US Patent 10968073 Touchless elevator keyboard system

A touchless keyboard system for operating an elevator through an existing touch-sensitive keyboard of the elevator, the touchless keyboard system including a touchless detection device comprising at least one sensor for detecting non-touch indications from users for opted floors, an actuation device comprising at least one actuator for physical engaging buttons of the existing touch-sensitive keyboard of the elevator corresponding to the opted floors, and a controller in communication with the detection device and with the actuation device for receiving and processing output signals from the at least one sensor and controlling movement of the at least one actuator based on the processed output signals. The touchless keyboard system further comprises a touchless keyboard housing for receiving the touchless detection device and the actuation device, where the touchless keyboard housing is operatively mountable to the touch-sensitive keyboard of the elevator. There is also provided a device unit, and a method of operating an elevator through an existing touch-sensitive keyboard of the elevator.