JPS60112137U - Elevator broadcasting system - Google Patents

Elevator broadcasting system

Info

Publication number
JPS60112137U
JPS60112137U JP20155683U JP20155683U JPS60112137U JP S60112137 U JPS60112137 U JP S60112137U JP 20155683 U JP20155683 U JP 20155683U JP 20155683 U JP20155683 U JP 20155683U JP S60112137 U JPS60112137 U JP S60112137U
Authority
JP
Japan
Prior art keywords
elevator
car
sound signal
converted
broadcasting system
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
JP20155683U
Other languages
Japanese (ja)
Inventor
正 大森
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP20155683U priority Critical patent/JPS60112137U/en
Publication of JPS60112137U publication Critical patent/JPS60112137U/en
Pending legal-status Critical Current

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  • Amplifiers (AREA)

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]

図は本考案の一実施例によるエレベータの放送装置の構
成を示す回路図である。 1・・・・・・かご、2・・・・・・機械室、3・・・
・・・スピーカ、4・・・・・・ケーブル、5a〜5c
・・・・・・信号線路、T工〜T3・・・・・・変圧器
、R□〜R3・・・・・・逆流阻止用抵抗器、S1〜S
3・・・・・・各種音信号。
The figure is a circuit diagram showing the configuration of an elevator broadcasting device according to an embodiment of the present invention. 1...Car, 2...Machine room, 3...
...Speaker, 4...Cable, 5a-5c
・・・・・・Signal line, T-work ~ T3 ・・・・Transformer, R□ ~ R3 ・・・・Reverse current blocking resistor, S1 ~ S
3...Various sound signals.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)各種音信号毎に設けられた変圧器により音信号を
変換し、その変換音信号をそれぞれ逆流阻止用抵抗器を
介してかご室に設けられた単一のスピーカへ送出するよ
うにしたことを特徴とするエレベータの放送装置。
(1) The sound signals are converted by transformers installed for each type of sound signal, and each converted sound signal is sent to a single speaker installed in the car via a backflow blocking resistor. An elevator broadcasting device characterized by:
(2)変圧器および逆流阻止用抵抗器をエレベータの機
械室に設置し、かご室とのあいだで遂す変換音信号の授
受を一本のケーブルで可能とじたことを特徴とする実用
新案登録請求の範囲第1項に記載のエレベータの放送装
置。
(2) Registration of a utility model characterized in that a transformer and a backflow blocking resistor are installed in the machine room of the elevator, and a converted sound signal can be sent and received between the car and the car using a single cable. An elevator broadcasting device according to claim 1.
JP20155683U 1983-12-29 1983-12-29 Elevator broadcasting system Pending JPS60112137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20155683U JPS60112137U (en) 1983-12-29 1983-12-29 Elevator broadcasting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20155683U JPS60112137U (en) 1983-12-29 1983-12-29 Elevator broadcasting system

Publications (1)

Publication Number Publication Date
JPS60112137U true JPS60112137U (en) 1985-07-30

Family

ID=30763457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20155683U Pending JPS60112137U (en) 1983-12-29 1983-12-29 Elevator broadcasting system

Country Status (1)

Country Link
JP (1) JPS60112137U (en)

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