Speakerless phones – how do they work?

By | May 18, 2012
Anyone have experience with this new generation of speakerless Japanese smartphones? I'm curious how this would work: earphones transmit sound directly into the ear canal, which contains vibration sensors that pick up signals and send them to the brain. A touchscreen transmitting vibrations into ear tissue, on the other hand, has to deal with varying ear folds that differ from person to person, and then being able to stimulate the right vibration sensors at the right depth in order to trigger sound sensations.

Reshared post from +Marta Rauch

This speakerless smartphone transmits sound through your fingers on the touchscreen.

The sound vibrations bypass your ear canal and go directly through connective tissue to your inner ear.

Could be very useful for making phone calls in a crowded room or noisy place.

via +TIME.

‘Speakerless’ Smartphone Transmits Sound Through Connective Tissue | Techland | TIME.com
Pushing your phone’s speaker hard against your ear is only so effective, which is why Kyocera has come up with an entirely new way to take calls — by transmitting sound through your body’s own tissue….

2 thoughts on “Speakerless phones – how do they work?

  1. Chris Harrington

    This apparently went on sale three days ago. I get the vague feeling that the article gives a poor description of the technology. The press release only says that Kyocera used some proprietary ceramic technology to cause the entire screen to vibrate.
    http://www.kyocera.co.jp/news/2012/0503_pohu.html
    The product page says you still have to actually hold it against your ear, so my guess is that the connective tissue transmission is only part of the effect, and air displacement directly vibrating your ear drum is also involved.
    http://www.kyocera.co.jp/prdct/telecom/consumer/urbanoprogresso/function1/#smartSonicReceiver

    Reply

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