JPWO2015056419A1 - 振動板とこれを用いたラウドスピーカ、およびラウドスピーカを用いた電子機器と移動体装置 - Google Patents
振動板とこれを用いたラウドスピーカ、およびラウドスピーカを用いた電子機器と移動体装置 Download PDFInfo
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- JPWO2015056419A1 JPWO2015056419A1 JP2015542515A JP2015542515A JPWO2015056419A1 JP WO2015056419 A1 JPWO2015056419 A1 JP WO2015056419A1 JP 2015542515 A JP2015542515 A JP 2015542515A JP 2015542515 A JP2015542515 A JP 2015542515A JP WO2015056419 A1 JPWO2015056419 A1 JP WO2015056419A1
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- 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
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
- H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
-
- 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
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
-
- 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
- H04R9/06—Loudspeakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/025—Diaphragms comprising polymeric materials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/027—Diaphragms comprising metallic materials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/029—Diaphragms comprising fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
-
- 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
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Description
11A ツィータ
11B フルレンジスピーカ
11C スコーカ
12 フレーム
13 磁気ギャップ
14 磁気回路
14A マグネット
14B ヨーク
14C プレート
14D マグネット
14E ヨーク
14F プレート
14G センターポール
15 ボイスコイル
21 振動板
21A ドーム型振動板
21B コーン型振動板
22 抄紙層
22A 天然繊維
22B 樹脂
22C 化学繊維
22D スキン層
22E 竹繊維
22F 微細化竹繊維
23 抄造層
23A 繊維
23B 樹脂
23C 樹脂
23D 化学繊維
23E スキン層
24 熱プレス成形体
25 積層体
26 強化材
41 筐体
42 増幅部
43 プレーヤ
44 電子機器
45 駆動部
46 動力伝達部
47 操舵部
48 本体部
50 移動体装置
Claims (21)
- 天然繊維と熱可塑性の樹脂とを含む抄紙層と、
150GPa以上の引張弾性率を有した繊維を含み、前記抄紙層に積層された抄造層と、を備えた、
振動板。 - 前記抄造層に含まれた前記繊維は炭素繊維である、
請求項1記載の振動板。 - 前記抄造層に含まれた前記繊維は金属繊維である、
請求項1記載の振動板。 - 前記金属繊維は、アルミナ、ステンレス、チタンからなる群より選ばれた1種以上である、
請求項3記載の振動板。 - 前記振動板は、前記抄紙層と前記抄造層との積層体の熱プレス成形体である、
請求項1記載の振動板。 - 前記積層体は平板状である、
請求項5記載の振動板。 - 前記抄造層は、前記抄紙層に含まれる前記樹脂と同じ樹脂を含む、
請求項1記載の振動板。 - 前記抄造層は、熱可塑性の化学繊維をさらに含む、
請求項1記載の振動板。 - 前記抄造層は、前記振動板の少なくとも一方の面に形成された、
請求項1記載の振動板。 - 前記樹脂は、化学繊維を含む、
請求項1記載の振動板。 - 前記抄紙層は、前記抄造層の形成された面の反対の面に形成されたスキン層を有する、
請求項1記載の振動板。 - 前記抄紙層の総重量に対する前記天然繊維の含有量は、10重量%以上、90重量%以下である、
請求項1記載の振動板。 - 前記抄紙層の総重量に対する前記天然繊維の含有量は、10重量%以上70重量%以下である、
請求項12記載の振動板。 - 前記抄紙層の密度は、0.25g/cm3以上、1.00g/cm3以下である、
請求項1記載の振動板。 - 前記抄紙層は強化材をさらに含む、
請求項1記載の振動板。 - 前記振動板はドーム状である、
請求項1記載の振動板。 - フレームと、
天然繊維と熱可塑性の樹脂とを含む抄紙層と、前記抄紙層に積層され、150GPa以上の引張弾性率を有した繊維を含む抄造層とを有し、前記フレームの外周部に結合された振動板と、
前記フレームに結合され、磁気ギャップを有する磁気回路と、
第1端と第2端を有し、前記第1端が前記振動板に結合され、第2端が前記磁気ギャップへ挿入されたボイスコイルと、を備えた、
ラウドスピーカ。 - 前記抄造層は、前記振動板における前記ボイスコイルが結合された面の反対の面に形成された、
請求項17記載のラウドスピーカ。 - 前記抄造層は、前記振動板において前記ボイスコイルが結合された面に形成された、
請求項17記載のラウドスピーカ。 - 筐体と、
前記筐体内に収納された請求項17に記載のラウドスピーカと、
前記筐体内に収納され、かつ前記ラウドスピーカに電気信号を供給する増幅部と、を備えた、
電子機器。 - 本体部と、
前記本体部に搭載された駆動部と、
前記本体部に搭載された請求項17に記載のラウドスピーカと、を備えた、
移動体装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013214490 | 2013-10-15 | ||
JP2013214490 | 2013-10-15 | ||
JP2014158311 | 2014-08-04 | ||
JP2014158311 | 2014-08-04 | ||
PCT/JP2014/005071 WO2015056419A1 (ja) | 2013-10-15 | 2014-10-06 | 振動板とこれを用いたラウドスピーカ、およびラウドスピーカを用いた電子機器と移動体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015056419A1 true JPWO2015056419A1 (ja) | 2017-03-09 |
JP6473894B2 JP6473894B2 (ja) | 2019-02-27 |
Family
