WO2005099305A1 - スピーカと、これを用いたモジュール、電子機器および装置、ならびにスピーカの製造方法 - Google Patents
スピーカと、これを用いたモジュール、電子機器および装置、ならびにスピーカの製造方法 Download PDFInfo
- Publication number
- WO2005099305A1 WO2005099305A1 PCT/JP2005/004763 JP2005004763W WO2005099305A1 WO 2005099305 A1 WO2005099305 A1 WO 2005099305A1 JP 2005004763 W JP2005004763 W JP 2005004763W WO 2005099305 A1 WO2005099305 A1 WO 2005099305A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diaphragm
- edge
- speaker
- frame
- speaker according
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004697 Polyetherimide Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
-
- 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
-
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49005—Acoustic transducer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/4908—Acoustic transducer
Definitions
- Speaker module using the same, electronic apparatus and device, and method for manufacturing speaker
- the present invention relates to a speaker, a device using the same, and a method for manufacturing a speaker.
- Fig. 16 is a cross-sectional view of the conventional speed disclosed in Japanese Utility Model Application No. 57-111196.
- a permanent magnet 1 is sandwiched between an upper plate 2 and a yoke 3 to form a magnetic circuit assembly 4.
- the outer peripheral edge of the edge 9 is attached to the frame 6, and the voice coil 8 attached to the diaphragm 7 is arranged in the magnetic gap 5 of the magnetic circuit assembly 4.
- the diaphragm 7 and the outer edge 9 of the diaphragm 7 are integrally formed by one resin film sheet.
- a speaker includes a frame, a magnetic circuit assembly having a permanent magnet, a diaphragm having a diaphragm and a voice coil attached to an outer peripheral edge of the diaphragm, and a diaphragm having an outer peripheral edge.
- the diaphragm is attached to the frame, and an inner peripheral edge portion is coupled to the diaphragm at a position on the inner peripheral side of the voice coil, partially overlaps the diaphragm, and supports the diaphragm assembly with respect to the frame. And an edge to be formed. The edge partially overlaps the diaphragm. According to this configuration, it is possible to reduce the speed without reducing the dimensions of the permanent magnet and the edge.
- FIG. 1 is a cross-sectional view of a speaker according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view of a speaker according to Embodiment 2 of the present invention.
- FIG. 3 is a cross-sectional view of a speaker according to Embodiment 3 of the present invention, showing an example of the shape of a guide.
- FIG. 4 is a cross-sectional view of a speaker according to Embodiment 3 of the present invention, showing another example of the shape of the guide.
- FIG. 5 is a cross-sectional view of a speaker according to Embodiment 3 of the present invention, showing another example of the shape of the guide.
- FIG. 6 is a cross-sectional view of a speaker according to Embodiment 3 of the present invention, showing another example of the shape of the guide.
- FIG. 7 is a cross-sectional view of a speaker according to Embodiment 3 of the present invention, showing another example of the shape of the guide.
- FIG. 8 is a cross-sectional view of a speaker module according to Embodiment 4 of the present invention.
- FIG. 9 is a cross-sectional view of an electronic device according to a fifth embodiment of the present invention.
- FIG. 10 is a sectional view of an apparatus according to a sixth embodiment of the present invention.
- FIG. 11 shows manufacturing steps (12A) to (14C) of the speaker of the present invention.
- FIG. 12A shows a step (12A) of manufacturing the speaker of the present invention.
- FIG. 12B shows a step (12B) of manufacturing the speaker of the present invention.
- FIG. 13A shows a step (13A) of manufacturing the speaker of the present invention.
- FIG. 13B shows a step (13B) of manufacturing the speaker of the present invention.
- FIG. 13C shows a step (13C) of manufacturing the speaker of the present invention.
- FIG. 14A shows a step (14A) of manufacturing the speaker of the present invention.
- FIG. 14B shows a step (14B) of manufacturing the speaker of the present invention.
- FIG. 14C shows a step (14C) of manufacturing the speaker of the present invention.
- FIG. 15 is a cross-sectional view of the speaker of the present invention.
- FIG. 16 is a cross-sectional view of a conventional speaker.
- FIG. 1 is a cross-sectional view of the speaker according to Embodiment 1 of the present invention.
- a magnetic circuit assembly 24 is formed by sandwiching the permanent magnet 21 between the upper plate 22 and the yoke 23. Attach frame 26 to yoke 23.
