DK0615648T3 - Aktiv støjstyring i en indkapsling med en flerhed af transducere - Google Patents

Aktiv støjstyring i en indkapsling med en flerhed af transducere

Info

Publication number
DK0615648T3
DK0615648T3 DK92905531T DK92905531T DK0615648T3 DK 0615648 T3 DK0615648 T3 DK 0615648T3 DK 92905531 T DK92905531 T DK 92905531T DK 92905531 T DK92905531 T DK 92905531T DK 0615648 T3 DK0615648 T3 DK 0615648T3
Authority
DK
Denmark
Prior art keywords
enclosure
transducers
active noise
noise control
channels
Prior art date
Application number
DK92905531T
Other languages
English (en)
Inventor
Loughlin Michael P Mc
Khoscrow Eghtesadi
Dexter Smith
Eldon W Ziegler Jr
Original Assignee
Noise Cancellation Tech
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 Noise Cancellation Tech filed Critical Noise Cancellation Tech
Application granted granted Critical
Publication of DK0615648T3 publication Critical patent/DK0615648T3/da

Links

Classifications

    • 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
    • G10K11/1783Methods 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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • G10K11/17833Methods 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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
    • 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
    • G10K11/1785Methods, e.g. algorithms; Devices
    • G10K11/17861Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
    • 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
    • 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
    • G10K2210/105Appliances, e.g. washing machines or dishwashers
    • G10K2210/1054Refrigerators
    • 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
    • G10K2210/106Boxes, i.e. active box covering a noise source; Enclosures
    • 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
    • G10K2210/3216Cancellation means disposed in the vicinity of the source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Exhaust Silencers (AREA)
  • Noise Elimination (AREA)
  • Amplifiers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DK92905531T 1991-12-02 1991-12-02 Aktiv støjstyring i en indkapsling med en flerhed af transducere DK0615648T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1991/008772 WO1993011529A1 (en) 1991-12-02 1991-12-02 Active noise control of an enclosure with multiple transducers

Publications (1)

Publication Number Publication Date
DK0615648T3 true DK0615648T3 (da) 1999-11-01

Family

ID=22225986

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92905531T DK0615648T3 (da) 1991-12-02 1991-12-02 Aktiv støjstyring i en indkapsling med en flerhed af transducere

Country Status (7)

Country Link
EP (1) EP0615648B1 (da)
JP (1) JPH07504991A (da)
AT (1) ATE179273T1 (da)
CA (1) CA2124183C (da)
DE (1) DE69131170T2 (da)
DK (1) DK0615648T3 (da)
WO (1) WO1993011529A1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0645004A4 (en) * 1992-06-10 1996-05-08 Noise Cancellation Tech HOUSING WITH ACTIVE ACOUSTIC CONTROL.
US8054984B2 (en) 2006-10-16 2011-11-08 Bsh Home Appliances Corporation Sound altering apparatus
CA2606442A1 (en) * 2006-10-16 2008-04-16 Bsh Home Appliances Corporation Sound altering apparatus
DE102008038751B3 (de) * 2008-08-12 2010-04-15 Fresenius Medical Care Deutschland Gmbh Umkehrosmoseanlage mit einer Vorrichtung zur Geräuschminderung sowie Verfahren zur Geräuschminderung einer Umkehrosmoseanlage
DE102009024343A1 (de) 2009-06-09 2010-12-16 Rohde & Schwarz Gmbh & Co. Kg Elektronisches Gerät mit Geräuschunterdrückungssystem
CN105139861B (zh) * 2015-08-24 2018-08-17 昆明科林科技工程有限公司 一种用于工业噪声治理的有源降噪方法及装置
US10957300B2 (en) 2016-12-13 2021-03-23 Halliburton Energy Services, Inc. Reducing far-field noise produced by well operations
US10789936B2 (en) 2016-12-29 2020-09-29 Halliburton Energy Services, Inc. Active noise control for hydraulic fracturing equipment
WO2022225495A1 (en) * 2021-04-21 2022-10-27 Sariaslan Esra Method for reducing noise in machines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665549A (en) * 1985-12-18 1987-05-12 Nelson Industries Inc. Hybrid active silencer
GB2204916B (en) * 1987-05-19 1991-10-16 British Gas Plc A silencer
DE68911112T2 (de) * 1988-02-19 1994-05-26 Noise Cancellation Tech Abgasschalldämpfer-anlage für brennkraftmaschnine.
JPH083395B2 (ja) * 1988-09-30 1996-01-17 株式会社東芝 冷却装置の消音装置

Also Published As

Publication number Publication date
JPH07504991A (ja) 1995-06-01
CA2124183A1 (en) 1993-06-10
DE69131170T2 (de) 1999-11-18
EP0615648A1 (en) 1994-09-21
EP0615648B1 (en) 1999-04-21
WO1993011529A1 (en) 1993-06-10
ATE179273T1 (de) 1999-05-15
EP0615648A4 (en) 1995-04-19
CA2124183C (en) 1996-08-27
DE69131170D1 (de) 1999-05-27

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