JP3322622B2 - Transceiver integrated electro-acoustic transducer using bone conduction ear microphone - Google Patents
Transceiver integrated electro-acoustic transducer using bone conduction ear microphoneInfo
- Publication number
- JP3322622B2 JP3322622B2 JP36626097A JP36626097A JP3322622B2 JP 3322622 B2 JP3322622 B2 JP 3322622B2 JP 36626097 A JP36626097 A JP 36626097A JP 36626097 A JP36626097 A JP 36626097A JP 3322622 B2 JP3322622 B2 JP 3322622B2
- Authority
- JP
- Japan
- Prior art keywords
- insert
- bone conduction
- face
- outer body
- damper holder
- 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.)
- Expired - Lifetime
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- Details Of Audible-Bandwidth Transducers (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は外耳道壁から得られ
る骨伝導振動を電気信号に変換して出力する骨伝導イヤ
マイクロホンを用いる送受一体形電気音響変換装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission / reception integrated electro-acoustic transducer using a bone conduction ear microphone which converts bone conduction vibration obtained from an ear canal wall into an electric signal and outputs the electric signal.
【０００２】[0002]
【従来の技術】この種の電気音響変換装置においては、
骨伝導イヤマイクロホンは、外耳道壁から得られる骨伝
導音声振動のエネルギを電気信号に変換して取り出すよ
うに構成されている。図５は、この種の送受一体形電気
音響変換装置の従来例（特開昭５８−１８８９９３号公
報参照）を示す縦断面図（ａ）と各部構造を示す分解斜
視図（ｂ）である。これらの図において、２２は図示し
ない外耳道２１に挿入される骨伝導挿入体、２３は骨伝
導挿入体２２に伝達される骨伝導音声振動エネルギを電
気信号に変換する骨伝導振動ピックアップ、２４はイヤ
ホン（受話器）２５を内蔵し骨伝導振動ピックアップ２
３およびイヤホン２５と図示しない送信器，受信器との
間の電気信号の伝達をリード線２６ａ，２６ｂを収容す
る外体である。２７は一面が挿入体２２と接着され、他
面が外体２４と接着されて挿入体２２と外体２４との相
互間での振動伝達を減衰させるために介在配置された弾
性部材である。2. Description of the Related Art In this type of electroacoustic transducer,
The bone conduction ear microphone is configured to convert energy of bone conduction voice vibration obtained from the external auditory canal wall into an electric signal and to extract it. FIG. 5 is a longitudinal sectional view (a) showing a conventional example of this type of integrated transmission and reception electro-acoustic transducer (see Japanese Patent Application Laid-Open No. 58-188893), and an exploded perspective view (b) showing the structure of each part. In these figures, reference numeral 22 denotes a bone conduction insert inserted into an external auditory canal 21 (not shown), reference numeral 23 denotes a bone conduction vibration pickup for converting bone conduction voice vibration energy transmitted to the bone conduction insert 22 into an electric signal, and reference numeral 24 denotes an earphone. (Handset) 25 with built-in bone conduction vibration pickup 2
3 and an outer body for accommodating the lead wires 26a and 26b for transmitting electric signals between the earphone 25 and the transmitter and the receiver (not shown). An elastic member 27 has one surface adhered to the insert 22 and the other surface adhered to the outer body 24 and interposed and arranged to attenuate the transmission of vibration between the insert 22 and the outer body 24.
【０００３】このような配置構造を有する送受一体形電
気音響変換器では、図示しない外耳道２１に骨伝導挿入
体２２が挿入された使用状態において、外耳道壁から骨
伝導挿入体２２に伝達される骨伝導音声振動のエネルギ
は、骨伝導ピックアップ２３により音声周波の電気信号
に変換されて、リード線２６ａを介して図示しない送信
器に供給される。また、図示しない受信器から与えられ
る音声信号はリード線２６ｂを介してイヤホン２５に伝
達されて、電気音響変換され、得られた音響波はイヤホ
ン音導管２８を通して図示しない外耳道２１に放声され
る。これにより、この送受一体形電気音響変換器の挿入
体２２を片耳の外耳道２１に挿入した状態で、ハンドフ
リーで双方向通話を行うことができる。In the integrated transmission / reception electro-acoustic transducer having such an arrangement structure, the bone transmitted from the wall of the ear canal to the bone conduction insert 22 when the bone conduction insert 22 is inserted into the external auditory canal 21 (not shown). The energy of the conducted sound vibration is converted into an electric signal of a sound frequency by the bone conduction pickup 23 and supplied to a transmitter (not shown) via the lead wire 26a. An audio signal provided from a receiver (not shown) is transmitted to an earphone 25 via a lead wire 26b, subjected to electroacoustic conversion, and the obtained acoustic wave is output to an external auditory meatus 21 (not shown) through an earphone sound conduit 28. This allows hands-free two-way communication in a state in which the insert 22 of the integrated transmission and reception electro-acoustic transducer is inserted into the ear canal 21 of one ear.
