Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-10-24
2006-10-24
Backer, Firmin (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S007380, C705S050000, C705S053000, C705S067000
Reexamination Certificate
active
07127429
ABSTRACT:
A digital contents superdistribution and transmittance method through the digital contents download services including accessing a server providing digital contents download services via a communication network to make payment for digital contents on the server, and receiving a download of the digital contents on which a security code is set; distributing the downloaded digital contents for which payment has been made to another user; executing the digital contents on the another user's computer, and accessing the server automatically via a communication network; and if the server is accessed and payment is made for the digital contents by the another user, offering a predetermined compensation to the user that has received the download. Accordingly, those who properly receive a download of digital contents can re-distribute the digital contents, and digital contents distribution can be promoted by offering a predetermined portion of profits resulting from the distribution. Furthermore, compatibility with the conventional distribution mechanism for encrypted digital contents can be achieved.
REFERENCES:
patent: 6418421 (2002-07-01), Hurtado et al.
patent: 2002/0194485 (2002-12-01), Ram et al.
patent: 2003/0135464 (2003-07-01), Mourad et al.
patent: 2004/0107125 (2004-06-01), Guheen et al.
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