Electron discharge device
United States Patent 2894167
US Patent References:
Space current device
- - 1839899

Production of alkali metal tubes
- - 1861637

Light-sensitive tube
- - 1942501

Electronic tube
- - 1965849

Light frequency converter
- - 2120916


Inventors:
Day, Cyril L.
Publication Date:
07/07/1959
View Patent Images:
Assignee:
ITT
Primary Class:
Other Classes:
313/346R, 313/235, 445/33, 313/541
International Classes:
H01J21/02; H01J40/16; H01J21/00; H01J40/00
US Patent References:
2290748Vacuum tube and method of manufacture thereof
2601024Electrode structure for electron discharge devices
Foreign References:
GB115700A