Electron gun assembly for cathode ray tube with a voltage stabil

Details Electron gun assembly for cathode ray tube with a voltage stabil Electron gun assembly for cathode ray tube with a voltage stabil

1997-05-28

1999-07-13

Pascal, Robert

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 85, 315382, 313414, H01J 2996

Patent

active

059231238

ABSTRACT:
The electron gun assembly for cathode ray tube, has the structure in which the first, second and third grids are arranged in the traveling direction of an electron beam emitted from cathodes, and so is the fourth grid to which a anode voltage is applied, a suppressing ring is provided to be adjacent to the second and third grids, a dynamic focus voltage which is varied in synchronism with the deflection of the electron beam is applied to the first and third grids, and the first and second grids are connected to each other by means of the resistor provided adjacent thereto.

REFERENCES:
patent: 4338543 (1982-07-01), Handel
patent: 4366415 (1982-12-01), Takenaka et al.
patent: 5519290 (1996-05-01), Sugawara et al.
Ichimura Kazuyoshi, "Cathode Ray Tube", European Patent Office Patent Abstracts of Japan, Publ. No. 57119437, Jul. 24, 1982.
Kimura Masamichi, "Cathode Ray Tube Manufacturing Method", European Patent Office Patent Abstracts of Japan, Publ. No. 58198819, Nov. 18, 1983.

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