WO2010016208A1 - Haut-parleur, et procédé de fabrication et dispositif de fabrication pour celui-ci - Google Patents

Haut-parleur, et procédé de fabrication et dispositif de fabrication pour celui-ci Download PDF

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Publication number
WO2010016208A1
WO2010016208A1 PCT/JP2009/003639 JP2009003639W WO2010016208A1 WO 2010016208 A1 WO2010016208 A1 WO 2010016208A1 JP 2009003639 W JP2009003639 W JP 2009003639W WO 2010016208 A1 WO2010016208 A1 WO 2010016208A1
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WO
WIPO (PCT)
Prior art keywords
yoke
frame
guide
speaker
voice coil
Prior art date
Application number
PCT/JP2009/003639
Other languages
English (en)
Japanese (ja)
Inventor
矢野博
榎本光高
佐野浩司
川邊昌志
伊藤哲
Original Assignee
パナソニック株式会社
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
Priority claimed from JP2008203992A external-priority patent/JP2010041548A/ja
Priority claimed from JP2008203991A external-priority patent/JP5326412B2/ja
Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2010016208A1 publication Critical patent/WO2010016208A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts

Definitions

  • the present invention relates to a speaker used in various audio equipment and video equipment, a manufacturing method thereof, and a manufacturing apparatus thereof.
  • ⁇ Parts such as magnetic circuit parts and vibration parts are assembled using different jigs in different processes. Since the voice coil is inserted between the plate and the yoke without using a jig, it is difficult to narrow the gap between the voice coil and the plate or the gap between the voice coil and the yoke. is there. In addition, a speaker for molding these components requires a costly manufacturing apparatus such as a mold.
  • the speaker manufacturing apparatus includes first to third guide portions.
  • the frame is guided by the first guide portion and placed on the manufacturing apparatus.
  • the yoke is guided by the second guide portion to couple the frame and the yoke.
  • the plate to which the magnet is joined is guided by the second guide portion to couple the magnet and the yoke.
  • the voice coil is guided by the third guide portion, and the voice coil is placed on the manufacturing apparatus. Connect the voice coil and the diaphragm. Connect the frame and the diaphragm. Thereafter, the frame, yoke, plate, magnet, voice coil, and diaphragm are extracted from the manufacturing apparatus.
  • This manufacturing method can narrow the gap between the speaker plate and the yoke, can manufacture the speaker with a good yield, and can reduce the manufacturing cost.
  • FIG. 4A is a top view of the yoke of the speaker according to Embodiment 1.
  • FIG. 4B is a side view of the yoke shown in FIG. 4A.
  • 4C is a front view of the yoke shown in FIG. 4A.
  • FIG. 5A is a top view of the speaker plate according to Embodiment 1.
  • FIG. 5B is a side view of the plate shown in FIG. 5A.
  • FIG. 5C is a front view of the plate shown in FIG. 5A.
  • 6A is a top view of the voice coil of the speaker according to Embodiment 1.
  • FIG. 6B is a side view of the voice coil shown in FIG. 6A.
  • 6C is a front view of the voice coil shown in FIG. 6A.
  • FIG. 7 is a top view of the diaphragm of the speaker according to the first embodiment.
  • 8A is a top view of the protector of the speaker according to Embodiment 1.
  • FIG. 8B is a side view of the protector shown in FIG. 8A.
  • FIG. 8C is a front view of the protector shown in FIG. 8A.
  • 9A is a top view of the speaker manufacturing apparatus according to Embodiment 1.
  • FIG. 9B is a side view of the manufacturing apparatus shown in FIG. 9A.
  • FIG. 9C is a front view of the manufacturing apparatus shown in FIG. 9A.
  • FIG. 9A is a top view of the speaker manufacturing apparatus according to Embodiment 1.
  • FIG. 9B is a side view of the manufacturing apparatus shown in FIG. 9A.
  • FIG. 9C is a front view of the manufacturing
  • FIG. 10 is a top view of the manufacturing apparatus shown in FIG. 9A.
  • FIG. 11 is an enlarged view of the manufacturing apparatus shown in FIG. 9A.
  • FIG. 12 is a top view of the yoke of the speaker according to Embodiment 2 of the present invention.
  • FIG. 13 is a top view of a speaker plate according to the second embodiment.
