JPH07231293A - Battery charging system for mobile communication equipment - Google Patents
Battery charging system for mobile communication equipmentInfo
- Publication number
- JPH07231293A JPH07231293A JP6045245A JP4524594A JPH07231293A JP H07231293 A JPH07231293 A JP H07231293A JP 6045245 A JP6045245 A JP 6045245A JP 4524594 A JP4524594 A JP 4524594A JP H07231293 A JPH07231293 A JP H07231293A
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- earphone
- terminal
- battery
- charging
- 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
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、イヤホンマイク端子を
備える自動車電話，携帯電話等の移動通信機におけるバ
ッテリ充電方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery charging system in a mobile communication device such as a car phone and a mobile phone equipped with an earphone microphone terminal.
【０００２】[0002]
【従来の技術】通信機器およびその回路技術の発展およ
び通信に関する法規制の整備に伴い、自動車電話，携帯
電話等の無線電話システムが近年急速に拡大しつつあ
る。現在使用されているハンディホンには使用環境等の
条件により通常のスピーカおよびマイクでは対応しきれ
ない場合などを考慮してイヤホンマイク端子が設けられ
ている。2. Description of the Related Art Wireless telephone systems such as car telephones and mobile telephones have been rapidly expanding in recent years with the development of communication equipment and its circuit technology and the development of laws and regulations concerning communications. Earphone / microphone terminals are provided for handyphones currently in use in consideration of cases where normal speakers and microphones cannot be used due to conditions such as usage environment.
【０００３】図３は従来のイヤホンマイク端子を有する
ハンディホンの構成を示す回路ブロック図である。操作
部４２の操作信号に基づき制御回路４１は復調回路３３
および変調回路３９を制御する。アンテナ３１を介して
受信された電波は受信回路３２で増幅された後、復調回
路３３で音声信号に復調される。音声信号はアンプ３４
で増幅され、スピーカ３５より出力される。一方，マイ
ク３７に入力した音声信号はアンプ３８で適宜増幅され
た後、変調回路３９で変調され、送信回路４０を介して
送信される。イヤホンマイク端子３６にイヤホンマイク
プラグを差し込むと、イヤホンマイクプラグの送話側と
受話側の端子がスピーカ３５の入力側とマイク３７の出
力側に接続され、イヤホンマイクによる通話が可能とな
る。FIG. 3 is a circuit block diagram showing the structure of a conventional handy phone having an earphone microphone terminal. The control circuit 41 controls the demodulation circuit 33 based on the operation signal from the operation unit 42.
And controlling the modulation circuit 39. The radio wave received via the antenna 31 is amplified by the receiving circuit 32 and then demodulated into a voice signal by the demodulating circuit 33. Audio signal is amplifier 34
Is amplified by and is output from the speaker 35. On the other hand, the audio signal input to the microphone 37 is appropriately amplified by the amplifier 38, modulated by the modulation circuit 39, and transmitted via the transmission circuit 40. When the earphone microphone plug is inserted into the earphone microphone terminal 36, the terminals on the transmitting side and the receiving side of the earphone microphone plug are connected to the input side of the speaker 35 and the output side of the microphone 37, so that the earphone microphone can talk.
【０００４】[0004]
【発明が解決しようとする課題】一般にこの種のハンデ
ィホンは携帯を前提としているので、携帯に便利なよう
にできるだけ小型であることが望ましい。そして、電源
としては充電式電池が用いられ、充電用外部電源端子が
設けられていた。充電用外部端子を設けるには、それを
配置するためのスペースが回路基板上に確保されてお
り、少しでも小型化を要請されるハンディホンにとって
は不利な構成となっていた。また、充電外部端子を設け
ることは携帯電話本体の型のコスト削減を制約する要因
の一つとなっていた。本発明の目的は、従前の構成より
さらに小型化が可能であるとともに部品の削減ができコ
スト低減化も図ることができる移動通信機のバッテリ充
電方式を提供することにある。Generally, since this type of handy phone is premised on being carried, it is desirable that the handy phone be as small as possible so that it is convenient to carry. A rechargeable battery was used as the power source, and a charging external power source terminal was provided. In order to provide the charging external terminal, a space for arranging the external terminal is secured on the circuit board, which is a disadvantageous structure for a handy phone that requires miniaturization as much as possible. Further, the provision of the charging external terminal has been one of the factors limiting the cost reduction of the mold of the mobile phone body. An object of the present invention is to provide a battery charging method for a mobile communication device, which can be further downsized as compared with the conventional configuration, and can reduce the number of parts and cost.