- the diaphragm 27 and the voice coil 28 attached to the outer peripheral edge of the diaphragm 27 constitute a diaphragm assembly 100.
- Edge 29 supports diaphragm assembly 100 with respect to frame 26 such that voice coil 28 is disposed within magnetic gap 25 of magnetic circuit assembly 24.
- the edge 29 has an outer peripheral edge bonded to the frame 26 and an inner peripheral edge coupled to the diaphragm 27 at a position on the inner peripheral side of the voice coil 28. The edge 29 therefore partially overlaps the diaphragm 27.
- a portion where the diaphragm 27 and the edge 29 overlap with each other is referred to as a crossover portion 200.
- the crossover portion 200 is configured so as to secure a portion where the diaphragm 27 and the edge 29 overlap with each other, except for an adhesive portion which is a joining portion of the edge 29 to the diaphragm 27. It is. With this configuration, the outer diameter of the speaker can be reduced without reducing the speaker performance by reducing the size of the permanent magnet 21 and the edge 29.
- the diaphragm 27 and the edge 29 are made of a sheet material, for example, a polymer film sheet such as polyethylene naphthalate (PEN), polyetherimide (PEI), or polyamideimide (PAI), or a metal sheet, a cloth sheet, or the like. Paper sheet.
- PEN polyethylene naphthalate
- PEI polyetherimide
- PAI polyamideimide
- the diaphragm 27 and the edge 29 can be configured using different materials. That is, a material having physical properties suitable for the diaphragm is used for the diaphragm 27, and a material having physical properties suitable for the edge is used for the edge 29. Four examples are described below.
- Example 1 When a material whose edge 29 is thinner than the diaphragm 27 is used, a thick diaphragm having rigidity is used.
- the 27 faithfully reproduces high sounds while extending the high-frequency limit.
- the thin edge 29 sets the FO value low by making the voice coil 28 and diaphragm 27 easy to vibrate, and faithfully reproduces bass.
- Example 2 When the edge 29 is made of a material softer than the diaphragm 27, the hard diaphragm 27 faithfully reproduces high sounds while extending the high-frequency limit.
- the soft edge 29 sets the FO value low by making the voice coil 28 and diaphragm 27 easier to vibrate, and faithfully reproduces bass.
- the diameter of the joint between the diaphragm 27 and the edge 29 be 70% or less of the outer diameter of 29. That is, by increasing the edge 29, the performance of the speaker can be improved.
- FIG. 2 is a cross-sectional view of the speaker according to Embodiment 2 of the present invention. Only the differences from the first embodiment will be described.
- a through hole 27a is provided in a portion of the diaphragm 27 that is covered by the edge 29.
- a configuration may be adopted in which a through hole is provided in the magnetic circuit 24 or the frame 26 to directly flow air to the outside.
- FIG. 3 to 7 are cross-sectional views of the speaker according to Embodiment 3 of the present invention. Only the differences from the first embodiment will be described.
- a guide 27b is provided at a portion where the edge 29 of the diaphragm 27 is joined. With this configuration, positioning when connecting the diaphragm 27 and the edge 29 can be accurately performed.
- FIG. 4 shows a depression 27c as another example of the guide.
- FIG. 5 shows a horizontal recess 27d as another example of a guide.
- FIG. 6 shows a recess 27e having a U-shaped cross section as another example of the guide.
- FIG. 7 shows another example of a guide having a recess 27f having a V-shaped cross section.
- FIG. 8 is a cross-sectional view of the speaker module according to Embodiment 4 of the present invention.
- the speaker module 50 is configured by integrating the speed 35 and the electronic circuit 40 of the present invention.
- the electronic circuit 40 includes a circuit board 41 and electronic components 42. Since the electronic circuit 40 has an amplifier circuit for an audio signal supplied to the speaker 35, an audio output can be obtained only by connecting the speaker module 50 to the audio signal source.
- the electronic circuit 40 includes circuits necessary for communication such as a detection circuit, a modulation circuit, and a demodulation circuit, and a display unit such as a liquid crystal so that the speaker module 50 can be used for a communication device such as a mobile phone.
- FIG. 9 is a cross-sectional view of a main part of a mobile phone (electronic device) according to Embodiment 5 of the present invention.