  • FIG. 14A is a top view of the speaker manufacturing apparatus according to the second embodiment.
  • 14B is a front view of the manufacturing apparatus shown in FIG. 14A.
  • FIG. 15 is an exploded perspective view of the speaker according to the third embodiment.
  • 16A is a top view of the manufacturing apparatus shown in FIG. 16B is a side view of the manufacturing apparatus shown in FIG. 16C is a front view of the manufacturing apparatus shown in FIG.
  • FIG. 17 is an enlarged view of the manufacturing apparatus shown in FIG. 16A.
  • 18 is an enlarged view of the manufacturing apparatus shown in FIG. 16A.
  • FIG. 1A is an exploded perspective view of a speaker 1 according to Embodiment 1 of the present invention.
  • FIG. 1B is a cross-sectional view of the main part of the speaker 1.
  • the speaker 1 includes a frame 2, a yoke 3, a magnet 4, a plate 5, a voice coil 6, a diaphragm 7, and a protector 8.
  • the yoke 3 is mounted in the frame 2.
  • the lower surface of the magnet 4 is bonded onto the yoke 3, and the lower surface of the plate 5 is bonded to the upper surface of the magnet 4.
  • a jig 10 that is a manufacturing apparatus for manufacturing the speaker 1 includes a pedestal 100 ⁇ / b> A having a mounting surface 100 and mounting portions 11 and 12 provided on the mounting surface 100. Each component of the speaker 1 is guided by the mounting portions 11 and 12. The speaker 1 is elongated in the longitudinal direction 1B.
  • 2A, 2B, 2C, 2D, and 2E are a rear view, a side view, a top view, a front view, and a bottom view of the frame 2, respectively.
  • the side view of the opposite side of the frame 2 shown in FIG. 2B is the same as FIG. 2B.
  • 3A is a cross-sectional view of the frame 2 taken along line 3A-3A shown in FIG. 2C.
  • 3B is a cross-sectional view taken along line 3B-3B of frame 2 shown in FIG. 2C.
  • 3B is a cross-sectional view taken along line 3C-3C of frame 2 shown in FIG. 2C.
  • the frame 2 is made of resin and has a substantially rectangular parallelepiped shape as shown in FIGS. 2A to 2E.
  • the outer surface 23 of the frame 2 has portions 23A and 23B in the longitudinal direction 1B and portions 23C and 23D perpendicular to the longitudinal direction 1B.
  • the portions 23C and 23D of the outer surface 23 are shorter than the portions 23A and 23B. Therefore, the frame 2 has a rectangular shape having a long side composed of the portions 23A and 23B and a short side composed of the portions 23C and 23D. .
  • the frame 2 has lock claws 24A and 24B provided on the portions 23A and 23B of the outer surface 23, respectively, as shown in FIGS. 2A and 2D.
  • the frame 2 has lock portions 25A and 25B provided on the portions 21A and 21B of the inner surface 21, respectively.
  • the lock portion 25A has lock claws 26A and 26B.
  • the lock portion 25A has a locking portion 28A provided at the tip of the lock claw 26A and a locking portion 28B provided at the tip of the lock claw 26B.
  • the lock portion 25B includes lock claws 26C and 26D, and locking portions 28C and 28D provided at the tips of the lock claws 26C and 26D, respectively.
  • the yoke 3 has a guide body portion 31 that protrudes from the end portions 203E and 203F of the bottom plate 203, as shown in FIG. 4A.
  • the guide body portion 31 has convex portions 31A and 31B protruding from the end portions 203E and 203F, respectively.
  • the yoke 3 includes a side wall 32A extending upward from the end portions 203C and 203D of the bottom plate 203, and a side wall 32B provided on the front side portion of the long side portion.
  • the magnet 4 has a rectangular parallelepiped shape that is elongated in the longitudinal direction 1B, as shown in FIG. 1A.
  • the upper surface and the lower surface of the magnet 4 have a substantially rectangular shape that is elongated in the longitudinal direction.
  • the plate 5A, 5B, and 5C are a top view, a side view, and a front view of the plate 5, respectively.
  • the plate 5 has a substantially rectangular parallelepiped shape extending elongated in the longitudinal direction 1B. As shown in FIGS. 5A and 5C, the plate 5 has ends 205C and 205D that are elongated in the longitudinal direction 1B, and ends 205E and 205F that extend perpendicular to the longitudinal direction 1B and are shorter than the ends 205C and 205D.
