I'd heard that tiny projectors will soon be built into mobile phones (3M is working on one), but not that holographic displays will soon be possible as well.
Holographic mobile handsets capable of projecting, capturing, and sending 3D images have been developed by Indian tech giant Infosys... By 2010, the devices will routinely beam 3D films, games, and virtual goods into our laps, according Infosys, which has patented the handset.
The portable machines will capture and send 3D snapshots of the surrounding world, helping accident investigators, teachers, and doctors work remotely by instantly relaying realistic depictions of car damage, injuries, medical scans, or educational aids... The powerful onboard processor on the Infosys machine would build a series of 2D shots taken, for example, from a digital camera, into 3D holograms using algorithms called 'Fourier' transformations to calculate the extra third dimension.
The patent, granted by the U.S. Patent and Trademark Office, says this allows complex 3D holographic images to be squeezed through the narrow pipes of existing communications networks by sending only the unprocessed data to be translated into the 3D hologram at the other end.
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