Soon, your hand can be your smartphone

Using a special camera that combines high-speed vision and two rotational mirrors, developers have found a way to project a device's display or keyboard onto the palm

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Researchers are developing a revolutionary new technology 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 colleagues at the University of Tokyo have found a way to project a device's display or keyboard onto the palm, or any other surface, so that one can operate it remotely at home or office.

The system can detect the movement of a three-dimensional object every two milliseconds, Ishikawa said.

The high-speed vision allows the programme to track moving objects, so users would be free to walk with the phone image in palm, without the display ever shifting, ABC News reported.

The computer system beams ultrasonic wave emitters, so the user actually feels the keyboard pressing against their skin, without anything in their hand. The sensation is as small as a 3-gramme object.

"You won't need a keyboard, you won't need to carry a smartphone, or a computer. You can make a call without anything," Ishikawa said.

Ishikawa expects the technology to turn into a reality in a year or two.

The palm phone is the latest in a string of systems Ishikawa has developed, using high-speed vision technology. Last year, he unveiled a robotic hand designed to win the game rock-paper-scissors 100 per cent of the time.