Heliodisplay



The Heliodisplay is an interactive planar display. Though the image it projects appears much like a hologram, its inventors claim that it doesn't use holographic technology, though it does use lasers to project its image. It does not require any screen or substrate other than air to project its image, but it does eject air curtain for the image to be projected, and the air is somehow modified. According to the inventor it moves through a dozen metal plates and then comes out again. (The exact details of its workings are unknown, pending patent applications.)

It works as a kind of "floating" touchscreen, making it possible to manipulated images projected in air with your fingers, and can be connected to a computer using a standard VGA connection. It can also connect with a TV or DVD by a standard RGB video cable.

The Heliodisplay is an invention by Chad Dyner, who built it as a 5-inch prototype in his apartment before founding IO2 technologies to further the product.

Note: it appears the "screen" element is created by a thin layer of water vapor. "M2i Heliodisplay unit is essentially a large tank of water that spews a constant stream of water vapour into the air." - Betaminds. A simple projector can be used to project the visual onto the "water vapor screen." Lasers are used for this purpose in these commercial versions, however, to hide the way the system works, and perhaps for better quality.

The original M1 (mark 1) units produced by IO2 as of September 2005 are only advanced prototypes and proof-of-concept, but a few have been sold through eBay. The retail price is USD$600.

The new second-generation M2 Heliodisplay supports a 30" image with 16.7 million colours and a 2000:1 contrast ratio. The interactive M2i version includes virtual touchscreen capability. Pricing is currently unavailable.Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts.
Virtual Magic is a human knowledge database blog. Text Based On Information From Wikipedia, Under The GNU Free Documentation License. Copyright (c) 2007 Virtual Magic. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

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