Optical grade transfer coolant for projection television receive

Details Optical grade transfer coolant for projection television receive Optical grade transfer coolant for projection television receive

1990-12-20

1992-05-26

Yusko, Donald J.

Electric lamp and discharge devices

With temperature modifier

Using liquids or fluid flow directing means

313 44, 313 46, 313477R, H01J 724, H01J 726

Patent

active

051171627

ABSTRACT:
A method and apparatus for cooling a cathode ray tube in a projection television receiver including a lens assembly for focusing images formed by the cathode ray tube. A cooling chamber is arranged in front of the cathode ray tube and behind the lens assembly in thermal contact with the face of the cathode ray tube through which the images are projected. This cooling chamber is then filled with an optically clear substantially waterless liquid consisting of an isoparaffinic solvent which is distributed under the trademark ISOPAR V.

REFERENCES:
patent: 4725755 (1988-02-01), Hasegawa
patent: 4775817 (1988-10-01), Duwaer et al.
patent: 4780640 (1988-10-01), Hasegawa
Exxon Product Brochure Lubetext DG-1 P; pp. 1-7, 9-12; Sep. 21, 1984.

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