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WO2004093493A1 - Bone-conductive type hearing aid - Google Patents

Bone-conductive type hearing aid Download PDF

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Publication number
WO2004093493A1
WO2004093493A1 PCT/JP2003/016991 JP0316991W WO2004093493A1 WO 2004093493 A1 WO2004093493 A1 WO 2004093493A1 JP 0316991 W JP0316991 W JP 0316991W WO 2004093493 A1 WO2004093493 A1 WO 2004093493A1
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WIPO (PCT)
Prior art keywords
bone conduction
audio signal
hearing aid
shape
retaining material
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.)
Ceased
Application number
PCT/JP2003/016991
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French (fr)
Japanese (ja)
Inventor
Takeshi Takeda
Mikio Fukuda
Shouji Fujino
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Temco Japan Co Ltd
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Temco Japan Co Ltd
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Publication date
Application filed by Temco Japan Co Ltd filed Critical Temco Japan Co Ltd
Priority to AU2003292702A priority Critical patent/AU2003292702A1/en
Publication of WO2004093493A1 publication Critical patent/WO2004093493A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers

Definitions

  • the present invention relates to a bone conduction hearing aid, and more particularly, to a bone conduction hearing aid using a bone conduction speaker that transmits an audio signal by bone vibration as a speaker.
  • General hearing aids use sound pressure-type speakers that transmit sound as air vibrations.In recent years, however, bone-conduction speakers that are less susceptible to external sound because sound signals are transmitted as bone vibrations are used. The bone conduction type hearing aids used are on the market.
  • a headband with a bone conduction speed force 31 attached to one end Press the bone conduction speaker 3 1 against the ear around the temporal region via 3 2 (see Fig. 4), or via the eyeglass vine 3 3 with the bone conduction speed 3 1 at the end, A method of bringing the bone conduction force 31 into close contact with the posterior part of the ear (see FIG. 5) is adopted. As a result, the use of hearing aids is immediately revealed.
  • a bone conduction hearing aid includes: a transmitting unit including a microphone for collecting sound and an audio signal transmitting unit; and a bone conduction member separated from the transmitting unit and formed in a shape-retaining material formed into a shape that is in close contact with the upper jaw. It comprises an output unit provided with speed and audio signal receiving means, and enables wireless transmission and reception of audio signals between the audio signal transmitting means and the audio signal receiving means.
  • a space portion for installing a vibrating portion is provided in a central thick portion of the shape-retaining material, and the bone conduction speaker is fixed to an inner wall of the space portion. Buried in the meat.
  • a protrusion corresponding to a depression between teeth is provided on an outer peripheral portion of the shape retaining material, and hooks for gripping teeth are appropriately provided on an outer peripheral portion of the shape retaining material.
  • a denture is attached to the shape-retaining material.
  • FIG. 1 is a view showing a bone conduction hearing aid according to the present invention.
  • FIG. 2 is a longitudinal sectional view of the bone conduction hearing aid according to the present invention.
  • FIG. 3 is an enlarged sectional partial view of a bone conduction hearing aid according to the present invention.
  • FIG. 4 is a diagram showing a configuration example of a conventional bone conduction hearing aid.
  • FIG. 5 is a diagram showing another configuration example of the conventional bone conduction hearing aid.
  • FIG. 1 shows an embodiment of a bone conduction hearing aid according to the present invention.
  • An output part composed of the shape member 4 and the vibrating part 5 is buried in the central thick part of the shape keeping material 4.
  • the shape-retaining material 4 is made of the same resin as a general upper denture, and is formed into a shape that is in close contact with the upper jaw. Since the central part of the shape-retaining material 4 can be made relatively thick, it is easy to embed the vibrating part 5 therein. Usually, the vibrating part 5 is loaded by providing a space part 8 in the central thick part of the shape-retaining material 4 and fixing the diaphragm 2 a of the osteoconductive force 2 to the inner wall of the space part 8 ( See Figure 3). The receiving circuit 3 can be buried in the shape-retaining material 4.
  • a projection 4a is provided to enter into the depression between the teeth, and a wire-like hook 6 for dipping the teeth is provided at an arbitrary projection 4a.
  • the hook 6 that drip the innermost second molar is larger than the others.
  • the shape-retaining material 4 is fixed to the upper jaw by the hook 6 and, if necessary, by using a denture stabilizer. If the user has full dentures, dentures will be attached to the shape-retaining material 4 by the usual method.
  • the transmitting unit 7 for wirelessly transmitting the audio signal to the receiving circuit 3 is carried by a user, for example, in a pocket.
  • the transmission unit 7 includes a microphone for sound collection and a transmission circuit.
  • a wireless transmission / reception means a means using a weak radio wave, an electromagnetic induction type using a loop antenna, and the like can be used.
  • the audio signal transmitted from the transmitting unit 7 is received by the receiving circuit 3, transmitted as vibration through the bone conduction speaker 3, from the teeth to the jawbone, and is heard as voice through the auditory organ. .
  • the bone conduction hearing aid has an output unit 1 formed of a shape-retaining material 4 having a vibrating unit 5 fixed to the upper jaw in close contact with the upper jaw, and a transmitting unit 7 carried in a pocket or the like.
  • the voice during conversation or the like is picked up by the microphone for sound collection of the transmission unit 7, transmitted from the transmission circuit, and received by the reception circuit 3.
  • the received voice signal is amplified and amplified by the bone conduction speaker 2. It is converted to motion and transmitted to the teeth, where it is heard as bone conduction sound.
  • the present invention since the bone conduction speed and the receiving circuit are embedded in the shape-retaining material of the maxillary denture which cannot be seen from the outside, there is no possibility that the use of the hearing aid is exposed, It is suitable for those who do not want to know that they are using it.
  • the bone conduction speaker directly vibrates the teeth, the most efficient voice transmission is possible as a bone conduction method, which has the effect of minimizing power consumption. is there.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

