JPS6342999B2 - - Google Patents
Info
- Publication number
- JPS6342999B2 JPS6342999B2 JP55152206A JP15220680A JPS6342999B2 JP S6342999 B2 JPS6342999 B2 JP S6342999B2 JP 55152206 A JP55152206 A JP 55152206A JP 15220680 A JP15220680 A JP 15220680A JP S6342999 B2 JPS6342999 B2 JP S6342999B2
- Authority
- JP
- Japan
- Prior art keywords
- outer casing
- auricle
- electroacoustic transducer
- tragus
- concha cavity
- 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
Links
- 241000746998 Tragus Species 0.000 claims description 16
- 210000000624 ear auricle Anatomy 0.000 description 10
- 210000000613 ear canal Anatomy 0.000 description 10
- 230000037431 insertion Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、耳介の凹部である耳甲介腔に嵌合す
るように装着して使用される耳介装着型の電気音
響変換器に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an auricle-mounted electroacoustic transducer that is used by being fitted in the concha cavity, which is a concave part of the auricle. .
従来、耳介装着型の電気音響変換器として、第
１図及び第２図に示すように構成されたものが知
られている。
2. Description of the Related Art Conventionally, an auricle-mounted electroacoustic transducer configured as shown in FIGS. 1 and 2 is known.
第１図に示すものは、耳介装着型のイヤホンで
あつて、このイヤホンは、振動板を含む電気音響
変換素子を内蔵したイヤホン本体１の一端面に音
道２を形成した耳介挿入部３を突設し、この耳介
挿入部３を耳介の耳甲介腔に連続するさらに内方
の外耳道にまで挿入して耳介に装着するように構
成されてなるものである。 What is shown in FIG. 1 is an auricle-mounted earphone, which has an auricle insertion section in which a sound path 2 is formed on one end surface of an earphone body 1 that houses an electroacoustic transducer including a diaphragm. 3 is provided in a protruding manner, and the auricle insertion part 3 is inserted into the external auditory canal further inward, which is continuous with the concha cavity of the auricle, and is attached to the auricle.
また、第２図に示すものは、ステレオ再生の聴
取を行い得るように、一対のイヤホン４，５を連
結杆６で連結したものである。この第２図に示す
ものも、各イヤホン４，５を構成するイヤホン本
体１，１一端面に音道２を形成した耳介挿入部３
を突設し、これら耳介挿入部３を外耳道にまで挿
入して耳介に装着するように構成されてなるもの
である。 Furthermore, in the one shown in FIG. 2, a pair of earphones 4 and 5 are connected by a connecting rod 6 so that stereo reproduction can be performed. The one shown in FIG. 2 also has an auricle insertion portion 3 in which a sound path 2 is formed on one end surface of the earphone bodies 1 and 1 constituting each earphone 4 and 5.
These ear pinna insertion parts 3 are inserted into the external auditory canal and attached to the pinna.
上述したような第１図及び第２図に示すもの
は、いずれも耳介挿入部３を外耳道まで挿入して
装着するものであるため、装着時の圧迫感を免れ
ない。また、外耳道に押し込む程度により上記外
耳道等に痛みや違和感を強く感ずる。さらに、再
生音質の劣化も避けられない。 Both of the devices shown in FIGS. 1 and 2 described above are worn by inserting the auricle insertion portion 3 into the external auditory canal, so they inevitably feel pressured when worn. Furthermore, depending on the extent to which the ear is pushed into the ear canal, pain or discomfort may be felt strongly in the ear canal or the like. Furthermore, deterioration in playback quality is also unavoidable.
このようなイヤホンが有している問題点の解消
を図るため、第３図に示すようにスピーカ６の一
側面に圧着パツド７を設けるとともに耳掛け用の
弾性を有する湾曲した弦８を設けたものが提案さ
れている。この耳掛け式のイヤホンは、圧着パツ
ドを耳介の外側に圧着させ、弦８を上記耳介の外
周に引掛けて使用される。 In order to solve the problems that such earphones have, as shown in Fig. 3, a crimp pad 7 is provided on one side of the speaker 6, and a curved string 8 with elasticity for hanging over the ear is provided. something is proposed. This over-the-ear type earphone is used by crimping the crimp pad to the outside of the auricle and hooking the string 8 around the outer periphery of the auricle.
