ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,230,462, issued on Feb. 18, was assigned to Rohm Co. Ltd. (Kyoto, Japan).
"Pulse control device" was invented by Hiroto Oshita (Kyoto, Japan), Tetsuo Tateishi (Kyoto, Japan), Yosuke Fukumoto (Kyoto, Japan), Yuhei Yamaguchi (Kyoto, Japan), Yoju Imamura (Kyoto, Japan) and Genki Tsuruyama (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pulse control device 10 comprises: a switch output unit 100 which generates a pulse output voltage Vo from a direct-current input voltage Vi and supplies the pulse output voltage Vo to a load (such as a relay coil 21 of a mechanical relay 20); a low-pass filter unit 300 which receives a feedback input of the p...