Armin Hollstein

Ultrasound transducer used as a parking aid comprises a U-shaped pot with a hollow cylindrical wall and an end on the front side forming the transducer face and an electromechanical transducer arranged on the inner side

Device for execution of distance measurements as parking assistance in motor vehicles, has lateral ultrasonic sensor, which is arranged at longitudinal side of motor vehicle such that multiple parking space forming obstacle are detected

Verfahren und System zur Unterstützung eines Rangierens eines Kraftfahrzeugs

Combination sensor for determining quality and level of fluid in container, particularly sensor for measuring oil in internal combustion engine, comprises disc-shaped piezo-ceramic sensor that activates frequency in thickening direction

Device for transmission of data and electric energy in motor vehicle, has main apparatus, arranged in motor vehicle, which is provided with light emitter, where main apparatus and auxillary apparatuses are connected by light conductor

Schallwandler und Verfahren zu dessen Herstellung

Object e.g. pedestrian, collision identifying method for e.g. car, involves measuring distance between vehicle and objects by ultrasonic sensor in one operating mode, and operating sensor to determine impact sound of vehicle in another mode

Sound transducer i.e. electrostatic ultrasonic sound transducer, for use as distance sensor in automotive engineering, has base electrode designed by conductive path arranged on circuit carrier, where carrier is printed circuit board

Ultrasonic vibration transducer

Monitoring method for cylinder head gasket at internal combustion engine, involves monitoring condition of cooling fluid by sensor upon inflow of engine oil and combustion residues, and controlling cooling fluid