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Patents: Screen of Mist

By

BARRY FOX

THERE may not be many beautifully simple ideas left to invent, but the

Taisei Corporation of Tokyo has hit on one of them. It has filed a British

patent application (2 220 278) on a technique for producing at the flick

of a switch a very large projection screen - made of water.

The screen is a mist of water, produced by a row of very fine nozzles

pumping water up into the air at high pressure.

When a cinema or video projector is focused on the mist, it reflects

enough light to create a visible image, hanging mysteriously in the air.

The inventors suggest that the ideal place to use the system is on a barge

floating on a lake, a river or the sea and drawing water up from below.

Theatres could exploit the invention to produce a temporary screen on

the stage, removing it at the flick of a switch.

The inventors claim that screens several tens of metres high can be

produced by powerful pumps.

Patents: Screen of Mist 1

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