US Patent Issued to MITSUBISHI ELECTRIC on Nov. 3 for "Light-emitting element drive circuit and laser processing machine" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,136, issued on Nov. 3, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Light-emitting element drive circuit and laser processing machine" was invented by Kengo Nishimura (Tokyo), Shuji Wakaiki (Tokyo), Koji Nakajima (Tokyo), Takashi Kumagai (Tokyo), Yoshikazu Tsunoda (Tokyo), Takeshi Morimoto (Tokyo) and Yuichi Igarashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element drive circuit includes a boost voltage source that applies a first voltage to an LD, a main voltage source that applies a second voltage lower than the first voltage to the LD, a MOSFET that switches on and off the application of the first voltage to th...