Sentences with phrase «used piezoelectric»

Last year's Mi Mix used a piezoelectric driver for calls, but the Mi Mix 2 offers a regular earpiece.

In doing so, it switched out the proximity sensor with an ultrasonic distance sensor, moved the front camera sensor to the bottom of the screen, and used a piezoelectric ceramic driver in lieu of the earpiece.

Xiaomi used a piezoelectric acoustic driver last year, but switched to a standard earpiece that's located just above the display this time around.

For it to operate underwater, the team used piezoelectric materials in its construction so that it will be powered by the bobbing of the waves.

The athletes» gains in speed and endurance using piezoelectric transducers hidden in their shoes» soles, drawing energy from one footfall and transferring it to the next — known as «foot - boosting» — faced such a public backlash that the burgeoning industry went underground.

Researchers often use piezoelectric ceramics because they impart large amounts of electrical charges; however, the brittleness of ceramics makes them unsuitable for prolonged and large vibrational movements.

Harnessing vibrations from the air using piezoelectric transducers, which would convert that mechanical energy into electricity, seemed like a better idea.

Caption text hereCompletely unfolded, the milliDelta with 15 mm - by - 15 mm - 20 mm roughly compares to a cent piece, and uses piezoelectric actuators, and flexural joints in its three arms to control high - frequency movements of a stage on top.

Third - generation common rail diesels reach 45,000 psi or 3,000 bar, using piezoelectric injectors similar to what Epson uses in its inkjet printers.

Scaling is accomplished using a piezoelectric scaler that uses ultrasonic sound waves to remove hard dental calculus without heating the surface of the tooth.

Using piezoelectric energy generation technology, a

CEO Lei Jun said the company spent three years coming up with a speaker replacement, before finally using a piezoelectric speaker inside the handset that generates sounds through vibrations.

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.

Not exact matches

These materials are also used in everyday devices, such as loudspeakers, which rely on piezoelectrics to convert electrical signals to mechanical vibrations which create sound waves to produce the desired acoustic signal.

Another group of collaborators, led by Professor Jiangyu Li at the University of Washington in Seattle, tested the material using a state of the art apparatus and proved it was, indeed, piezoelectric.

This new tag uses a flexible strip containing piezoelectric materials, which generate electricity through physical movement.

The team's newly designed flexible piezoelectric nanogenerator directly stimulated a living rat's heart using electrical energy converted from the small body movements of the rat.

The team used the strain induced by an electric field applied to a piezoelectric material (which deforms mechanically in response to an electric field) to manipulate the chirality of the domain wall.

So far, however, attempts to harvest this energy using vibrating plates or piezoelectric materials, which produce electricity when compressed or bent, have mustered only a few milliwatts.

The new materials, which generate an electric field when squeezed, copy the crystal structure of conventional piezoelectric materials but use bismuth instead of lead.

Part of the excitement is that such flexible piezoelectric crystals would make more sensitive detectors and could improve the resolution of medical devices that use ultrasound.

A similar technique using standard nylon could also be used to make energy - generating clothing, Siores says: «We can turn nylon into piezoelectric nylon.»

Piezoelectric materials, which generate an electric current when compressed or stretched, are familiar and widely used: think of lighters that spark when you press a switch, but also microphones, sensors, motors and all kinds of other devices.

Piezoelectric materials, which generate an electric current when compressed or stretched, are familiar and widely used: think of lighters that spark when you press a switch, but also microph... Read more

The INKJET process uses no electrodes, and the voltage is applied only to the piezoelectric printing nozzle.

Other recent research areas have included the structural characterization of lattice - mismatched epitaxial metal films on oxide substrates for radiation damage studies, and the development of new complex oxides as high temperature, radiation - resistant piezoelectrics for use in advanced in situ sensors.

«We can directly create piezoelectric materials of the shape we want, where we want them, on flexible substrates for use in energy harvesting and other applications,» said Nazanin Bassiri - Gharb, co-author of the paper and an assistant professor in the School of Mechanical Engineering at the Georgia Institute of Technology.

