WO2001052505A1 - Portable radio phone with winding cord type earphone - Google Patents

Portable radio phone with winding cord type earphone Download PDF

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Publication number
WO2001052505A1
WO2001052505A1 PCT/JP2000/009433 JP0009433W WO0152505A1 WO 2001052505 A1 WO2001052505 A1 WO 2001052505A1 JP 0009433 W JP0009433 W JP 0009433W WO 0152505 A1 WO0152505 A1 WO 0152505A1
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WO
WIPO (PCT)
Prior art keywords
earphone
telephone
portable wireless
cord
wireless telephone
Prior art date
Application number
PCT/JP2000/009433
Other languages
French (fr)
Japanese (ja)
Inventor
Masahisa Masuda
Original Assignee
Micro M's Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Micro M's Inc. filed Critical Micro M's Inc.
Priority to AU2001222314A priority Critical patent/AU2001222314A1/en
Publication of WO2001052505A1 publication Critical patent/WO2001052505A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/15—Protecting or guiding telephone cords
    • 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

Definitions

  • the present invention relates to a portable wireless telephone in which a take-up cord type earphone is attached to a portable telephone or a cordless telephone subunit for home use.
  • FIG. 3 shows the mobile phone 100.
  • 10 is a speaker
  • 60 is a microphone
  • 70 is an earphone connector
  • 90 is an antenna unit
  • 91 is an antenna body.
  • the jack 82 of the earphone 80 is attached to the earphone connector 70 so that the earphone can listen to the signal.
  • the earphone 80 and the mobile phone 100 are separated, it is necessary to take out the earphone from a storage device that stores the earphone and attach it when using it. They may also forget where they are stored.
  • the cord 81 between the earphone 80 and its jack 82 is also long, so it is cumbersome to store.
  • the present invention has been made in view of the foregoing, and has as its object to separate a portable radiotelephone such as a portable telephone from an earphone without separating the earphone without using the earphone.
  • the present invention is to provide a radio telephone characterized in that the radio telephone is detachably housed in the telephone and the code can be wound up in the radio telephone. Disclosure of the invention
  • a portable wireless telephone having a take-up cord type earphone according to the present invention is a portable wireless telephone having a speaker and a microphone.
  • An earphone an earphone support provided on a side surface of the wireless telephone for storing the earphone and supporting the same in a detachable manner, and a contact caused by pressure at the tip of the earphone when the earphone is set in the support.
  • a short-circuited earphone sensing mechanism an ON / OFF state of the earphone sensing contact, a switch control unit that outputs a switch control signal corresponding to the input, and a first output terminal connected to the earphone and the speaker.
  • a switching switch provided with a second output terminal to be connected, and an audio reception signal input terminal connected to one of them according to the switch control signal; and a wireless telephone for winding up a cord of the earphone. And a cord take-up mechanism provided in the apparatus.
  • the portable wireless telephone is a mobile telephone.
  • the portable wireless telephone is characterized in that it is a home cordless telephone handset.
  • FIG. 1 (a) is a front view of a mobile phone according to an embodiment of the present invention, (b) is a side cross-sectional view, (c) is a rear cross-sectional view, and an earphone is set on a side.
  • FIG. 2 is a diagram showing a rear cross-sectional view of the mobile phone of the present invention, showing a state in which an earphone is taken out, and
  • FIG. 3 is a diagram showing a conventional mobile phone.
  • FIG. 1 (a) is a front view of the mobile phone 100