【０００４】[0004]
【発明が解決しようとする課題】このような従来の送受
一体形音響変換器は、図１（ｂ）を参照して説明したよ
うに、挿入体２２と外体２４とが弾性部材２７を介して
接着接続されているが、この構造では引張り，ねじり等
の外力が挿入体２２と外体２４間に作用したときに、次
のような不具合が生じる欠点があった。 弾性部材２７と挿入体２２又は外体２４との間の接
着がはがれたり、又は弾性部材２７の一部が破損したり
する。 骨伝導振動ピックアップ２３のリード線２６ａが切
れる。 イヤホン音導管２８が破壊したりその長さが引き伸
ばされたりする。As described with reference to FIG. 1 (b), such a conventional transmission / reception integrated acoustic transducer has an insertion body 22 and an outer body 24 via an elastic member 27. However, this structure has a drawback that when an external force such as tension or torsion acts between the insert 22 and the outer body 24, the following problem occurs. The adhesion between the elastic member 27 and the insert 22 or the outer body 24 may be removed, or a part of the elastic member 27 may be damaged. The lead wire 26a of the bone conduction vibration pickup 23 is cut. The earphone sound conduit 28 may break or its length may be lengthened.
【０００５】本発明の目的は、通常起こり得る押圧，引
張り，ねじり等の外力が作用した場合においても部材相
互間の結合構造は安定して保持され、これにより安定し
た機能を維持して使用することができる骨伝導イヤマイ
クロホンを用いる送受一体形電気音響変換装置を提供す
ることにある。An object of the present invention is to stably maintain the connection structure between members even when an external force such as pressing, pulling, twisting or the like which normally occurs is used, so that a stable function is maintained. It is an object of the present invention to provide a transmission / reception integrated electro-acoustic transducer using a bone conduction ear microphone.
【０００６】[0006]
【課題を解決するための手段】この目的を達成するため
に、本発明による骨伝導イヤマイクロホンを用いる送受
一体形電気音響変換装置は、骨伝導イヤマイクロホンと
イヤホン音導管とが外耳道内に並置されて挿入されるよ
うに形成された挿入体と、前記イヤホン音導管に音響結
合されたイヤホンと該イヤホンへの第１のリード線と前
記骨伝導イヤホンマイクロホンからの第２のリード線と
を収納する外体と、前記挿入体と前記外体との相互管で
の振動伝達を減衰させるように該相互間を連結するため
の弾性部材を用いて形成された連結手段とを備え、該連
結手段は、外力による前記挿入体と前記外体との軸方向
の相互接近と離反及び該軸回りの相互回転を前記弾性部
材の弾性限度内に制限する機構を有するように形成され
た構成を有している。SUMMARY OF THE INVENTION To achieve this object, an integrated electro-acoustic transducer using a bone conduction ear microphone according to the present invention comprises a bone conduction ear microphone and an earphone sound conduit juxtaposed in an ear canal. And an earpiece acoustically coupled to the earphone sound conduit, a first lead to the earphone, and a second lead from the bone conduction earphone microphone. An outer body, and a connecting means formed by using an elastic member for connecting the insertion body and the outer body to each other so as to attenuate the transmission of vibration in the mutual pipe; And a mechanism configured to limit the mutual approach and separation of the insert body and the outer body by an external force in the axial direction and the mutual rotation about the axis within the elastic limit of the elastic member. .
