NL42966C - - Google Patents
Info
- Publication number
- NL42966C NL42966C NL42966DA NL42966C NL 42966 C NL42966 C NL 42966C NL 42966D A NL42966D A NL 42966DA NL 42966 C NL42966 C NL 42966C
- 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 |
|---|---|---|---|
| HU453549X | 1934-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL42966C true NL42966C (en:Method) |
Family
ID=10979212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL42966D NL42966C (en:Method) | 1934-11-22 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE722679C (en:Method) |
| FR (1) | FR797987A (en:Method) |
| GB (1) | GB453549A (en:Method) |
| NL (1) | NL42966C (en:Method) |
-
0
- NL NL42966D patent/NL42966C/xx active
-
1935
- 1935-11-19 FR FR797987D patent/FR797987A/fr not_active Expired
- 1935-11-20 DE DEV32312D patent/DE722679C/de not_active Expired
- 1935-11-22 GB GB32403/35A patent/GB453549A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR797987A (fr) | 1936-05-07 |
| DE722679C (de) | 1942-07-16 |
| GB453549A (en) | 1936-09-14 |