Liquid cooling type projection cathode ray tube

Details Liquid cooling type projection cathode ray tube Liquid cooling type projection cathode ray tube

1993-05-19

1995-11-28

O'Shea, Sandra L.

Electric lamp and discharge devices

With temperature modifier

Using liquids or fluid flow directing means

313477R, 313482, 313 35, H01J 2986

Patent

active

054711118

ABSTRACT:
A projection cathode ray tube has a liquid coolant coupling apparatus whose structure is improved. The projection cathode ray tube includes a funnel having an electron gun in its neck end and a face plate provided with a screen at the other end, a rectangular radiating plate having a frontal glass corresponding to the face plate having the screen inside thereon, and being firmly attached to the face plate, a liquid coolant layer having a predetermined thickness between the face plate and the frontal glass of the radiating plate, a clamping portion coupled by means of a bolt at each corner of the rectangular radiating plate, and a setting clasp having a contacting surface of a predetermined size in contact with the side of the funnel and a spring both provided over each bolt, whereby the setting clasp settles the funnel while pressing.

REFERENCES:
patent: 2167431 (1939-07-01), Bowie
patent: 2189261 (1940-02-01), Bowie
patent: 4731557 (1988-03-01), Asano et al.
patent: 4780640 (1988-11-01), Hasegawa

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