ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,684, issued on Feb. 18, was assigned to SONY SEMICONDUCTOR SOLUTIONS Corp. (Kanagawa, Japan).

"Rangefinder, rangefinding system, and rangefinding method" was invented by Kensei Jo (Kanagawa, Japan), Tomoya Takeda (Kanagawa, Japan) and Nana Matsumoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To achieve a configuration of controlling a light source unit having a plurality of light sources and a rangefinder by individual clocks to allow for setting the light sources at optional positions. The output light of a plurality of light sources of the light source unit is reflected from an object's surface, and a ToF sensor captures the r...