They use sonic waves to detect things. They are used to sense volume of liquid in a tank as well as in humidifiers, sonar, medial ultrasonography, burgular alarms and non-desctructive testing.
Ultrasonic sensors are commonly used for distance measurement, object detection, and collision avoidance in various industries such as automotive, manufacturing, and robotics. They are also used in security systems, parking sensors, and medical imaging applications.
An ultrasonic sensor is used to measure distances by emitting ultrasonic waves and then calculating the time it takes for the waves to bounce back. It is commonly used in robotics, parking sensors, object detection, and distance measuring applications.
Ultrasonic sensors are used as animal repellents. There are some sensors that are designed to only genereate ultrasound when an animal is detected with the motion sensor.
Ultrasonic sensors are also known as transceivers but are more generally called transducers. Ultrasonic sensors work similar to radar or sonar which generate high frequency sound waves.
There is some info at http://www.keyence.com/products/sensors/ultrasonic/ultrasonic.php. They are a manufaturer of them.
Ultrasonic sensores are also known as tranceivers. They are usually used to measure wind speed and direction.
Parking sensors are used to alert drivers of unseen obstacles during parking maneuvers. The parking sensors that are currently used by car producers are electromagnetic sensors and ultrasonic sensors.
Ultrasonic sound examples include medical imaging, cleaning, and distance measurement. In medical imaging, ultrasonic waves are used to create images of internal organs. In cleaning, ultrasonic waves are used to remove dirt and grime from objects. In distance measurement, ultrasonic waves are used in sensors to determine the distance between objects.
Ultrasonic sound is used in medical imaging for procedures like ultrasound scans. It is also used in industrial applications for cleaning, welding, and material testing. Additionally, ultrasonic sensors are used in automotive parking assistance systems.
Ultrasonic sensors are commonly used to measure distance by sending out sound waves and detecting when they bounce back. They are frequently used in robotics for obstacle avoidance, level sensing, and distance measurement applications.
IR and RF sensors
Yes there is. They're commonly known as sonar sensors. Sonar sensors are usually a coupled device which emitt and receive high frequency sound waves and can be used to detect objects within a close proximity.