- Electronic A device for example, a mobile phone 80 has a speaker 70 of the present invention, an electronic circuit 40, a display module 60 such as a liquid crystal, etc. mounted inside a case 70.
- FIG. 10 is a sectional view of an automobile (device) according to Embodiment 6 of the present invention.
- a device for example, an automobile 90 incorporates the speaker 35 of the present invention into a rear tray or a front panel and uses the speaker 35 as a part of a car navigation or a car audio.
- FIG. 11 is a manufacturing step diagram showing manufacturing steps (12A) to (14C) of the speaker (see FIG. 15) of the present invention.
- FIG. 12A shows the manufacturing step (12A) shown in FIG.
- FIG. 12B shows the manufacturing step (12B) shown in FIG.
- step (12A) the permanent magnet 21 and the upper plate 22 are bonded and fixed to the yoke 23.
- step (12B) the bonding is performed by inserting a gap gauge (not shown) into the magnetic gap 25, and constructing the magnetic circuit assembly 24 by force.
- FIG. 13A shows the manufacturing step (13A) shown in FIG.
- FIG. 13B shows the manufacturing step (13B) shown in FIG.
- FIG. 13C shows the manufacturing step (13C) shown in FIG.
- the voice coil 28 is attached to the diaphragm 27 obtained by press-molding a resin sheet material, thereby forming the diaphragm assembly 100.
- a frame 26 made of a resin material is prepared.
- the diaphragm assembly 100 and the frame 26 are inserted into the positioning jig 110 and positioned. That is, as shown in FIG. 13C, the positioning jig 110 positions the inner diameter of the diaphragm assembly 100 and the inner diameter of the frame 26.
- FIG. 14A shows the manufacturing step (14A) shown in FIG.
- FIG. 14B shows the manufacturing step (14B) shown in FIG.
- FIG. 14C shows the manufacturing step (14C) shown in FIG.
- step (14A) the outer peripheral edge of the edge 29 is bonded to the frame 26, and the inner peripheral edge of the edge 29 is connected to the diaphragm 27.
- step (14B) the positioning jig 110 is extracted.
- step (14C) the magnetic circuit assembly 24 obtained in step (12B) is inserted and attached to the frame 26 in exchange for the removed positioning jig 110. Focus on the invention shown in Figure 15. Obtain a bright speaker.
- the speaker of the present invention can be widely used for electronic equipment such as video and audio equipment, information communication equipment, and game equipment that require a small size dani.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Manufacturing & Machinery (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05726703A EP1703768A4 (en) | 2004-03-31 | 2005-03-17 | SPEAKERS, THIS USING MODULE, ELECTRONIC EQUIPMENT AND DEVICE, AND METHOD FOR THE PRODUCTION OF SPEAKERS |
US10/590,144 US7548632B2 (en) | 2004-03-31 | 2005-03-17 | Speaker, module using the same, electronic equipment and device, and speaker producing method |
US12/464,530 US7877856B2 (en) | 2004-03-31 | 2009-05-12 | Method of manufacturing a speaker |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-103775 | 2004-03-31 | ||
JP2004103775A JP4305246B2 (ja) | 2004-03-31 | 2004-03-31 | スピーカおよびこれを用いたモジュール、電子機器および装置 |
JP2004197561A JP4354350B2 (ja) | 2004-07-05 | 2004-07-05 | 小型スピーカおよびその製造方法 |
