JPS59114642U - vehicle radio - Google Patents

vehicle radio

Info

Publication number
JPS59114642U
JPS59114642U JP730783U JP730783U JPS59114642U JP S59114642 U JPS59114642 U JP S59114642U JP 730783 U JP730783 U JP 730783U JP 730783 U JP730783 U JP 730783U JP S59114642 U JPS59114642 U JP S59114642U
Authority
JP
Japan
Prior art keywords
vehicle
alarm sound
vehicle radio
microphone
emergency
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
Application number
JP730783U
Other languages
Japanese (ja)
Inventor
橋本 篤実
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP730783U priority Critical patent/JPS59114642U/en
Publication of JPS59114642U publication Critical patent/JPS59114642U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of drawings]

第1図は従来の自動車用ラジオのブロック線図、第2図
および第3図は本考案による自動車用ラジオの実施例を
示すブロック線図である。 1・・・・・・アンテナ、2・・・・・・高周波増幅回
路、3・・・・・・周波数混合回路、4・・・・・・中
間周波増幅回路、5・・・・・・検波回路、6・・・・
・・低周波増幅回路、7・・・・・・スピーカ、8・・
・・・・マイクロホン、9・・・・・・バンドパスフィ
ルタ、10・・・・・・スペクトラムアナライザ、11
・・・・・・記憶回路、12・・・・・・比較回路、1
3・・・・・・トランジスタ、14・・・・・・増幅回
路。
FIG. 1 is a block diagram of a conventional car radio, and FIGS. 2 and 3 are block diagrams showing embodiments of a car radio according to the present invention. 1... Antenna, 2... High frequency amplification circuit, 3... Frequency mixing circuit, 4... Intermediate frequency amplification circuit, 5... Detection circuit, 6...
...Low frequency amplifier circuit, 7...Speaker, 8...
...Microphone, 9...Band pass filter, 10...Spectrum analyzer, 11
...Memory circuit, 12...Comparison circuit, 1
3...transistor, 14...amplifier circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 車室外部に設置したマイクロホンと、該マイクロホンに
入力する車外音が緊急自動車の緊急警報音であると判別
したときは、警報音を出力する警報音出力手段とを有す
ることを特徴とする車両用ラジオ。
A vehicle for use in a vehicle characterized by having a microphone installed outside the vehicle interior, and an alarm sound output means for outputting an alarm sound when it is determined that the external sound input to the microphone is an emergency alarm sound of an emergency vehicle. radio.
JP730783U 1983-01-24 1983-01-24 vehicle radio Pending JPS59114642U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP730783U JPS59114642U (en) 1983-01-24 1983-01-24 vehicle radio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP730783U JPS59114642U (en) 1983-01-24 1983-01-24 vehicle radio

Publications (1)

Publication Number Publication Date
JPS59114642U true JPS59114642U (en) 1984-08-02

Family

ID=30138842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP730783U Pending JPS59114642U (en) 1983-01-24 1983-01-24 vehicle radio

Country Status (1)

Country Link
JP (1) JPS59114642U (en)

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