WO2004051967A1 - Portable telephone using bone conduction speaker - Google Patents

Portable telephone using bone conduction speaker Download PDF

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Publication number
WO2004051967A1
WO2004051967A1 PCT/JP2003/015168 JP0315168W WO2004051967A1 WO 2004051967 A1 WO2004051967 A1 WO 2004051967A1 JP 0315168 W JP0315168 W JP 0315168W WO 2004051967 A1 WO2004051967 A1 WO 2004051967A1
Authority
WO
WIPO (PCT)
Prior art keywords
bone conduction
conduction speaker
body housing
main body
speaker
Prior art date
Application number
PCT/JP2003/015168
Other languages
French (fr)
Japanese (ja)
Inventor
Mikio Fukuda
Original Assignee
Temco Japan Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Temco Japan Co., Ltd. filed Critical Temco Japan Co., Ltd.
Priority to AU2003284467A priority Critical patent/AU2003284467A1/en
Publication of WO2004051967A1 publication Critical patent/WO2004051967A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Definitions

  • the present invention relates to a mobile phone using a bone conduction speaker.
  • sound pressure type speakers are used as speakers for mobile phones.
  • the sound pressure type speaker 1 is installed in the upper part of the phone case, and the sound is emitted from the sound emission hole provided in the upper part on the front side of the case, and the sound emission hole is applied to the ear hole for listening.
  • this sound pressure type speaker since the diaphragm has a cone shape, there is naturally a limit to downsizing and thinning.
  • FIGS. 3 and 4 show configuration examples of a mobile phone using the bone conduction speaker.
  • the bone conduction speaker 21 includes, in a case 22, a vibration system including a yoke 23, a magnet 24, and a voice coil 25, and a vibration fixed to the yoke 23.
  • the plate 26 is housed by fixing the diaphragm 26 to the inner surface of the case 22.
  • the bone conduction speaker 21 is attached to the front upper portion of the housing 31 in a protruding state via a cushioning member 32 for preventing howling.
  • the present invention provides a bone conduction speaker that is installed without protruding from the telephone body case, does not hinder the speaker, does not hinder the folding configuration, and can be used under high noise. It is an object to provide a mobile phone using a conduction speaker.
  • a portable telephone using the bone conduction speaker according to the present invention for solving the above-mentioned problem comprises: It is characterized in that it is incorporated in the main body housing.
  • FIG. 1 is a perspective view of a main part of a mobile phone according to the present invention.
  • FIG. 2 is a partial cutaway view of a main part of the mobile phone according to the present invention.
  • FIG. 3 is a perspective view of a main part of a conventional mobile phone.
  • FIG. 4 is a partial cutaway view of a main part of a conventional mobile phone.
  • FIG. 1 is a perspective view of a main part of a mobile phone provided with a bone conduction speaker according to the present invention
  • FIG. 2 is a partially cutaway view of the main part.
  • 1 is the main unit housing, which is equipped with an antenna 2, screen 3 and operation keys (not shown) as in the conventional case.
  • a bone conduction speaker 4 is installed in the upper front part in the main body housing 1. In this case, it is not necessary to provide a sound emission hole in the speaker installation part as in the conventional case.
  • the bone conduction speaker 4 has a circular yoke 5 and an inner peripheral surface of the yoke 5.
  • the bone conduction speaker 4 is installed on the upper part of the main body housing 1 by fixing the diaphragm 8 directly to the inner surface of the main body housing 1.
  • the main body housing 1 itself operates as a diaphragm of the speaker. Therefore, when used by a normal hearing person, the sound can be heard as an acoustic speaker, and the vibration can be transmitted from the entire body 1 and the paging 1, so that the user can hear the bone conduction sound and the air vibration sound. Will be heard at the same time. Therefore, a normal hearing person can hear with more natural sound quality, and a person with hearing loss can use. Also, since the entire body housing 1 is a diaphragm, it is not necessary to match the sound emission holes (small holes) with the ear holes when used, unlike general sound pressure type speakers.
  • the bone conduction speaker 14 When the bone conduction speaker 14 is directly mounted on the inner surface of the main body housing 1 as described above, there is a concern about howling.
  • the recent digitization of mobile phones and the incorporation of a high-performance howling canceller will eliminate the howling problem.
  • the howling problem is less likely to occur because the speaker built-in part and the microphone built-in part are separated from each other in structure.
  • the bone conduction speaker can be finished in a neat design without any protruding portion built into the inner side of the housing, and each contact between the ear peripheral portion of the head and the main body housing can be achieved.
  • the body housing can be applied anywhere around the ear. There is a reason.
  • there is no problem of howling and there is an effect that it can be used without discomfort even if used by a hearing person or a hearing-impaired person.

