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Security control and access system

  • US 9,589,400 B2
  • Filed: 09/18/2015
  • Issued: 03/07/2017
  • Est. Priority Date: 08/16/2006
  • Status: Active Grant
First Claim
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1. A method for controlling access to an enclosed area, the method comprising:

  • receiving a card identification signal in an access card reader/controller associated with an entrance to the enclosed area,authenticating the card identification signal;

    sending an unlock signal through a solid state relay within the access card reader/controller to power a lock associated with but external to the access card reader/controller to unlock a door at the entrance to the enclosed area when the card identification signal has been successfully authenticated.

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