JPS59183053U - In-vehicle radio speaker circuit - Google Patents
In-vehicle radio speaker circuitInfo
- Publication number
- JPS59183053U JPS59183053U JP1983076061U JP7606183U JPS59183053U JP S59183053 U JPS59183053 U JP S59183053U JP 1983076061 U JP1983076061 U JP 1983076061U JP 7606183 U JP7606183 U JP 7606183U JP S59183053 U JPS59183053 U JP S59183053U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- vehicle radio
- output terminal
- audio output
- speaker circuit
- 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)
- Circuits Of Receivers In General (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図は従来の無線機のブロック図、第２図は本考案に
よる無線機のブロック図、第３図は本考案の無線機の接
続例である。
１：中間周波増幅器、２：弁別器、３：スケルチ回路、
４：スイッチ、５：音声増幅器、６：スピーカ、７：リ
レー駆動回路、８：リレー、９：入力端子、１０：出力
端子。FIG. 1 is a block diagram of a conventional radio device, FIG. 2 is a block diagram of a radio device according to the present invention, and FIG. 3 is a connection example of the radio device according to the present invention. 1: intermediate frequency amplifier, 2: discriminator, 3: squelch circuit,
4: Switch, 5: Audio amplifier, 6: Speaker, 7: Relay drive circuit, 8: Relay, 9: Input terminal, 10: Output terminal.
Claims (1)
回路と、音声出力端子を有する車載無線機において、前
記音声出力端子に前記スケルチ回路のスケルチ信号によ
って動作するリレーを設け、このリレーのコモン接点を
外部に設けたスピーカに、常時閉接点を外部に設けた機
器の音声入力端子に、常時開接点を前記音声出力端子に
それぞれ接続したことを特徴とする車載無線機のスピー
カ回路。In an in-vehicle wireless device having a squelch circuit that connects and disconnects an audio circuit of the wireless device in response to an incoming signal, and an audio output terminal, the audio output terminal is provided with a relay operated by the squelch signal of the squelch circuit, and a common contact of this relay is provided. A speaker circuit for an in-vehicle radio, characterized in that a normally closed contact is connected to an externally provided speaker, a normally closed contact is connected to an externally provided audio input terminal of the device, and a normally open contact is connected to the audio output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983076061U JPS59183053U (en) | 1983-05-23 | 1983-05-23 | In-vehicle radio speaker circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983076061U JPS59183053U (en) | 1983-05-23 | 1983-05-23 | In-vehicle radio speaker circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59183053U true JPS59183053U (en) | 1984-12-06 |
Family
ID=30206113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983076061U Pending JPS59183053U (en) | 1983-05-23 | 1983-05-23 | In-vehicle radio speaker circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59183053U (en) |
-
1983
- 1983-05-23 JP JP1983076061U patent/JPS59183053U/en active Pending
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