Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Reexamination Certificate
2005-12-20
2005-12-20
Trammell, James P. (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Secure transaction
C705S001100, C705S016000, C705S050000, C705S051000, C705S052000, C705S053000, C705S055000, C705S056000, C705S057000, C705S058000, C705S064000, C705S073000, C705S075000, C380S200000, C380S201000, C380S202000, C713S159000, C713S156000, C713S176000
Reexamination Certificate
active
06978256
ABSTRACT:
The present invention relates to a digital contents selling system for selling digital contents. Identification information of digital contents selected by a customer is received. Personal digital contents are generated by setting identification information for identifying the customer in the selected digital contents as status information for permitting the customer to replay the selected digital contents. The generated digital contents are sold. Thereby, a technique is provided for preventing the illegal use of the sold digital contents.
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Ichihara Seiji
Koike Hiroshi
Okayama Nobuya
Onimaru Hiroya
Orimo Masayuki
Trammell James P.
Worjloh Jalatee
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