【０００７】[0007]
【発明の実施の形態】本発明による骨伝導イヤマイクロ
ホンを用いる送受一体形電気音響変換装置においては、
外耳道内に挿入される挿入体は骨伝導イヤマイクロホン
とイヤホン音導管とが並置されるように形成され、外体
には前記のイヤホン音導管に音響結合されたイヤホンが
内蔵されるとともに前記の骨伝導イヤマイクロホンから
の出力リード線と前記イヤホンへの入力リード線とが収
納され、これらの挿入体と外体とは相互間での振動伝達
を減衰させるように弾性部材を介在させる連結手段によ
り相互連結されている。この連結手段は、外力による前
記挿入体と前記外体との軸方向の相互接近と離反及び軸
回りの相互回転を、前記の弾性部材の弾性限度内に制限
する機構を有するように形成されている。これにより、
通常起こり得る押圧，引張り，ねじり等の外力が作用し
た場合においても、部材相互間の結合構造は安定して保
持され、常に安定した機能を維持して使用することがで
きる骨伝導イヤマイクロホンを用いる送受一体形電気音
響変換装置を実現することができる。BEST MODE FOR CARRYING OUT THE INVENTION In a transmission / reception integrated electro-acoustic transducer using a bone conduction ear microphone according to the present invention,
The insert inserted into the ear canal is formed such that a bone conduction ear microphone and an earphone sound conduit are juxtaposed, and the outer body includes an earphone acoustically coupled to the earphone sound conduit and has the built-in earphone. An output lead wire from the conductive ear microphone and an input lead wire to the earphone are housed, and the inserted body and the outer body are connected to each other by a connecting means interposing an elastic member so as to attenuate the transmission of vibration between each other. Are linked. The connecting means is formed so as to have a mechanism for limiting the mutual approach and separation in the axial direction of the insert body and the outer body by an external force and the mutual rotation about the axis within the elastic limit of the elastic member. I have. This allows
Even when an external force such as pressing, pulling, twisting, or the like that normally occurs, the joint structure between members is stably held, and a bone conduction ear microphone that can always be used while maintaining a stable function is used. An integrated transmission and reception electro-acoustic transducer can be realized.
【０００８】[0008]
【実施例】（実施例１）図１は、本発明の実施例１の主
要部を示す断面図（ａ）と斜視図（ｂ）である。この実
施例１において、挿入体９と外体４とは従来例と同様で
あるから詳細な説明は省略する。(Embodiment 1) FIG. 1 is a sectional view (a) and a perspective view (b) showing a main part of Embodiment 1 of the present invention. In the first embodiment, the insert 9 and the outer body 4 are the same as those in the conventional example, and thus detailed description is omitted.
【０００９】挿入体９と外体４との相対向する二端面の
一方９−１に外縁から中心方向に突出する突出部７−１
の複数個を該一方の端面から微小間隔ｄ1 を具備するよ
うに該一方の端面の外周に沿って所要間隔を以て配置し
た第１のダンパホルダ７が設けられている。また、二端
面の他方の面４−１上に前記複数個の突出部７−１の各
先端を微小間隔ｄ2 を介して包囲するように形成配置さ
れた複数の包囲部６−１を具備した第２のダンパホルダ
６が設けられている。さらに、複数個の突出部７−１の
各先端と前記複数の包囲部６−１との間の前記微小間隔
ｄ2 内内にダンパとしてゴム等の弾性部材１０が充填さ
れている。A protruding portion 7-1 projecting from the outer edge toward the center on one of the two end surfaces 9-1 of the insert body 9 and the outer body 4 opposed to each other.
A first damper holder 7 is provided in which a plurality of are arranged at a required interval along the outer periphery of the one end face so as to have a minute interval d1 from the one end face. Furthermore, comprising a plurality of enclosures 6-1 each tip of the plurality of protrusions 7-1 are formed disposed so as to surround through the small distance d 2 on the other side 4-1 of the two end faces A second damper holder 6 is provided. Further, the elastic member 10 of rubber or the like as a damper in the inside small distance d 2 between the plurality of enclosing portions 6-1 and the distal end of the plurality of projections 7-1 it is filled.
