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

Claim 8:
9. A positioning determiner 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 positioning determiner comprising:
a processor; and
a memory storing instructions that, when executed by the processor, cause the positioning determiner to:
obtain movement data from a motion sensor of a 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;
determine when the movement data indicates a stop in motion of the portable key device;
trigger 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
refrain from positioning the portable key device until the movement data indicates the stop in motion of the portable key device.