USRE41384E1 - Dipole speaker headrests - Google Patents
Dipole speaker headrests Download PDFInfo
- Publication number
- USRE41384E1 USRE41384E1 US12/430,617 US43061709A USRE41384E US RE41384 E1 USRE41384 E1 US RE41384E1 US 43061709 A US43061709 A US 43061709A US RE41384 E USRE41384 E US RE41384E
- Authority
- US
- United States
- Prior art keywords
- mounting
- loudspeaker
- acoustic transducer
- pathway
- opposed
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
- H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow
Definitions
- This invention relates to sound systems. It is disclosed in the context of a loudspeaker mounting for a vehicle, but is believed to be useful in other contexts as well.
- a sound reproduction unit comprises a central, head receiving portion, and opposite first and second ends having opposed front and back surfaces. Means are provided for mounting a first acoustic transducer within the first end. Further means are provided for mounting a second acoustic transducer within the second end.
- Additional means provide between the first acoustic transducer and the front surface of the first end a first acoustically substantially transparent pathway, between the first acoustic transducer and the back surface of the first end a second acoustically substantially transparent pathway, between the second acoustic transducer and the front surface of the second end a third acoustically substantially transparent pathway, and between the second acoustic transducer and the back surface of the second end a fourth acoustically substantially transparent pathway.
- the first transducer comprises a first loudspeaker having opposed first front and second rear radiating surfaces.
- the first pathway is defined between the first radiating surface and the front of the first end and the second pathway is defined between the second radiating surface and the back of the first end.
- the second transducer comprises a second loudspeaker having opposed third front and fourth rear radiating surfaces.
- the third pathway is defined between the third radiating surface and the front of the second end and the fourth pathway is defined between the fourth radiating surface and the back of the second end.
- the head receiving portion defines a first longitudinal axis and the first end defines a second longitudinal axis, and the first and second axes define between them an angle ⁇ greater than 0° and less than or equal to 90°.
- the second end defines a third longitudinal axis, and the first and third axes define between them an angle ⁇ greater than 0° and less than or equal to 90°.
- the sound reproduction unit further comprises means for mounting the unit on an automotive vehicle seat.
- FIG. 1 illustrates a perspective view of a vehicle headrest incorporating the invention
- FIG. 2 illustrates a top plan view of an aspect of a vehicle sound system incorporating headrests according to FIG. 1 in a typical passenger car layout
- FIG. 3 illustrates a side elevational view of an aspect of a vehicle sound system incorporating headrests according to FIGS. 1-2 in a typical passenger car layout.
- an automotive vehicle 18 headrest 20 for use on the driver's and front seat passenger's seats includes a central head-receiving region 22 and left and right wings 24 , 26 , respectively, which project outwardly from the opposite left and right ends 28 , 30 , respectively, of region 22 and somewhat forwardly therefrom at angles ⁇ and ⁇ to the longitudinal extent of central region 22 , 0° ⁇ 90°, 0° ⁇ 90°.
- angles ⁇ and ⁇ are illustrated as being substantially the same, these angles may be different from each other and typically are dictated by, inter alia, the internal dimensions of the vehicle 18 listening environment in accordance with the below explained principles.
- appropriate mounting(s) 32 extend(s) downwardly from the bottom 34 of central region 22 for engagement by a complementary mounting 36 in the upper back 38 of each of the driver's and front seat passenger's seats.
- the wings 24 , 26 are provided with separate moving coil loudspeakers 40 , 42 , respectively, which are mounted in appropriate baffles 43 and are coupled to the left and right channels 44 , 46 , respectively, of the sound system 48 with which the vehicle 18 is equipped by appropriate conductors 50 .
- the covering 52 with which the headrests 20 are upholstered is provided with left and right forward vents 54 , 56 , respectively, which are acoustically substantially transparent to the program material reproduced by loudspeakers 40 , 42 , as is conventional in the prior art.
- rearwardly facing left and right vents 58 , 60 also provided in headrests 20 to vent the rearward sides of loudspeakers 40 , 42 . Vents 58 , 60 are also upholstered with material which is acoustically substantially transparent to the program material being reproduced by loudspeakers 40 , 42 .
- each of the driver 62 and front seat passenger 64 will receive at his left ear 66 substantially only the signal reproduced by loudspeaker 40 and will receive at his right ear 68 substantially only the signal reproduced by loudspeaker 42 .
- the left and right rear seat passengers 69 , 71 will also, by virtue of vents 58 , 60 , receive at their left ears 66 substantially only the signals reproduced by their respective loudspeakers 40 and at their right ears 68 substantially only the signals reproduced by their loudspeakers 42 .
