Electron tube with control electrode remote from anode

Details Electron tube with control electrode remote from anode Electron tube with control electrode remote from anode

1989-03-13

1989-10-31

Wieder, Kenneth

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

313294, 313308, H01J 146, H01J 1712, H01J 1938

Patent

active

048779962

ABSTRACT:
An electron tube, for example, a transmitter tube of the triode type, comprising in an evacuated envelope a mesh or cage cathode (3) and an anode (1). By providing a control electrode (4) near the cathode (3) on the side thereof remote from the anode (1), the output power of the tube can be controlled by means of a potential difference between the control electrode (4) and the cathode (3).

REFERENCES:
patent: 3612937 (1971-10-01), Smirnov et al.
patent: 3873869 (1975-03-01), Coppola
patent: 3943398 (1976-03-01), Gerlach
patent: 4295077 (1981-10-01), Carter et al.

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