Printer and print system, and data receiving device and data...

Details Printer and print system, and data receiving device and data... Printer and print system, and data receiving device and data...

2003-06-18

2008-05-06

Poon, King Y. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Communication

C358S001500, C340S539130

Reexamination Certificate

active

07369259

ABSTRACT:
A printer stores printer position information in sequence and calculates its representative value as statistical printer position information by a statistical method. When a public key is requested by a print client, the printer generates a public key with a passphrase containing the statistical printer position information and transmits the public key to the print client. The print client generates print transmitting data by encrypting print data with this public key and transmits the print transmitting data to the printer. The printer generates a private key with a passphrase containing the statistical printer position information at this point in time and decrypts the print data.

REFERENCES:
patent: 6772945 (2004-08-01), Mahoney et al.
patent: 2002/0161547 (2002-10-01), Fidler
patent: 2003/0105963 (2003-06-01), Slick et al.
patent: 2003/0169443 (2003-09-01), Ando

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