JPS5722455B2 - - Google Patents
Info
- Publication number
- JPS5722455B2 JPS5722455B2 JP12656476A JP12656476A JPS5722455B2 JP S5722455 B2 JPS5722455 B2 JP S5722455B2 JP 12656476 A JP12656476 A JP 12656476A JP 12656476 A JP12656476 A JP 12656476A JP S5722455 B2 JPS5722455 B2 JP S5722455B2
- 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.)
- Expired
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
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12656476A JPS5351909A (en) | 1976-10-21 | 1976-10-21 | Noise reduction system |
| US05/844,436 US4187478A (en) | 1976-10-21 | 1977-10-21 | Noise reduction system having specific encoder circuitry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12656476A JPS5351909A (en) | 1976-10-21 | 1976-10-21 | Noise reduction system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5351909A JPS5351909A (en) | 1978-05-11 |
| JPS5722455B2 true JPS5722455B2 (enExample) | 1982-05-13 |
Family
ID=14938274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12656476A Granted JPS5351909A (en) | 1976-10-21 | 1976-10-21 | Noise reduction system |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4187478A (enExample) |
| JP (1) | JPS5351909A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100384157B1 (ko) * | 2000-09-04 | 2003-05-16 | 현대자동차주식회사 | 자동변속기용 오일펌프 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56154835A (en) * | 1980-04-30 | 1981-11-30 | Sony Corp | Noise reduction circuit |
| KR910000368B1 (ko) * | 1984-09-12 | 1991-01-24 | 마쯔시다덴기산교 가부시기가이샤 | 비선형 신호처리장치 |
| DE3525655C1 (de) * | 1985-07-18 | 1986-11-27 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verstaerker fuer erdsymmetrische,elektrische Signale,mit Kompressor- und/oder Expanderfunktion |
| CN108322868B (zh) * | 2018-01-19 | 2020-07-07 | 瑞声科技（南京）有限公司 | 改善扬声器播放钢琴声音音质的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI57502C (fi) * | 1971-04-06 | 1980-08-11 | Victor Company Of Japan | Kompressions- och expansionssystem |
| CA955532A (en) * | 1971-04-16 | 1974-10-01 | Masao Tomita | Automatic noise reduction system |
| JPS5320843B2 (enExample) * | 1971-09-23 | 1978-06-29 | ||
| JPS5026324A (enExample) * | 1973-07-07 | 1975-03-19 |
-
1976
- 1976-10-21 JP JP12656476A patent/JPS5351909A/ja active Granted
-
1977
- 1977-10-21 US US05/844,436 patent/US4187478A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100384157B1 (ko) * | 2000-09-04 | 2003-05-16 | 현대자동차주식회사 | 자동변속기용 오일펌프 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4187478A (en) | 1980-02-05 |
| JPS5351909A (en) | 1978-05-11 |