DE69425022D1 - Frequenzselektive Dämpfung für akustischen Wellenleiter - Google Patents
Frequenzselektive Dämpfung für akustischen WellenleiterInfo
- Publication number
- DE69425022D1 DE69425022D1 DE69425022T DE69425022T DE69425022D1 DE 69425022 D1 DE69425022 D1 DE 69425022D1 DE 69425022 T DE69425022 T DE 69425022T DE 69425022 T DE69425022 T DE 69425022T DE 69425022 D1 DE69425022 D1 DE 69425022D1
- Authority
- DE
- Germany
- Prior art keywords
- frequency selective
- acoustic waveguide
- selective attenuation
- attenuation
- waveguide
- 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
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
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)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/058,478 US6278789B1 (en) | 1993-05-06 | 1993-05-06 | Frequency selective acoustic waveguide damping |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69425022D1 true DE69425022D1 (de) | 2000-08-03 |
DE69425022T2 DE69425022T2 (de) | 2000-11-23 |
Family
ID=22017052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69425022T Expired - Lifetime DE69425022T2 (de) | 1993-05-06 | 1994-05-03 | Frequenzselektive Dämpfung für akustischen Wellenleiter |
Country Status (5)
Country | Link |
---|---|
US (1) | US6278789B1 (de) |
EP (1) | EP0624045B1 (de) |
JP (1) | JP3792263B2 (de) |
CN (1) | CN1082780C (de) |
DE (1) | DE69425022T2 (de) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2770733A1 (fr) * | 1997-10-31 | 1999-05-07 | Thomson Television Angers Sa | Enceinte acoustique amelioree |
FR2770734B1 (fr) * | 1997-10-31 | 2002-12-13 | Thomson Television Angers Sa | Enceinte acoustique amelioree |
US6771787B1 (en) * | 1998-09-03 | 2004-08-03 | Bose Corporation | Waveguide electroacoustical transducing |
GB2380091B (en) * | 2001-09-21 | 2005-03-30 | B & W Loudspeakers | Loudspeaker system |
US6648098B2 (en) * | 2002-02-08 | 2003-11-18 | Bose Corporation | Spiral acoustic waveguide electroacoustical transducing system |
US7463744B2 (en) | 2003-10-31 | 2008-12-09 | Bose Corporation | Porting |
GB0328639D0 (en) * | 2003-12-10 | 2004-01-14 | Mitel Networks Corp | Loudspeaker enclosure incorporating a leak to compensate for the effect of acoustic modes on loudspeaker frequency response |
EP1571873A1 (de) * | 2004-03-01 | 2005-09-07 | Thomson Licensing S.A. | Akustisches System |
US7565948B2 (en) | 2004-03-19 | 2009-07-28 | Bose Corporation | Acoustic waveguiding |
US7584820B2 (en) * | 2004-03-19 | 2009-09-08 | Bose Corporation | Acoustic radiating |
JP4306627B2 (ja) * | 2005-03-09 | 2009-08-05 | ソニー株式会社 | バスレフ型スピーカー装置,スピーカーボックス及び画像表示装置 |
US7549509B2 (en) * | 2005-04-21 | 2009-06-23 | Ingersoll-Rand Company | Double throat pulsation dampener for a compressor |
CN1889791B (zh) * | 2005-06-28 | 2010-12-15 | 宋行智 | 被动式连续可变阻尼装置 |
EP1816273A1 (de) | 2006-02-01 | 2007-08-08 | FEI Company | Gehäuse für die akustische Isolierung eines Geräts in besagtem Gehäuse |
GB2435729B (en) * | 2006-03-03 | 2009-06-03 | Mark Treanor | A speaker |
US7689197B2 (en) * | 2006-12-22 | 2010-03-30 | Bose Corporation | Portable audio system with docking cradle |
US8103035B2 (en) | 2006-12-22 | 2012-01-24 | Bose Corporation | Portable audio system having waveguide structure |
US7886869B2 (en) * | 2007-09-27 | 2011-02-15 | Kevin Bastyr | Acoustic waveguide mode controlling |
EP2208357A4 (de) * | 2007-10-22 | 2012-11-14 | David Maeshiba | Akustisches system |
US8295526B2 (en) * | 2008-02-21 | 2012-10-23 | Bose Corporation | Low frequency enclosure for video display devices |
US8351629B2 (en) * | 2008-02-21 | 2013-01-08 | Robert Preston Parker | Waveguide electroacoustical transducing |
US8345909B2 (en) * | 2008-04-03 | 2013-01-01 | Bose Corporation | Loudspeaker assembly |
US8351630B2 (en) * | 2008-05-02 | 2013-01-08 | Bose Corporation | Passive directional acoustical radiating |
US8002078B2 (en) * | 2009-02-19 | 2011-08-23 | Bose Corporation | Acoustic waveguide vibration damping |
US8066095B1 (en) * | 2009-09-24 | 2011-11-29 | Nicholas Sheppard Bromer | Transverse waveguide |
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 |
EP2604045B1 (de) * | 2010-08-12 | 2015-07-08 | Bose Corporation | Aktive und passive akustische Richtstrahlung |
US8275164B1 (en) | 2010-10-07 | 2012-09-25 | Nguyen Thach T | Speaker enclosures |
US20120247866A1 (en) * | 2011-03-31 | 2012-10-04 | Lage Antonio M | Acoustic Noise Reducing |
US20130076511A1 (en) * | 2011-09-28 | 2013-03-28 | Utc Fire & Security Corporation | Resonator design for detectors and sounders |
