Frankly, I have no idea how it works; here's the quote:
Cheoptics360 uses four 3D projectors and the images projected are re-assembled and re-generated in a transparent prism-like pyramid chamber that displays these free-floating videos in mid-air.
Now you know as much as you did before. You might as well read a science fiction book. For example, in his cool 1928 novel Crashing Suns, Edmond Hamilton conceives of the telestereo:
Abruptly I was aroused from my musings by the sharp ringing of a bell at my elbow. "The telestereo," I said to Hal Kur. "Take the controls." As he did so I stepped over to the telestereo's glass disk, inset in the room's floor, and touched a switch beside it. Instantly there appeared standing upon the disk, the image of a man in the blue and white robe of the Supreme Council, a lifesize and moving and stereoscopically perfect image, flashed across the void of space to my apparatus by means of etheric vibrations...
(Read more about Edmund Hamilton's telestereo)
I don't have any transmissions from the Supreme Council, but I do have this video (2-D only, sorry) in which the inventor explains things.
Technovelgy (that's tech-novel-gee!)
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Timeline, or see what's New.
SpaceX Intros Extravehicular Activity Suit
'Provision had been made to meet the terrific cold which we knew would be encountered the moment we had passed beyond the atmosphere.'
Gaia - Why Stop With Just The Earth?
'But the stars are only atoms in larger space, and in that larger space the star-atoms could combine to form living matter, thinking matter, couldn't they?'
Microsoft VASA-1 Creates Personal Video From A Photo
'...to build up a video picture would require, say, ten million decisions every second. Mike, you're so fast I can't even think about it. But you aren't that fast.'