ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,197, issued on Feb. 17, was assigned to Rohm Co. Ltd. (Kyoto, Japan).

"Successive approximation type A/D conversion circuit" was invented by Ryoichi Kurokawa (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A successive approximation type A/D conversion circuit includes a capacitor type DAC and configured to convert an analog input signal into a digital output signal, and the capacitor type DAC includes a capacitor array including a plurality of capacitors, and a switch array configured to selectively apply a first reference voltage, a second reference voltage higher than the first reference voltage, or the analog input signal individual...