JP2003111175A - Speech transmission and receiving system - Google Patents
Speech transmission and receiving systemInfo
- Publication number
- JP2003111175A JP2003111175A JP2001338541A JP2001338541A JP2003111175A JP 2003111175 A JP2003111175 A JP 2003111175A JP 2001338541 A JP2001338541 A JP 2001338541A JP 2001338541 A JP2001338541 A JP 2001338541A JP 2003111175 A JP2003111175 A JP 2003111175A
- Authority
- JP
- Japan
- Prior art keywords
- ear
- sound
- user
- receiving
- transmitting
- 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.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、使用者が自身の耳
に掛けて送音および受音を行う送受音装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sound transmitting / receiving device in which a user hangs his / her own ear to send and receive sound.
【０００２】[0002]
【従来の技術】一般的に、使用者が、両手を自由にした
状態（ハンドフリー）で、他者との送受話を行う際に
は、例えば、イヤホーンを耳内に挿入して（あるいは、
スピーカを耳に装着して）受話を行うとともに、外部に
取り付けられたマイクロホーンにより送話を行う方式が
採用されている。2. Description of the Related Art Generally, when a user talks with another person with both hands free (hand-free), for example, an earphone is inserted into the ear (or,
A method in which a speaker is attached to the ear) to receive a voice and a microphone mounted outside is used to transmit a voice is adopted.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
ように、マイクロホーンが外部に取り付けられているた
め、相手側に対して送話音と共に外部のノイズ（雑音）
を送ってしまい、該相手側が送話者（使用者）側の送話
内容を十分に理解することが困難になるという問題が指
摘されている。さらに、マイクロホーンが外部に取り付
けられているため、送話者は、ある程度大きな声で話を
しなければ会話ができないという不具合がある。However, as described above, since the microphone is attached to the outside, the transmission noise and the external noise (noise) are transmitted to the other party.
It has been pointed out that it is difficult for the other party to fully understand the contents of the talk on the side of the talker (user). Further, since the microphone is attached to the outside, there is a problem that the talker cannot talk unless he / she speaks in a loud voice.
【０００４】そこで、使用者の一方の耳にイヤホーンを
挿入するとともに、他方の耳にマイクロホーンを装着し
て送受話を行う方式も考えられている。ところが、使用
者の両耳が塞がってしまうため、周囲の音が捕らえ難い
等の問題がある。Therefore, a method has been considered in which an earphone is inserted into one ear of a user and a microphone is attached to the other ear to perform transmission / reception. However, since both ears of the user are blocked, it is difficult to capture ambient sounds.
【０００５】また、使用者の一方の耳のみを使用して送
受話を行う方式が考えられているが、送受信音が１つの
トランスデューサ（変換器）で処理されるため、受話音
が相手側にそのまま戻ってしまい、相手側に聞こえる音
がハウリングになるという問題がある。Further, a method of transmitting and receiving by using only one ear of the user has been considered, but since the transmitted and received sound is processed by one transducer (converter), the received sound is transmitted to the other party. There is a problem that the sound that the other party hears becomes howling because it returns as it is.
【０００６】本発明はこの種の問題を解決するものであ
り、外部の雑音に影響されることがなく、簡単な処理で
良好な送受音を行うことが可能な送受音装置を提供する
ことを目的とする。The present invention solves this kind of problem, and it is an object of the present invention to provide a sound transmitting / receiving apparatus which is not affected by external noise and can perform good sound transmission / reception with a simple process. To aim.
【０００７】[0007]
【課題を解決するための手段】本発明に係る送受音装置
は、使用者の一方の耳に掛けられて該耳に保持される耳
掛け部材と、前記耳掛け部材の一方の端部側に装着され
るとともに、前記耳内に配置されて前記使用者からの送
音を行う送音機構と、前記耳掛け部材の他方の端部側に
装着されるとともに、前記耳の下部側に配置されて前記
使用者への受音を行う受音機構とを備えている。SUMMARY OF THE INVENTION A sound transmitting / receiving device according to the present invention comprises an ear hook member which is hooked on one ear of a user and held by the ear, and an end hook member on one end side of the ear hook member. A sound transmitting mechanism that is mounted and is arranged in the ear for transmitting sound from the user, and is mounted on the other end side of the ear hook member and is arranged on the lower side of the ear. And a sound receiving mechanism for receiving sound to the user.