【０００５】[0005]
【課題を解決するための手段】前記目的を達成するため
に本発明による移動通信機のバッテリ充電方式は、受信
部出力をイヤホンに接続するとともにマイク出力を送信
部入力に接続するためのイヤホンマイク端子の前記送信
部入力に、交流信号を阻止するとともに逆流を防止する
回路部を接続し、さらに前記回路部に過充電を防止しつ
つバッテリ充電を行う制御回路を接続することにより前
記イヤホンマイク端子に充電端子機能を付加したイヤホ
ンマイク充電端子を有する移動通信機と、イヤホンおよ
びマイクを有するイヤホンマイク装置の他にイヤホンマ
イクプラグにＡＣアダプタを接続したバッテリ充電電源
部とを備え、前記イヤホンマイク装置を前記イヤホンマ
イク充電端子に差し込んだときは、送受話が行え、前記
バッテリ充電電源部を前記イヤホンマイク充電端子に差
し込んだときは、バッテリ充電を行えるように構成して
ある。また、本発明は上記構成において、前記制御回路
からの信号によりバッテリの充電状態を表示する表示部
を備えて構成されている。In order to achieve the above object, a battery charging method for a mobile communication device according to the present invention is an earphone microphone for connecting a receiver output to an earphone and a microphone output to a transmitter input. The earphone microphone terminal is connected to the transmitter input of the terminal by connecting a circuit section for blocking an AC signal and preventing backflow, and further connecting a control circuit for charging the battery while preventing overcharge to the circuit section. A mobile communication device having an earphone microphone charging terminal to which a charging terminal function is added, an earphone microphone device having an earphone and a microphone, and a battery charging power supply unit having an AC adapter connected to the earphone microphone plug. Can be transmitted and received when the When plugged into the earphone microphone charging terminal, and are configured to perform a battery charge. Further, the present invention is configured as described above, further comprising a display unit for displaying a charge state of the battery by a signal from the control circuit.
【０００６】[0006]
【作用】上記構成によれば、イヤホンマイク端子が外部
電源端子も兼ねるので、さらなる小型化が可能となる。
また、部品削減によりコスト低減化も図ることができ
る。According to the above construction, the earphone / microphone terminal also serves as the external power supply terminal, so that the size can be further reduced.
In addition, cost reduction can be achieved by reducing the number of parts.
【０００７】[0007]
【実施例】以下、図面を参照して本発明をさらに詳しく
説明する。図１は本発明による移動通信機のバッテリ充
電方式の実施例を示す回路ブロック図である。本図は、
本発明による携帯電話機（移動通信機）に直接かかわる
部分のみを記載してある。アンテナ１を介して受信され
た電波は受信部２で増幅され音声信号に復調される。音
声信号はスピーカアンプ３で増幅された後、直流阻止フ
ィルタ５を介してスピーカ６より出力される。一方，マ
イク１２に入力した音声信号は直流阻止フィルタ９を介
してマイクアンプ８で増幅される。増幅された音声信号
は送信部７によって変調された後、アンテナ１より送信
される。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail below with reference to the drawings. FIG. 1 is a circuit block diagram showing an embodiment of a battery charging system of a mobile communication device according to the present invention. This figure shows
Only the part directly related to the mobile phone (mobile communication device) according to the present invention is described. The radio wave received via the antenna 1 is amplified by the receiving unit 2 and demodulated into an audio signal. The audio signal is amplified by the speaker amplifier 3 and then output from the speaker 6 via the DC blocking filter 5. On the other hand, the voice signal input to the microphone 12 is amplified by the microphone amplifier 8 via the DC blocking filter 9. The amplified voice signal is modulated by the transmitter 7 and then transmitted from the antenna 1.
