JPS5883849U - Mobile phone device - Google Patents
Mobile phone deviceInfo
- Publication number
- JPS5883849U JPS5883849U JP1981180251U JP18025181U JPS5883849U JP S5883849 U JPS5883849 U JP S5883849U JP 1981180251 U JP1981180251 U JP 1981180251U JP 18025181 U JP18025181 U JP 18025181U JP S5883849 U JPS5883849 U JP S5883849U
- Authority
- JP
- Japan
- Prior art keywords
- telephone device
- radio telephone
- speaker
- built
- portable radio
- 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
- Transceivers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の送受話器を示す斜視図、第2図は従来の
携帯無線電話装置の一例を示す回路図、第3図は本考案
に係る携帯無線電話装置の送受話器の例を示す斜視図、
第4図は本考案に係る携帯無線電話装置の一実施例を示
すブロック図、第5図は第4図に示したブロック図の具
体例を示す回路図、第6図は本考案に係る携帯無線電話
装置の他の実施例を示すブロック図、第7図は第6図に
示したブロック図の具体例を示す回路図である。
2・・・・・・電源端子、3・・・・・・検出制御回路
、4・・曲交流信号開閉回路、10・・・・・・本体装
置、11・・・品送受話器、月、J3・・・・・・多芯
コネクタジャック、pl、R3・・・・・・多芯コネク
タプラグ、J2・・・・・・イヤホンジャック、R2・
・・・・・イヤホンプラグ、M・・・・・・マイクロホ
ン、PTS・・・・・・ブレストークスイッチ、SPl
・・・・・・内蔵スピーカ、SR2・・・・・・外部ス
ピーカ、PA・・・・・・出力増幅器、cl、c2・・
・・・・コンデンサ、R1,R2・旧・・抵抗、TR1
〜TR4,TR5〜TR13・・・・・・トランジスタ
。
(II
オー1
l5P21
一一一」
第4図FIG. 1 is a perspective view showing a conventional handset, FIG. 2 is a circuit diagram showing an example of a conventional portable radio telephone device, and FIG. 3 is a perspective view showing an example of a handset of a portable radio telephone device according to the present invention. figure,
FIG. 4 is a block diagram showing an embodiment of the portable radio telephone device according to the present invention, FIG. 5 is a circuit diagram showing a specific example of the block diagram shown in FIG. 4, and FIG. FIG. 7 is a block diagram showing another embodiment of the wireless telephone device. FIG. 7 is a circuit diagram showing a specific example of the block diagram shown in FIG. 2... Power supply terminal, 3... Detection control circuit, 4... Song AC signal opening/closing circuit, 10... Main unit, 11... Product handset, month, J3...Multi-core connector jack, pl, R3...Multi-core connector plug, J2...Earphone jack, R2...
... Earphone plug, M ... Microphone, PTS ... Breathtalk switch, SPl
...Built-in speaker, SR2...External speaker, PA...Output amplifier, cl, c2...
... Capacitor, R1, R2, old... Resistor, TR1
~TR4, TR5~TR13...Transistors. (II O1 l5P21 111) Figure 4
Claims (2)
よび入力用マイクロホンをコネクタを介して接続可能な
携帯無線電話装置において、前記コネクタの接続状態を
検出する検出回路と、前記検出回路の検出結果に基づき
前記内蔵スピーカへの音声信号の伝達を遮断する交流信
号開閉回路とを具えたことを特徴とする携帯無線電話装
置。(1) In a mobile radio telephone device that has a built-in speaker and can be connected to an external speaker and an input microphone via a connector, a detection circuit that detects the connection state of the connector and a detection result of the detection circuit are provided. 1. A portable radio telephone device comprising: an alternating current signal switching circuit for blocking transmission of audio signals to the built-in speaker based on the built-in speaker.
き音声信号の相反する極性の半周期毎にそれぞれ順方向
にバイアスされて導通状態゛となるか不導通状態となる
2つのトランジスタを並列接続してなる実用新案登録請
求の範囲第(1)項記載の携帯無線電話装置。(2) The AC signal switching circuit consists of two transistors connected in parallel, each of which is biased in the forward direction and becomes conductive or non-conductive every half cycle of the opposite polarity of the audio signal based on the detection result of the detection circuit. A portable radio telephone device according to claim (1) of the utility model registration claim, which is connected to the portable radio telephone device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981180251U JPS5883849U (en) | 1981-12-03 | 1981-12-03 | Mobile phone device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981180251U JPS5883849U (en) | 1981-12-03 | 1981-12-03 | Mobile phone device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5883849U true JPS5883849U (en) | 1983-06-07 |
Family
ID=29976675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981180251U Pending JPS5883849U (en) | 1981-12-03 | 1981-12-03 | Mobile phone device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5883849U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62188524A (en) * | 1985-12-11 | 1987-08-18 | エリクソン ジーイー モービル コミュニケーションズ インコーポレーテッド | Portable wireless system with connector which facilitates external programming |
JPH01169838U (en) * | 1988-05-20 | 1989-11-30 |
-
1981
- 1981-12-03 JP JP1981180251U patent/JPS5883849U/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62188524A (en) * | 1985-12-11 | 1987-08-18 | エリクソン ジーイー モービル コミュニケーションズ インコーポレーテッド | Portable wireless system with connector which facilitates external programming |
JPH01169838U (en) * | 1988-05-20 | 1989-11-30 |
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