NL47224C - - Google Patents
Info
- Publication number
- NL47224C NL47224C NL47224DA NL47224C NL 47224 C NL47224 C NL 47224C NL 47224D A NL47224D A NL 47224DA NL 47224 C NL47224 C NL 47224C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL201099X | 1936-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL47224C true NL47224C (fr) |
Family
ID=19778338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL47224D NL47224C (fr) | 1936-09-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2167097A (fr) |
| BE (1) | BE423376A (fr) |
| CH (1) | CH201099A (fr) |
| GB (1) | GB496705A (fr) |
| NL (1) | NL47224C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2528437A (en) * | 1945-08-04 | 1950-10-31 | Ivan L Joy | Multiple anode tube and method of employing the same in testing apparatus |
| GB683061A (en) * | 1948-01-24 | 1952-11-19 | Emi Ltd | Improvements relating to thermionic valves utilising secondary electron emission amplification |
-
0
- BE BE423376D patent/BE423376A/xx unknown
- NL NL47224D patent/NL47224C/xx active
-
1937
- 1937-08-25 US US160796A patent/US2167097A/en not_active Expired - Lifetime
- 1937-08-30 GB GB23721/37A patent/GB496705A/en not_active Expired
- 1937-08-30 CH CH201099D patent/CH201099A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB496705A (en) | 1938-12-05 |
| BE423376A (fr) | |
| US2167097A (en) | 1939-07-25 |
| CH201099A (de) | 1938-11-15 |