US9204211B2 (en) | 2011-12-16 | 2015-12-01 | Avnera Corporation | Pad-type device case providing enhanced audio functionality and output |
USD721352S1 (en) | 2012-06-19 | 2015-01-20 | Sonos, Inc. | Playback device |
USD721061S1 (en) | 2013-02-25 | 2015-01-13 | Sonos, Inc. | Playback device |
USD883956S1 (en) | 2014-08-13 | 2020-05-12 | Sonos, Inc. | Playback device |
US9451355B1 (en) | 2015-03-31 | 2016-09-20 | Bose Corporation | Directional acoustic device |
US10057701B2 (en) | 2015-03-31 | 2018-08-21 | Bose Corporation | Method of manufacturing a loudspeaker |
USD768602S1 (en) | 2015-04-25 | 2016-10-11 | Sonos, Inc. | Playback device |
USD886765S1 (en) | 2017-03-13 | 2020-06-09 | Sonos, Inc. | Media playback device |
USD920278S1 (en) | 2017-03-13 | 2021-05-25 | Sonos, Inc. | Media playback device with lights |
USD906278S1 (en) | 2015-04-25 | 2020-12-29 | Sonos, Inc. | Media player device |
US20170085972A1 (en) | 2015-09-17 | 2017-03-23 | Sonos, Inc. | Media Player and Media Player Design |
USD827671S1 (en) | 2016-09-30 | 2018-09-04 | Sonos, Inc. | Media playback device |
US10412473B2 (en) | 2016-09-30 | 2019-09-10 | Sonos, Inc. | Speaker grill with graduated hole sizing over a transition area for a media device |
USD851057S1 (en) | 2016-09-30 | 2019-06-11 | Sonos, Inc. | Speaker grill with graduated hole sizing over a transition area for a media device |
US10348351B2 (en) * | 2016-12-23 | 2019-07-09 | Adrian Rivera | Smart phone acoustic enhancer |
US10299032B2 (en) | 2017-09-11 | 2019-05-21 | Apple Inc. | Front port resonator for a speaker assembly |
JP7135463B2 (ja) | 2018-06-08 | 2022-09-13 | ヤマハ株式会社 | スピーカ |
US11317178B2 (en) * | 2019-07-12 | 2022-04-26 | Clay Allison | Low-frequency spiral waveguide speaker |
US11451902B1 (en) | 2021-05-07 | 2022-09-20 | Apple Inc. | Speaker with vented resonator |
US11490190B1 (en) | 2021-05-07 | 2022-11-01 | Apple Inc. | Speaker with multiple resonators |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB447749A (en) | 1934-10-17 | 1936-05-18 | Paul Gustavus Adolphus Helmuth | Improvements in means for converting electrical energy into sound |
US2905259A (en) | 1957-05-31 | 1959-09-22 | Joseph D Carrabino | Tubular speaker housing |
US3393766A (en) | 1966-05-18 | 1968-07-23 | American District Telegraph Co | Speaker system |
DE1291790B (de) | 1966-12-24 | 1969-04-03 | Knoedler Gottlob | Lautsprecherbox mit einem oder mehreren Lautsprechern |
US3517390A (en) | 1968-02-29 | 1970-06-23 | Layne Whitehead | High power acoustic radiator |
US3867996A (en) | 1973-11-21 | 1975-02-25 | Modular Sound Systems Inc | Speaker enclosure |
US3993162A (en) | 1975-06-20 | 1976-11-23 | Kenneth Juuti | Acoustic speaker system |
US4164988A (en) | 1976-08-25 | 1979-08-21 | Admiral Corporation | Fine tuned, column speaker system |
DE3028610A1 (de) * | 1980-07-28 | 1982-02-25 | Interconti Industriekontor Gmbh, 7100 Heilbronn | Anordnung fuer die zusaetzliche wiedergabe von tiefen frequenzen in einer rundfunkempfangsanlage fuer stereofonische wiedergabe in einem kraftfahrzeug |
HU186101B (en) | 1982-08-05 | 1985-06-28 | Peter Albert | Sound radiator without effect of acoustic short circuit of the loadspeakers |
US4628528A (en) * | 1982-09-29 | 1986-12-09 | Bose Corporation | Pressure wave transducing |
DE3637910A1 (de) * | 1986-11-06 | 1988-05-19 | Joachim Weckler | Lautsprechergehaeuse |
US4930596A (en) * | 1987-06-16 | 1990-06-05 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker system |
US4837837A (en) * | 1987-11-05 | 1989-06-06 | Taddeo Anthony R | Loudspeaker |
US5170435A (en) | 1990-06-28 | 1992-12-08 | Bose Corporation | Waveguide electroacoustical transducing |
US5373564A (en) * | 1992-10-02 | 1994-12-13 | Spear; Robert J. | Transmission line for planar waves |
-
1993
- 1993-05-06 US US08/058,478 patent/US6278789B1/en not_active Expired - Lifetime
-
1994
- 1994-05-03 EP EP94303192A patent/EP0624045B1/de not_active Expired - Lifetime
- 1994-05-03 DE DE69425022T patent/DE69425022T2/de not_active Expired - Lifetime
- 1994-05-06 JP JP09425894A patent/JP3792263B2/ja not_active Expired - Lifetime
- 1994-05-06 CN CN94104789A patent/CN1082780C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0624045A1 (de) | 1994-11-09 |
JPH07131879A (ja) | 1995-05-19 |
CN1101201A (zh) | 1995-04-05 |
JP3792263B2 (ja) | 2006-07-05 |
CN1082780C (zh) | 2002-04-10 |
US6278789B1 (en) | 2001-08-21 |
EP0624045B1 (de) | 2000-06-28 |
DE69425022T2 (de) | 2000-11-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |