JPH05316590A - Elliptic speaker - Google Patents
Elliptic speakerInfo
- Publication number
- JPH05316590A JPH05316590A JP4114569A JP11456992A JPH05316590A JP H05316590 A JPH05316590 A JP H05316590A JP 4114569 A JP4114569 A JP 4114569A JP 11456992 A JP11456992 A JP 11456992A JP H05316590 A JPH05316590 A JP H05316590A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- edge
- speaker
- vibration
- elliptical
- 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
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は各種音響機器に使用され
る楕円形スピーカに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elliptical speaker used for various audio equipment.
【０００２】[0002]
【従来の技術】近年、スピーカはソフトの性能向上に伴
い高音質化、高性能化がますます要求されてきている。
このような要求に応えるスピーカとして楕円形スピーカ
が注目されている。2. Description of the Related Art In recent years, loudspeakers have been required to have higher sound quality and higher performance as software performance has improved.
As a speaker that meets such a demand, an elliptical speaker is receiving attention.
【０００３】以下、従来の楕円スピーカについて図３を
用いて説明する。図３において１はセンターポール２を
有する下部プレート、３はリング状のマグネット、４は
同じくリング状の上部プレートで、これらで磁気回路５
を形成している。A conventional elliptical speaker will be described below with reference to FIG. In FIG. 3, 1 is a lower plate having a center pole 2, 3 is a ring-shaped magnet, 4 is a ring-shaped upper plate, and these are magnetic circuits 5
Is formed.
【０００４】この磁気回路５には楕円形状のフレーム６
が結合され、このフレーム６の周縁部にはガスケット７
とともに楕円形の振動板８の周縁部に結合したエッジ９
が結合されている。この振動板８の中央部にはボイスコ
イル１０が結合され、このボイスコイル１０の中間部は
ダンパー１１で保持されボイスコイル１０の下部は上記
磁気回路５の磁気ギャップ１２に偏心することなくはま
りこんでいる。また、振動板８の中央部上面にはダスト
キャップ１３が貼付けられて構成されている。The magnetic circuit 5 includes an elliptical frame 6
Are joined together, and a gasket 7 is attached to the periphery of the frame 6.
Together with the edge 9 connected to the periphery of the oval diaphragm 8
Are combined. A voice coil 10 is coupled to the central portion of the diaphragm 8, the middle portion of the voice coil 10 is held by a damper 11, and the lower portion of the voice coil 10 is fitted into the magnetic gap 12 of the magnetic circuit 5 without being eccentric. There is. A dust cap 13 is attached to the upper surface of the central portion of the diaphragm 8.
【０００５】以上のように構成された楕円形スピーカの
動作について説明する。ボイスコイル１０に入力信号が
供給されると、磁気ギャップ１２の磁束によりフレミン
グの左手の法則に従い上下方向に振動し、このボイスコ
イル１０に結合された振動板８も振動しその振動が音波
となり空気中を伝播する。The operation of the elliptical speaker configured as described above will be described. When an input signal is supplied to the voice coil 10, the magnetic flux of the magnetic gap 12 vibrates vertically in accordance with Fleming's left-hand rule, and the diaphragm 8 coupled to the voice coil 10 also vibrates, and the vibration becomes a sound wave. Propagate inside.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、上記従
来の構成では振動板８が振動する際に振動板８の周縁部
のエッジ９との接合部分に大きな応力がかかって変形す
る。しかも振動板８が楕円形のため、長径方向と短径方
向において応力のかかり方が大幅に異なってエッジ共振
による音圧−周波数特性の乱れや歪み発生の大きな要因
となり、満足できるものではないといった問題点があっ
た。However, in the above-described conventional configuration, when the diaphragm 8 vibrates, a large stress is applied to the peripheral portion of the diaphragm 8 and the edge 9 to be deformed. Moreover, since the diaphragm 8 has an elliptical shape, the stress applied in the major axis direction and the minor axis direction are significantly different from each other, which is a major cause of disturbance and distortion of the sound pressure-frequency characteristics due to edge resonance, which is not satisfactory. There was a problem.
【０００７】本発明は以上のような従来の問題点を解決
し特性面で優れた楕円形スピーカを提供することを目的
とするものである。It is an object of the present invention to solve the above conventional problems and provide an elliptical speaker having excellent characteristics.
【０００８】[0008]
【課題を解決するための手段】上記課題を解決するため
に本発明は、磁気回路に結合された楕円形のフレームの
周縁部に楕円形状の振動板の周縁部から少なくとも５mm
以上中心側に結合し振動板の長径側は幅が広く、短径側
は幅が狭いエッジを結合し、上記振動板の中央部に磁気
回路の磁気ギャップにはまりこむボイスコイルを結合し
た構成としたものである。In order to solve the above-mentioned problems, the present invention provides a peripheral portion of an elliptical frame coupled to a magnetic circuit at least 5 mm from the peripheral portion of an elliptical diaphragm.
As described above, a structure in which an edge having a wide width on the long side of the diaphragm and a narrow width on the short side is connected to the center side and a voice coil that fits in the magnetic gap of the magnetic circuit is connected to the center of the diaphragm is formed. It was done.
【０００９】[0009]
【作用】上記構成とすることにより、振動板の振動時に
周縁部にかかる応力が少なくなり、しかも振動板の長径
側のエッジは幅が広いため動きやすくなっているため振
動板を変形させる応力が大幅に軽減でき、特性の安定化
が図れることになる。With the above structure, the stress applied to the peripheral portion of the diaphragm during vibration is reduced, and the edge on the major axis side of the diaphragm is wide so that it is easy to move. It can be greatly reduced and the characteristics can be stabilized.
【００１０】[0010]
【実施例】以下、本発明の一実施例について図面を参照
しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１１】図１において、１４は磁気回路で、この磁
気回路１４はセンターポール１５を有する下部プレート
１６、リング状のマグネット１７、同じくリング状の上
部プレート１８によって構成されている。この磁気回路
１４には楕円形のフレーム１９が結合されており、この
フレーム１９の周縁部にはガスケット２０が結合されて
いる。In FIG. 1, reference numeral 14 denotes a magnetic circuit, which is composed of a lower plate 16 having a center pole 15, a ring-shaped magnet 17, and a ring-shaped upper plate 18. An elliptical frame 19 is connected to the magnetic circuit 14, and a gasket 20 is connected to the peripheral edge of the frame 19.
【００１２】このフレーム１９の周縁部より少し中心側
には段部２１が形成され、この段部２１にはエッジ２２
の外周縁部が結合されている。このエッジ２２の内周縁
部はコーン状でしかも楕円形状の振動板２３の周縁部よ
り少なくとも５mm以上中心側に外側面に結合されてお
り、しかも、このエッジ２２は振動板２３の長径部に対
応する部分は幅広に、短径部に対応する部分は幅狭にな
るように形成されている。したがって、振動板２３の周
縁部は完全にフリーな状態となっている。A step portion 21 is formed slightly on the center side from the peripheral edge portion of the frame 19, and an edge 22 is formed on the step portion 21.
The outer peripheral edges of the are joined together. The inner peripheral edge portion of the edge 22 is connected to the outer side surface at least 5 mm or more from the peripheral edge portion of the diaphragm 23 having a cone shape and an elliptical shape, and the edge 22 corresponds to the long diameter portion of the diaphragm 23. The portion to be formed is wide and the portion corresponding to the short diameter portion is formed to be narrow. Therefore, the peripheral portion of the diaphragm 23 is completely free.
【００１３】また、振動板２３の中央部にはボイスコイ
ル２４が結合され、このボイスコイル２４の中間部はダ
ンパー２５によって保持され、ボイスコイル２４の下部
は上記磁気回路１４の磁気ギャップ２６に偏心すること
なくはまりこんでいる。そして、振動板２３の中央部の
上面にはダストキャップ２７が貼付けられている。A voice coil 24 is coupled to the central portion of the diaphragm 23, an intermediate portion of the voice coil 24 is held by a damper 25, and a lower portion of the voice coil 24 is eccentric to a magnetic gap 26 of the magnetic circuit 14. I am stuck without doing. A dust cap 27 is attached to the upper surface of the central portion of the diaphragm 23.
【００１４】以上のように構成された楕円形スピーカの
動作について説明する。磁気回路１４の磁気ギャップ２
６に位置するボイスコイル２４に入力信号が印加される
とボイスコイル２４はフレミングの左手の法則により上
下方向に振動し、このボイスコイル２４に結合した振動
板２３も振動し、振動板２３の前面より音波が放射され
ることになる。The operation of the elliptical speaker configured as described above will be described. Magnetic gap 2 of magnetic circuit 14
When an input signal is applied to the voice coil 24 located at 6, the voice coil 24 vibrates vertically according to Fleming's left-hand rule, and the diaphragm 23 coupled to the voice coil 24 also vibrates, and the front surface of the diaphragm 23 is vibrated. Sound waves will be emitted more.
