FR643378A - Cathode incandescente - Google Patents
Cathode incandescenteInfo
- Publication number
- FR643378A FR643378A FR643378DA FR643378A FR 643378 A FR643378 A FR 643378A FR 643378D A FR643378D A FR 643378DA FR 643378 A FR643378 A FR 643378A
- Authority
- FR
- France
- Prior art keywords
- incandescent cathode
- incandescent
- cathode
- 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 |
---|---|---|---|
DE280236X | 1926-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR643378A true FR643378A (fr) | 1928-09-15 |
Family
ID=6029932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR643378D Expired FR643378A (fr) | 1926-11-06 | 1927-11-05 | Cathode incandescente |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR643378A (fr) |
GB (1) | GB280236A (fr) |
-
1927
- 1927-11-05 GB GB29662/27A patent/GB280236A/en not_active Expired
- 1927-11-05 FR FR643378D patent/FR643378A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB280236A (en) | 1928-06-21 |
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