しかし、上記耳掛け式のものにあつては、前述
したような耳介挿入部を外耳道まで挿入して装着
するものが有している問題点の解消を図ることは
できるが、装着した状態が不安定であり、良好な
装着状態が得られないばかりか、耳介に対する装
着位置によつては再生音質の劣化を生じさせてし
まう。
However, in the case of the above-mentioned ear-hook type, although it is possible to solve the problem of the above-mentioned one that is worn by inserting the pinna insertion part into the external auditory canal, Not only is it unstable and a good wearing condition cannot be obtained, but depending on the mounting position with respect to the auricle, the quality of reproduced sound may deteriorate.
また、弾性を有するヘツドバンドの両端に一対
のスピーカを取付け、上記ヘツドバンドの弾性力
を利用して上記スピーカを耳介に圧着して使用す
るヘツドホンが広く用いられているが、このヘツ
ドホンにあつては、ヘツドバンドの弾性力による
頭部の圧迫感を生じ、装着時の不快感を避けるこ
とができない。 In addition, a headphone is widely used in which a pair of speakers are attached to both ends of an elastic headband, and the speakers are pressed to the pinna of the ear using the elastic force of the headband. The elastic force of the headband creates a feeling of pressure on the head, making it unavoidable to feel uncomfortable when wearing the headband.
そこで、本発明は、上述したような従来のイヤ
ホンやヘツドホンが有している問題点を悉く解決
し得る新規な耳介装着型の電気音響変換器を提供
しようとするものである。そして、本発明は、装
着時の不快感の発生を防止し、安定した装着状態
が得られ、再生音質等の音響特性の劣化を防止し
得るようにした電気音響変換器を提供しようとす
るものである。 SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a new auricle-mounted electroacoustic transducer that can solve all the problems of conventional earphones and headphones as described above. Further, the present invention aims to provide an electroacoustic transducer that prevents discomfort when worn, provides a stable wearing condition, and prevents deterioration of acoustic characteristics such as reproduced sound quality. It is.
本発明は、上述したような目的を達成するた
め、電気音響変換素子を内蔵し、上記電気音響変
換素子前方の放音面側を均一な湾曲面となすとと
もに耳介の耳珠と対珠との間にある耳甲介腔の凹
部に収納し得る形状に形成され、上記耳甲介腔の
凹部に収納したときに上記耳珠と対珠により支持
されるようになされた外筐と、上記耳甲介腔の凹
部に収納したとき、上記耳介の下方側に向かつて
延在可能に上記外筐に延設されてなる上記電気音
響変換素子の外部接続用コードのコード導出部と
を備えて構成してなるものである。
In order to achieve the above-mentioned objects, the present invention incorporates an electroacoustic transducer, and forms a sound emitting surface in front of the electroacoustic transducer into a uniformly curved surface, and also forms a curved surface between the tragus and antitragus of the auricle. an outer casing formed in a shape that can be accommodated in a recess in the concha cavity between the two, and supported by the tragus and the anti-tragus when the outer casing is accommodated in the concave cavity; and a cord lead-out portion for an external connection cord of the electroacoustic transducer, which is extended to the outer casing so that it can extend toward the lower side of the auricle when stored in the recess of the concha cavity. It is composed of
本発明に係る電気音響変換器は、外筐１６を耳
甲介腔ｂ内に嵌合する如くなすことにより、第６
図及び第７図に示すように、耳珠ｃの先端Ａと対
珠ｄの先端によつて支持される外筐１６の傾斜部
１９の２点と耳垂ｈの外表面の少なくとも１点Ｃ
に当接するコード導出部１８の延設部１８ｂの内
側面の１点の３点により耳介ａの一部を挾持する
如く支持して耳甲介腔ｂ内に収納装着される。
In the electroacoustic transducer according to the present invention, the outer housing 16 is configured to fit into the concha cavity b.
As shown in FIG. 7, two points on the inclined part 19 of the outer casing 16 supported by the tip A of the tragus c and the tip of the antitragus d, and at least one point C on the outer surface of the earlobe h.
