Liquid cooled cathode ray tube apparatus for video projection sy

Details Liquid cooled cathode ray tube apparatus for video projection sy Liquid cooled cathode ray tube apparatus for video projection sy

1989-05-15

1991-01-01

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358231, 358245, H04N 565, H04N 774

Patent

active

049822896

ABSTRACT:
In a video projector for projecting video images on phosphor screens of cathode ray tubes to a screen, a refrigerant mixture of ethylene glycol, diethylene glycol and glycerine is filled in watertight spaces enclosed by the cathode ray tubes, radiators and projection lenses.

REFERENCES:
patent: 4405949 (1983-09-01), Hockenbrock
patent: 4609945 (1986-09-01), Oguino
patent: 4612582 (1986-09-01), Tucker
patent: 4631594 (1986-12-01), Imabayashi
patent: 4646143 (1987-02-01), Watanabe
patent: 4651217 (1987-03-01), Yamazaki
patent: 4717853 (1988-01-01), Ezawa
patent: 4777532 (1988-10-01), Hasegawa

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