BE434293A - - Google Patents
Info
- Publication number
- BE434293A BE434293A BE434293DA BE434293A BE 434293 A BE434293 A BE 434293A BE 434293D A BE434293D A BE 434293DA BE 434293 A BE434293 A BE 434293A
- 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 |
|---|---|---|---|
| GB224073X | 1938-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434293A true BE434293A (forum.php) |
Family
ID=10178865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434293D BE434293A (forum.php) | 1938-05-13 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE434293A (forum.php) |
| CH (1) | CH224073A (forum.php) |
| FR (1) | FR853651A (forum.php) |
| GB (1) | GB514713A (forum.php) |
| NL (2) | NL93123B (forum.php) |
-
0
- NL NL62294D patent/NL62294C/xx active
- BE BE434293D patent/BE434293A/xx unknown
- NL NL93123D patent/NL93123B/xx unknown
-
1938
- 1938-05-13 GB GB14355/38A patent/GB514713A/en not_active Expired
-
1939
- 1939-04-29 FR FR853651D patent/FR853651A/fr not_active Expired
- 1939-05-04 CH CH224073D patent/CH224073A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB514713A (en) | 1939-11-15 |
| NL62294C (forum.php) | |
| FR853651A (fr) | 1940-03-26 |
| CH224073A (fr) | 1942-10-31 |
| NL93123B (forum.php) |