JPH09139997A - Speaker - Google Patents
SpeakerInfo
- Publication number
- JPH09139997A JPH09139997A JP29393995A JP29393995A JPH09139997A JP H09139997 A JPH09139997 A JP H09139997A JP 29393995 A JP29393995 A JP 29393995A JP 29393995 A JP29393995 A JP 29393995A JP H09139997 A JPH09139997 A JP H09139997A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- voice coil
- end surface
- coil bobbin
- elongated
- 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
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は映像・音響機器等に
使用される細長形状の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 elongated speaker used for video / audio equipment and the like.
【0002】[0002]
【従来の技術】従来の細長形状のスピーカについて、図
7〜図9により説明する。図7は平面図であり、図8は
図7をA−A断面して示した短径方向の断面図である。
同図において、14はスリム形状に構成されたコーン形
振動板、15はエッジ、16はフレーム、17はコーン
形振動板14の中央部に接合されたダストキャップ、1
9はフレーム16の内部に納まる外形寸法で構成された
ダンパーである。また、20はリング状に構成されたボ
イスコイル、21はマグネット、22は前記リング状に
構成されたボイスコイル20が収納されるリング状の磁
気ギャップ、23,24は磁気ギャップ22を構成する
ためのヨークである。2. Description of the Related Art A conventional elongated speaker will be described with reference to FIGS. FIG. 7 is a plan view, and FIG. 8 is a sectional view taken along the line AA of FIG. 7 in the minor axis direction.
In the figure, 14 is a cone-shaped diaphragm configured in a slim shape, 15 is an edge, 16 is a frame, 17 is a dust cap joined to the central portion of the cone-shaped diaphragm 14, 1
Reference numeral 9 denotes a damper having an external size that can be accommodated inside the frame 16. Further, 20 is a voice coil having a ring shape, 21 is a magnet, 22 is a ring-shaped magnetic gap in which the voice coil 20 having the ring shape is housed, and 23 and 24 are magnetic gaps 22. It's York.
【0003】以上のように構成された従来の細長構造の
スピーカの動作について説明すると、リング状に構成さ
れたボイスコイル20に駆動電流が流れることによって
ボイスコイル20がピストン運動し、振動板14がその
方向に振動する。The operation of the conventional speaker having a slender structure as described above will be described. When a driving current flows through the voice coil 20 having a ring shape, the voice coil 20 makes a piston movement, and the diaphragm 14 is moved. It vibrates in that direction.
【0004】その結果、振動板14より音波が放射され
る。図9はこのスピーカの音圧周波数特性を示してい
る。As a result, the diaphragm 14 emits sound waves. FIG. 9 shows the sound pressure frequency characteristics of this speaker.
【0005】[0005]
【発明が解決しようとする課題】しかしながら、上記の
ような従来のスピーカには次のような問題点があった。
即ち、スリム形状に構成されたコーン形振動板14の中
央部を点駆動するという駆動方法となるため、長軸方向
の分割共振が発生し易い。However, the conventional speaker as described above has the following problems.
That is, since the driving method is such that the central portion of the cone-shaped diaphragm 14 having a slim shape is point-driven, split resonance in the major axis direction easily occurs.
【0006】その結果、中高域では再生音圧の周波数特
性上にピークやディップを生じ、音質の劣化を招いてい
た。例えば、図9に示す音圧周波数特性上では、2kH
z、3kHz及び5kHzに顕著なディップが見られる。As a result, peaks and dips occur in the frequency characteristics of reproduced sound pressure in the middle and high frequencies, resulting in deterioration of sound quality. For example, on the sound pressure frequency characteristic shown in FIG.
Significant dips are seen at z, 3 kHz and 5 kHz.
【0007】また、磁気ギャップ22を構成するための
ヨーク23,24とボイスコイル20を含む駆動系の幅
は、スピーカの短径の長さより小さくなる。The width of the drive system including the yokes 23 and 24 for forming the magnetic gap 22 and the voice coil 20 is smaller than the length of the minor axis of the speaker.
