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:
Jul. 13, 2010
Filed:
Dec. 19, 2000
Applicants:
Akira Nonaka, Kanagawa, JP;
Tadashi Ezaki, Tokyo, JP;
Inventors:
Akira Nonaka, Kanagawa, JP;
Tadashi Ezaki, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/00 (2006.01); G06F 12/14 (2006.01); G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A SAM receives a secure container in which content data encrypted with content key data, the encrypted content key data, and UCP data designating a handling policy of the content data are stored, and determines at least one of the purchase mode and the usage mode of the content data based on the UCP data. The SAM serves as a slave for a host CPU, and is also provided with a common memory shared with the host CPU.
Nonaka, Akira. (2010). Data processing apparatus, data processing system, and data processing method therefor (U.S. Patent No. 7757101). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7757101
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