Three-dimensional picture projecting device

Details Three-dimensional picture projecting device Three-dimensional picture projecting device

1996-07-11

1997-12-02

Britton, Howard W.

Television

Stereoscopic

Stereoscopic display device

353 8, H04N 1304

Patent

active

056941641

ABSTRACT:
A three-dimensional picture projecting device comprises a projector for projecting a three-dimensional picture, a screen for capturing the projected three dimensional picture, and a pair of polarizing glasses having left and right polarizing eyepieces with different polarization directions. The projector includes a light source, a focusing lens for focusing the light emitted from the light source, picture forming means for receiving the light from the light source and forming left-eye and right-eye pictures, polarization changing means for making polarization directions of the left-eye and right-eye pictures different from each other, and a projection lens for magnifying the left-eye and right-eye pictures on the screen. Therefore, a three-dimensional picture can be provided with a single projector.

REFERENCES:
patent: 4504856 (1985-03-01), Jackman
patent: 4772943 (1988-09-01), Nakagawa
patent: 4792850 (1988-12-01), Lipton
patent: 4877307 (1989-10-01), Kalmanash

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