Invention Grant
US08640219B2 Digital rights management (DRM) enabled portable playback device, method and system
有权
数字版权管理(DRM)启用便携式播放设备,方法和系统
- Patent Title: Digital rights management (DRM) enabled portable playback device, method and system
- Patent Title (中): 数字版权管理(DRM)启用便携式播放设备,方法和系统
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Application No.: US11922442Application Date: 2005-06-23
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Publication No.: US08640219B2Publication Date: 2014-01-28
- Inventor: Junbiao Zhang , Kumar Ramaswamy , Jeffrey Allen Cooper
- Applicant: Junbiao Zhang , Kumar Ramaswamy , Jeffrey Allen Cooper
- Applicant Address: FR Boulogne Billancourt
- Assignee: Thomson Licensing
- Current Assignee: Thomson Licensing
- Current Assignee Address: FR Boulogne Billancourt
- Agent Robert D. Shedd; Paul P. Kiel
- International Application: PCT/US2005/022205 WO 20050623
- International Announcement: WO2007/001285 WO 20070104
- Main IPC: G06F15/16
- IPC: G06F15/16 ; H04L29/06

Abstract:
A method for enabling access to digital rights managed (DRM) content from a server to a portable playback device using a device that functions as a proxy for enabling communication between the server and the portable playback device. The method provides for establishing a connection with a device capable of operating as a gateway device for passing data between the portable playback device and the server, requesting that the device establish a connection with the server and operate as a proxy for enabling data exchange between the portable playback device and the server, sending to the server, upon establishing the connection with the server via the device operating as a proxy, data indicating DRM solutions supported by the portable playback device, and a list comprising requested DRM content to be downloaded to the portable playback device, and receiving from the server, via the device operating as a proxy, the requested DRM content and DRM rules associated with the received content.
Public/Granted literature
- US20090113536A1 Digital Rights Management (DRM) Enabled Portable Playback Device, Method and System Public/Granted day:2009-04-30
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