【０００８】このように、送音機構（例えば、マイクロ
ホーン）が耳内に配置されているため、外部の雑音によ
る影響を確実に回避することができるとともに、相手側
が送話者（使用者）側の送音（以下、送話ともいう）内
容を十分に理解することが可能になる。しかも、受音機
構が耳の外に配置されるため、受音（以下、受話ともい
う）の処理が容易になり、ハウリング等の問題を有効に
阻止することができる。さらに、使用者の他方の耳が空
いているため、周囲の状況に対しても良好に対応するこ
とが可能になる。As described above, since the sound transmitting mechanism (for example, the microphone) is arranged in the ear, the influence of external noise can be surely avoided, and the other party can be the speaker (user). It becomes possible to fully understand the content of the sound transmitted by the side (hereinafter, also referred to as transmission). Moreover, since the sound receiving mechanism is arranged outside the ears, the process of receiving the sound (hereinafter, also referred to as the reception) becomes easy, and problems such as howling can be effectively prevented. Furthermore, since the other ear of the user is open, it is possible to respond well to the surrounding situation.
【０００９】また、受音機構は、使用者の耳介の背部側
に接触し、前記背部周辺の骨格および／または顎骨に電
気信号を与えることにより、受音処理を確実かつ容易に
遂行することができる。その際、受音機構は、骨伝導イ
ヤホーンまたはスピーカを備えることが可能である。Further, the sound receiving mechanism is brought into contact with the back side of the user's auricle and gives an electric signal to the skeleton and / or the jawbone around the back, so that the sound receiving process can be performed reliably and easily. You can At that time, the sound receiving mechanism can include a bone conduction earphone or a speaker.
【００１０】[0010]
【発明の実施の形態】図１は、本発明の実施形態に係る
送受音装置１０の使用状態を示す斜視説明図であり、図
２は、前記送受音装置１０の側面図である。1 is a perspective explanatory view showing a usage state of a sound transmitting / receiving apparatus 10 according to an embodiment of the present invention, and FIG. 2 is a side view of the sound transmitting / receiving apparatus 10. As shown in FIG.
【００１１】送受音装置１０は、使用者１２の一方の耳
１４に掛けられて該耳１４に保持される耳掛け部材１６
と、前記耳掛け部材１６の一方の端部側に装着されると
ともに、前記耳１４の外耳道１５に配置されて前記使用
者１２からの送話を行う送音機構１８と、前記耳掛け部
材１６の他方の端部側に装着されるとともに、前記耳１
４の下部側に配置されて前記使用者１２への受話を行う
受音機構２０とを備える。The sound transmitting / receiving device 10 is hooked on one ear 14 of the user 12 and is held by the ear 14.
And a sound transmitting mechanism 18 that is mounted on one end side of the ear hook member 16 and that is disposed in the external auditory meatus 15 of the ear 14 to transmit a voice from the user 12, and the ear hook member 16 The ear 1 is attached to the other end side of the
4 and a sound receiving mechanism 20 that is disposed on the lower side of the communication unit 4 and receives a voice from the user 12.
【００１２】耳掛け部材１６は、樹脂系材料、より好ま
しくは、可撓性樹脂系材料で構成されており、種々の形
状の異なる使用者１２の耳１４の形状に対応して変形さ
れ、前記耳１４に確実に装着可能な棒状に設定されてい
る。The ear hook member 16 is made of a resin material, more preferably a flexible resin material, and is deformed in accordance with the shape of the ear 14 of the user 12 having various shapes. It is set in a rod shape that can be surely attached to the ear 14.