  • a substrate 205 is provided. As described above, the plate 5, that is, the substrate 205 has a rectangular shape having a long side formed by the end portions 205C and 205D and a short side formed by the end portions 205E and 105F.
  • the upper surface 205A and the lower surface 205B of the plate 5, that is, the substrate 205 have a rectangular shape.
  • the lower surface 205B of the plate 5 and the upper surface of the magnet 4 have substantially the same rectangular shape
  • the plate 5 has a guide body portion 51 protruding from the end portions 205E and 205F.
  • the guide body 51 has convex portions 51A and 51B that protrude from the end portions 205E and 205F, respectively.
  • the convex portion 51 ⁇ / b> A has the same shape as the convex portion 31 ⁇ / b> A of the yoke 3.
  • the protrusion 51B has the same shape as the protrusion 31B of the yoke 3 when viewed from above.
  • the spacing between the convex portions 51A and 51B is the same as the spacing between the convex portions 31A and 31B of the yoke 3. As shown in FIG.
  • the end portion 205C of the plate 5 faces the side wall 32A of the yoke 3 via the magnetic gap 301A, and the end portion 205D faces the side wall 32B of the yoke 3 via the magnetic gap 301B. Yes.
  • the voice coil 6A, 6B, and 6C are a top view, a side view, and a front view of the voice coil 6, respectively.
  • the voice coil 6 is composed of a single conducting wire wound so as to form a gap 61 at the center.
  • the voice coil 6 has a track shape that is elongated in the longitudinal direction 1B when viewed from above. That is, the track shape of the voice coil 6 includes linear straight portions 62A and 62B extending in the longitudinal direction 1B and curved end portions 63A and 63B connecting the linear portions 62A and 62B.
  • the voice coil 6 has a height t1 from the lower surface 6B to the upper surface 6A.
  • FIG. 7 is a top view of the diaphragm 7.
  • the diaphragm 7 has a track shape that is elongated in the longitudinal direction 1B.
  • the outer peripheral portion 71 of the diaphragm 7 has the same track shape as the track shape of the mounting portion 29 of the frame 2.
  • the diaphragm 7 has an inner peripheral portion 72 having the same track shape as that of the voice coil 6.
  • the protector 8 has side walls 218A and 218B extending downward from the ends 208C and 208D, respectively.
  • the protector 8 includes lock portions 81A and 81B provided on the side walls 28A and 218B, respectively.
  • the lock portion 81A is provided with a hole 181A in which the lock claw 24A of the frame 2 is hooked.
  • the lock portion 81B is provided with a hole 181B in which the lock claw 24B of the frame 2 is hooked.
  • the protector 8 covers the diaphragm 7 and protects the diaphragm 7.
  • the jig 10 includes a pedestal 100A having a mounting surface 100 that is a plane, and guide portions 101, 102, and 103.
  • the guide unit 101 will be described.
  • the guide part 101 has convex parts 101 ⁇ / b> A and 101 ⁇ / b> B that protrude upward from the placement surface 100.
  • the convex portions 101A and 101B have outer peripheral portions 101L and 101M that are in contact with the placement surface 100, respectively.
  • the outer peripheral portions 101L and 101M have portions 101N and 101P that face each other.
  • FIG. 10 is an enlarged top view of the mounting portion 11.
  • the outer peripheral portion 101L of the convex portion 101A includes a portion 101N facing the convex portion 101B and a portion 101C.
  • a portion 101C of the outer peripheral portion 101L includes a portion 101D on the opposite side of the portion 101N, and portions 101E and 101F on the opposite side connected to the portions 101C and 101L.
  • the portions 101E and 101F extend along the longitudinal direction 1B.
  • a portion 101C of the outer peripheral portion 101L of the convex portion 101A has the same shape as the shape of the end portion 22A of the inner surface 21 of the frame 2.
  • FIG. 11 is an enlarged top view of the mounting portion 12.
  • the outer peripheral portion 101M of the convex portion 101B is composed of a portion 101P facing the convex portion 101A and a portion 101G.
  • a portion 101G of the outer peripheral portion 101M includes a portion 101H on the opposite side of the portion 101P and portions 101J and 101K on the opposite sides connected to the portions 101H and 101P.
  • the portions 101J and 101K extend in the longitudinal direction 1B.
