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

Claim 14:
15. A method for detecting and tracking an occupant entering or exiting a space, the method comprising:
receiving one or more signals from a detection circuit that is configured to detect the occupant in a coverage area of the space;
determining 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;
adjusting the preliminary coordinates using a tracking filter to determine the location of the occupant in the occupant map;
determining movements of the occupant through a plurality of zones of the coverage area; and
determining 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.