  • FIG. 1 (b) is a side view thereof
  • FIG. 1 (c) is a rear view thereof.
  • the upper part is shown in cross section.
  • the cross-sectional view of (b) is stored from the side of the speaker 10 fixed to the front, and the side.
  • the position of the tip 80 a of the earphone 80 supported on the side surface and the position of the antenna body 91 of the antenna 90 are shown.
  • the cross-sectional view of (c) shows that the earphone 80 is provided with an earphone support portion 15 formed in an opening shape on the side surface of the mobile phone 100, and the earphone 80 is detachably attached to the earphone support portion 15. Indicates a state where is supported. 15 is formed of an elastic member.
  • the cord 81 connected to the earphone 80 is shown as being wound by the cord winding mechanism 20.
  • Reference numeral 30 denotes an earphone sensing mechanism.
  • the earphone tip 80 a is piled on the spring 33 and pushes the contact short-circuit plate 32, and as a result, Short the earphone sensing contact 3 1.
  • Reference numeral 35 denotes a switch control unit, which determines ON / OFF of the sensing contact connection terminals 36 and 37, and outputs a corresponding signal from the control signal output terminal 38 when ON.
  • Reference numeral 40 denotes a changeover switch, the first output terminal 4 of which is connected to the earphone 80, the second output terminal 42 of which is connected to the speaker 10, and the input terminal 43 of which receives the cellular phone 100.
  • This is a receiving audio signal input terminal for inputting the signal 50 of FM detection of electromagnetic waves.
  • Control signal output The signal from terminal 38 is received by control signal input terminal 44, and when sensing contact connection terminals 36, 37 are ON, input terminal 43 connects to second output terminal 42. When the sensing contact connection terminals 36 and 37 are OFF, the input terminal 43 is controlled to be connected to the first output terminal 41.
  • FIG. 2 shows a case where the earphone 80 is detached from the earphone support portion 15 and the earphone 80 is used to release sound.
  • the spring 33 extends and the contact short-circuit plate 32 is separated from the earphone sensing contact 31, and the sensing contact connection terminals 36, 37 of the switch control unit 35 are turned off, and the control signal is output.
  • the operation when using the earphone 80 is as follows.
  • the cord 81 is wound up by the winding panel at the center of the cord winding mechanism 20 until the earphone 80 is set in the earphone support 15. 1 is wound up.
  • the tip 80a of the earphone 80 pushes the contact short-circuiting plate 32, and the switch control unit 35 is in the ON state. Therefore, the switching switch 40 is connected to the speaker 10, and the sound is output from the speaker 10. Is output.
  • the switch control unit 35 enters the OFF state. Therefore, the switching switch 40 is connected to the earphone 80, and a sound is output from the earphone 80.
  • the speed is automatically switched to the speed.
  • a manual switch may be provided instead of the switch 40.
  • a manual short-circuit switch may be provided in the switch control unit.
  • the present invention can be applied not only to the earphone but also to a bone conduction microphone earphone in which a speaker and a microphone are incorporated in a piece.
  • the portable wireless telephone having the roll-up earphone according to the present invention has the following effects.
  • the earphone is removably supported and stored on the side of the portable wireless telephone, and its cord is wound up and stored in the telephone, so you can always switch from the speaker to the earphone and use the earphone. Can receive audio. There is no need to worry about forgetting the earphone storage device, and the cord storage area can be rolled up inside the phone, making it easier to use.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

