The present invention relates to a non-contact switch which is used for an elevator or general automatic doors, and comprises: buttons (B) including a push button or an optical sensor button for selecting an elevator movement or opening an automatic door; a pair of long sensor blocks (10), which are installed adjacent to or above the push button and arranged so as to face each other with a gap (12) equivalent to the width of one to two human fingers therebetween; and a plurality of sensors (S) which are installed in a single file on the surfaces of the sensor blocks that face each other, wherein a sensor detects movement of a human finger moving within the gap (12) at or above a predetermined length or at or above a predetermined speed and selects an upward or downward movement for a destination floor for the elevator or opens the automatic door.
Non-contact selection switch
2015-05-07
Patent
Electronic Resource
English