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Delay-based access control apparatus and method

  • US 20060082337A1
  • Filed: 10/12/2004
  • Published: 04/20/2006
  • Est. Priority Date: 10/12/2004
  • Status: Active Grant
First Claim
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1. A method for use with an access control mechanism comprising:

  • detecting a predetermined event;

    in response to detecting the predetermined event, automatically determining whether a second predetermined event occurs;

    when the second predetermined event occurs;

    automatically initiating a delay;

    upon concluding the delay, automatically causing the access control mechanism to initiate closure of a corresponding barrier;

    when the second predetermined event does not occur, not automatically causing the access control mechanism to initiate closure of the corresponding barrier.

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