A part of the auricle a is supported so as to be held between three points on the inner surface of the extension part 18b of the cord lead-out part 18, which abuts on the cord lead-out part 18, and is housed and installed in the concha cavity b.
以下、本発明の具体的な実施例を図面を参照し
ながら説明する。
Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.
本発明に係る電気音響変換器は、第４図及び第
５図に示すように、振動板、磁気回路部等からな
る電気音響変換素子１５を内蔵した外筐１６と、
この外筐１６に延設され上記電気音響変換素子１
５からの外部接続用コード１７を上記外筐１６外
方に導出するコード導出部１８とを有している。 As shown in FIGS. 4 and 5, the electroacoustic transducer according to the present invention includes an outer casing 16 containing an electroacoustic transducer element 15 consisting of a diaphragm, a magnetic circuit section, etc.;
The electroacoustic transducer 1 is extended to this outer casing 16.
5 and a cord lead-out portion 18 for leading out the external connection cord 17 from the outer casing 16.
そして、上記外筐１６は、耳介ａの凹部である
耳甲介腔ｂの凹部に収納し得る大きさに形成さ
れ、上記耳甲介腔ｂの凹部に収納したときに外周
面の少なくとも２点が耳介ａの一部である耳珠ｃ
と対珠ｄにより支持され得る外形形状をもつて形
成されている。 The outer casing 16 is formed in a size that can be accommodated in a concave portion of the concha cavity b, which is a concave portion of the auricle a. Tragus c where the point is part of the pinna a
It is formed with an external shape that can be supported by the beads d.
ところで、外筐１６が収納される人の耳介ａの
耳甲介腔ｂの各部における大きさを、第８図を参
照して示すと、上記耳甲介腔ｂの凹部の径r1は略
10mm〜20mm程の範囲にあり、耳甲介腔ｂ側へ相対
向するように突出する耳珠ｃの先端Ａ点から対珠
ｄの先端Ｂ点までの距離l1は４mm〜12mm程の範囲
にあり、耳珠ｃの先端付近における耳甲介腔ｂの
深さは７mm〜14mm程の範囲にある。また、耳甲介
腔ｂの底部から耳珠ｃ及び対珠ｄに亘る部分は彎
曲した立上り面ｆとなつている。 By the way, when the size of each part of the concha cavity b of the auricle a of the person in which the outer casing 16 is stored is shown with reference to FIG. 8, the diameter r 1 of the concave part of the concha cavity b is as follows. omitted
The distance l 1 from point A at the tip of tragus c to point B at the tip of tragus d, which protrudes oppositely toward the concha cavity B, is in the range of about 10 mm to 20 mm, and is in the range of about 4 mm to 12 mm. The depth of the concha cavity b near the tip of the tragus c ranges from 7 mm to 14 mm. Further, a portion extending from the bottom of the concha cavity b to the tragus c and antitragus d forms a curved rising surface f.
そこで、上述のような大きさ及び形状を有する
耳甲介腔ｂの凹部に収納される外筐１６は、第５
図に示すように、直径R1を略14mm〜18mmの範囲
となし、幅W1を略5.5mm〜7.5mmの範囲となして形
成される。そして、上記外筐１６の前面側である
電気音響変換素子前方の放音面側には、円形であ
つて中央部分を膨出するように均一な湾曲面とな
したキヤツプ１６ａが配設されている。 Therefore, the outer casing 16 that is housed in the concave portion of the concha cavity b having the size and shape described above is
As shown in the figure, the diameter R1 is in the range of about 14 mm to 18 mm, and the width W1 is in the range of about 5.5 mm to 7.5 mm. A cap 16a is disposed on the front side of the outer casing 16, which is the sound emitting surface in front of the electroacoustic transducer, and is circular and has a uniformly curved surface with a bulging central portion. There is.
