US Patent Issued to PixArt Imaging Incorporation on Feb. 10 for "Track-and-hold circuit having pre-charging MOSFET capacitor thereof for shortening wake-up delay time" (Malaysian Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,190, issued on Feb. 10, was assigned to PixArt Imaging Incorporation (Hsinchu, Taiwan).

"Track-and-hold circuit having pre-charging MOSFET capacitor thereof for shortening wake-up delay time" was invented by Boon-Eu Seow (Penang, Malaysia) and Kei-Tee Tiew (Penang, Malaysia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A track-and-hold circuit includes a charge pump circuit and a bootstrapped switch. The charge pump circuit pumps a supply voltage into a pumped voltage higher than the supply voltage, including: a MOSFET capacitor, switched based on a clock signal; and a pre-charging circuit for pre-charging a body of the MOSFET capacitor based on a ...