ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,601, issued on July 8, was assigned to AMAZON TECHNOLOGIES INC. (Seattle).

"Techniques for determining distances using passive infrared sensors" was invented by Eric S. Micko (San Jose, Calif.) and Sonny Windstrup Rasmussen (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes, in part, techniques for using multiple passive infrared sensors to determine a distance to an object. For instance, an electronic device may include a first passive infrared sensor including a first FOV that extends a first distance from the electronic device and a second passive infrared sensor including a second FOV that extends a second distanc...