Patent ID: 6034616
Filing Date: 2000-03-07
Classification: E05B,G07C,Y10T

Abstract:
An electronic combination lock comprising a dial means for inputting combination elements;generator means driven by said dial means for powering said electronic lock and for converting said inputting of said combination elements into electrical signals;microprocessor means for receiving said signals and for utilizing said signals to control the operation of said microprocessor;display means for displaying to an operator numbers to be incremented and decremented to enter numerical elements of the combination into the lock;means for storing data representing a predetermined amount of turn of said dial without stopping;said microprocessor further comprising means for correllating said signals with movement of said dial means;means for detecting when said dial has stopped turning:means for determining the extent of the turn of said dial completed since said dial was last stopped;means for comparing said extent of the turn of said dial with said predetermined extent of turn of said dial; andmeans responsive to said means for comparing for creating a signal for prevent said lock from opening when said comparison result is that, independent of the dial position, said extent of the turn of said dial exceeds said predetermined extent of the turn of said dial stored in said means for storing.