3D display uses magnetism to let you feel what you see
Posted: Thu Oct 21, 2010 5:29 pm
3D display uses magnetism to let you feel what you see
By Olivia Solon
"Japanese electronics company NTT DoCoMo has showcased a 3D mobile display, which has a force feedback mechanism within a magnetic stylus."
When the user holds the stylus pen near the display screen, virtual objects can interact with it. When they reach out from the screen, the users feels it through an upwards force on the pen.
In the demo shown by the company, a virtual chameleon “licks” the pen in someone’s hand, making it jump. Stereoscopic cameras at the top of the device track the pen’s position. The “kick” is provided by the inductive coil that lies behind the display -- when energy is pumped through it, it creates a magnetic field repels the stylus.
Most haptic technologies up until now have relied on vibrations as opposed to magnetic repulsion -- something most people are used to finding in their mobile devices or gaming controllers.
The supporting 3D technology uses virtual parallax -- showing different images depending on the angle at which you view the screen. The result is a stereoscopic 3D effect without the need for glasses.
At this stage the device is very much staying as a prototype and is unlikely to ever make it to market, but it is interesting to see the combination of two new technologies.
Here's a video of the technology being demonstrated at the Combined Exhibition of Advanced Technologies
By Olivia Solon
"Japanese electronics company NTT DoCoMo has showcased a 3D mobile display, which has a force feedback mechanism within a magnetic stylus."
When the user holds the stylus pen near the display screen, virtual objects can interact with it. When they reach out from the screen, the users feels it through an upwards force on the pen.
In the demo shown by the company, a virtual chameleon “licks” the pen in someone’s hand, making it jump. Stereoscopic cameras at the top of the device track the pen’s position. The “kick” is provided by the inductive coil that lies behind the display -- when energy is pumped through it, it creates a magnetic field repels the stylus.
Most haptic technologies up until now have relied on vibrations as opposed to magnetic repulsion -- something most people are used to finding in their mobile devices or gaming controllers.
The supporting 3D technology uses virtual parallax -- showing different images depending on the angle at which you view the screen. The result is a stereoscopic 3D effect without the need for glasses.
At this stage the device is very much staying as a prototype and is unlikely to ever make it to market, but it is interesting to see the combination of two new technologies.
Here's a video of the technology being demonstrated at the Combined Exhibition of Advanced Technologies
where you can stick a suite on and go a few rounds with mike tyson in a 3d tv box room 
the list is endless car games where you could feel the force on them turns!! 