JPH0223726A - Ear hanging type transmitter-receiver - Google Patents
Ear hanging type transmitter-receiverInfo
- Publication number
- JPH0223726A JPH0223726A JP63174374A JP17437488A JPH0223726A JP H0223726 A JPH0223726 A JP H0223726A JP 63174374 A JP63174374 A JP 63174374A JP 17437488 A JP17437488 A JP 17437488A JP H0223726 A JPH0223726 A JP H0223726A
- Authority
- JP
- Japan
- Prior art keywords
- ear
- microphone
- head
- receiver
- speaker
- 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.)
- Granted
Links
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000005236 sound signal Effects 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 34
- 210000003128 head Anatomy 0.000 description 31
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 210000000613 ear canal Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000011162 core material Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000004003 subcutaneous fat Anatomy 0.000 description 1
- 210000001260 vocal cord Anatomy 0.000 description 1
Landscapes
- Transceivers (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は耳掛式送受信装置に係り、詳しくは、例えば
水上スキー等に使用する耳掛式送受信装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an ear-hook type transmitting/receiving device, and specifically relates to an ear-hung type transmitting/receiving device used for water skiing, for example.
［従来の技術］
従来から、水上スキーでのスキーヤ−とボートの運転者
等との会話や、スキー場でのパトロールスキーヤ−と管
理事務所等との会話、その他ラジオやテレビ中継での呼
出し等に、送受信装置が使用されている。[Prior art] Conversations between skiers on water skis and boat drivers, conversations between patrol skiers and management offices at ski resorts, and other calls via radio or television broadcasts, etc. Transmitting/receiving devices are used in
この種の送受信装置としてヘッドホーンタイプが用いら
れているが、このものは頭にバンドを掛てスピーカ部を
両耳に当てがい、マイクロホンは例えばバンドから伸る
レバー等に取付けられ、顔の前面に導き口部の前方に位
置させるようになっている。A headphone type is used as this type of transmitting/receiving device, but with this type, a band is hung around the head and the speaker parts are placed in both ears.The microphone is attached to a lever extending from the band, for example, and placed in front of the face. It is designed to be located in front of the guide opening.
［発明が解決しようとする課題］
ところで、このようなヘッドホーンタイプの送受信装置
を、前記のように水上スキーヤ−やパトロールスキーヤ
−が使用する場合等には、強い風がマイクロホンに当フ
て、マイクロホンが風切音を拾うため、送受信に支障が
生じることがある。[Problems to be Solved by the Invention] By the way, when such a headphone-type transmitting/receiving device is used by a water skier or a patrol skier as described above, strong winds may hit the microphone. The microphone picks up wind noise, which can interfere with transmission and reception.
この発明はかかる点に鑑みなされたもので、マイクロホ
ンが風切音を拾うことを防止する耳掛式送受信装置を提
供することを目的としている。The present invention has been made in view of the above, and an object of the present invention is to provide an ear-hook type transmitting/receiving device that prevents a microphone from picking up wind noise.
［課題を解決するための手段］
前記課題を解決するために、この発明の耳掛式送受信装
置は、耳に当てがわれるスピーカと、頭部の後半部に当
てがわれるマイクロホンとを有し、このスピーカ及びマ
イクロホンはそれぞれ送受信機に接続されることを特徴
としている。[Means for Solving the Problems] In order to solve the above-mentioned problems, an ear-hook type transmitting/receiving device of the present invention includes a speaker that is placed on the ear, and a microphone that is placed on the rear half of the head. The speaker and microphone are each connected to a transmitter/receiver.
［作用］
この発明では、マイクロホンが頭部すなわち頭と首の後
半部に当てがわれており、水上スキーや雪上スキー等を
行なうとき等に、風を受けても頭部の前側で阻止され、
頭部の後半部に取付けたマイクロホンに風が当たらなく
なるため、マイクロホンは風切音を拾わなくなフて確実
な送受信が可能になる。[Function] In this invention, the microphone is applied to the head, that is, the back half of the head and neck, so that even when the wind is caught during water skiing, snow skiing, etc., it is blocked by the front side of the head.
Since the microphone attached to the back half of the head is not exposed to wind, the microphone no longer picks up wind noise, allowing reliable transmission and reception.