【００１３】送音機構１８は、マイクロホーン２２を備
えるとともに、受音機構２０は、スピーカ（または骨伝
導イヤホーン）２４を備える。この受音機構２０は、使
用者１２の耳１４において耳介２６の背部側に接触し、
前記背部周辺の骨格および／または顎骨に電気信号を与
える。The sound transmitting mechanism 18 includes a microphone 22, and the sound receiving mechanism 20 includes a speaker (or bone conduction earphone) 24. The sound receiving mechanism 20 contacts the back side of the auricle 26 in the ear 14 of the user 12,
An electrical signal is applied to the skeleton and / or jawbone around the back.
【００１４】図３に示すように、マイクロホーン２２
は、アンプ３０および送話音用結合コンデンサ３２を介
して装置側接続部３４に接続される一方、スピーカ２４
は、前記装置側接続部３４に直接接続される。As shown in FIG. 3, the microphone 22
Is connected to the device side connection section 34 via the amplifier 30 and the transmission sound coupling capacitor 32, while the speaker 24
Is directly connected to the device-side connection portion 34.
【００１５】図４に示すように、マイクロホーン２２と
アンプ３０との間には、高周波の影響を回避するために
フィルタ３５が介装される。例えば、電話の仕様周波数
が８００Ｍｈｚであれば、８００Ｍｈｚに対するＬの抵
抗値は、ＷＬ＝２πＷＬ（Ω）となり、Ｃの抵抗値は、
ＷＣ＝１／２πＷＣ（Ω）となる。As shown in FIG. 4, a filter 35 is interposed between the microphone 22 and the amplifier 30 to avoid the influence of high frequency. For example, if the specification frequency of the telephone is 800 Mhz, the resistance value of L for 800 Mhz is WL = 2πWL (Ω), and the resistance value of C is
WC = 1 / 2πWC (Ω).
【００１６】ダイオード（Ｄ）は、一定以上の強電圧が
印可されたときにのみ、自動的に印可電圧を減圧する機
能を有している。例えば、常時、２．０Ｖの電圧がかか
っていながら、何らかの状況においてそれ以上の電圧が
印可された場合、そのダイオードが２．０Ｖのツェナー
ダイオードであれば、２．０Ｖ以上の電圧が一瞬の間に
放電され、２．０Ｖの電圧を維持するように機能する。The diode (D) has a function of automatically reducing the applied voltage only when a strong voltage above a certain level is applied. For example, if a voltage of 2.0 V is applied at all times and a voltage higher than that is applied in some situation, if the diode is a Zener diode of 2.0 V, a voltage of 2.0 V or higher will be momentarily applied. And functions to maintain a voltage of 2.0V.
【００１７】図１に示すように、送音機構１８および受
音機構２０は、配線３６を介して装置側接続部３４に接
続されるとともに、前記装置側接続部３４は、例えば、
携帯電話４０の携帯側接続部４２に接続可能である。As shown in FIG. 1, the sound transmitting mechanism 18 and the sound receiving mechanism 20 are connected to the device-side connecting portion 34 via wiring 36, and the device-side connecting portion 34 is, for example,
It can be connected to the mobile-side connecting section 42 of the mobile phone 40.
【００１８】このように構成される送受音装置１０の動
作について、以下に説明する。The operation of the sound transmitting / receiving device 10 thus configured will be described below.
【００１９】まず、送受音装置１０を構成する装置側接
続部３４が、携帯電話４０の携帯側接続部４２に接続さ
れるとともに、前記送受音装置１０が、使用者１２の一
方の耳１４に装着される。具体的には、耳掛け部材１６
が使用者１２の耳１４の形状に対応して変形され、前記
耳１４に掛けられる。一方、送音機構１８を構成するマ
イクロホーン２２が耳１４の外耳道１５に配置されると
ともに、受音機構２０を構成するスピーカ２４が耳介２
６の背部側に接触して配置される。この状態で、使用者
１２は、携帯電話４０により相手方と会話を行うことが
できる。First, the device-side connecting portion 34 of the sound transmitting / receiving device 10 is connected to the portable-side connecting portion 42 of the mobile phone 40, and the sound transmitting / receiving device 10 is attached to one ear 14 of the user 12. It is installed. Specifically, the ear hook member 16
Is deformed according to the shape of the ear 14 of the user 12 and is hung on the ear 14. On the other hand, the microphone 22 that constitutes the sound transmitting mechanism 18 is arranged in the external auditory meatus 15 of the ear 14, and the speaker 24 that constitutes the sound receiving mechanism 20 includes the auricle 2.
6 is placed in contact with the back side of 6. In this state, the user 12 can have a conversation with the other party by using the mobile phone 40.
【００２０】この場合、本実施形態では、送音機構１８
を構成するマイクロホーン２２が耳１４の外耳道１５に
配置されている。このため、使用者１２の声は、頭蓋骨
を通って直接内耳に伝わり、さらに前記内耳に接する耳
小骨（ツチ骨、キヌタ骨およびアブミ骨）および鼓膜が
振動し、その振動をマイクロホーン２２が言葉振動源と
して取り出すことが可能になる。これにより、送音機構
１８は、外部の雑音による影響を確実に回避することが
できるとともに、相手側が使用者１２側の送話内容を十
分に理解することが可能になる。In this case, in this embodiment, the sound sending mechanism 18
The microphone 22 constituting the above is arranged in the external auditory meatus 15 of the ear 14. Therefore, the voice of the user 12 is transmitted directly to the inner ear through the skull, and the ossicles (the malleus, the incus and the stapes) and the eardrum that are in contact with the inner ear vibrate, and the microphone 22 speaks the vibration. It can be taken out as a vibration source. As a result, the sound transmitting mechanism 18 can reliably avoid the influence of external noise, and the other party can fully understand the content of the transmitted speech on the side of the user 12.
【００２１】しかも、受音機構２０を構成するスピーカ
２４が、耳１４の外、すなわち、耳介２６の背部側に接
触して配置されるため、受話の処理が容易になり、ハウ
リング等の問題を有効に阻止することができる。さら
に、使用者１２は、他方の耳が空いているため、周囲の
状況に対しても良好に対応することが可能になる。In addition, since the speaker 24 constituting the sound receiving mechanism 20 is arranged outside the ear 14, that is, in contact with the back side of the auricle 26, the process of receiving the voice is facilitated and problems such as howling occur. Can be effectively blocked. Further, since the other ear is open, the user 12 can cope well with the surrounding situation.
【００２２】さらにまた、受音機構２０は、使用者１２
の耳介２６の背部側に接触し、前記背部周辺の骨格およ
び／または顎骨に電気信号を与えることにより、受音処
理を確実かつ容易に遂行することができる。Furthermore, the sound receiving mechanism 20 is used by the user 12
By contacting the back side of the auricle 26 and applying an electric signal to the skeleton and / or the jawbone around the back, the sound receiving process can be performed reliably and easily.
【００２３】なお、本実施形態では、受音機構２０がス
ピーカ２４を備えているが、これに代替えして、例え
ば、骨伝導イヤホーンを使用してもよい。この骨伝導イ
ヤホーンは、骨に直接電気振動を加えて信号を伝える方
式であり、外部に信号が洩れることがない。In the present embodiment, the sound receiving mechanism 20 is provided with the speaker 24, but instead of this, for example, a bone conduction earphone may be used. This bone conduction earphone is a method of transmitting a signal by directly applying electric vibration to the bone, and the signal does not leak to the outside.
【００２４】また、本実施形態では、送受音装置１０を
携帯電話４０に接続して送受話を行う場合について説明
したが、これに限定されるものではなく、無線通信機の
送受話装置や送受信切り替え装置に用いたり、聴覚障害
者の音声認識装置に用いたりすることができる。In the present embodiment, the case has been described in which the sound transmitting / receiving device 10 is connected to the mobile phone 40 to perform transmission / reception. However, the present invention is not limited to this. It can be used as a switching device or as a voice recognition device for a deaf person.
