FR957766A - - Google Patents
Info
- Publication number
- FR957766A FR957766A FR957766DA FR957766A FR 957766 A FR957766 A FR 957766A FR 957766D A FR957766D A FR 957766DA FR 957766 A FR957766 A FR 957766A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
-
- 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 |
|---|---|---|---|
| CH2570294X | 1945-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR957766A true FR957766A (fr) | 1950-02-25 |
Family
ID=4570200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR957766D Expired FR957766A (fr) | 1945-06-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2570294A (fr) |
| BE (1) | BE479415A (fr) |
| CH (1) | CH258991A (fr) |
| FR (1) | FR957766A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2593600A (en) * | 1951-05-01 | 1952-04-22 | Rca Corp | Signal selection |
| US2794853A (en) * | 1951-05-31 | 1957-06-04 | Western Union Telegraph Co | Submarine cable amplifier and wave shaper |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2102671A (en) * | 1929-05-21 | 1937-12-21 | Bell Telephone Labor Inc | Wave translation system |
| US2173426A (en) * | 1937-08-30 | 1939-09-19 | Gen Radio Co | Electric system |
| US2188671A (en) * | 1938-03-29 | 1940-01-30 | Bell Telephone Labor Inc | Wave amplifying system |
| US2170046A (en) * | 1938-04-15 | 1939-08-22 | Bell Telephone Labor Inc | Negative feedback amplifier |
| US2224580A (en) * | 1938-11-16 | 1940-12-10 | Bell Telephone Labor Inc | Modulation system |
| US2281312A (en) * | 1941-02-25 | 1942-04-28 | Bell Telephone Labor Inc | Wave translation |
| BE476621A (fr) * | 1941-06-06 | |||
| US2370483A (en) * | 1942-08-14 | 1945-02-27 | Gulf Research Development Co | Amplifier |
-
0
- FR FR957766D patent/FR957766A/fr not_active Expired
- BE BE479415D patent/BE479415A/xx unknown
-
1945
- 1945-06-02 CH CH258991D patent/CH258991A/fr unknown
-
1947
- 1947-07-25 US US763573A patent/US2570294A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2570294A (en) | 1951-10-09 |
| CH258991A (fr) | 1948-12-31 |
| BE479415A (fr) |