JP2583838B2 - Apparatus for picking up bone conduction voice in ear canal and communication device - Google Patents
Apparatus for picking up bone conduction voice in ear canal and communication deviceInfo
- Publication number
- JP2583838B2 JP2583838B2 JP2299734A JP29973490A JP2583838B2 JP 2583838 B2 JP2583838 B2 JP 2583838B2 JP 2299734 A JP2299734 A JP 2299734A JP 29973490 A JP29973490 A JP 29973490A JP 2583838 B2 JP2583838 B2 JP 2583838B2
- Authority
- JP
- Japan
- Prior art keywords
- bone conduction
- ear canal
- conduction microphone
- earphone
- mounting
- 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 - Fee Related
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、外耳道で骨伝導音声をピックアップする装
置及びこれを利用した通話装置に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for picking up bone conduction voice in an external auditory canal and a communication device using the same.
〔従来の技術〕 従来、鉱山の採炭・採石現場、空港、建設現場あるい
は板金工場等の騒音場所で音声伝達を行うには、単一指
向性マイクロホンを***で用いる方法、加速度型振動ピ
ックアップを咽頭部や前額部で用いる方法などが多く用
いられている。しかし、前者の単一指向性マイクロホン
では外界騒音の除去に限界があり、騒音の激しい場所に
は不適当である。また、後者の方法は咽頭部や前額部で
振動ピックアップを密着固定する必要があるため、その
取付けが複雑または面倒であり、かつ不体裁となるばか
りでなく、装着者の使用上の違和感、不快感が著しく長
時間の使用に耐え得ないと言う不都合があった。[Prior art] Conventionally, in order to transmit voice at a noisy place such as a coal mining / quarrying site of a mine, an airport, a construction site or a sheet metal factory, a method using a unidirectional microphone on a lip, and an acceleration type vibration pickup using a pharynx. For example, a method used in a forehead part or a forehead part is often used. However, the former unidirectional microphone has a limit in removing external noise, and is not suitable for a place where noise is severe. In addition, the latter method requires the vibration pickup to be tightly fixed at the pharynx or forehead, which makes the installation complicated or cumbersome and unsightly. There was an inconvenience that the discomfort was not remarkably long-term use.
そこで、本願出願人は特公昭53−39763号にて耳の外
耳道に挿入する筒状殻体をなすイヤーピース内に、作動
方向が外耳道の方向と略々直角方向の振動ピックアップ
を設けて、外耳道壁から骨伝導音声振動をピックアップ
する装置を提案した。In view of this, the applicant of the present application provided a vibration pickup whose operating direction was substantially perpendicular to the direction of the ear canal in an earpiece forming a cylindrical shell inserted into the ear canal of the ear in Japanese Patent Publication No. 53-39763. Proposed a device for picking up bone-conducted voice vibrations from.
しかしながら、上記のピックアップ装置では、筒状殻
体をなすイヤーピースは外耳道に十分深く挿入されてい
ないと安定保持は難しい。そこで、イヤーピースを十分
に挿入すると、外耳道との接触面積及び接触圧が増大し
て機能の向上のためには好ましいが、イヤーピースが外
耳道に密着し過ぎてかえって違和感・不快感が生じる。
また、人によっては接触圧が高くなり過ぎて圧迫感や外
耳道閉鎖感さえもつようになる。However, in the above-described pickup device, it is difficult to stably hold the earpiece, which forms a cylindrical shell, unless the earpiece is inserted sufficiently deep into the ear canal. Therefore, when the earpiece is sufficiently inserted, the contact area and the contact pressure with the external auditory canal are increased, which is preferable for improving the function. However, the earpiece is too close to the external auditory canal, causing a feeling of strangeness and discomfort.
In addition, some people have too high a contact pressure to have a feeling of pressure or even a feeling of closing the ear canal.
