Color cathode ray tube having improved internal magnetic shield

Details Color cathode ray tube having improved internal magnetic shield Color cathode ray tube having improved internal magnetic shield

1987-06-04

1988-07-19

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

313402, 313479, H01J 2906

Patent

active

047581930

ABSTRACT:
Internal magnetic shield for color television picture tube has a pair of slot-shaped openings, facing each other above and below the Z axis, and an oblong-shaped aperture surrounding the Z axis, having a length-to-width ratio of about 1.7 to 2.1.

REFERENCES:
patent: 2825129 (1958-03-01), Hempel
patent: 4622490 (1986-11-01), Benway

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