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Electronic access control device

  • US 20020097141A1
  • Filed: 12/19/2001
  • Published: 07/25/2002
  • Est. Priority Date: 11/15/1994
  • Status: Active Grant
First Claim
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1. An electronic access control device comprising:

  • an electrical device energizable to effect a predetermined operation;

    an energizing circuit for energizing the electrical device;

    an input device for inputting a control signal;

    a control circuit including first and second microprocessors, the second microprocessor being remote from the first microprocessor, the first microprocessor coupled to the input device for receiving the control signal, the second microprocessor coupled to the energizing circuit for activation thereof, the first microprocessor including means for transmitting a communication code to the second microprocessor in response to the control signal, the second microprocessor including means for comparing the transmitted communication code to a preset communication code and activating the energizing circuit when the transmitted communication code matches the preset communication code.

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