本発明はかかる問題を解決し、イヤーピースを外耳道
の奥深くまで挿入せずとも、外耳道との接触面積及び接
触圧を過不足なく確保し、かつ骨伝導によるマイク部を
安定して装着部に保持できる、外耳道で骨伝導音声をピ
ックアップする装置を提供することを第一の目的とす
る。The present invention solves such a problem, and it is possible to secure a sufficient contact area and contact pressure with the ear canal without inserting the earpiece deep into the ear canal, and to stably hold the microphone part due to bone conduction in the wearing part. It is a first object of the present invention to provide a device for picking up bone conduction sounds in the ear canal.
また、上記の種のマイク部を内蔵した筒状殻体と一体
化した部分にイヤホン部をも内蔵し、これにより通話を
可能とする小型の相互通話装置が他の従来装置によって
知らている。しかし、かかる装置では、マイク部とイヤ
ホン部が一体化され、近接して設けられているために、
イヤホン部からの音圧がマイク部へ回り込むことがあ
り、これを抑える目的で、イヤホン部を吸音材や吸振材
で囲む方法がとられている。しかし、周囲騒音が大きく
なると、イヤホン部の音圧を上げざるを得なくなるため
に、回り込みが起こり、ハウリングが発生するという欠
点があり、イヤホン部の音圧を小さくした場合しか使用
できなかった。Another conventional device is known as a small intercommunication device in which an earphone portion is also built in a portion integrated with a cylindrical shell body having a microphone portion of the kind described above, thereby enabling a call. However, in such a device, since the microphone unit and the earphone unit are integrated and provided in close proximity,
In some cases, sound pressure from the earphone section may flow into the microphone section, and in order to suppress this, a method of surrounding the earphone section with a sound absorbing material or a vibration absorbing material has been adopted. However, when the ambient noise increases, the sound pressure of the earphone part has to be increased, so that there is a drawback that sneaking occurs and howling occurs, so that it can be used only when the sound pressure of the earphone part is reduced.
イヤホン部からの音声や外界騒音等の空気振動は、原
理的には振動ピックアップ型外耳道マイクロホンでは取
りにくく、かつ、外界騒音等の空気振動の振動方向と外
耳道マイク部の振動方向が直角関係にあるため、騒音中
での音声のS/N比が高いはずである。ところが、上記マ
イク部とイヤホン部を内蔵するケースたる殻体が一体化
されているため、全体の形状が大きくなり、振動吸収面
積が増大するため上記ケースを経て外界音を集音し、本
来振動ピックアップ型で対騒音特性が良いはずであるの
に、高騒音下ではS/N比が低下する欠点があった。本発
明は、このようにイヤホン部をも備えマイク部と共に相
互通話のできる装置における上記問題を解決することを
第二の目的としている。In principle, it is difficult to pick up air vibrations such as voices from the earphones and external noises with a vibration pickup type ear canal microphone, and the vibration direction of the air vibrations such as external noises and the vibration direction of the external ear canal microphone are in a right angle relationship. Therefore, the S / N ratio of the voice in the noise should be high. However, since the shell, which is the case housing the microphone and the earphone, is integrated, the overall shape becomes large, and the vibration absorption area increases. Although the pickup type should have good noise immunity characteristics, there was a drawback that the S / N ratio decreased under high noise. A second object of the present invention is to solve the above-mentioned problem in a device which also includes an earphone unit and can communicate with each other together with a microphone unit.
上記の第一の目的は、 耳珠軟骨部と外耳道入口部との間に形成される舟状窩
の空間に周部が収容される装着部と、該装着部より延出
して外耳道壁へ接面するように外耳道へ挿入される骨伝
導マイク部とを備え、 骨伝導マイク部は、少なくとも外耳道と接触する先端
部分が外耳道壁にほぼ直角方向に突出しており、該突出
部が同方向で弾圧接触するように、弾圧部材を介して装
着部に保持されている、 こととする第一の発明により達成される。The first object of the present invention is to provide a mounting portion whose peripheral portion is accommodated in a space of a scaphoid formed between the tragus cartilage portion and the entrance of the ear canal, and extending from the mounting portion and contacting the external ear canal wall. A bone conduction microphone portion inserted into the external auditory canal so as to face the ear canal, wherein the bone conduction microphone portion has at least a distal end portion in contact with the external auditory canal protruding in a direction substantially perpendicular to the external auditory canal wall, and the projection portion is pressed in the same direction. This is achieved according to the first aspect of the invention, in which the contact portion is held by the mounting portion via a resilient member so as to make contact with the contact portion.