We have seen piezoelectric transistors incorporated into synthetic skins making them sensitive enough to read fingerprints, other approaches that use multipurpose sensors to detect temperature and humidity in addition to pressure, and others that use pressure - sensitive materials made from inorganic semiconductors to only use a small amounts of power.

Abstract: Piezoelectric materials, which generate an electric current when compressed or stretched, are familiar and widely used: think of lighters that spark when you press a switch, but also microphones, sensors, motors and all kinds of other devices.

We used a 20x water - immersion objective lens (NA = 0.5; Carl Zeiss) mounted with a piezoelectric - activated lens mover (P - 725K085 PIFOC, Physik Instrumente GmbH & Co..

Lookman and his colleagues focused on nickel - titanium - based shape - memory alloys, but the strategy can be used for any materials class (polymers, ceramics or nanomaterials) or target properties (e.g., dielectric response, piezoelectric coefficients and band gaps).

Using state - of - the - art non-contact piezoelectric printing technology.

Leaf - like solar panels harvest the sun's rays, while their fluttering harnesses wind power using a series of piezoelectric generators on the underside of each leaf.

As of 2008, many common rail and unit injection systems already employ new injectors using stacked piezoelectric wafers in lieu of a solenoid, giving finer control of the injection event.

In fact, what makes the piezoelectric so special is its ability to pick up up to 10 distinct inputs which means typing using all 10 fingers is definitely a possibility with the 10 tablet.

In this paper, tracking performance and movement precision of piezoelectric actuator as operating parts of ultra-precision cutting unit is improved using feedback control of inverse - hysteresis model to remove hysteresis property.

In physical rehabilitation, therapeutic ultrasound heats deep tissues and can be used to improve the extensibility of connective tissues, decrease pain and muscle spasms, promote tissue healing, and improve the quality of scar tissue.30 Therapeutic ultrasound units generate an ultrasound wave by applying an electric field to an array of piezoelectric crystals located on the transducer surface.

All that rubbing of your backpack straps on your shoulders may now be put to good use, thanks to straps made of piezoelectric fabric that can convert the friction on your shoulders to electric energy.

Using six piezoelectric actuators, HAMR is capable of tethered locomotion up to 37 cm / s using a 70 Hz gait frequUsing six piezoelectric actuators, HAMR is capable of tethered locomotion up to 37 cm / s using a 70 Hz gait frequusing a 70 Hz gait frequency.

This new energy harvesting device uses an electrochemical process similar to that in lithium ion batteries to produce electricity instead of a physical process like the other piezoelectric materials, which will likely make it inexpensive to manufacture.

b) piezoelectric nuclear batteries: tiny amounts of radioactive isotopes poised under nanotech piezo armatures is used to generate electricity from the piezo vibrations generated by alpha radiation striking the arm.

The bendable lithium - ion batteries could be used for e-paper and in improved piezoelectric devices.

A piezoelectric technology developed by a Kenyan inventor uses your shoe to charge your gadgets while you walk.

The research team is set to start producing samples of the hybrid photovoltaic - piezoelectric material using equipment bought through # 1 million funding from The Knowledge Centre for Materials Chemistry (KCMC).

Researchers have figured out how to use viruses to create electricity in a new piezoelectric technology that could power small electronics through human movement.

The proximity sensor has been replaced by ultrasound, the earpiece has been replaced with a piezoelectric speaker that uses the metal frame to generate sound, and the front - facing camera is relocated to the bottom (though the phone can thankfully be rotated upside down for more flattering selfies).

In order to ditch the bezel, the proximity sensor is replaced by ultrasound, the earpiece is replaced by a piezoelectric speaker that uses the metal frame to generate sound and the front - facing camera takes its place at the bottom of the device (which can be flipped for easier selfie use).

On top of the display, you'll see a small earpiece which peeps out of a tiny cut - out in the middle of the glass; the impressive but ultimately flawed «cantilever piezoelectric ceramic acoustic technology» earpiece used on the original Mi Mix has gone, which is definitely a positive as it was hard to hear in noisy environments.

What's new is a standard earpiece located just above the display, with Xiaomi moving away from the piezoelectric motor it used last time around.

Scientists at AT&T Labs have developed a new system using the smartphone alongwith a piezoelectric gadget that allows only the rightful owner of a house to open the door.