［実施例コ
以下、この発明を図示の実施例に基づいて詳細に説明す
る。[Embodiments] The present invention will be described in detail below based on illustrated embodiments.
第１図はこの発明を水上スキーに使用される耳掛式送受
信装置の全体取付状態を示す図、第２図は耳掛式送受信
装置の要部の斜視図、第３図及び第４図は耳掛式送受信
装置の要部の取付状態を示す図である。Fig. 1 is a diagram showing the overall installation state of an ear-hook type transmitter/receiver used for water skiing, Fig. 2 is a perspective view of the main parts of the ear-hook type transmitter/receiver, and Figs. 3 and 4 are FIG. 3 is a diagram illustrating a state in which main parts of the ear-hook transmitting/receiving device are attached.
図中符号１は耳掛部材で、水上スキーヤ−の耳２と頭部
の一部である頭の間の凹部に掛られ、かつ耳２と頭部の
間に緊迫力をもって装着される。Reference numeral 1 in the figure denotes an ear hook member, which is hung in a recess between the water skier's ear 2 and a part of the head, and is attached with tension between the ear 2 and the head.
この耳掛部材１には耳に当てがわれるスピーカ３と、頭
部の後半部に当てるように、主に振動を感知する（空気
を伝わる音も一部振動として感知する）骨伝導マイクロ
ホン４が取付けられ、この実施例では骨伝導マイクロホ
ン４は耳２の下で顎の後側に当てがねれている。This ear hook member 1 includes a speaker 3 that is placed against the ear, and a bone conduction microphone 4 that mainly detects vibrations (also partially senses sound that travels through the air as vibration) and is placed on the back half of the head. In this embodiment, the bone conduction microphone 4 is placed under the ear 2 on the back side of the chin.
この骨伝導マイクロホン４は頭部の後半部に当てるよう
にして取付けられる。すなわち、骨伝導マイクロホン４
は皮膚に密着し、声帯振動の伝導を皮膚で感知するよう
にしており、風が当りにくくなってはいるが、この上さ
らに以下の効果がある。水上スキー等で使用する場合、
風を受けても頭部の前側から受けるため前半部で阻止さ
れる。This bone conduction microphone 4 is attached so as to hit the rear half of the head. That is, the bone conduction microphone 4
The device is in close contact with the skin, allowing the skin to sense the conduction of vocal cord vibrations, making it difficult for the wind to hit the device, but it also has the following effects: When used for water skiing etc.
Even if the wind catches, it is blocked by the front half of the head as it is received from the front side of the head.
このため、骨伝導マイクロホン４に風が当たることがな
く、骨伝導マイクロホン４が風切音を拾うことが軽減さ
れるようになっている。Therefore, wind does not hit the bone conduction microphone 4, and the bone conduction microphone 4 is less likely to pick up wind noise.
スピーカ３及び骨伝導マイクロホン４はそれぞれリード
線５，６を介して送受信機７に接続され、このリード線
５．６はアンテナも兼ねており、特別にアンテナを設け
ないで送受信できるようにしている。送受信機７はファ
スナー８でライフジャケット９に取付けられ、送受信機
７が確実に取付けると共に、容易に脱着できるようにし
ている。なお、送受信機７にリード線５．６とは別体の
アンテナをつけてもよい。送受信機７をホルダーにより
上腕部に取付けてもよい。The speaker 3 and the bone conduction microphone 4 are connected to a transmitter/receiver 7 via lead wires 5 and 6, respectively, and the lead wires 5 and 6 also serve as antennas, allowing transmission and reception without a special antenna. . The transmitter/receiver 7 is attached to the life jacket 9 with a fastener 8, so that the transmitter/receiver 7 can be securely attached and easily detached. Note that an antenna separate from the lead wire 5.6 may be attached to the transceiver 7. The transmitter/receiver 7 may be attached to the upper arm using a holder.
そして、スピーカ３、骨伝導マイクロホン４及び送受信
機７はそれぞれ公知のものを防水したものが用いられ、
骨伝導マイクロホン４は耳の下で顎の後側に当てがわれ
、音声信号をピックアップして送信する。The speaker 3, the bone conduction microphone 4, and the transmitter/receiver 7 are each made of known waterproof materials.
