JP2005123779A - スピーカ用振動板およびこれを用いたスピーカ - Google Patents
スピーカ用振動板およびこれを用いたスピーカ Download PDFInfo
- Publication number
- JP2005123779A JP2005123779A JP2003354832A JP2003354832A JP2005123779A JP 2005123779 A JP2005123779 A JP 2005123779A JP 2003354832 A JP2003354832 A JP 2003354832A JP 2003354832 A JP2003354832 A JP 2003354832A JP 2005123779 A JP2005123779 A JP 2005123779A
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- diaphragm
- thick
- parts
- quasi
- 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.)
- Granted
Links
- 230000007423 decrease Effects 0.000 claims description 2
- 238000007790 scraping Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 8
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- 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
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/001—Moulding aspects of diaphragm or surround
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
【解決手段】本発明のスピーカ用振動板およびこれを用いたスピーカは、スピーカ振動板の構成を少なくとも中心部から外周方向へ放射状に3以上の奇数個設けられた厚肉部11cと、これらの厚肉部間を外周から内方に向かって徐々に厚みが薄くなるように形成した準厚肉部11dとを設け、その内方部分を水掻き状の薄肉部11eとしてスピーカ用振動板を形成したものであり、分割共振を抑制可能な軽量のスピーカ用振動板の提供を可能とし、音圧周波数特性に優れたスピーカの提供を可能とするものである。
【選択図】図1
Description
以下、実施の形態1を用いて、本発明の各請求項に記載の発明について説明する。
5a 磁気ギャップ
6 ボイスコイル
6a コイル部
7 樹脂フレーム
11 スピーカ用振動板
11a 振動板本体
11b エッジ部
11c 厚肉部
11d 準厚肉部
11e 薄肉部
Claims (4)
- 少なくとも中心部から外周方向へ放射状に3以上の奇数個設けられた厚肉部と、これらの厚肉部間を外周から内方に向かって徐々に厚みが薄くなるように形成した準厚肉部とで構成したスピーカ用振動板。
- 準厚肉部の内方部分に略水掻き状の薄肉部を形成した請求項1に記載のスピーカ用振動板。
- 厚肉部と準厚肉部をスピーカ用振動板の裏面に設けた請求項1または請求項2に記載のスピーカ用振動板。
- 磁気回路と、この磁気回路に結合されたフレームと、前記磁気回路に形成された磁気ギャップにはめ込まれたボイスコイルと、内周がこのボイスコイルに結合され、外周がエッジ部を介して前記フレームに結合される請求項1または請求項2に記載のスピーカ用振動板とで構成されるスピーカ。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003354832A JP4407229B2 (ja) | 2003-10-15 | 2003-10-15 | スピーカ用振動板およびこれを用いたスピーカ |
KR1020057006014A KR100623032B1 (ko) | 2003-10-15 | 2004-10-14 | 스피커용 진동판 및 이를 이용한 스피커 |
PCT/JP2004/015553 WO2005036923A1 (ja) | 2003-10-15 | 2004-10-14 | スピーカ用振動板およびこれを用いたスピーカ |
EP04792703A EP1549106A4 (en) | 2003-10-15 | 2004-10-14 | SPEAKER MEMBRANE, AND SPEAKER USING THE SAME |
CN200480001027A CN100579291C (zh) | 2003-10-15 | 2004-10-14 | 扬声器用振动膜片及使用该振动膜片的扬声器 |
US10/528,780 US7315628B2 (en) | 2003-10-15 | 2004-10-14 | Diaphragm for loud speaker and loud speaker employing it |
TW093131177A TW200520591A (en) | 2003-10-15 | 2004-10-14 | Diaphragm for a loudspeaker and loudspeaker using it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003354832A JP4407229B2 (ja) | 2003-10-15 | 2003-10-15 | スピーカ用振動板およびこれを用いたスピーカ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005123779A true JP2005123779A (ja) | 2005-05-12 |
JP4407229B2 JP4407229B2 (ja) | 2010-02-03 |
Family
ID=34431195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003354832A Expired - Lifetime JP4407229B2 (ja) | 2003-10-15 | 2003-10-15 | スピーカ用振動板およびこれを用いたスピーカ |
Country Status (7)
Country | Link |
---|---|
US (1) | US7315628B2 (ja) |
EP (1) | EP1549106A4 (ja) |
JP (1) | JP4407229B2 (ja) |
KR (1) | KR100623032B1 (ja) |
CN (1) | CN100579291C (ja) |
TW (1) | TW200520591A (ja) |
WO (1) | WO2005036923A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7899204B2 (en) | 2004-05-27 | 2011-03-01 | Panasonic Corporation | Speaker |
US8532327B2 (en) | 2010-12-08 | 2013-09-10 | Panasonic Corporation | Diaphragm and speaker device provided with the same |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1654907B1 (en) * | 2003-08-08 | 2011-12-07 | PSS Belgium NV | Shallow loudspeaker |
