A touchless elevator call button selection device utilizing a plurality of infrared beams is disclosed along with its method of use. By using beams of light to detect the position of a user's hand, the touchless elevator call button selection device allows the user to interface with the elevator control system without physically coming into contact with the elevator control system.
HANDSFREE ELEVATOR CONTROL SYSTEM
2021-12-09
Patent
Elektronische Ressource
Englisch