Liquid coupled color-television image projector

Details Liquid coupled color-television image projector Liquid coupled color-television image projector

1977-12-07

1979-04-24

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 64, H04N 916

Patent

active

041515544

ABSTRACT:
A color television image projector in which three television projection cathode ray tubes, one for each television primary color, are arranged in a T-shaped array with the face plates of the cathode ray tubes placed in a chamber, and crossed dichroic mirrors are located in the chamber for presenting a single image, composed of the primary color images in superimposed registration, at a window in the chamber. The chamber is filled with a liquid having an index of refraction approximately the same as that of the face plates, the mirror substrates, and the window, and cooling means is associated with the chamber for removing heat from the liquid in the chamber. A projection lens system is associated with the window for projecting the single image presented at the window.

REFERENCES:
patent: 1277040 (1918-08-01), Brewster
patent: 2342778 (1944-02-01), Wolff
patent: 2540721 (1951-02-01), Fyler
patent: 2549585 (1951-04-01), Epstein
patent: 2642487 (1953-06-01), Schroeder
patent: 2672502 (1954-03-01), Albright
patent: 2839599 (1958-06-01), Epstein
patent: 2973683 (1961-03-01), Rowe et al.
patent: 4027328 (1977-05-01), Lessman

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