Abstract

A portable telephone using a bone conduction speaker usable under high noise condition, wherein the bone conduction speaker is installed without projecting from the telephone main body case, so that it does not become an obstacle, without any trouble in making a foldable arrangement. It is characterized in that the bone conduction speaker is incorporated into the main body housing by directly fixing the diaphragm of the bone conduction speaker to the upper region of the front inner surface of the main body housing.

Description

骨伝導スピーカーを用いた携帯電話機 技術分野 Mobile phone using bone conduction speaker
本発明は、 骨伝導スピーカーを用いた携帯電話機に関するものである。  The present invention relates to a mobile phone using a bone conduction speaker.
明 背景技術  Akira Background technology
書  book
近時の携帯電話の普及にはめざましいものがあり、 多くの人が所持する に至っている。 その普及と共に、 携帯電話機の小型化、 高性能化も進んで きており、 それに伴ない、 使用されるスピーカーユニットについても超小 型化、 薄型化の要請が高まっている。  Recently, the spread of mobile phones has been remarkable, and many people have possessed them. Along with the spread of mobile phones, miniaturization and high performance of mobile phones have been progressing, and accordingly, demands for ultra-small and thin speaker units to be used have been increasing.
携帯電話機のスピーカーとしては、 一般に音圧型スピーカーが用いられ ている。 音圧型スピーカ一は電話機本体ケース上部に配備され、 本体ケー スの正面側上部に設けた放音孔より放音され、 放音孔を耳孔に当てがつて 聴取する。この音圧型スピーカーの場合、振動板はコーン形状であるため、 小型化、 薄型ィ匕するにも自ずと限界がある。  Generally, sound pressure type speakers are used as speakers for mobile phones. The sound pressure type speaker 1 is installed in the upper part of the phone case, and the sound is emitted from the sound emission hole provided in the upper part on the front side of the case, and the sound emission hole is applied to the ear hole for listening. In the case of this sound pressure type speaker, since the diaphragm has a cone shape, there is naturally a limit to downsizing and thinning.
しかるに最近、 上記音圧型スピーカーの代わりに、 骨を振動させること によって音声を伝達させる骨伝導スピーカーを採用した携帯電話機が考え られている。 図 3及ぴ図 4は、 この骨伝導スピーカーを用いた携帯電話機 の構成例を示すものである。  However, recently, instead of the sound pressure type speaker, a mobile phone employing a bone conduction speaker that transmits sound by vibrating bones has been considered. FIGS. 3 and 4 show configuration examples of a mobile phone using the bone conduction speaker.
このような構成の場合、 骨伝導スピーカー 2 1は、 ケース 2 2内に、 ョ ーク 2 3とマグネット 2 4とボイスコイル 2 5とから成る振動系と、 ョー ク 2 3に固定される振動板 2 6とを、 振動板 2 6をケース 2 2の内側面に 固定することによって収納して構成される。 骨伝導スピーカー 2 1は、 ハ ウジング 3 1の正面側上部に、 ハウリング対策用のクッション材 3 2を介 して突出状態に取り付けられる。  In the case of such a configuration, the bone conduction speaker 21 includes, in a case 22, a vibration system including a yoke 23, a magnet 24, and a voice coil 25, and a vibration fixed to the yoke 23. The plate 26 is housed by fixing the diaphragm 26 to the inner surface of the case 22. The bone conduction speaker 21 is attached to the front upper portion of the housing 31 in a protruding state via a cushioning member 32 for preventing howling.
上記従来の骨伝導スピーカーを用いた携帯電話機の場合、 骨伝導スピー カーが突出状態に取り付けられるために邪魔になり、 特に、 最近主流にな てきている折畳み式携帯電話機用の構成とするには適さない。 発明の開示 In the case of a mobile phone using the above conventional bone conduction speaker, bone conduction speed Since the car is mounted in a protruding state, it is in the way, and is not particularly suitable for the configuration of foldable mobile phones, which have recently become mainstream. Disclosure of the invention
