US Patent Issued to SHENZHEN JINGXINTAI HOUSEWARE on Sept. 8 for "Wide voltage adaptable drive and control circuit for hairdryers" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,129, issued on Sept. 8, was assigned to SHENZHEN JINGXINTAI HOUSEWARE Co. LTD. (Shenzhen, China).

"Wide voltage adaptable drive and control circuit for hairdryers" was invented by Jinshan Zou (Shenzhen, China) and Ming Chen (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a wide voltage adaptable drive and control circuit for hairdryers, which relates to the technical field of AC-DC conversion and comprises a main control-motor driver chip U2, a main power module, a voltage sampling module, and a rectification mode switching module. The voltage sampling module is used to detect a voltage of at least one...