There is provided a bone-conductive type hearing aid which cannot be seen from outside when mounted and can suppress power consumption. The bone-conductive type hearing aid includes; a transmission section having a sound collecting microphone and audio signal transmission means; and an output section separated from the transmission section and having a bone-conductive loudspeaker and audio signal reception means arranged in a form maintaining member formed in a shape to be closely attached to the upper jaw of a user. An audio signal can be radio-transmitted/received between the audio signal transmission means and the audio signal reception means.

Description

明 細 書  Specification

発明の名称 Title of invention

骨伝導型補聴器 技術分野  Bone conduction hearing aids

本発明は骨伝導型補聴器、 より詳細には、 スピーカとして音声信号を骨 の振動によって伝達する骨伝導スピーカを用いた骨伝導型補聴器に関する ものである。 背景技術  The present invention relates to a bone conduction hearing aid, and more particularly, to a bone conduction hearing aid using a bone conduction speaker that transmits an audio signal by bone vibration as a speaker. Background art

一般の補聴器は、 音声を空気の振動として伝達する音圧型のスピーカを 用いているが、 近時、 音声信号を骨の振動として伝達するために外音の影 響を受けにくい、 骨伝導スピーカを用いた骨伝導タイプの補聴器が出回つ てきている。  General hearing aids use sound pressure-type speakers that transmit sound as air vibrations.In recent years, however, bone-conduction speakers that are less susceptible to external sound because sound signals are transmitted as bone vibrations are used. The bone conduction type hearing aids used are on the market.

骨伝導タイプの補聴器の場合、 そのスピーカ部を頭蓋骨の一部に圧着さ せて使用する必要があるため、 その装着には、 例えば、 一端部に骨伝導ス ピー力 3 1を取り付けたへッドバンド 3 2を介し、 当該骨伝導スピーカ 3 1を側頭部の耳周辺部に押し付ける方法 (図 4参照）、 あるいは、端部に骨 伝導スピー力 3 1を設置したメガネのつる 3 3を介し、 当該骨伝導スピー 力 3 1を耳の後側部分に密着させる方法 (図 5参照) 等が採られる。 その ため、 補聴器を使用していることが、 直ちに露見してしまう。  In the case of bone conduction type hearing aids, it is necessary to use the speaker part by crimping it to a part of the skull. For example, a headband with a bone conduction speed force 31 attached to one end Press the bone conduction speaker 3 1 against the ear around the temporal region via 3 2 (see Fig. 4), or via the eyeglass vine 3 3 with the bone conduction speed 3 1 at the end, A method of bringing the bone conduction force 31 into close contact with the posterior part of the ear (see FIG. 5) is adopted. As a result, the use of hearing aids is immediately revealed.

