Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2005-05-31
2009-12-01
Zand, Kambiz (Department: 2434)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S176000
Reexamination Certificate
active
07627765
ABSTRACT:
A document management apparatus includes a hash generator that generates a hash value based on digital document data stored in a database, a communication unit that inputs time information, and a microfilm writer that performs processing to record a converted document data, converted to image data based on the digital document data, on a microfilm, and record a document ID as identification information of the converted document data recorded on the microfilm, the hash value, and the time information, on the microfilm.
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Aonuma Mitsuru
Nakamura Osamu
Fuji 'Xerox Co., Ltd.
Harriman Dant B Shaifer
Oliff & Berridg,e PLC
Zand Kambiz
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