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:
Sep. 28, 2010
Filed:
Feb. 01, 2006
Applicants:
Masashi Yamaguchi, Osaka, JP;
Teruhide Kita, Hirakata, JP;
Tsuneo Danno, Katano, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2006.01);
U.S. Cl.
CPC ...
Abstract
A global platform card manager of the IC card chip includes a conditional access software decoding part. A decoding key specific to each conditional access software vendor and a key identification number corresponding to the decoding key are preset in the conditional access software decoding part. The conditional access software encrypted by the conditional access software vendor is decoded using the decoding key designated by the key identification number in the conditional access decoding part, when received.