【0008】従って、このようなスピーカでは、ボイス
コイル20の口径を大きく取ることは物理的に不可能で
あるから、ボイスコイル20の線長も長くすることはで
きない。またマグネット21の体積も小さく限定される
ために、磁気ギャップ22の磁束密度を十分に確保する
ことができない。Therefore, in such a speaker, it is physically impossible to increase the diameter of the voice coil 20, so that the line length of the voice coil 20 cannot be increased. Further, since the volume of the magnet 21 is limited to be small, the magnetic flux density of the magnetic gap 22 cannot be sufficiently secured.
【0009】その結果、駆動系の力係数(B×L)は小
さくなり、変換効率を高くすることが困難であった。さ
らに、ダンパー19はフレーム16の内部に納まるよう
に曲率半径・幅ともに小さくする必要がある。As a result, the force coefficient (B × L) of the drive system becomes small and it is difficult to increase the conversion efficiency. Further, the damper 19 needs to have a small radius of curvature and a small width so as to be housed inside the frame 16.
【0010】そして振動系のスティフネスが大きくなっ
て、最低共振周波数f0が上昇し、低音域の再生が困難
になるという欠点があった。Further, the stiffness of the vibration system becomes large, the minimum resonance frequency f 0 rises, and it is difficult to reproduce the low frequency range.
【0011】また、ボイスコイル20の口径を大きく取
ることが不可能であることから、スピーカの耐入力を低
く設定せざるを得ないという欠点を有していた。Further, since it is impossible to make the diameter of the voice coil 20 large, there is a drawback that the input resistance of the speaker must be set low.
【0012】本発明は以上のような課題を解決すること
を目的とするものである。An object of the present invention is to solve the above problems.
【0013】[0013]
【課題を解決するための手段】本発明のスピーカは、長
手方向の2辺に直線状部を設けた細長の椀状の振動板の
内側に長手方向と交差する方向に設けられた一対のリブ
を設けるとともに、前記細長の椀状の振動板の外周端面
と前記リブの下端面で形成される略矩形形状のボイスコ
イルボビン接合用下端面部にボイスコイルボビンを接合
するとともに、前記ボイスコイルボビンと接合される前
記振動板の前記外周端面が前記振動板の全外周端面の少
なくとも1/2以上としたものであり、この構成によっ
て、変換効率の向上、低音域特性の向上、耐入力の向上
を図るものである。A speaker according to the present invention comprises a pair of ribs provided inside a slender bowl-shaped diaphragm having straight portions on two sides in the longitudinal direction and intersecting the longitudinal direction. In addition, the voice coil bobbin is joined to the substantially rectangular voice coil bobbin joining lower end face formed by the outer peripheral end face of the elongated bowl-shaped diaphragm and the lower end face of the rib, and is joined to the voice coil bobbin. The outer peripheral end surface of the diaphragm is made to be at least ½ or more of the entire outer peripheral end surface of the diaphragm. With this configuration, it is possible to improve the conversion efficiency, the bass range characteristics, and the input resistance. is there.
【0014】[0014]
【発明の実施の形態】本発明の請求項1に記載の発明の
スピーカは、長手方向の2辺に直線状部を設けた細長の
椀状の振動板と、この振動板の外周端面に接合された外
周が細長形状のエッジと、このエッジの外周を固着する
細長形状のフレームと、前記細長の椀状の振動板の内側
に長手方向と交差する方向に設けられた一対のリブと、
上端面が前記細長の椀状の振動板の外周端面と前記リブ
の下端面で形成される略矩形形状のボイスコイルボビン
接合用下端面部に接合されるとともに、ボイスコイルが
巻回された略矩形形状のボイスコイルボビンと、この略
矩形形状のボイスコイルボビンに巻回された前記ボイス
コイルを挿入する磁気ギャップを有する磁気回路とで構
成されるスピーカであって、前記ボイスコイルボビンと
接合される前記振動板の前記外周端面が前記振動板の全
外周端面の少なくとも1/2以上としたものであり、変
換効率の向上、低音域特性の向上、耐入力の向上を図る
ものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A loudspeaker of the present invention according to claim 1 of the present invention is an elongated bowl-shaped diaphragm provided with linear portions on two sides in the longitudinal direction, and is joined to an outer peripheral end surface of the diaphragm. The outer periphery is an elongated edge, an elongated frame for fixing the outer periphery of the edge, a pair of ribs provided inside the elongated bowl-shaped diaphragm in a direction intersecting the longitudinal direction,
The upper end surface is joined to the substantially rectangular voice coil bobbin joining lower end surface portion formed by the outer peripheral end surface of the elongated bowl-shaped diaphragm and the lower end surface of the rib, and the substantially rectangular shape around which the voice coil is wound. A voice coil bobbin and a magnetic circuit having a magnetic gap into which the voice coil wound around the substantially rectangular voice coil bobbin is inserted, the speaker comprising: The outer peripheral end face is made to be at least ½ or more of the entire outer peripheral end face of the diaphragm to improve the conversion efficiency, the bass range characteristic, and the input resistance.
