FR1028547A - électrode émettrice d'électrons - Google Patents
électrode émettrice d'électronsInfo
- Publication number
- FR1028547A FR1028547A FR1028547DA FR1028547A FR 1028547 A FR1028547 A FR 1028547A FR 1028547D A FR1028547D A FR 1028547DA FR 1028547 A FR1028547 A FR 1028547A
- Authority
- FR
- France
- Prior art keywords
- electron emitting
- emitting electrode
- electrode
- electron
- emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H01J1/14—Solid thermionic cathodes characterised by the material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH671529X | 1949-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1028547A true FR1028547A (fr) | 1953-05-26 |
Family
ID=4527704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1028547D Expired FR1028547A (fr) | 1949-11-29 | 1950-11-29 | électrode émettrice d'électrons |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH278754A (fr) |
| DE (1) | DE833090C (fr) |
| FR (1) | FR1028547A (fr) |
| GB (1) | GB671529A (fr) |
-
1949
- 1949-11-29 CH CH278754D patent/CH278754A/de unknown
-
1950
- 1950-11-17 DE DEP4587A patent/DE833090C/de not_active Expired
- 1950-11-29 GB GB29190/50A patent/GB671529A/en not_active Expired
- 1950-11-29 FR FR1028547D patent/FR1028547A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB671529A (en) | 1952-05-07 |
| CH278754A (de) | 1951-10-31 |
| DE833090C (de) | 1952-03-03 |
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