Cathode-ray tubes electron-guns

Details Cathode-ray tubes electron-guns Cathode-ray tubes electron-guns

1973-09-20

1977-02-22

Rolinec, R. V.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

315 16, H01J 2950

Patent

active

040094103

ABSTRACT:
An electron-gun for cathode-ray tubes comprising, by comparison with prior art guns, at least one supplementary electrode (6) of the diaphragm type, arranged between the accelerator grid (3) and the anode (4) of such gun, and placed at a positive potential lower than that of said anode, forming with the entry of said anode a second condenser lens influencing the electron-beam (F) to produce a second cross-over (C.sub.2) and utilisable in particular for multicolor cathode-ray tubes.

REFERENCES:
patent: 2367130 (1945-01-01), Klemperer
patent: 2975315 (1961-03-01), Szegho
patent: 3008064 (1961-11-01), Niklas et al.
patent: 3090882 (1963-05-01), Benway
patent: 3798478 (1974-03-01), Say
patent: 3798478 (1974-03-01), Say

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