また、第２の目的は、上記第一の発明における、装着
部の内部に、外部からの音声を伝えるイヤホン部を収容
し、該イヤホン部の音導管が上記装着部の外耳道に臨む
部分に開口している、 こととする第二の発明により達成される。さらには、
この第二の発明に、受信回路又は送受信回路を付加する
ことによっても達成される。A second object of the present invention is that the earphone section for transmitting external sound is accommodated in the interior of the mounting section according to the first invention, and the sound conduit of the earphone section has an opening at a portion facing the ear canal of the mounting section. This is achieved by the second invention. Moreover,
This is also achieved by adding a receiving circuit or a transmitting / receiving circuit to the second invention.
第一の発明にあっては、先ず装着部が耳の舟状窩の空
間に収められ、外耳道入口部及び耳珠軟骨部にて支持さ
れる。一方、装着部により保持されたマイク部は、適宜
深さまで外耳道内に挿入されると、弾性部材での保持力
にもとづき、外耳道壁の振動をピックアップしやすいよ
うに外耳道壁面に対しほぼ直角方向から弾圧接触するよ
うになる。この接触圧は上記弾性部材の性質・寸法等に
より好ましい値となるように設定されている。その結
果、使用者により自己の外耳道壁に過不足のない接触圧
をもつようになる。なお、上記骨伝導マイク部の外耳道
壁面との接触部は、骨伝導マイク部の先端部であること
が音響上好ましい。In the first invention, the mounting portion is firstly housed in the space of the scaphoid fossa of the ear, and is supported by the entrance of the ear canal and the tragus cartilage. On the other hand, when the microphone portion held by the mounting portion is inserted into the ear canal to an appropriate depth, based on the holding force of the elastic member, the microphone portion is substantially perpendicular to the ear canal wall so as to easily pick up vibration of the ear canal wall. It comes into contact with repression. The contact pressure is set to a preferable value depending on the properties and dimensions of the elastic member. As a result, the user has a proper contact pressure on his or her ear canal wall. It is acoustically preferable that the contact portion of the bone conduction microphone portion with the wall of the external auditory canal is the tip of the bone conduction microphone portion.
かくして、本発明装置は、装着部が舟状窩にてそして
骨伝導マイク部が外耳道にて接触支持され、その支持は
立体空間での複数位置でありきわめて安定してなされ
る。さらに、装着部はその外周縁のかなりの範囲にわた
り支持される。Thus, in the device of the present invention, the mounting portion is supported in contact with the scaphoid fossa and the bone conduction microphone portion is supported in contact with the ear canal, and the support is provided at a plurality of positions in the three-dimensional space and is performed extremely stably. Furthermore, the mounting part is supported over a considerable area of its outer periphery.
このようにして支持された本発明装置において、適切
な圧力のもとで接触がなされた骨伝導マイク部は外耳道
壁にて骨伝導音声をピックアップする。このピックアッ
プされた音声信号は、内蔵されもしくは外部に設けられ
た送信器により相手方受信者に送信される。In the device of the present invention supported in this manner, the bone conduction microphone contacted under appropriate pressure picks up bone conduction sound at the wall of the external auditory canal. The picked-up audio signal is transmitted to the other party's receiver by a built-in or externally provided transmitter.