【０００８】イヤホンマイク充電端子１１のイヤホン端
子部１１ａには直流阻止フィルタ５を介してスピーカア
ンプ３の出力が接続されており、マイク端子部１１ｂに
は直流阻止フィルタ９を介してマイクアンプ８の入力が
接続されている。マイク端子部１１ｂにはさらに一端が
電源＋Ｂに接続された抵抗１０の他端とコイル１３の一
端が接続されている。コイル１３の他端はダイオード１
４のアノードに接続され、ダイオード１４のカソードは
制御回路１５に接続されている。コイル１３は交流信号
を阻止し、ダイオード１４は逆流を阻止する役目を有し
ている。The output of the speaker amplifier 3 is connected to the earphone terminal portion 11a of the earphone microphone charging terminal 11 via the DC blocking filter 5, and the microphone terminal portion 11b is connected to the microphone amplifier 8 via the DC blocking filter 9. Input is connected. The microphone terminal portion 11b is further connected to the other end of the resistor 10 whose one end is connected to the power source + B and one end of the coil 13. The other end of the coil 13 is the diode 1
4 and the cathode of the diode 14 is connected to the control circuit 15. The coil 13 has a function of blocking an AC signal, and the diode 14 has a role of blocking a backflow.
【０００９】電源＋Ｂは、バッテリ１６の端子電圧が図
示しない線により接続された電源電圧である。制御回路
１５は過充電防止機能を備えた回路で、ダイオード１４
からの充電電流を制御しバッテリ１６に充電を行う。充
電中はその状態がＬＥＤ等よりなる表示部１７によって
表示される。The power source + B is a power source voltage to which the terminal voltage of the battery 16 is connected by a line (not shown). The control circuit 15 is a circuit having an overcharge prevention function, and includes a diode 14
The charging current from the battery is controlled to charge the battery 16. During charging, the state is displayed by the display unit 17 including an LED or the like.
【００１０】図２（ａ）は、上記イヤホンマイク充電端
子に接続するイヤホンマイク装置の実施例を、図２
（ｂ）はバッテリ充電電源部の実施例をそれぞれ示す概
略図である。イヤホンマイク充電端子１１にイヤホンマ
イク装置２３のイヤホンマイクプラグ１８を差し込む
と、イヤホン２０によって音声を聞くことができ、マイ
ク１９によって相手に音声を送ることができる。マイク
端子部１１ｂの電位はバッテリ１６の電位より低いので
電源＋Ｂからの電流はすべてマイク側に流れマイクを駆
動するために用いられる。コイル１３のインピーダンス
はマイクアンプ８側のインピーダンスより十分高く設定
してあり、バッテリに交流信号が重畳するのを防止して
いる。FIG. 2A shows an embodiment of an earphone microphone device connected to the earphone microphone charging terminal.
(B) is a schematic diagram showing an example of a battery charge power supply part, respectively. When the earphone microphone plug 18 of the earphone microphone device 23 is inserted into the earphone microphone charging terminal 11, the voice can be heard by the earphone 20 and the voice can be sent to the other party by the microphone 19. Since the potential of the microphone terminal portion 11b is lower than the potential of the battery 16, all the current from the power source + B flows to the microphone side and is used to drive the microphone. The impedance of the coil 13 is set to be sufficiently higher than the impedance of the microphone amplifier 8 side to prevent the AC signal from being superposed on the battery.
【００１１】充電する場合にはバッテリ充電電源部２４
のイヤホンマイクプラグ２１をイヤホンマイク充電端子
１１に差し込む。イヤホンマイクプラグ２１の先端部は
マイク端子部１１ｂに接続され、イヤホンマイクプラグ
２１の根元部（アース側）はイヤホンマイク充電端子１
１のアースに接続される。イヤホンマイクプラグ２１の
中間部はイヤホン端子部１１ａに接続されるが、イヤホ
ンマイクプラグ２１のイヤホン端子部１１ａはＡＣアダ
プタ２２には接続されていない。ＡＣアダプタ２２は、
ＡＣ１００Ｖの電源をバッテリ１６の電圧より高い直流
電圧に変換し、上述のマイク端子部１１ｂとアース間に
供給する。供給された直流電圧はコイル１３およびダイ
オード１４を介して制御回路１５に送られ、バッテリ１
６に充電される。When charging, the battery charging power source unit 24
Insert the earphone microphone plug 21 of the above into the earphone microphone charging terminal 11. The tip portion of the earphone microphone plug 21 is connected to the microphone terminal portion 11b, and the root portion (ground side) of the earphone microphone plug 21 is the earphone microphone charging terminal 1.
1 connected to ground. The middle portion of the earphone microphone plug 21 is connected to the earphone terminal portion 11 a, but the earphone terminal portion 11 a of the earphone microphone plug 21 is not connected to the AC adapter 22. AC adapter 22
A power source of 100 V AC is converted into a DC voltage higher than the voltage of the battery 16 and supplied between the microphone terminal portion 11b and the ground. The supplied DC voltage is sent to the control circuit 15 via the coil 13 and the diode 14, and the battery 1
Charged to 6.
【００１２】[0012]
【発明の効果】以上、説明したように本発明は移動通信
機に、受信部出力をイヤホンに接続するとともにマイク
出力を送信部入力に接続するためのイヤホンマイク端子
の前記送信部入力に、交流信号を阻止するとともに逆流
を防止する回路部を接続し、さらに前記回路部に過充電
を防止しつつバッテリ充電を行う制御回路を接続するこ
とにより前記イヤホンマイク端子に充電端子機能を付加
したイヤホンマイク充電端子を設け、このイヤホンマイ
ク充電端子にイヤホンおよびマイクを有するイヤホンマ
イク装置の他にイヤホンマイクプラグにＡＣアダプタを
接続したバッテリ充電電源部を差し込み、バッテリ充電
を可能に構成したものである。したがって、外部電源端
子（バッテリ充電端子）はイヤホンマイク充電端子に兼
用されるので、イヤホンマイク端子の他に外部電源端子
を設ける必要がなくなり、移動通信機の一層の小型化を
図ることができる。また、外部電源端子が兼用されるの
で部品数が削減されコストの低減化を図ることができる
という効果もある。As described above, according to the present invention, in the mobile communication device, an alternating current is applied to the transmitter input of the earphone microphone terminal for connecting the receiver output to the earphone and the microphone output to the transmitter input. An earphone microphone in which a charging terminal function is added to the earphone microphone terminal by connecting a circuit unit that blocks a signal and prevents backflow, and further connects a control circuit that charges the battery while preventing overcharging to the circuit unit. A charging terminal is provided, and in addition to the earphone microphone device having an earphone and a microphone, a battery charging power supply unit having an AC adapter connected to the earphone microphone plug is inserted into the earphone microphone charging terminal to enable battery charging. Therefore, since the external power supply terminal (battery charging terminal) is also used as the earphone microphone charging terminal, it is not necessary to provide an external power supply terminal in addition to the earphone microphone terminal, and the mobile communication device can be further miniaturized. Further, since the external power supply terminal is also used, the number of parts can be reduced, and the cost can be reduced.
【図１】本発明によるバッテリ充電端子を兼ねるイヤホ
ンマイク端子を有する移動通信機の実施例を示す回路ブ
ロック図である。FIG. 1 is a circuit block diagram showing an embodiment of a mobile communication device having an earphone / microphone terminal which doubles as a battery charging terminal according to the present invention.
【図２】図１の移動通信機に装着するイヤホンマイク装
置およびバッテリ充電電源部の実施例を示す概略図であ
る。FIG. 2 is a schematic diagram showing an embodiment of an earphone microphone device and a battery charging power supply unit mounted on the mobile communication device of FIG.
【図３】従来のハンディホンの一例を示す回路図であ
る。FIG. 3 is a circuit diagram showing an example of a conventional handy phone.
１…アンテナ ２…受信部 ３…スピーカアンプ ５，９…直流阻止フィルタ ６…スピーカ ７…送信部 ８…マイクアンプ １０…抵抗 １１…イヤホンマイク充電端子 １２…マイク １３…コイル １４…ダイオード １５…制御回路 １６…バッテリ １７…表示部 １８，２１…イヤホンマイクプラグ １９…マイク ２０…イヤホン ２２…ＡＣアダプタ ２３…イヤホンマイク装置 ２４…バッテリ充電電源部 1 ... Antenna 2 ... Reception part 3 ... Speaker amplifier 5, 9 ... DC blocking filter 6 ... Speaker 7 ... Transmission part 8 ... Microphone amplifier 10 ... Resistor 11 ... Earphone microphone charging terminal 12 ... Microphone 13 ... Coil 14 ... Diode 15 ... Control Circuit 16 ... Battery 17 ... Display unit 18, 21 ... Earphone microphone plug 19 ... Microphone 20 ... Earphone 22 ... AC adapter 23 ... Earphone microphone device 24 ... Battery charging power supply unit
Claims (2)
にマイク出力を送信部入力に接続するためのイヤホンマ
イク端子の前記送信部入力に、交流信号を阻止するとと
もに逆流を防止する回路部を接続し、さらに前記回路部
に過充電を防止しつつバッテリ充電を行う制御回路を接
続することにより前記イヤホンマイク端子に充電端子機
能を付加したイヤホンマイク充電端子を有する移動通信
機と、 イヤホンおよびマイクを有するイヤホンマイク装置の他
にイヤホンマイクプラグにＡＣアダプタを接続したバッ
テリ充電電源部とを備え、 前記イヤホンマイク装置を前記イヤホンマイク充電端子
に差し込んだときは、イヤホンマイクによる送受話が行
え、前記バッテリ充電電源部を前記イヤホンマイク充電
端子に差し込んだときは、バッテリ充電を行えるように
構成したことを特徴とする移動通信機のバッテリ充電方
式。1. A circuit unit for blocking an AC signal and preventing backflow is connected to the transmitter input of an earphone microphone terminal for connecting a receiver output to an earphone and a microphone output to a transmitter input. A mobile communication device having an earphone / microphone charging terminal in which a charging terminal function is added to the earphone / microphone terminal by connecting a control circuit for charging the battery while preventing overcharging to the circuit section, and an earphone and a microphone In addition to the earphone / microphone device, a battery charging power supply unit in which an AC adapter is connected to the earphone / microphone plug is provided, and when the earphone / microphone device is inserted into the earphone / microphone charging terminal, transmission / reception can be performed by the earphone / microphone to charge the battery. When the power supply is plugged into the earphone microphone charging terminal, the battery is charged. Battery charging method of a mobile communication device, characterized by being configured so as to enable.
の充電状態を表示する表示部を備えたことを特徴とする
請求項１記載の移動通信機のバッテリ充電方式。2. The battery charging system for a mobile communication device according to claim 1, further comprising a display unit for displaying a charge state of the battery according to a signal from the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6045245A JPH07231293A (en) | 1994-02-18 | 1994-02-18 | Battery charging system for mobile communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6045245A JPH07231293A (en) | 1994-02-18 | 1994-02-18 | Battery charging system for mobile communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07231293A true JPH07231293A (en) | 1995-08-29 |
Family
ID=12713882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6045245A Pending JPH07231293A (en) | 1994-02-18 | 1994-02-18 | Battery charging system for mobile communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07231293A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030090299A (en) * | 2002-05-22 | 2003-11-28 | 엘지전자 주식회사 | The mobile phone |
| KR20040022496A (en) * | 2002-09-09 | 2004-03-16 | 삼신이노텍 주식회사 | Cellulan phone battery with built in wireless switching device for wireless eanmicrophone |
| KR100480261B1 (en) * | 2002-05-08 | 2005-04-06 | 삼성전자주식회사 | Apparatus for supplying power to mobile phone using earphone-microphone connector |
| KR100819270B1 (en) * | 2002-06-03 | 2008-04-02 | 삼성전자주식회사 | Earmicrophone apparatus for supplying power to a mobile terminal and the mobile terminal |
| CN106537932A (en) * | 2014-07-23 | 2017-03-22 | 三星电子株式会社 | Earset and earset operation method |
-
1994
- 1994-02-18 JP JP6045245A patent/JPH07231293A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100480261B1 (en) * | 2002-05-08 | 2005-04-06 | 삼성전자주식회사 | Apparatus for supplying power to mobile phone using earphone-microphone connector |
| KR20030090299A (en) * | 2002-05-22 | 2003-11-28 | 엘지전자 주식회사 | The mobile phone |
| KR100819270B1 (en) * | 2002-06-03 | 2008-04-02 | 삼성전자주식회사 | Earmicrophone apparatus for supplying power to a mobile terminal and the mobile terminal |
| KR20040022496A (en) * | 2002-09-09 | 2004-03-16 | 삼신이노텍 주식회사 | Cellulan phone battery with built in wireless switching device for wireless eanmicrophone |
| CN106537932A (en) * | 2014-07-23 | 2017-03-22 | 三星电子株式会社 | Earset and earset operation method |
| US10225642B2 (en) | 2014-07-23 | 2019-03-05 | Samsung Electronics Co., Ltd. | Earset and earset operation method |
| CN106537932B (en) * | 2014-07-23 | 2019-05-28 | 三星电子株式会社 | Earphone and earphone operating method |
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