JP5173381B2 - 音響導波モードの制御 - Google Patents
音響導波モードの制御 Download PDFInfo
- Publication number
- JP5173381B2 JP5173381B2 JP2007311233A JP2007311233A JP5173381B2 JP 5173381 B2 JP5173381 B2 JP 5173381B2 JP 2007311233 A JP2007311233 A JP 2007311233A JP 2007311233 A JP2007311233 A JP 2007311233A JP 5173381 B2 JP5173381 B2 JP 5173381B2
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- JP
- Japan
- Prior art keywords
- waveguide
- acoustic
- mode
- driver
- open
- 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 - Fee Related
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- 230000005236 sound signal Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
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Images
Classifications
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- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only using transducers reproducing the same frequency band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- 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
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Optical Integrated Circuits (AREA)
- Circuit For Audible Band Transducer (AREA)
Description
12 音響ドライバ
14 導波路
16,18,20 開端
22 閉端
Claims (9)
- 二つの開端を有する第一音響導波路と、
第二音響導波路と、
第一放射面が前記第一導波路内に放射し、第二放射面が前記第二導波路内に放射するように配置されている第一及び第二放射面を有する音響ドライバとを備え、
前記第一導波路の前記二つの開端は共通の出口を共有する、音響装置。 - 前記第一導波路は前記第二導波路を取り囲む請求項1に記載の音響装置。
- 第一放射面が前記第一導波路内に音響エネルギーを放射するように配置されている第一及び第二放射面を有する第二音響ドライバを更に備えた請求項1に記載の音響装置。
- 前記第二音響ドライバは、該第二音響ドライバの前記第二放射面が前記第二導波路内に放射するように配置されている請求項3に記載の音響装置。
- 前記第二音響ドライバは、該第二音響ドライバの前記第二放射面が第三導波路内に放射するように配置されている請求項3に記載の音響装置。
- 共通の出口を共有する二つの開端を有する音響導波路と、
一つの放射面が前記導波路内に放射し、第二放射面が第二音響導波路内に放射するように配置されている二つの放射面を有する音響ドライバとを備えた音響装置。 - 前記音響導波路は第二音響導波路を取り囲む請求項6に記載の音響装置。
- 前記音響導波路は第三音響導波路を取り囲む請求項7に記載の音響装置。
- 前記第二音響導波路及び前記第三音響導波路は共通の開口部を共有する請求項8に記載の音響装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/852,903 | 2007-09-27 | ||
US11/852,903 US7886869B2 (en) | 2007-09-27 | 2007-09-27 | Acoustic waveguide mode controlling |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012206674A Division JP5538502B2 (ja) | 2007-09-27 | 2012-09-20 | 音響導波モードの制御 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009089342A JP2009089342A (ja) | 2009-04-23 |
JP5173381B2 true JP5173381B2 (ja) | 2013-04-03 |
Family
ID=40506916
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007311233A Expired - Fee Related JP5173381B2 (ja) | 2007-09-27 | 2007-11-30 | 音響導波モードの制御 |
JP2012206674A Expired - Fee Related JP5538502B2 (ja) | 2007-09-27 | 2012-09-20 | 音響導波モードの制御 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012206674A Expired - Fee Related JP5538502B2 (ja) | 2007-09-27 | 2012-09-20 | 音響導波モードの制御 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7886869B2 (ja) |
EP (1) | EP2196036A2 (ja) |
JP (2) | JP5173381B2 (ja) |
CN (1) | CN101810008B (ja) |
WO (1) | WO2009042383A2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8002078B2 (en) * | 2009-02-19 | 2011-08-23 | Bose Corporation | Acoustic waveguide vibration damping |
DE102013012889B4 (de) | 2013-08-02 | 2016-01-21 | Drazenko Sukalo | Ventiliertes Lautsprechergehäuse mit unterdrückten Raummoden |
US9049517B2 (en) | 2013-09-10 | 2015-06-02 | Bose Corporation | Transmission line loudspeaker |
US9473848B2 (en) | 2013-09-10 | 2016-10-18 | Bose Corporation | Transmission line loudspeaker |
NL2011583C2 (en) * | 2013-10-10 | 2015-04-13 | Wwinn B V | Module, system and method for detecting acoustical failure of a sound source. |
CN108353224B (zh) * | 2015-09-17 | 2020-04-24 | 伯斯有限公司 | 声学设备 |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1291790B (de) | 1966-12-24 | 1969-04-03 | Knoedler Gottlob | Lautsprecherbox mit einem oder mehreren Lautsprechern |
