×

Portable digital rights for multiple devices

  • US 8,639,627 B2
  • Filed: 12/12/2007
  • Issued: 01/28/2014
  • Est. Priority Date: 07/06/2007
  • Status: Active Grant
First Claim
Patent Images

1. A Digital Rights Management (DRM) system, comprising:

  • a first device configured with;

    a removable hardware component configured as a token that is associated with a DRM license of a domain, the DRM license cryptographically bound to the token; and

    a removable memory card configured to store protected media content on which the first device is configured to perform actions as permitted by the DRM license;

    a second device configured with the removable hardware component and the removable memory card when removed from the first device and installed in the second device, the second device configured to perform the actions on the protected media content as permitted by the DRM license; and

    a domain controller configured to;

    recognize the second device when the removable hardware component is installed in the second device;

    detect that the removable hardware component has been registered on the domain;

    initiate domain certification of the second device to enable the second device to perform the actions on the protected media content as permitted by the DRM license, the domain certification further enabling the second device to acquire additional protected media content from a content distributor of the domain via a communication network and to playback the additional protected media content at the second device.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×