A portable radio phone capable of detachably installing an earphone thereon and capable of eliminating various troublesome problems such that, when the earphone is desired to be used, a jack must be connected to a connector of the portable phone so as to switch from a speaker to the earphone and, in addition, eliminating such a problem that a user fails to carry the earphone together with the portable phone, wherein, a mechanism to wind up the cord of the earphone when the earphone is stored in the portable phone is provided therein.

Description

明 細 書 巻き取リコード式イヤホンを有する可搬型無線電話機 技術分野  Description Portable radiotelephone with rewindable earphones
本発明は巻き取りコ一ド式イヤホンを携帯電話機或は家庭用コードレス電話機子機な どに取付けた可搬型無線電話機に関する。 背景技術  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable wireless telephone in which a take-up cord type earphone is attached to a portable telephone or a cordless telephone subunit for home use. Background art
従来の携帯電話機は、 スピーカとマイクが携帯電話機内部に設けられているのが通常 である。第 3図にその携帯電話機 1 0 0を示す。ここで 1 0はスピーカ、 6 0はマイク、 7 0はイヤホンコネクタ、 9 0はアンテナ部、 9 1はアンテナ本体である。  In a conventional mobile phone, a speaker and a microphone are usually provided inside the mobile phone. FIG. 3 shows the mobile phone 100. Here, 10 is a speaker, 60 is a microphone, 70 is an earphone connector, 90 is an antenna unit, and 91 is an antenna body.
イヤホン 8 0で受信オーディオ信号を聞けないときはイヤホン 8 0のジャック 8 2を イヤホンコネクタ 7 0に装着すると、 イヤホンで聞くことができるようになつていた。 しかしながら、 イヤホン 8 0と携帯電話機 1 0 0は分離されているので、 使用すると きにはイヤホンを保管している収納具などから取出して装着する必要がある。 また、 そ の保管場所を忘れる場合もある。 イヤホン 8 0とそのジャック 8 2との間のコード 8 1 も長いので収納が面倒である。  When the earphone 80 cannot hear the received audio signal, the jack 82 of the earphone 80 is attached to the earphone connector 70 so that the earphone can listen to the signal. However, since the earphone 80 and the mobile phone 100 are separated, it is necessary to take out the earphone from a storage device that stores the earphone and attach it when using it. They may also forget where they are stored. The cord 81 between the earphone 80 and its jack 82 is also long, so it is cumbersome to store.
本発明は前述した点に鑑みてなされたものであり、 その目的とするところは、 携帯電 話機のような可搬型無線電話機とイヤホンを分離せずに一体としてイヤホンを使用しな いときには無線電話機内に着脱自在に収納し、 そのコ一ドをその無線電話機内で巻き取 られるようにしたことを特徴とする無線電話機を提供することにある。 発明の開示 本発明の巻き取りコ一ド式イヤホンを有する可搬型無線電話機は、 スピーカとマイク を備えた可搬型無線電話機において、 SUMMARY OF THE INVENTION The present invention has been made in view of the foregoing, and has as its object to separate a portable radiotelephone such as a portable telephone from an earphone without separating the earphone without using the earphone. The present invention is to provide a radio telephone characterized in that the radio telephone is detachably housed in the telephone and the code can be wound up in the radio telephone. Disclosure of the invention A portable wireless telephone having a take-up cord type earphone according to the present invention is a portable wireless telephone having a speaker and a microphone.
イヤホンと、 そのイヤホンを収納して、 着脱自在に支持するための前記無線電話機の 側面に設けられたイヤホン支持部と、 そのイヤホンが支持部にセッ卜されているときの イヤホン先端の圧力により接点が短絡するイヤホン感知機構と、 そのイヤホン感知接点 の O N ■ O F F状態を入力して、 それに対応したスィッチ制御信号を出力するスィッチ 制御部と、 前記イヤホンに接続する第 1の出力端子及び前記スピーカに接続する第 2の 出力端子を設け、 前記スィッチ制御信号によりそれらのいずれか一方に接続するオーデ ィォ受信信号入力端子を設けた切換スィッチと、 前記イヤホンのコードを巻き取るため の前記無線電話機内に設けられたコード巻き取り機構とを具備することを特徴とする。 また、 前記可搬型無線電話機は携帯電話機であることを特徴とする。  An earphone, an earphone support provided on a side surface of the wireless telephone for storing the earphone and supporting the same in a detachable manner, and a contact caused by pressure at the tip of the earphone when the earphone is set in the support. A short-circuited earphone sensing mechanism, an ON / OFF state of the earphone sensing contact, a switch control unit that outputs a switch control signal corresponding to the input, and a first output terminal connected to the earphone and the speaker. A switching switch provided with a second output terminal to be connected, and an audio reception signal input terminal connected to one of them according to the switch control signal; and a wireless telephone for winding up a cord of the earphone. And a cord take-up mechanism provided in the apparatus. Further, the portable wireless telephone is a mobile telephone.
