NL43639C - - Google Patents
Info
- Publication number
- NL43639C NL43639C NL43639DA NL43639C NL 43639 C NL43639 C NL 43639C NL 43639D A NL43639D A NL 43639DA NL 43639 C NL43639 C NL 43639C
- 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 |
|---|---|---|---|
| HU477787X | 1935-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL43639C true NL43639C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=10979291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL43639D NL43639C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1935-08-31 |
Country Status (3)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2707771A (en) * | 1946-07-05 | 1955-05-03 | Sylvania Electric Prod | Electron discharge device of the dynatron oscillator type |
| US2549551A (en) * | 1948-01-15 | 1951-04-17 | Bell Telephone Labor Inc | Grid electrode structure and manufacturing method therefor |
-
0
- NL NL43639D patent/NL43639C/xx active
-
1936
- 1936-08-26 FR FR810429D patent/FR810429A/fr not_active Expired
- 1936-08-31 GB GB23789/36A patent/GB477787A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR810429A (fr) | 1937-03-22 |
| GB477787A (en) | 1938-01-06 |