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Disney, CMU add ultrasonic knobs to smartphones - Computerworld New Zealand

April 20, 2015 at 07:11PM:

Computerworld New Zealand

Disney, CMU add ultrasonic knobs to smartphones
Computerworld New Zealand
Acoustruments, developed by Disney and Carnegie Mellon University (CMU), are plastic add-ons that use ultrasound signals emitted from the speaker of a phone and picked up by its microphone. This example at CHI 2015 in Seoul controls an alarm clock ...

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