ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,333, issued on March 31, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).
"Signal processing circuit" was invented by Yoshihiro Yamaguchi (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A signal processing circuit is provided that includes a capacitor coupled to a signal line to be coupled to a sensor, and coupled in series with the sensor, and a variable resistance circuit coupled in parallel with the capacitor. The variable resistance circuit and the capacitor form a high-pass filter that allows a signal having a cutoff frequency or higher to pass through the high-pass filter. In the variable resistance circuit...