【００２５】[0025]
【発明の効果】本発明に係る送受音装置では、送音機構
が耳内に配置されているため、外部の雑音による影響を
確実に回避することができるとともに、相手側が送話者
側の送音内容を十分に理解することが可能になる。しか
も、受音機構が耳の外に配置されるため、受音の処理が
容易になり、ハウリング等の問題を有効に阻止すること
ができる。さらに、使用者の他方の耳が空いているた
め、周囲の状況に対しても良好に対応することが可能に
なる。In the sound transmitting and receiving device according to the present invention, since the sound transmitting mechanism is arranged in the ear, it is possible to surely avoid the influence of external noise, and the other party transmits the sound to the speaker side. It becomes possible to fully understand the sound content. Moreover, since the sound receiving mechanism is arranged outside the ear, the sound receiving process is facilitated, and problems such as howling can be effectively prevented. Furthermore, since the other ear of the user is open, it is possible to respond well to the surrounding situation.
【図１】本発明の実施形態に係る送受話装置の使用状態
を示す斜視説明図である。FIG. 1 is a perspective explanatory view showing a usage state of a handset device according to an embodiment of the present invention.
【図２】前記送受音装置の側面図である。FIG. 2 is a side view of the sound transmitting / receiving device.
【図３】前記送受音装置の電気回路の説明図である。FIG. 3 is an explanatory diagram of an electric circuit of the sound transmitting / receiving device.
【図４】前記電気回路を構成するフィルタの説明図であ
る。FIG. 4 is an explanatory diagram of a filter forming the electric circuit.
１０…送受音装置 １２…使用者 １４…耳 １６…耳掛け部材 １８…送音機構 ２０…受音機構 ２２…マイクロホーン ２４…スピーカ ２６…耳介 ３０…アンプ ３４…装置側接続部 ３５…フィルタ ３６…配線 ４０…携帯電話 10 ... Sound transmitting / receiving device 12 ... User 14 ... ears 16 ... ear hook members 18 ... Sound transmitting mechanism 20 ... Sound receiving mechanism 22 ... Microphone 24 ... Speaker 26 ... Auricle 30 ... Amplifier 34 ... Device side connection part 35 ... Filter 36 ... Wiring 40 ... Mobile phone
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｈ０４Ｒ 1/10 １０４ Ｈ０４Ｒ 1/10 １０４Ａ ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) H04R 1/10 104 H04R 1/10 104A
Claims (3)
される耳掛け部材と、 前記耳掛け部材の一方の端部側に装着されるとともに、
前記耳内に配置されて前記使用者からの送音を行う送音
機構と、 前記耳掛け部材の他方の端部側に装着されるとともに、
前記耳の下部側に配置されて前記使用者への受音を行う
受音機構と、 を備えることを特徴とする送受音装置。1. An ear hook member which is hung on one ear of a user and held by the ear, and which is mounted on one end side of the ear hook member,
A sound transmitting mechanism that is arranged in the ear to transmit a sound from the user, and is attached to the other end side of the ear hook member,
A sound transmitting / receiving device, which is arranged on a lower side of the ear and which receives a sound to the user.
受音機構は、前記使用者の耳介の背部側に接触し、前記
背部周辺の骨格および／または顎骨に電気信号を与える
ことを特徴とする送受音装置。2. The sound transmitting / receiving device according to claim 1, wherein the sound receiving mechanism is in contact with a back side of the auricle of the user and applies an electric signal to a skeleton and / or a jawbone around the back. Characteristic sound transmitting and receiving device.