さらに、上記外筐１６の電気音響変換素子１５
を構成する振動板の背面側である耳甲介腔ｂに収
納したとき耳介ａの外方に臨む背面周部は、先細
り状の傾斜部１９として形成される。この傾斜部
１９の傾斜角Θは、耳甲介腔ｂの彎曲した立上り
面ｆに略対応する角度となされ、例えば背面側端
面２０に対し略35度程の傾斜角をもつて形成され
ている。すなわち、上記外筐１６は、第４図及び
第５図に示すように、全体をもつて略円錐台形状
に形成されてなる。 Further, the electroacoustic transducer 15 of the outer casing 16
The back side of the diaphragm constituting the diaphragm, which faces the outside of the auricle a when housed in the concha cavity b, is formed as a tapered inclined part 19. The inclination angle Θ of this inclination part 19 is made to be an angle that approximately corresponds to the curved rising surface f of the concha cavity b, and is formed at an inclination angle of approximately 35 degrees with respect to the rear end surface 20, for example. . That is, as shown in FIGS. 4 and 5, the outer casing 16 is formed into a generally truncated conical shape as a whole.
また、外筐１６から延設されるコード導出部１
８は、上記外筐１６の背面側端面２０の下端側か
ら下方へ上記背面側端面２０と略平行となるよう
に延設され、外筐１６を耳甲介腔ｂの凹部に嵌合
する如く収納したとき、上記外筐１６を支持する
支持点となる耳珠ｃ及び対珠ｄの各先端Ａ及びＢ
点より下方側位置における耳介ａの外表面におけ
る１点Ｃと必要に応じ当接し得るように設けられ
ている。すなわち、コード導出部１８は、斜め下
方に突出するように傾斜して設けられた基部１８
ａを介して外筐１６に取付けている。そして、外
部接続コード１７を下方へ垂下するように延設ガ
イドする略円筒状に形成された延設部１８ｂの内
側面１８ｃが外筐１６の背面側端面２０と略面一
となるようにして上記外筐１６から延設されてい
る。そして、外筐１６を耳甲介腔ｂの凹部に収納
したとき、コード導出部１８は、第６図及び第７
図に示すように、耳珠ｃと対珠ｄ間の珠間切痕ｉ
に臨まされ耳介ａ下方に延設され、延設部１８ｂ
の内側面１８ｃが耳垂ｈの外表面の少なくとも１
点Ｃに必要に応じて当接する。 In addition, the cord lead-out section 1 extending from the outer casing 16
8 extends downward from the lower end side of the rear end surface 20 of the outer casing 16 so as to be substantially parallel to the rear end surface 20, so as to fit the outer casing 16 into the recess of the concha cavity b. Tips A and B of the tragus c and tragus d, which serve as support points for supporting the outer casing 16 when stored.
It is provided so that it can come into contact with a point C on the outer surface of the auricle a at a position below the point, if necessary. That is, the cord lead-out portion 18 has a base portion 18 that is inclined and provided so as to protrude diagonally downward.
It is attached to the outer casing 16 via a. Then, the inner surface 18c of the substantially cylindrical extending portion 18b that extends and guides the external connection cord 17 so as to hang downward is substantially flush with the rear end surface 20 of the outer casing 16. It extends from the outer casing 16. When the outer casing 16 is housed in the concave portion of the concha cavity b, the cord lead-out portion 18 is
As shown in the figure, the intertragal notch i between the tragus c and the antitragus d
The extended portion 18b extends below the auricle a.
The inner surface 18c of at least one of the outer surfaces of the ear lobe h
Contact point C as necessary.
なお、上記外筐１６の前面側は略均一な湾曲面
となされているので、外耳道に挿入されることな
く耳甲介腔ｂの凹部内においてのみ収納される。 Note that since the front side of the outer casing 16 has a substantially uniformly curved surface, it is accommodated only in the concave portion of the concha cavity b without being inserted into the external auditory canal.