- These signals will be 180° out of phase with the signals from loudspeakers 40 , 42 reaching the ears 66 , 68 , respectively, of the driver 62 and front seat passenger 64 .
- passenger 70 will also be directly exposed to the separated, reproduced left loudspeaker 40 and right loudspeaker 42 signals, although these signals will be 180° out of phase with the same signals as heard by the driver 62 and front seat passenger 64 .
- the signal from the back of the left loudspeaker 40 of the front seat passenger 64 's headrest 20 will impinge upon the rear middle seat passenger 70 's right ear 68 and the signal from the back of the right loudspeaker 42 of the driver 62 's headrest 20 will impinge upon the rear middle seat passenger 70 's left ear 66 .
- the driver 62 hears the right signal, R, in his right ear 68 and the left signal L in his left ear 66 ;
- the front seat passenger 64 hears the right signal, R, in his right ear 68 and the left signal L in his left ear 66 ;
- the left and right rear passengers 69 , 71 respectively, hear the negative of the right signal, ⁇ R, in their respective right ears 68 and the negative of the left signal, ⁇ L, in their respective left ears 66 , owing to the 180° phase reversal of the back radiated signals from loudspeakers 40 , 42 .
- the rear middle seat passenger 70 will hear the negative of the right signal, ⁇ R, in his left ear 66 , and the negative of the left signal, ⁇ L, in his right ear 68 .
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/430,617 USRE41384E1 (en) | 1996-08-07 | 2009-04-27 | Dipole speaker headrests |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/693,399 US5887071A (en) | 1996-08-07 | 1996-08-07 | Dipole speaker headrests |
US12/430,617 USRE41384E1 (en) | 1996-08-07 | 2009-04-27 | Dipole speaker headrests |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/693,399 Reissue US5887071A (en) | 1996-08-07 | 1996-08-07 | Dipole speaker headrests |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE41384E1 true USRE41384E1 (en) | 2010-06-22 |
Family
ID=24784489
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/693,399 Ceased US5887071A (en) | 1996-08-07 | 1996-08-07 | Dipole speaker headrests |
US12/430,617 Expired - Lifetime USRE41384E1 (en) | 1996-08-07 | 2009-04-27 | Dipole speaker headrests |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/693,399 Ceased US5887071A (en) | 1996-08-07 | 1996-08-07 | Dipole speaker headrests |
Country Status (8)
Country | Link |
---|---|
US (2) | US5887071A (en) |
EP (1) | EP0988771B1 (en) |
JP (1) | JP3760447B2 (en) |
AU (1) | AU717216B2 (en) |
BR (1) | BR9711821A (en) |
CA (1) | CA2262927A1 (en) |
DE (2) | DE69726766T2 (en) |
WO (1) | WO1998006232A1 (en) |
Cited By (4)
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US20090257616A1 (en) * | 2008-04-15 | 2009-10-15 | Sony Corporation | Speaker system |
US20100254557A1 (en) * | 2009-04-06 | 2010-10-07 | Creative Technology Ltd | Sound reproduction apparatus for varying sound transmission and a corresponding method thereof |
US9428090B2 (en) * | 2014-08-07 | 2016-08-30 | Bose Corporation | Headrest with speakers and method for manufacturing headrest cushion member |
US10994643B2 (en) | 2017-08-04 | 2021-05-04 | Harman International Industries, Incorporated | Headrest with speakers |
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DE19751920A1 (en) * | 1997-11-22 | 1999-05-27 | Pvt Praezisions Verbindungstec | Electroacoustic transducer |
US7853025B2 (en) * | 1999-08-25 | 2010-12-14 | Lear Corporation | Vehicular audio system including a headliner speaker, electromagnetic transducer assembly for use therein and computer system programmed with a graphic software control for changing the audio system's signal level and delay |
US7050593B1 (en) * | 1999-08-25 | 2006-05-23 | Lear Corporation | Vehicular audio system and electromagnetic transducer assembly for use therein |
US7424127B1 (en) | 2000-03-21 | 2008-09-09 | Bose Corporation | Headrest surround channel electroacoustical transducing |