【００１０】このような構成により、第１のダンパホル
ダ７の複数の突出部７−１の各先端には、次のような制
限作用が働くことになる。。 挿入体９と外体４との軸方向の相互接近の方向に外
力が作用したときには、先端の図示の右側表面７−１ａ
の右側方向への移動が、第２のダンパホルダ６の図示の
左側表面６ａにより阻止される可動範囲内に制限される
ことになる。 また、挿入体９と外体４との軸方向の相互離反の方
向に外力が作用したときには、先端の図示の左側表面７
−１ｂの左側方向への移動が第２のダンパホルダ６の図
示の包囲部６−１の右側表面６−１ａにより阻止される
可動範囲内に制限されることになる。 さらに、挿入体９と外体４との軸回りの相互回転の
方向に外力が作用したときには、先端の側表面７−１ｃ
又は７−１ｄの軸回り方向の回転が包囲部６−１の内側
壁６−１ｂ又は６−１ｃにより阻止される許容回転角度
範囲内に制限されることになる。 以上の可動範囲と許容回転角度範囲が微小間隔ｄ2 内に
充填された弾性部材１０の弾性限度以内になるように設
定することにより、通常起こり得る押圧，引張り，ねじ
り等の外力が作用した場合においても部材相互間の結合
構造は安定して保持されることになる。[0010] With such a configuration, the following restricting action acts on each end of the plurality of protruding portions 7-1 of the first damper holder 7. . When an external force acts in the direction of the axial approach between the insert 9 and the outer body 4, the illustrated right surface 7-1 a of the tip end
Of the second damper holder 6 is limited to a movable range which is prevented by the illustrated left side surface 6a of the second damper holder 6. Further, when an external force acts in a direction in which the insertion body 9 and the outer body 4 are separated from each other in the axial direction, the left side surface 7 shown at the tip of the tip 9 is used.
-1b to the left is limited to a movable range that is prevented by the right side surface 6-1a of the illustrated surrounding portion 6-1 of the second damper holder 6. Further, when an external force acts in the direction of mutual rotation about the axis of the insert 9 and the outer body 4, the side surface 7-1c of the tip
Alternatively, the rotation around the axis 7-1d in the direction around the axis is limited to the allowable rotation angle range that is prevented by the inner wall 6-1b or 6-1c of the surrounding portion 6-1. By setting the movable range and the permissible rotation angle range to be within the elastic limit of the elastic member 10 filled in the minute interval d 2 , when an external force such as pressing, pulling, twisting, or the like that normally occurs is applied. In this case, the connection structure between the members is stably held.
【００１１】（実施例２）図２は、本発明の実施例２の
主要部を示す断面図（ａ）と斜視図（ｂ）である。この
実施例２において、挿入体９と外体４とは従来例と同様
であるから詳細な説明は省略する。(Embodiment 2) FIG. 2 is a sectional view (a) and a perspective view (b) showing a main part of an embodiment 2 of the present invention. In the second embodiment, the insert 9 and the outer body 4 are the same as in the conventional example, and therefore, detailed description is omitted.
【００１２】挿入体９と外体４との相対向する二端面の
一方９−１に外縁から中心方向に突出する突出部７−１
の複数個を該一方の端面から微小間隔ｄ1 を具備するよ
うに該一方の端面の外周に沿って所要間隔を以て配置し
た第１のダンパホルダ７が設けられている。また、二端
面の他方の面４−１に前記複数個の突出部７−１の各先
端に対して前記一方の端面の外周に沿う両側に該挿入体
の軸回りの許容回転角度範囲を与えるための複数の許容
空間６−３を形成する複数の仕切り部６−２が配置さ
れ、さらに、前記複数個の許容空間６−３のおのおのに
おいて前記複数の仕切り部６−２の各先端に対して前記
挿入体９の軸方向の許容移動範囲を前記仕切り部６−２
の配置面６ａと協同して与えるために前記複数の仕切り
部６−２の各先端に該複数の仕切り部６ー２と一体化し
て環状体６−４が配置された第２のダンパホルダ６が設
けられている。さらに、第１のダンパホルダ７の端面７
ａの外周部と前記第２のダンパホルダ６の端面６ａ上で
前記仕切り部６−２より外側との間に介在するように環
状ゴムダンパ１０が配置され、これらの部材６，１０，
７は順次接着されている。A protruding portion 7-1 protruding from the outer edge toward the center on one of two opposite end faces 9-1 of the insert 9 and the outer body 4.
A first damper holder 7 is provided in which a plurality of are arranged at a required interval along the outer periphery of the one end face so as to have a minute interval d1 from the one end face. In addition, an allowable rotation angle range around the axis of the insertion body is given to both ends along the outer periphery of the one end surface with respect to the respective ends of the plurality of protrusions 7-1 on the other surface 4-1 of the two end surfaces. Partitions 6-2 that form a plurality of allowable spaces 6-3 are arranged, and each of the plurality of allowable spaces 6-3 is provided with a corresponding one of the ends of the plurality of partition portions 6-2. The allowable movement range of the insert 9 in the axial direction is adjusted by the partition 6-2.
A second damper holder 6 having an annular body 6-4 integrated with the plurality of partitions 6-2 at each end of the plurality of partitions 6-2 in order to cooperate with the arrangement surface 6a is provided. Is provided. Further, the end face 7 of the first damper holder 7
The annular rubber damper 10 is disposed so as to be interposed between the outer peripheral portion of the second damper holder 6 and the end face 6a of the second damper holder 6 outside the partition 6-2.
