NL34018C - - Google Patents
Info
- Publication number
- NL34018C NL34018C NL34018DA NL34018C NL 34018 C NL34018 C NL 34018C NL 34018D A NL34018D A NL 34018DA NL 34018 C NL34018 C NL 34018C
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE718620X | 1930-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL34018C true NL34018C (fr) |
Family
ID=6626996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL34018D NL34018C (fr) | 1930-11-29 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR718620A (fr) |
| NL (1) | NL34018C (fr) |
-
0
- NL NL34018D patent/NL34018C/xx active
-
1931
- 1931-06-13 FR FR718620D patent/FR718620A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR718620A (fr) | 1932-01-27 |