CA2606442A1 - Sound altering apparatus - Google Patents

Sound altering apparatus Download PDF

Info

Publication number
CA2606442A1
CA2606442A1 CA002606442A CA2606442A CA2606442A1 CA 2606442 A1 CA2606442 A1 CA 2606442A1 CA 002606442 A CA002606442 A CA 002606442A CA 2606442 A CA2606442 A CA 2606442A CA 2606442 A1 CA2606442 A1 CA 2606442A1
Authority
CA
Canada
Prior art keywords
sound
producing device
electric
piezoelectric foil
signal
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.)
Abandoned
Application number
CA002606442A
Other languages
English (en)
French (fr)
Inventor
Uwe Klossowski
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.)
BSH Home Appliances Corp
Original Assignee
BSH Home Appliances 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
Priority claimed from US11/581,904 external-priority patent/US8054984B2/en
Application filed by BSH Home Appliances Corp filed Critical BSH Home Appliances Corp
Publication of CA2606442A1 publication Critical patent/CA2606442A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/005—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion using electro- or magnetostrictive actuation means
    • 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
    • G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • 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
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
    • 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
    • G10K2210/105—Appliances, e.g. washing machines or dishwashers
    • G10K2210/1054—Refrigerators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CA002606442A 2006-10-16 2007-10-12 Sound altering apparatus Abandoned CA2606442A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/581,904 US8054984B2 (en) 2006-10-16 2006-10-16 Sound altering apparatus
US11/581,904 2006-10-16
DE102006060033A DE102006060033A1 (de) 2006-10-16 2006-12-19 Geräuschveränderungsvorrichtung
DE102006060033.9 2006-12-19

Publications (1)

Publication Number Publication Date
CA2606442A1 true CA2606442A1 (en) 2008-04-16

Family

ID=39314389

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002606442A Abandoned CA2606442A1 (en) 2006-10-16 2007-10-12 Sound altering apparatus

Country Status (2)

Country Link
CA (1) CA2606442A1 (de)
WO (1) WO2008046815A2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10486162B2 (en) 2014-11-03 2019-11-26 Emerson Electric Co. Food waste disposer noise reduction using active noise control
CN111878667A (zh) * 2020-06-23 2020-11-03 陕西津阳水处理股份有限公司 一种具有散热功能的冷冻机用降噪设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010002126A1 (de) 2010-02-18 2011-08-18 BSH Bosch und Siemens Hausgeräte GmbH, 81739 Geschirrspülmaschine mit mindestens einer passiven und mit mindestens einer aktiven Geräuschreduzierungseinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE179273T1 (de) * 1991-12-02 1999-05-15 Noise Cancellation Tech Aktive lärmverminderung in einem gehäuse mit hilfe einer vielzahl von wandlern
US5692053A (en) * 1992-10-08 1997-11-25 Noise Cancellation Technologies, Inc. Active acoustic transmission loss box
JP3456691B2 (ja) * 1997-11-25 2003-10-14 理化学研究所 可変吸音装置
DE19822582B4 (de) * 1998-05-20 2004-02-12 Eads Deutschland Gmbh Aktive Geräuschunterdrückung für lärmabstrahlende Flächen
US7539459B2 (en) * 2004-04-02 2009-05-26 Edwards Vacuum, Inc. Active noise cancellation system, arrangement, and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10486162B2 (en) 2014-11-03 2019-11-26 Emerson Electric Co. Food waste disposer noise reduction using active noise control
CN111878667A (zh) * 2020-06-23 2020-11-03 陕西津阳水处理股份有限公司 一种具有散热功能的冷冻机用降噪设备

Also Published As

Publication number Publication date
WO2008046815A3 (de) 2009-10-29
WO2008046815A2 (de) 2008-04-24

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Legal Events

Date Code Title Description
EEER Examination request
EEER Examination request

Effective date: 20110914

FZDE Dead

Effective date: 20150310