また、前記可搬型無線電話機は家庭用コ一ドレス電話機子機であることを特徵とする。 図面の簡単な説明  Further, the portable wireless telephone is characterized in that it is a home cordless telephone handset. BRIEF DESCRIPTION OF THE FIGURES
第 1図は、 （a ) は本発明の一実施例である携帯電話機の正面図で、 （b ) は側面断面 図で、 （c ) は裏面断面図で、 イヤホンを側面にセッ卜した状態を示し、 第 2図は、 本発 明の携帯電話機の裏面断面図を示す図で、 イヤホンを取出した状態を示し、 第 3図は、 従来の携帯電話機を示す図である。 発明を実施するための最良の形態  1 (a) is a front view of a mobile phone according to an embodiment of the present invention, (b) is a side cross-sectional view, (c) is a rear cross-sectional view, and an earphone is set on a side. FIG. 2 is a diagram showing a rear cross-sectional view of the mobile phone of the present invention, showing a state in which an earphone is taken out, and FIG. 3 is a diagram showing a conventional mobile phone. BEST MODE FOR CARRYING OUT THE INVENTION
以下、 本発明の実施の形態について図面を参照して具体的に説明する。  Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
第 1図 （a ) は携帯電話機 1 0 0の正面図、 （b ) はその側面図、 （c ) は裏面図であ る。 （b ) の側面図と （c ) の裏面図は上部部分が断面図で示されている。  FIG. 1 (a) is a front view of the mobile phone 100, FIG. 1 (b) is a side view thereof, and FIG. 1 (c) is a rear view thereof. In the side view of (b) and the back view of (c), the upper part is shown in cross section.
( b ) の断面図は、 正面に固定されたスピーカ 1 0の側面、 側面から収納され、 その 側面に支持されたイヤホン 8 0の先端部 8 0 a、 アンテナ部 9 0のアンテナ本体 9 1の 位置を示す。 The cross-sectional view of (b) is stored from the side of the speaker 10 fixed to the front, and the side. The position of the tip 80 a of the earphone 80 supported on the side surface and the position of the antenna body 91 of the antenna 90 are shown.
( c ) の断面図は、 イヤホン 8 0が携帯電話機 1 0 0の側面に開孔状に形成されたィ ャホン支持部 1 5が設けられ、 そのイヤホン支持部 1 5に着脱自在にイヤホン 8 0が支 持されている状態を示す。 1 5は弾力性のある部材で形成される。  The cross-sectional view of (c) shows that the earphone 80 is provided with an earphone support portion 15 formed in an opening shape on the side surface of the mobile phone 100, and the earphone 80 is detachably attached to the earphone support portion 15. Indicates a state where is supported. 15 is formed of an elastic member.
イヤホン 8 0に接続されているコード 8 1はコード巻き取り機構 2 0により巻き取ら れた状態を示してある。  The cord 81 connected to the earphone 80 is shown as being wound by the cord winding mechanism 20.
3 0はイヤホン感知機構であり、 前記イヤホン 8 0がイヤホン支持部 1 5にセッ卜さ れたときには、 イヤホン先端 8 0 aがスプリング 3 3に杭して接点短絡板 3 2を押し、 その結果イヤホン感知接点 3 1を短絡させる。  Reference numeral 30 denotes an earphone sensing mechanism. When the earphone 80 is set in the earphone support 15, the earphone tip 80 a is piled on the spring 33 and pushes the contact short-circuit plate 32, and as a result, Short the earphone sensing contact 3 1.
3 5はスィッチ制御部であり、 感知接点接続端子 3 6、 3 7からその O N ■ O F Fを 判断し、 O Nのときは制御信号出力端子 3 8よりそれに対応する信号を出力する。  Reference numeral 35 denotes a switch control unit, which determines ON / OFF of the sensing contact connection terminals 36 and 37, and outputs a corresponding signal from the control signal output terminal 38 when ON.
4 0は切換スィッチであり、 その第 1の出力端子 4はイヤホン 8 0へ接続し、 第 2の 出力端子 4 2はスピーカ 1 0に接続し、 入力端子 4 3は携帯電話機 1 0 0の受信電磁波 を F M検波した信号 5 0を入力する受信オーディオ信号入力端子である。 制御信号出力 端子 3 8からの信号を制御信号入力端子 4 4で受けて、 感知接点接続端子 3 6、 3 7が O Nのときは、 入力端子 4 3が第 2の出力端子 4 2に接続するように制御され、 また感 知接点接続端子 3 6、 3 7が O F Fのときは入力端子 4 3が第 1の出力端子 4 1に接続 するように制御される。  Reference numeral 40 denotes a changeover switch, the first output terminal 4 of which is connected to the earphone 80, the second output terminal 42 of which is connected to the speaker 10, and the input terminal 43 of which receives the cellular phone 100. This is a receiving audio signal input terminal for inputting the signal 50 of FM detection of electromagnetic waves. Control signal output The signal from terminal 38 is received by control signal input terminal 44, and when sensing contact connection terminals 36, 37 are ON, input terminal 43 connects to second output terminal 42. When the sensing contact connection terminals 36 and 37 are OFF, the input terminal 43 is controlled to be connected to the first output terminal 41.
