ultrasonic sensor

How Is Ultrasonic Sound Detected?

by

How Is Ultrasonic Sound Detected? Ultrasonic sensors use sound waves above the 20 kHz range to detect objects in proximity, similar to how bats use echolocation to maneuver without colliding into obstacles. How is ultrasonic measured? An ultrasonic device operates by combining the creation of a pulse, or series of pulses of sound by measuring

What Is An Ultrasonic Device?

by

What Is An Ultrasonic Device? Ultrasonic devices claim to use ultra-high frequency sound waves to chase away birds, bats, rodents and arthropod pests like fleas, cockroaches, silverfish and even spiders. Do ultrasonic devices really work? In summary, ultrasonic pest repellers emit high-frequency sounds that manufacturers claim reduce household pest infestation, but laboratory tests have shown