Patent ID: 11935251
Assignee: LUTRON TECHNOLOGY COMPANY LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 24:
25. A non-transitory computer-readable storage medium comprising computer-executable instructions that, when executed by a control circuit of a control device, cause the control circuit to:
receive one or more signals from a detection circuit that is configured to detect the occupant in a coverage area of the space;
determine preliminary coordinates of the occupant in an occupant map based on the one or more signals received from the detection circuit, wherein the occupant map indicates a location of the occupant in the coverage area;
adjust the preliminary coordinates using a tracking filter to determine the location of the occupant in the occupant map;
determine movements of the occupant through a plurality of zones of the coverage area; and
determine whether the occupant has entered or exited the space based on the movements of the occupant through the plurality of zones of the coverage area.