CH327481A - Directly heated cylindrical cathode - Google Patents
Directly heated cylindrical cathodeInfo
- Publication number
- CH327481A CH327481A CH327481DA CH327481A CH 327481 A CH327481 A CH 327481A CH 327481D A CH327481D A CH 327481DA CH 327481 A CH327481 A CH 327481A
- Authority
- CH
- Switzerland
- Prior art keywords
- directly heated
- cylindrical cathode
- heated cylindrical
- cathode
- directly
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/16—Cathodes heated directly by an electric current characterised by the shape
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1034276X | 1952-03-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH327481A true CH327481A (en) | 1958-01-31 |
Family
ID=9585003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH327481D CH327481A (en) | 1952-03-28 | 1953-03-28 | Directly heated cylindrical cathode |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH327481A (en) |
DE (1) | DE1034276B (en) |
FR (1) | FR1053139A (en) |
GB (1) | GB736542A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1455956A (en) * | 1965-07-20 | 1966-05-20 | Thomson Houston Comp Francaise | Direct heating cathode improvements |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2385973A (en) * | 1942-08-24 | 1945-10-02 | Eitel Mccullough Inc | Apparatus for making grids |
US2358200A (en) * | 1943-10-02 | 1944-09-12 | Gen Electric X Ray Corp | Grid assembly structure |
FR911302A (en) * | 1945-01-11 | 1946-07-04 | Radioelectriques S A Lab | Improvements to electronic tubes |
US2457626A (en) * | 1945-07-03 | 1948-12-28 | Gen Electric X Ray Corp | Grid construction |
NL86395C (en) * | 1950-05-17 | |||
DE863830C (en) * | 1950-05-17 | 1953-01-19 | Siemens Ag | Cathode for electron tubes |
DE857100C (en) * | 1950-06-30 | 1952-11-27 | Siemens Ag | Fastening of heating threads, especially in the case of high-performance discharge tubes |
DE839235C (en) * | 1950-08-20 | 1952-05-19 | Siemens Ag | Electron tubes, in particular transmitter tubes |
-
1952
- 1952-03-28 FR FR1053139D patent/FR1053139A/en not_active Expired
-
1953
- 1953-03-26 GB GB8427/53A patent/GB736542A/en not_active Expired
- 1953-03-27 DE DEC7334A patent/DE1034276B/en active Pending
- 1953-03-28 CH CH327481D patent/CH327481A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR1053139A (en) | 1954-02-01 |
DE1034276B (en) | 1958-07-17 |
GB736542A (en) | 1955-09-07 |
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