ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,861, issued on Sept. 22, was assigned to DENSO Corp. (Kairya-city, Japan).

"Optical distance measuring device" was invented by Akifumi Ueno (Kariya-city, Japan), Masato Rinnai (Kariya-city, Japan) and Fumiaki Mizuno (Kariya-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical distance measuring device includes a light emitting part, a mirror, a scanner that scans a predetermined scanning range with an irradiation light by operating the mirror in a forward movement motion and a backward movement motion, a light receiving part that detects a reflected light returned by reflecting the irradiation light from a target existing in the sc...