US Patent Issued to Huawei Technologies'Co., 'Ltd.' on June 3 for "Control method for shape memory alloy motor in photographing apparatus and photographing apparatus" (Chinese, Japanese Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,035, issued on June 3, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Control method for shape memory alloy motor in photographing apparatus and photographing apparatus" was invented by Jiazhi Dai (Shanghai), Chuan Yang (Dongguan, China), Feng Gao (Shanghai), Huogen Kuang (Shanghai) and Takao Ishii (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photographing apparatus includes a shape memory alloy (SMA) motor, an image sensor, a lens, and a controller. The SMA motor includes an SMA wire. The SMA wire is configured to deform to drive the lens to move. The controller is configured to output a pulse signal. The puls...