ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,939, issued on Jan. 13, was assigned to MITSUMI ELECTRIC Co. LTD. (Tokyo).
"Semiconductor integrated circuit device" was invented by Yoichi Takano (Hadano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a semiconductor integrated circuit device including: a switching transistor; a terminal to receive a control signal from outside; and a control circuit that controls the switching transistor based on the control signal. The control circuit includes: a reference voltage source that generates a reference voltage from the DC voltage; a differential amplifier to receive the reference voltage and a voltage of the voltage output terminal...