NL191723C - Ruisonderdrukkingsschakeling. - Google Patents
Ruisonderdrukkingsschakeling.Info
- Publication number
- NL191723C NL191723C NL8104090A NL8104090A NL191723C NL 191723 C NL191723 C NL 191723C NL 8104090 A NL8104090 A NL 8104090A NL 8104090 A NL8104090 A NL 8104090A NL 191723 C NL191723 C NL 191723C
- Authority
- NL
- Netherlands
- Prior art keywords
- noise canceling
- canceling circuit
- circuit
- noise
- canceling
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55121208A JPS5746517A (en) | 1980-09-03 | 1980-09-03 | Noise reduction circuit |
JP12120880 | 1980-09-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8104090A NL8104090A (nl) | 1982-04-01 |
NL191723B NL191723B (nl) | 1995-12-01 |
NL191723C true NL191723C (nl) | 1996-04-02 |
Family
ID=14805543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8104090A NL191723C (nl) | 1980-09-03 | 1981-09-03 | Ruisonderdrukkingsschakeling. |
Country Status (12)
Country | Link |
---|---|
US (1) | US4427950A (xx) |
JP (1) | JPS5746517A (xx) |
KR (1) | KR880000597B1 (xx) |
AT (1) | AT374938B (xx) |
BE (1) | BE890183A (xx) |
CA (1) | CA1178210A (xx) |
CH (1) | CH653795A5 (xx) |
DE (1) | DE3134669C2 (xx) |
FR (1) | FR2489573B1 (xx) |
GB (1) | GB2083985B (xx) |
IT (1) | IT1138559B (xx) |
NL (1) | NL191723C (xx) |
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 (en) * | 2006-05-18 | 2007-11-21 | Saab Ab | Method and device for controlling backlash |
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 |
US4224581A (en) * | 1976-10-21 | 1980-09-23 | Tokyo Shibaura Electric Co., Ltd. | Compander system having limiter in compressor and expander |
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 CA CA000385054A patent/CA1178210A/en not_active Expired
- 1981-09-02 IT IT23755/81A patent/IT1138559B/it active
- 1981-09-02 BE BE2/59328A patent/BE890183A/fr not_active IP Right Cessation
- 1981-09-02 DE DE3134669A patent/DE3134669C2/de not_active Expired - Lifetime
- 1981-09-03 KR KR1019810003279A patent/KR880000597B1/ko active
- 1981-09-03 AT AT0381181A patent/AT374938B/de not_active IP Right Cessation
- 1981-09-03 CH CH5677/81A patent/CH653795A5/de not_active IP Right Cessation
- 1981-09-03 NL NL8104090A patent/NL191723C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4427950A (en) | 1984-01-24 |
IT8123755A0 (it) | 1981-09-02 |
KR880000597B1 (ko) | 1988-04-16 |
FR2489573A1 (fr) | 1982-03-05 |
CA1178210A (en) | 1984-11-20 |
GB2083985A (en) | 1982-03-31 |
BE890183A (fr) | 1982-01-04 |
JPS5746517A (en) | 1982-03-17 |
NL191723B (nl) | 1995-12-01 |
FR2489573B1 (fr) | 1985-12-13 |
JPH0123963B2 (xx) | 1989-05-09 |
KR830008280A (ko) | 1983-11-16 |
DE3134669A1 (de) | 1982-05-06 |
DE3134669C2 (de) | 1995-01-05 |
NL8104090A (nl) | 1982-04-01 |
GB2083985B (en) | 1984-10-31 |
IT1138559B (it) | 1986-09-17 |
CH653795A5 (de) | 1986-01-15 |
AT374938B (de) | 1984-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Free format text: 20010903 |