ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,570, issued on June 16, was assigned to HUAWEI DIGITAL POWER TECHNOLOGIES Co. LTD. (Shenzhen, China).

"Drive apparatus and electric vehicle" was invented by Xuejuan Kong (Dongguan, China), Ningbo Feng (Dongguan, China) and Xing Zhang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive apparatus includes a control chip, a watchdog chip, a drive logic circuit, and a plurality of drive chips. The control chip is connected to the watchdog chip and the drive logic circuit, and is configured to determine a PWM signal of each switch and output the PWM and a first signal to the drive logic circuit. The watchdog chip is connected to the d...