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Method for signalling tampering of remotely positioned components by tagging and global positioning system monitoring

  • US 7,131,145 B2
  • Filed: 07/08/2002
  • Issued: 10/31/2006
  • Est. Priority Date: 04/29/2002
  • Status: Active Grant
First Claim
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1. A method for monitoring components of a digital cinema system comprising:

  • (a) storing a configuration of an exhibitor theater system of a digital cinema system, wherein the exhibitor theater system comprises one or more components, wherein the one or more components comprise;

    (i) a decryption unit;

    (ii) a decompression unit;

    (iii) a digital projector; and

    (iv) a display screen;

    (b) polling each of the one or more components based on the configuration; and

    (c) determining whether an integrity of the exhibitor theater system has been compromised based on the configuration and results of the polling.

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