第 2図はイヤホン 8 0をイヤホン支持部 1 5から取りはずして、 イヤホン 8 0を使用 して音声を間く場合を示す。 第 2図の場合はスプリング 3 3が延びて接点短絡板 3 2を イヤホン感知接点 3 1より引き離し、 スィッチ制御部 3 5の感知接点接続端子 3 6、 3 7は O F F状態となり、 その制御信号出力端子 3 8より切換スィツチ 4 0の制御信号入 力端子 4 4に送り、 出力端子 4 1ヘスイッチ切換を行い受信オーディオ信号をイヤホン 8 0に送信している状態を示す。 FIG. 2 shows a case where the earphone 80 is detached from the earphone support portion 15 and the earphone 80 is used to release sound. In the case of Fig. 2, the spring 33 extends and the contact short-circuit plate 32 is separated from the earphone sensing contact 31, and the sensing contact connection terminals 36, 37 of the switch control unit 35 are turned off, and the control signal is output. Send the control signal input terminal 44 of the switching switch 40 from the terminal 3 8 to the output terminal 41 and switch the switch to the output terminal 41 to receive the audio signal through the earphone. 80 indicates the transmitting state.
イヤホン 8 0を使用するときの動作は以下のようになる。 イヤホン 8 0を使用しない ときはそのコード 8 1はコード巻き取り機構 2 0の中心にある巻き取りパネにより巻き 取られ、 イヤホン 8 0がイヤホン支持部 1 5にセッ卜されるまでコ一ド 8 1は巻き取ら れている。 同時にイヤホン 8 0の先端 8 0 aは接点短絡板 3 2を押してスィッチ制御部 3 5は O Nの状態となっており、従って、切換スィッチ 4 0はスピーカ 1 0に接続され、 スピーカ 1 0から音声が出力される。  The operation when using the earphone 80 is as follows. When the earphone 80 is not used, the cord 81 is wound up by the winding panel at the center of the cord winding mechanism 20 until the earphone 80 is set in the earphone support 15. 1 is wound up. At the same time, the tip 80a of the earphone 80 pushes the contact short-circuiting plate 32, and the switch control unit 35 is in the ON state. Therefore, the switching switch 40 is connected to the speaker 10, and the sound is output from the speaker 10. Is output.
ここで、 イヤホン 8 0で音声を聞くときは、 イヤホン 8 0をイヤホン支持部 1 5より 取り出す。 この時、 スプリング 3 3は延びて接点短絡板 3 2をイヤホン感知接点 3 1よ り引き離し、 スィッチ制御部 3 5は O F Fの状態となる。 よって切換スィッチ 4 0はィ ャホン 8 0に接続され、 イヤホン 8 0から音声が出力される。  Here, when listening to the sound with the earphone 80, take out the earphone 80 from the earphone support part 15. At this time, the spring 33 extends and separates the contact short-circuit plate 32 from the earphone sensing contact 31, and the switch control unit 35 enters the OFF state. Therefore, the switching switch 40 is connected to the earphone 80, and a sound is output from the earphone 80.
なお、 この実施例は、 イヤホンを収納すると自動的にスピ一力に切換えるようになつ ているが、 切換スィッチ 4 0の代りに手動の切換スィッチを設けてもよい。 また、 スィ ツチ制御部に手動の短絡スィッチを設けてもよい。  In this embodiment, when the earphone is stored, the speed is automatically switched to the speed. However, a manual switch may be provided instead of the switch 40. Further, a manual short-circuit switch may be provided in the switch control unit.
本発明の技術的思想によれば、 イヤホンだけではなく、 ィャ一ピースにスピーカとマ イクを組み込んだ、 例えば骨伝導マイクイヤホンにも本発明を適用できることはいうま でもない。 産業上の利用可能性  According to the technical idea of the present invention, it goes without saying that the present invention can be applied not only to the earphone but also to a bone conduction microphone earphone in which a speaker and a microphone are incorporated in a piece. Industrial applicability
本発明の巻き取リコ一ド式イヤホンを有する可搬型無線電話機は以下のような効果を 奏する。  The portable wireless telephone having the roll-up earphone according to the present invention has the following effects.
イヤホンが可搬型無線電話機側面に着脱自在に支持収納されるようになつており、 そ のコードも巻き取られ電話機内に収納されるようになっているので、 いつでもスピーカ からイヤホンに切換えてイヤホンで音声を受信できる。 イヤホンの収納具を忘れる心配はなく、 コードの収納場所も電話機内に巻き取られる ので使用しやすくなる。 The earphone is removably supported and stored on the side of the portable wireless telephone, and its cord is wound up and stored in the telephone, so you can always switch from the speaker to the earphone and use the earphone. Can receive audio. There is no need to worry about forgetting the earphone storage device, and the cord storage area can be rolled up inside the phone, making it easier to use.

