Projection television receiver with liquid-cooled lens

Details Projection television receiver with liquid-cooled lens Projection television receiver with liquid-cooled lens

1987-04-27

1988-10-25

DeMeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

Using liquids or fluid flow directing means

313477R, 313478, H01J 2989, H01J 724

Patent

active

047806400

ABSTRACT:
A projection television receiver comprises at least one cathode ray tube for receiving video signals and projecting images therefrom, the tube including a face; a lens mounted adjacent to the face for focusing the images projected by the tube; and a coolant disposed between the lens and the face for absorbing and dissipating heat from the tube, the coolant means including 1,3-butylene glycol.

REFERENCES:
patent: 3809152 (1974-05-01), Boehmer
patent: 4529905 (1985-07-01), Ohkoshi et al.
patent: 4538089 (1985-08-01), Fitzpatrick
patent: 4609945 (1986-09-01), Oguino
patent: 4612582 (1986-09-01), Tucker
patent: 4665336 (1987-05-01), Howden
"Industrial Solvents Handbook" (Second Edition), by Noyes Data Corp., Park Ridge, N.J., U.S.A., 1970, pp. 183, 184, 185, 201, 203, 204, 232, 233.

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