JPS49134216A - - Google Patents
Info
- Publication number
- JPS49134216A JPS49134216A JP10331273A JP10331273A JPS49134216A JP S49134216 A JPS49134216 A JP S49134216A JP 10331273 A JP10331273 A JP 10331273A JP 10331273 A JP10331273 A JP 10331273A JP S49134216 A JPS49134216 A JP S49134216A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4298172A GB1442331A (en) | 1972-09-15 | 1972-09-15 | Signal compressors and expanders |
| GB4298172 | 1972-09-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49134216A true JPS49134216A (en) | 1974-12-24 |
| JPS5914932B2 JPS5914932B2 (en) | 1984-04-06 |
Family
ID=10426827
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48103312A Expired JPS5914932B2 (en) | 1972-09-15 | 1973-09-14 | Signal dynamic range change circuit |
| JP57079080A Granted JPS5817714A (en) | 1972-09-15 | 1982-05-11 | Dynamic range altering circuit for signal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57079080A Granted JPS5817714A (en) | 1972-09-15 | 1982-05-11 | Dynamic range altering circuit for signal |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JPS5914932B2 (en) |
| CA (1) | CA992871A (en) |
| DE (1) | DE2346126C2 (en) |
| GB (1) | GB1442331A (en) |
| NL (1) | NL180368C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57128231U (en) * | 1981-02-03 | 1982-08-10 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3182271A (en) * | 1960-12-15 | 1965-05-04 | Aiken William Ross | Tone control circuit for emphasizing low volume high and low frequency signals |
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1972
- 1972-09-15 GB GB4298172A patent/GB1442331A/en not_active Expired
-
1973
- 1973-09-04 CA CA180,248A patent/CA992871A/en not_active Expired
- 1973-09-13 DE DE19732346126 patent/DE2346126C2/en not_active Expired
- 1973-09-14 JP JP48103312A patent/JPS5914932B2/en not_active Expired
- 1973-09-17 NL NL7312802A patent/NL180368C/en not_active IP Right Cessation
-
1982
- 1982-05-11 JP JP57079080A patent/JPS5817714A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57128231U (en) * | 1981-02-03 | 1982-08-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1442331A (en) | 1976-07-14 |
| NL7312802A (en) | 1974-03-19 |
| JPS6218086B2 (en) | 1987-04-21 |
| DE2346126A1 (en) | 1974-03-21 |
| DE2346126C2 (en) | 1982-12-02 |
| NL180368B (en) | 1986-09-01 |
| NL180368C (en) | 1987-02-02 |
| CA992871A (en) | 1976-07-13 |
| JPS5817714A (en) | 1983-02-02 |
| JPS5914932B2 (en) | 1984-04-06 |