Sentences with phrase «ultrasonic sound»
Ultrasonic sound refers to sound waves that are very high-pitched and cannot be heard by humans. These sound waves have frequencies higher than what our ears can detect, typically above 20,000 hertz. They are often used for various purposes, such as medical imaging, cleaning objects, and even pest control. Full definition
Parking sensors, which use ultrasonic sound waves or radar to detect objects around the vehicle, also reduced blind zones, but not as much.
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CatStops and similar products emit a burst of ultrasonic sound (inaudible to humans) that startles cats who pass into the device's range.
As more secure methods continue to be developed, such as fingerprint and facial recognition and even ultrasonic sounds, companies should not shy away from updating security measures as often as needed to stay ahead of hackers.
Bats, for example, bounce ultrasonic sound waves off insects to pinpoint their prey's location, direction of motion, and speed.
Mice with defective FOXP2 genes don't make ultrasonic sounds when separated from their mothers.
Types of portable humidifiers include those that are ultrasonic, producing a cool mist by ultrasonic sound vibrations, or impeller humidifiers, which use a high - speed rotating disk or fan to make the mist.
That's because the nocturnal creatures navigate by bouncing ultrasonic sound off of their surroundings, a technique known as echolocation.
They then submerged them in a mixture of silicone oil and water that they blasted with ultrasonic sound waves to generate micrometer - sized oil droplets.
For nearly 65 million years, bats and tiger moths have been locked in an aerial arms race: Bats echolocate to detect and capture tiger moths, and tiger moths evade them with flight maneuvers and their own ultrasonic sounds.
Since its discovery, researchers have found that the gene plays a role in the development of language (ScienceNOW, 14 August 2002), that mice need the gene to emit characteristic ultrasonic sounds (ScienceNOW, 21 June 2005), and that it plays a role in bat echolocation (ScienceNOW, 19 September).
The device releases a pet - friendly ultrasonic sound (one that humans can't hear) with the press of a button to curb barking and other unwanted behavior.
Finally, there are electronic flea collars that transmit ultrasonic sound waves that supposedly drive off fleas and ticks, but are not heard by cats or their humans.
As with most other ultrasonic sounds your dog hears every day, your dog is likely to ignore the high - pitched sounds unless they are associated with something noteworthy.
Transmitters take power from an outlet or building's electircal system, convert it into ultrasonic sound waves, and then beam the vibrations towards a device with a receiver, like a phone with a wireless charging case.
The Under Display Fingerprint Scanning Solution from Vivo works by using piezoelectric effects which will generate and receive ultrasonic sound waves when a finger is pressed against the display.
The Android and search giant has launched Tez, a free mobile wallet in India that will let users link up their phones to their bank accounts to pay for goods securely in physical stores and online, and for person - to - person money transfers with a new twist: Audio QR, which uses ultrasonic sounds to let you exchange money, bypassing any need for NFC.
The foundation of Vivo's in - display fingerprint scanner is an optical technology, rather than resistive, capacitive, or even ultrasonic sound.
There are also a variety of ultrasonic cat deterrents available, which use a harmless burst of ultrasonic sound to keep cats out of the area.
The company claims that it uses ultrasonic sound waves to repel the pesky blood - sucking critters, that means there are no obnoxious tones or odors emitted from the device.
One Silicon Valley start - up is working on a new piece of software (that's right, software) that uses «ultrasonic sound» to transmit information — including payment information — to a point of sale system.
In this process, the object is placed in a tank of cleaning solution, and subjected to ultrasonic sound wave.
As the team reports online this week in Proceedings of the National Academy of Sciences, the homozygous mice didn't make the ultrasonic sounds that young mice emit when separated from their mothers.
Mice use the gene as well: Those without it can not communicate using ultrasonic sounds (ScienceNOW, 21 June 2005).
For the body water leak issue, we used a ultrasonic sound source inside the car, closed all the windows and doors and checked the entire car for sealing.
The stylus transmits its movements to the tablet using ultrasonic sound, which the device picks up with five microphones it has dedicated for that purpose.
These products use ultrasonic sound to stop dog barking both indoors and outdoors.
The most popular of these products is the PetSafe Ultrasonic Outdoor Bark Control which looks like a bird house, but emits an ultrasonic sound heard only by dog.
This ultrasonic sound is safe to dogs and is undetectable to humans.
It works by emitting sonic and ultrasonic sound waves which dogs find offensive.
There are several indoor and outdoor devices that use a loud sound or ultrasonic sound (can not be heard by humans) to stop barking.
For instance, bark collars may train a dog not to bark by emitting a shock, aversive spray or an ultrasonic sound the moment the dog barks.
There is a huge bump on the bottom rear of the device from where the ultrasonic sound waves are released to keep the mosquitos away.
Based on Qualcomm's Fingerprint Sensors technology, the Under Display Fingerprint scanning feature will generate the ultrasonic sound waves through the OLED screen.