JP2004-197561 | 2004-07-05 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/590,144 A-371-Of-International US7548632B2 (en) | 2004-03-31 | 2005-03-17 | Speaker, module using the same, electronic equipment and device, and speaker producing method |
US12/464,530 Division US7877856B2 (en) | 2004-03-31 | 2009-05-12 | Method of manufacturing a speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005099305A1 true WO2005099305A1 (ja) | 2005-10-20 |
Family
ID=35125473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/004763 WO2005099305A1 (ja) | 2004-03-31 | 2005-03-17 | スピーカと、これを用いたモジュール、電子機器および装置、ならびにスピーカの製造方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7548632B2 (ja) |
EP (1) | EP1703768A4 (ja) |
KR (1) | KR100799008B1 (ja) |
TW (1) | TW200539725A (ja) |
WO (1) | WO2005099305A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007184750A (ja) * | 2006-01-06 | 2007-07-19 | Matsushita Electric Ind Co Ltd | スピーカ振動板とその製造方法、およびそのスピーカ振動板を用いたスピーカ |
JP2007336322A (ja) * | 2006-06-16 | 2007-12-27 | Pioneer Electronic Corp | スピーカ及びその製造方法 |
JP5608667B2 (ja) * | 2010-04-14 | 2014-10-15 | パナソニック株式会社 | スピーカ、補聴器、インナーイヤーヘッドホン、携帯型情報処理装置、およびav機器 |
WO2016035263A1 (ja) * | 2014-09-01 | 2016-03-10 | パナソニックIpマネジメント株式会社 | ラウドスピーカ |
JP2016052079A (ja) * | 2014-09-02 | 2016-04-11 | パナソニックIpマネジメント株式会社 | ラウドスピーカ |
JP2016052020A (ja) * | 2014-09-01 | 2016-04-11 | パナソニックIpマネジメント株式会社 | ラウドスピーカ |
Families Citing this family (22)
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US7548631B2 (en) * | 2000-01-19 | 2009-06-16 | Harman International Industries, Incorporated | Speaker surround structure for maximizing cone diameter |
US20080166010A1 (en) * | 2007-01-04 | 2008-07-10 | Stiles Enrique M | Overlapping surround roll for loudspeaker |
US8374379B2 (en) * | 2007-08-30 | 2013-02-12 | Jl Audio, Inc. | Loudspeaker with replaceable motor assembly |
DE102008018206B3 (de) * | 2008-04-10 | 2009-10-22 | Johanna Reck | Lautsprecher |
US8516681B2 (en) * | 2008-10-27 | 2013-08-27 | Panasonic Corporation | Loud speaker manufacturing method |
KR101649390B1 (ko) * | 2009-03-11 | 2016-08-19 | 미쓰비시 엔피쯔 가부시키가이샤 | 스피커 유닛 |
TWI419577B (zh) * | 2009-12-23 | 2013-12-11 | Ind Tech Res Inst | 揚聲器的製造方法與裝置 |
CN102065359B (zh) * | 2010-05-25 | 2013-11-06 | 瑞声声学科技(深圳)有限公司 | 电磁扬声器 |
US8442259B2 (en) * | 2010-06-04 | 2013-05-14 | Beats Electronics, Llc | System for vibration confinement |
US8520886B2 (en) * | 2010-11-12 | 2013-08-27 | Apple Inc. | Speaker having a horizontal former |
CN201995121U (zh) * | 2010-12-21 | 2011-09-28 | 瑞声光电科技(常州)有限公司 | 振动发声装置 |
KR101222416B1 (ko) * | 2011-10-21 | 2013-01-14 | 부전전자 주식회사 | 듀얼 서스펜션 스피커 |
US9084052B2 (en) * | 2013-06-26 | 2015-07-14 | Analog Devices Global | Moving coil miniature loudspeaker module |
GB2542382A (en) * | 2015-09-17 | 2017-03-22 | Gp Acoustics (Uk) Ltd | Low-profile loudspeaker |
US10291990B2 (en) * | 2016-10-26 | 2019-05-14 | Apple Inc. | Unibody diaphragm and former for a speaker |
JP6887123B2 (ja) * | 2017-03-30 | 2021-06-16 | パナソニックIpマネジメント株式会社 | スピーカおよび移動体装置 |
US10555085B2 (en) | 2017-06-16 | 2020-02-04 | Apple Inc. | High aspect ratio moving coil transducer |
CN207869377U (zh) * | 2018-01-29 | 2018-09-14 | 瑞声科技(新加坡)有限公司 | 振膜及发声器件 |
CN208241874U (zh) * | 2018-04-28 | 2018-12-14 | 深圳市冠旭电子股份有限公司 | 扬声器 |
CN111294710B (zh) * | 2018-12-07 | 2023-03-24 | 现代自动车株式会社 | 用于车辆的扬声器单元 |
