JPH0485998U - - Google Patents

Info

Publication number
JPH0485998U
JPH0485998U JP12873390U JP12873390U JPH0485998U JP H0485998 U JPH0485998 U JP H0485998U JP 12873390 U JP12873390 U JP 12873390U JP 12873390 U JP12873390 U JP 12873390U JP H0485998 U JPH0485998 U JP H0485998U
Authority
JP
Japan
Prior art keywords
high frequency
speaker
protection circuit
connection line
activated
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
JP12873390U
Other languages
English (en)
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 filed Critical
Priority to JP12873390U priority Critical patent/JPH0485998U/ja
Publication of JPH0485998U publication Critical patent/JPH0485998U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案に係るスピーカ保護回路の一実
施例を示す電子回路図である。 1……アンプ、2……スピーカ保護リレー、3
……高周波検出回路、5……スピーカ。

Claims (1)

  1. 【実用新案登録請求の範囲】 アンプとスピーカとの接続ライン中に、該ライ
    ンを開放し得るリレー手段と、高周波検出手段を
    設け、 上記高周波検出手段の高周波信号の検出に基づ
    いて上記リレー手段を動作させ、上記接続ライン
    を開放するように構成した事を特徴とするスピー
    カ保護回路。
JP12873390U 1990-11-29 1990-11-29 Pending JPH0485998U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12873390U JPH0485998U (ja) 1990-11-29 1990-11-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12873390U JPH0485998U (ja) 1990-11-29 1990-11-29

Publications (1)

Publication Number Publication Date
JPH0485998U true JPH0485998U (ja) 1992-07-27

Family

ID=31876178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12873390U Pending JPH0485998U (ja) 1990-11-29 1990-11-29

Country Status (1)

Country Link
JP (1) JPH0485998U (ja)

Similar Documents

Publication Publication Date Title
JPH0485998U (ja)
JPH02817U (ja)
JPS6142690U (ja) 声または息による呼出装置
JPS59187881U (ja) 物体接近警報装置
JPS59174678U (ja) 物体接近警報装置
JPH0440300U (ja)
JPS5933384U (ja) 目覚し機能付ヘツドフオン出力回路を有する音響機器
JPH0394865U (ja)
JPH01153785U (ja)
JPS59174679U (ja) 物体接近警報装置
JPH0266018U (ja)
JPS59174692U (ja) 物体接近警報装置
JPS5978762U (ja) ワ−ニングト−ン送出時のクリツク音防止回路
JPS61195693U (ja)
JPH02111898U (ja)
JPH0328896U (ja)
JPH0358099U (ja)
JPS59187883U (ja) 物体接近警報装置
JPS6440999U (ja)
JPH02141115U (ja)
JPS6234891U (ja)
JPH03121559U (ja)
JPS59106750U (ja) 車載用の音響発生装置
JPS63117138U (ja)
JPH0389503U (ja)