DK0580579T3 - Støjkontrolapparat - Google Patents

Støjkontrolapparat

Info

Publication number
DK0580579T3
DK0580579T3 DK91920600T DK91920600T DK0580579T3 DK 0580579 T3 DK0580579 T3 DK 0580579T3 DK 91920600 T DK91920600 T DK 91920600T DK 91920600 T DK91920600 T DK 91920600T DK 0580579 T3 DK0580579 T3 DK 0580579T3
Authority
DK
Denmark
Prior art keywords
control device
noise control
noise
control
Prior art date
Application number
DK91920600T
Other languages
English (en)
Inventor
Khosrow Eghtesadi
William John Joseph Hoge
John Joseph Hoge William
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 DK0580579T3 publication Critical patent/DK0580579T3/da

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)
  • Circuit For Audible Band Transducer (AREA)
  • Exhaust Silencers (AREA)
DK91920600T 1991-04-19 1991-04-19 Støjkontrolapparat DK0580579T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1991/002731 WO1992019080A1 (en) 1991-04-19 1991-04-19 Improvements in and relating to transmission line loudspeakers
CA002108696A CA2108696A1 (en) 1991-04-19 1991-04-19 Improvements in and relating to transmission line loudspeakers

Publications (1)

Publication Number Publication Date
DK0580579T3 true DK0580579T3 (da) 1999-04-06

Family

ID=25676762

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91920600T DK0580579T3 (da) 1991-04-19 1991-04-19 Støjkontrolapparat

Country Status (8)

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

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2188534C (en) * 1994-05-10 2000-05-02 Scott K. Miller Active noise cancelling muffler
US6504938B1 (en) * 2000-10-06 2003-01-07 Logitech Europe S.A. Dual-chamber loudspeaker
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 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
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10848867B2 (en) 2006-02-07 2020-11-24 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
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
DK1994793T3 (da) * 2006-03-15 2015-01-12 Thomas J Danley Lydgengivelse med forbedret lavfrekvenskarakteristika
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
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
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
JP2018537910A (ja) 2015-11-16 2018-12-20 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー 表面音響変換器
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
JP2021521700A (ja) 2018-04-11 2021-08-26 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー オーディオ強化聴力保護システム
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
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 (da) * 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
DE69129664T2 (de) 1998-12-03
EP0580579B1 (en) 1998-06-24
JPH06508445A (ja) 1994-09-22
ES2118093T3 (es) 1998-09-16
DE69129664D1 (de) 1998-07-30
EP0580579A4 (en) 1994-06-15
EP0580579A1 (en) 1994-02-02
CA2108696A1 (en) 1992-10-20
HK1011163A1 (en) 1999-07-02
WO1992019080A1 (en) 1992-10-29

Similar Documents

Publication Publication Date Title
DE69330544D1 (de) Lärmkontrollegerät
DE69327885D1 (de) Lärm-Kontroll-Gerät
DK0580579T3 (da) Støjkontrolapparat
DE69111589D1 (de) Gerätesteuerung.
DE69225505D1 (de) Schwingungssteuerungsgerät
NO924651L (no) Anordning
DE69232081D1 (de) Anschlussvorrichtung
DE69225933D1 (de) Fernbedienungseinrichtung
DE59205956D1 (de) Elektrohydraulische Steuereinrichtung
DE59205284D1 (de) Fernbedienungseinrichtung
DE69212899D1 (de) Fernbedienungsvorrichtung
DK0612369T3 (da) Ventilationsindretning
DE69230681D1 (de) Automatisches Schallkontrollgerät
NO921189L (no) Todelt ostomi-anordning
DE69322368D1 (de) Steuervorrichtung
DE69208253D1 (de) Betätigunseinrichtung
DE69213687D1 (de) Blockierschutzregeleinrichtung
DE69315318D1 (de) Steuerungseinrichtung
DE69329301D1 (de) Lärmkontrollegerät
IT1267098B1 (it) Dispositivo appendi-oggetti
DE59206029D1 (de) Strömungsleitvorrichtung
DE69223332D1 (de) Motorsteuerungseinrichtung
DE69230821D1 (de) Übertragungssteuervorrichtung
DE69225349D1 (de) Steuereinheit
DE69227252D1 (de) Lärmüberwachungsgerät