JP7181815B2 (ja) * | 2019-02-28 | 2022-12-01 | ホシデン株式会社 | スピーカー用振動体及びスピーカー装置 |
CN110830888A (zh) * | 2019-11-12 | 2020-02-21 | 歌尔股份有限公司 | 一种振膜及包括其的发声器单体 |
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JP4457487B2 (ja) | 2000-11-15 | 2010-04-28 | パナソニック株式会社 | スピーカの製造方法 |
JP2002171594A (ja) * | 2000-11-30 | 2002-06-14 | Citizen Electronics Co Ltd | スピーカ |
EP1413170A2 (en) * | 2001-07-19 | 2004-04-28 | Koninklijke Philips Electronics N.V. | Electroacoustic transducer comprising a membrane with an improved pleats area |
EP1419673A2 (en) * | 2001-08-10 | 2004-05-19 | Koninklijke Philips Electronics N.V. | Loudspeaker with a three-dimensional diaphragm |
US7031487B2 (en) * | 2003-05-14 | 2006-04-18 | Step Technologies, Inc. | Tabbed speaker frame with oversized diaphragm |
-
2005
- 2005-03-17 US US10/590,144 patent/US7548632B2/en not_active Expired - Fee Related
- 2005-03-17 KR KR1020067015750A patent/KR100799008B1/ko not_active IP Right Cessation
- 2005-03-17 WO PCT/JP2005/004763 patent/WO2005099305A1/ja not_active Application Discontinuation
- 2005-03-17 EP EP05726703A patent/EP1703768A4/en not_active Withdrawn
- 2005-03-23 TW TW094108936A patent/TW200539725A/zh unknown
-
2009
- 2009-05-12 US US12/464,530 patent/US7877856B2/en not_active Expired - Fee Related
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JPS54143231U (ja) * | 1978-03-28 | 1979-10-04 | ||
JPS5546649A (en) * | 1978-09-29 | 1980-04-01 | Mitsubishi Electric Corp | Speaker |
JPS5576589U (ja) * | 1978-11-21 | 1980-05-27 | ||
JPS5764988U (ja) * | 1980-10-03 | 1982-04-17 | ||
JPS61116499A (ja) * | 1984-11-10 | 1986-06-03 | Matsushita Electric Ind Co Ltd | スピ−カ |
JPS643396U (ja) * | 1987-06-24 | 1989-01-10 | ||
JPH04362900A (ja) * | 1991-06-11 | 1992-12-15 | Matsushita Electric Ind Co Ltd | スピーカの製造方法 |
JPH0984180A (ja) * | 1995-09-07 | 1997-03-28 | Matsushita Electric Ind Co Ltd | スピーカ |
JP2001251699A (ja) * | 2000-03-08 | 2001-09-14 | Hosiden Corp | 音響装置 |
Non-Patent Citations (1)
Title |
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See also references of EP1703768A4 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007184750A (ja) * | 2006-01-06 | 2007-07-19 | Matsushita Electric Ind Co Ltd | スピーカ振動板とその製造方法、およびそのスピーカ振動板を用いたスピーカ |
JP4670643B2 (ja) * | 2006-01-06 | 2011-04-13 | パナソニック株式会社 | スピーカ振動板とその製造方法、およびそのスピーカ振動板を用いたスピーカ |
JP2007336322A (ja) * | 2006-06-16 | 2007-12-27 | Pioneer Electronic Corp | スピーカ及びその製造方法 |
JP5608667B2 (ja) * | 2010-04-14 | 2014-10-15 | パナソニック株式会社 | スピーカ、補聴器、インナーイヤーヘッドホン、携帯型情報処理装置、およびav機器 |
WO2016035263A1 (ja) * | 2014-09-01 | 2016-03-10 | パナソニックIpマネジメント株式会社 | ラウドスピーカ |
JP2016052020A (ja) * | 2014-09-01 | 2016-04-11 | パナソニックIpマネジメント株式会社 | ラウドスピーカ |
US9756426B2 (en) | 2014-09-01 | 2017-09-05 | Panasonic Intellectual Property Management Co., Ltd. | Loudspeaker |
JP2016052079A (ja) * | 2014-09-02 | 2016-04-11 | パナソニックIpマネジメント株式会社 | ラウドスピーカ |
Also Published As
Publication number | Publication date |
---|---|
US20090217509A1 (en) | 2009-09-03 |
US7548632B2 (en) | 2009-06-16 |
EP1703768A1 (en) | 2006-09-20 |
US20070140519A1 (en) | 2007-06-21 |
US7877856B2 (en) | 2011-02-01 |
KR100799008B1 (ko) | 2008-01-28 |
TW200539725A (en) | 2005-12-01 |
KR20060118581A (ko) | 2006-11-23 |
EP1703768A4 (en) | 2009-11-11 |
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