INTRA

Electric switching elements for use in connection with automatic doors and gates for detecting persons, animals, and objects using light without the need for physical contact, namely, electric safety edges, safety contact mats, movement indicators, light scanners, and photoelectric barriers and sensors; switching units composed primarily of automatic switching apparatus for signal transmission in the nature of transmitters of electronic signals, cables for optical and electrical signal transmission; apparatus for signal transmission in the nature of transmitters of electronic signals and cables for electrical and electromagnetic wave transmission