そこで本発明は、 骨伝導スピーカーが電話機本体ケースから突出するこ となく装備されるために邪魔にならず、 折畳み式の構成とするのに支障が なく、 高騒音下での使用も可能な骨伝導スピーカーを用いた携帯電話機を 提供することを課題とする。  Therefore, the present invention provides a bone conduction speaker that is installed without protruding from the telephone body case, does not hinder the speaker, does not hinder the folding configuration, and can be used under high noise. It is an object to provide a mobile phone using a conduction speaker.
上記課題を解決するための本発明に係る骨伝導スピーカーを用いた携帯 電話機は、 骨伝導スピーカーの振動板を、 本体ハウジングの前面側内側面 上部に直接固定することによつて前記骨伝導スピーカーを前記本体ハゥジ ングに組み込んだことを特徴とする。 図面の簡単な説明  A portable telephone using the bone conduction speaker according to the present invention for solving the above-mentioned problem, comprises: It is characterized in that it is incorporated in the main body housing. BRIEF DESCRIPTION OF THE FIGURES
第 1図は、 本発明に係る携帯電話機の要部斜視図である。 第 2図は、 本 発明に係る携帯電話機の要部の部分切截図である。 第 3図は、 従来の携帯 電話機の要部斜視図である。 第 4図は、 従来の携帯電話機の要部の部分切 截図である。 発明を実施するための最良の形態  FIG. 1 is a perspective view of a main part of a mobile phone according to the present invention. FIG. 2 is a partial cutaway view of a main part of the mobile phone according to the present invention. FIG. 3 is a perspective view of a main part of a conventional mobile phone. FIG. 4 is a partial cutaway view of a main part of a conventional mobile phone. BEST MODE FOR CARRYING OUT THE INVENTION
本発明の実施の形態を添付図面に依拠して説明する。 図 1は、 本発明に 係る骨伝導スピーカーを備えた携帯電話機の要部斜視図であり、 図 2は、 その要部の部分切截図である。  Embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a perspective view of a main part of a mobile phone provided with a bone conduction speaker according to the present invention, and FIG. 2 is a partially cutaway view of the main part.
図中 1は本体ハウジングで、 従来のものと同様に、 アンテナ 2、 画面 3 及ぴ操作キー （図示していない） を配備する。 本体ハウジング 1内の正面 側上部に、 骨伝導スピーカー 4が設置される。 この場合、 従来のもののよ うに、 スピーカー設置部に放音孔を設ける必要はない。  In the figure, 1 is the main unit housing, which is equipped with an antenna 2, screen 3 and operation keys (not shown) as in the conventional case. A bone conduction speaker 4 is installed in the upper front part in the main body housing 1. In this case, it is not necessary to provide a sound emission hole in the speaker installation part as in the conventional case.
骨伝導スピーカー 4は、 円形のヨーク 5と、 ヨーク 5の周壁内面に沿つ て配置されるマグネット 6と、 ヨーク 5のセンターポールに卷装されるボ イスコイル 7と、ヨーク 5の開放側端面に定着される振動板 8とから成る。 骨伝導スピーカー 4は、 振動板 8を直接本体ハウジング 1の内側面に固定 することによって、 本体ハウジング 1の上部に設置される。 The bone conduction speaker 4 has a circular yoke 5 and an inner peripheral surface of the yoke 5. A yoke 5, a voice coil 7 wound around a center pole of the yoke 5, and a diaphragm 8 fixed to an open end surface of the yoke 5. The bone conduction speaker 4 is installed on the upper part of the main body housing 1 by fixing the diaphragm 8 directly to the inner surface of the main body housing 1.
このように、 骨伝導スピ カー 4が本体ハウジング 1の内面に直接取り 付けられるため、 本体ハウジング 1自体がスピーカーの振動板として動作 する。 従って、 健聴者が使用した場合には音響スピーカ一として聞くこと ができ、 また、 本体ノ、ゥジング 1の全体から振動を伝達することが可能と なるため、 使用者は骨導音と空気振動音とを同時に聞くことになる。 従つ て、 健聴者の場合には、 より自然な音質で聞くことができ、 聴力が落ちた 者の使用も可能になる。 また、 本体ハウジング 1の全体が振動板となるた めに、 一般の音圧型スピーカーと違い、 使用時に放音孔 （小さな孔） と耳 孔を一致させる必要はない。  As described above, since the bone conduction speaker 4 is directly attached to the inner surface of the main body housing 1, the main body housing 1 itself operates as a diaphragm of the speaker. Therefore, when used by a normal hearing person, the sound can be heard as an acoustic speaker, and the vibration can be transmitted from the entire body 1 and the paging 1, so that the user can hear the bone conduction sound and the air vibration sound. Will be heard at the same time. Therefore, a normal hearing person can hear with more natural sound quality, and a person with hearing loss can use. Also, since the entire body housing 1 is a diaphragm, it is not necessary to match the sound emission holes (small holes) with the ear holes when used, unlike general sound pressure type speakers.
