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Systems and methods for access control

  • US 9,361,740 B2
  • Filed: 10/31/2014
  • Issued: 06/07/2016
  • Est. Priority Date: 03/15/2004
  • Status: Active Grant
First Claim
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1. A method for providing radio frequency identification access control, the method comprising:

  • providing an access control module, wherein the access control module is capable of interacting at two or more frequencies;

    providing an access credential operable at a first frequency and at a second frequency;

    communicating data from the access credential to the access control module at the first frequency;

    determining within the access control module the frequency at which the data was communicated;

    if the access control module is capable of receiving at the first frequency, acknowledging receipt of the data to the access credential;

    where the data received is sufficient to authorize access, granting access by the access control module to an access point;

    .wherein if the access control module is not capable of receiving at the first frequency, the method further comprises;

    communicating the data from the access credential to the access control module at the second frequency;

    determining within the access control module the frequency at which the data was communicated;

    if the access control module is capable of receiving at the second frequency, acknowledging receipt of the data to the access credential; and

    where the data received is sufficient to authorize access, granting access by the access control module to the access point.

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