Very Smart Phone Reimagines ‘Talk to the Hand’ - ABC News

TOKYO – It’s not exactly the next big smartphone, but if you spend one too many hours searching for that misplaced iPhone, this could be even better.
Researchers at the University of Tokyo are developing a system that puts the mobile phone on the palm of your hand – literally. Using a special camera that combines high-speed vision and two rotational mirrors, Masatoshi Ishikawa and his team at the Ishikawa Oku Laboratory here say they’ve found a way to project a device’s display screen or keyboard onto the palm, or any other surface, so that you can operate it remotely in your home or office.
Ishikawa says the system can detect the movement of a three-dimensional object every two milliseconds. Put simply, the high-speed vision allows the program to track moving objects, so users would be free to walk with the phone image in palm, without the display ever shifting.
That’s not all.
The computer system developed by Ishikawa beams ultrasonic wave emitters, so the user actually feels the keyboard pressing against their skin, without anything in their hand. The sensation is the equivalent to a 3-gram or 0.1- ounce object, he says.
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