Color image processing apparatus and method

Details Color image processing apparatus and method Color image processing apparatus and method

1997-08-18

1998-05-26

Buczinski, Stephen C.

Cryptography

Electric signal modification

Having production of printed copy

380 18, 380 54, 399366, G03G 2100, G09C 300

Patent

active

057579261

ABSTRACT:
An image processing apparatus decrypts encrypted image data and synchronously outputs predetermined information with the decrypted image data such that the predetermined information is not visually recognizable on an image reproduced from the decrypted image data. The apparatus outputs the decrypted image data and the synchronously output predetermined information to an image forming unit.

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