US Patent Issued to Wacom on Dec. 2 for "Integrated circuit" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,458, issued on Dec. 2, was assigned to Wacom Co. Ltd. (Saitama, Japan).

"Integrated circuit" was invented by Takeshi Koike (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A delta-sigma modulation circuit is enabled to be used to detect a pen signal. An integrated circuit according to the present disclosure is a sensor controller that detects pen signals transmitted from an active pen. The integrated circuit includes a delta-sigma modulation circuit including a subtractor that subtracts a feedback signal from a received signal input from a sensor, an integrator that integrates an output signal of the subtractor, a quantizer that quantiz...