NL35461C - - Google Patents
Info
- Publication number
- NL35461C NL35461C NL35461DA NL35461C NL 35461 C NL35461 C NL 35461C NL 35461D A NL35461D A NL 35461DA NL 35461 C NL35461 C NL 35461C
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA65440D DE626819C (de) | 1932-03-20 | 1932-03-20 | Gluehkathode, bei der auf einer Metallunterlage eine emittierende Oxydschicht aufgebracht ist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL35461C true NL35461C (https=) |
Family
ID=31724009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL35461D NL35461C (https=) | 1932-03-20 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE626819C (https=) |
| GB (1) | GB404169A (https=) |
| NL (1) | NL35461C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975656A (en) * | 1989-03-31 | 1990-12-04 | Litton Systems, Inc. | Enhanced secondary electron emitter |
-
0
- NL NL35461D patent/NL35461C/xx active
-
1932
- 1932-03-20 DE DEA65440D patent/DE626819C/de not_active Expired
-
1933
- 1933-03-20 GB GB839033A patent/GB404169A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE626819C (de) | 1936-03-03 |
| GB404169A (en) | 1934-01-11 |