This Ultrasonic Sensor Circuit consists of a set of ultrasonic receiver and transmitter which operate at the same frequency. When something moves in the area covered the circuit’s fine balance is ...

Ultrasonic double-sheet detectors distinguish between single and double sheets of paper, plastic, or metal foils to prevent waste or machine damage. The sensor operates by beaming ultrasonic sound ...

ADAR, the foundation for the Sonair 3D ultrasonic sensor, is the first sensor technology to use ultrasound in the air to give robots safe spatial awareness in 3D. Decades in the making ...