Invention Grant
US07886361B2 Storage-medium processing method, storage-medium processing device, and program
失效
存储介质处理方法，存储介质处理装置和程序
- Patent Title: Storage-medium processing method, storage-medium processing device, and program
- Patent Title (中): 存储介质处理方法，存储介质处理装置和程序
-
Application No.: US11571716Application Date: 2005-06-08
-
Publication No.: US07886361B2Publication Date: 2011-02-08
- Inventor: Akihiro Kasahara , Akira Miura , Hiroshi Suu
- Applicant: Akihiro Kasahara , Akira Miura , Hiroshi Suu
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2004-202126 20040708
- International Application: PCT/JP2005/010481 WO 20050608
- International Announcement: WO2006/006326 WO 20060119
- Main IPC: H04L29/00
- IPC: H04L29/00
Abstract:
Rental business of content data is adequately performed while preventing a improper use of rights or the like by a user. Rental user key data Kuren1-3, and rental content key data Kuren1-3 includes management metadata M1-M3 and M1′-M3′, respectively. The management metadata includes data use termination date/time indicating an expiration date or the like.
Public/Granted literature
- US20070248231A1 Storage Medium Processing Method, Storage Medium Processing Device, and Program Public/Granted day:2007-10-25
Information query
