JPS59177211U - Pop noise prevention device for car stereo system - Google Patents

Pop noise prevention device for car stereo system

Info

Publication number
JPS59177211U
JPS59177211U JP7109383U JP7109383U JPS59177211U JP S59177211 U JPS59177211 U JP S59177211U JP 7109383 U JP7109383 U JP 7109383U JP 7109383 U JP7109383 U JP 7109383U JP S59177211 U JPS59177211 U JP S59177211U
Authority
JP
Japan
Prior art keywords
relay
prevention device
noise prevention
stereo system
pop noise
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
JP7109383U
Other languages
Japanese (ja)
Inventor
梅田　典宏
Original Assignee
フオスタ−電機株式会社
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 フオスタ−電機株式会社 filed Critical フオスタ−電機株式会社
Priority to JP7109383U priority Critical patent/JPS59177211U/en
Publication of JPS59177211U publication Critical patent/JPS59177211U/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 the drawing]

第１図は本考案の一実施例を示す具体的回路図、第２図
はその動作説明図である。 Ａ・・・オーディオ機器、Ｂ・・・バッテリ、ＳＷ・・
・・・・キースイッチ、ＲＬｌ、ＲＬ２・・・・・・リ
レー、Ｑ・・・・・・トランジスタ、Ｄ工、Ｄ２・・・
・・・ダイオード、Ｒ１・・・・・・抵Ｌ　Ｃｔ、　Ｃ
２・・・・・・コンデンサ。FIG. 1 is a specific circuit diagram showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram of its operation. A... Audio equipment, B... Battery, SW...
...Key switch, RLl, RL2...Relay, Q...Transistor, D engineering, D2...
...Diode, R1...Resistor L Ct, C
2... Capacitor.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）スピーカと直列に接続される接点を有する第１の
リレーと、オーディオ機器の電源端子をバッテリに直接
に接続する接点を有する第２のリレーとを備え、前記第
１のリレーにはキースイッチの投入後一定時間経過後に
動作し、かつ前記キースイッチの遮断と同時に復帰する
駆動回路を設け、前記第２のリレーには前記キースイッ
チの投入と同時に動作し、かつ前記キースイッチの遮断
後一定時間経過後に復帰する駆動回路を設けてなる車載
用ステレオシステムのポツプノイズ防止装置。(1) A first relay having a contact connected in series with a speaker, and a second relay having a contact directly connecting a power terminal of an audio device to a battery, and the first relay has a key. The second relay is provided with a drive circuit that operates after a certain period of time has elapsed after the switch is turned on and returns at the same time as the key switch is turned off, and the second relay has a drive circuit that operates at the same time as the key switch is turned on and after the key switch is turned off. A pop noise prevention device for a car stereo system that is equipped with a drive circuit that returns after a certain period of time. （２）キースイッチと直列にオーディオ機器の電源スィ
ッチを接続してなる実用新案登録請求の範囲第１項記載
の車載用ステレオシステムのポツプノイズ防止装置。(2) A pop noise prevention device for a vehicle stereo system as set forth in claim 1, which is a utility model registration claim, which comprises a key switch and a power switch of an audio device connected in series.
JP7109383U 1983-05-11 1983-05-11 Pop noise prevention device for car stereo system Pending JPS59177211U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7109383U JPS59177211U (en) 1983-05-11 1983-05-11 Pop noise prevention device for car stereo system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7109383U JPS59177211U (en) 1983-05-11 1983-05-11 Pop noise prevention device for car stereo system

Publications (1)

Publication Number Publication Date
JPS59177211U true JPS59177211U (en) 1984-11-27

Family

ID=30201243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7109383U Pending JPS59177211U (en) 1983-05-11 1983-05-11 Pop noise prevention device for car stereo system

Country Status (1)

Country Link
JP (1) JPS59177211U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6312914U (en) * 1986-06-30 1988-01-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6312914U (en) * 1986-06-30 1988-01-28

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