Invention Grant
- Patent Title: Information processing apparatus and method, and data communication system and method
- Patent Title (中): 信息处理装置及方法，数据通信系统及方法
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Application No.: US10972455Application Date: 2004-10-26
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Publication No.: US08126813B2Publication Date: 2012-02-28
- Inventor: Yutaka Nagao
- Applicant: Yutaka Nagao
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2003-376112 20031105
- Main IPC: G06F21/00
- IPC: G06F21/00
Abstract:
A client obtains license information. The client has a client module for using content under conditions defined in the license information. When the client module is updated and a new function is added, the client obtains updating license information including permission of the new function. The client is allowed to use the content under the conditions defined in the previous license information and the conditions defined in the updating license information without obtaining new rights information for the updated client module.
Public/Granted literature
- US20050144141A1 Information processing apparatus and method, and data communication system and method Public/Granted day:2005-06-30
Information query
