Color misalignment correction device for color picture tube

Details Color misalignment correction device for color picture tube Color misalignment correction device for color picture tube

1977-06-03

1979-03-20

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335210, H01F 100

Patent

active

041456777

ABSTRACT:
A color misalignment correction device for use in a color picture tube, in which at least two magnets are disposed rotatably and adjustably on the outer peripheral surface of the cathode-ray bulb so as to correct an arc-shaped convergence error appearing in a horizontal direction of the phosphor screen due to a mounting error of the electron guns in the color picture tube or due to a mounting error of the deflection coil assembly on the color picture tube.

REFERENCES:
patent: 3899710 (1975-08-01), Machida et al.
patent: 3906418 (1975-09-01), Doshi et al.

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