  • a portion 101G of the outer peripheral portion 101M of the convex portion 101B has the same shape as the end portion 22B of the inner side surface 21 of the frame 2.
  • the distance L2 between the portions 101E and 101F of the outer peripheral portion 101L of the convex portion 101A is the same as the length in the direction perpendicular to the longitudinal direction 1B of the portion 21C of the inner surface 21 of the frame 2.
  • the length L2 of the portion 101H of the outer peripheral portion 101M of the convex portion 101B is the same as the length of the portion 21D of the inner side surface 21 of the frame 2.
  • the distance L2 between the portions 101J and 101K of the outer peripheral portion 101M of the convex portion 101B is the same as the length of the portion 21D of the inner surface 21 of the frame 2.
  • the guide portion 103 includes a convex portion 103A that protrudes upward from the upper surface 601A of the convex portion 101A, and a convex portion 103B that protrudes upward from the upper surface 601B of the convex portion 101B.
  • the convex portion 103A has a height t2 from the upper surface 601A of the convex portion 101A to the upper surface 603B of the convex portion 103A.
  • the convex portion 103B also has a height t2 from the upper surface 601B of the convex portion 101B to the upper surface 603B of the convex portion 103B. That is, the guide part 103 has a height t ⁇ b> 2 from the upper surface of the guide part 101 to the upper surface of the guide part 103.
  • the height t2 of the guide portion 103 is smaller than the height t1 of the voice coil 6.
  • a jig 10 which is a manufacturing apparatus having guide portions 101 to 103 is prepared.
  • the voice coil 6 is guided by the guide portion 103 constituted by the convex portions 103A and 103B provided on the jig 10, and placed on the upper surfaces 601A and 601B of the guide portion 101.
  • the end portion 63A of the voice coil 6 is fitted into the convex portion 103A from above so that the curved portion 103C of the convex portion 103A and the inner surface of the end portion 63A of the voice coil 6 are in contact with each other along the convex portion 103A. Guided downward and moved.
  • the end portion 63B of the voice coil 6 is fitted into the convex portion 103B from above so that the curved portion 103D of the convex portion 103B and the inner surface of the end portion 63B of the voice coil 6 are in contact with each other, and downward along the convex portion 103B. Guided and moved. Then, the lower surfaces of the end portions 63A and 63B of the voice coil 6 are placed on the upper surfaces of the convex portions 101A and 101B.
  • the voice coil 6 Since the height t1 of the voice coil 6 is larger than the height t2 from the upper surfaces 601A and 601B of the guide portion 101 to the upper surfaces 603A and 603B of the guide portion 103, the voice coil 6 is the upper surface of the convex portions 103A and 103B of the guide portion 103. Projects upward from 603A and 603B.
  • the inner surface of the voice coil 6 is guided by the jig 10 that guides the yoke 3 and the plate 5, so that the conventional manufacturing is performed by combining the voice coil 6, the yoke 3, and the plate 5 without using the jig.
  • the distance between the inner surface of the voice coil 6 and the plate 5 can be made uniform, and the quality can be improved.
  • the distance between the inner surface of the voice coil 6 and the plate 5 can be narrowed compared to the conventional manufacturing method, and the magnetic flux density of the magnetic gaps 301A and 301B can be increased, so that the performance of the speaker 1 is improved. Can do.
  • the diaphragm 7 is coupled to the frame 2 and the voice coil 6.
  • an adhesive is applied to the lower surface of the placement portion 29 of the frame 2 and the inner peripheral portion 72 of the diaphragm 7.
  • the mounting portion 29 of the frame 2 and the lower surface of the outer peripheral portion 71 of the diaphragm 7 are joined and fixed by an adhesive, and at the same time, the upper surface 6A of the voice coil 6 and the lower surface of the inner peripheral portion 72 of the diaphragm 7 are fixed. Are bonded and fixed by an adhesive.
  • the protector 8 is coupled to the frame 2.
  • the lock claws 24A and 24B of the frame 2 are respectively hooked on the lock portions 81A and 81B of the protector 8, whereby the protector 8 is attached to the frame 2.
  • the frame 2 and the protector 8 are joined and fixed by an adhesive, and the speaker 1 is completed. Thereafter, the speaker 1 is extracted from the jig 1.
