The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2009
Filed:
Jun. 16, 2004
Applicants:
Teruyuki Shitara, Tokyo, JP;
Ichiro Mayama, Tokyo, JP;
Eiichi Yamada, Tokyo, JP;
Inventors:
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/02 (2006.01); H04L 9/00 (2006.01); H04N 7/16 (2006.01); H03M 1/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
An object of the invention is to make it possible to move data that is coded and managed for copyright protection after evaluating an encryption key and permitting its movement based on a result of the evaluation, as well as to make it possible to copy data that is recorded in a server to a terminal apparatus and cause the terminal apparatus itself to reproduce the data and, where a terminal apparatus is connected to the server, render data on the server reproducible.