I've seen a few other people demonstrating this. It is an amazing idea and concept like the magic eye images.
OK...I have to say it...
Imagine what this could do for the pr0n industry...
"Damn, can't quite see...oh wait...<moves head>...OH YEAH!"
Hickman
A patent application does not mean that they really have been working/researching on that technology. It could just be science-fiction with a patent paper.