This scanner used Qualcomm's new
ultrasonic technology which sends a pulse through the finger, some of which gets reflected while some gets absorbed.
Whisper - quiet: ☆ This humidifier is adopted
ultrasonic technology which does not generate noise when working, sleeping, working o
This humidifier features
ultrasonic technology which uses sound waves to break up the water molecules to create the mist.
Not exact matches
It's
ultrasonic,
which means you won't hear a peep from this quiet - as - can be marvel of modern
technology.
The
technology uses a miniature optical fibre encased within a customised clinical needle to deliver a brief pulse of light
which generates
ultrasonic pulses.
Most recently, Qualcomm announced its next generation of
ultrasonic fingerprint scanners and smartphone manufacturer Vivo demoed the
technology in a working prototype handset,
which you can see in the GIF above.
Like Qualcomm's, the Vivo Under Display uses
ultrasonic technology,
which uses sound waves to capture 3D images of fingerprints.
At present, vivo's under - screen fingerprint - sensing
technology,
which is based on Qualcomm next - generation
ultrasonic fingerprint resolution scheme - Qualcomm fingerprint sensors, has made its debut on the MWCS.
There are still three wireless charging standards fighting for primacy, Apple has only touched it toes into the water with conducive charging on the Apple Watch, and many deep - pocked
technology investors already starting to shift from placing their bets in the current wireless charging standard players to new possibilities like uBeam,
which can send power to phones using
ultrasonic sound — meaning your device could move about a room while charging, not having to sit idle on a pad.
Patent No. 9,747,488,
which is titled «Active sensing element for acoustic imaging systems,» details how an advanced
technology can gather biometric data, specifically fingerprints, using
ultrasonic transmission and detection.
Xiaomi says the sensor is based on Qualcomm's
ultrasonic technology,
which, it's claimed, makes it easy to scan your fingers even when they're dirty or wet.
Google's Audio QR
technology is similar to Chirp,
which also sends data encoded in
ultrasonic audio.
The latest fingerprint scanning
technology to enter the smartphone space is an
ultrasonic sensor,
which was first announced to be inside the Le Max Pro smartphone.