次に、第二の発明にあっては、第一の発明装置と同じ
要領で外耳道に装着され、骨伝導マイク部から骨伝達音
声がピックアップされると共に、相手方からの音声を電
気信号として受信しこれをイヤホン部にて空気圧振動と
してその音導管を介して外耳道に送り込む。かくして、
骨伝導マイク部、そしてイヤホン部により相互通話がな
される。その際、骨伝導マイク部はイヤホン部が納めら
れている装着部とは離れており、音響的に分離している
ためイヤホン部からの音声を収集しない。また、骨伝導
マイク部は装着部とは弾性部材を介しているので、外界
音が装着部を経て骨伝導マイク部へ伝達されることもな
い。Next, in the second invention, it is attached to the external auditory canal in the same manner as the first invention device, and the bone transmission sound is picked up from the bone conduction microphone unit, and the sound from the other party is received as an electric signal. This is sent to the ear canal via the sound conduit as pneumatic vibration in the earphone part. Thus,
Mutual communication is performed by the bone conduction microphone unit and the earphone unit. At this time, the bone conduction microphone unit is separated from the mounting unit in which the earphone unit is housed, and does not collect sound from the earphone unit because it is acoustically separated. Further, since the bone conduction microphone section is interposed with the mounting section via an elastic member, external sound is not transmitted to the bone conduction microphone section via the mounting section.
以下、添付図面にもとづき本発明の実施例を説明す
る。Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
第１図は本発明の第一実施例としてのピックアップ装
置の断面図である。FIG. 1 is a sectional view of a pickup device as a first embodiment of the present invention.
第１図において、Ａは外耳道、Ｂは耳珠軟骨部で、そ
の間に耳介内面で舟状窩Ｃと称される窪んだ空間が形成
されている。In FIG. 1, A is the external auditory canal, B is the tragus cartilage, and a hollow space called scaphoid C is formed in the inner surface of the auricle.
本実施例装置は装着部１と骨伝導マイク部２とから成
っている。The device of this embodiment comprises a mounting unit 1 and a bone conduction microphone unit 2.
装着部１は前方部で断面が丸みをもった円盤状部10を
有し、その中心よりもずれた位置に孔部11が形成されて
いる。この装着部１はプラスチック等の比較的硬質な材
料で空洞に作られており、円盤状部10の外周面が上記舟
状窩Ｃの空間に丁度収まる形状・大きさとなっている。The mounting portion 1 has a disk-shaped portion 10 having a round cross section at the front portion, and a hole portion 11 is formed at a position shifted from the center thereof. The mounting portion 1 is made of a relatively hard material such as plastic and has a hollow shape, and the outer peripheral surface of the disk-shaped portion 10 has a shape and a size that can just fit in the space of the boat-shaped space C.
また、上記装着部１の内部空間には、骨伝導マイク部
２から受けた電気信号を相手方受信者へ送信するための
送信器（図示せず）へケーブル15により伝達するインピ
ーダンス変換等の回路部14が内蔵されている。上記送信
器は通常、使用者のポケット等に納められている。な
お、受信者が近距離にある場合には、上記回路部14には
上記インピーダンス変換等の回路に加えてそこに小型の
送信回路等を設けて、アンテナから直接、受信者に向け
て送信することもできる。Also, in the internal space of the mounting unit 1, a circuit unit such as an impedance converter for transmitting an electric signal received from the bone conduction microphone unit 2 by a cable 15 to a transmitter (not shown) for transmitting the electric signal to a counterpart recipient. 14 built-in. The transmitter is usually stored in a user's pocket or the like. When the receiver is at a short distance, a small transmitting circuit or the like is provided in the circuit unit 14 in addition to the circuit for impedance conversion or the like, and the signal is directly transmitted from the antenna to the receiver. You can also.
骨伝導マイク部２の振動ピックアップ素子23は、その
先端部2Aが外耳道壁の信号が伝わるホルダ22により筒状
殻体21内に支持されており、該振動子23には該振動子23
の振動電気信号を上記回路部14にもたらす導線24が接続
されている。この骨伝導マイク部２の内部構成は従来の
ピックアップ装置と全く同じでよい。The tip 2A of the vibration pickup element 23 of the bone conduction microphone unit 2 is supported in the cylindrical shell 21 by a holder 22 through which a signal of the external auditory canal wall is transmitted.
