A fingerprint scanning sensor designed to fit under the touch screens of mobile phones and tablets announced Qualcomm.
As the company claims, this scanner can even work with wet fingers or into the water and can be used to measure heartbeat.
As BBC reports, this development paving the way for finer / elegant designs in mobile devices.
The fingerprint scanners are used to unlock devices without requiring a password, validating payments, identifying, and more. Until now, they were placed under the screen or on the back of the device.
Qualcomm unveiled this innovation at “Mobile World Congress Shanghai”. The sensor operates by emitting ultrasonic sound waves that are reflected and returned to it at different power levels, depending on the point of the fingers where they hit.
As the company says, these sensors are expected to begin shipping to manufacturers this month, and the availability of devices equipped with these on the market is expected to begin in the first half of 2018.
According to “Engadget”, the demonstration device was running, although it was slower to scan than existing sensors found on portable devices. Also, sensors (at least for the time being) can only work with OLED screens and not the cheapest LEDs.
Rumors have been released that similar technology for the “Galaxy S8”, Samsung was also working on, but the device was finally released without it.
Also, as the BBC notes, Apple has been involved in legal dispute with Qualcomm, so it is unlikely that it will be the customer of the latter with respect to this technology; while at the same time it also seems to be conducting research on similar sensors.
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