The bone conduction microphone 4 is placed under the ear and behind the jaw, and picks up and transmits audio signals.
前記耳掛部材１は第２図に示すように、スピーカ３が取
付けられるスピーカ支持部１０と、骨伝導マイクロホン
４が取付けられるマイクロホン支持部１１と、耳の裏側
に当てがわれる耳掛部１２とを有している。このマイク
ロホン支持部１１と耳掛部１２とは適度な合成と弾力性
とを有する芯材に合成樹脂を被覆したもので形成されて
いる。As shown in FIG. 2, the ear hook member 1 includes a speaker support portion 10 to which the speaker 3 is attached, a microphone support portion 11 to which the bone conduction microphone 4 is attached, and an ear hook portion 12 to be placed on the back side of the ear. have. The microphone support part 11 and the ear hook part 12 are made of a core material having appropriate composition and elasticity and coated with a synthetic resin.
また、両者は連結部材１３でスピーカ支持部１０と連結
されており、ここから二叉に分岐されている。さらに、
このマイクロホン支持部１１と耳掛部１２とは、それぞ
れ広がる方向へ付勢力が与えられている。Moreover, both are connected to the speaker support part 10 by a connecting member 13, and are branched into two from there. moreover,
A biasing force is applied to each of the microphone support portion 11 and the ear hook portion 12 in a direction in which they expand.
また、スピーカ３及び骨伝導マイクロホン４に接続され
るリード線５．６は、それぞれスピーカ支持部１０とマ
イクロホン支持部１１とのガイド溝に沿って収納され、
リード線５．６が邪魔にならないようになっている。Further, the lead wires 5 and 6 connected to the speaker 3 and the bone conduction microphone 4 are housed along the guide grooves of the speaker support part 10 and the microphone support part 11, respectively.
The lead wires 5 and 6 are out of the way.
耳掛部材１は第３図及び第４図に示すように耳２と頭部
との間の凹部に取付けられ、耳掛部材１を耳に装着する
と、スピーカ支持部１０に取付けられたスピーカ３が耳
に当てがわれる。一方、マイクロホン支持部１１と耳掛
部１２は耳２の裏側の部分に圧縮した状態で装着され、
この開く方向の付勢力によって、マイクロホン支持部１
１が骨伝導マイクロホン４を耳の下で顎の後側に圧接さ
せ、耳掛部１２が耳２の裏側へ圧接し、適切な力で耳２
を挟むようにして確実に装着される。As shown in FIGS. 3 and 4, the ear hook member 1 is attached to the recess between the ear 2 and the head, and when the ear hook member 1 is worn on the ear, the speaker 3 attached to the speaker support portion 10 is applied to the ear. On the other hand, the microphone support part 11 and the ear hook part 12 are attached to the back side of the ear 2 in a compressed state,
Due to this biasing force in the opening direction, the microphone support part 1
1 presses the bone conduction microphone 4 under the ear to the back side of the chin, and the ear hook part 12 presses against the back side of the ear 2, and applies appropriate force to the ear 2.
It is securely attached by pinching it.
この装着状態で骨伝導マイクロホン４は頭部の後半部で
、顔の耳２の後の付は根から下方の首方向にかけた耳の
下で顎の後側に適切な力で圧接され、顔の前面方向へ突
出しない位置にあり、骨伝導マイクロホン４が風切音を
拾わない位置にあり、しかも落水しても邪魔にならない
ようになっている。In this wearing state, the bone conduction microphone 4 is placed on the back half of the head, and the rear part of the ear 2 on the face is pressed against the back side of the chin under the ear extending downward from the root toward the neck, The bone conduction microphone 4 is located at a position that does not protrude toward the front of the microphone, and is located at a position where the bone conduction microphone 4 does not pick up wind noise, and also does not become a hindrance even if the microphone falls into water.
第５図は耳掛部材の他の実施例を示している。FIG. 5 shows another embodiment of the ear hook member.
この耳掛部材１のマイクロホン支持部１１には押え部１
４が形成され、この押え部１４にはスポンジ等の弾性体
１５を介して骨伝導マイクロホン４が取付けられている
。The microphone support part 11 of this ear hook member 1 has a presser part 1.