上述のように構成されてなる本発明に係る電気
音響変換器は、第６図及び第７図に示すように、
耳珠ｃの先端Ａと対珠ｄの先端によつて支持され
る外筐１６の傾斜部１９の２点と耳垂ｈの外表面
の少なくとも１点Ｃに当接するコード導出部１８
の延設部１８ｂの内側面の１点の３点により耳介
ａの一部を挾持する如く支持して耳甲介腔ｂ内に
収納装着される。特に、コード導出部１８の延設
部１８ｂの耳垂ｈに対する当接点は、外筐１６を
支持する支持点より下方位置にあるため、上記外
筐１６が支持点である耳珠ｃの先端Ａ及び対珠ｄ
の先端Ｂの２点を中心にして耳甲介腔ｂ内から抜
け落ちる方向である第７図中矢印Ｘ方向への回動
を阻止するように作用する。 The electroacoustic transducer according to the present invention configured as described above, as shown in FIGS. 6 and 7,
A cord lead-out portion 18 contacts two points on the inclined portion 19 of the outer casing 16 supported by the tip A of the tragus c and the tip of the antitragus d, and at least one point C on the outer surface of the earlobe h.
A part of the auricle a is supported by three points, one on the inner surface of the extending portion 18b, and is housed and installed in the concha cavity b. In particular, since the point of contact of the extension part 18b of the cord lead-out part 18 with the earlobe h is located below the support point that supports the outer casing 16, the tip A of the tragus c whose support point is the outer casing 16, anti-dama d
This acts to prevent rotation in the direction of arrow X in FIG. 7, which is the direction in which the tip falls out of the concha cavity b, about two points at the tip B of the concha.
このように３点支持可能な構造によつて耳甲介
腔ｂに収納装着される本発明に係る電気音響変換
器は、耳孔を圧迫することなく安定且つ確実に耳
介ａの一部に装着保持することができる。 The electroacoustic transducer according to the present invention, which is housed and mounted in the concha cavity b with a structure that can be supported at three points, can be stably and reliably attached to a part of the auricle a without putting pressure on the ear canal. can be retained.
なお、上述の実施例では、コード導出部１８を
外筐１６の下端側から延設しているが、耳介ａの
外表面の少なくとも１点と当接可能な当接点が外
筐１６を支持する２点より下方に位置し得るよう
に構成したものであれば、上記コード導出部１８
の外筐１６に対する取付け部は上記外筐１６の下
端側に位置しなくともよい。また、外筐１６は、
円形に形成されているが、耳甲介腔ｂの凹部に対
応させて楕円等の形状に適宜変更したものであつ
てもよい。 In the above-described embodiment, the cord lead-out portion 18 extends from the lower end side of the outer casing 16, but the contact point that can come into contact with at least one point on the outer surface of the auricle a supports the outer casing 16. If the code is configured so that it can be located below the two points, the code deriving unit 18
The attachment portion to the outer casing 16 need not be located on the lower end side of the outer casing 16. In addition, the outer casing 16 is
Although it is formed in a circular shape, the shape may be changed to an ellipse or the like as appropriate to correspond to the concave portion of the concha cavity b.
さらに、上述の実施例では、音響再生音の聴取
を目的とするイヤホンタイプの電気音響変換器を
挙げて説明したが、耳介装着型のマイクロホンに
ついても同様に適用できる。 Further, in the above embodiment, an earphone-type electroacoustic transducer for the purpose of listening to reproduced sound has been described, but the present invention can be similarly applied to an auricle-mounted microphone.
上述したように、本発明によれば、従来のイヤ
ホンの如く外耳道に圧入することなく装着するこ
とができるので、装着時に痛みや違和感を感ずる
こともなく、さらに頭部装着型のヘツドホンの如
く頭部への圧着よる不快感を感ずることなく装着
できる。
As described above, according to the present invention, the earphones can be worn without being press-fitted into the ear canal like conventional earphones, so there is no pain or discomfort when wearing them, and the earphones can also be worn on the head like head-mounted headphones. It can be worn without feeling any discomfort due to being crimped on the body.
また、本発明に係る電気音響変換器は、耳孔を
密閉することもないので、再生音の音質を劣化さ
せることなく極めて良好な音響特性をもつて楽音
の聴取が可能となる。 Further, since the electroacoustic transducer according to the present invention does not seal the ear canal, it is possible to listen to musical tones with extremely good acoustic characteristics without deteriorating the quality of the reproduced sound.
