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To: Cogito Ergo Sum who wrote (136353)6/27/2012 6:02:57 PM
From: yofal  Read Replies (2) | Respond to of 213176
 
holographic
I think one might call that some form of "projection", rather than holography.
Celluon has been marketing a device that does the same thing, (now for your iPad) since the mid 2000s…




To: Cogito Ergo Sum who wrote (136353)6/27/2012 6:35:22 PM
From: Cogito  Read Replies (1) | Respond to of 213176
 
Projected and/or holographic keyboards would work in much the same way. A laser scans the keyboard area and detects your finger positions. From a hardware standpoint, not tremendously challenging. The software would be more challenging, since the system would have to recognize a key press motion, and differentiate between that and other types of movements your fingers naturally make when typing.


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