Claims

請 求 の 範 囲 The scope of the claims
1 . スピーカとマイクを備えた可搬型無線電話機において、 1. In a portable radio telephone equipped with a speaker and a microphone,
イヤホンと、 そのイヤホンを収納して、 着脱自在に支持するための前記無線電話機の 側面に設けられたイヤホン支持部と、 そのイヤホンが支持部にセッ卜されているときの ィャホン先端の圧力によリ接点が短絡するィャホン感知機構と、 そのィャホン感知接点 の O N ■ O F F状態を入力して、 それに対応したスィッチ制御信号を出力するスィッチ 制御部と、 前記イヤホンに接続する第 1の出力端子及び前記スピーカに接続する第 2の 出力端子を設け、 前記スィッチ制御信号によりそれらのいずれか一方に接続するオーデ ィォ受信信号入力端子を設けた切換スィッチと、 前記イヤホンのコードを巻き取るため の前記無線電話機内に設けられたコード巻き取り機構とを具備することを特徴とする巻 き取りコード式イヤホンを有する可搬型無線電話機。  An earphone, an earphone support provided on a side surface of the wireless telephone for housing the earphone and detachably supporting the earphone, and a pressure at the tip of the earphone when the earphone is set in the support. A earphone sensing mechanism in which the rear contact is short-circuited, a switch control unit for inputting the ON / OFF state of the earphone sensing contact and outputting a corresponding switch control signal, a first output terminal connected to the earphone, and A switching switch provided with a second output terminal connected to a speaker, and an audio reception signal input terminal connected to one of them according to the switch control signal; and the radio for winding up a cord of the earphone A portable wireless device having a winding cord type earphone, comprising a cord winding mechanism provided in a telephone. Line telephone.
2 . 前記可搬型無線電話機は携帯電話機であることを特徴とする請求の範囲第 1項記載 の巻き取リコ一ド式イヤホンを有する可搬型無線電話機。  2. The portable wireless telephone having a roll-up earphone according to claim 1, wherein the portable wireless telephone is a mobile telephone.
3 . 前記可搬型無線電話機は家庭用コードレス電話機子機であることを特徴とする請求 の範囲第 1項記載の巻き取リコ一ド式イヤホンを有する可搬型無線電話機。  3. The portable wireless telephone having a roll-up earphone according to claim 1, wherein the portable wireless telephone is a home cordless telephone handset.
PCT/JP2000/009433 2000-01-13 2000-12-28 Portable radio phone with winding cord type earphone WO2001052505A1 (en)

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AU2001222314A AU2001222314A1 (en) 2000-01-13 2000-12-28 Portable radio phone with winding cord type earphone

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JP2000/4876 2000-01-13
JP2000004876A JP2001197180A (en) 2000-01-13 2000-01-13 Portable radio telephone set having take-up cord type earphone

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AU (1) AU2001222314A1 (en)
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SG120211A1 (en) * 2004-08-12 2006-03-28 Guo Hefang Two-way audio communication device and method of manufacturing

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Publication number Priority date Publication date Assignee Title
KR20030051916A (en) * 2001-12-20 2003-06-26 엘지전자 주식회사 mobile communication terminal system having a detachable ear-mic
US8688174B2 (en) * 2012-03-13 2014-04-01 Telecommunication Systems, Inc. Integrated, detachable ear bud device for a wireless phone

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JPH07177208A (en) * 1993-12-17 1995-07-14 Matsushita Electric Ind Co Ltd Cordless telephone
JPH10190798A (en) * 1996-12-25 1998-07-21 Kokusai Electric Co Ltd Mobile object communication equipment
JPH1155369A (en) * 1997-08-06 1999-02-26 Murata Mach Ltd Portable telephone set
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JPH07177208A (en) * 1993-12-17 1995-07-14 Matsushita Electric Ind Co Ltd Cordless telephone
JPH10190798A (en) * 1996-12-25 1998-07-21 Kokusai Electric Co Ltd Mobile object communication equipment
JPH1155369A (en) * 1997-08-06 1999-02-26 Murata Mach Ltd Portable telephone set
GB2331889A (en) * 1997-11-28 1999-06-02 Nec Corp Cellular telephone having an additional earphone/microphone

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG120211A1 (en) * 2004-08-12 2006-03-28 Guo Hefang Two-way audio communication device and method of manufacturing

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AU2001222314A1 (en) 2001-07-24

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