Sentences with phrase «ultrasonic calls»

In particular, ultrasonic calls emitted by mouse pups communicate distress, and elicit a search

Human infants solicit parental care by crying, while neonatal mice emit ultrasonic calls that serve a clear functional purpose as they trigger a dam's retrieval response.

«How mice babies ensure mother's protection: Genetic study identifies neuronal circuits responsible for ultrasonic calls uttered by mouse pups.»

The Vietnamese pygmy dormouse seems to make ultrasonic calls to guide its motion.

As the bats search for a place to roost, the structure acts as an acoustic flag, bouncing back the ultrasonic calls the bats emit to navigate (a process known as echolocation) and waving the bats down to a comfortable home.

Using a high - speed camera (tracking reflective landmarks on the bat's ear, as seen above) and 3D digital modeling, researchers have shown that bats bend their ears in various directions to listen for the echoes of their ultrasonic calls.

The tree - climbing Vietnamese pygmy dormouse seems to make ultrasonic calls to guide its motion.

In contrast, rat laughter comes in the form of high - frequency 50 - kilohertz ultrasonic calls, or «chirps,» that are distinct from other vocal emissions in rats.

Presumably, insects that can't discern the ultrasonic calls of foraging bats — and therefore can't avoid the predators — won't be directly affected by a shift to LEDs.

To find out where N. primus goes each night, we deploy dozens of sound traps in the forest — acoustic versions of camera traps, tuned to listen for and record the ultrasonic call of the species.

Not exact matches

The ceramic element prevents the formation of what is called «white mist,» a common problem with ultrasonic humidifiers using metallic vibrating element.

Mice usually sing to each other through a kind of song called ultrasonic vocalizations, which are too high - pitched for a human to hear.

Researchers observe animals putting out their own ultrasonic blasts to interfere with the hunting calls of competitors

Most crickets distinguish between mates and predators based on the frequency of sound: male crickets produce low frequency calls to attract females, while bats produce high frequency (ultrasonic) sounds for echolocation.

The robot would then use ultrasonic sensors to detect the location of the person being called and navigate to that person, who answers the Skype videoconference call via Kompaï's multitouch tablet PC and Webcam.

The interfering bats produce an ultrasonic signal just as the foraging bat produces its feeding call, effectively jamming the echolocation signal and causing the forager to miss its target.

Drone - builder Tom Moore and bat enthusiast Tom August have developed two aerial drones and one remote - controlled boat equipped with ultrasonic detectors to listen for bat calls.

The soundtrack revealed that they often produced a series of quick, ultrasonic pulses similar in structure to bat echolocation calls but much quieter.

The Maryland researchers are the first to report this ultrasonic social call produced exclusively by flying, foraging male big brown bats.

The discovery was made using a suite of sensors called 2D ultrasonic Doppler velocity profilers.

The same ultrasonic sensors used for BLIS are often repurposed for the so - called rear cross-traffic alert systems that sound an audible tone when another vehicle is approaching from the sides while one is reversing out of a parking spot or driveway.

Giving a glimpse at the sort of autonomous driving technology we can expect to see on future Audi models, the h - tron quattro comes equipped with all the various technologies the German car maker has developed as part of its so - called Piloted Driving research programme, including radar sensors, stereo cameras, ultrasonic sensors and a laser scanner.

All - wheel steering, air suspension, and a combination of radar, video, ultrasonic sensors, and a laser scanner — which feed into what Audi calls the «central driver assistance controller» (zFAS) in the trunk, and which will eventually be used for piloted driving — round out the key tech.

Then, the surgeon uses a technique called phacoemulsification, in which he uses a small ultrasonic handpiece that breaks up the cataract and aspirates it out of the eye.

These ultrasonic bat calls can be made audible to the human audible range with bat - detectors.

The calls were recreated in a lab with an ultrasonic loudspeaker.

Then the iPhone is shown to be locked and an inaudible voice command in an ultrasonic range is issued to Siri which then recognizes the command and again makes a call.

The packaged headphones feature a so - called ultrasonic beam that scans the user's unique ear architecture, creating a personalized profile based on the readings.

The ultrasonic proximity sensor returns but is no longer accompanied by a vibration speaker found underneath the surface for calls.

Other than that, the front is all screen, ultrasonic proximity sensor embedded directly into it, and something called «cantilever piezoelectric ceramic acoustic technology» replacing the conventional earpiece speaker.

Recently, for example, researchers demonstrated so - called «Dolphin attacks» that use ultrasonic commands to manipulate voice activated devices like Amazon's Echo or Google's Now.

At the event, Qualcomm unveiled its next - generation ultrasonic fingerprint - reading solution called Fingerprint Sensors.