ultrasonic transducer

(redirected from Ultrasonic sensors)
Also found in: Medical, Wikipedia.

ultrasonic transducer

[¦əl·trə′sän·ik tranz′dü·sər]
(engineering acoustics)
A transducer that converts alternating-current energy above 20 kilohertz to mechanical vibrations of the same frequency; it is generally either magnetostrictive or piezoelectric.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Ultrasonic sensors are susceptible to air turbulence and temperature, causing guide point shifts when these problems occur.
Discreetly mounted on the rear number plate and automatically activated in reverse gear, two ultrasonic sensors can detect obstacles up to 100cm behind the car.
It includes an engine immobiliser with coded transponder chip embedded in the ignition key, alarm system with ultrasonic sensors and shielded door locks with double locking.
Ultrasonic sensors can be wired with inexpensive RG-6 cable--the same grade of wire that is used for cable TV.
ULTRASONIC sensors in the pillars which trigger off the alarm when something moves inside the car.
Ultrasonic sensors: Ultrasonic sensors send out a beam of sound energy which upon hitting an object is reflected back to the sensor.
Robots that use ultrasonic sensors to measure distances are beginning to appear in factories.
The vehicle features exteriors with chrome embellishments, custom 17 inch wheels, driver assistance technologies that utilise two cameras, three radars and 12 ultrasonic sensors, and a B&O Play sound system with nine speakers.
PIL (Germany) has announced its new P43 ultrasonic sensors to measure distances.
The Drive Me cars are equipped with radar, cameras, laser scanners, and ultrasonic sensors.
According to Cnet, once the driver of the i3 electronic car is ready to find a parking spot, he can push the button on the car's console after which, the car's ultrasonic sensors scan around and look for a space.
A fixed ring of ultrasonic sensors mounted on the first calibrator reportedly allows much faster die centering and start-up of large pipe extrusion lines, drastically reducing scrap.