US6804565B2 (en) * | 2001-05-07 | 2004-10-12 | Harman International Industries, Incorporated | Data-driven software architecture for digital sound processing and equalization |
US7684577B2 (en) * | 2001-05-28 | 2010-03-23 | Mitsubishi Denki Kabushiki Kaisha | Vehicle-mounted stereophonic sound field reproducer |
US6571907B2 (en) | 2001-09-11 | 2003-06-03 | The Jennings Company | Portable acoustic hearing enhancement device |
JP4019952B2 (en) * | 2002-01-31 | 2007-12-12 | 株式会社デンソー | Sound output device |
JP3880865B2 (en) * | 2002-02-08 | 2007-02-14 | パイオニア株式会社 | Chair with speaker |
US7218745B2 (en) * | 2002-12-23 | 2007-05-15 | Lear Corporation | Headliner transducer covers |
US7077405B2 (en) * | 2003-01-17 | 2006-07-18 | Stacie Akpom | Stroller with CD player |
US7553288B2 (en) * | 2003-03-10 | 2009-06-30 | Cohen Daniel E | Sound and vibration transmission pad and system |
US8668045B2 (en) * | 2003-03-10 | 2014-03-11 | Daniel E. Cohen | Sound and vibration transmission pad and system |
US9949004B2 (en) * | 2003-03-10 | 2018-04-17 | Daniel E. Cohen | Sound and vibration transmission device |
WO2006109389A1 (en) * | 2005-03-30 | 2006-10-19 | Pioneer Corporation | Seat with built-in speaker and personal sound field system |
JP4935091B2 (en) * | 2005-05-13 | 2012-05-23 | ソニー株式会社 | Sound reproduction method and sound reproduction system |
US7607512B2 (en) * | 2005-08-23 | 2009-10-27 | Ronald Paul Harwood | Speaker assembly for a structural pole and a method for mounting same |
US7688992B2 (en) * | 2005-09-12 | 2010-03-30 | Richard Aylward | Seat electroacoustical transducing |
US8090116B2 (en) * | 2005-11-18 | 2012-01-03 | Holmi Douglas J | Vehicle directional electroacoustical transducing |
JP4359779B2 (en) * | 2006-01-23 | 2009-11-04 | ソニー株式会社 | Sound reproduction apparatus and sound reproduction method |
JP2007251895A (en) * | 2006-03-20 | 2007-09-27 | Clarion Co Ltd | Acoustic device incorporated in vehicle seat |
JP4802824B2 (en) * | 2006-04-04 | 2011-10-26 | トヨタ自動車株式会社 | Noise control structure |
US8483413B2 (en) * | 2007-05-04 | 2013-07-09 | Bose Corporation | System and method for directionally radiating sound |
US20080273722A1 (en) * | 2007-05-04 | 2008-11-06 | Aylward J Richard | Directionally radiating sound in a vehicle |
US8325936B2 (en) * | 2007-05-04 | 2012-12-04 | Bose Corporation | Directionally radiating sound in a vehicle |
US8724827B2 (en) * | 2007-05-04 | 2014-05-13 | Bose Corporation | System and method for directionally radiating sound |
US9555890B2 (en) * | 2009-10-02 | 2017-01-31 | Dennis A Tracy | Loudspeaker system |
US9950793B2 (en) | 2009-10-02 | 2018-04-24 | Dennis A Tracy | Loudspeaker system |
PL2599332T3 (en) | 2010-07-30 | 2022-01-03 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Vehicle with sound wave reflector |
US9088842B2 (en) | 2013-03-13 | 2015-07-21 | Bose Corporation | Grille for electroacoustic transducer |
US9327628B2 (en) | 2013-05-31 | 2016-05-03 | Bose Corporation | Automobile headrest |
US9699537B2 (en) | 2014-01-14 | 2017-07-04 | Bose Corporation | Vehicle headrest with speakers |
US9440566B2 (en) * | 2014-12-05 | 2016-09-13 | Bose Corporation | Lightweight acoustic enclosures |
CN105188003B (en) * | 2015-09-30 | 2018-09-11 | 歌尔股份有限公司 | A kind of loud speaker module |
US9967672B2 (en) | 2015-11-11 | 2018-05-08 | Clearmotion Acquisition I Llc | Audio system |
US10052990B2 (en) | 2016-01-25 | 2018-08-21 | Ford Global Technologies, Llc | Extended seatback module head restraint attachment |
US10035442B2 (en) | 2016-01-25 | 2018-07-31 | Ford Global Technologies, Llc | Adjustable upper seatback module |
US9776543B2 (en) | 2016-01-25 | 2017-10-03 | Ford Global Technologies, Llc | Integrated independent thigh supports |
US9756408B2 (en) * | 2016-01-25 | 2017-09-05 | Ford Global Technologies, Llc | Integrated sound system |
US10239432B2 (en) * | 2016-03-17 | 2019-03-26 | Bose Corporation | Acoustic output through headrest wings |
CN110049901B (en) * | 2016-10-28 | 2022-09-06 | 伯斯有限公司 | Back speaker with acoustic channel |