  • the magnetic gaps 301A and 301B between the plate 5 and the yoke 3 can be narrowed to improve the performance of the speaker 1, and the positional deviation can be prevented to improve the yield of the speaker 1, thereby reducing the manufacturing cost.
  • the speaker 1 can be manufactured by fitting each component from above, there are few unnecessary processes, the manufacturing process can be automated, and the manufacturing cost can be further reduced. Further, since the process of molding the frame 2 and the yoke 3 is not necessary, the manufacturing cost of the speaker 1 can be further reduced.
  • the voice coil 6 is guided by the guide portion 103 of the jig 10, the voice coil 6 is placed on the upper surfaces 601 ⁇ / b> A and 601 ⁇ / b> B of the guide portion 101, and then the upper surface 6 ⁇ / b> A of the voice coil 6 and the diaphragm 7.
  • the lower surface of the inner peripheral portion 72 is joined and fixed by an adhesive.
  • the voice coil 6 is guided by the guide portion 103 of the jig 10 after the lower surface of the inner peripheral portion 72 of the diaphragm 7 is bonded and fixed to the upper surface 6A of the voice coil 6 with an adhesive.
  • the voice coil 6 may be placed on the upper surfaces 601A and 601B of the guide portion 101.
  • an adhesive is applied to the placement portion 29 of the frame 2 before the voice coil 6 is placed on the upper surfaces 601A and 601B of the guide portion 101, and the voice coil 6 is attached to the upper surfaces 601A and 601B of the guide portion 101.
  • the mounting portion 29 of the frame 2 and the lower surface of the outer peripheral portion 71 of the diaphragm 7 are joined and fixed by an adhesive. This process is suitable for manufacturing the speaker 1 in which the voice coil 6 vibrates with a large amplitude.
  • a new placement portion protrudes from the placement surface 100 to the projections 103A and 103B, and the height from the upper surface of the new placement portion to the projection 103A, and the projection 103B from the upper surface of the new placement portion. Is the same height t3.
  • the guide portion 702 according to the second embodiment has convex portions 702A and 702B instead of the concave portions 102A and 102B of the guide portion 102 according to the first embodiment.
  • the convex portion 702A protrudes from the portion 101N facing the mounting portion 712 of the outer peripheral portion 101L of the mounting portion 711 toward the mounting portion 702B.
  • the convex portion 702B protrudes from the portion 101P facing the attachment portion 711 of the outer peripheral portion 101M of the attachment portion 712 toward the attachment portion 711. As shown in FIG.
  • the end portions 203E and 203F of the bottom plate 203 of the yoke 73 are provided with recesses 731A and 731B, respectively.
  • recesses 751 ⁇ / b> A and 751 ⁇ / b> B are provided at end portions 205 ⁇ / b> E and 205 ⁇ / b> F of the plate 705, respectively.
  • the concave portion 731A of the yoke 703 and the concave portion 751A of the plate 705 are guided by the convex portion 702A of the guide portion 702.
  • the concave portion 731B of the yoke 703 and the concave portion 751B of the plate 705 are guided by the convex portion 702B of the guide portion 702.
  • FIG. 15 is an exploded perspective view of the speaker 1 according to the third embodiment of the present invention. 15, the same reference numerals are assigned to the same parts as those of the speaker 1 according to the first embodiment shown in FIGS. 1A to 11.
  • the speaker 1 shown in FIG. 15 is manufactured by a jig 10A which is a manufacturing apparatus instead of the jig 10 which is the manufacturing apparatus shown in FIG. 1A.
  • the jig 10A includes mounting parts 11A and 12A provided on the mounting surface 100 of the base 100A, instead of the mounting parts 11 and 12 of the jig 10 which is the manufacturing apparatus shown in FIG. 1A.
  • 16A, 16B, and 16C are a top view, a side view, and a front view, respectively, of a jig 10A that is a manufacturing apparatus for manufacturing the speaker 1.
  • FIG. FIG. 17 is a top view of the attachment portion 11A.
  • FIG. 18 is a top view of the mounting portion 12A.
  • 16A to 18 the same reference numerals are assigned to the same portions as those of the jig 10 that is the manufacturing apparatus according to the first embodiment shown in FIGS. 9 to 11.
  • the jig 10A includes a guide portion 803 instead of the guide portion 103 of the jig 10 shown in FIG.
