BE414089A - - Google Patents
Info
- Publication number
- BE414089A BE414089A BE414089DA BE414089A BE 414089 A BE414089 A BE 414089A BE 414089D A BE414089D A BE 414089DA BE 414089 A BE414089 A BE 414089A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4049A US2073599A (en) | 1935-01-30 | 1935-01-30 | Electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE414089A true BE414089A (forum.php) |
Family
ID=21708880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE414089D BE414089A (forum.php) | 1935-01-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2073599A (forum.php) |
| BE (1) | BE414089A (forum.php) |
| FR (1) | FR801041A (forum.php) |
| GB (1) | GB469477A (forum.php) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767612C (de) * | 1936-07-30 | 1953-01-05 | Aeg | Anordnung zur Verstaerkung eines Elektronenbildes durch Sekundaerelektronenemission |
| NL50859C (forum.php) * | 1937-03-30 | 1941-08-16 | ||
| DE762710C (de) * | 1939-03-18 | 1954-01-11 | Telefunken Gmbh | Elektronenvervielfacher mit als feinmaschige Netze ausgebildeten und durch Aufdampfen einer aktivierenden Substanz aktivierten Prallelektroden |
| US2417805A (en) * | 1941-04-30 | 1947-03-25 | Int Standard Electric Corp | Electric oscillation generator and amplifier |
| FR954568A (forum.php) * | 1942-05-09 | 1950-01-03 | ||
| US2428612A (en) * | 1942-05-09 | 1947-10-07 | Gen Electric | Magnetron |
| US2423998A (en) * | 1943-04-30 | 1947-07-15 | Farnsworth Television & Radio | Electron discharge device |
| US2420753A (en) * | 1943-11-10 | 1947-05-20 | Hazeltine Research Inc | Wave-signal translating system |
| US2520152A (en) * | 1943-11-18 | 1950-08-29 | Farnsworth Res Corp | Radiant energy receiving device |
| USD942534S1 (en) * | 2019-10-19 | 2022-02-01 | Mahdi Al-Husseini | Calculator with electronic tube display and keypad |
-
0
- BE BE414089D patent/BE414089A/xx unknown
-
1935
- 1935-01-30 US US4049A patent/US2073599A/en not_active Expired - Lifetime
-
1936
- 1936-01-21 FR FR801041D patent/FR801041A/fr not_active Expired
- 1936-01-27 GB GB2586/36A patent/GB469477A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB469477A (en) | 1937-07-27 |
| FR801041A (fr) | 1936-07-25 |
| US2073599A (en) | 1937-03-09 |