US Patent Issued to Touch Biometrix on Oct. 21 for "Apparatus and method for capacitive touch detection" (British Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,941, issued on Oct. 21, was assigned to Touch Biometrix B.V. (Weert, Netherlands).

"Apparatus and method for capacitive touch detection" was invented by Wilhelmus Van Lier (St Asaph, Great Britain) and Henricus Derckx (St Asaph, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a sensing element to sense a parameter, the sensing element comprising a sense TFT having a gate connection connected to a sensing electrode. the method comprising: providing a reference current (Ibias) through the sense TFT: providing a reference voltage (Vbias) at the gate connection to obtain a reference sample voltage (Vcap) from a source ...