US Patent Issued to SONY SEMICONDUCTOR SOLUTIONS on Sept. 23 for "Current source circuit and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,991, issued on Sept. 23, was assigned to SONY SEMICONDUCTOR SOLUTIONS Corp. (Kanagawa, Japan).

"Current source circuit and electronic device" was invented by Masahiro Ichihashi (Kanagawa, Japan), Masayuki Katakura (Kanagawa, Japan), Kazumasa Nishimura (Kanagawa, Japan), Tetsuya Tashiro (Kanagawa, Japan) and Nobuhiko Shigyo (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To improve stability of a reference current in a current source circuit that generates the reference current by using capacitors. The current source circuit includes a pair of capacitors, a switching circuit, an operational amplifier, and an output transistor. The sw...