At trade shows like Mobile World Congress, it’s natural that attention is lavished on the newly unveiled flagship devices soon to hit the market. But, snoop around the booths long enough, and you’ll also find the tech that’s ready to go, but just not yet available to the public. So it is — hopefully — with Elliptic Labs, creators of some of the smoothest smartphone gesture controls I’ve ever seen.
Elliptic Labs’ tech is based on ultrasound, which allows the company to monitor movement in a 360-degree dome surrounding your smartphone. It works like sonar — sending out inaudible frequencies from your phone’s speaker, and listening for their return with the microphone. The company’s algorithms time how long each wave takes to return, and...
from
http://www.theverge.com/circuitbreaker/2017/2/28/14760884/ultrasound-gesture-control-elliptic-labs-mwc-2017
from
http://ifeeltechinc.blogspot.com/2017/02/ultrasound-can-make-gesture-controls-on.html
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