【0015】本発明の請求項2に記載の発明のスピーカ
は、長手方向の2辺に直線状部を設けた細長の椀状の振
動板と、この振動板の外周端面に接合された外周が細長
形状のエッジと、このエッジの外周を固着する細長形状
のフレームと、前記細長の椀状の振動板の内側に長手方
向と交差する方向に設けられた一対のリブと、上端面が
前記細長の椀状の振動板の外周端面と前記リブの下端面
で形成される略矩形形状のボイスコイルボビン接合用下
端面部に接合されるとともに、ボイスコイルが巻回され
た略矩形形状のボイスコイルボビンと、この略矩形形状
のボイスコイルボビンに巻回された前記ボイスコイルを
挿入する磁気ギャップを有する磁気回路とで構成される
スピーカであって、前記振動板の長手方向の両端近傍に
設けられたダンパー接合用リブと、このリブの下端面と
接続されるとともに、前記フレームに接合されたダンパ
ーを設けたものであり、変換効率の向上、低音域特性の
向上、耐入力の向上に加え、前記振動板の上下振動時の
長手方向と直角の方向(短手方向)のローリング現象も
防止できるものである。According to a second aspect of the present invention, the speaker has an elongated bowl-shaped diaphragm having straight portions on two sides in the longitudinal direction, and an outer periphery joined to the outer peripheral end face of the diaphragm. An elongated edge, an elongated frame that secures the outer periphery of the edge, a pair of ribs provided inside the elongated bowl-shaped diaphragm in a direction intersecting the longitudinal direction, and an upper end surface of the elongated edge. While being joined to a substantially rectangular voice coil bobbin joining lower end surface portion formed by the outer peripheral end surface of the bowl-shaped diaphragm and the lower end surface of the rib, a substantially rectangular voice coil bobbin around which a voice coil is wound, A speaker comprising a magnetic circuit having a magnetic gap into which the voice coil wound around the substantially rectangular voice coil bobbin is inserted, the damper being provided near both ends of the diaphragm in the longitudinal direction. A joint rib and a damper connected to the lower end surface of the rib and joined to the frame are provided to improve the conversion efficiency, the bass range characteristic, the input resistance, and the vibration. It is also possible to prevent the rolling phenomenon in the direction perpendicular to the longitudinal direction (short direction) when the plate vibrates vertically.
【0016】本発明の請求項3に記載の発明のスピーカ
は、請求項1のリブまたは請求項2のダンパー接合用リ
ブより長手方向の外方に向かって両端近傍まで他のリブ
を設けたものであり、高域限界周波数の拡大を可能とす
るものである。According to a third aspect of the present invention, the speaker is provided with other ribs extending outward in the longitudinal direction from the rib of the first aspect or the rib for connecting the damper of the second aspect to the vicinity of both ends. Therefore, it is possible to expand the high limit frequency.
【0017】以下、本発明の実施の形態について図1〜
図6により説明する。 (実施の形態1)図1は平面図であり、図2は図1のB
−B断面図であり、図3は要部である振動部材の斜視図
である。Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. (Embodiment 1) FIG. 1 is a plan view, and FIG. 2 is B of FIG.
FIG. 3B is a sectional view taken along line B, and FIG.
