Electron discharge device

Details Electron discharge device Electron discharge device

1951-02-02

1979-05-01

Blum, Theodore

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For filament

H01J 194, H01J 1948, H01K 118

Patent

active

041526210

ABSTRACT:
1. An electron-discharge device comprising: an evacuated envelope; a cold electrode supported within said envelope; a thermionic filamentary cathode; and means including at least one spring member affixed to said cathode and supported from said envelope for normally supporting said cathode in tension in a position within said envelope spaced from said cold electrode and adapted to relax said tension in response to rapid acceleration of said envelope in a predetermined direction perpendicular to said filamentary cathode, the space between said normal position of said cathode and the inner wall of said envelope being substantially unobstructed in a direction opposite to said predetermined direction whereby said cathode is supported by said wall throughout substantially its entire length when subjected to said acceleration.

REFERENCES:
patent: 1028118 (1912-06-01), Knowles
patent: 2439401 (1948-04-01), Smith
patent: 2504504 (1950-04-01), Despois

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