ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,618, issued on Aug. 11.
"Sound wave processing device and ultrasonic system" was invented by Takahiro Tsuboi (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A burst drive signal has a sensor drive period for transmitting a first drive signal, and an interval period provided between the sensor drive periods adjacent to each other, for transmitting a second drive signal. The first drive signal has a frequency within a frequency band of a band pass filter. The second drive signal has a frequency that is different from a resonant frequency of a sensor element and is outside the frequency band of the band pass filter."
The patent was filed ...