US Patent Issued to Sharp on May 20 for "Optical scanning device, image forming apparatus, and control method" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,223, issued on May 20, was assigned to Sharp K.K. (Sakai, Japan).

"Optical scanning device, image forming apparatus, and control method" was invented by Kazutaka Matsumoto (Sakai, Japan) and Ryotaro Kuroda (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical scanning device includes a laser driver, an offset value determiner, a bias current setter, and a laser driver controller. The laser driver controls a laser light emitter to increase or decrease an excess of a current over a bias current in response to an input analog signal. The offset value determiner determines an offset value of the analog signal input to the laser driver ...