Color-television picture tube with internal permanent magnets fo

Details Color-television picture tube with internal permanent magnets fo Color-television picture tube with internal permanent magnets fo

1978-05-15

1980-02-19

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313428, 335210, 29 2517, H01J 2976, H01J 3120

Patent

active

041896599

ABSTRACT:
An in-line color-television picture tube wherein purity adjustment, vertical pincushion correction, and static convergence correction are performed by magnetic fields produced by permanent magnets acting on the beams.

REFERENCES:
patent: 2907915 (1959-10-01), Gleichauf
patent: 3217200 (1965-11-01), Gethmann
patent: 3363127 (1968-01-01), Rennick
patent: 3866080 (1975-02-01), Barkow

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