Bright picture projection including three dimensional projection

Details Bright picture projection including three dimensional projection Bright picture projection including three dimensional projection

1979-10-09

1982-03-30

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358238, 358 60, 353 77, H04N 954

Patent

active

043227430

ABSTRACT:
A method is disclosed of projecting images on a screen which are so bright as to be easily visible in a lighted room, including projecting a pair of stereoscope pictures which can be seen in three dimensions without the observer wearing special spectacles or using other personal optical aids. The combination includes a large projection optic combined with a special screen which acts as a screen but which also has focus power and casts an image of the projection optic out in space in a limited viewing area for the observer's use in viewing a single two dimensional picture. In a modified form of the invention the large projection optic is divided into an array of segments where adjacent pairs of segments separately project each of a pair of stereoscopic pictures onto the screen. The screen as a focusing device is focused not on the picture but on the projection optic segments and casts an image of each segment out into space as adjacent limited viewing areas for a pair of observer's eyes to see the pair of stereoscopic pictures separately so he can see them as a three dimensional picture without wearing special glasses.

REFERENCES:
patent: 2783406 (1957-02-01), Vanderhooft
patent: 3046330 (1962-07-01), Ross

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