ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,617, issued on Aug. 11, was assigned to Rohm Co. Ltd. (Kyoto, Japan).

"Drive device, ultrasonic sensor and vehicle" was invented by Hideki Matsubara (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a drive device. The drive device includes a burst generating circuit and a drive circuit. The burst generating circuit is configured to generate a burst signal. The drive circuit is configured to generate a pulse drive signal based on the burst signal and supply the pulse drive signal to a target-driving element. The pulse drive signal includes a first signal having a self-wave identification frequency and a sec...