ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,343, issued on Nov. 18, was assigned to KEYENCE Corp. (Osaka, Japan).
"Mobile code reading device and code reading method" was invented by Yuta Omura (Osaka, Japan), Kosuke Yanai (Osaka, Japan) and Yoshiyuki Fukumoto (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light source is suppressed from being reflected on a workpiece surface of a specular workpiece. A code reading device generates a code image by receiving light specularly reflected from a specular workpiece surface of light emitted from a diffuser and diffusing and reflecting light emitted to a portion corresponding to a code. A position and an angle of the diffuser are fixe...