7 are sequentially bonded.
【００１３】このような構成により、第１のダンパホル
ダ７の複数の突出部７−１の各先端には、次のような制
限作用が働くことになる。。 挿入体９と外体４との軸方向の相互接近の方向に外
力が作用したときには、先端の図示の右側表面７−１ａ
の右側方向への移動が第２のダンパホルダ６の図示の左
側表面６ａにより阻止される可動範囲内に制限されるこ
とになる。 また、挿入体９と外体４との軸方向の相互離反の方
向に外力が作用したときには、先端の図示の左側表面７
−１ｂの左側方向への移動が第２のダンパホルダ６の図
示の環状体６−４の右側表面６−４ａにより阻止される
可動範囲内に制限されることになる。 さらに、挿入体９と外体４との軸回りの相互回転の
方向に外力が作用したときには、先端の側表面７−１ｃ
又は７−１ｄの軸回り方向の回転が仕切り部６−２の内
側壁６−２ａ又は６−２ｂにより阻止される許容回転角
度範囲内に制限されることになる。 以上の可動範囲と許容回転角度範囲が第１のダンパホル
ダ７と第２のダンパホルダ６との間に配置された弾性部
材１０の弾性限度以内になるように設定することによ
り、通常起こり得る押圧，引張り，ねじり等の外力が作
用した場合においても部材相互間の結合構造は安定して
保持されることになる。With such a configuration, the following restricting action is exerted on each tip of the plurality of protrusions 7-1 of the first damper holder 7. . When an external force acts in the direction of the axial approach between the insert 9 and the outer body 4, the illustrated right surface 7-1 a of the tip end
Of the second damper holder 6 is limited to a movable range which is prevented by the illustrated left surface 6a of the second damper holder 6. Further, when an external force acts in a direction in which the insertion body 9 and the outer body 4 are separated from each other in the axial direction, the left side surface 7 shown at the tip of the tip 9 is used.
The leftward movement of -1b is limited to a movable range that is prevented by the right side surface 6-4a of the illustrated annular body 6-4 of the second damper holder 6. Further, when an external force acts in the direction of mutual rotation about the axis of the insert 9 and the outer body 4, the side surface 7-1c of the tip
Alternatively, the rotation around the axis of 7-1d is limited to the allowable rotation angle range that is prevented by the inner side wall 6-2a or 6-2b of the partition 6-2. By setting the movable range and the permissible rotation angle range to be within the elastic limit of the elastic member 10 disposed between the first damper holder 7 and the second damper holder 6, pressing and pulling that can occur normally can be performed. Even when an external force such as torsion is applied, the coupling structure between the members is stably maintained.
【００１４】（実施例３）図３，図４は本発明による骨
伝導イヤマイクロホンを用いる送受一体形電気音響変換
装置の実施例の具体的構造例を示す側面図と正面図であ
る。これらの図において、１はイヤホンとして用いられ
るレシーバ、２は空気中の可聴周波振動を電気信号に変
換するマイクロホン、３は骨伝導イヤマイクロホンとし
て動作する骨伝導振動ピックアップセンサ、４，５はＡ
ＢＳ樹脂等のハウジングＡ（外体），ハウジングＢ、６
はＡＢＳ樹脂等のレシーパ側のダンパホルダ（第２のダ
ンパホルダ）、７はＡＢＳ樹脂等の骨側ダンパホルダ
（第１のダンパホルダ）、８はＡＢＳ樹脂等のマウント
ホルダ、９はマウント（挿入体）、１０は音響ダンパと
しての機能を有するゴム等の弾性部材、１１はアセテー
ト繊維等のフィルタ、１２はレシーバ１に音響結合され
たシリコンゴム等の音導管、１３は配線用基板、１４は
シリコンゴム等のレシーバ・スペーサ、１５はシリコン
ゴム等のマイクロホンパッキング、１６はステンレス材
等のフィルタ・プロテクタ、１７はＰＶＣ等のコードス
リーブ、１８は６芯シールドコードである。１９は、実
施例２において説明した連結手段の機能の一部を担うス
トッパである。(Embodiment 3) FIGS. 3 and 4 are a side view and a front view, respectively, showing a specific structural example of an embodiment of a transmission / reception integrated electro-acoustic transducer using a bone conduction ear microphone according to the present invention. In these figures, 1 is a receiver used as an earphone, 2 is a microphone that converts audio vibration in the air into an electric signal, 3 is a bone conduction vibration pickup sensor that operates as a bone conduction ear microphone, and 4, 5 are A.
