FR957377A - - Google Patents
Info
- Publication number
- FR957377A FR957377A FR957377DA FR957377A FR 957377 A FR957377 A FR 957377A FR 957377D A FR957377D A FR 957377DA FR 957377 A FR957377 A FR 957377A
- Authority
- FR
- France
- 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
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paints Or Removers (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB377944A GB582729A (en) | 1944-02-29 | 1944-02-29 | Improvements in or relating to methods of applying emissive coatings to the cathodes of electronic discharge devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR957377A true FR957377A (enrdf_load_stackoverflow) | 1950-02-18 |
Family
ID=9764762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR957377D Expired FR957377A (enrdf_load_stackoverflow) | 1944-02-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE478458A (enrdf_load_stackoverflow) |
| DE (1) | DE854061C (enrdf_load_stackoverflow) |
| FR (1) | FR957377A (enrdf_load_stackoverflow) |
| GB (1) | GB582729A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744838A (en) * | 1951-11-03 | 1956-05-08 | Gen Electric | Electron discharge device cathode and method of making same |
| DE1002475B (de) * | 1953-12-22 | 1957-02-14 | Loewe Opta Ag | Verfahren zum Herstellen von Emissionsschichten fuer Kathoden |
| DE1007891B (de) * | 1954-01-09 | 1957-05-09 | Telefunken Gmbh | Verfahren zur Herstellung von mit Russ oder Graphit versehenen Gittern fuer Elektronenroehren |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1640710A (en) * | 1926-03-01 | 1927-08-30 | Hazeltine Corp | Electron emitting cathode and process of preparing the same |
| FR696397A (fr) * | 1926-08-06 | 1930-12-30 | Radiowerk E Schrack | Procédé de production dee cathodes oxydées pour les tubes électroniques d'émission à haute intensité |
| US1828545A (en) * | 1927-08-26 | 1931-10-20 | Ruben Tube Company | Vacuum tube and its elements |
| US2311513A (en) * | 1940-01-17 | 1943-02-16 | Westinghouse Electric & Mfg Co | Method of applying luminescent coating |
| US2297048A (en) * | 1940-03-12 | 1942-09-29 | Gen Electric | Luminescent coating |
-
0
- BE BE478458D patent/BE478458A/xx unknown
- FR FR957377D patent/FR957377A/fr not_active Expired
-
1944
- 1944-02-29 GB GB377944A patent/GB582729A/en not_active Expired
-
1948
- 1948-12-24 DE DEP26557A patent/DE854061C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE478458A (enrdf_load_stackoverflow) | |
| GB582729A (en) | 1946-11-26 |
| DE854061C (de) | 1952-10-30 |