ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,129, issued on April 8, was assigned to Schneider Electric USA Inc. (Boston).
"Randomly jittered under-sampling and phase sampling for time-frequency and frequency analyses in AFCI, GFCI, metering, and load recognition and disaggregation applications" was invented by Joseph Hall (Rapid City, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods/systems employ randomly jittered under-sampling to reduce a sampling rate required to estimate the amplitude of high-frequency signals in circuit breakers, power meters, and other digital signal processing applications. The methods/systems can greatly reduce the nominal sampling rate for applications wh...