4 is formed, and a bone conduction microphone 4 is attached to this holding portion 14 via an elastic body 15 such as a sponge.
このように耳掛部材１により骨伝導マイクロホン４が頭
部の後半部で、耳の下で顎の後側に圧接して取付けられ
るが、この耳の下で顎の後側の取付面の形状か人によっ
てそれぞれ微妙に異なるが、この弾性体１４で調整して
骨伝導マイクロホン４を適切にフィツトさせることがで
きる。In this way, the ear hook member 1 allows the bone conduction microphone 4 to be attached to the rear part of the head, under the ear, and in pressure contact with the back side of the chin. Although the fit differs slightly depending on the person, the elastic body 14 can be adjusted to fit the bone conduction microphone 4 appropriately.
第６図及び第７図はさらに他の実施例を示し、耳の後側
に骨伝導マイクロホン２２を配置するだけでなく、カバ
ーで風切音を拾うことを防止するようにしたものである
。カバー２０は例えば合成樹脂て環状に形成され、頭に
かふるようになっている。このカバー２０の内側にはス
ピーカ２１と骨伝導マイクロホン２２が取り付けられて
おり、このスピーカ２１及び骨伝導マイクロホン２２は
リード線２３．２４で送受信機に接続される。FIGS. 6 and 7 show still another embodiment, in which not only a bone conduction microphone 22 is placed behind the ear, but also a cover is provided to prevent wind noise from being picked up. The cover 20 is made of, for example, synthetic resin and is formed into an annular shape, and is adapted to be worn over the head. A speaker 21 and a bone conduction microphone 22 are attached to the inside of this cover 20, and the speaker 21 and bone conduction microphone 22 are connected to a transceiver by lead wires 23 and 24.
カバー２０を頭にかぶると、第７図に示すように、スピ
ーカ２１が耳２に当てがわれ、骨伝導マイクロホン２２
が頭部の後半部に当てるようになり、この状態で骨伝導
マイクロホン２２はカバー２０で覆われ、風を受けても
骨伝導マイクロホン２２に当たることがなく、風切音を
拾うことが防止される。When the cover 20 is put on the head, the speaker 21 is placed on the ear 2 and the bone conduction microphone 22 is placed on the ear 2, as shown in FIG.
The bone conduction microphone 22 is now placed in contact with the rear half of the head, and in this state, the bone conduction microphone 22 is covered with the cover 20, so that even if it is exposed to wind, it does not hit the bone conduction microphone 22, and wind noise is prevented from being picked up. .
第８図乃至第１２図はさら他の実施例を示し、第８図は
耳掛式送受信装置の正面図、第９図は耳掛式送受信装置
を取付は状態を示す図、第１０図は第９図のＡ矢視図、
第１１図は第９図のＢ矢視図、第１２図は耳掛式送受信
装置の配置位置を示す図である。8 to 12 show still other embodiments, FIG. 8 is a front view of the ear-hook type transmitter/receiver, FIG. 9 is a view showing the ear-hook type transmitter/receiver in an installed state, and FIG. 10 is a front view of the ear-hook type transmitter/receiver. View from arrow A in Figure 9,
FIG. 11 is a view taken in the direction of arrow B in FIG. 9, and FIG. 12 is a diagram showing the arrangement position of the ear-hook type transmitting/receiving device.
耳掛部材３０は第８図に示すように、合成樹脂で一体に
形成され、スピーカ３１が取付けられるスピーカ支持部
３２と、骨伝導マイクロホン３３のリート線３４が取付
けられるマイクロホン支持部３５と、耳の前側の頭部に
圧接する支持部３６と、裏側に当てがわれる耳掛部３７
とを有している。As shown in FIG. 8, the ear hook member 30 is integrally formed of synthetic resin, and includes a speaker support portion 32 to which the speaker 31 is attached, a microphone support portion 35 to which the Leet wire 34 of the bone conduction microphone 33 is attached, and an ear hook member 30. A support part 36 that presses against the head on the front side of the head, and an ear hook part 37 that is applied to the back side of the head.
