JPH0335983U - - Google Patents

Info

Publication number
JPH0335983U
JPH0335983U JP9669489U JP9669489U JPH0335983U JP H0335983 U JPH0335983 U JP H0335983U JP 9669489 U JP9669489 U JP 9669489U JP 9669489 U JP9669489 U JP 9669489U JP H0335983 U JPH0335983 U JP H0335983U
Authority
JP
Japan
Prior art keywords
intercom
photocoupler
contact
hook
elevator
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
JP9669489U
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 JP9669489U priority Critical patent/JPH0335983U/ja
Publication of JPH0335983U publication Critical patent/JPH0335983U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例の構成を示す回路図、
第２図は従来のインターホンの電源回路の構成を
示す回路図である。 １……インターホン、２，３……電源線、４…
…蓄電池、５，６……フオトカプラ、７，８……
ＩＣタイマ、９……ブザー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 蓄電池からインターホンに電源を供給する電線
    に介在し、インターホンの送受話器が外れた場合
    動作するフオトカプラとそのフオトカプラで起動
    し、ある一定時間経過したら閉じる接点を有する
    タイマとその接点に接続されたブザーを有するこ
    とを特徴とするエレベータ用インターホンフツク
    外れ警報装置。
JP9669489U 1989-08-21 1989-08-21 Pending JPH0335983U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9669489U JPH0335983U (ja) 1989-08-21 1989-08-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9669489U JPH0335983U (ja) 1989-08-21 1989-08-21

Publications (1)

Publication Number Publication Date
JPH0335983U true JPH0335983U (ja) 1991-04-08

Family

ID=31645882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9669489U Pending JPH0335983U (ja) 1989-08-21 1989-08-21

Country Status (1)

Country Link
JP (1) JPH0335983U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012132265A1 (ja) * 2011-03-25 2012-10-04 パナソニック株式会社 生体音処理装置および生体音処理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012132265A1 (ja) * 2011-03-25 2012-10-04 パナソニック株式会社 生体音処理装置および生体音処理方法

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