NL21826C - - Google Patents
Info
- Publication number
- NL21826C NL21826C NL21826DA NL21826C NL 21826 C NL21826 C NL 21826C NL 21826D A NL21826D A NL 21826DA NL 21826 C NL21826 C NL 21826C
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB669427A GB293711A (en) | 1927-03-10 | 1927-03-10 | Improvements in or relating to electric discharge tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21826C true NL21826C (https=) |
Family
ID=9819095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21826D NL21826C (https=) | 1927-03-10 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB293711A (https=) |
| NL (1) | NL21826C (https=) |
-
0
- NL NL21826D patent/NL21826C/xx active
-
1927
- 1927-03-10 GB GB669427A patent/GB293711A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB293711A (en) | 1928-07-10 |