受音機構は、骨伝導イヤホーンまたはスピーカを備える
ことを特徴とする送受音装置。3. The sound transmitting / receiving device according to claim 2, wherein the sound receiving mechanism includes a bone conduction earphone or a speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001338541A JP2003111175A (en) | 2001-10-01 | 2001-10-01 | Speech transmission and receiving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001338541A JP2003111175A (en) | 2001-10-01 | 2001-10-01 | Speech transmission and receiving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003111175A true JP2003111175A (en) | 2003-04-11 |
Family
ID=19153015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001338541A Pending JP2003111175A (en) | 2001-10-01 | 2001-10-01 | Speech transmission and receiving system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003111175A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011024255A1 (en) * | 2009-08-25 | 2011-03-03 | 日本エムエムアイテクノロジー株式会社 | Microphone device and headset device |
| JP2014007520A (en) * | 2012-06-22 | 2014-01-16 | Yuji Hosoi | Headset |
| US9479624B2 (en) | 2012-01-20 | 2016-10-25 | Rohm Co., Ltd. | Mobile telephone |
| US9485559B2 (en) | 2011-02-25 | 2016-11-01 | Rohm Co., Ltd. | Hearing system and finger ring for the hearing system |
| US9705548B2 (en) | 2013-10-24 | 2017-07-11 | Rohm Co., Ltd. | Wristband-type handset and wristband-type alerting device |
| US9716782B2 (en) | 2010-12-27 | 2017-07-25 | Rohm Co., Ltd. | Mobile telephone |
| US9729971B2 (en) | 2012-06-29 | 2017-08-08 | Rohm Co., Ltd. | Stereo earphone |
| US9742887B2 (en) | 2013-08-23 | 2017-08-22 | Rohm Co., Ltd. | Mobile telephone |
| US9894430B2 (en) | 2010-12-27 | 2018-02-13 | Rohm Co., Ltd. | Incoming/outgoing-talk unit and incoming-talk unit |
| US10013862B2 (en) | 2014-08-20 | 2018-07-03 | Rohm Co., Ltd. | Watching system, watching detection device, and watching notification device |
| US10356231B2 (en) | 2014-12-18 | 2019-07-16 | Finewell Co., Ltd. | Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit |
| US10778824B2 (en) | 2016-01-19 | 2020-09-15 | Finewell Co., Ltd. | Pen-type handset |
| US10795321B2 (en) | 2015-09-16 | 2020-10-06 | Finewell Co., Ltd. | Wrist watch with hearing function |
| US10967521B2 (en) | 2015-07-15 | 2021-04-06 | Finewell Co., Ltd. | Robot and robot system |
| US11526033B2 (en) | 2018-09-28 | 2022-12-13 | Finewell Co., Ltd. | Hearing device |
-
2001
- 2001-10-01 JP JP2001338541A patent/JP2003111175A/en active Pending
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011024255A1 (en) * | 2009-08-25 | 2011-03-03 | 日本エムエムアイテクノロジー株式会社 | Microphone device and headset device |
| US9716782B2 (en) | 2010-12-27 | 2017-07-25 | Rohm Co., Ltd. | Mobile telephone |
| US10779075B2 (en) | 2010-12-27 | 2020-09-15 | Finewell Co., Ltd. | Incoming/outgoing-talk unit and incoming-talk unit |
| US9894430B2 (en) | 2010-12-27 | 2018-02-13 | Rohm Co., Ltd. | Incoming/outgoing-talk unit and incoming-talk unit |
| US9980024B2 (en) | 2011-02-25 | 2018-05-22 | Rohm Co., Ltd. | Hearing system and finger ring for the hearing system |
| US9485559B2 (en) | 2011-02-25 | 2016-11-01 | Rohm Co., Ltd. | Hearing system and finger ring for the hearing system |
| US9479624B2 (en) | 2012-01-20 | 2016-10-25 | Rohm Co., Ltd. | Mobile telephone |
| US10158947B2 (en) | 2012-01-20 | 2018-12-18 | Rohm Co., Ltd. | Mobile telephone utilizing cartilage conduction |
| US10778823B2 (en) | 2012-01-20 | 2020-09-15 | Finewell Co., Ltd. | Mobile telephone and cartilage-conduction vibration source device |
| US10079925B2 (en) | 2012-01-20 | 2018-09-18 | Rohm Co., Ltd. | Mobile telephone |
| JP2014007520A (en) * | 2012-06-22 | 2014-01-16 | Yuji Hosoi | Headset |
| US10834506B2 (en) | 2012-06-29 | 2020-11-10 | Finewell Co., Ltd. | Stereo earphone |
