BE474424A - - Google Patents
Info
- Publication number
- BE474424A BE474424A BE474424DA BE474424A BE 474424 A BE474424 A BE 474424A BE 474424D A BE474424D A BE 474424DA BE 474424 A BE474424 A BE 474424A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US447939A US2335050A (en) | 1942-06-22 | 1942-06-22 | Electron discharge amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474424A true BE474424A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=23778357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474424D BE474424A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1942-06-22 |
Country Status (4)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2546247A (en) * | 1947-12-17 | 1951-03-27 | William C Wolf | Process of recovering barite from its native materials |
| NL85225C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1948-11-12 |
-
0
- BE BE474424D patent/BE474424A/xx unknown
-
1942
- 1942-06-22 US US447939A patent/US2335050A/en not_active Expired - Lifetime
-
1943
- 1943-06-18 GB GB9808/43A patent/GB564243A/en not_active Expired
-
1946
- 1946-10-18 FR FR938658D patent/FR938658A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB564243A (en) | 1944-09-19 |
| US2335050A (en) | 1943-11-23 |
| FR938658A (fr) | 1948-10-21 |