CA2021244A1 - Dispositif reducteur de bruit - Google Patents

Dispositif reducteur de bruit

Info

Publication number
CA2021244A1
CA2021244A1 CA 2021244 CA2021244A CA2021244A1 CA 2021244 A1 CA2021244 A1 CA 2021244A1 CA 2021244 CA2021244 CA 2021244 CA 2021244 A CA2021244 A CA 2021244A CA 2021244 A1 CA2021244 A1 CA 2021244A1
Authority
CA
Canada
Prior art keywords
noise
unit
wave
delaying
frequency
Prior art date
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
Application number
CA 2021244
Other languages
English (en)
Other versions
CA2021244C (fr
Inventor
Masaaki Nagami
Akira Motojima
Yoshihiro Kageyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Ten Ltd
Original Assignee
Denso Ten Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denso Ten Ltd filed Critical Denso Ten Ltd
Publication of CA2021244A1 publication Critical patent/CA2021244A1/fr
Application granted granted Critical
Publication of CA2021244C publication Critical patent/CA2021244C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Exhaust Silencers (AREA)
CA002021244A 1989-07-19 1990-07-16 Dispositif reducteur de bruit Expired - Lifetime CA2021244C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1184740A JPH0727391B2 (ja) 1989-07-19 1989-07-19 雑音低減装置
JP1-184740 1989-07-19

Publications (2)

Publication Number Publication Date
CA2021244A1 true CA2021244A1 (fr) 1991-01-20
CA2021244C CA2021244C (fr) 1999-05-04

Family

ID=16158529

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002021244A Expired - Lifetime CA2021244C (fr) 1989-07-19 1990-07-16 Dispositif reducteur de bruit

Country Status (2)

Country Link
JP (1) JPH0727391B2 (fr)
CA (1) CA2021244C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114576661A (zh) * 2020-11-30 2022-06-03 广东美的白色家电技术创新中心有限公司 一种烟机

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992022054A1 (fr) * 1991-05-30 1992-12-10 Fujitsu Ten Limited Dispositif d'attenuation des bruits
JP3517892B2 (ja) * 1993-03-24 2004-04-12 マツダ株式会社 車両の振動低減装置
JP2001056693A (ja) * 1999-08-20 2001-02-27 Matsushita Electric Ind Co Ltd 騒音低減装置
US20090161879A1 (en) * 2005-12-05 2009-06-25 Hirofumi Yanagawa Sound Signal Processing Device, Method of Processing Sound Signal, Sound Reproducing System, Method of Designing Sound Signal Processing Device
JP4802808B2 (ja) * 2006-03-28 2011-10-26 パナソニック電工株式会社 通話装置
JP4921954B2 (ja) * 2006-12-25 2012-04-25 株式会社竹中工務店 騒音低減装置
JP4973733B2 (ja) 2007-09-21 2012-07-11 富士通株式会社 能動消音装置および能動消音装置の制御方法
JP5728378B2 (ja) * 2011-12-26 2015-06-03 株式会社竹中工務店 騒音低減装置
CN102928073A (zh) * 2012-11-26 2013-02-13 昆山北极光电子科技有限公司 一种基于相位叠加的振动噪声滤除方法
JP6377412B2 (ja) * 2014-05-26 2018-08-22 株式会社奥村組 アクティブノイズコントロールシステム及びアクティブノイズコントロール方法
JP7796558B2 (ja) * 2022-03-09 2026-01-09 本田技研工業株式会社 能動型騒音低減装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58156997A (ja) * 1982-03-13 1983-09-19 永積　靖夫 能動型消音器
JPS6256995A (ja) * 1985-09-05 1987-03-12 株式会社日本自動車部品総合研究所 能動的消音装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114576661A (zh) * 2020-11-30 2022-06-03 广东美的白色家电技术创新中心有限公司 一种烟机

Also Published As

Publication number Publication date
CA2021244C (fr) 1999-05-04
JPH0350998A (ja) 1991-03-05
JPH0727391B2 (ja) 1995-03-29

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)
MKEC Expiry (correction)

Effective date: 20121202