US 12,313,722 B2
Occupant detection device
James P. Steiner, Royersford, PA (US)
Assigned to Lutron Technology Company LLC, Coopersburg, PA (US)
Filed by Lutron Technology Company LLC, Coopersburg, PA (US)
Filed on Apr. 13, 2023, as Appl. No. 18/134,421.
Application 18/134,421 is a continuation of application No. 16/550,033, filed on Aug. 23, 2019, granted, now 11,662,450.
Claims priority of provisional application 62/799,497, filed on Jan. 31, 2019.
Claims priority of provisional application 62/722,462, filed on Aug. 24, 2018.
Prior Publication US 2023/0305131 A1, Sep. 28, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G01S 13/04 (2006.01); G01J 5/00 (2022.01); G05B 13/02 (2006.01); G06V 10/25 (2022.01); G06V 40/10 (2022.01)
CPC G01S 13/04 (2013.01) [G01J 5/0025 (2013.01); G05B 13/0265 (2013.01); G06V 10/25 (2022.01); G06V 40/10 (2022.01)] 39 Claims
OG exemplary drawing
 
1. A method comprising:
determining locations of one or more occupants in a first coordinate system associated with an occupant detection device;
receiving knowledge about bounds of a region of interest in a space;
determining whether the one or more occupants are within the bounds of the region of interest based on the locations of the one or more occupants;
assigning respective tracking numbers to the one or more occupants upon detecting the one or more occupants in the space;
storing the tracking numbers and the locations of the one or more occupants in memory;
determining a count of a number of occupants in the region of interest based on whether the one or more occupants are within the bounds of the region of interest; and
increasing the count of the number of occupants in the region of interest in response to determining that a current occupant has entered the region of interest.