Cathode supporting structure for color cathode-ray tube

Details Cathode supporting structure for color cathode-ray tube Cathode supporting structure for color cathode-ray tube

1990-09-06

1992-03-24

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313270, 313338, 313414, 313446, H01J 2950

Patent

active

050991701

ABSTRACT:
Three pipes for supporting three cathodes of an electron gun for an in-line type color cathode-ray tube parallel with one another in one and the same plane are arranged in one and the same plane, peripheral portions of the pipes are surrounded by a laterally extending cylindrical outer supporting frame extended in an arranging direction of the pipes through a fixing agent formed of crystallized hard glass powder with low melting point to fix the pipes, and a trapizoidal notch is provided upwardly of a lower side of the cylindrical outer supporting frame and along axes of the pipes to thereby prevent the pipes from being deformed.

REFERENCES:
patent: 4825122 (1989-04-01), Kakesu et al.

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