Fresnel lens projection system with high gain screen

Details Fresnel lens projection system with high gain screen Fresnel lens projection system with high gain screen

1982-02-18

1984-07-03

Corbin, John K.

350117, G03B 2156, G02B 308

Patent

active

044575947

ABSTRACT:
A projection lens system of the type used in connection with cathode ray tubes, and more specifically a cathode ray tube projection system having an internal lens folding means, useful in projecting an image or series of images on a screen.

REFERENCES:
patent: 3537771 (1970-11-01), Trufanoff
patent: 4074322 (1978-02-01), Cammilleri

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