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Universal multimedia optic disc player and its application for revocable copy protection

  • US 7,460,765 B2
  • Filed: 04/05/2006
  • Issued: 12/02/2008
  • Est. Priority Date: 03/29/2001
  • Status: Expired due to Term
First Claim
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1. A universal optical disc player, comprising:

  • a disc drive with associated drive controller;

    a processor coupled to said drive controller;

    signal processing circuitry coupled to said processor and having an output port for coupling to a media presentation device;

    a memory coupled to said processor and having a data structure defined therein;

    said data structure comprising a virtual machine for hosting an auto-run playback program obtained from an optical disc placed in said disc drive;

    the auto-run playback program being operable to provide control instructions to said processor to cause said processor to access content from the optical disc and supply the content to said signal processing circuitry for output to the media presentation device; and

    the content including copy protection data and the auto-run playback program being operable to read the copy protection data to effect copy protection.

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