Detectors for recording distance, routes and spacing information as well as for searching for objects; optical, magnetic, induction, capacitive, ultrasound, radar-type, measuring, signaling, control, regulating and checking apparatus and instruments; optical, electronic, photoelectric, magnetic detectors, ultrasonic transducers, ultrasonic detectors; ultrasonic detectors for application in industrial automation, in particular in the field of filling level determination and control; analog and digital detectors, in particular ultrasonic proximity sensors.
Electrical and Scientific Apparatus