【0018】同図によると、1はスリムな細長形状に構
成され長手方向に直線状部を有する椀状の振動板、2は
振動板1の外周部に接合された細長形状のエッジ、3は
エッジ2の外周部を固着支持した細長形状のフレームで
ある。According to FIG. 1, 1 is a bowl-shaped diaphragm having a slim elongated shape and having a linear portion in the longitudinal direction, 2 is an elongated edge joined to the outer peripheral portion of the diaphragm 1, and 3 is It is an elongated frame in which the outer peripheral portion of the edge 2 is fixedly supported.
【0019】4は振動板1の内壁部に長手方向に交差す
る方向に一対設けられたボイスコイルボビン接合用リ
ブ、5は振動板1の振動板外周端面、6は略矩形形状の
ボイスコイルボビン、7はボイスコイルボビン6の下端
面側に巻かれたボイスコイル、8はボイスコイルボビン
6の上側端面と振動板外周端面5およびボイスコイルボ
ビン接合用リブ4とから成る略矩形形状部とを接着した
ボイスコイルボビン接合部であり、この接合部8におい
て、振動板1の外周端面5の略1/2以上がボイスコイ
ルボビン6の上側端面と接合されている。9はボイスコ
イル7が挿入される磁気回路であり、10は振動板1の
両端近傍に設けられたダンパー接合用リブ、11はダン
パーである。Reference numeral 4 denotes a voice coil bobbin joining rib provided on the inner wall of the diaphragm 1 in a direction intersecting with the longitudinal direction, 5 is a diaphragm outer peripheral end surface of the diaphragm 1, 6 is a substantially rectangular voice coil bobbin, 7 Is a voice coil wound around the lower end surface of the voice coil bobbin 6, and 8 is a voice coil bobbin joint in which an upper end surface of the voice coil bobbin 6 and a substantially rectangular shaped portion including the diaphragm outer peripheral end surface 5 and the voice coil bobbin joint rib 4 are adhered. In this joint portion 8, approximately ½ or more of the outer peripheral end surface 5 of the diaphragm 1 is joined to the upper end surface of the voice coil bobbin 6. Reference numeral 9 is a magnetic circuit into which the voice coil 7 is inserted, 10 is a rib for joining dampers provided near both ends of the diaphragm 1, and 11 is a damper.
【0020】以上のように構成された本発明のスピーカ
について図により詳細の構成を説明すると、細長の形状
に構成された振動板1の振動板外周端面5の少なくとも
1/2以上の端面部はボイスコイルボビン6と接合する
ように構成されているので、ボイスコイル7に働く駆動
力がボイスコイルボビン6を介して振動板1に働く。The detailed configuration of the speaker of the present invention configured as described above will be described with reference to the drawings. At least a half or more of the end face 5 of the diaphragm outer peripheral end face 5 of the diaphragm 1 having an elongated shape is Since it is configured to be bonded to the voice coil bobbin 6, the driving force acting on the voice coil 7 acts on the diaphragm 1 via the voice coil bobbin 6.
【0021】なお、上記実施の形態においては、図3に
示すごとくボイスコイルボビン6に巻回されたボイスコ
イル7の長手方向の直線部分のみを磁気回路9の磁気ギ
ャップに挿入するようにしたので、磁気回路9の磁気ギ
ャップをボイスコイル6の全周にわたって形成する必要
がなく、本構成を採用することで特に図示していないが
磁気回路9を構成するヨークとマグネットの構造を極め
て簡単にしてコストダウン、軽量化に寄与することも可
能である。In the above embodiment, as shown in FIG. 3, only the linear portion of the voice coil 7 wound around the voice coil bobbin 6 in the longitudinal direction is inserted into the magnetic gap of the magnetic circuit 9. It is not necessary to form the magnetic gap of the magnetic circuit 9 over the entire circumference of the voice coil 6, and by adopting this configuration, the structure of the yoke and the magnet forming the magnetic circuit 9 can be made extremely simple, which is not particularly shown. It is also possible to contribute to down and weight reduction.
