BE441533A - - Google Patents
Info
- Publication number
- BE441533A BE441533A BE441533DA BE441533A BE 441533 A BE441533 A BE 441533A BE 441533D A BE441533D A BE 441533DA BE 441533 A BE441533 A BE 441533A
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US325297A US2245599A (en) | 1940-03-22 | 1940-03-22 | Feedback amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441533A true BE441533A (de) |
Family
ID=23267291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441533D BE441533A (de) | 1940-03-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2245599A (de) |
| BE (1) | BE441533A (de) |
| FR (1) | FR884049A (de) |
| GB (1) | GB545826A (de) |
| NL (1) | NL70869C (de) |
-
0
- NL NL70869D patent/NL70869C/xx active
- BE BE441533D patent/BE441533A/xx unknown
-
1940
- 1940-03-22 US US325297A patent/US2245599A/en not_active Expired - Lifetime
-
1941
- 1941-03-14 GB GB3492/41A patent/GB545826A/en not_active Expired
- 1941-04-08 FR FR884049D patent/FR884049A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR884049A (fr) | 1943-07-30 |
| GB545826A (en) | 1942-06-15 |
| NL70869C (de) | |
| US2245599A (en) | 1941-06-17 |