  • 11 A of attachment parts have the convex parts 803G and 803H which protrude from the upper surface 601A of the convex part 101A instead of the convex part 103A of the attachment part 11 by Embodiment 1.
  • FIG. The concave portion 102A is located between the convex portions 803G and 803H.
  • the convex portions 803G and 803H have curved portions 103G and 103H having shapes that coincide with the inner surface of the end portion 63A of the voice coil 6, respectively.
  • 12 A of attachment parts have the convex parts 803J and 803K which protrude from the upper surface 601B of the convex part 101B instead of the convex part 103B of the attachment part 12 by Embodiment 1.
  • the concave portion 102B is located between the convex portions 803J and 803K.
  • the convex portions 803J and 803K have curved portions 103J and 103K having shapes that coincide with the inner surface of the end portion 63B of the voice coil 6, respectively.
  • the gap between the speaker plate and the yoke can be narrowed, the speaker can be manufactured with a good yield, and the manufacturing cost can be reduced. Therefore, the speaker manufactured by this manufacturing method is useful as a speaker used for small acoustic devices such as mobile phones and electronic devices.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

L'invention porte sur un dispositif de fabrication d'un haut-parleur, lequel dispositif comprend des premier à troisième guides. Un châssis est guidé par le premier guide et monté sur le dispositif de fabrication. Une culasse est guidée par le deuxième guide, et le châssis et la culasse sont couplés. Une plaque à laquelle un aimant est joint est guidée par le deuxième guide, et l'aimant et la culasse sont couplés. Une bobine acoustique est guidée par le troisième guide et montée sur le dispositif de fabrication. La bobine acoustique et une membrane sont couplées. Le châssis et la membrane sont couplés. Le châssis, la culasse, la plaque, l'aimant, la bobine acoustique et la membrane sont ensuite extraits du dispositif de fabrication. Par le procédé de fabrication ci-dessus, l'espace entre la plaque et la culasse du haut-parleur peut être resserré, le haut-parleur peut être fabriqué avec une bonne productivité, et le coût de fabrication peut être réduit.
PCT/JP2009/003639 2008-08-07 2009-07-31 Haut-parleur, et procédé de fabrication et dispositif de fabrication pour celui-ci WO2010016208A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008203992A JP2010041548A (ja) 2008-08-07 2008-08-07 スピーカの製造に用いられる治具、および、この治具によって製造されたスピーカ
JP2008-203992 2008-08-07
JP2008203991A JP5326412B2 (ja) 2008-08-07 2008-08-07 スピーカの製造方法、および、この製造方法によって製造されたスピーカ
JP2008-203991 2008-08-07

Publications (1)

Publication Number Publication Date
WO2010016208A1 true WO2010016208A1 (fr) 2010-02-11

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Application Number Title Priority Date Filing Date
PCT/JP2009/003639 WO2010016208A1 (fr) 2008-08-07 2009-07-31 Haut-parleur, et procédé de fabrication et dispositif de fabrication pour celui-ci

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WO (1) WO2010016208A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103248988A (zh) * 2012-02-02 2013-08-14 三星电子株式会社 具有n-分磁结构的扬声器设备
CN110933574A (zh) * 2019-11-30 2020-03-27 捷开通讯(深圳)有限公司 一种扬声器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001245387A (ja) * 2000-03-01 2001-09-07 Fujitsu Ten Ltd スピーカ
JP2006222697A (ja) * 2005-02-09 2006-08-24 Citizen Electronics Co Ltd マイクロスピーカ及びその製造方法
JP2006229656A (ja) * 2005-02-18 2006-08-31 Star Micronics Co Ltd 電気音響変換器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001245387A (ja) * 2000-03-01 2001-09-07 Fujitsu Ten Ltd スピーカ
JP2006222697A (ja) * 2005-02-09 2006-08-24 Citizen Electronics Co Ltd マイクロスピーカ及びその製造方法
JP2006229656A (ja) * 2005-02-18 2006-08-31 Star Micronics Co Ltd 電気音響変換器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103248988A (zh) * 2012-02-02 2013-08-14 三星电子株式会社 具有n-分磁结构的扬声器设备
CN110933574A (zh) * 2019-11-30 2020-03-27 捷开通讯(深圳)有限公司 一种扬声器
CN110933574B (zh) * 2019-11-30 2021-06-15 捷开通讯(深圳)有限公司 一种扬声器

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