【0022】また、前述の振動板1の長手方向の両端近
傍に設けたダンパー接合用リブ10とこのダンパー接合
用リブ10の下端に接続されるとともに、両端がフレー
ム3に接合されたダンパー11は振動板1の上下振動時
の振動板1の短手方向のローリングを防止する作用を有
しており、これは、ボイスコイルボビン接合部8と接合
される振動板外周端面5が全外周端面の1/2にならな
い場合も前記効果は発揮されるものである。Further, the damper joining rib 10 provided near both ends of the diaphragm 1 in the longitudinal direction, and the damper 11 connected to the lower end of the damper joining rib 10 and joined to the frame 3 at both ends thereof. The diaphragm 1 has an action of preventing rolling in the lateral direction of the diaphragm 1 when the diaphragm 1 vibrates up and down. This is because the diaphragm outer peripheral end surface 5 joined to the voice coil bobbin joint 8 is one of the entire outer peripheral end surfaces. The above-mentioned effects are exhibited even when the ratio does not become / 2.
【0023】また、前記実施の形態では振動板外周端5
の全外周端の1/2以上がボイスコイルボビン6と接合
しておれば良いとしたが、これは目的とする周波数特性
に合致する又は近いものを適宜選択すれば良いものであ
る。Further, in the above embodiment, the outer peripheral edge 5 of the diaphragm is
It has been stated that ½ or more of all the outer peripheral ends of the above are bonded to the voice coil bobbin 6, but this may be appropriately selected to match or be close to the target frequency characteristic.
【0024】以上の構成により、スリムな形状に構成さ
れたスピーカにおいても、大振幅が可能でかつ耐入力の
向上が図れるスピーカを提供することが可能となるもの
である。With the above structure, it is possible to provide a speaker which is capable of large amplitude and improved in input resistance even in a speaker having a slim shape.
【0025】さらに、スピーカの駆動部すなわち磁気回
路9とボイスコイル7を最も効率的に配置することが可
能となるものである。Furthermore, the speaker drive section, that is, the magnetic circuit 9 and the voice coil 7 can be arranged most efficiently.
【0026】即ち、振動板(外周端面5)の1/2以上
の部分に対しボイスコイル7に働く駆動力を伝達するこ
とが可能となることから、低域再生帯域から高域再生帯
域まで振動部の分割共振の少ない振動モードを得ること
を実現でき、低域から高域まで平坦な音圧周波数特性が
得られるものである。That is, since the driving force acting on the voice coil 7 can be transmitted to a half or more portion of the vibration plate (outer peripheral end surface 5), the vibration from the low frequency reproduction band to the high frequency reproduction band is generated. It is possible to obtain a vibration mode with less split resonance of a part, and obtain a flat sound pressure frequency characteristic from a low range to a high range.
【0027】(実施の形態2)図4は要部である振動板
の形状を示した断面図であり、図5は図4の裏面を示し
た平面図であり、(実施の形態1)との相違点のみ説明
すると、13は、振動板1の裏面にボイスコイルボビン
接合用リブ4の外側両端部より振動板1の両端部近傍ま
で設けられた高域分割共振制御リブである。(Embodiment 2) FIG. 4 is a sectional view showing the shape of a diaphragm, which is a main part, and FIG. 5 is a plan view showing the back surface of FIG. Explaining only the difference, the reference numeral 13 denotes a high frequency division resonance control rib provided on the back surface of the diaphragm 1 from the both outer ends of the voice coil bobbin joining rib 4 to the vicinity of both ends of the diaphragm 1.
【0028】これにより、振動板1において、振動板外
周端面5の駆動力の働かない部分(ボイスコイルボビン
6と振動板1との接合部分より外側)の剛性を高め、か
つ、高域周波数特性を伸ばすように高域における振動板
1の分割共振を一部利用しスピーカの高域再生限界を拡
大するものであり、高さ及び厚み等は、適宜設定される
ものである。As a result, in the diaphragm 1, the rigidity of the portion of the diaphragm outer peripheral end surface 5 where the driving force does not work (outside the joint between the voice coil bobbin 6 and the diaphragm 1) is increased, and the high frequency characteristics are improved. This is to expand the high frequency reproduction limit of the speaker by partially utilizing the divided resonance of the diaphragm 1 in the high frequency region so as to extend it, and the height, thickness and the like are set appropriately.
【0029】図6に(実施の形態1)における音圧周波
数特性(a)と高域限界周波数を拡大した(実施の形態
2)における音圧周波数特性(b)を示す。FIG. 6 shows a sound pressure frequency characteristic (a) in (Embodiment 1) and a sound pressure frequency characteristic (b) in (Embodiment 2) in which the upper limit frequency is expanded.
【0030】[0030]
【発明の効果】以上のように本発明は細長形状のスピー
カにあって、ボイスコイルの線長を長く設定することが
可能となり、かつボイスコイル口径も大きく設定したの
と同等の効果が得られることから、駆動系の力係数(B
×L)を大きく設定でき、変換効率が高く耐入力が大幅
に向上するスピーカが実現できるものである。As described above, according to the present invention, in the slender speaker, the line length of the voice coil can be set long, and the same effect as that of setting the voice coil diameter large can be obtained. Therefore, the drive system force coefficient (B
XL) can be set to a large value, and a speaker with high conversion efficiency and significantly improved input resistance can be realized.
【図1】本発明の一実施の形態のスピーカの平面図FIG. 1 is a plan view of a speaker according to an embodiment of the present invention.
【図2】同断面図FIG. 2 is a sectional view of the same.
【図3】同要部である振動部材の斜視図FIG. 3 is a perspective view of a vibrating member that is a main part of the same.
【図4】同他の実施の形態の要部である振動板の断面図FIG. 4 is a cross-sectional view of a diaphragm that is a main part of another embodiment.
【図5】同裏面からの平面図FIG. 5 is a plan view of the same back surface.
【図6】本発明のスピーカの音圧周波数特性図FIG. 6 is a sound pressure frequency characteristic diagram of the speaker of the present invention.
【図7】従来の細長構造のスピーカの平面図FIG. 7 is a plan view of a conventional speaker having an elongated structure.
【図8】同短径方向の断面図FIG. 8 is a sectional view of the same minor axis direction.
【図9】同音圧周波数特性図[Fig. 9] Same sound pressure frequency characteristic diagram
1 振動板 2 エッジ 3 フレーム 4 ボイスコイルボビン接合用リブ 5 振動板外周端面 6 ボイスコイルボビン 7 ボイスコイル 8 ボイスコイルボビン接合部 9 磁気回路 10 ダンパー接合用リブ 11 ダンパー 13 高域分割共振制御リブ 1 Vibration Plate 2 Edge 3 Frame 4 Voice Coil Bobbin Joining Rib 5 Vibration Plate Outer End Face 6 Voice Coil Bobbin 7 Voice Coil 8 Voice Coil Bobbin Joining 9 Magnetic Circuit 10 Damper Joining Rib 11 Damper 13 High Frequency Division Resonance Control Rib
Claims (3)
の椀状の振動板と、この振動板の外周端面に接合された
外周が細長形状のエッジと、このエッジの外周を固着す
る細長形状のフレームと、前記細長の椀状の振動板の内
側に長手方向と交差する方向に設けられた一対のリブ
と、上端面が前記細長の椀状の振動板の外周端面と前記
リブの下端面で形成される略矩形形状のボイスコイルボ
ビン接合用下端面部に接合されるとともに、ボイスコイ
ルが巻回された略矩形形状のボイスコイルボビンと、こ
の略矩形形状のボイスコイルボビンに巻回された前記ボ
イスコイルを挿入する磁気ギャップを有する磁気回路と
で構成され、前記ボイスコイルボビンと接合される前記
振動板の前記外周端面が前記振動板の全外周端面の少な
くとも1/2以上であるスピーカ。1. An elongated bowl-shaped diaphragm having straight portions on two sides in the longitudinal direction, an edge having an elongated outer periphery joined to an outer peripheral end face of the diaphragm, and an outer periphery of this edge fixed to each other. An elongated frame, a pair of ribs provided inside the elongated bowl-shaped diaphragm in a direction intersecting the longitudinal direction, and an upper end surface of the elongated bowl-shaped diaphragm and an outer peripheral end surface of the diaphragm. A substantially rectangular voice coil bobbin, which is joined to the substantially rectangular voice coil bobbin joining lower end surface portion formed by the lower end surface of the voice coil, and a voice coil wound around the substantially rectangular voice coil bobbin. A magnetic circuit having a magnetic gap into which the voice coil is inserted, and the outer peripheral end surface of the diaphragm joined to the voice coil bobbin is at least ½ or more of the entire outer peripheral end surface of the diaphragm. Speaker.
