US Patent Issued to Otis Elevator on Nov. 25 for "Calibration method and system for virtual buttons, elevator and storage medium" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,696, issued on Nov. 25, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Calibration method and system for virtual buttons, elevator and storage medium" was invented by Qiang Chen (Shanghai), Bichun Li (Shanghai), Qirui Wang (Shanghai) and Shenhong Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A calibration method and system for virtual buttons, an elevator, and a storage medium. The method includes: receiving a first designation regarding a layout of the virtual buttons in a virtual keypad zone; receiving a second designation regarding a number of the virtual buttons; and determining a position of each of the virtual buttons ...