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:
Nov. 18, 2014
Filed:
May. 08, 2012
Hiroshi Kuno, Kanagawa, JP;
Takamichi Hayashi, Tokyo, JP;
Yoshiyuki Kobayashi, Tokyo, JP;
Katsumi Muramatsu, Tokyo, JP;
Hiroshi Kuno, Kanagawa, JP;
Takamichi Hayashi, Tokyo, JP;
Yoshiyuki Kobayashi, Tokyo, JP;
Katsumi Muramatsu, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
An information processing system includes: a client executing acquisition and reproduction of contents; a management server providing the client with content selection information applied for acquisition of contents; and a content providing server receiving the content selection information from the client and providing the content selected in accordance with the content selection information, wherein the content selection information includes content identifiers as identifiers of encrypted contents respectively encrypted by different encryption keys and range information indicating data areas of range data which is configuration data of respective encrypted contents, and the content providing server provides the client with an encrypted content formed by combining range data as partial data of the encrypted contents specified by the content identifiers and the range information.