Lock device and associated method, computer program and computer program product
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Feb 19, 2015
filing date -
Feb 19, 2014
priority date (Note) -
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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.
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