A conducting wire 24 for providing the vibration electric signal to the circuit section 14 is connected. The internal configuration of the bone conduction microphone unit 2 may be exactly the same as the conventional pickup device.
かかる骨伝導マイク部２の筒状殻体21は、上記孔部11
内を貫通せる基部にて、装着部１に取り付けられている
回路部に弾性部材13を介して接続・保持されている。The cylindrical shell 21 of the bone conduction microphone unit 2 is provided with the hole 11
A base portion that penetrates the inside is connected and held via a resilient member 13 to a circuit portion attached to the mounting portion 1.
この弾性部材13の材質・寸法は、装着部１で集音され
た外界音が円盤状部10を通じて骨伝導マイク部２に伝達
しないように、また、骨伝導マイク部２の先端部2Aを外
耳道に適切なる圧力で該外耳道の壁面に対しほぼ直角方
向から弾圧接触せしめるように設定される。The material and dimensions of the elastic member 13 are set so that the external sound collected by the mounting portion 1 is not transmitted to the bone conduction microphone portion 2 through the disk-shaped portion 10 and the distal end portion 2A of the bone conduction microphone portion 2 is connected to the ear canal. The elastic pressure is set so as to resiliently contact the wall surface of the ear canal from a direction substantially perpendicular to the wall surface at an appropriate pressure.
かかる構成の本実施例装置は次の要領で使用される。 The apparatus of this embodiment having such a configuration is used in the following manner.
先ず、装着部１が舟状窩Ｃに、そして骨伝導マイク部
２が外耳道Ａの空間内に入れられる。これにより、ほぼ
円盤状の装着部１はその外周部が耳珠軟骨部Ｂ、外耳道
Ａの入口部そしてその間で上記舟状窩Ｃをなす耳介の内
面にて、広い範囲にわたり支持される。一方、骨伝導マ
イク部２は外耳道Ａの空間内にあって、弾性部材13にも
とづき先端部2Aが外耳道壁に接触するようになる。First, the mounting part 1 is put in the scaphoid fossa C, and the bone conduction microphone part 2 is put in the space of the ear canal A. As a result, the substantially disc-shaped mounting portion 1 is supported over a wide area by the outer periphery of the tragus cartilage B, the entrance of the external auditory canal A, and the inner surface of the pinna forming the scaphoid C between them. On the other hand, the bone conduction microphone portion 2 is in the space of the external auditory canal A, and the distal end portion 2A comes into contact with the external auditory canal wall based on the elastic member 13.
かくして、骨伝導マイク部２は骨伝導音声をピックア
ップするのに十分な接触面積及び接触圧を確保しかつ違
和感・閉塞感のない位置で保持される。In this way, the bone conduction microphone section 2 secures a sufficient contact area and contact pressure for picking up the bone conduction sound, and is held at a position where there is no uncomfortable feeling or blockage.
かかる状態で、使用者の話す音声が骨伝導音声として
上記骨伝導マイク部２でピックアップされ、その電気信
号が回路部14を経て、送信器から相手方受信者に向け送
信される。骨伝導マイク部２での骨伝導音声のピックア
ップの際、本実施例では、装着部１の円盤状部10にて外
界音を集音したとしても、円盤状部10と骨伝導マイク部
２とは、弾性部材13を介しているために、上記外界音は
骨伝導マイク部２へは伝達されない。また、骨伝導マイ
ク部２自体は円盤状部10とは別体で小型化されるので、
その表面積も小さくかつ奥まって位置しており外界音を
ひろうことは殆どない。In this state, the voice spoken by the user is picked up by the bone conduction microphone unit 2 as the bone conduction voice, and the electric signal is transmitted from the transmitter to the other recipient via the circuit unit 14. In the present embodiment, when the bone conduction voice is picked up by the bone conduction microphone unit 2, even if the external sound is collected by the disk-shaped unit 10 of the mounting unit 1, the disk-shaped unit 10 and the bone-conduction microphone unit 2 Since the external sound is transmitted through the elastic member 13, the external sound is not transmitted to the bone conduction microphone unit 2. Also, since the bone conduction microphone unit 2 itself is miniaturized separately from the disc-shaped unit 10,
Its surface area is also small and located deep, and it hardly causes external sounds.
