BE441935A - - Google Patents
Info
- Publication number
- BE441935A BE441935A BE441935DA BE441935A BE 441935 A BE441935 A BE 441935A BE 441935D A BE441935D A BE 441935DA BE 441935 A BE441935 A BE 441935A
- 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)
- Toys (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4092/40A GB539360A (en) | 1940-03-05 | 1940-03-05 | Improvements in or relating to thermionic amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441935A true BE441935A (de) |
Family
ID=9770587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441935D BE441935A (de) | 1940-03-05 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2556218A (de) |
| BE (1) | BE441935A (de) |
| DE (1) | DE874794C (de) |
| FR (1) | FR871090A (de) |
| GB (1) | GB539360A (de) |
| NL (1) | NL62598C (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2794853A (en) * | 1951-05-31 | 1957-06-04 | Western Union Telegraph Co | Submarine cable amplifier and wave shaper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2315312A (en) * | 1939-01-21 | 1943-03-30 | Western Electric Co | Electron discharge device circuits |
| US2255679A (en) * | 1939-05-31 | 1941-09-09 | Rca Corp | Audio frequency amplifier |
| US2246158A (en) * | 1939-08-17 | 1941-06-17 | Gen Electric | Amplifier |
| US2302493A (en) * | 1941-01-28 | 1942-11-17 | Gen Electric | Amplifying system |
-
0
- NL NL62598D patent/NL62598C/xx active
- BE BE441935D patent/BE441935A/xx unknown
-
1940
- 1940-03-05 GB GB4092/40A patent/GB539360A/en not_active Expired
-
1941
- 1941-03-26 FR FR871090D patent/FR871090A/fr not_active Expired
-
1947
- 1947-04-05 US US739689A patent/US2556218A/en not_active Expired - Lifetime
-
1950
- 1950-10-01 DE DEST2508A patent/DE874794C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL62598C (de) | |
| DE874794C (de) | 1953-04-27 |
| FR871090A (fr) | 1942-04-07 |
| US2556218A (en) | 1951-06-12 |
| GB539360A (en) | 1941-09-08 |