JP4710462B2 (ja) * | 2005-07-21 | 2011-06-29 | ソニー株式会社 | スピーカ振動板及びスピーカ振動板製造方法 |
CN1812639B (zh) * | 2005-12-05 | 2011-11-23 | 程光 | 预应力振膜 |
CN1933678A (zh) * | 2006-09-30 | 2007-03-21 | 宁波升亚电子有限公司 | 电磁振动器及其制造方法 |
US8110951B2 (en) * | 2008-12-17 | 2012-02-07 | Hsin Min Huang | Electromagnetic vibrator and producing method thereof |
CN203813950U (zh) * | 2014-05-15 | 2014-09-03 | 苏州上声电子有限公司 | 一种振动膜片 |
US9628917B2 (en) | 2014-07-23 | 2017-04-18 | Bose Corporation | Sound producing system |
US9900698B2 (en) * | 2015-06-30 | 2018-02-20 | Apple Inc. | Graphene composite acoustic diaphragm |
CN105376679B (zh) * | 2015-12-10 | 2018-11-09 | 歌尔股份有限公司 | 振膜及设有该振膜的扬声器 |
USD856981S1 (en) * | 2016-09-23 | 2019-08-20 | Tymphany Hk Limited | Waveguide for a loudspeaker |
JP7299454B2 (ja) * | 2018-08-31 | 2023-06-28 | オンキヨー株式会社 | 振動板またはダストキャップ並びにスピーカーユニット |
US11910174B1 (en) | 2023-03-31 | 2024-02-20 | Alexander Faraone | Radially arcuated unistructural speaker cone with segmented dome |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53119023A (en) | 1977-03-26 | 1978-10-18 | Kenzou Inoue | Moving coil type sound converting vibration plate |
JPS55147898A (en) | 1979-05-08 | 1980-11-18 | Mitsubishi Electric Corp | Speaker cone and its production |
JPS5778299A (en) * | 1980-10-31 | 1982-05-15 | Houyuu Gomme Kk | Diaphragm for speaker |
JPS6482896A (en) * | 1987-09-25 | 1989-03-28 | Matsushita Electric Ind Co Ltd | Diaphragm for loudspeaker |
JPH06149594A (ja) | 1992-11-10 | 1994-05-27 | Matsushita Electric Ind Co Ltd | マルチタスク実行装置 |
JPH1175290A (ja) | 1997-09-01 | 1999-03-16 | Mitsubishi Electric Corp | スピーカー振動板およびその製造方法 |
US6026929A (en) * | 1997-11-10 | 2000-02-22 | Single Source Technology And Development, Inc. | High frequency radially arcuated center speaker cone with variable thickness |
JP3508834B2 (ja) | 1999-04-22 | 2004-03-22 | 株式会社ケンウッド | スピーカ振動板 |
JP2002078075A (ja) * | 2000-08-31 | 2002-03-15 | Pioneer Electronic Corp | スピーカ用振動板 |
US20050078850A1 (en) * | 2003-09-08 | 2005-04-14 | Norton John M. | Audio loudspeaker |
-
2003
- 2003-10-15 JP JP2003354832A patent/JP4407229B2/ja not_active Expired - Lifetime
-
2004
- 2004-10-14 TW TW093131177A patent/TW200520591A/zh unknown
- 2004-10-14 WO PCT/JP2004/015553 patent/WO2005036923A1/ja active Application Filing
- 2004-10-14 CN CN200480001027A patent/CN100579291C/zh active Active
- 2004-10-14 EP EP04792703A patent/EP1549106A4/en not_active Withdrawn
- 2004-10-14 KR KR1020057006014A patent/KR100623032B1/ko not_active IP Right Cessation
- 2004-10-14 US US10/528,780 patent/US7315628B2/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7899204B2 (en) | 2004-05-27 | 2011-03-01 | Panasonic Corporation | Speaker |
US8532327B2 (en) | 2010-12-08 | 2013-09-10 | Panasonic Corporation | Diaphragm and speaker device provided with the same |
Also Published As
Publication number | Publication date |
---|---|
EP1549106A4 (en) | 2011-01-19 |
KR20050083732A (ko) | 2005-08-26 |
CN100579291C (zh) | 2010-01-06 |
JP4407229B2 (ja) | 2010-02-03 |
WO2005036923A1 (ja) | 2005-04-21 |
EP1549106A1 (en) | 2005-06-29 |
KR100623032B1 (ko) | 2006-09-12 |
US7315628B2 (en) | 2008-01-01 |
TW200520591A (en) | 2005-06-16 |
US20060062421A1 (en) | 2006-03-23 |
CN1701631A (zh) | 2005-11-23 |
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