Electron-beam forming system for multi-beam cathode-ray tubes

Details Electron-beam forming system for multi-beam cathode-ray tubes Electron-beam forming system for multi-beam cathode-ray tubes

1983-10-17

1985-01-08

Demeo, Palmer

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313417, 313457, H01J 2950, H01J 2982

Patent

active

044928947

ABSTRACT:
The electrodes of an electron-gun system of a color-picture tube are heated less as their distance from the cathode of the system increases. The electrode materials are so chosen with respect to their coefficients of expansion that no mechanical stresses are caused in the system structure despite the different temperatures.

REFERENCES:
patent: 3974416 (1976-08-01), Van der Goot et al.
patent: 4119884 (1978-10-01), Blumenberg et al.
patent: 4138624 (1979-02-01), Srowig

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