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:
May. 17, 2011
Filed:
Dec. 05, 2000
Yoshihiro Hori, Gifu, JP;
Toshiaki Hioki, Ogaki, JP;
Miwa Kanamori, Ogaki, JP;
Masataka Takahashi, Ishikawa, JP;
Takayuki Hasebe, Kawasaki, JP;
Makoto Yoshioka, Kawasaki, JP;
Takahisa Hatakeyama, Kawasaki, JP;
Tadaaki Tonegawa, Kodaira, JP;
Takeaki Anazawa, Tokyo, JP;
Yoshihiro Hori, Gifu, JP;
Toshiaki Hioki, Ogaki, JP;
Miwa Kanamori, Ogaki, JP;
Masataka Takahashi, Ishikawa, JP;
Takayuki Hasebe, Kawasaki, JP;
Makoto Yoshioka, Kawasaki, JP;
Takahisa Hatakeyama, Kawasaki, JP;
Tadaaki Tonegawa, Kodaira, JP;
Takeaki Anazawa, Tokyo, JP;
Sanyo Electric Co., Ltd., Moriguchi-shi, JP;
Fujitsu Limited, Kawasaki, JP;
Renesas Electronics Corporation, Kawasaki-shi, JP;
Abstract
A memory card () stores access restriction information (AC) to a license information hold unit () arranged in a TRM area. Access restriction information (AC) has information for example of a frequency of reproduction allowed and a number of licenses owned. A controller () in reproducing and transferring content initially confirms access restriction information (AC) and thereafter effects reproduction and transfer and after the reproduction and transfer are effected updates access restriction information (AC), as required, for storage in a license information hold unit ().