BE434920A - - Google Patents
Info
- Publication number
- BE434920A BE434920A BE434920DA BE434920A BE 434920 A BE434920 A BE 434920A BE 434920D A BE434920D A BE 434920DA BE 434920 A BE434920 A BE 434920A
- 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 |
|---|---|---|---|
| GB227708X | 1938-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434920A true BE434920A (no) |
Family
ID=10184796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434920D BE434920A (no) | 1938-07-05 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE434920A (no) |
| CH (1) | CH227708A (no) |
| DE (1) | DE896057C (no) |
| FR (1) | FR854917A (no) |
| GB (1) | GB516697A (no) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE857401C (de) * | 1942-05-28 | 1952-11-27 | Siemens Ag | Mehrstufiger Verstaerker mit Verstaerkungsregelung durch AEnderung der Gegenkopplung |
| DE893205C (de) * | 1949-11-11 | 1953-10-15 | Atlas Werke Ag | Schaltung zur Verstaerkung und Messung der Differenz veraenderlicher, insbesondere biologischer Spannungen |
| DE820451C (de) * | 1950-02-09 | 1951-11-12 | Telefunken Gmbh | Niederfrequenzverstaerker mit Spannungsgegenkopplung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB317005A (en) * | 1928-08-08 | 1930-10-22 | Standard Telephones Cables Ltd | Electric signal wave amplifying and translation systems |
| GB435646A (en) * | 1933-09-26 | 1935-09-25 | Standard Telephones Cables Ltd | Vacuum tube amplifiers |
-
0
- BE BE434920D patent/BE434920A/xx unknown
-
1938
- 1938-07-05 GB GB19901/38A patent/GB516697A/en not_active Expired
-
1939
- 1939-05-17 FR FR854917D patent/FR854917A/fr not_active Expired
- 1939-05-31 CH CH227708D patent/CH227708A/fr unknown
- 1939-07-02 DE DEI3208D patent/DE896057C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH227708A (fr) | 1943-06-30 |
| DE896057C (de) | 1953-11-09 |
| FR854917A (fr) | 1940-04-27 |
| GB516697A (en) | 1940-01-09 |