ID=52827879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015542515A Active JP6473894B2 (ja) | 2013-10-15 | 2014-10-06 | 振動板とこれを用いたラウドスピーカ、およびラウドスピーカを用いた電子機器と移動体装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9716950B2 (ja) |
EP (1) | EP3059976A4 (ja) |
JP (1) | JP6473894B2 (ja) |
CN (1) | CN105637896A (ja) |
WO (1) | WO2015056419A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6975881B2 (ja) * | 2016-07-04 | 2021-12-01 | パナソニックIpマネジメント株式会社 | ラウドスピーカ用振動部品と、それを含むラウドスピーカ、およびそのラウドスピーカを搭載した移動体装置 |
JP7101929B2 (ja) * | 2017-11-02 | 2022-07-19 | ヤマハ株式会社 | スピーカー用振動板 |
US11019443B2 (en) * | 2018-08-30 | 2021-05-25 | Seiko Epson Corporation | Speaker diaphragm including cone formed of material including fibers derived from plant and resin, speaker unit, speaker, and method for manufacturing speaker |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6135094A (ja) * | 1984-07-26 | 1986-02-19 | Pioneer Electronic Corp | スピ−カ用振動板 |
JPH01293798A (ja) * | 1988-05-21 | 1989-11-27 | Sharp Corp | スピーカ用振動体 |
JP2005080098A (ja) * | 2003-09-02 | 2005-03-24 | Pioneer Electronic Corp | スピーカ用の振動板及びそれを備えたスピーカ |
JP2005347907A (ja) * | 2004-06-01 | 2005-12-15 | Pioneer Electronic Corp | スピーカー振動板 |
JP2012227582A (ja) * | 2011-04-15 | 2012-11-15 | Panasonic Corp | スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61232796A (ja) | 1985-04-05 | 1986-10-17 | Pioneer Electronic Corp | スピ−カ用振動板 |
JPS63102596A (ja) | 1986-10-20 | 1988-05-07 | Matsushita Electric Ind Co Ltd | スピ−カ用振動板 |
JP2667745B2 (ja) * | 1991-03-11 | 1997-10-27 | シャープ株式会社 | 電気音響変換器 |
US6390232B1 (en) * | 1999-10-29 | 2002-05-21 | Communications Products Corporation | Speaker cone assembly |
JP2002300691A (ja) * | 2001-04-02 | 2002-10-11 | Tohoku Pioneer Corp | スピーカ用振動板およびその製造方法 |
US20130039515A1 (en) | 2010-06-28 | 2013-02-14 | Panasonic Corporation | Speaker component, speaker using same, electronic apparatus, and moving means |
CN103503479B (zh) * | 2011-04-15 | 2016-03-02 | 松下知识产权经营株式会社 | 扬声器用树脂成形部件与使用了该树脂成形部件的扬声器以及使用了该扬声器的电子设备以及移动体装置 |
JP6074584B2 (ja) * | 2012-01-25 | 2017-02-08 | パナソニックIpマネジメント株式会社 | 高アスペクト比幅狭型振動板または薄型振動板の製造方法と、この製造方法で製造されたスピーカ用振動板、スピーカ、電子機器、移動体装置。 |
-
2014
- 2014-10-06 EP EP14853446.4A patent/EP3059976A4/en not_active Withdrawn
- 2014-10-06 US US15/022,206 patent/US9716950B2/en active Active
- 2014-10-06 CN CN201480055608.2A patent/CN105637896A/zh active Pending
- 2014-10-06 WO PCT/JP2014/005071 patent/WO2015056419A1/ja active Application Filing
- 2014-10-06 JP JP2015542515A patent/JP6473894B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6135094A (ja) * | 1984-07-26 | 1986-02-19 | Pioneer Electronic Corp | スピ−カ用振動板 |
JPH01293798A (ja) * | 1988-05-21 | 1989-11-27 | Sharp Corp | スピーカ用振動体 |
JP2005080098A (ja) * | 2003-09-02 | 2005-03-24 | Pioneer Electronic Corp | スピーカ用の振動板及びそれを備えたスピーカ |
JP2005347907A (ja) * | 2004-06-01 | 2005-12-15 | Pioneer Electronic Corp | スピーカー振動板 |
JP2012227582A (ja) * | 2011-04-15 | 2012-11-15 | Panasonic Corp | スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置 |
Also Published As
Publication number | Publication date |
---|---|
EP3059976A4 (en) | 2016-09-21 |
EP3059976A1 (en) | 2016-08-24 |
US20160234600A1 (en) | 2016-08-11 |
JP6473894B2 (ja) | 2019-02-27 |
US9716950B2 (en) | 2017-07-25 |
WO2015056419A1 (ja) | 2015-04-23 |
CN105637896A (zh) | 2016-06-01 |
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