なお、本実施例において、上記円盤状部10内にイヤホ
ン部３をも具備せしめ、上記骨伝導マイク部２と相俟っ
て送受信可能な通話装置を構成することもできる。この
イヤホン部３自体は公知のものでよく、外部から送受信
器を経て受けた信号を空気振動として音導管31から音声
を発するものであり、外耳道入口に臨む部分で装着部の
開口32から上記音声が外耳道に送られるようになってい
る。その場合、イヤホン部３は骨伝導マイク部２のピッ
クアップ部分たる先端部2Aと離れて構成されるので、イ
ヤホン部からの音声の骨伝導マイク部２へのいわゆる回
り込みを生ずることがないし、イヤホン部３の振動が円
盤状部10を経て骨伝導マイク部２に伝達されることもな
い。In the present embodiment, an earphone unit 3 may also be provided in the disk-shaped unit 10 so as to constitute a communication device capable of transmitting and receiving in cooperation with the bone conduction microphone unit 2. The earphone 3 itself may be a known one, and emits a sound from a sound conduit 31 as air vibration using a signal received from the outside via a transmitter / receiver, and the sound from the opening 32 of the mounting portion at a portion facing the ear canal entrance. Is sent to the ear canal. In this case, since the earphone unit 3 is configured so as to be separated from the distal end 2A, which is a pickup part of the bone conduction microphone unit 2, so-called sneak of sound from the earphone unit into the bone conduction microphone unit 2 does not occur. The vibration of No. 3 is not transmitted to the bone conduction microphone unit 2 via the disk-shaped portion 10.
次に、第２図に本発明の第二実施例を示す。前実施例
では、骨伝導マイク部はブロック状の弾性部材により装
着部に保持されていたが、本実施例では骨伝導マイク部
の大部分を筒状の弾性部材で覆いかつこの弾性部材を介
して上記骨伝導マイク部を装着部で保持している点で特
徴がある。なお、第２図においては、第１図の第一実施
例と共通する部分には同一符号を付してその説明を省略
する。Next, FIG. 2 shows a second embodiment of the present invention. In the previous embodiment, the bone conduction microphone portion was held on the mounting portion by a block-shaped elastic member. However, in this embodiment, most of the bone conduction microphone portion is covered with a cylindrical elastic member and the elastic member is interposed therebetween. This is characterized in that the bone conduction microphone section is held by a mounting section. In FIG. 2, portions common to those in the first embodiment of FIG. 1 are denoted by the same reference numerals, and description thereof is omitted.
第２図において弾性部材13′は小径の筒状部13′Ａと
該筒状部13′Ａに対し大きく形成された基部13′Ｂとを
有している。上記筒状部13′Ａは骨伝導マイク部２の筒
状殻体21の先端部2Aを除く殆どの部分を覆うように装着
され、基部13′Ｂが装着部１の円盤状部10に取り付けら
れている。このように構成することにより、本実施例で
はイヤホン部３からの音が骨伝導マイク部２に回り込む
ことが、より確実に防止される。In FIG. 2, the elastic member 13 'has a cylindrical portion 13'A having a small diameter and a base portion 13'B formed larger than the cylindrical portion 13'A. The cylindrical portion 13'A is mounted so as to cover most of the cylindrical shell 21 of the bone conduction microphone portion 2 except for the distal end portion 2A, and the base portion 13'B is mounted on the disk-shaped portion 10 of the mounting portion 1. Have been. With this configuration, in the present embodiment, the sound from the earphone unit 3 is prevented from sneaking into the bone conduction microphone unit 2 more reliably.
