to be transferred; a frame jumping scramble filter (301) which holds a scramble SEED value of a jumping destination (401) in preparation for jumping; and a selector (105) which selects one of the scramble SEED value (401) and the scramble SEED value (402) and outputs the selected value to the normal scramble filter (104). Accordingly, the data processing device can perform a scrambling process and a de-scrambling process, without depending on the reliability of the data being transferred.
REFERENCES:
patent: 5761302 (1998-06-01), Park
patent: 2002/0037080 (2002-03-01), Katayama et al.
patent: 2002/0054681 (2002-05-01), Kuribayashi
patent: 2002/0114360 (2002-08-01), Perlman
patent: 2003/0065925 (2003-04-01), Shindo
patent: 2004/0062398 (2004-04-01), Unger
patent: 2004/0103360 (2004-05-01), Mori et al.
patent: 11-242647 (1999-09-01), None
patent: 2002-150698 (2002-05-01), None
patent: 2002-170336 (2002-06-01), None
patent: 2003-115830 (2003-04-01), None
ECMA International Home Page, Standard ECMA-267 3rd Edition—Apr. 2001, [Searched on Oct. 16, 2003], Internet URL <http://www.ecma-internationl.org/publications/standards/Ecma-267.htm>.
Senoo Daigo
Yamamoto Nobuyuki
McDermott Will & Emery LLP
Moise Emmanuel L
Panasonic Corporation
Pearson David J
LandOfFree
Data processing device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Data processing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data processing device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4159518