It has
この耳掛部材３０は第９図乃至第１１図に示すように取
付けられ、骨伝導マイクロホン３３は首バンド３８によ
って首部に当てられている。この骨伝導マイクロホン３
３はリード線３４によって任意の位置に取付けられるよ
うになっているが、この骨伝導マイクロホン３３の取付
位置は第９図及び第１２図に示すように、頭部のそれぞ
れの一部である頭及び首部稜線３９で示す位置より後方
の頭部の後半部（より詳しくは頭部の一部である首部の
後半部）に当てるように取付けられる。この位置に骨伝
導マイクロホン３３を配置することにより、風は第１２
図に示すように前側から受けるから、頭部の前側で受け
、骨伝導マイクロホン３３に当たることが阻止される。This ear hook member 30 is attached as shown in FIGS. 9 to 11, and the bone conduction microphone 33 is placed against the neck by a neck band 38. This bone conduction microphone 3
The bone conduction microphone 33 can be attached to any position by a lead wire 34, but the bone conduction microphone 33 is attached to each part of the head, as shown in FIGS. 9 and 12. It is attached so as to hit the rear half of the head (more specifically, the rear half of the neck which is a part of the head) behind the position indicated by the neck ridge line 39. By placing the bone conduction microphone 33 in this position, the wind can be
Since it is received from the front side as shown in the figure, it is received from the front side of the head and is prevented from hitting the bone conduction microphone 33.
さらに、骨伝導マイクロホン３３の取付位置はリート線
３４によって頭部の後半部において、任意の位置に圧接
することができ、皮下脂肪の薄い位置を選択することで
音声の入力効率を上げることができる。Furthermore, the bone conduction microphone 33 can be attached to any desired position in the rear part of the head by the Riet wire 34, and voice input efficiency can be increased by selecting a position with thin subcutaneous fat. .
耳掛部材３０の支持部３６は自由状態では二点鎖線で示
す状態にあるが、取付状態では第１０図に示すように屈
曲して頭部に圧接され、これによリスピー力３１が耳２
の外耳管２ａに密着される。さらに、マイクロホン支持
部３５と耳掛部３７とはそれぞれ広がる方向へ付勢力が
与えられており、第１１図に示すように耳２と頭部との
間に装着され、耳掛部材３０を確実に保持するようにし
ている。The support part 36 of the ear hook member 30 is in the state shown by the two-dot chain line in the free state, but in the attached state it is bent and pressed against the head as shown in FIG.
The external ear canal 2a of the ear canal is closely attached. Furthermore, the microphone support part 35 and the ear hook part 37 are each given a biasing force in the direction of spreading, and are mounted between the ear 2 and the head as shown in FIG. I try to keep it that way.
さらに、前記の実施例において、反対側の耳にスピーカ
を当てがうようにすると、ステレオとしても使用するこ
とができる。Furthermore, in the above embodiment, if the speaker is placed on the opposite ear, it can be used as a stereo system.
［発明の効果］
この発明は前記のように、耳に当てがわれるスピーカと
、頭部の後半部に当てがわれるマイクロホンとを有し、
このスピーカ及びマイクロホンはそれぞれ送受信機に接
続され、マイクロホンが頭部の後半部に当てがわれでい
るから、水上スキーヤ−やパトロールスキーヤ−が使用
する場合等に、強い風を受けることがあフても、頭部の
前半部で受けるため、風がマイクロホンに当ることがな
くなり、マイクロホンが風切音を拾うことが防止され、
良好な送受信が可能になる。[Effects of the Invention] As described above, the present invention includes a speaker that is placed on the ear, and a microphone that is placed on the back half of the head.
The speaker and microphone are each connected to a transmitter/receiver, and the microphone is placed at the back of the head, so there is no risk of it being exposed to strong winds when used by water skiers or patrol skiers. Since the wind is also received by the front half of the head, the wind does not hit the microphone, which prevents the microphone from picking up wind noise.
This enables good transmission and reception.
