CA2108696A1 - Ameliorations pour enceintes acoustiques a labyrinthe - Google Patents

Ameliorations pour enceintes acoustiques a labyrinthe

Info

Publication number
CA2108696A1
CA2108696A1 CA002108696A CA2108696A CA2108696A1 CA 2108696 A1 CA2108696 A1 CA 2108696A1 CA 002108696 A CA002108696 A CA 002108696A CA 2108696 A CA2108696 A CA 2108696A CA 2108696 A1 CA2108696 A1 CA 2108696A1
Authority
CA
Canada
Prior art keywords
drain
back chamber
chamber
loudspeaker
transmission line
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
CA002108696A
Other languages
English (en)
Inventor
Khosrow Eghtesadi
William John Joseph Hoge
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.)
Noise Cancellation Technologies Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA002108696A priority Critical patent/CA2108696A1/fr
Priority to DK91920600T priority patent/DK0580579T3/da
Priority to PCT/US1991/002731 priority patent/WO1992019080A1/fr
Priority to EP91920600A priority patent/EP0580579B1/fr
Priority to DE69129664T priority patent/DE69129664T2/de
Priority to ES91920600T priority patent/ES2118093T3/es
Priority to JP3518527A priority patent/JPH06508445A/ja
Publication of CA2108696A1 publication Critical patent/CA2108696A1/fr
Priority to HK98112067A priority patent/HK1011163A1/xx
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
  • Circuit For Audible Band Transducer (AREA)
CA002108696A 1991-04-19 1991-04-19 Ameliorations pour enceintes acoustiques a labyrinthe Abandoned CA2108696A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA002108696A CA2108696A1 (fr) 1991-04-19 1991-04-19 Ameliorations pour enceintes acoustiques a labyrinthe
DK91920600T DK0580579T3 (da) 1991-04-19 1991-04-19 Støjkontrolapparat
PCT/US1991/002731 WO1992019080A1 (fr) 1991-04-19 1991-04-19 Perfectionnements apportes aux haut-parleurs a ligne de transmission
EP91920600A EP0580579B1 (fr) 1991-04-19 1991-04-19 Dispositif de suppression de bruit
DE69129664T DE69129664T2 (de) 1991-04-19 1991-04-19 Vorrichtung zur geräuschunterdrückung
ES91920600T ES2118093T3 (es) 1991-04-19 1991-04-19 Aparato de control del ruido.
JP3518527A JPH06508445A (ja) 1991-04-19 1991-04-19 伝送管路拡声器に関する改良
HK98112067A HK1011163A1 (en) 1991-04-19 1998-11-17 Noise controller apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002108696A CA2108696A1 (fr) 1991-04-19 1991-04-19 Ameliorations pour enceintes acoustiques a labyrinthe
PCT/US1991/002731 WO1992019080A1 (fr) 1991-04-19 1991-04-19 Perfectionnements apportes aux haut-parleurs a ligne de transmission

Publications (1)

Publication Number Publication Date
CA2108696A1 true CA2108696A1 (fr) 1992-10-20

Family

ID=25676762

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002108696A Abandoned CA2108696A1 (fr) 1991-04-19 1991-04-19 Ameliorations pour enceintes acoustiques a labyrinthe

Country Status (8)

Country Link
EP (1) EP0580579B1 (fr)
JP (1) JPH06508445A (fr)
CA (1) CA2108696A1 (fr)
DE (1) DE69129664T2 (fr)
DK (1) DK0580579T3 (fr)
ES (1) ES2118093T3 (fr)
HK (1) HK1011163A1 (fr)
WO (1) WO1992019080A1 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030393A1 (fr) * 1994-05-10 1995-11-16 Noise Cancellation Technologies, Inc. Attenuateur acoustique actif
US6504938B1 (en) * 2000-10-06 2003-01-07 Logitech Europe S.A. Dual-chamber loudspeaker
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
EP1994793B1 (fr) * 2006-03-15 2014-10-08 Thomas J. Danley Reproduction sonore avec caracteristiques en basse frequence ameliorees
DE102011084567C5 (de) * 2011-10-14 2019-08-14 Eberspächer Exhaust Technology GmbH & Co. KG Aktiver Schalldämpfer
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9479861B2 (en) * 2014-06-26 2016-10-25 Anthony Allen BISSET Compact wideband bass and midrange horn-loaded speaker system
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
US9906867B2 (en) 2015-11-16 2018-02-27 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
CA3096877A1 (fr) 2018-04-11 2019-10-17 Bongiovi Acoustics Llc Systeme de protection de l'ouie ameliore par l'audio
WO2020028833A1 (fr) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc Système, procédé et appareil pour générer et traiter numériquement une fonction de transfert audio liée à la tête
CN113504663B (zh) * 2021-07-23 2023-04-25 歌尔科技有限公司 发声模组、发声模组的消声方法和智能眼镜

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031801A (fr) * 1973-07-20 1975-03-28
JPS5789393A (en) * 1980-11-17 1982-06-03 Bose Corp Controller for low end response for loudspeaker system
US4473906A (en) * 1980-12-05 1984-09-25 Lord Corporation Active acoustic attenuator
US4549631A (en) * 1983-10-24 1985-10-29 Bose Corporation Multiple porting loudspeaker systems
US4616731A (en) * 1984-03-02 1986-10-14 Robinson James R Speaker system
US4665549A (en) * 1985-12-18 1987-05-12 Nelson Industries Inc. Hybrid active silencer
US4875546A (en) * 1988-06-02 1989-10-24 Teledyne Industries, Inc. Loudspeaker with acoustic band-pass filter
JPH0787628B2 (ja) * 1989-02-22 1995-09-20 株式会社ケンウッド 低音再生用スピーカシステム
US5025885A (en) * 1989-07-14 1991-06-25 Bose Corporation Multiple chamber loudspeaker system
JP4862491B2 (ja) * 2005-05-25 2012-01-25 東レ株式会社 植毛用パイルおよび植毛製品

Also Published As

Publication number Publication date
EP0580579A1 (fr) 1994-02-02
DE69129664D1 (de) 1998-07-30
HK1011163A1 (en) 1999-07-02
EP0580579A4 (en) 1994-06-15
WO1992019080A1 (fr) 1992-10-29
DK0580579T3 (da) 1999-04-06
ES2118093T3 (es) 1998-09-16
JPH06508445A (ja) 1994-09-22
EP0580579B1 (fr) 1998-06-24
DE69129664T2 (de) 1998-12-03

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued