BE890183A - Circuit de reduction de bruits - Google Patents
Circuit de reduction de bruitsInfo
- Publication number
- BE890183A BE890183A BE2/59328A BE2059328A BE890183A BE 890183 A BE890183 A BE 890183A BE 2/59328 A BE2/59328 A BE 2/59328A BE 2059328 A BE2059328 A BE 2059328A BE 890183 A BE890183 A BE 890183A
- Authority
- BE
- Belgium
- Prior art keywords
- noise reduction
- reduction circuit
- circuit
- noise
- reduction
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55121208A JPS5746517A (en) | 1980-09-03 | 1980-09-03 | Noise reduction circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
BE890183A true BE890183A (fr) | 1982-01-04 |
Family
ID=14805543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2/59328A BE890183A (fr) | 1980-09-03 | 1981-09-02 | Circuit de reduction de bruits |
Country Status (12)
Country | Link |
---|---|
US (1) | US4427950A (fr) |
JP (1) | JPS5746517A (fr) |
KR (1) | KR880000597B1 (fr) |
AT (1) | AT374938B (fr) |
BE (1) | BE890183A (fr) |
CA (1) | CA1178210A (fr) |
CH (1) | CH653795A5 (fr) |
DE (1) | DE3134669C2 (fr) |
FR (1) | FR2489573B1 (fr) |
GB (1) | GB2083985B (fr) |
IT (1) | IT1138559B (fr) |
NL (1) | NL191723C (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6012858U (ja) * | 1983-07-04 | 1985-01-28 | 日本ビクター株式会社 | ノイズリダクシヨン回路 |
US4795025A (en) * | 1985-06-28 | 1989-01-03 | Kabushiki Kaisha Toshiba | Parts feeding apparatus of the piezoelectric drive type |
JP3436777B2 (ja) * | 1993-08-11 | 2003-08-18 | パイオニア株式会社 | ノイズリダクションシステムにおける再生ポジション選択方法および装置 |
WO1998010590A1 (fr) * | 1996-09-02 | 1998-03-12 | Sony Corporation | Dispositif et procede de transmission d'un signal video |
KR100213073B1 (ko) * | 1996-11-09 | 1999-08-02 | 윤종용 | 재생 오디오 신호의 주파수 특성 보상 장치 |
KR100667852B1 (ko) * | 2006-01-13 | 2007-01-11 | 삼성전자주식회사 | 휴대용 레코더 기기의 잡음 제거 장치 및 그 방법 |
JP4813189B2 (ja) * | 2006-01-23 | 2011-11-09 | 株式会社リコー | 高調波抑制回路 |
EP1857902A1 (fr) * | 2006-05-18 | 2007-11-21 | Saab Ab | Méthode et dispositif de régulation de jeu |
JP5882253B2 (ja) | 2013-04-23 | 2016-03-09 | 高千穂産業株式会社 | 長尺物品の位置測定方法 |
CN105656442A (zh) * | 2014-11-21 | 2016-06-08 | 中兴通讯股份有限公司 | 一种增益处理方法和装置 |
DE102015110460B4 (de) * | 2015-06-30 | 2017-01-19 | Schmidhauser Ag | Erkennung eines Netzphasenausfalls bei Umrichtern mit einer Frequenzdetektion in der Zwischenkreisspannung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3678416A (en) * | 1971-07-26 | 1972-07-18 | Richard S Burwen | Dynamic noise filter having means for varying cutoff point |
CA955532A (en) * | 1971-04-16 | 1974-10-01 | Masao Tomita | Automatic noise reduction system |
JPS52142409A (en) * | 1976-05-21 | 1977-11-28 | Toshiba Corp | Noise reduction system |
DE2747415C3 (de) * | 1976-10-21 | 1981-05-14 | Tokyo Shibaura Electric Co., Ltd., Kawasaki, Kanagawa | Rauschunterdrückungssystem |
US4101849A (en) * | 1976-11-08 | 1978-07-18 | Dbx, Inc. | Adaptive filter |
JPS56106433A (en) * | 1980-01-28 | 1981-08-24 | Sony Corp | Noise reducing circuit |
US4337445A (en) * | 1981-01-21 | 1982-06-29 | Sony Corporation | Compander circuit which produces variable pre-emphasis and de-emphasis |
-
1980
- 1980-09-03 JP JP55121208A patent/JPS5746517A/ja active Granted
-
1981
- 1981-08-28 GB GB8126309A patent/GB2083985B/en not_active Expired
- 1981-08-31 US US06/298,099 patent/US4427950A/en not_active Expired - Lifetime
- 1981-08-31 FR FR8116588A patent/FR2489573B1/fr not_active Expired
- 1981-09-02 BE BE2/59328A patent/BE890183A/fr not_active IP Right Cessation
- 1981-09-02 IT IT23755/81A patent/IT1138559B/it active
- 1981-09-02 CA CA000385054A patent/CA1178210A/fr not_active Expired
- 1981-09-02 DE DE3134669A patent/DE3134669C2/de not_active Expired - Lifetime
- 1981-09-03 NL NL8104090A patent/NL191723C/xx not_active IP Right Cessation
- 1981-09-03 KR KR1019810003279A patent/KR880000597B1/ko active
- 1981-09-03 CH CH5677/81A patent/CH653795A5/de not_active IP Right Cessation
- 1981-09-03 AT AT0381181A patent/AT374938B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5746517A (en) | 1982-03-17 |
NL191723B (nl) | 1995-12-01 |
AT374938B (de) | 1984-06-12 |
JPH0123963B2 (fr) | 1989-05-09 |
FR2489573A1 (fr) | 1982-03-05 |
CA1178210A (fr) | 1984-11-20 |
IT8123755A0 (it) | 1981-09-02 |
IT1138559B (it) | 1986-09-17 |
KR830008280A (ko) | 1983-11-16 |
GB2083985B (en) | 1984-10-31 |
FR2489573B1 (fr) | 1985-12-13 |
DE3134669A1 (de) | 1982-05-06 |
NL8104090A (nl) | 1982-04-01 |
GB2083985A (en) | 1982-03-31 |
US4427950A (en) | 1984-01-24 |
DE3134669C2 (de) | 1995-01-05 |
NL191723C (nl) | 1996-04-02 |
KR880000597B1 (ko) | 1988-04-16 |
CH653795A5 (de) | 1986-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: SONY CORP. Effective date: 20010902 |