Housing A (outer body), housing B, 6 of BS resin etc.
Is a damper holder (second damper holder) on the receiver side such as ABS resin, 7 is a bone-side damper holder (first damper holder) such as ABS resin, 8 is a mount holder such as ABS resin, 9 is a mount (insert), 10 Is an elastic member made of rubber or the like having a function as an acoustic damper, 11 is a filter made of acetate fiber or the like, 12 is a sound conduit made of silicon rubber or the like acoustically coupled to the receiver 1, 13 is a wiring board, 14 is a silicon rubber or the like. A receiver / spacer 15 is a microphone packing made of silicon rubber or the like, 16 is a filter protector made of stainless steel or the like, 17 is a cord sleeve made of PVC or the like, and 18 is a 6-core shielded cord. Reference numeral 19 denotes a stopper which plays a part of the function of the connecting means described in the second embodiment.
【００１５】[0015]
【発明の効果】以上詳細に説明したように、本発明によ
れば、骨伝導イヤマイクロホンを内蔵する挿入体とイヤ
ホンを内蔵する外体とを相互間での振動伝達を減衰させ
るように弾性部材を介在させる連結手段により連結さ
れ、この連結手段は外力による前記挿入体と前記外体と
の軸方向の相互接近と離反及び軸回りの相互回転を前記
弾性部材の弾性限度内に制限する機構を有するように形
成されることにより、通常起こり得る押圧，引張り，ね
じり等の外力が作用した場合においても部材相互間の結
合構造は安定して保持され、常に安定した機能を維持し
て使用することが可能である。従って、日常の取扱いの
着脱時又は使用中において、不用意な外力の印加又は落
下事故等においても、故障を防止し得る機構上の安定性
を有しており、実用上の効果は極めて大である。As described above in detail, according to the present invention, an elastic member is provided so as to attenuate the transmission of vibration between an insert body containing a bone conduction ear microphone and an outer body containing an earphone. Are connected by connecting means interposed therebetween, and this connecting means has a mechanism for limiting the mutual approach and separation in the axial direction of the insert body and the outer body and the mutual rotation about the axis by the external force within the elastic limit of the elastic member. By being formed so as to have, even when an external force such as pressing, pulling, torsion, etc., which can occur normally, acts, the connecting structure between the members is stably held, and always used while maintaining a stable function. Is possible. Therefore, it has mechanical stability that can prevent failures even when careless application of external force or accidental drop during daily handling is performed, and the practical effect is extremely large. is there.
【図１】本発明の実施例１の主要部を示す断面図（ａ）
と斜視図（ｂ）である。FIG. 1 is a sectional view showing a main part of a first embodiment of the present invention (a).
It is a perspective view (b).
【図２】本発明の実施例２の主要部を示す断面図（ａ）
と斜視図（ｂ）である。FIG. 2 is a sectional view showing a main part of a second embodiment of the present invention (a).
It is a perspective view (b).
【図３】本発明の実施例の具体的構造例を示す側面図で
ある。FIG. 3 is a side view showing a specific structure example of the embodiment of the present invention.
【図４】本発明の実施例の具体的構造例を示す正面図で
ある。FIG. 4 is a front view showing a specific structure example of the embodiment of the present invention.
【図５】従来の送受一体形電気音響変換器の１例を示す
縦断面図（ａ）と各部構造を示す分解斜視図（ｂ）であ
る。FIG. 5 is a longitudinal sectional view (a) showing an example of a conventional integrated transmission / reception electro-acoustic transducer and an exploded perspective view (b) showing the structure of each part.
