NL38699C - - Google Patents
Info
- Publication number
- NL38699C NL38699C NL38699DA NL38699C NL 38699 C NL38699 C NL 38699C NL 38699D A NL38699D A NL 38699DA NL 38699 C NL38699 C NL 38699C
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE414375X | 1932-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL38699C true NL38699C (fr) |
Family
ID=6448327
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL38699D NL38699C (fr) | 1932-02-02 | ||
| NL45884D NL45884C (fr) | 1932-02-02 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL45884D NL45884C (fr) | 1932-02-02 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB414375A (fr) |
| NL (2) | NL45884C (fr) |
-
0
- NL NL38699D patent/NL38699C/xx active
- NL NL45884D patent/NL45884C/xx active
-
1933
- 1933-02-01 GB GB3060/33A patent/GB414375A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB414375A (en) | 1934-08-01 |
| NL45884C (fr) |