Device for monitoring the entry area of an escalator or moving walkway

摘要

Light sensors (12) are provided in the area where the hand rail turns so that the sensors monitor the access area to the escalator or moving pavement and in particular an access plate (14). The light sensors can be located in balustrade pedestals either to the right or left of the hand rail or on one side only. The sensor can consist of a transmitter and a receiver. It can be an infrared sensor initiated by reflection of the light beam