Patent ID: 11967194
Assignee: ASSA ABLOY AB
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A method for determining when to trigger positioning of a portable key device used in access control for an electronic lock controlling access to a restricted physical space, the method being performed in a positioning determiner and comprising:
obtaining movement data from a motion sensor of the portable key device, the movement data including at least one of acceleration data or velocity data, and indicating non-absolute movement of the portable key device;
determining when the movement data indicates a stop in motion of the portable key device;
triggering positioning of the portable key device when a stop in motion of the portable key device has been determined, the positioning indicating a position of the portable key device relative to the restricted physical space; and
refraining from positioning the portable key device until the movement data indicates the stop in motion of the portable key device.