| US9729971B2 (en) | 2012-06-29 | 2017-08-08 | Rohm Co., Ltd. | Stereo earphone |
| US10506343B2 (en) | 2012-06-29 | 2019-12-10 | Finewell Co., Ltd. | Earphone having vibration conductor which conducts vibration, and stereo earphone including the same |
| US9742887B2 (en) | 2013-08-23 | 2017-08-22 | Rohm Co., Ltd. | Mobile telephone |
| US10237382B2 (en) | 2013-08-23 | 2019-03-19 | Finewell Co., Ltd. | Mobile telephone |
| US10075574B2 (en) | 2013-08-23 | 2018-09-11 | Rohm Co., Ltd. | Mobile telephone |
| US9705548B2 (en) | 2013-10-24 | 2017-07-11 | Rohm Co., Ltd. | Wristband-type handset and wristband-type alerting device |
| US10103766B2 (en) | 2013-10-24 | 2018-10-16 | Rohm Co., Ltd. | Wristband-type handset and wristband-type alerting device |
| US10380864B2 (en) | 2014-08-20 | 2019-08-13 | Finewell Co., Ltd. | Watching system, watching detection device, and watching notification device |
| US10013862B2 (en) | 2014-08-20 | 2018-07-03 | Rohm Co., Ltd. | Watching system, watching detection device, and watching notification device |
| US10848607B2 (en) | 2014-12-18 | 2020-11-24 | Finewell Co., Ltd. | Cycling hearing device and bicycle system |
| US10356231B2 (en) | 2014-12-18 | 2019-07-16 | Finewell Co., Ltd. | Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit |
| US11601538B2 (en) | 2014-12-18 | 2023-03-07 | Finewell Co., Ltd. | Headset having right- and left-ear sound output units with through-holes formed therein |
| US10967521B2 (en) | 2015-07-15 | 2021-04-06 | Finewell Co., Ltd. | Robot and robot system |
| US10795321B2 (en) | 2015-09-16 | 2020-10-06 | Finewell Co., Ltd. | Wrist watch with hearing function |
| US10778824B2 (en) | 2016-01-19 | 2020-09-15 | Finewell Co., Ltd. | Pen-type handset |
| US11526033B2 (en) | 2018-09-28 | 2022-12-13 | Finewell Co., Ltd. | Hearing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5796821A (en) | Hearing aid telephone interconnect system | |
| US20140307868A1 (en) | Headset system with microphone for ambient sounds | |
| JP3830823B2 (en) | Telephone handset for voice-TDD mixed communication system | |
| JP2003111175A (en) | Speech transmission and receiving system | |
| JP2010283873A (en) | Microphone techniques | |
| JPH11146483A (en) | Mobile telephone set having amplified sound | |
| CN102972043A (en) | Ear microphone | |
| KR20060067165A (en) | Apparatus for generating magnetic field for the hearing impaired in portable wireless terminal | |
| JP2003143253A (en) | Interactive terminal, its speech control method, and its program | |
| US6320959B1 (en) | Hearing aid telephone interconnect system | |
| JP5213584B2 (en) | Call system | |
| EP2018029A1 (en) | Wireless earphone for a communication apparatus connected to the PSTN | |
| KR200247574Y1 (en) | Speaker-phone as accessory adhering on hand-phone | |
| TWI639344B (en) | Sound collection equipment having function of answering incoming calls and control method of sound collection | |
| WO2000064216A1 (en) | Anti-feedback, full-duplex headset | |
| CN100466864C (en) | Automatic regulating and transmitting method and device of business prompt ring tone volume for mobile terminal | |
| JPH11289370A (en) | Telephone system | |
| JP2003125496A (en) | Hearing aid and voice reproducer | |
| JP3072755U (en) | Laryngeal voice control wireless hands-free device for mobile phones | |
| GB2557258B (en) | A system and method for an in- mouth communicator | |
| JP3073415U (en) | Mobile phone intercom | |
| KR200347976Y1 (en) | Transmission protection structure of surround noise for handset | |
| JPH0145199Y2 (en) | ||
| JPH0766861A (en) | Telephone set terminal using bone conduction type ear microphone and ear microphone connector | |
| JPH10304027A (en) | Telephone system |