Invention Grant
US08325917B2 Reproducing device, recording device, recording medium, data processing method, data processing program, data recording method, data recording program, and integrated circuit
有权
再现装置，记录装置，记录介质，数据处理方法，数据处理程序，数据记录方法，数据记录程序和集成电路
- Patent Title: Reproducing device, recording device, recording medium, data processing method, data processing program, data recording method, data recording program, and integrated circuit
- Patent Title (中): 再现装置，记录装置，记录介质，数据处理方法，数据处理程序，数据记录方法，数据记录程序和集成电路
-
Application No.: US11658177Application Date: 2006-05-23
-
Publication No.: US08325917B2Publication Date: 2012-12-04
- Inventor: Masaya Yamamoto , Senichi Onoda , Minehisa Nagata , Kaoru Murase
- Applicant: Masaya Yamamoto , Senichi Onoda , Minehisa Nagata , Kaoru Murase
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth Lind & Ponack, L.L.P.
- International Application: PCT/JP2006/310274 WO 20060523
- International Announcement: WO2006/126554 WO 20061130
- Main IPC: H04N7/167
- IPC: H04N7/167
Abstract:
A data generating device is capable of preventing unauthorized extraction of plaintext content between decryption processing and digital watermark embedment processing. A content reproducing device obtains restoration information and, in accordance with the restoration information, selectively performs predetermined restoration processing and processing of embedding device unique information, on content data at a position shown by the restoration information.
Public/Granted literature
Information query
