Plural gun cathode ray tube having parallel plates adjacent grid

Details Plural gun cathode ray tube having parallel plates adjacent grid Plural gun cathode ray tube having parallel plates adjacent grid

1975-03-03

1978-04-25

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313458, H01J 2950, H01J 2956

Patent

active

040865134

ABSTRACT:
In the tube gun, at least one of the two electrode grids nearest the screen has extensions on opposite sides of its apertures to distort an electrostatic field formed by the grid to at least partially compensate for distortion of an electron beam in the magnetic deflection field.

REFERENCES:
patent: 2609516 (1952-09-01), Flory
patent: 3579008 (1971-05-01), Miyaoka
patent: 3771002 (1973-11-01), Standaart
patent: 3772554 (1973-11-01), Hughes
patent: 3852608 (1974-12-01), Johannes et al.
patent: 3866080 (1975-02-01), Barkow

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