FR964881A - - Google Patents
Info
- Publication number
- FR964881A FR964881A FR964881DA FR964881A FR 964881 A FR964881 A FR 964881A FR 964881D A FR964881D A FR 964881DA FR 964881 A FR964881 A FR 964881A
- 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
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB275280X | 1947-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR964881A true FR964881A (en) | 1950-08-26 |
Family
ID=10261048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR964881D Expired FR964881A (en) | 1947-04-18 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH275280A (en) |
| DE (1) | DE846560C (en) |
| FR (1) | FR964881A (en) |
| GB (1) | GB640920A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2750451A (en) * | 1951-03-13 | 1956-06-12 | Motorola Inc | Audio system |
| DE1048950B (en) * | 1956-07-19 | 1959-01-22 | Siemens Ag | Message transmission system with an arrangement for noise suppression |
| US3058068A (en) * | 1958-08-11 | 1962-10-09 | Beckman Instruments Inc | Clamping circuit for feedback amplifiers |
| FR1313261A (en) * | 1961-11-15 | 1962-12-28 | Thomson Houston Comp Francaise | Improvements to control systems |
| US3398381A (en) * | 1965-03-22 | 1968-08-20 | Columbia Broadcasting Syst Inc | Control circuit for restricting instantaneous peak levels of audio signals |
| JPS56134811A (en) * | 1980-03-24 | 1981-10-21 | Sony Corp | Gain control circuit |
-
0
- FR FR964881D patent/FR964881A/fr not_active Expired
-
1947
- 1947-04-18 GB GB10445/47A patent/GB640920A/en not_active Expired
-
1948
- 1948-04-05 CH CH275280D patent/CH275280A/en unknown
-
1949
- 1949-01-01 DE DEP30033A patent/DE846560C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH275280A (en) | 1951-05-15 |
| GB640920A (en) | 1950-08-02 |
| DE846560C (en) | 1952-08-14 |