JPH0224647U - - Google Patents
Info
- Publication number
- JPH0224647U JPH0224647U JP1988102575U JP10257588U JPH0224647U JP H0224647 U JPH0224647 U JP H0224647U JP 1988102575 U JP1988102575 U JP 1988102575U JP 10257588 U JP10257588 U JP 10257588U JP H0224647 U JPH0224647 U JP H0224647U
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- microphone
- main body
- switching circuit
- input
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Transceivers (AREA)
Description
第１図は本考案の回路構成の一実施例の説明図
、第２図は従来例の説明図である。
１…スイツチ回路、２…無線機本体のプレスス
イツチ、４…スイツチ回路、５…無線機本体のマ
イク、６…外部送受話器のマイク・スピーカ、７
…外部送受話器のプレススイツチ。
FIG. 1 is an explanatory diagram of one embodiment of the circuit configuration of the present invention, and FIG. 2 is an explanatory diagram of a conventional example. 1...Switch circuit, 2...Press switch on the main body of the radio, 4...Switch circuit, 5...Microphone on the main body of the radio, 6...Microphone/speaker of the external handset, 7
…Press switch on external handset.
Claims (1)
いて、 前記外部送受話器にはマイク兼用スピーカと、
該スピーカ入出力信号を２回路に切替えるスイツ
チとを含み、スピーカをマイクロフオンとして使
用する際には該スピーカのボイスコイルを介して
無線機本体からのプレス信号を接地することによ
つて送信動作をさせ、且つ受信時には該スピーカ
に受信復調信号を入力するように構成したことを
特徴とする携帯無線機のマイク切替回路。[Scope of Claim for Utility Model Registration] When an external handset is added to the main body of a radio device, the external handset includes a speaker that also functions as a microphone,
It includes a switch that switches the input/output signal of the speaker to two circuits, and when the speaker is used as a microphone, the transmitting operation is performed by grounding the press signal from the main body of the radio via the voice coil of the speaker. 1. A microphone switching circuit for a portable radio device, characterized in that the microphone switching circuit is configured to input a received demodulated signal to the speaker at the time of reception.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988102575U JPH0623074Y2 (en) | 1988-08-02 | 1988-08-02 | Microphone switching circuit for portable radios |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988102575U JPH0623074Y2 (en) | 1988-08-02 | 1988-08-02 | Microphone switching circuit for portable radios |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0224647U true JPH0224647U (en) | 1990-02-19 |
| JPH0623074Y2 JPH0623074Y2 (en) | 1994-06-15 |
Family
ID=31332606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988102575U Expired - Lifetime JPH0623074Y2 (en) | 1988-08-02 | 1988-08-02 | Microphone switching circuit for portable radios |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623074Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838672U (en) * | 1981-09-08 | 1983-03-14 | 株式会社東芝 | Hydraulic elevator line filter mounting device |
-
1988
- 1988-08-02 JP JP1988102575U patent/JPH0623074Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838672U (en) * | 1981-09-08 | 1983-03-14 | 株式会社東芝 | Hydraulic elevator line filter mounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623074Y2 (en) | 1994-06-15 |
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