また、本実施例では好ましい形態として、円盤状部10
は骨伝導マイク部２とイヤホン３との間に隔壁10Aを有
しており、イヤホン部３からの骨伝導マイク部２への音
のまわり込みの防止を、さらに確実なものとしている。In the present embodiment, as a preferred mode, the disc-shaped portion 10
Has a partition wall 10A between the bone conduction microphone unit 2 and the earphone 3 to further prevent the sound from flowing from the earphone unit 3 to the bone conduction microphone unit 2.
本発明では、以上のように、装着部の周部が舟状窩で
支持されると共に、この装着部から延出した骨伝導マイ
ク部の先端の突出部が外耳道で支持されており、しかも
装着部及び骨伝導マイク部の支持力の方向は挿入方向に
対し直角で、離れた二位置で支持されるので、安定した
支持がなされる。骨伝導マイク部は、外耳道に強く押し
込まなくとも、挿入方向に直角な方向から外耳道に対し
十分なる力で接触するので、音のピックアップが容易で
ある。さらに、イアホン部を内蔵し得る装着部と骨伝導
マイク部とが完全に別構成で、装着部と骨伝導マイク部
との間の音の伝達を遮断するように装着部と骨伝導マイ
ク部との間に弾性部材が介在する。そのため、該弾性部
材により骨伝導マイク部を外耳道に対して直角に押す力
を容易に得ることができると共に、イアホン部と骨伝導
マイク部と間での好ましくない相互影響がなくなる。次
に、装着部内にイヤホン部を収納して相互通話装置を構
成する場合には、上記弾性部材によってイヤホン部の振
動が装着部を経て骨伝導マイク部に伝達されることがな
くなる。また、骨伝導マイク部はイヤホン部に対して離
れた位置に設定できるので、イヤホン部の音圧が骨伝導
マイク部に回り込むこともなくなる。In the present invention, as described above, the periphery of the mounting portion is supported by the scaphoid fossa, and the protruding portion at the tip of the bone conduction microphone portion extending from the mounting portion is supported by the external auditory canal. The direction of the supporting force of the part and the bone conduction microphone part is perpendicular to the insertion direction and is supported at two separate positions, so that stable support is provided. Even if the bone conduction microphone unit does not strongly press into the external auditory canal, it contacts the external auditory canal with a sufficient force from a direction perpendicular to the insertion direction, so that sound can be easily picked up. Furthermore, the wearing part and the bone conduction microphone part which can incorporate the earphone part are completely different from each other, and the wearing part and the bone conduction microphone part are so arranged as to block the transmission of sound between the wearing part and the bone conduction microphone part. An elastic member is interposed between them. Therefore, the elastic member can easily obtain a force for pushing the bone conduction microphone section at right angles to the ear canal, and eliminate an undesired interaction between the earphone section and the bone conduction microphone section. Next, in a case where the earphone unit is accommodated in the mounting unit to constitute the mutual communication device, the vibration of the earphone unit is not transmitted to the bone conduction microphone unit via the mounting unit by the elastic member. Further, since the bone conduction microphone can be set at a position distant from the earphone, the sound pressure of the earphone does not go around the bone conduction microphone.
