US Patent Issued to DENSO on July 21 for "Optical detector" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,617, issued on July 21, was assigned to DENSO Corp. (Kariya-city, Japan).

"Optical detector" was invented by Kazuhisa Onda (Kariya-city, Japan), Teiyuu Kimura (Kariya-city, Japan) and Mitsuhiro Kiyono (Kariya-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical detector includes a light emitting unit and a light receiving unit that receives a reflected light reflected by a measurement object. The light receiving unit has a detection element and a condenser lens system that collects the reflected light to the detection element. The condenser lens system has a plurality of lenses. The condenser lens system has a temperature change fac...