また、 骨伝導タイプのスピーカを用いる場合は、 音声振動を頭蓋骨に伝 達する必要があるため、 一般の音圧型スピーカを用いる場合に比較して、 電力消費量が大となる欠点がある。 発明の開示  In addition, when using a bone conduction type speaker, it is necessary to transmit sound vibration to the skull, so that there is a disadvantage that power consumption is larger than when using a general sound pressure type speaker. Disclosure of the invention

上述したように、 従来の骨伝導型補聴器の場合には、 一見して装着して いることが分ってしまうため、 装着していることを知られたくない人にと つては不都合であり、 また、 電力消費量が大となる欠点があつたので、 本 発明はそのような問題のない、 即ち、 装着していることが外部からは全く 分らず、 また、 電力消費量を極力抑えることができる骨伝導型補聴器を提 供することを課題とする。 As mentioned above, in the case of a conventional bone conduction type hearing aid, it is obvious at first glance that it is worn, so it is for those who do not want to know that they are wearing it. However, the present invention has no drawback that the power consumption is large, and thus the present invention does not have such a problem. That is, the wearing is completely unknown from the outside, and the power consumption is low. It is an object of the present invention to provide a bone conduction hearing aid that can minimize the volume.

歯は、 音声振動を骨伝導によって最も効率よく伝達する場所であること が知られているが、 本発明者らはかかる知見から本発明をなすに至ったも ので、 上記課題を解決するための本発明に係る骨伝導型補聴器は、 集音用 マイクロホンと音声信号送信手段とを含む送信部と、 前記送信部から分離 されていて、 上顎に密着する形状に成形した保形材内に骨伝導スピー力と 音声信号受信手段とを配設して成る出力部とで構成され、 前記音声信号送 信手段と前記音声信号受信手段間で音声信号の無線送受信を可能にして成 る。  It is known that the tooth is the most efficient place for transmitting voice vibration by bone conduction.However, the present inventors have made the present invention based on such findings, A bone conduction hearing aid according to the present invention includes: a transmitting unit including a microphone for collecting sound and an audio signal transmitting unit; and a bone conduction member separated from the transmitting unit and formed in a shape-retaining material formed into a shape that is in close contact with the upper jaw. It comprises an output unit provided with speed and audio signal receiving means, and enables wireless transmission and reception of audio signals between the audio signal transmitting means and the audio signal receiving means.

好ましくは、 前記保形材の中央厚肉部に振動部設置用空間部を設け、 該 空間部の内壁に前記骨伝導スピーカを固定することとし、 また、 前記音声 信号受信手段を前記保形材の肉中に埋設する。  Preferably, a space portion for installing a vibrating portion is provided in a central thick portion of the shape-retaining material, and the bone conduction speaker is fixed to an inner wall of the space portion. Buried in the meat.

更に好ましくは、 前記保形材の外周部に、 歯間の窪みに対応する突部を 設け、 また、 前記保形材の外周部に、 歯をグリップするフックを適宜数設 ける。 総入れ歯等の場合には、 前記保形材に義歯が取り付けられる。 図面の簡単な説明  More preferably, a protrusion corresponding to a depression between teeth is provided on an outer peripheral portion of the shape retaining material, and hooks for gripping teeth are appropriately provided on an outer peripheral portion of the shape retaining material. In the case of full dentures or the like, a denture is attached to the shape-retaining material. BRIEF DESCRIPTION OF THE FIGURES

第 1図は、 本発明に係る骨伝導型補聴器を示す図である。 第 2図は、 本 発明に係る骨伝導型補聴器の縦断面図である。 第 3図は、 本発明に係る骨 伝導型補聴器の拡大断面部分図である。 第 4図は、 従来の骨伝導型補聴器 の一構成例を示す図である。 第 5図は、 従来の骨伝導型補聴器の他の構成 例を示す図である。 発明を実施するための最良の形態  FIG. 1 is a view showing a bone conduction hearing aid according to the present invention. FIG. 2 is a longitudinal sectional view of the bone conduction hearing aid according to the present invention. FIG. 3 is an enlarged sectional partial view of a bone conduction hearing aid according to the present invention. FIG. 4 is a diagram showing a configuration example of a conventional bone conduction hearing aid. FIG. 5 is a diagram showing another configuration example of the conventional bone conduction hearing aid. BEST MODE FOR CARRYING OUT THE INVENTION

本発明の実施の形態につき添付図面に依拠して説明する。 図 1は、 本発 明に係る骨伝導型補聴器の一実施形態を示すもので、 図中 1は、 骨伝導ス ピー力 2と受信回路 3とから成る振動部 5と、 一般の上顎義歯と同様形状 に形成した保形材 4とから成る出力部で、 振動部 5は保形材 4の中央厚肉 部内に埋設する。 An embodiment of the present invention will be described with reference to the accompanying drawings. Figure 1 shows the FIG. 1 shows an embodiment of a bone conduction hearing aid according to the present invention. An output part composed of the shape member 4 and the vibrating part 5 is buried in the central thick part of the shape keeping material 4.