第１図は従来例を示す斜視図であり、第２図は
他の従来例を示す斜視図であり、第３図はさらに
他の従来例を示す斜視図である。第４図は本発明
に係る耳介装着型のイヤホンとして構成された電
気音響変換器の斜視図であり、第５図はその側面
図であり、第６図は耳介への装着状態を示す背面
図であり、第７図はその一部断面側面図である。
第８図は本発明の説明に供する耳介の正面図であ
る。
１５…電気音響変換素子、１６…外筐、１７…
外部接続コード、１８…コード導出部、ａ…耳
介、ｂ…耳甲介腔、ｃ…耳珠、ｄ…対珠、ｈ…耳
垂、ｉ…珠間切痕。
FIG. 1 is a perspective view of a conventional example, FIG. 2 is a perspective view of another conventional example, and FIG. 3 is a perspective view of still another conventional example. FIG. 4 is a perspective view of an electroacoustic transducer configured as an auricle-mounted earphone according to the present invention, FIG. 5 is a side view thereof, and FIG. 6 shows a state in which it is attached to the auricle. It is a rear view, and FIG. 7 is a partially sectional side view thereof.
FIG. 8 is a front view of the auricle for explaining the present invention. 15... Electroacoustic conversion element, 16... Outer casing, 17...
External connection cord, 18... Cord lead-out portion, a... Auricle, b... Concha cavity, c... Tragus, d... Antitragus, h... Ear lobe, i... Intertragal notch.
Claims (1)
換素子前方の放音面側を均一な湾曲面となすとと
もに耳介の耳珠と対珠との間にある耳甲介腔の凹
部に収納し得る形状に形成され、上記耳甲介腔の
凹部に収納したときに上記耳珠と対珠により支持
されるようになされた外筐と、 上記耳甲介腔の凹部に収納したとき、上記耳介
の下方側に向かつて延在可能に上記外筐に延設さ
れてなる上記電気音響変換素子の外部接続用コー
ドのコード導出部とを有する電気音響変換器。 ２ 上記コード導出部は、上記外筐を耳甲介腔の
凹部に収納したとき上記外筐の各支持点より下方
側位置における上記耳介の珠間切痕の近傍に位置
するように上記外筐から延設されてなる特許請求
の範囲第１項記載の電気音響変換器。 ３ 上記コード導出部は、耳介の外表面に当接す
るようになされた特許請求の範囲第１項記載の電
気音響変換器。 ４ 上記外筐は、略円錐台形状となされた特許請
求の範囲第１項記載の電気音響変換器。[Scope of Claims] 1. An electroacoustic transducer is built in, and the sound emitting surface side in front of the electroacoustic transducer has a uniformly curved surface, and the concha is located between the tragus and the antitragus of the auricle. an outer casing formed in a shape that can be accommodated in the recess of the concha cavity, and supported by the tragus and antitragus when stored in the concave cavity; an electroacoustic transducer comprising: a cord lead-out portion for an external connection cord of the electroacoustic transducer element, which is extended to the outer casing so as to be extendable toward the lower side of the auricle when stored; 2. The cord lead-out portion is arranged in the outer casing so that it is located near the intertragal notch of the auricle at a position below each support point of the outer casing when the outer casing is housed in the recess of the concha cavity. The electro-acoustic transducer according to claim 1, which is extended from. 3. The electroacoustic transducer according to claim 1, wherein the cord lead-out portion is configured to come into contact with the outer surface of the auricle. 4. The electroacoustic transducer according to claim 1, wherein the outer casing has a substantially truncated conical shape.
