US Patent Issued to Density on Feb. 11 for "Occupancy analysis system using depth sensing to determine the movement of people or objects" (California, New York, Washington Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,223,790, issued on Feb. 11, was assigned to Density Inc. (San Francisco).

"Occupancy analysis system using depth sensing to determine the movement of people or objects" was invented by Andrew Farah (San Francisco), Casey Kelso (San Francisco), Brian Weinreich (New York), Benjamin Redfield (New York), Garrett Bastable (San Francisco), Matthew Merati (New York) and Siu Kwong Mok (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A depth sensing device, situated above a threshold to a room, collects asynchronous, non-personally-identifiable data regarding a count of people entering and exiting across the threshold. Phase shift of modulated inf...