Digital contents distribution system capable of flexibly...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

06912512

ABSTRACT:
A digital contents distribution system that generates first execution verify logic, second execution verify logic and execution verify logic conversion software. The first execution verify logic and second execution verify logic each carry out the verification and execution control of contents, and the first execution verify logic is linked with the contents at first. The execution verify logic conversion software includes execution verify logic converter for replacing the first execution verify logic with the second execution verify logic to relink the latter with the contents. A user terminal is provided with the contents linked with the first execution verify logic, and the execution verify logic conversion software.

REFERENCES:
patent: 5354097 (1994-10-01), Tel
patent: 5557518 (1996-09-01), Rosen
patent: 5564038 (1996-10-01), Grantz et al.
patent: 5579479 (1996-11-01), Plum
patent: 5629980 (1997-05-01), Stefik et al.
patent: 5818933 (1998-10-01), Kambe et al.
patent: 5848158 (1998-12-01), Saito et al.
patent: 5892900 (1999-04-01), Ginter et al.
patent: 5903650 (1999-05-01), Ross et al.
patent: 5923754 (1999-07-01), Angelo et al.
patent: 5991876 (1999-11-01), Johnson et al.
patent: 6006332 (1999-12-01), Rabne et al.
patent: 9114786 (1997-05-01), None
Bruce Schneier. “Applied Cryptography” 2d. (New York: John Wiley & Sons, Inc., ) pp. 30-31, Jan. 1, 1996.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Digital contents distribution system capable of flexibly... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital contents distribution system capable of flexibly..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital contents distribution system capable of flexibly... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3494257

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.