保形材 4は、 一般の上顎義歯と同様の樹脂製で、 上顎に密着する形状に 成形する。 保形材 4の中央部分は比較的厚くすることができるので、 そこ に振動部 5を埋設することは容易である。 通例、 振動部 5は、 保形材 4の 中央厚肉部内に空間部 8を設け、 その空間部 8の内壁に骨伝導スピー力 2 の振動板 2 aを固定する方法によつて装填する（図 3参照）。受信回路 3は、 保形材 4中に埋人することができる。  The shape-retaining material 4 is made of the same resin as a general upper denture, and is formed into a shape that is in close contact with the upper jaw. Since the central part of the shape-retaining material 4 can be made relatively thick, it is easy to embed the vibrating part 5 therein. Usually, the vibrating part 5 is loaded by providing a space part 8 in the central thick part of the shape-retaining material 4 and fixing the diaphragm 2 a of the osteoconductive force 2 to the inner wall of the space part 8 ( See Figure 3). The receiving circuit 3 can be buried in the shape-retaining material 4.

保形材 4の周縁には、 歯間の窪みに入り込む突部 4 aを設け、 任意の突 部 4 aに、 歯をダリップするための針金状のフック 6を配備する。 一番奥 の第二大臼歯をダリップするフック 6は、他のものより大きなものとなる。 保形材 4はこのフック 6により、 また、 必要に応じて入れ歯安定剤を用い て上顎部に固定する。 使用者が総入れ歯等の場合は、 常法により、 保形材 4に義歯が取り付けられる。  On the periphery of the shape-retaining material 4, a projection 4a is provided to enter into the depression between the teeth, and a wire-like hook 6 for dipping the teeth is provided at an arbitrary projection 4a. The hook 6 that drip the innermost second molar is larger than the others. The shape-retaining material 4 is fixed to the upper jaw by the hook 6 and, if necessary, by using a denture stabilizer. If the user has full dentures, dentures will be attached to the shape-retaining material 4 by the usual method.

受信回路 3に音声信号を無線送信するための送信部 7は、 利用者がボケ ットに入れる等して所持する。 送信部 7は、 集音用のマイクロホンと送信 回路とを備える。 無線となる送受信手段としては、 微弱電波を使うもの、 ループアンテナを使った電磁誘導タイブのもの等を利用することができる。 この構成の場合、 送信部 7から送られる音声信号は、 受信回路 3で受信 され、 骨伝導スピーカ 3を介して振動として、 歯から顎骨に伝達され、 聴 覚器官を介して音声として聴取される。  The transmitting unit 7 for wirelessly transmitting the audio signal to the receiving circuit 3 is carried by a user, for example, in a pocket. The transmission unit 7 includes a microphone for sound collection and a transmission circuit. As a wireless transmission / reception means, a means using a weak radio wave, an electromagnetic induction type using a loop antenna, and the like can be used. In the case of this configuration, the audio signal transmitted from the transmitting unit 7 is received by the receiving circuit 3, transmitted as vibration through the bone conduction speaker 3, from the teeth to the jawbone, and is heard as voice through the auditory organ. .

この骨伝導型補聴器は、 使用時に、 振動部 5を備えた保形材 4で構成さ れる出力部 1を上顎に密着状態に固定し、 送信部 7をポケット等に入れて 所持する。 会話時等における音声は、 送信部 7の集音用マイクロホンによ つてピックアップされ、 送信回路から送信されて受信回路 3によつて受信 される。 受信された音声信号は、 増幅されて骨伝導スピーカ 2によって振 動に変換され歯に伝達され、 骨伝導音として聴取される。 産業上の利用の可能性 In use, the bone conduction hearing aid has an output unit 1 formed of a shape-retaining material 4 having a vibrating unit 5 fixed to the upper jaw in close contact with the upper jaw, and a transmitting unit 7 carried in a pocket or the like. The voice during conversation or the like is picked up by the microphone for sound collection of the transmission unit 7, transmitted from the transmission circuit, and received by the reception circuit 3. The received voice signal is amplified and amplified by the bone conduction speaker 2. It is converted to motion and transmitted to the teeth, where it is heard as bone conduction sound. Industrial potential