【００１５】このとき、楕円形状の振動板２３の周縁部
はフリーであり、その周縁部から少なくとも５mm以上中
心側の外側面を振動板２３の長径部側は幅が広く、短径
部側は幅が狭いエッジ２２で支持しているため振動板２
３の振動に対しての障害が少なく、楕円形状の振動板２
３が均一に振動し、振動板２３の周縁部の変形がなくな
り、エッジ共振による周波数特性の異常や歪の発生を抑
えることができる。At this time, the peripheral portion of the elliptical diaphragm 23 is free, and the outer side surface at least 5 mm away from the peripheral portion of the diaphragm 23 is wide on the long diameter side and wide on the short diameter side. The diaphragm 2 is supported by the narrow edge 22.
Oval diaphragm 2 with few obstacles to the vibration of 3
3 vibrates uniformly, deformation of the peripheral portion of the diaphragm 23 is eliminated, and abnormalities in frequency characteristics and distortion due to edge resonance can be suppressed.
【００１６】図２に１２cm×６cmの楕円形スピーカの本
発明の構成と、従来の構成による音圧周波数特性と歪特
性を示す。図２において実線は本発明を、破線は従来例
の特性を示しており、本発明の楕円形スピーカは平坦な
音圧周波数特性を示し、しかも歪が少ないという結果が
得られることが明らかである。FIG. 2 shows a sound pressure frequency characteristic and a distortion characteristic of a 12 cm × 6 cm elliptical speaker according to the present invention and a conventional structure. In FIG. 2, the solid line shows the characteristics of the present invention and the broken line shows the characteristics of the conventional example, and it is clear that the elliptical speaker of the present invention exhibits flat sound pressure frequency characteristics and there is little distortion. ..
【００１７】なお、エッジ２２の振動板２３に結合する
位置を少なくとも周縁部から少なくとも５mm以上中心側
としたのは、５mm以内であると周縁部に結合したものと
ほとんど変らず、十分な特性面での効果が得られないた
めであり、また、あまりにも中心側になりすぎると、振
動板２３の支持ができなくなることになり、振動板２３
の大きさにもよるが５mm〜１０mm程度が有効である。It should be noted that the position of the edge 22 to be connected to the diaphragm 23 is at least 5 mm or more from the peripheral edge toward the center side. If it is within 5 mm, it is almost the same as the one connected to the peripheral edge and a sufficient characteristic surface is obtained. This is because the effect cannot be obtained, and if it is too close to the center side, it becomes impossible to support the diaphragm 23.
Depending on the size of the, 5mm ~ 10mm is effective.
【００１８】[0018]
【発明の効果】以上のように本発明の楕円形スピーカは
構成されるため、楕円形状の振動板の振動時にエッジに
より応力が加わることが殆んどなくなり、安定した振動
となり、平坦な音圧周波数特性が得られるとともに歪が
少ない優れた再生ができるものとなり、工業的価値の大
なるものである。Since the elliptical speaker of the present invention is configured as described above, stress is hardly applied by the edge during vibration of the elliptical diaphragm, stable vibration is achieved, and flat sound pressure is obtained. The frequency characteristics can be obtained and excellent reproduction with little distortion can be achieved, which is of great industrial value.
【図１】本発明の一実施例の楕円形スピーカの９０度分
を切断した面を展開した状態の断面図FIG. 1 is a cross-sectional view of an elliptical speaker according to an embodiment of the present invention in which a surface cut at 90 degrees is developed.
【図２】本発明と従来の楕円形スピーカの音圧周波数お
よび歪特性図FIG. 2 is a sound pressure frequency and distortion characteristic diagram of the present invention and a conventional elliptical speaker.
【図３】従来の楕円形スピーカの９０度分を切断した面
を展開した状態の断面図FIG. 3 is a cross-sectional view of a state in which a surface cut at 90 degrees of a conventional elliptical speaker is developed.
１４ 磁気回路 １９ フレーム ２１ 段部 ２２ エッジ ２３ 振動板 ２４ ボイスコイル ２５ ダンパー ２６ 磁気ギャップ 14 magnetic circuit 19 frame 21 step 22 edge 23 diaphragm 24 voice coil 25 damper 26 magnetic gap
Claims (1)
周縁部に楕円形状の振動板の周縁部から少なくとも５mm
以上中心部側に結合し振動板の長径側は幅が広く短径側
は幅が狭いエッジを結合し、上記振動板の中央部に上記
磁気回路の磁気ギャップにはまりこむボイスコイルを結
合してなる楕円形スピーカ。1. At least 5 mm from the peripheral portion of the elliptical diaphragm on the peripheral portion of the elliptical frame coupled to the magnetic circuit.
