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Systems and methods for retrofitting electronic appliances to accept different content formats

  • US 7,987,514 B2
  • Filed: 03/12/2007
  • Issued: 07/26/2011
  • Est. Priority Date: 04/04/2006
  • Status: Expired due to Fees
First Claim
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1. A method of packaging electronic content and control information for use by a system including a retrofitting appliance, the method comprising the steps of:

  • encrypting the electronic content and the control information;

    transforming the encrypted electronic content and control information into a format that can be rendered by an electronic appliance;

    storing the transformed, encrypted electronic content and control information on a computer readable medium for provision to an electronic appliance operable to render the transformed, encrypted electronic content and control information and output the encrypted electronic content and control information to an input of the retrofitting appliance, the retrofitting appliance being operable to decrypt the encrypted electronic content and control information, to make a determination based on the control information as to whether to permit use of the electronic content, and to selectively transmit the electronic content to an output device based on the results of the determination.

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