ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,849, issued on Nov. 25, was assigned to KEYENCE Corp. (Osaka, Japan).
"Code reader and code reading method" was invented by Hiroomi Ohori (Osaka, Japan) and Taichi Tajika (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A code reader includes: a plurality of illumination units that irradiate the workpiece with illumination light; an imaging unit that includes a Scheimpflug optical system and generates and outputs a code image; and a control unit that executes decoding processing on the code image. The Scheimpflug optical system is used to form a focal plane extending from a near side to a far side of the imaging unit and make light distr...