NL17006C - - Google Patents
Info
- Publication number
- NL17006C NL17006C NL17006DA NL17006C NL 17006 C NL17006 C NL 17006C NL 17006D A NL17006D A NL 17006DA NL 17006 C NL17006 C NL 17006C
- 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 |
|---|---|---|---|
| DE590197X | 1924-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL17006C true NL17006C (en:Method) |
Family
ID=6572715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL17006D NL17006C (en:Method) | 1924-07-03 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR590197A (en:Method) |
| NL (1) | NL17006C (en:Method) |
-
0
- NL NL17006D patent/NL17006C/xx active
-
1924
- 1924-10-31 FR FR590197D patent/FR590197A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR590197A (fr) | 1925-06-12 |