上記のように骨伝導スピーカ一 4を本体ハウジング 1の内面に直接取り 付けた場合は、 ハウリングの問題が懸念される。 しかし、 最近の携帯電話 機はデジタル化されており、 また、 高性能のハウリングキャンセラーが組 み込まれるために、 ハウリング問題は解消される。 殊に、 折畳み式の電話 機の場合は、 構造上スピーカー組み込み部とマイクロホン組み込み部とが 分離されているため、 一層ハウリングの問題が起こりにくい。  When the bone conduction speaker 14 is directly mounted on the inner surface of the main body housing 1 as described above, there is a concern about howling. However, the recent digitization of mobile phones and the incorporation of a high-performance howling canceller will eliminate the howling problem. In particular, in the case of a foldable telephone, the howling problem is less likely to occur because the speaker built-in part and the microphone built-in part are separated from each other in structure.
本発明に係る携帯電話機の場合は、 特に、 骨伝導スピーカー 4を用いて いるために、高騷音下においても、耳栓をする等して耳を塞ぐことにより、 騒音の影響を余り受けずに通話することが可能となる。 産業上の利用可能性  In the case of the mobile phone according to the present invention, in particular, since the bone conduction speaker 4 is used, even under high noise, the ear is plugged or the like to cover the ear, so that the mobile phone is not much affected by noise. Can be called. Industrial applicability
本発明は上述した通りであるので、 骨伝導スピーカーがハウジングの内 側に組み込まれた突出部のないすっきりとしたデザィンに仕上げることが でき、 頭部の耳周辺部と本体ハウジングとの各当接部位に制限がなく、 即 ち、 本体ハウジングは耳周辺部のどこに当ててもよいため、 使用態様に自 由度がある。 また、 ハウリングの問題もなく、 健聴者が使用しても、 聴覚 障害者が使用しても、 違和感なく使用することができる効果がある。 Since the present invention is as described above, the bone conduction speaker can be finished in a neat design without any protruding portion built into the inner side of the housing, and each contact between the ear peripheral portion of the head and the main body housing can be achieved. There is no restriction on the part, that is, the body housing can be applied anywhere around the ear. There is a reason. In addition, there is no problem of howling, and there is an effect that it can be used without discomfort even if used by a hearing person or a hearing-impaired person.

Claims

請求の範囲 The scope of the claims
1、 骨伝導スピーカーの振動板を、 本体ハゥジングの前面側内側面上部 に直接固定することによって、 前記骨伝導スピーカーを前記本体ハウジン グに組み込んだことを特徴とする骨伝導スピーカーを用いた携帯電話機。 1. A mobile phone using a bone conduction speaker, wherein the bone conduction speaker is incorporated in the body housing by directly fixing a diaphragm of the bone conduction speaker to an upper portion of the front side inner surface of the body housing. .
2、 前記本体ハウジングが折畳み式である請求項 1に記載の骨伝導スピ 一力一を用いた携帯電話機。 2. The mobile phone according to claim 1, wherein the main body housing is a foldable type.
PCT/JP2003/015168 2002-12-04 2003-11-27 Portable telephone using bone conduction speaker WO2004051967A1 (en)

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AU2003284467A AU2003284467A1 (en) 2002-12-04 2003-11-27 Portable telephone using bone conduction speaker

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JP2002352000A JP2004187031A (en) 2002-12-04 2002-12-04 Mobile phone using bone conduction speaker
JP2002-352000 2002-12-04

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