本発明は上述した通りであって、 骨伝導スピー力と受信回路が外部から は見えない上顎義歯の保形材内に埋設されるため、 補聴器を使用している ことが露見するおそれがなく、 使用していることを知られたくない人が用 いるのに好適である。  Since the present invention is as described above, since the bone conduction speed and the receiving circuit are embedded in the shape-retaining material of the maxillary denture which cannot be seen from the outside, there is no possibility that the use of the hearing aid is exposed, It is suitable for those who do not want to know that they are using it.

また、 骨伝導スピーカが歯を直接振動させるので、 骨伝導方式としては最 も効率のよい音声伝達が可能となり、 以て電力消費を極力抑え得る効果が あるので、 利用可能 1~生は大である。 In addition, since the bone conduction speaker directly vibrates the teeth, the most efficient voice transmission is possible as a bone conduction method, which has the effect of minimizing power consumption. is there.

Claims

請求の範囲 The scope of the claims 1 集音用マイクロホンと音声信号送信手段とを含む送信部と、 前記 送信部から分離されていて、 上顎に密着する形状に成形した保形材内に骨 伝導スピー力と音声信号受信手段とを配設して成る出力部とで構成され、 前記音声信号送信手段と前記音声信号受信手段間で音声信号の無線送受信 を可能にして成る骨伝導型補聴器。 1 A transmitting unit including a microphone for sound collection and an audio signal transmitting unit, and a bone conduction speed and an audio signal receiving unit in a shape-retaining material that is separated from the transmitting unit and molded into a shape that is in close contact with the upper jaw. A bone conduction hearing aid, comprising: an output unit disposed; and enabling wireless transmission and reception of an audio signal between the audio signal transmitting unit and the audio signal receiving unit. 2 前記保形材の中央厚肉部に振動部設置用空間部を設け、 該空間部 の内壁に前記骨伝導スピー力を固定した請求項 1に記載の骨伝導型補聴器。 3 前記音声信号受信手段を前記保形材の肉中に埋設した請求項 1又 は 2に記載の骨伝導型補聴器。  2. The bone conduction hearing aid according to claim 1, wherein a space portion for installing a vibration portion is provided in a central thick portion of the shape retaining material, and the bone conduction speed is fixed to an inner wall of the space portion. 3. The bone conduction hearing aid according to claim 1, wherein the audio signal receiving means is embedded in the meat of the shape-retaining material. 4 前記保形材の外周部に、 歯間の窪みに対応する突部を設けた請求 項 1乃至 3のいずれかに記載の骨伝導型補聴器。  4. The bone conduction hearing aid according to claim 1, wherein a protrusion corresponding to a recess between teeth is provided on an outer peripheral portion of the shape-retaining material. 5. 5 前記保形材の外周部に、 歯をグリップするフックを適宜数突設し た請求項 1乃至 4のいずれかに記載の骨伝導型補聴器。  5. The bone conduction hearing aid according to any one of claims 1 to 4, wherein a suitable number of hooks for gripping teeth are provided on an outer peripheral portion of the shape-retaining material. 6 前記保形材に義齒が取り付けられた請求項 1乃至 5のいずれかに 記載の骨伝導型補聴器。  6. The bone conduction hearing aid according to any one of claims 1 to 5, wherein a denture is attached to the shape-retaining material.
PCT/JP2003/016991 2003-01-15 2003-12-26 Bone-conductive type hearing aid Ceased WO2004093493A1 (en)

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JP2003007075A JP3950420B2 (en) 2003-01-15 2003-01-15 Bone conduction hearing aid

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Publication number Priority date Publication date Assignee Title
US7555136B2 (en) 2004-06-25 2009-06-30 Victorion Technology Co., Ltd. Nasal bone conduction wireless communication transmitting device
US9113262B2 (en) 2006-05-30 2015-08-18 Sonitus Medical, Inc. Methods and apparatus for transmitting vibrations
US10484805B2 (en) 2009-10-02 2019-11-19 Soundmed, Llc Intraoral appliance for sound transmission via bone conduction

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JP3950420B2 (en) 2007-08-01
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TWI272030B (en) 2007-01-21
TW200417268A (en) 2004-09-01

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