ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,380,527, issued on Aug. 5, was assigned to QUANTA COMPUTER INC. (Taoyuan, Taiwan).
"Non-contact elevator control system" was invented by Jung-Wen Chang (Taoyuan, Taiwan) and Chien-Hung Lin (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A non-contact elevator control system having a control panel with multiple buttons, an image processor, a first and a second camera module, wherein the first and second camera modules are arranged at two adjacent corners of the control panel, is disclosed. When an object enters a detection range, the image processor obtains a first imaging position of the object based on a first image taken by the first ca...