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. 07, 2010
Filed:
May. 18, 2007
Hideki Matsushima, Osaka, JP;
Hiroshi Okuyama, Osaka, JP;
Ryousuke Kobayashi, Kanagawa, JP;
Tomoyuki Haga, Nara, JP;
Hideki Matsushima, Osaka, JP;
Hiroshi Okuyama, Osaka, JP;
Ryousuke Kobayashi, Kanagawa, JP;
Tomoyuki Haga, Nara, JP;
Panasonic Corporation, Osaka, JP;
Abstract
To play back a content while managing the right of use of the content, such as a total time of playback of the content, an electronic device stores right information in a right temporary storage unitand judges whether or not use of the content is permitted, in a process of decoding a frame. Also, the electronic device updates the right information stored in the right temporary storage unit. When the frame to be played back is the one at a predetermined position in order, the electronic device stores the right information stored in the right temporary storage unitinto a storage area