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DE60015902D1 - Aktive Vorrichtung zur Abschwächung der Schallintensität - Google Patents

Aktive Vorrichtung zur Abschwächung der Schallintensität

Info

Publication number
DE60015902D1
DE60015902D1 DE60015902T DE60015902T DE60015902D1 DE 60015902 D1 DE60015902 D1 DE 60015902D1 DE 60015902 T DE60015902 T DE 60015902T DE 60015902 T DE60015902 T DE 60015902T DE 60015902 D1 DE60015902 D1 DE 60015902D1
Authority
DE
Germany
Prior art keywords
attenuation
active device
sound intensity
cancellation
noise
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.)
Expired - Fee Related
Application number
DE60015902T
Other languages
English (en)
Other versions
DE60015902T2 (de
Inventor
Lionel Gaudriot
Jacques Martinat
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.)
Comptoir de la Technologie
Original Assignee
Comptoir de la Technologie
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 Comptoir de la Technologie filed Critical Comptoir de la Technologie
Publication of DE60015902D1 publication Critical patent/DE60015902D1/de
Application granted granted Critical
Publication of DE60015902T2 publication Critical patent/DE60015902T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0094Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic constructions for generation of phase shifting
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785Methods, e.g. algorithms; Devices
    • G10K11/17857Geometric disposition, e.g. placement of microphones
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787General system configurations
    • G10K11/17879General system configurations using both a reference signal and an error signal
    • G10K11/17881General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10Applications
    • G10K2210/12Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10Applications
    • G10K2210/124Traffic
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/321Physical
    • G10K2210/3212Actuator details, e.g. composition or microstructure
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/321Physical
    • G10K2210/3215Arrays, e.g. for beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Amplifiers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE60015902T 1999-10-18 2000-10-10 Aktive Vorrichtung zur Abschwächung der Schallintensität Expired - Fee Related DE60015902T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9913164A FR2799873B1 (fr) 1999-10-18 1999-10-18 Dispositif actif d'attenuation de l'intensite sonore
FR9913164 1999-10-18

Publications (2)

Publication Number Publication Date
DE60015902D1 true DE60015902D1 (de) 2004-12-23
DE60015902T2 DE60015902T2 (de) 2005-11-24

Family

ID=9551206

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60015902T Expired - Fee Related DE60015902T2 (de) 1999-10-18 2000-10-10 Aktive Vorrichtung zur Abschwächung der Schallintensität

Country Status (5)

Country Link
US (1) US6463156B1 (de)
EP (1) EP1094444B1 (de)
AT (1) ATE282878T1 (de)
DE (1) DE60015902T2 (de)
FR (1) FR2799873B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7352870B2 (en) * 2002-03-29 2008-04-01 Kabushiki Kaisha Toshiba Active sound muffler and active sound muffling method
JP2004177419A (ja) * 2002-11-22 2004-06-24 Toshiba Corp 能動回折音制御装置
JP2004361938A (ja) * 2003-05-15 2004-12-24 Takenaka Komuten Co Ltd 騒音低減装置
JP2008213547A (ja) * 2007-02-28 2008-09-18 Nissan Motor Co Ltd 騒音制御装置
JP4311487B2 (ja) * 2007-10-23 2009-08-12 トヨタ自動車株式会社 車室内構造
FR2945890B1 (fr) * 2009-05-20 2011-06-10 Didson Dispositif de generation d'ondes acoustiques, et installation incluant plusieurs de ces dispositifs
US8737634B2 (en) * 2011-03-18 2014-05-27 The United States Of America As Represented By The Secretary Of The Navy Wide area noise cancellation system and method
DE102012005814B4 (de) 2011-03-19 2014-11-20 Hochschule Mittweida (Fh) Aktive Lärmminderungseinrichtung für sich bewegende Lärmquellen
CN106469551A (zh) * 2015-08-19 2017-03-01 中兴通讯股份有限公司 一种管道降噪系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139941A1 (de) * 1971-08-10 1973-03-01 Messerschmitt Boelkow Blohm Laermabschirmung durch schallgitter
JPS60150399A (ja) * 1984-01-18 1985-08-08 Matsushita Electric Ind Co Ltd パラメトリツクアレイスピ−カ
DE3922185A1 (de) * 1989-07-06 1991-01-17 Telefonbau & Normalzeit Gmbh Anordnung einer lautsprechergruppe fuer fernsprechkonferenzen
US5315661A (en) * 1992-08-12 1994-05-24 Noise Cancellation Technologies, Inc. Active high transmission loss panel
FR2699205B1 (fr) * 1992-12-11 1995-03-10 Decaux Jean Claude Perfectionnements aux procédés et dispositifs pour protéger des bruits extérieurs un volume donné, de préférence disposé à l'intérieur d'un local.
FR2726115B1 (fr) * 1994-10-20 1996-12-06 Comptoir De La Technologie Dispositif actif d'attenuation de l'intensite sonore

Also Published As

Publication number Publication date
FR2799873B1 (fr) 2002-02-08
ATE282878T1 (de) 2004-12-15
EP1094444A1 (de) 2001-04-25
US6463156B1 (en) 2002-10-08
EP1094444B1 (de) 2004-11-17
DE60015902T2 (de) 2005-11-24
FR2799873A1 (fr) 2001-04-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee