Sentences with phrase «piezoelectric sensors»
The illustrative electronic device 900 of FIG. 9 includes a mobile communication circuit, a touch sensitive display, wellness sensors, a near field communication circuit, a global positioning system device, an infrared sensor, twin microphones configured for selective beam steering, and a cover layer configured with piezoelectric sensors so as to function as an acoustic transducer and input control device.
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These sensors would create electricity in a process known as «piezoelectric» generation.
Previous work by the researchers on piezoelectric textiles has so far mainly focused on sensors and their ability to generate electric signals through pressure sensitivity.
A new generation of lead - free piezoelectric materials could lead to greener actuators, sensors and even ultra-dense data storage.
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.
The sensors, which the researchers have already shrunk to a 1 millimeter cube — about the size of a large grain of sand — contain a piezoelectric crystal that converts ultrasound vibrations from outside the body into electricity to power a tiny, on - board transistor that is in contact with a nerve or muscle fiber.
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 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.
Instead of piezoelectric knock sensors positioned in the cylinder block to detect detonation via sound - pressure level, the spark plugs themselves do the knock - sensing — and do it incredibly quickly and directly.
The team hopes to eventually develop a sensor system that is piezoelectric and runs off the water moving past the «feelers.»
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).
Xiaomi tried «cantilever piezoelectric ceramic acoustic technology» to address the earpiece speaker, Samsung finally relented and moved its trademark fingerprint scanner to the back of the phone, and we've now seen a pop - up selfie camera in a bezel-less concept from Vivo that has the added benefit of an under - glass fingerprint sensor.
On the other hand, the Mi MIX featured some innovative hardware like the three - sided bezel-less display, ultrasonic proximity sensor, and piezoelectric ceramic acoustic technology speaker.
While the cantilever piezoelectric ceramic acoustic technology replaces the regular earpiece, the IR proximity sensor is replaced with the ultrasonic proximity sensor.
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.
Samsung has already filed a patent for an on - screen fingerprint sensor, and they will include this on the Samsung Galaxy Z. Also, it will also be having a piezoelectric earpiece that will help to take calls even with the Full sized display.
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.
Instead, the company has opted for the ultrasonic proximity sensor and piezoelectric ceramic acoustic technology that transmits the sound through the device frame.
The proximity sensor has been replaced by ultrasound, The Verge reports, and the front speaker was swapped for a piezoelectric speaker that uses the metal frame to generate sound.
Ultrasound replaces the proximity sensor in the Mi Mix, and the front speaker is traded off for a piezoelectric speaker that taps into a metal frame to generate sound.