NL43310C - - Google Patents
Info
- Publication number
- NL43310C NL43310C NL43310DA NL43310C NL 43310 C NL43310 C NL 43310C NL 43310D A NL43310D A NL 43310DA NL 43310 C NL43310 C NL 43310C
- 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 |
|---|---|---|---|
| US759686A US2069832A (en) | 1934-12-29 | 1934-12-29 | Electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL43310C true NL43310C (ja�@�@) |
Family
ID=25056580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL43310D NL43310C (ja�@�@) | 1934-12-29 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2069832A (ja�@�@) |
| FR (1) | FR798597A (ja�@�@) |
| NL (1) | NL43310C (ja�@�@) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2433821A (en) * | 1945-05-23 | 1947-12-30 | Sylvania Electric Prod | Electron emissive cathode |
| NL67823C (ja�@�@) * | 1946-03-16 |
-
0
- NL NL43310D patent/NL43310C/xx active
-
1934
- 1934-12-29 US US759686A patent/US2069832A/en not_active Expired - Lifetime
-
1935
- 1935-10-26 FR FR798597D patent/FR798597A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR798597A (fr) | 1936-05-20 |
| US2069832A (en) | 1937-02-09 |