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High frequency apparatus
United States Patent 2937316
US Patent References:
Grid structure for electron discharge devices
- - 2459859
High-frequency electric discharge device
- - 2601025
Triode thermionic tube
- - 2803782
Inventors:
Moose, Louis F.
Publication Date:
05/17/1960
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Download PDF 2937316
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
315/43
Other Classes:
315/39, 313/348
International Classes:
H01J21/06
;
H01J21/36
;
H03F3/54
;
H01J21/00