１ レシーバ（イヤホン） ２ マイクロホン ３ 骨伝導振動ピックアップセンサ（骨伝導イヤマイク
ロホン） ４ ハウジングＡ（外体） ４−１ 外体の端面 ５ ハウジングＢ ６ レシーバ側ダンパホルダ（第２のダンパホルダ） ６ａ 仕切り部の配置面 ６−１ 包囲部 ６−１ａ 包囲部の右側表面 ６−１ｂ，６−１ｃ 包囲部の内側壁 ６−２ 仕切り部 ６−３ 許容空間 ６−４ 環状体 ７ 骨側ダンパホルダ（第１のダンパホルダ） ７ａ 第１のダンパホルダの端面 ７ー１ 突出部 ７−１ａ 突出部先端の左側表面 ７−１ｂ 突出部先端の右側表面 ７−１ｃ，７−１ｄ 突出部先端の側表面 ８ マウントホルダ ９ マウント（挿入体） １０ 弾性部材 １１ フィルタ １２ 音導管 １３ 配線基板 １４ レシーバ・スペーサ １５ マイクロホン・パッキング １６ フィルタ・プロテクタ １７ コード・スリーブ １８ ６芯シールドコード １９ ストッパ ２１ 外耳道 ２２ 骨伝導挿入体 ２３ 骨伝導振動ピックアップ ２４ 外体 ２５ イヤホン ２６ａ，２６ｂ リード線 ２７ 弾性部材 ２８ イヤホン音導管Reference Signs List 1 receiver (earphone) 2 microphone 3 bone conduction vibration pickup sensor (bone conduction ear microphone) 4 housing A (outer body) 4-1 end face of outer body 5 housing B 6 receiver side damper holder (second damper holder) 6a partition part Arrangement surface 6-1 Surrounding part 6-1a Right side surface of surrounding part 6-1b, 6-1c Inner side wall of surrounding part 6-2 Partition part 6-3 Allowable space 6-4 Annular body 7 Bone side damper holder (first) 7a End face of first damper holder 7-1 Projection 7-1a Left surface of tip of projection 7-1b Right surface of tip of projection 7-1c, 7-1d Side surface of tip of projection 8 Mount holder 9 Mount (Insert body) 10 Elastic member 11 Filter 12 Sound conduit 13 Wiring board 14 Receiver / spacer 15 Microphone packing 16F Ruta protector 17 code sleeve 18 6-core shielded cord 19 stopper 21 ear canal 22 osteoconductive insert 23 bone conduction vibration pickup 24 outer body 25 earphones 26a, 26b lead wire 27 elastic member 28 earphone sound conduit
───────────────────────────────────────────────────── フロントページの続き (72)発明者 西野 豊 東京都新宿区西新宿三丁目19番２号 日 本電信電話株式会社内 (56)参考文献 特開 昭58−210793（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H04R 1/00 327 H04R 1/10 104 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yutaka Nishino 3-19-2 Nishishinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation (56) References JP-A-58-210793 (JP, A) ( 58) Field surveyed (Int.Cl. 7 , DB name) H04R 1/00 327 H04R 1/10 104
Claims (3)
管とが外耳道内に並置されて挿入されるように形成され
た挿入体と、 前記イヤホン音導管に音響結合されたイヤホンと該イヤ
ホンへの第１のリード線と前記骨伝導イヤホンマイクロ
ホンからの第２のリード線とを収納する外体と、 前記挿入体と前記外体との相互管での振動伝達を減衰さ
せるように該相互間を連結するための弾性部材を用いて
形成された連結手段とを備え、 該連結手段は、外力による前記挿入体と前記外体との軸
方向の相互接近と離反及び該軸回りの相互回転を前記弾
性部材の弾性限度内に制限する機構を有するように形成
された骨伝導イヤマイクロホンを用いる送受一体形電気
音響変換装置。1. An insert configured to insert a bone conduction ear microphone and an earphone sound conduit juxtaposed into an ear canal, an earphone acoustically coupled to the earphone sound conduit, and a first to the earphone. And an outer body for accommodating the second lead wire from the bone conduction earphone microphone, and connecting the insert body and the outer body so as to attenuate vibration transmission in a mutual tube. Connection means formed by using an elastic member for connecting the insert body and the outer body to each other in an axial direction due to an external force, separating the insert body from the outer body, and rotating the insert body and the outer body around the axis by the elastic member. An integrated transmission / reception electro-acoustic transducer using a bone conduction ear microphone formed to have a mechanism for limiting the elasticity to within the elastic limit.
