JPH0446729U - - Google Patents

Info

Publication number
JPH0446729U
JPH0446729U JP1990088712U JP8871290U JPH0446729U JP H0446729 U JPH0446729 U JP H0446729U JP 1990088712 U JP1990088712 U JP 1990088712U JP 8871290 U JP8871290 U JP 8871290U JP H0446729 U JPH0446729 U JP H0446729U
Authority
JP
Japan
Prior art keywords
door
circuit
receiving
inspection
checks
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
JP1990088712U
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 JP1990088712U priority Critical patent/JPH0446729U/ja
Publication of JPH0446729U publication Critical patent/JPH0446729U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Transmission In General (AREA)
  • Circuits Of Receivers In General (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示すブロツク図で
あり、第２図はこの考案の他の実施例を示すブロ
ツク図、第３図は従来の受信機（戸別受信機）の
一実施例を示すブロツク図である。なお各図とも
構成要素の符号と名称は同一である。 図において、１は空中線、２は受信回路、３は
局部発振回路、４は増幅器、５は選択呼出受信回
路、６はスピーカ、７は点検回路、８は送信回路
、９は空中線を示す。なお図中、同一符号は同一
、または相当部分を示す

Claims (1)

    【実用新案登録請求の範囲】
  1. 市町村防災無線等に使用する戸別受信機におい
    て、外部からの無線制御信号を受けて、自己の受
    信機能を点検する点検回路と、点検結果を送信す
    るための微弱な送信回路とを備えた受信機。
JP1990088712U 1990-08-24 1990-08-24 Pending JPH0446729U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990088712U JPH0446729U (ja) 1990-08-24 1990-08-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990088712U JPH0446729U (ja) 1990-08-24 1990-08-24

Publications (1)

Publication Number Publication Date
JPH0446729U true JPH0446729U (ja) 1992-04-21

Family

ID=31822170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990088712U Pending JPH0446729U (ja) 1990-08-24 1990-08-24

Country Status (1)

Country Link
JP (1) JPH0446729U (ja)

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