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Conditional Access To Digital Rights Management Conversion

Abstract: The present invention provides for an interface between two seemingly incompatible and different content protection systems. Accordingly, protected content may be transferred between the respective security kernels of a conditional access (CA) and digital rights management (DRM) system, while maintaining security of the content and any associated protection content protection information may be achieved by temporarily or permanently binding the respective security kernels of the CA and DRW systems, transcribing content protection information, and potentially transcribing the content.

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Patent Information

Application #
Filing Date
03 February 2005
Publication Number
52/2006
Publication Type
INA
Invention Field
ELECTRONICS
Status
Email
Parent Application

Applicants

MICROSOFT CORPORATION
WASHINGTON HAVING A PLACE OF BUSINESS AT ONE MICROSOFT WAY, REDMOND, WASHINGTON 98052, UNITED STATES OF AMERICA

Inventors

1. ARNAUD ROBERT
ONE MICROSOFT WAY, REDMOND, WA 98052, UNITED STATES OF AMERICA
2. THADDEUS C. PRITCHETT
ONE MICROSOFT WAY, REDMOND, WA 98052, UNITED STATES OF AMERICA

Specification

Documents