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:
Jan. 06, 2015
Filed:
Mar. 19, 2012
Shinichi Matsukawa, Tokyo, JP;
Akira Miura, Sagamihara, JP;
Hiroshi Suu, Chigasaki, JP;
Hiroyuki Sakamoto, Ome, JP;
Akihiro Kasahara, Sambu-gun, JP;
Shinichi Matsukawa, Tokyo, JP;
Akira Miura, Sagamihara, JP;
Hiroshi Suu, Chigasaki, JP;
Hiroyuki Sakamoto, Ome, JP;
Akihiro Kasahara, Sambu-gun, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, a content data reproduction system includes a host device which uses content data, and a storage device configured such that content data, which is obtained by decrypting encrypted content data that is created by encrypting the content data by content key data, is made usable in the host device. The host device includes a device ID which is uniquely allocated to each of host devices. The storage device includes a memory and a controller configured to control the memory.