の椀状の振動板と、この振動板の外周端面に接合された
外周が細長形状のエッジと、このエッジの外周を固着す
る細長形状のフレームと、前記細長の椀状の振動板の内
側に長手方向と交差する方向に設けられた一対のリブ
と、上端面が前記細長の椀状の振動板の外周端面と前記
リブの下端面で形成される略矩形形状のボイスコイルボ
ビン接合用下端面部に接合されるとともに、ボイスコイ
ルが巻回された略矩形形状のボイスコイルボビンと、こ
の略矩形形状のボイスコイルボビンに巻回された前記ボ
イスコイルを挿入する磁気ギャップを有する磁気回路と
で構成され、前記振動板の長手方向の両端近傍に設けら
れたダンバー接合用リブと、このリブの下端面と接続さ
れるとともに、前記フレームに接合されたダンパーを設
けたスピーカ。2. An elongated bowl-shaped diaphragm having straight portions on two sides in the longitudinal direction, an edge having an elongated outer periphery joined to an outer peripheral end face of the diaphragm, and an outer periphery of this edge fixed to each other. An elongated frame, a pair of ribs provided inside the elongated bowl-shaped diaphragm in a direction intersecting the longitudinal direction, and an upper end surface of the elongated bowl-shaped diaphragm and an outer peripheral end surface of the diaphragm. A substantially rectangular voice coil bobbin, which is joined to the substantially rectangular voice coil bobbin joining lower end surface portion formed by the lower end surface of the voice coil, and a voice coil wound around the substantially rectangular voice coil bobbin. A magnetic circuit having a magnetic gap into which the voice coil is inserted, the damper connecting ribs being provided in the vicinity of both longitudinal ends of the diaphragm, and the ribs connected to the lower end surface of the rib and A speaker with a damper joined to the ram.
方向の外方に向かって両端近傍まで他のリブを設けた請
求項1または請求項2記載のスピーカ。3. The speaker according to claim 1 or 2, wherein other ribs are provided outwardly in the longitudinal direction from the ribs or the damper joining ribs to the vicinity of both ends.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29393995A JP3629777B2 (en) | 1995-11-13 | 1995-11-13 | Speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29393995A JP3629777B2 (en) | 1995-11-13 | 1995-11-13 | Speaker |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09139997A true JPH09139997A (en) | 1997-05-27 |
JP3629777B2 JP3629777B2 (en) | 2005-03-16 |
Family
ID=17801135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29393995A Expired - Fee Related JP3629777B2 (en) | 1995-11-13 | 1995-11-13 | Speaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3629777B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002060220A1 (en) * | 2001-01-26 | 2002-08-01 | Sonionkirk A/S | An electroacoustic transducer |
WO2004049751A1 (en) * | 2002-11-28 | 2004-06-10 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker |
JP2009027665A (en) * | 2007-07-24 | 2009-02-05 | Sony Corp | Vibration member and sound output apparatus |
-
1995
- 1995-11-13 JP JP29393995A patent/JP3629777B2/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002060220A1 (en) * | 2001-01-26 | 2002-08-01 | Sonionkirk A/S | An electroacoustic transducer |
EP1439731A1 (en) * | 2001-01-26 | 2004-07-21 | Sonionkirk A/S | An electroacoustic transducer |
US7062063B2 (en) | 2001-01-26 | 2006-06-13 | Sonion Horsens A/S | Electroacoustic transducer |
US7376240B2 (en) | 2001-01-26 | 2008-05-20 | Sonion Horsens A/S | Coil for an electroacoustic transducer |
WO2004049751A1 (en) * | 2002-11-28 | 2004-06-10 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker |
US7200241B2 (en) | 2002-11-28 | 2007-04-03 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker |
EP2369854A1 (en) * | 2002-11-28 | 2011-09-28 | Panasonic Corporation | Loudspeaker |
JP2009027665A (en) * | 2007-07-24 | 2009-02-05 | Sony Corp | Vibration member and sound output apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP3629777B2 (en) | 2005-03-16 |
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