第１図はこの発明を水上スキーに使用される耳掛式送受
信装置の全体取付状態を示す図、第２図は耳掛式送受信
装置の要部の斜視図、第３図及び第４図は耳掛式送受信
装置の要部の取付は状態を示す図、第５図は耳掛部材の
他の実施例を示す斜視図、第６図及び第７図はさらに他
の実施例を示し、第６図は耳掛式送受信装置の斜視図、
第７図はその使用状態を示す図、第８図乃至第１１図は
ざら他の実施例を示し、第８図は耳掛式送受信装置の正
面図、第９図は耳掛式送受信装置を取付は状態を示す図
、第１０図は第９図のＡ矢視図、第１１図は第９図のＢ
矢視図、第１２図は耳掛式送受信装置の配置位置を示す
図である。
図中符号１．３０は耳掛部材、３，２１．３１はスピー
カ、４．２２．３３は骨伝導マイクロホン、５，６，２
３，２４．３４はリード線、７は送受信機である。
第
第１図
第
図
第
図
第
１２図Fig. 1 is a diagram showing the overall installation state of an ear-hook type transmitter/receiver used for water skiing, Fig. 2 is a perspective view of the main parts of the ear-hook type transmitter/receiver, and Figs. 3 and 4 are 5 is a perspective view showing another embodiment of the ear-hook member, FIGS. 6 and 7 show still other embodiments, and FIG. Figure 6 is a perspective view of the ear-hook type transmitting and receiving device.
Fig. 7 is a diagram showing its usage, Figs. 8 to 11 show other embodiments, Fig. 8 is a front view of the ear-hook type transmitting/receiving device, and Fig. 9 is a diagram showing the ear-hung type transmitting/receiving device. The installation is shown in the figure showing the condition, Fig. 10 is a view from arrow A in Fig. 9, and Fig. 11 is a view from B in Fig. 9.
The arrow view and FIG. 12 are diagrams showing the arrangement position of the ear-hook type transmitting/receiving device. In the figure, 1.30 is an ear hook member, 3, 21.31 is a speaker, 4.22.33 is a bone conduction microphone, 5, 6, 2
3, 24, and 34 are lead wires, and 7 is a transmitter/receiver. Figure 1 Figure 1 Figure 12
Claims (1)
れるマイクロホンとを有し、このスピーカ及びマイクロ
ホンはそれぞれ送受信機に接続されることを特徴とする
耳掛式送受信装置。An ear-hook transmitting and receiving device comprising a speaker that is placed against the ear and a microphone that is placed on the back half of the head, and the speaker and the microphone are each connected to a transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63174374A JP2920379B2 (en) | 1988-07-13 | 1988-07-13 | Ear hanging transmission / reception device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63174374A JP2920379B2 (en) | 1988-07-13 | 1988-07-13 | Ear hanging transmission / reception device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0223726A true JPH0223726A (en) | 1990-01-25 |
| JP2920379B2 JP2920379B2 (en) | 1999-07-19 |
Family
ID=15977498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63174374A Expired - Lifetime JP2920379B2 (en) | 1988-07-13 | 1988-07-13 | Ear hanging transmission / reception device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2920379B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496427A (en) * | 1990-08-14 | 1992-03-27 | Ferranti Creditphone Ltd | Portable handset |
| WO2010116510A1 (en) * | 2009-04-09 | 2010-10-14 | 日本エムエムアイテクノロジー株式会社 | Microphone device, and headset device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5097657B2 (en) | 2008-09-17 | 2012-12-12 | アークレイ株式会社 | Analysis method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6068734U (en) * | 1983-10-18 | 1985-05-15 | 株式会社岩田エレクトリツク | handset |
| JPS6397088A (en) * | 1986-10-13 | 1988-04-27 | Meisei Electric Co Ltd | Speaking device |
-
1988
- 1988-07-13 JP JP63174374A patent/JP2920379B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6068734U (en) * | 1983-10-18 | 1985-05-15 | 株式会社岩田エレクトリツク | handset |
| JPS6397088A (en) * | 1986-10-13 | 1988-04-27 | Meisei Electric Co Ltd | Speaking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496427A (en) * | 1990-08-14 | 1992-03-27 | Ferranti Creditphone Ltd | Portable handset |
| WO2010116510A1 (en) * | 2009-04-09 | 2010-10-14 | 日本エムエムアイテクノロジー株式会社 | Microphone device, and headset device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2920379B2 (en) | 1999-07-19 |
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