US Patent Issued to Siemens Shanghai Medical Equipment on Oct. 7 for "Motor control circuit and medical device" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,484, issued on Oct. 7, was assigned to Siemens Shanghai Medical Equipment Ltd. (Shanghai).

"Motor control circuit and medical device" was invented by Can Guo (Shanghai) and Jun Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motor control circuit includes a switch circuit powered by a power supply to drive a motor to output a motion. A switch drive circuit sends a valid drive signal to the switch circuit to drive the motor to output the motion. A limit switch is associated with a position of the motor's motion output, enabling the motor to generate a feedback signal when the motor outputs the motion to the position in a direction. The...