DE69918502D1 - Elektroakustischer Wandler mit Wellenleiter - Google Patents

Elektroakustischer Wandler mit Wellenleiter

Info

Publication number
DE69918502D1
DE69918502D1 DE69918502T DE69918502T DE69918502D1 DE 69918502 D1 DE69918502 D1 DE 69918502D1 DE 69918502 T DE69918502 T DE 69918502T DE 69918502 T DE69918502 T DE 69918502T DE 69918502 D1 DE69918502 D1 DE 69918502D1
Authority
DE
Germany
Prior art keywords
waveguide
electroacoustic transducer
electroacoustic
transducer
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.)
Expired - Lifetime
Application number
DE69918502T
Other languages
English (en)
Other versions
DE69918502T2 (de
Inventor
Jeffrey Hoefler
John H Wendell
Robert P Parker
Thomas A Froeschle
William P Schreiber
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.)
Bose Corp
Original Assignee
Bose 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 Bose Corp filed Critical Bose Corp
Application granted granted Critical
Publication of DE69918502D1 publication Critical patent/DE69918502D1/de
Publication of DE69918502T2 publication Critical patent/DE69918502T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Waveguide Aerials (AREA)
DE1999618502 1998-09-03 1999-08-27 Elektroakustischer Wandler mit Wellenleiter Expired - Lifetime DE69918502T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US146662 1998-09-03
US09/146,662 US6771787B1 (en) 1998-09-03 1998-09-03 Waveguide electroacoustical transducing

Publications (2)

Publication Number Publication Date
DE69918502D1 true DE69918502D1 (de) 2004-08-12
DE69918502T2 DE69918502T2 (de) 2004-11-18

Family

ID=22518408

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999618502 Expired - Lifetime DE69918502T2 (de) 1998-09-03 1999-08-27 Elektroakustischer Wandler mit Wellenleiter

Country Status (6)

Country Link
US (3) US6771787B1 (de)
EP (2) EP1284585B1 (de)
JP (1) JP4417489B2 (de)
CN (2) CN101026895B (de)
DE (1) DE69918502T2 (de)
HK (1) HK1108265A1 (de)

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US7457425B2 (en) * 2001-02-09 2008-11-25 Thx Ltd. Vehicle sound system
FR2824990B1 (fr) * 2001-05-15 2003-09-26 Jean Pierre Morkerken Emetteur de son et haut-parleur
DE60332371D1 (de) * 2002-07-12 2010-06-10 Oticon As Suspensionsmittel für einen wandler
ATE439011T1 (de) * 2002-10-10 2009-08-15 Nokia Corp Schallerzeugungsvorrichtung, mobile elektrische einrichtung und system zum erzeugen von schall
US7676047B2 (en) 2002-12-03 2010-03-09 Bose Corporation Electroacoustical transducing with low frequency augmenting devices
US7218747B2 (en) * 2003-12-05 2007-05-15 Nick Huffman Externally ported loudspeaker enclosure
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US7606383B2 (en) * 2005-10-05 2009-10-20 Qsc Audio Products, Inc. Curved line array loudspeaker
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US8295526B2 (en) * 2008-02-21 2012-10-23 Bose Corporation Low frequency enclosure for video display devices
US8615097B2 (en) 2008-02-21 2013-12-24 Bose Corportion Waveguide electroacoustical transducing
US8351629B2 (en) * 2008-02-21 2013-01-08 Robert Preston Parker Waveguide electroacoustical transducing
US8351630B2 (en) * 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
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US8002078B2 (en) * 2009-02-19 2011-08-23 Bose Corporation Acoustic waveguide vibration damping
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US8401216B2 (en) * 2009-10-27 2013-03-19 Saab Sensis Corporation Acoustic traveling wave tube system and method for forming and propagating acoustic waves
US8265310B2 (en) * 2010-03-03 2012-09-11 Bose Corporation Multi-element directional acoustic arrays
US8553894B2 (en) 2010-08-12 2013-10-08 Bose Corporation Active and passive directional acoustic radiating
CN102883252A (zh) * 2011-07-14 2013-01-16 上海一诺仪表有限公司 超声波换能器锥体形超波导振动子
US9204211B2 (en) 2011-12-16 2015-12-01 Avnera Corporation Pad-type device case providing enhanced audio functionality and output
US9173018B2 (en) 2012-06-27 2015-10-27 Bose Corporation Acoustic filter
RU2680423C2 (ru) 2013-03-13 2019-02-21 ТиЭйчИкс ЛТД Акустическая система узкого профиля
US9754578B2 (en) 2014-01-09 2017-09-05 Dolby Laboratories Licensing Corporation Loudspeaker horn and cabinet
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
WO2017196631A1 (en) * 2016-05-10 2017-11-16 Bose Corporation Acoustic device
US9749735B1 (en) * 2016-07-06 2017-08-29 Bose Corporation Waveguide
DE102017214404B4 (de) * 2017-08-18 2023-12-28 Audi Ag Lautsprecheranordnung und Fahrzeug
WO2019107781A1 (en) 2017-11-28 2019-06-06 Samsung Electronics Co., Ltd. Loudspeaker and sound outputting apparatus having the same
GB2590656A (en) 2019-12-23 2021-07-07 Gp Acoustics International Ltd Loudspeakers

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US6374120B1 (en) * 1999-02-16 2002-04-16 Denso Corporation Acoustic guide for audio transducers
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Also Published As

Publication number Publication date
EP0984662B1 (de) 2004-07-07
HK1108265A1 (en) 2008-05-02
US6771787B1 (en) 2004-08-03
EP1284585B1 (de) 2011-10-05
EP0984662A2 (de) 2000-03-08
US7623670B2 (en) 2009-11-24
JP4417489B2 (ja) 2010-02-17
CN101026895A (zh) 2007-08-29
DE69918502T2 (de) 2004-11-18
US20050036642A1 (en) 2005-02-17
JP2000092583A (ja) 2000-03-31
EP1284585A1 (de) 2003-02-19
CN1258185A (zh) 2000-06-28
EP0984662A3 (de) 2001-04-11
CN101026895B (zh) 2014-01-29
US20100092019A1 (en) 2010-04-15

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Legal Events

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8364 No opposition during term of opposition