Patent ID: 7683758
Filing Date: 2010-03-23
Classification: B60R,B62H,G07C,G07F,H04Q,Y10T

Abstract:
1. An electronic access control device comprising: a circuit having a portion deactivated during a first time period; a portion of the circuit enabled during a second time period, a portion of the circuit having an enable output signal generated in response to a sensed electromagnetic signal; a portion of the circuit being enabled for an extended time period that is greater than the second time period; a portion of the circuit having an input code output generated in response to an electromagnetic signal and during the extended time period; a microprocessor having an unlock output signal generated if the input code matches the access code; an electromechanical driver having an output signal generated in response to the unlock signal; a non-volatile memory comprising a serial number; and, a keypad operatively connected to the microprocessor for enabling a portion of the circuit and entering an access code.