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15220680A JPS5776993A (en) | 1980-10-31 | 1980-10-31 | Electroacoustic transducer |
| CA000388704A CA1165248A (en) | 1980-10-31 | 1981-10-26 | Electro-acoustic transducer |
| US06/765,181 US4736435A (en) | 1980-10-31 | 1981-10-27 | Ear piece transducer |
| DE8484113587T DE3176170D1 (en) | 1980-10-31 | 1981-10-27 | Electro-acoustic transducers |
| EP84113587A EP0143383B1 (en) | 1980-10-31 | 1981-10-27 | Electro-acoustic transducers |
| AU78013/81A AU549182B2 (en) | 1980-10-31 | 1981-10-27 | Electroacoustic converter |
| DE8181902954T DE3174986D1 (en) | 1980-10-31 | 1981-10-27 | Electro-acoustic transducers |
| PCT/JP1981/000299 WO1982001636A1 (en) | 1980-10-31 | 1981-10-27 | Electroacoustic converter |
| EP81902954A EP0064553B1 (en) | 1980-10-31 | 1981-10-27 | Electro-acoustic transducers |
| KR1019810004146A KR860001263B1 (en) | 1980-10-31 | 1981-10-29 | Electro-acoustic transducers |
| IT24818/81A IT1139675B (en) | 1980-10-31 | 1981-11-02 | ELECTROCUSTIC TRANSDUCER |
| SG64388A SG64388G (en) | 1980-10-31 | 1988-09-29 | Electro-acoustic transducers |
| HK2889A HK2889A (en) | 1980-10-31 | 1989-01-12 | Electro-acoustic transducers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15220680A JPS5776993A (en) | 1980-10-31 | 1980-10-31 | Electroacoustic transducer |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15969289A Division JPH0248899A (en) | 1989-06-23 | 1989-06-23 | Electroacoustic transducer |
| JP15969389A Division JPH0242895A (en) | 1989-06-23 | 1989-06-23 | Electric acoustic converter |
| JP2238933A Division JPH0681351B2 (en) | 1990-09-11 | 1990-09-11 | Electro-acoustic transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5776993A JPS5776993A (en) | 1982-05-14 |
| JPS6342999B2 true JPS6342999B2 (en) | 1988-08-26 |
Family
ID=15535378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15220680A Granted JPS5776993A (en) | 1980-10-31 | 1980-10-31 | Electroacoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5776993A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59134988U (en) * | 1983-02-28 | 1984-09-08 | シャープ株式会社 | headphone |
| JPH0659120B2 (en) * | 1983-05-31 | 1994-08-03 | ソニー株式会社 | Headphone |
| JPH0731666Y2 (en) * | 1985-01-24 | 1995-07-19 | パイオニア株式会社 | Microphone device |
| JP2571128B2 (en) * | 1989-06-16 | 1997-01-16 | フオスター電機株式会社 | headphone |
| US5298692A (en) * | 1990-11-09 | 1994-03-29 | Kabushiki Kaisha Pilot | Earpiece for insertion in an ear canal, and an earphone, microphone, and earphone/microphone combination comprising the same |
| NO312989B3 (en) * | 2000-11-01 | 2007-07-04 | Metafax As | Device for wireless transmission between a microphone / earphone and a mobile phone, telephone, switchboard or the like |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2391924A (en) * | 1941-07-16 | 1946-01-01 | Brush Dev Co | Phone and method of making same |
| US2930858A (en) * | 1954-07-15 | 1960-03-29 | Eleanor Humphries | Binaural hearing-aid device |
| US2964596A (en) * | 1956-08-01 | 1960-12-13 | Zenith Radio Corp | Sound-reproducing device |
| JPS5410260U (en) * | 1977-06-24 | 1979-01-23 | ||
| JPS5912236A (en) * | 1982-07-14 | 1984-01-21 | Hitachi Ltd | Changeover circuit for operation of air conditioner with electric heater |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS467561Y1 (en) * | 1967-12-30 | 1971-03-17 | ||
| JPS5819899Y2 (en) * | 1979-02-21 | 1983-04-23 | アシダ音響株式会社 | earphone handset |
-
1980
- 1980-10-31 JP JP15220680A patent/JPS5776993A/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2391924A (en) * | 1941-07-16 | 1946-01-01 | Brush Dev Co | Phone and method of making same |
| US2930858A (en) * | 1954-07-15 | 1960-03-29 | Eleanor Humphries | Binaural hearing-aid device |
| US2964596A (en) * | 1956-08-01 | 1960-12-13 | Zenith Radio Corp | Sound-reproducing device |
| JPS5410260U (en) * | 1977-06-24 | 1979-01-23 | ||
| JPS5912236A (en) * | 1982-07-14 | 1984-01-21 | Hitachi Ltd | Changeover circuit for operation of air conditioner with electric heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5776993A (en) | 1982-05-14 |
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