JPH0223799U - - Google Patents

Info

Publication number
JPH0223799U
JPH0223799U JP10015088U JP10015088U JPH0223799U JP H0223799 U JPH0223799 U JP H0223799U JP 10015088 U JP10015088 U JP 10015088U JP 10015088 U JP10015088 U JP 10015088U JP H0223799 U JPH0223799 U JP H0223799U
Authority
JP
Japan
Prior art keywords
circuit
intercom
cpu
reset circuit
security
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.)
Granted
Application number
JP10015088U
Other languages
English (en)
Other versions
JPH0546157Y2 (ja
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 JP10015088U priority Critical patent/JPH0546157Y2/ja
Publication of JPH0223799U publication Critical patent/JPH0223799U/ja
Application granted granted Critical
Publication of JPH0546157Y2 publication Critical patent/JPH0546157Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Description

【図面の簡単な説明】
第１図は本考案によるインターホンのセキユリ
テイ回路の一実施例を示す回路図、第２図は従来
のインターホンのセキユリテイ回路の回路図であ
る。 １……ＣＰＵ、２……リセツト回路、３……警
報時強制リセツト回路、５……インターホンのセ
キユリテイ回路、ＳＷ２……警報ボタン。

Claims (1)

    【実用新案登録請求の範囲】
  1. ＣＰＵと、電源投入時に前記ＣＰＵをリセツト
    するリセツト回路と、前記ＣＰＵで制御されるイ
    ンターホンのセキユリテイ回路と、前記インター
    ホンのセキユリテイ回路を起動する警報ボタンと
    、前記警報ボタンを操作したとき前記リセツト回
    路を強制リセツトする警報時強制リセツト回路と
    を具備したインターホンのセキユリテイ回路。
JP10015088U 1988-07-28 1988-07-28 Expired - Lifetime JPH0546157Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10015088U JPH0546157Y2 (ja) 1988-07-28 1988-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10015088U JPH0546157Y2 (ja) 1988-07-28 1988-07-28

Publications (2)

Publication Number Publication Date
JPH0223799U true JPH0223799U (ja) 1990-02-16
JPH0546157Y2 JPH0546157Y2 (ja) 1993-12-01

Family

ID=31327963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10015088U Expired - Lifetime JPH0546157Y2 (ja) 1988-07-28 1988-07-28

Country Status (1)

Country Link
JP (1) JPH0546157Y2 (ja)

Also Published As

Publication number Publication date
JPH0546157Y2 (ja) 1993-12-01

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