US Patent Issued to Asahi Kasei Microdevices on Feb. 25 for "DWA circuit and DA conversion apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,847, issued on Feb. 25, was assigned to Asahi Kasei Microdevices Corp. (Tokyo).

"DWA circuit and DA conversion apparatus" was invented by Daisuke Matsuoka (Tokyo) and Tatsuya Chubachi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A DWA circuit includes: a thermometer conversion unit configured to convert an input digital signal into a thermometer code; a shift amount storage unit configured to store a shift amount; a shift unit configured to cyclically shift the thermometer code; an arrangement conversion unit configured to supply, to an analog output circuit, an output control code obtained by converting a bit arrangement of a shifted code;...