Cathode support structure of an electron gun for a cathode ray t

Details Cathode support structure of an electron gun for a cathode ray t Cathode support structure of an electron gun for a cathode ray t

1992-02-11

1993-08-10

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313417, 313451, 313456, H01J 2902, H01J 2904

Patent

active

052352420

ABSTRACT:
The present invention relates to a cathode support structure of an electron gun for a cathode ray tube for improving the electron beam emission characteristics by way of ensuring the support operation of the cathode, whereby upgrading the white balance holding characteristics and preventing the degradation of carbonate. A cathode support structure of an electron gun for a cathode ray tube which is designed to support the cathode support member 2, 2' or 2" using the support strip 3, 3' or 3" between the bead glasses 1 where the support strip 3, 3' or 3" has semicircular curved surface 3a, 3a' or 3a" which encompassing the cylindrical cathode support meber 2, 2' or 2" for secure fixation and having a pair of integral reinforcement strips 4, 4' or 4".

REFERENCES:
patent: 2745979 (1956-05-01), Aupoix et al.
patent: 3603829 (1971-09-01), Tsuneta et al.
patent: 3974416 (1976-08-01), van der Groot et al.

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