JP6861379B2 - 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
- JP6861379B2 JP6861379B2 JP2016240806A JP2016240806A JP6861379B2 JP 6861379 B2 JP6861379 B2 JP 6861379B2 JP 2016240806 A JP2016240806 A JP 2016240806A JP 2016240806 A JP2016240806 A JP 2016240806A JP 6861379 B2 JP6861379 B2 JP 6861379B2
- Authority
- JP
- Japan
- Prior art keywords
- cone
- edge
- section
- speaker
- diaphragm
- 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.)
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- 230000002093 peripheral effect Effects 0.000 claims description 68
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001902 propagating effect Effects 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
- H04R7/127—Non-planar diaphragms or cones dome-shaped
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
-
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
-
- 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
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
-
- 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
- H04R9/025—Magnetic circuit
-
- 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
- H04R2307/021—Diaphragms comprising cellulose-like materials, e.g. wood, paper, linen
-
- 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
- H04R2307/204—Material aspects of the outer suspension of loudspeaker diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
2 上部プレート
3 マグネット
4 磁気ギャップ
5 フレーム
6 振動板
7 コーン
7a コーン7の外周
8 エッジ
8a エッジ8の外周
8b エッジ8の内周
9 ボイスコイル
10 ダンパー
11 ダストキャップ
12,13,14 大径区間
15,16,17 小径区間
18 外周固定部
19 内周固定部
20 ロール部
21 貼り合わせ部
22 第1区間
22A コーン7の外周形状に沿った第1区間
23 内周固定部19と貼り合わせ部21の境の段差
S コーン7の中心
a,b,c コーン7の外周の120°間隔の点
v1 外周固定部18の肉厚
v2 ロール部20の肉厚
v3 内周固定部19の肉厚
v4 貼り合わせ部21の肉厚
w 貼り合わせ部21の長さ
u 第1区間22の中央付近の肉厚
r コーン7の裏面側に屈曲した距離
Claims (4)
- 外周から内周に向かって曲面で、外周の3か所の大径区間が中心から等しい半径:L上に位置し、前記3か所の大径区間のうちの隣接する前記大径区間の間が、前記半径:Lよりも径が小さい円弧の小径区間で接続した形状で、かつ中心部周辺に向かって徐々に円形に成形されたコーンと、
内周部が前記コーンの外周に接続された環状のエッジとを有し、
前記エッジの内周径が、前記コーンの前記小径区間の最小径より小さく、前記エッジの内周部が、前記コーンの裏面と表面のうちの表面に接着されており、
前記エッジの内周と外周との途中に、肉厚が前記エッジの外周よりも厚肉で、密度が前記エッジの外周よりも低密度の厚肉低密度区間を設け、
前記エッジにおける前記厚肉低密度区間よりも内周側の前記コーンと接着する部分の密度が前記厚肉低密度区間よりも高密度である、
スピーカ用振動板。 - 前記コーンの外周部寄りの部分に、肉厚が内周側よりも薄肉で、前記裏面側に屈曲した区間を設けた、
請求項1記載のスピーカ用振動板。 - 前記裏面側に屈曲した区間の平面形状が、真円または前記コーンの外周形状に沿った形状である、
請求項2記載のスピーカ用振動板。 - 請求項1記載のスピーカ用振動板を搭載したスピーカ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016240806A JP6861379B2 (ja) | 2016-12-13 | 2016-12-13 | スピーカ用振動板およびこれを用いたスピーカ |
US15/834,449 US10375478B2 (en) | 2016-12-13 | 2017-12-07 | Loudspeaker diaphragm and loudspeaker including same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016240806A JP6861379B2 (ja) | 2016-12-13 | 2016-12-13 | 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 |
---|---|
JP2018098621A JP2018098621A (ja) | 2018-06-21 |
JP6861379B2 true JP6861379B2 (ja) | 2021-04-21 |
Family
ID=62490410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016240806A Active JP6861379B2 (ja) | 2016-12-13 | 2016-12-13 | スピーカ用振動板およびこれを用いたスピーカ |
Country Status (2)
Country | Link |
---|---|
US (1) | US10375478B2 (ja) |
JP (1) | JP6861379B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021119916A1 (zh) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | 一种振膜及扬声器 |
JP2021164045A (ja) | 2020-03-31 | 2021-10-11 | パナソニックIpマネジメント株式会社 | スピーカ用振動板、スピーカ、スピーカ用振動板の製造方法、電子機器および、移動体装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS533781Y2 (ja) * | 1972-10-24 | 1978-01-31 | ||
JPS57117889U (ja) * | 1981-01-13 | 1982-07-21 | ||
JPS57133194U (ja) * | 1981-02-12 | 1982-08-19 | ||
JPS59147393U (ja) * | 1983-03-22 | 1984-10-02 | 日本ビクター株式会社 | エツジ構造 |
US5319718A (en) * | 1991-10-11 | 1994-06-07 | Yocum Fred D | Loudspeaker cone and method for making same |
DK110993D0 (da) * | 1993-10-04 | 1993-10-04 | Vifa Speak As | Hoejttaler |
US6224801B1 (en) * | 1995-03-21 | 2001-05-01 | Harman International Industries Incorporated | Method of making a speaker |
JP3796937B2 (ja) * | 1998-01-13 | 2006-07-12 | 松下電器産業株式会社 | スピーカ |
US6724910B1 (en) * | 1999-10-04 | 2004-04-20 | Harman International Industries, Incorporated | Diaphragm stable through hygroscopic cycling |
JP4576991B2 (ja) * | 2004-11-22 | 2010-11-10 | パナソニック株式会社 | 振動板とそれを用いたスピーカ |
JP4658087B2 (ja) * | 2007-04-18 | 2011-03-23 | パイオニア株式会社 | スピーカ用エッジおよびスピーカ装置 |
-
2016
- 2016-12-13 JP JP2016240806A patent/JP6861379B2/ja active Active
-
2017
- 2017-12-07 US US15/834,449 patent/US10375478B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20180167734A1 (en) | 2018-06-14 |
US10375478B2 (en) | 2019-08-06 |
JP2018098621A (ja) | 2018-06-21 |
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