US Patent Issued to ROHM on Nov. 3 for "Method of evaluating natural frequency of piezoelectric vibrator, method of driving transducer, signal transmitting/receiving device, and drive system" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,229, issued on Nov. 3, was assigned to ROHM Co. LTD. (Kyoto, Japan).

"Method of evaluating natural frequency of piezoelectric vibrator, method of driving transducer, signal transmitting/receiving device, and drive system" was invented by Takashi Naiki (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of evaluating a natural frequency of a piezoelectric vibrator including a vibrating membrane and a piezoelectric element, includes: acquiring power-generating wave information of the piezoelectric vibrator from vibration of the vibrating membrane, which is caused by generating an electric field in a piezoelectric film of the piezoelec...