The edges are connected to the center side and the width is wide on the major axis side and narrow on the minor axis side, and the voice coil that fits into the magnetic gap of the magnetic circuit is coupled to the center of the diaphragm. Oval speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4114569A JP3049936B2 (en) | 1992-05-07 | 1992-05-07 | Oval speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4114569A JP3049936B2 (en) | 1992-05-07 | 1992-05-07 | Oval speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05316590A true JPH05316590A (en) | 1993-11-26 |
| JP3049936B2 JP3049936B2 (en) | 2000-06-05 |
Family
ID=14641112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4114569A Expired - Fee Related JP3049936B2 (en) | 1992-05-07 | 1992-05-07 | Oval speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3049936B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002091797A1 (en) * | 2001-05-04 | 2002-11-14 | Robert Michael Grunberg | Coil driven diaphragm |
| WO2004004410A1 (en) * | 2002-06-26 | 2004-01-08 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker edge |
| JP2007311966A (en) * | 2006-05-17 | 2007-11-29 | Pioneer Electronic Corp | Eccentric type diaphragm for speaker device, and speaker device |
| WO2014199000A1 (en) * | 2013-06-14 | 2014-12-18 | Genelec Oy | Suspension element for suspending the diaphragm of a loudspeaker driver to the chassis thereof as well as driver and loudspeaker comprising the same |
| CN107820178A (en) * | 2017-11-24 | 2018-03-20 | 苏州逸巛声学科技有限公司 | A kind of receiver |
| EP4132000A4 (en) * | 2020-03-23 | 2024-03-27 | Tang Band Industries Co., Ltd. | Loudspeaker and assembly method therefor, vibration mechanism, and loudspeaker device |
-
1992
- 1992-05-07 JP JP4114569A patent/JP3049936B2/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002091797A1 (en) * | 2001-05-04 | 2002-11-14 | Robert Michael Grunberg | Coil driven diaphragm |
| WO2004004410A1 (en) * | 2002-06-26 | 2004-01-08 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker edge |
| US7480390B2 (en) | 2002-06-26 | 2009-01-20 | Panasonic Corporation | Loudspeaker edge |
| JP2007311966A (en) * | 2006-05-17 | 2007-11-29 | Pioneer Electronic Corp | Eccentric type diaphragm for speaker device, and speaker device |
| JP4681499B2 (en) * | 2006-05-17 | 2011-05-11 | パイオニア株式会社 | Eccentric type diaphragm for speaker device and speaker device |
| WO2014199000A1 (en) * | 2013-06-14 | 2014-12-18 | Genelec Oy | Suspension element for suspending the diaphragm of a loudspeaker driver to the chassis thereof as well as driver and loudspeaker comprising the same |
| JP2016524411A (en) * | 2013-06-14 | 2016-08-12 | ゲネレク オーワイ | Suspension member for attaching diaphragm of loudspeaker driver to chassis of loudspeaker driver, driver, and loudspeaker having driver |
| US9838793B2 (en) | 2013-06-14 | 2017-12-05 | Genelec Oy | Suspension element for suspending the diaphragm of a loudspeaker driver to the chassis thereof as well as driver and loudspeaker comprising the same |
| CN107820178A (en) * | 2017-11-24 | 2018-03-20 | 苏州逸巛声学科技有限公司 | A kind of receiver |
| EP4132000A4 (en) * | 2020-03-23 | 2024-03-27 | Tang Band Industries Co., Ltd. | Loudspeaker and assembly method therefor, vibration mechanism, and loudspeaker device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3049936B2 (en) | 2000-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3924918B2 (en) | Elliptical speaker | |
| JPH05316590A (en) | Elliptic speaker | |
| JPH11150790A (en) | Speaker | |
| JPH11150791A (en) | Speaker | |
| JP2004312599A (en) | Speaker | |
| JP2568786B2 (en) | Speaker | |
| JP3077240B2 (en) | Speaker | |
| JP3651482B2 (en) | Speaker | |
| JPH1042392A (en) | Speaker | |
| JP3399073B2 (en) | Speaker | |
| JP2943463B2 (en) | Speaker | |
| JP2568682Y2 (en) | Composite speaker | |
| JPH06225385A (en) | Dome-like vibrator for speaker | |
| JP3478927B2 (en) | Speaker | |
| JPH06315194A (en) | Speaker | |
| JPS59183581A (en) | Speaker system | |
| JP3125519B2 (en) | Speaker | |
| JPS5912700A (en) | Composite type speaker | |
| JPH0937385A (en) | Cone type speaker | |
| JP2000278790A (en) | Dynamic electroacoustic transducer | |
| JP3651483B2 (en) | Speaker | |
| JPH09139997A (en) | Speaker | |
| JP2595968B2 (en) | Electrodynamic speaker | |
| JP3064695B2 (en) | Speaker | |
| JPS6219033Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080331 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090331 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100331 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |