JPH04178055A - Mobile telephone hand-free system - Google Patents
Mobile telephone hand-free systemInfo
- Publication number
- JPH04178055A JPH04178055A JP2307436A JP30743690A JPH04178055A JP H04178055 A JPH04178055 A JP H04178055A JP 2307436 A JP2307436 A JP 2307436A JP 30743690 A JP30743690 A JP 30743690A JP H04178055 A JPH04178055 A JP H04178055A
- Authority
- JP
- Japan
- Prior art keywords
- mobile phone
- free
- hand
- hands
- unit
- 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
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000003321 amplification Effects 0.000 abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、携帯電話機に利用できる移動電話／％ンドフ
リー装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a mobile phone/% free device that can be used in a mobile phone.
従来の技術
この種の携帯電話機は、電話回線に接続された基地局に
無線回線で接続され、電波で通話ができるようになって
いる。BACKGROUND OF THE INVENTION This type of mobile phone is connected via a wireless line to a base station connected to a telephone line, and is capable of making calls using radio waves.
第３図は、上記従来の携帯電話機の構成を示すブロック
図である。FIG. 3 is a block diagram showing the configuration of the conventional mobile phone.
第３図において、携帯電話機３１は、アンテナ３２と、
これに接続される無線部３３と、この無線部３３に接続
されるオーディオ回路３４と、無線音声を発する発音体
３５と、送話音声を集音するマイク３６とを備えている
。In FIG. 3, a mobile phone 31 has an antenna 32,
It includes a wireless section 33 connected to this, an audio circuit 34 connected to this wireless section 33, a sounding body 35 that emits wireless audio, and a microphone 36 that collects transmitted audio.
上記従来装置において、図示しない基地局からの変調信
号は、アンテナ３２で受信されて無線部３３で復調され
、オーディオ回路３４にてレヘル調整されて発音体３５
により発音される。In the conventional device described above, a modulated signal from a base station (not shown) is received by an antenna 32, demodulated by a radio section 33, level-adjusted by an audio circuit 34, and then sent to a sounding body 35.
pronounced by
また、マイク３６にて集音された音声は、オーディオ回
路３４でレヘル調整された後、無線部３３にて変調した
電波をアンテナ３２により基地局に向けて放射される。Further, the sound collected by the microphone 36 is level-adjusted by the audio circuit 34, and then modulated by the radio section 33 and radio waves are radiated toward the base station by the antenna 32.
前記発音体３５とマイク３６は、人間の耳と口の位置を
意識して配置されている。The sounding body 35 and the microphone 36 are placed with consideration to the positions of the human ear and mouth.
このように上記従来の携帯電話機では、人間の耳と口と
に、発音体３５とマイク３６を近づけることにより、電
話機としての機能を備えることになる。In this way, the conventional mobile phone has the function of a telephone by bringing the sounding body 35 and the microphone 36 close to the human ear and mouth.
発明が解決しようとする課題
しかしなから、上記従来の携帯電話機では、手を使って
電話機を顔に近づけた状態でしか通話をできないという
問題があった。Problems to be Solved by the Invention However, the above-mentioned conventional mobile phone has a problem in that it is only possible to talk while using the phone and holding it close to the face.
本発明は上述した従来装置の問題点を解決するものであ
り、ハンドフリー状態で通話を可能とする移動電話ハン
ドフリー装置を提供することを目的とする。The present invention solves the problems of the conventional devices described above, and aims to provide a mobile telephone hands-free device that allows telephone calls in a hands-free state.
課題を解決するための手段
本発明は、上記目的を達成するために、電話回線に接続
された基地局に無線回線で接続されて電波で通話のでき
る携帯電話機において、前記携帯電話機に着脱可能とさ
れ、外部スピーカおよび外部マイクを備え、これらを駆
動可能としたハンドフリーユニットを設け、前記携帯電
話機はハンドフリーユニット側あるいは内部側装置に切
り換えられる構成としたことを特徴とする。Means for Solving the Problems In order to achieve the above object, the present invention provides a mobile phone which is connected to a base station connected to a telephone line via a wireless line and can make calls using radio waves, and which is detachable from the mobile phone. The present invention is characterized in that a hands-free unit including an external speaker and an external microphone and capable of driving these is provided, and the mobile phone is configured to be switched to the hands-free unit side or the internal device.
作用
本発明は上記のような構成により次のような作用を有す
る。すなわち、携帯電話機は、操作者によりキー操作を
することによって音声バスが／）ンドフリーユニット側
に設定されると、着信して通話状態に入った場合、外部
スピーカおよび外部マイクが作動することになる。これ
により、使用者はハンドフリー状態で通話動作を続ける
ことか可能となる。Effects The present invention has the following effects due to the above structure. In other words, if the voice bus of the mobile phone is set to the /) handset-free unit side by the operator's key operations, the external speaker and external microphone will be activated when the mobile phone receives a call and enters the talking state. Become. This allows the user to continue talking in a hands-free state.
実施例 以下、本発明を図面に基づいて説明する。Example Hereinafter, the present invention will be explained based on the drawings.
第１図は本発明の移動電話ハンドフリー装置の一実施例
の構成を示すブロック図である。FIG. 1 is a block diagram showing the configuration of an embodiment of the mobile telephone hands-free device of the present invention.
第１図において、移動電話ハンドフリー装置は、携帯電
話機１１と、卓上ハンドフリーユニット２１とから構成
されている。In FIG. 1, the mobile phone hands-free device is composed of a mobile phone 11 and a desk-top hands-free unit 21. As shown in FIG.
ここで、上記携帯電話機１１は、無線回線に接続するた
めのアンテナ１２と、このアンテナ１２に接続され、ア
ンテナ１２に送信電波を送り込み、かつアンテナ１２か
らの受信電波を復調する無線部１３と、この無線部１３
に接続されたオーディオ回路１４と、このオーディオ回
路１４に接続され受信信号を発生する発音体１５と、前
記オーディオ回路１４に接続され音声を集音するマイク
１６と、各部の動作や切換えを制御するマイクロコンビ
二一夕からなる制御回路１７と、ダイヤルやその他のデ
ータを入力するキーボード１８と、受話切換スイッチ１
９Ｒと、送話切換スイッチ１９Ｔと、各部に電力を供給
する電池パック２０とを含んでいる。携帯電話機１１は
接続端子Ｐ１゜、ＰＩＩ、Ｐｌ。を有しており、接続端
子Ｐ１ｏが電力を、接続端子Ｐ１１が受信信号を、接続
端子Ｐ１□が送信信号を伝送できるようになっている。Here, the mobile phone 11 includes an antenna 12 for connecting to a wireless line, a radio section 13 connected to the antenna 12, sending a transmission radio wave to the antenna 12, and demodulating a reception radio wave from the antenna 12. This radio section 13
an audio circuit 14 connected to the audio circuit 14; a sounding body 15 connected to the audio circuit 14 to generate a received signal; and a microphone 16 connected to the audio circuit 14 to collect sound; and controls the operation and switching of each part. A control circuit 17 consisting of a microcombiner, a keyboard 18 for inputting dials and other data, and a receiver selector switch 1
9R, a transmission changeover switch 19T, and a battery pack 20 that supplies power to each part. The mobile phone 11 has connection terminals P1°, PII, and Pl. The connection terminal P1o can transmit power, the connection terminal P11 can transmit a received signal, and the connection terminal P1□ can transmit a transmission signal.
また、上記卓上ハンドフリーユニット２１は携帯電話機
１１に接続できるようになっている。卓上ハンドフリー
ユニット２１は接続端子Ｐ２゜、Ｐ ＳＰつを有して
おり、携帯電話機１１に装着すると、前記接続端子Ｐ２
゜、Ｐ２１、Ｐ２゜が携帯電話機１１の接続端子Ｐ１ｏ
１Ｐ１１、Ｐ１□にそれぞれ接続される。卓上ハンドフ
リーユニット２１は、外部マイク２２からの音声信号を
増幅して接続端子Ｐ９．に供給する送話オーディオ増幅
回路２３と、接続端子Ｐ２□からの受信信号を増幅する
受話オーディオ増幅回路２４と、受話オーディオ増幅回
路２４からの信号を発音するスピーカ２５とから構成さ
れている。送話オーディオ増幅回路２３と受話オーディ
オ増幅回路２４には、携帯電話機１１に卓上ハンドフリ
ーユニット２１を装着したときに、接続端子Ｐ２ｏを介
して電力が供給される。Further, the tabletop hands-free unit 21 can be connected to the mobile phone 11. The desktop hands-free unit 21 has two connection terminals P2° and PSP, and when attached to the mobile phone 11, the connection terminal P2
゜, P21, P2゜ are connection terminals P1o of the mobile phone 11
Connected to 1P11 and P1□, respectively. The tabletop handsfree unit 21 amplifies the audio signal from the external microphone 22 and connects it to the connection terminal P9. The transmitting audio amplifying circuit 23 supplies a signal to the receiving audio amplifier circuit 23, a receiving audio amplifying circuit 24 that amplifies the received signal from the connection terminal P2□, and a speaker 25 that outputs the signal from the receiving audio amplifying circuit 24. Power is supplied to the transmitting audio amplifying circuit 23 and the receiving audio amplifying circuit 24 via the connection terminal P2o when the desktop hands-free unit 21 is attached to the mobile phone 11.
また、携帯電話機１１では、オーディオ回路１４に、受
話切換スイッチ１９Ｒにより接続端子Ｐ１１または発音
体１５を、送話切換スイッチ１９Ｔにより接続端子Ｐ１
゜またはマイク１６を、それぞれ接続できるようになっ
ている。Further, in the mobile phone 11, the audio circuit 14 is connected to the connection terminal P11 or the sounding body 15 by the receive changeover switch 19R, and the connection terminal P1 to the audio circuit 14 by the send changeover switch 19T.
゜ or a microphone 16 can be connected respectively.
次に上記実施例の動作について説明する。Next, the operation of the above embodiment will be explained.
上記実施例において、使用者がキーボード１８によりハ
ンドフリーモードを選択すると、携帯電話機１１が通話
状態に入ったときに、制御回路１７からの命令により、
受話切換スイッチ１９Ｒおよび送話切換スイッチ１９Ｔ
がそれぞれ音声バスを、卓上ハンドフリーユニット２１
側に切り換える。In the above embodiment, when the user selects the hands-free mode using the keyboard 18, when the mobile phone 11 enters the talking state, the command from the control circuit 17
Receiving switch 19R and transmitting switch 19T
each have an audio bus and a tabletop hands-free unit 21.
Switch to the side.
卓上ハンドフリーユニット２１は、携帯電話機１１の電
池パック２０から電力の供給を受けて、送話オーディオ
増幅回路２３と受話オーディオ増幅回路２４が動作する
。In the desktop hands-free unit 21, the transmitting audio amplifying circuit 23 and the receiving audio amplifying circuit 24 operate when power is supplied from the battery pack 20 of the mobile phone 11.
このように上記実施例によれば、使用者の選択により、
卓上ハンドフリーユニット２１の外部スピーカ２５およ
び外部マイク２２の使用が可能になり、外部スピーカ２
５および外部マイク２２の位置関係と、送話オーディオ
増幅回路２３と受話オーディオ増幅回路２４の増幅度と
を調整すれば、電話の使用者はハンドフリー状態での通
話が可能になる。As described above, according to the above embodiment, depending on the user's selection,
The external speaker 25 and external microphone 22 of the tabletop hands-free unit 21 can be used, and the external speaker 2
5 and the external microphone 22, and the amplification degrees of the transmitting audio amplifying circuit 23 and the receiving audio amplifying circuit 24, the telephone user can talk in a hands-free state.
第２図は本発明の他の実施例を示すブロック図である。FIG. 2 is a block diagram showing another embodiment of the invention.
この実施例では、卓上ハンドフリー状態ッ）２１Ａの電
源として携帯電話機１１の電池パック２０に代えて交流
直流電源２６を用い、かつ充電器２７を設けている。In this embodiment, an AC/DC power source 26 is used in place of the battery pack 20 of the mobile phone 11 as the power source for the desktop hands-free state 21A, and a charger 27 is provided.
この実施例では、携帯電話機１１の電池パ、ツク２０の
電流消費を押さえられるという効果を有する。This embodiment has the effect of suppressing the current consumption of the battery pack 20 of the mobile phone 11.
したかって、この実施例では、携帯電話をこの装置に装
着しておくと、電池パ・ツク２０の充電か可能になる。Therefore, in this embodiment, when a mobile phone is attached to this device, the battery pack 20 can be charged.
発明の効果
本発明は、上記実施例より明らかなように、携帯電話機
にハンドフリーユニットを接続可能にし、使用者の選択
に応じてｌ＼ンドフリーユニソト側に切り換えておくこ
とにより、ノーンドフリー状態で通話を行えるという利
点を有する。Effects of the Invention As is clear from the above embodiments, the present invention enables a hands-free unit to be connected to a mobile phone and switches it to the hands-free unit according to the user's selection. It has the advantage of being able to make calls in a free state.
第１図は本発明の移動電話／’ｔンドフリー装置の実施
例を示すブロック図、第２図は本発明の他の実施例を示
すブロック図、第３図は従来の携帯電話機の概略ブロッ
ク図である。
１１・・・携帯電話機、１２・・・アンテナ、１３・・
・無線部、１４・・・オーディオ回路、１５・・・発音
体、１６・・・マイク、１７・・・制御回路、１８・・
・キーボード、１９Ｔ・・・送話切換スイッチ、１９Ｒ
・・・受話切換スイッチ、２０・・・電池パック、２１
・・・卓上ノ＼ンドフリーユニット、２２・・・外部マ
イク、２３・・・送話オーディオ増幅回路、２４・・・
受話オーディオ増幅回路、２５・・・外部スピーカ。
代理人の氏名 弁理士小鍜治 明ほか２名第１図
第 ２ 図FIG. 1 is a block diagram showing an embodiment of the mobile phone/t-free device of the present invention, FIG. 2 is a block diagram showing another embodiment of the invention, and FIG. 3 is a schematic block diagram of a conventional mobile phone. It is. 11...Mobile phone, 12...Antenna, 13...
- Radio section, 14... Audio circuit, 15... Sound generating body, 16... Microphone, 17... Control circuit, 18...
・Keyboard, 19T...Call selection switch, 19R
... Receiving switch, 20... Battery pack, 21
...Tabletop node free unit, 22...External microphone, 23...Talking audio amplification circuit, 24...
Receiving audio amplification circuit, 25...external speaker. Name of agent: Patent attorney Akira Okaji and two others Figure 1 Figure 2
Claims (1)
波で通話のできる携帯電話機において、前記携帯電話機
に着脱可能とされ、外部スピーカおよび外部マイクを備
え、これらを駆動可能としたハンドフリーユニットを設
け、前記携帯電話機はハンドフリーユニット側あるいは
内部側装置に切り換える構成としたことを特徴とする移
動電話ハンドフリー装置。A hands-free unit that is removably attached to the mobile phone, is equipped with an external speaker and an external microphone, and is capable of driving these, in a mobile phone that is connected via a wireless line to a base station connected to a telephone line and can make calls using radio waves. A mobile phone hands-free device, characterized in that the mobile phone is configured to be switched to a hands-free unit side or an internal device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2307436A JPH04178055A (en) | 1990-11-13 | 1990-11-13 | Mobile telephone hand-free system |
| GB9123752A GB2252478B (en) | 1990-11-13 | 1991-11-08 | Mobile telephone apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2307436A JPH04178055A (en) | 1990-11-13 | 1990-11-13 | Mobile telephone hand-free system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04178055A true JPH04178055A (en) | 1992-06-25 |
Family
ID=17969052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2307436A Pending JPH04178055A (en) | 1990-11-13 | 1990-11-13 | Mobile telephone hand-free system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH04178055A (en) |
| GB (1) | GB2252478B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6281925B1 (en) * | 1998-10-14 | 2001-08-28 | Denso Corporation | Video telephone device having automatic sound level setting along with operation mode switching |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0591039A (en) * | 1991-09-30 | 1993-04-09 | Nec Corp | Portable radio terminal equipment and on-vehicle radio terminal equipment |
| IT1273647B (en) * | 1994-07-19 | 1997-07-09 | Ugge Giuseppe | HANDS-FREE DIALOGUE MOBILE PHONE |
| JPH10507052A (en) * | 1995-03-04 | 1998-07-07 | モルド−テック プラスティックス リミテッド パートナーシップ | External communication source for radio interface |
| IL119040A (en) | 1995-08-18 | 2000-09-28 | Tamir Giora | Hands-free telephone apparatus |
| WO1997013332A1 (en) * | 1995-09-29 | 1997-04-10 | Sheplind Pty. Ltd. | A hands free mobile phone unit |
| WO1998058454A2 (en) * | 1997-06-16 | 1998-12-23 | Dansk Mobiltelefon A/S | A docking station |
| GB2362057A (en) * | 2000-05-04 | 2001-11-07 | Martin Paul Davidson | Wire-less link accessory for mobile telephones |
| GB2362287B (en) * | 2000-05-11 | 2004-03-03 | Roke Manor Research | Improvements in or relating to mobile phones |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4661992A (en) * | 1985-07-31 | 1987-04-28 | Motorola Inc. | Switchless external antenna connector for portable radios |
| US4734049A (en) * | 1986-04-09 | 1988-03-29 | Uniden Corporation Of America | Mechanical latch mechanism for combination portable transceiver and charging unit |
| JPH07114382B2 (en) * | 1986-11-18 | 1995-12-06 | 日本電気株式会社 | In-vehicle adapter for portable radios |
| WO1991002424A1 (en) * | 1989-08-03 | 1991-02-21 | Motorola, Inc. | Portable telephone with power source/mode change during calls |
-
1990
- 1990-11-13 JP JP2307436A patent/JPH04178055A/en active Pending
-
1991
- 1991-11-08 GB GB9123752A patent/GB2252478B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6281925B1 (en) * | 1998-10-14 | 2001-08-28 | Denso Corporation | Video telephone device having automatic sound level setting along with operation mode switching |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2252478A (en) | 1992-08-05 |
| GB2252478B (en) | 1995-01-25 |
| GB9123752D0 (en) | 1992-01-02 |
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