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

Claim 10:
11. A method of detecting an authentication device for use with an electronic lockset, the method comprising:
monitoring, by a controller of the electronic lockset, for an incoming wireless signal emitted from the authentication device, the electronic lockset including an interior assembly and an exterior assembly and only one of the exterior assembly or interior assembly includes an antenna;
detecting, with a receiver and the antenna, the incoming wireless signal;
analyzing, by the controller, wireless phase and timing information from the incoming wireless signal;
determining, by the controller, distance and direction information representing a distance and direction to the authentication device through the analysis of the wireless phase and timing information;
analyzing the distance and direction information to detect a pattern of movement of the authentication device; and
controlling, via the controller, movement of a bolt between a locked position and an unlocked position positions based, at least in part, on the detected pattern of movement of the authentication device.