NL49371C - - Google Patents
Info
- Publication number
- NL49371C NL49371C NL49371DA NL49371C NL 49371 C NL49371 C NL 49371C NL 49371D A NL49371D A NL 49371DA NL 49371 C NL49371 C NL 49371C
- 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
- H01J1/16—Cathodes heated directly by an electric current characterised by the shape
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2091036A GB478373A (en) | 1936-07-28 | 1936-07-28 | Improvements in cathodes and other electrodes of thermionic discharge apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49371C true NL49371C (en:Method) |
Family
ID=10153866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49371D NL49371C (en:Method) | 1936-07-28 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE704278C (en:Method) |
| FR (1) | FR824874A (en:Method) |
| GB (1) | GB478373A (en:Method) |
| NL (1) | NL49371C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE907677C (de) * | 1938-10-09 | 1954-03-29 | Aeg | Unmittelbar geheizte, aus zwei in einer gemeinsamen Zylinderflaeche liegenden Wendeln bestehende Kathode |
| DE744452C (de) * | 1940-03-29 | 1944-01-19 | Aeg | Unmittelbar geheizte Kathode, insbesondere fuer Hochleistungsroehren |
-
0
- NL NL49371D patent/NL49371C/xx active
-
1936
- 1936-07-28 GB GB2091036A patent/GB478373A/en not_active Expired
-
1937
- 1937-07-28 FR FR824874D patent/FR824874A/fr not_active Expired
- 1937-07-28 DE DEA83757D patent/DE704278C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE704278C (de) | 1941-03-27 |
| FR824874A (fr) | 1938-02-17 |
| GB478373A (en) | 1938-01-18 |