Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-02-28
2006-02-28
Cheung, Mary D. (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
Reexamination Certificate
active
07006996
ABSTRACT:
A restriction canceling apparatus comprising: a memory that stores content consisting of a plurality of relating parts whose functions are restricted and a plurality of restriction canceling data, each corresponding to one of said parts; a first receiver that receives a first request of a client for transmission of the content; a first transmitter that transmits said content to said client upon said first request; a second receiver that receives a second request of said client for transmission of at least one of the restriction canceling data; and a second transmitter that transmits the restriction canceling data to said client upon said second request.
REFERENCES:
patent: 5675734 (1997-10-01), Hair
patent: 6157377 (2000-12-01), Shah-Nazaroff et al.
patent: 6195646 (2001-02-01), Grosh et al.
patent: 6314409 (2001-11-01), Schneck et al.
patent: 6865552 (2005-03-01), Inoue et al.
patent: 2002/0128936 (2002-09-01), Sako et al.
patent: 11-102391 (1999-04-01), None
patent: 11-250145 (1999-09-01), None
patent: 2000270309 (2000-09-01), None
Desmarais, Norman, “CD-I vs. DVI. (compact disk-interactive; digital video interactive)”, Mar. 1989, CD-ROM Librarian, v4, n3, p24 (5), ISSN: 0893-9934.
Notification of Reasons for Refusal for Patent Application No. 2000-182471, dated Apr. 27, 2004, received from client Aug. 9, 2004.
Cheung Mary D.
Harness & Dickey & Pierce P.L.C.
Yamaha Corporation
LandOfFree
Restriction canceling apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Restriction canceling apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Restriction canceling apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3686080