Control your iPod through Clenched Teeth

August 20, 2007

I wonder how many might inadvertently turn off a Hangar Dogs podcast this way …
clipped from www.physorg.com

Japanese train commuters who don’t want to reach conspicuously into their bags or pockets to start their iPods will soon be able to do it more subtly — by simply clenching their teeth.

Japanese researchers have developed head gear that uses infrared sensors and a microcomputer to let people operate music players by clenching their teeth.

The computer receives a command when the user clenches his or her teeth for about one second — which differentiates the action from other activities such as chewing gum and talking.
“You are able to operate the devices without using your hands,” said Fumio Miyazaki, an engineering science professor who heads the laboratory working on the project.
The system could also allow users to flip through pages of a PowerPoint demonstration, allowing the presenter to gesture freely by clenching teeth instead of pressing buttons.
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