第１図は本発明の第一実施例装置の断面図、第２図は第
二実施例装置の断面図である。 １……装着部 13……弾性部材 ２……骨伝導マイク部 21……筒状殻体 ３……イヤホン部FIG. 1 is a sectional view of the first embodiment of the present invention, and FIG. 2 is a sectional view of the second embodiment of the present invention. DESCRIPTION OF SYMBOLS 1 ... Mounting part 13 ... Elastic member 2 ... Bone conduction microphone part 21 ... Cylindrical shell 3 ... Earphone part
Claims (4)
れる舟状窩の空間に周部が収容される装着部と、該装着
部より延出して外耳道壁へ接面するように外耳道へ挿入
される骨伝導マイク部とを備え、 骨伝導マイク部は、少なくとも外耳道と接触する先端部
分が外耳道壁にほぼ直角方向に突出しており、該突出部
が同方向で弾圧接触するように、弾圧部材を介して装着
部に保持されている、 こととする外耳道で骨伝導音声をピックアップする装
置。1. A mounting portion whose peripheral portion is accommodated in a space of a scaphoid formed between an tragus cartilage portion and an ear canal entrance portion, and extends from the mounting portion so as to be in contact with an external ear canal wall. A bone conduction microphone portion inserted into the external auditory canal, wherein the bone conduction microphone portion has at least a distal end portion that comes into contact with the external ear canal protrudes in a direction substantially perpendicular to the external ear canal wall, and the projection portion comes into elastic contact with the wall in the same direction. And a device for picking up bone conduction sounds in the external auditory canal, which is held in a mounting portion via a resilient member.
を除いた部分が少なくとも部分的に弾性部材で覆われて
いることとする請求項（１）に記載の外耳道で骨伝導音
声をピックアップする装置。2. The bone conduction microphone according to claim 1, wherein the bone conduction microphone portion is at least partially covered with an elastic member except for a portion in contact with the wall of the ear canal. A device to pick up.
をピックアップする装置の装着部の内部に、外部からの
音声を伝えるイヤホン部を収容し、該イヤホン部の音導
管が上記装着部の外耳道に臨む部分に開口していること
とする通話装置。3. An earphone section for transmitting sound from the outside is accommodated in a mounting section of the apparatus for picking up bone conduction sound in the external auditory canal according to claim 1, wherein the sound conduit of the earphone section is mounted on the earphone section. Communication device that is open at the part of the part facing the ear canal.
をピックアップする装置の装着部の内部に、外部からの
音声を伝えるイヤホン部と、受信回路又は送受信回路と
を収容し、該イヤホン部の音導管が上記装着部の外耳道
に臨む部分に開口していることとする通話装置。4. An earphone section for transmitting voice from outside and a receiving circuit or a transmitting / receiving circuit are housed inside a mounting section of the apparatus for picking up bone conduction voice in the external auditory canal according to claim 1; A communication device, wherein a sound conduit of an earphone part is opened at a part of the mounting part facing an external auditory canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2299734A JP2583838B2 (en) | 1990-11-07 | 1990-11-07 | Apparatus for picking up bone conduction voice in ear canal and communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2299734A JP2583838B2 (en) | 1990-11-07 | 1990-11-07 | Apparatus for picking up bone conduction voice in ear canal and communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04172794A JPH04172794A (en) | 1992-06-19 |
| JP2583838B2 true JP2583838B2 (en) | 1997-02-19 |
Family
ID=17876320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2299734A Expired - Fee Related JP2583838B2 (en) | 1990-11-07 | 1990-11-07 | Apparatus for picking up bone conduction voice in ear canal and communication device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2583838B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2232655T3 (en) | 2000-09-01 | 2005-06-01 | Nextlink.To A/S | COMMUNICATIONS TERMINAL, SYSTEM AND METHOD FOR INTERNET / NETWORK TELEPHONY. |
| CN1142671C (en) * | 2001-08-11 | 2004-03-17 | 陈皞 | High feedback inhibited transmitting/receiving integrated earphone |
| KR101471981B1 (en) * | 2013-12-20 | 2014-12-10 | 주식회사 고엘바이오 | Earbud set, and Hearing aid and Earphone using this |
| CN110267141A (en) * | 2019-06-19 | 2019-09-20 | 厦门市派美特科技有限公司 | A kind of bone conduction earphone |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01176199A (en) * | 1987-12-29 | 1989-07-12 | Katsuo Motoi | Ear microphone |
| JPH0248899A (en) * | 1989-06-23 | 1990-02-19 | Sony Corp | Electroacoustic transducer |
-
1990
- 1990-11-07 JP JP2299734A patent/JP2583838B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04172794A (en) | 1992-06-19 |
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