Patent ID: 11952799
Assignee: ASSA ABLOY AMERICAS RESIDENTIAL INC.
Field: Civil engineering (Other fields)
Classification: CPC E  G  H | IPC E  G  H

Claim 19:
20. A lockset comprising:
a latch assembly including a bolt movable between an extended position and a retracted position;
a motor configured to move the bolt between the extended position and the retracted position;
an interior assembly and an exterior assembly, wherein only the interior assembly includes an antenna;
a controller configured to electronically control the motor to control movement of the bolt between the extended position and the retracted position responsive to receiving a valid authentication from an authentication device;
a receiver connected to the antenna to detect an incoming wireless signal transmitted from the authentication device;
wherein the controller includes an angle of arrival sensor configured to determine a distance and a direction to the authentication device by analyzing a wireless phase and timing of the incoming wireless signal transmitted by the authentication device; and
wherein the controller is configured to control movement of the bolt between the extended and retracted positions based, at least in part, on detecting a pattern of movement of the authentication device determined by analyzing the distance and the direction to the authentication device.