ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,621, issued on July 21, was assigned to CANON K.K. (Tokyo).

"Ranging device and driving method of ranging device" was invented by Hidetoshi Hayashi (Kanagawa, Japan) and Shogo Yamasaki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ranging device includes: a processing unit configured to operate in a first mode for outputting a signal based on incident light to a first number of photoelectric conversion elements among photoelectric conversion elements and configured to operate in a second mode for outputting a signal based on incident light to a second number of photoelectric conversion elements among the photoelectric conversion ...