EP3213530B1 - Sitzlehne mit verbesserter schallabstrahlender vorrichtung - Google Patents

Sitzlehne mit verbesserter schallabstrahlender vorrichtung Download PDF

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Publication number
EP3213530B1
EP3213530B1 EP15797133.4A EP15797133A EP3213530B1 EP 3213530 B1 EP3213530 B1 EP 3213530B1 EP 15797133 A EP15797133 A EP 15797133A EP 3213530 B1 EP3213530 B1 EP 3213530B1
Authority
EP
European Patent Office
Prior art keywords
seat back
resonator
sound
loudspeakers
headrest
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.)
Active
Application number
EP15797133.4A
Other languages
English (en)
French (fr)
Other versions
EP3213530A1 (de
Inventor
Christophe Dutot
Jean Christophe CHAMARD
Olivier SANCIER
Patrick Peylaboud
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.)
PSA Automobiles SA
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PSA Automobiles SA
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Filing date
Publication date
Application filed by PSA Automobiles SA filed Critical PSA Automobiles SA
Publication of EP3213530A1 publication Critical patent/EP3213530A1/de
Application granted granted Critical
Publication of EP3213530B1 publication Critical patent/EP3213530B1/de
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Definitions

  • the invention relates to a seat back with a loudspeaker which, thanks to an optimization of their enclosure associated with the backrest of the seat, is able to provide the occupant of the seat concerned with the vehicle with a sound of irreproachable quality.
  • the document FR2713868 describes a headrest comprising an individual sound system of proximity.
  • the headrest comprises a rigid support, a lining mounted on the support, with a bearing portion for the rear of the head of the occupant, and two sound transmission lanes, integrated in said lining of both sides.
  • the sound ducts are narrow and are extended to open opposite the ears of the occupant.
  • US2003 / 152245 shows a seatback comprising an improved sound system for an occupant, consisting of a rigid enclosure covered with a lining and supporting two sound transmission speakers on either side of the guides of the headrest rods characterized in that that the rigid enclosure includes a resonator disposed between the speakers to reduce distortion at low frequencies and broadcast quality HIFI sound.
  • this audio system can convey the compressed sound in the duct, near the ear of the occupant, but in fact the sound is not of good quality.
  • the ducts are troublesome when the occupant wants turn your head or lean to one side or the other of the seat.
  • the document FR3001929 describes a head restraint having a refined sound for an occupant, comprising a rigid support covered with a lining for supporting the rear of the occupant's head and two sound transmission louvers on either side of the occupant's head; rigid support, the rigid support comprising at least one sound box sounds from a loudspeaker.
  • the present invention aims to overcome these disadvantages by providing a seat back having an acoustic reproduction instead of the occupant able to apply indifferently to a broadcast HiFi or standard non-HiFi embedded in a restricted volume providing a high quality sound .
  • the invention provides a seat back comprising an improved sound system for an occupant, consisting of a rigid enclosure covered with a lining and supporting two sound transmission speakers on each side of the guides of the rods. headrest, the rigid enclosure comprising a resonator disposed between the speakers to reduce distortion at low frequencies and broadcast quality HiFi sound, the resonator being positioned obliquely relative to the upper surface of the backrest, s' raising from the front said backrest, and in that the outputs of the speakers are substantially square and are oriented obliquely in the same way to the resonator.
  • the resonator is placed between the guides of the head support rods.
  • the resonator is positioned obliquely at an angle of 30 degrees to a horizontal plane.
  • the resonator is a vent.
  • the resonator is a passive radiator.
  • the passive radiator is of rectangular shape.
  • the rigid enclosure consists of a central box extended on either side by conduits and by secondary boxes receiving the speakers.
  • the central box has a rectangular section whose length is arranged vertically.
  • the axes of one of the speaker mediators substantially intersect at the center of the resonator.
  • the figure 1 presents a perspective view of a head support 1 provided with a loudspeaker according to a prior art.
  • the headrest 1 considered comprises a rigid structure 2 consisting of two boxes 7, 8 assembled to create a central portion 2c made in the form of a rectangle trapezoid shell in profile view.
  • the speakers are placed in the two boxes 7, 8 extending by a sound box inside the headrest 1.
  • the large base being positioned downwards and the small base upwardly of the headrest 1.
  • the small base is connected the front and rear faces by radii of curvature.
  • Side edges 2b whose end is inclined outwards of the side walls 2a of the headrest 1, define the width of the headrest 1.
  • the side wall 2a of the headrest 1 is extended by a slight hearing 3 slightly projecting towards the bearing surface 6 of the front of the headrest 1 and extends along a curve at a certain height of the side wall 2a of the head support 1. Consecutively the slot 3a of the hearing 3 is wider at its base than at its summit, ending towards the end of the curve of the hearing 3.
  • the hearing 3 constitutes the exit of the conduit 9 from the box 7, 8. Only the gills 3 appear between the flange hubcap 4 and the central portion of the headrest 1. In this configuration, the speakers transmit the sound from the boxes 7, 8 via the sound box directly to the gills 3 facing the ears of the head of the occupa nt. It is understood that the support surface 6 of the front of the headrest 1 can not be used to place any diffuser of sound, since the head of the occupant rests on the headrest concerned.
  • the figure 2 shows a front view of the upper part of a seat back 10 comprising an improved sound device according to the invention.
  • the sound device is placed at the level of the guide tubes 12 allowing the passage of the rods of the head restraint, not mounted in the figure.
  • the guide tubes 12 of the headrests are fixed by appropriate means on the frame 13 of the backrest 10 of the seat and is flush with the lining 10a covering the backrest 10.
  • the guide tubes 12 comprise flanges 13 at their ends, the one is equipped with a system for adjusting the height of the head restraint.
  • the sound reinforcement device is shaped to be placed behind and between the guide tubes 12.
  • a resonator 20 is placed in the axis 21 between the guide tubes 12. This resonator 20 increases the performance of the sound system including strengthening the response of the speaker in the bass, while improving performance and reducing distortions.
  • the figure 3 shows a top view of an improved seat seat 10 according to the invention.
  • the box 14 integrated in the top of the backrest 10 is extended by the ducts 15 to the loudspeaker 16 whose axes 17 of one of the mediators of the speakers 16 intersect substantially at the center 22 of the resonator 20 on the axis 21.
  • the figure 4 has a profile view in section AA of the figure 2 , a seat back 10 sonor Congress perfected according to the invention.
  • the sound device is integrated into the top of the backrest 10 of the seat.
  • On the front we see the implantation of the head support guides 12, behind which is placed the box 14.
  • This box 14 which has a rectangular section whose length is oriented upwards.
  • the box is extended by visible ducts 15 figure 2 and 3 to open in the resonance boxes 18 of the speakers 16.
  • Above the casing 14 is fixed the resonator 20 oriented obliquely to the ears of the occupant of the seat.
  • the resonator 20 is positioned obliquely at an angle of 30 degrees relative to a horizontal plane 19.
  • the highs speakers 16 have an inclination substantially identical to that of the resonator 20.
  • the device can be implemented in all types of vehicle seat backs, both front seats and rear seats, or additional places.

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (9)

  1. Sitzlehne (10), umfassend eine verbesserte Schallabstrahlung für einen Fahrgast, die von einem starren Raum (11) gebildet ist, der mit einer Verkleidung (10a) überzogen ist und zwei Lautsprecher (16) zur Tonübertragung beiderseits der Führungen (12) der Stangen einer Kopfstütze trägt, wobei der starre Raum (11) einen Resonator (20) umfasst, der zwischen den Lautsprechern (16) angeordnet ist und es ermöglicht, die Verzerrung bei den unteren Frequenzen zu reduzieren und einen qualitativen HIFI-Ton zu verbreiten, wobei die Sitzlehne dadurch gekennzeichnet ist, dass der Resonator (20) schräg zur oberen Fläche der Sitzlehne (10) positioniert ist, wobei er vom vorderen Bereich der Sitzlehne (10) hochragt, und dass die Ausgänge der Lautsprecher (16) im Wesentlichen quadratisch sind und schräg auf identische Weise wie der Resonator (20) ausgerichtet sind.
  2. Sitzlehne (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Resonator (20) zwischen den Führungen der Stangen einer Kopfstütze angeordnet ist.
  3. Sitzlehne (1) nach Anspruch 2, dadurch gekennzeichnet, dass der Resonator (20) schräg in einem Winkel von 30 Grad zu einer Horizontalebene (19) angeordnet ist.
  4. Sitzlehne (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Resonator (20) ein Lüftungsschlitz ist.
  5. Sitzlehne (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Resonator (20) eine Passivmembran ist.
  6. Sitzlehne (1) nach Anspruch 5, dadurch gekennzeichnet, dass die Passivmembran (20) rechteckige Form hat.
  7. Sitzlehne (1) nach Anspruch 1, dadurch gekennzeichnet, dass der starre Raum (11) von einer zentralen Kassette (14) gebildet ist, die beiderseits von Leitungen (15) und Nebenkassetten (18) verlängert ist, die die Lautsprecher (18) aufnehmen.
  8. Sitzlehne (1) nach Anspruch 7, dadurch gekennzeichnet, dass die zentrale Kassette (14) einen rechteckigen Querschnitt hat, dessen Länge vertikal angeordnet ist.
  9. Sitzlehne (1) nach Anspruch 1, dadurch gekennzeichnet, dass sich die Achsen (17) einer der Verbindungen der Lautsprecher (16) im Wesentlichen in der Mitte des Resonators (20) kreuzen.
EP15797133.4A 2014-10-29 2015-10-28 Sitzlehne mit verbesserter schallabstrahlender vorrichtung Active EP3213530B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1460376A FR3027855B1 (fr) 2014-10-29 2014-10-29 Dossier de siege comportant un dispositif de sonorisation perfectionne
PCT/FR2015/052906 WO2016066960A1 (fr) 2014-10-29 2015-10-28 Dossier de siège comportant un dispositif de sonorisation perfectionne

Publications (2)

Publication Number Publication Date
EP3213530A1 EP3213530A1 (de) 2017-09-06
EP3213530B1 true EP3213530B1 (de) 2018-12-12

Family

ID=52423867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15797133.4A Active EP3213530B1 (de) 2014-10-29 2015-10-28 Sitzlehne mit verbesserter schallabstrahlender vorrichtung

Country Status (3)

Country Link
EP (1) EP3213530B1 (de)
FR (1) FR3027855B1 (de)
WO (1) WO2016066960A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115284990B (zh) * 2016-10-28 2024-10-22 伯斯有限公司 具有声学通道的靠背扬声器
US12043154B2 (en) * 2019-12-11 2024-07-23 Adient Us Llc Backrest for a vehicle seat

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638884A (en) * 1985-07-11 1987-01-27 Willis S. Cole Chambered headrest mounting for stereophonic loudspeakers
JPH0775579B2 (ja) * 1986-07-30 1995-08-16 マツダ株式会社 自動車のシ−ト内蔵スピ−カ
FR2620293A1 (fr) * 1987-08-20 1989-03-10 Cailleau Michel Enceinte accoustique tetiere pour automobile
FR2713868B1 (fr) * 1993-12-13 1997-05-09 Paul Lancon Tétière ou appuie-tête comprenant une sonorisation individuelle de proximité.
JP3880865B2 (ja) * 2002-02-08 2007-02-14 パイオニア株式会社 スピーカを備えた椅子
US8913777B2 (en) * 2013-02-06 2014-12-16 Bose Corporation Providing speakers in a vehicle seat
FR3001929A1 (fr) * 2013-02-11 2014-08-15 Peugeot Citroen Automobiles Sa Appuie-tete comportant une sonorisation affinee

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3213530A1 (de) 2017-09-06
WO2016066960A1 (fr) 2016-05-06
FR3027855B1 (fr) 2018-07-13
FR3027855A1 (fr) 2016-05-06

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