NL70496C - - Google Patents
Info
- Publication number
- NL70496C NL70496C NL70496DA NL70496C NL 70496 C NL70496 C NL 70496C NL 70496D A NL70496D A NL 70496DA NL 70496 C NL70496 C NL 70496C
- 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 |
|---|---|---|---|
| GB10068/46A GB619136A (en) | 1946-04-01 | 1946-04-01 | Improvements in or relating to the manufacture of cathodes of thermionic valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL70496C true NL70496C (US20100223739A1-20100909-C00005.png) |
Family
ID=9960847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL70496D NL70496C (US20100223739A1-20100909-C00005.png) | 1946-04-01 |
Country Status (4)
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE15278E (en) * | 1922-01-31 | Electron-discharge apparatus | ||
| US1013914A (en) * | 1907-06-14 | 1912-01-09 | Gen Electric | Attaching filaments to leading-in wires. |
| US1608535A (en) * | 1921-12-30 | 1926-11-30 | Western Electric Co | Electric discharge device |
| GB514758A (en) * | 1938-06-02 | 1939-11-16 | M O Valve Co Ltd | Improvements in and relating to electric discharge devices |
-
0
- NL NL70496D patent/NL70496C/xx active
-
1946
- 1946-04-01 GB GB10068/46A patent/GB619136A/en not_active Expired
-
1947
- 1947-03-24 US US736731A patent/US2496530A/en not_active Expired - Lifetime
- 1947-03-25 FR FR943941D patent/FR943941A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR943941A (fr) | 1949-03-22 |
| GB619136A (en) | 1949-03-04 |
| US2496530A (en) | 1950-02-07 |