US10715895B2 (en) | 2017-04-20 | 2020-07-14 | Dennis A. Tracy | Loudspeaker system |
GB201721127D0 (en) * | 2017-12-18 | 2018-01-31 | Pss Belgium Nv | Dipole loudspeaker for producing sound at bass frequencies |
JPWO2019124149A1 (en) | 2017-12-20 | 2020-12-24 | ソニー株式会社 | Audio equipment |
US10926678B2 (en) * | 2017-12-21 | 2021-02-23 | Bose Corporation | Headrest speakers with asymmetric radiation patterns |
DE112019000390T5 (en) * | 2018-01-12 | 2020-09-17 | Sony Corporation | ACOUSTIC DEVICE |
GB201805523D0 (en) | 2018-04-04 | 2018-05-16 | Pss Belgium Nv | Loudspeaker unit |
US20200247295A1 (en) * | 2019-02-04 | 2020-08-06 | GM Global Technology Operations LLC | Vehicle head restraint incorporating speakers |
US11535136B2 (en) * | 2019-03-08 | 2022-12-27 | Harman International Industries, Incorporated | Headrest with integrated nose and loudspeaker enclosure |
GB201907267D0 (en) * | 2019-05-23 | 2019-07-10 | Pss Belgium Nv | Loudspeaker |
DE102019218889A1 (en) | 2019-12-04 | 2021-06-10 | Lear Corporation | Sound system |
KR102359742B1 (en) * | 2020-05-15 | 2022-02-08 | 박재범 | Element for chair comprising multi channel sound system for chair and chair comprising the same |
KR102378865B1 (en) * | 2020-06-16 | 2022-03-25 | 박재범 | Element implementing multi channel sound system for chair and chair comprising the same |
WO2022039539A1 (en) * | 2020-08-21 | 2022-02-24 | 박재범 | Chair provided with multi-channel sound system |
CN112770221A (en) * | 2020-12-26 | 2021-05-07 | 王鑫洪 | Personal sound system and application thereof |
WO2023083711A1 (en) * | 2021-11-10 | 2023-05-19 | Pss Belgium Nv | Loudspeaker assembly for headrest |
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-
1996
- 1996-08-07 US US08/693,399 patent/US5887071A/en not_active Ceased
-
1997
- 1997-07-09 DE DE69726766T patent/DE69726766T2/en not_active Expired - Lifetime
- 1997-07-09 CA CA002262927A patent/CA2262927A1/en not_active Abandoned
- 1997-07-09 AU AU35993/97A patent/AU717216B2/en not_active Ceased
- 1997-07-09 JP JP50791498A patent/JP3760447B2/en not_active Expired - Lifetime
- 1997-07-09 EP EP97932565A patent/EP0988771B1/en not_active Expired - Lifetime
- 1997-07-09 DE DE0988771T patent/DE988771T1/en active Pending
- 1997-07-09 BR BR9711821-4A patent/BR9711821A/en not_active Application Discontinuation
- 1997-07-09 WO PCT/US1997/011958 patent/WO1998006232A1/en active IP Right Grant
-
2009
- 2009-04-27 US US12/430,617 patent/USRE41384E1/en not_active Expired - Lifetime
Patent Citations (70)
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Cited By (6)
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US20090257616A1 (en) * | 2008-04-15 | 2009-10-15 | Sony Corporation | Speaker system |
US8130987B2 (en) * | 2008-04-15 | 2012-03-06 | Sony Corporation | Speaker system with a plurality of openings in side walls of each of two speaker boxes |
US20100254557A1 (en) * | 2009-04-06 | 2010-10-07 | Creative Technology Ltd | Sound reproduction apparatus for varying sound transmission and a corresponding method thereof |
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US9428090B2 (en) * | 2014-08-07 | 2016-08-30 | Bose Corporation | Headrest with speakers and method for manufacturing headrest cushion member |
US10994643B2 (en) | 2017-08-04 | 2021-05-04 | Harman International Industries, Incorporated | Headrest with speakers |
Also Published As
Publication number | Publication date |
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US5887071A (en) | 1999-03-23 |
EP0988771A1 (en) | 2000-03-29 |
JP3760447B2 (en) | 2006-03-29 |
DE988771T1 (en) | 2001-01-11 |
WO1998006232A1 (en) | 1998-02-12 |
EP0988771A4 (en) | 2002-05-08 |
CA2262927A1 (en) | 1998-02-12 |
AU717216B2 (en) | 2000-03-23 |
JP2000515700A (en) | 2000-11-21 |
DE69726766T2 (en) | 2004-06-03 |
EP0988771B1 (en) | 2003-12-10 |
DE69726766D1 (en) | 2004-01-22 |
AU3599397A (en) | 1998-02-25 |
BR9711821A (en) | 1999-08-31 |
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