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Digital content distribution systems

  • US 7,020,781 B1
  • Filed: 05/03/2000
  • Issued: 03/28/2006
  • Est. Priority Date: 05/03/2000
  • Status: Expired due to Term
First Claim
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1. A method of distributing digital content via a network, the method comprising:

  • seeking a display device to display the digital content, including sending a display request to a third party;

    receiving a display certificate from the third party, the display certificate including first, second and third components, the first component indicating available access rights to a selected display device in a service domain, the second component indicating the available access rights that the third party can assign, the third component indicating the access rights that were actually assigned;

    forwarding the display certificate to the selected display device; and

    establishing a secure communication link on the network with the selected display device, and sending the digital content to the selected display device via the secure link.

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