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1. (WO2015124674) LOCK DEVICE AND ASSOCIATED METHOD, COMPUTER PROGRAM AND COMPUTER PROGRAM PRODUCT

Pub. No.:    WO/2015/124674    International Application No.:    PCT/EP2015/053507
Publication Date: Fri Aug 28 01:59:59 CEST 2015 International Filing Date: Fri Feb 20 00:59:59 CET 2015
IPC: E05B 47/00
Applicants: ASSA ABLOY AB
Inventors: FORSBERG, Tomas
JONSSON, Tomas
Title: LOCK DEVICE AND ASSOCIATED METHOD, COMPUTER PROGRAM AND COMPUTER PROGRAM PRODUCT
Abstract:
It is presented a lock device comprising: a controller configured to determine whether to open the lock device, wherein the controller is configured to provide an open signal when the lock device it to be opened, the open signal being a pulsating signal; a motor controllable to set the lock device in an open state or a closed state; and a motor driver connected between the controller and the motor, the motor driver comprising a capacitor providing a capacitive coupling between the controller and the motor, the motor driver being configured to provide a motor control signal to the motor to set the lock device in an open state only when a duty cycle of the open signal is less than a threshold duty cycle.