JPS58176437U - Emergency communication receiver - Google Patents

Emergency communication receiver

Info

Publication number
JPS58176437U
JPS58176437U JP7281182U JP7281182U JPS58176437U JP S58176437 U JPS58176437 U JP S58176437U JP 7281182 U JP7281182 U JP 7281182U JP 7281182 U JP7281182 U JP 7281182U JP S58176437 U JPS58176437 U JP S58176437U
Authority
JP
Japan
Prior art keywords
emergency communication
communication receiver
receiver
approximately equal
control signal
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
JP7281182U
Other languages
Japanese (ja)
Inventor
菅沢　一秀
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP7281182U priority Critical patent/JPS58176437U/en
Publication of JPS58176437U publication Critical patent/JPS58176437U/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]

図は、この考案の実施例である非常通信用受信機のブロ
ックダイアグラムである。The figure is a block diagram of an emergency communication receiver that is an embodiment of this invention.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 非常通信の情報用周波数にほぼ等しい主共振周波数と非
常通信のコントロール信号用周波数にほぼ等しい副共振
周波数とを有する機械的フィルタおよび該機械的フィル
タに接続され非常通信のコントロール信号により動作さ
れるコントロール回路を備え、非常通信が放送されたと
きコントロール回路が動作して受信機を非常通信情報を
受信する状態に切り換えることを特徴とする非常通信用
受信機。A mechanical filter having a main resonant frequency approximately equal to the information frequency of the emergency communication and a sub-resonant frequency approximately equal to the frequency of the control signal of the emergency communication, and a control connected to the mechanical filter and operated by the control signal of the emergency communication. 1. A receiver for emergency communication, comprising a circuit, and a control circuit operates to switch the receiver to a state for receiving emergency communication information when the emergency communication is broadcast.
JP7281182U 1982-05-20 1982-05-20 Emergency communication receiver Pending JPS58176437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7281182U JPS58176437U (en) 1982-05-20 1982-05-20 Emergency communication receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7281182U JPS58176437U (en) 1982-05-20 1982-05-20 Emergency communication receiver

Publications (1)

Publication Number Publication Date
JPS58176437U true JPS58176437U (en) 1983-11-25

Family

ID=30082355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7281182U Pending JPS58176437U (en) 1982-05-20 1982-05-20 Emergency communication receiver

Country Status (1)

Country Link
JP (1) JPS58176437U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023516A (en) * 1973-06-29 1975-03-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023516A (en) * 1973-06-29 1975-03-13

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