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Wireless activation system and method

  • US 7,227,445 B2
  • Filed: 07/31/2003
  • Issued: 06/05/2007
  • Est. Priority Date: 07/31/2002
  • Status: Active Grant
First Claim
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1. A method for controlling access to content within an optical media, comprising the steps of:

  • providing an activation device in or on the optical media;

    receiving an activation signal at the activation device;

    applying, using the activation device, an electrical signal to the optical media to alter at least one optical, physical or electrical property of the optical media.

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