Electronic locking device

Details Electronic locking device Electronic locking device

E - Fixed Constructions

05

B

342/10

E05B 49/04 (2006.01) G05B 19/04 (2006.01)

Patent

CA 1169948

ABSTRACT OF THE INVENTION An electronic locking device having a memory circuit for memorizing intrinsic codes and a digital watch to indicate variable codes with time. The input-code for unlocking an object is given by calculation of the intrinsic figure and the variable figure. In the control unit, the variable figure is deducted from the input-code, and the remainder is identified if it is in agreement with the intrinsic figure. Unlocking is made only when the remainder agrees with the intrinsic figure.

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