Projector

Details Projector Projector

1989-09-14

1991-07-16

Cuchlinski, Jr., William A.

Optics: image projectors

Distortion compensation

353 70, 353 67, G03B 2114

Patent

active

050320220

ABSTRACT:
A projecting apparatus having a first projecting system for projecting an object to be projected to form an intermediate image, and a second projecting system for projecting the intermediate image formed by the first projecting system onto a screen. The first projecting system is adapted to distort the image of the object, and the second projecting system is adapted to correct the distorted image to project an enlarged image analogous to the object onto the screen.

REFERENCES:
patent: 3087382 (1963-04-01), De Nygorden
patent: 3089599 (1963-05-01), Kuboshima
patent: 3253505 (1966-05-01), Miller
patent: 3963337 (1976-06-01), Lundberg
patent: 4089599 (1978-05-01), Kuboshima
patent: 4400080 (1983-08-01), Ogawa et al.
patent: 4406530 (1983-10-01), Hasegawa et al.
patent: 4422153 (1983-12-01), Arai et al.
patent: 4436393 (1984-03-01), Vanderwerf
patent: 4455067 (1984-06-01), Hoppmann et al.
patent: 4722593 (1988-02-01), Shimazaki
patent: 4842374 (1989-06-01), Ledebuhr
Copy of OHP 007 EXD produced by Sumitomo 3M Co., Ltd.

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