Cathode ray tube with electrostatic multipole focusing lens

Details Cathode ray tube with electrostatic multipole focusing lens Cathode ray tube with electrostatic multipole focusing lens

1975-04-10

1976-09-07

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313457, H01J 2902, H01J 2958, H01J 2962

Patent

active

039796310

ABSTRACT:
A cathode ray tube wherein conductive supporting members of a focusing electrode, in combination with the conductive coating around the envelope, constitute an electrostatic multipole focusing lens.

REFERENCES:
patent: 2058293 (1936-10-01), Broadway et al.
patent: 2064981 (1936-12-01), Knoll
patent: 2227087 (1940-12-01), Hinsch
patent: 2509254 (1950-05-01), Selgin
patent: 2740063 (1956-03-01), Groendijk et al.
patent: 3354340 (1967-11-01), Almer et al.
patent: 3355617 (1967-11-01), Schwartz et al.

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