US4077023A (en) * | 1976-11-26 | 1978-02-28 | Bell Telephone Laboratories, Incorporated | Elastic waveguide |
JPS59196690A (ja) | 1983-04-22 | 1984-11-08 | Mitsubishi Electric Corp | スピ−カ装置 |
JPH0733509Y2 (ja) * | 1988-03-16 | 1995-07-31 | 株式会社ケンウッド | 低音域再生用スピーカシステム |
JPH02203699A (ja) * | 1989-02-02 | 1990-08-13 | Sony Corp | スピーカシステム |
JPH02205199A (ja) * | 1989-02-03 | 1990-08-15 | Sony Corp | スピーカシステム |
JP2724230B2 (ja) * | 1990-01-23 | 1998-03-09 | パイオニア株式会社 | ホーン型スピーカ |
US5150417A (en) * | 1991-02-25 | 1992-09-22 | Socon Ab | Bass reflex type speaker system |
US5177329A (en) * | 1991-05-29 | 1993-01-05 | Hughes Aircraft Company | High efficiency low frequency speaker system |
JPH0541896A (ja) * | 1991-08-05 | 1993-02-19 | Onkyo Corp | 低音再生スピーカ装置 |
AU6176394A (en) | 1993-02-25 | 1994-09-14 | Ralph D. Heinz | Multiple-driver single horn loudspeaker |
US5374124A (en) * | 1993-04-06 | 1994-12-20 | Cass Audio, Inc. | Multi-compound isobarik loudspeaker system |
US6278789B1 (en) * | 1993-05-06 | 2001-08-21 | Bose Corporation | Frequency selective acoustic waveguide damping |
US5343535A (en) * | 1993-05-07 | 1994-08-30 | Marshall Ronald N | Loudspeaker device |
JP3410206B2 (ja) * | 1994-04-18 | 2003-05-26 | パイオニア株式会社 | スピーカ装置 |
US5792072A (en) * | 1994-06-06 | 1998-08-11 | University Of Washington | System and method for measuring acoustic reflectance |
US5594174A (en) * | 1994-06-06 | 1997-01-14 | University Of Washington | System and method for measuring acoustic reflectance |
JPH0934472A (ja) * | 1995-07-18 | 1997-02-07 | Shinko Electric Co Ltd | 消音装置 |
US5813998A (en) * | 1996-02-28 | 1998-09-29 | Hewlett-Packard Company | Method and system for coupling acoustic energy using an end-fire array |
FR2770364B3 (fr) | 1997-10-28 | 2000-04-07 | Frederic Ivaldi | Enceinte acoustique tubulaire |
US6038326A (en) * | 1998-01-28 | 2000-03-14 | Czerwinski; Eugene J. | Loudspeaker and horn with an additional transducer |
CA2349856A1 (en) | 1998-11-06 | 2000-05-18 | Graham Bank | Loudspeakers comprising a phase uncorrelated diffuse sound source |
US7426280B2 (en) * | 2001-01-02 | 2008-09-16 | Bose Corporation | Electroacoustic waveguide transducing |
GB2391739A (en) | 2002-08-09 | 2004-02-11 | Indrek Hilpus | Speaker enclosure attenuates rear waves through destructive interference of the divided and then recombined wavefront |
US7676047B2 (en) * | 2002-12-03 | 2010-03-09 | Bose Corporation | Electroacoustical transducing with low frequency augmenting devices |
US7133533B2 (en) * | 2003-07-21 | 2006-11-07 | Bose Corporation | Passive acoustic radiating |
US20070092096A1 (en) * | 2003-07-21 | 2007-04-26 | Roman Litovsky | Passive acoustical radiating |
WO2005029916A1 (en) * | 2003-09-12 | 2005-03-31 | Nucore, Inc. | Loudspeaker enclosure |
US7584820B2 (en) * | 2004-03-19 | 2009-09-08 | Bose Corporation | Acoustic radiating |
-
2007
- 2007-09-27 US US11/852,903 patent/US7886869B2/en active Active
- 2007-11-30 JP JP2007311233A patent/JP5173381B2/ja not_active Expired - Fee Related
-
2008
- 2008-09-09 CN CN2008801091782A patent/CN101810008B/zh not_active Expired - Fee Related
- 2008-09-09 EP EP08832881A patent/EP2196036A2/en not_active Withdrawn
- 2008-09-09 WO PCT/US2008/075686 patent/WO2009042383A2/en active Application Filing
-
2012
- 2012-09-20 JP JP2012206674A patent/JP5538502B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2009042383A3 (en) | 2009-07-16 |
CN101810008A (zh) | 2010-08-18 |
US20090084625A1 (en) | 2009-04-02 |
JP2009089342A (ja) | 2009-04-23 |
JP2013031214A (ja) | 2013-02-07 |
US7886869B2 (en) | 2011-02-15 |
WO2009042383A2 (en) | 2009-04-02 |
CN101810008B (zh) | 2013-03-27 |
JP5538502B2 (ja) | 2014-07-02 |
EP2196036A2 (en) | 2010-06-16 |
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