ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,576, issued on March 17, was assigned to Infineon Technologies Americas Corp. (El Segundo, Calif.).

"Successive aproximation register analog to digital converters including built-in self-test" was invented by Susumu Kuroda (Aichi-pref, Japan), Masashi Kijima (Aichi, Japan) and Rajiv Singh (Bothell, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Successive Approximation Register (SAR) Analog to Digital Converter (ADC) includes a Capacitive Digital to Analog Converter (CDAC), a comparator, and control logic. The CDAC includes a plurality of trim capacitors addressed via a trimming code. The comparator is coupled to the CDAC to compare an outp...