Protection circuit for electron gun

Details Protection circuit for electron gun Protection circuit for electron gun

1974-02-26

1976-02-10

Wilbur, Maynard R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315106, 315107, 317 9R, 317 51, H01J 2970

Patent

active

039380017

ABSTRACT:
An electron gun comprising a changeover chamber and changeover circuit between the gun chamber and the insulated cable which connects the power supply circuits to the electrodes which enables adjustment of electrode potentials to accomplish electrode treatment without excessive gun currents.

REFERENCES:
patent: 1698625 (1929-01-01), Bubilier
patent: 2413760 (1947-01-01), Graf
patent: 2509277 (1950-05-01), Ransburg et al.
patent: 2828446 (1958-03-01), Nissel et al.
patent: 3017564 (1962-01-01), Barney
patent: 3407330 (1968-10-01), Wilmarth
patent: 3496352 (1970-02-01), Jugle
patent: 3588508 (1971-06-01), Halinski
patent: 3668465 (1972-06-01), Evans et al.
patent: 3697800 (1972-10-01), McArdle
A. A. Goldberg, "Picture Tube Emission Tester & Rejuvenator," Radio & Television News, Sept. 1952, pp. 39 & 98.

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