NL53347C - - Google Patents
Info
- Publication number
- NL53347C NL53347C NL53347DA NL53347C NL 53347 C NL53347 C NL 53347C NL 53347D A NL53347D A NL 53347DA NL 53347 C NL53347 C NL 53347C
- 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
- H01J1/18—Supports; Vibration-damping arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE216254X | 1940-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL53347C true NL53347C (en:Method) |
Family
ID=5828231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL53347D NL53347C (en:Method) | 1940-01-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2328136A (en:Method) |
| BE (1) | BE440123A (en:Method) |
| CH (1) | CH216254A (en:Method) |
| FR (1) | FR869669A (en:Method) |
| NL (1) | NL53347C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467390A (en) * | 1945-10-29 | 1949-04-19 | Raytheon Mfg Co | Filament support for electric space discharge tubes |
-
0
- NL NL53347D patent/NL53347C/xx active
- BE BE440123D patent/BE440123A/xx unknown
-
1940
- 1940-12-16 CH CH216254D patent/CH216254A/de unknown
-
1941
- 1941-01-31 FR FR869669D patent/FR869669A/fr not_active Expired
- 1941-02-08 US US377986A patent/US2328136A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2328136A (en) | 1943-08-31 |
| CH216254A (de) | 1941-08-15 |
| BE440123A (en:Method) | |
| FR869669A (fr) | 1942-02-11 |