JPH0434051U - - Google Patents

Info

Publication number
JPH0434051U
JPH0434051U JP7483790U JP7483790U JPH0434051U JP H0434051 U JPH0434051 U JP H0434051U JP 7483790 U JP7483790 U JP 7483790U JP 7483790 U JP7483790 U JP 7483790U JP H0434051 U JPH0434051 U JP H0434051U
Authority
JP
Japan
Prior art keywords
call
signal
door intercom
hook detection
hook
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
JP7483790U
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 JP7483790U priority Critical patent/JPH0434051U/ja
Publication of JPH0434051U publication Critical patent/JPH0434051U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第1図は本考案によるドアホン装置の一実施例
の要部ブロツク図である。 図中、1はドアホン、2は通話回路、3は送受
話器、4はフツク検出部、5はタイマー部、6は
終話信号発生部、7は制御部である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 玄関等に設置され住戸内の通話装置とで通話を
    行うドアホン装置において、通話装置のフツクオ
    ンを検出するフツク検出部と、フツク検出部より
    の信号に基づき終話信号を発生する終話信号発生
    部とでなり、前記終話信号発生部は、通話終了に
    て出力するフツク検出部よりの信号により所定の
    時間終話信号を発生し、ドアホンに送出するよう
    に構成したことを特徴とするドアホン装置。
JP7483790U 1990-07-13 1990-07-13 Pending JPH0434051U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7483790U JPH0434051U (ja) 1990-07-13 1990-07-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7483790U JPH0434051U (ja) 1990-07-13 1990-07-13

Publications (1)

Publication Number Publication Date
JPH0434051U true JPH0434051U (ja) 1992-03-19

Family

ID=31614882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7483790U Pending JPH0434051U (ja) 1990-07-13 1990-07-13

Country Status (1)

Country Link
JP (1) JPH0434051U (ja)

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