ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,487, issued on March 18, was assigned to Cirrus Logic Inc. (Austin, Texas).

"Circuitry for analyte measurement" was invented by John Paul Lesso (Edinburgh, Great Britain) and Toru Ido (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Circuitry for and methods of analyte measurement Circuitry for measuring a characteristic of an electrochemical cell, the circuitry comprising: a hysteretic comparator having a first comparator input, a second comparator input and a comparator output; a feedback path between the comparator output and the second comparator input configured to provide a feedback signal to the second comparator input; and a loop filte...