FR637962A - Perfectionnements aux cathodes émissives d'électrons - Google Patents
Perfectionnements aux cathodes émissives d'électronsInfo
- Publication number
- FR637962A FR637962A FR637962DA FR637962A FR 637962 A FR637962 A FR 637962A FR 637962D A FR637962D A FR 637962DA FR 637962 A FR637962 A FR 637962A
- Authority
- FR
- France
- Prior art keywords
- electron
- emitting cathodes
- cathodes
- 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
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microwave Tubes (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR547289X | 1926-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR637962A true FR637962A (fr) | 1928-05-12 |
Family
ID=8934115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR637962D Expired FR637962A (fr) | 1926-11-26 | 1926-11-26 | Perfectionnements aux cathodes émissives d'électrons |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE547289C (fr) |
FR (1) | FR637962A (fr) |
GB (1) | GB281262A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE738936C (de) * | 1931-08-20 | 1944-04-19 | Aeg | Gluehkathode, insbesondere fuer Roentgenroehren, Braunsche Roehren |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE760248C (de) * | 1933-11-08 | 1953-10-19 | Georg Seibt Nachf Dr | Indirekt geheizte Kathode fuer Kathodenstrahlroehren |
DE883782C (de) * | 1938-06-24 | 1953-07-20 | Westinghouse Electric Corp | Elektrische Hochdruckentladungsvorrichtung |
-
1926
- 1926-11-26 FR FR637962D patent/FR637962A/fr not_active Expired
-
1927
- 1927-11-10 GB GB30197/27A patent/GB281262A/en not_active Expired
- 1927-11-16 DE DES82704D patent/DE547289C/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE738936C (de) * | 1931-08-20 | 1944-04-19 | Aeg | Gluehkathode, insbesondere fuer Roentgenroehren, Braunsche Roehren |
Also Published As
Publication number | Publication date |
---|---|
DE547289C (de) | 1932-03-22 |
GB281262A (en) | 1928-11-08 |
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