Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Packet header designating cryptographically protected data
Reexamination Certificate
2007-11-06
2007-11-06
Peeso, Thomas R. (Department: 2132)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Packet header designating cryptographically protected data
C713S168000
Reexamination Certificate
active
10763845
ABSTRACT:
An apparatus for coding an image while scrambling the image by randomizing pixel values includes a scrambling unit which scrambles an image by utilizing an encryption function to compute a displacement of a pixel value to be randomized in response to a displacement of a previously randomized pixel value.
REFERENCES:
patent: 2000-115581 (2000-04-01), None
patent: 2001-218184 (2001-08-01), None
Hara Junichi
Kodama Taku
Matsuura Nekka
Miyazawa Toshio
Nishimura Takayuki
Blakely , Sokoloff, Taylor & Zafman LLP
Peeso Thomas R.
Ricoh Copmany, Ltd.
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