MY125833A - Wall cavity microphone turbulence shield - Google Patents

Wall cavity microphone turbulence shield

Info

Publication number
MY125833A
MY125833A MYPI98002303A MYPI9802303A MY125833A MY 125833 A MY125833 A MY 125833A MY PI98002303 A MYPI98002303 A MY PI98002303A MY PI9802303 A MYPI9802303 A MY PI9802303A MY 125833 A MY125833 A MY 125833A
Authority
MY
Malaysia
Prior art keywords
cavity
wall cavity
cavity microphone
duct
turbulence shield
Prior art date
Application number
MYPI98002303A
Other languages
English (en)
Inventor
Duane C Mc Cormick
James T Rainey
Mark A Daniels
Shau-Tak R Chou
Original Assignee
Carrier Corp
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 Carrier Corp filed Critical Carrier Corp
Publication of MY125833A publication Critical patent/MY125833A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1787—General system configurations
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods 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
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1082—Microphones, e.g. systems using "virtual" microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/109—Compressors, e.g. fans
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/112—Ducts
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/50—Miscellaneous
    • G10K2210/507—Flow or turbulence

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Duct Arrangements (AREA)
  • Air Conditioning Control Device (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Exhaust Silencers (AREA)
MYPI98002303A 1997-06-06 1998-05-23 Wall cavity microphone turbulence shield MY125833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87102097A 1997-06-06 1997-06-06

Publications (1)

Publication Number Publication Date
MY125833A true MY125833A (en) 2006-08-30

Family

ID=25356543

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI98002303A MY125833A (en) 1997-06-06 1998-05-23 Wall cavity microphone turbulence shield

Country Status (10)

Country Link
EP (1) EP0883104B1 (de)
JP (1) JP2878275B2 (de)
KR (1) KR100344595B1 (de)
CN (1) CN1138084C (de)
AU (1) AU740156B2 (de)
BR (1) BR9801773A (de)
DE (1) DE69837900T2 (de)
ES (1) ES2286842T3 (de)
MY (1) MY125833A (de)
SG (1) SG77636A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5570522B2 (ja) * 2009-11-02 2014-08-13 三菱電機株式会社 空気調和機の室外機
DE102012212843A1 (de) 2012-07-23 2014-01-23 Behr Gmbh & Co. Kg Klimagerät
FR2996342A1 (fr) * 2012-10-02 2014-04-04 Peugeot Citroen Automobiles Sa Systeme de reduction du bruit d'un climatiseur
JP6617286B2 (ja) * 2015-09-30 2019-12-11 パナソニックＩｐマネジメント株式会社 送風装置
JP6689218B2 (ja) 2017-02-02 2020-04-28 株式会社東芝 電子装置および方法
JP6902105B2 (ja) * 2017-10-03 2021-07-14 富士フイルム株式会社 消音管状構造体
KR20200021813A (ko) * 2018-08-21 2020-03-02 한온시스템 주식회사 차량용 공조장치
KR102644103B1 (ko) * 2019-01-29 2024-03-06 한온시스템 주식회사 차량용 공조장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8603678D0 (en) * 1986-02-14 1986-03-19 Gen Electric Co Plc Active noise control
US5457749A (en) * 1990-04-09 1995-10-10 Noise Cancellation Technologies, Inc. Electronic muffler
US5377275A (en) * 1992-07-29 1994-12-27 Kabushiki Kaisha Toshiba Active noise control apparatus
AU1907995A (en) * 1993-12-30 1995-08-01 Bolt Beranek And Newman Inc. Active muffler
DE4421803C2 (de) * 1994-06-22 1997-11-20 Stn Atlas Elektronik Gmbh Vorrichtung zur aktiven Schalldämpfung
US5606622A (en) * 1994-09-29 1997-02-25 The Boeing Company Active noise control in a duct with highly turbulent airflow
DE19526098C1 (de) * 1995-07-18 1996-09-12 Stn Atlas Elektronik Gmbh Verfahren zur Maximierung der Dämpfungswirkung einer Vorrichtung zur aktiven Geräuschdämpfung
FR2740599B1 (fr) * 1995-10-30 1997-12-19 Technofirst Dispositif d'attenuation acoustique active destine a etre dispose a l'interieur d'un conduit, en particulier pour l'insonorisation de reseau de ventilation et/ou de climatisation
US5808243A (en) * 1996-08-30 1998-09-15 Carrier Corporation Multistage turbulence shield for microphones

Also Published As

Publication number Publication date
CN1138084C (zh) 2004-02-11
AU6996098A (en) 1998-12-10
KR100344595B1 (ko) 2002-09-18
KR19990006719A (ko) 1999-01-25
DE69837900T2 (de) 2008-02-14
JP2878275B2 (ja) 1999-04-05
EP0883104A2 (de) 1998-12-09
DE69837900D1 (de) 2007-07-26
EP0883104A3 (de) 2001-09-12
ES2286842T3 (es) 2007-12-01
EP0883104B1 (de) 2007-06-13
SG77636A1 (en) 2001-01-16
AU740156B2 (en) 2001-11-01
CN1202592A (zh) 1998-12-23
BR9801773A (pt) 1999-07-13
JPH10339499A (ja) 1998-12-22

Similar Documents

Publication Publication Date Title
AU2002251906A1 (en) Compressor system
GB897760A (en) Combined space lighting and ventilating apparatus
CA2202954A1 (en) Low moisture/closed door broil oven ventilation system
MY125833A (en) Wall cavity microphone turbulence shield
CA2195055A1 (en) Convertible dual direct-vented fireplace
MY116152A (en) Microwave oven having filtered air exhaust passages
CA2202447A1 (en) Heat-radiation structure of electronic-unit box
MX9603059A (es) Acondicionador de aire auto-contenido del tipo montado en pared.
ATE280931T1 (de) Lüfter
MY128957A (en) Air treatment system
FI20010313A (fi) Refleksikaiutinrakenne ja menetlemä sen muodostamiseksi
MY110399A (en) Loudspeaker system
JPS5779253A (en) Inhaled air muffler
WO2003036772A1 (fr) Centre de commande
JPS5634041A (en) Ductless device for discharging factory exhaust gas
JPS56146938A (en) Air conditioner
SU712598A1 (ru) Устройство дл глушени аэродинамического шума
JPS5749100A (en) Double suction type fan
SE8904348L (sv) Rumsventilator
JPS5211521A (en) Construction of a front body of automobiles
SU527568A1 (ru) Вентил ционно-осветительное устройство фортификационного сооружени
PL322359A1 (en) Bus of lowered emission level of sounds carried through air
KR970014590U (ko) 공기조화기의 토출덕트
IT1242528B (it) Compressore centrifugo
CA2471101A1 (en) Air treatment system