Electron discharge tube having a movable cathode tape
United States Patent 3290540

Inventors:
Eros, Atti
Publication Date:
12/06/1966
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Assignee:
WESTINGHOUSE ELECTRIC CORP
Primary Class:
313/146
Other Classes:
313/459, 313/337, 313/236, 313/149, 313/346R, 313/270, 313/345, 315/65, 313/151, 313/446
International Classes:
H01J29/04; H01J29/48
US Patent References:
2405789Multifilament lamp
2825838Electron sources
3197665Electron gun with positioner for emissive surface of cathode
2175582Cathode ray oscillograph
3009762Method of making polyurethane filamentary material
3109953Cathode ray tube having a plurality of interchangeable cathodes
Foreign References:
FR1217166A
DE886636C
GB479270A
GB663730A
GB751818A