ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,661, issued on June 16, was assigned to Shenzhen Oceanwing Smart Innovations Technology Co. Ltd. (Shenzhen, China).

"Pan-tilt camera equipment" was invented by Yiyin Zhang (Shenzhen, China) and Qiao Zhang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a control method, system, device, and storage medium for a pan-tilt camera device. The method comprises: obtaining the current battery level and current environment of the pan-tilt camera device; after determining that both the current battery level and current environment meet preset conditions, controlling the pan-tilt camera device to rotate within the mon...