縁から中心方向に突出する突出部の複数個を該一方の端
面から微小間隔を具備するように該一方の端面の外周に
沿って所要間隔を以て配置した第１のダンパホルダと、 前記二端面の他方の面上に前記複数個の突出部の各先端
を微小間隔を介して包囲するように形成配置された複数
の包囲部を具備した第２のダンパホルダと、 前記複数個の突出部の各先端と前記複数の包囲部との間
の前記微小間隔内にダンパとして充填された弾性部材と
により形成されたことを特徴とする請求項１に記載の骨
伝導イヤマイクロホンを用いる送受一体形電気音響変換
装置。2. The connecting means comprises a plurality of protruding portions protruding from an outer edge in a center direction at one of two opposite end faces of the insert and the outer body with a minute interval from the one end face. A first damper holder arranged at a required interval along an outer periphery of the one end face, and a tip end of each of the plurality of protrusions on the other face of the two end faces so as to surround the tip end with a minute interval. A second damper holder having a plurality of surrounding portions formed and arranged; and an elastic member filled as a damper in the minute gap between each end of the plurality of projecting portions and the plurality of surrounding portions. An integrated electro-acoustic transducer using a bone conduction ear microphone according to claim 1, wherein the electro-acoustic transducer is formed.
縁から中心方向に突出する突出部の複数個を該一方の端
面から微小間隔を具備するように該一方の端面の外周に
沿って所要間隔を以て配置した第１のダンパホルダと、 前記二端面の他方の面に前記複数個の突出部の各先端に
対して前記一方の端面の外周に沿う両側に該挿入体の軸
回りの許容回転角度範囲を与えるための複数の許容空間
を形成する複数の仕切り部が配置され、さらに、前記複
数個の許容空間のおのおのにおいて前記複数の仕切り部
の各先端に対して前記挿入体の軸方向の許容移動範囲を
前記仕切り部の配置面と協同して与えるために前記複数
の仕切り部の各先端に該複数の仕切り部と一体化して環
状体が配置された第２のダンパホルダと、 前記第１のダンパホルダの端面の外周部と前記第２のダ
ンパホルダの端面上で前記仕切り部より外側との間に介
在するように配置された環状ゴムダンパとにより形成さ
れたことを特徴とする請求項１に記載の骨伝導イヤマイ
クロホンを用いる送受一体形電気音響変換装置。3. The connecting means includes a plurality of protruding portions protruding from an outer edge toward a center from one of two opposite end faces of the insert and the outer body, with a minute interval from the one end face. A first damper holder arranged at a required interval along the outer circumference of the one end face, and along the outer circumference of the one end face with respect to each tip of the plurality of protrusions on the other face of the two end faces. A plurality of partitions that form a plurality of allowable spaces for providing an allowable rotation angle range around the axis of the insertion body are arranged on both sides, and further, each of the plurality of partitions is provided in each of the plurality of allowable spaces. An annular body is integrated with each of the plurality of partitions at the tip of each of the plurality of partitions so as to cooperate with an end surface of the insert to provide an axial allowable movement range of the insert with respect to the arrangement surface of the partition. With the second damper holder The annular rubber damper disposed between the outer peripheral portion of the end face of the first damper holder and the outside of the partition on the end face of the second damper holder. An integrated transmission / reception electro-acoustic transducer using the bone conduction ear microphone according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36626097A JP3322622B2 (en) | 1997-12-25 | 1997-12-25 | Transceiver integrated electro-acoustic transducer using bone conduction ear microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36626097A JP3322622B2 (en) | 1997-12-25 | 1997-12-25 | Transceiver integrated electro-acoustic transducer using bone conduction ear microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11196484A JPH11196484A (en) | 1999-07-21 |
| JP3322622B2 true JP3322622B2 (en) | 2002-09-09 |
Family
ID=18486332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36626097A Expired - Lifetime JP3322622B2 (en) | 1997-12-25 | 1997-12-25 | Transceiver integrated electro-acoustic transducer using bone conduction ear microphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3322622B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150103878A (en) * | 2014-03-04 | 2015-09-14 | 주식회사 예일전자 | Fixing structure of bone conduction output apparatus |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101039813B1 (en) | 2009-03-30 | 2011-06-13 | 주식회사 보니아코퍼레이션 | A dual earphone have the bone conductive and the air conductive |
| CN106210956A (en) * | 2016-08-29 | 2016-12-07 | 苏州倍声声学技术有限公司 | A kind of multi-functional bone conduction earphone |
| CN106231464A (en) * | 2016-08-29 | 2016-12-14 | 苏州倍声声学技术有限公司 | A kind of portable bone conduction earphone |
| JP6979300B2 (en) * | 2017-08-10 | 2021-12-08 | 株式会社テクノリンク | Vocalization / speech learning device and microphone |
-
1997
- 1997-12-25 JP JP36626097A patent/JP3322622B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150103878A (en) * | 2014-03-04 | 2015-09-14 | 주식회사 예일전자 | Fixing structure of bone conduction output apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11196484A (en) | 1999-07-21 |
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