JPS58144570U - Automatic escalator broadcasting device - Google Patents

Automatic escalator broadcasting device

Info

Publication number
JPS58144570U
JPS58144570U JP3788782U JP3788782U JPS58144570U JP S58144570 U JPS58144570 U JP S58144570U JP 3788782 U JP3788782 U JP 3788782U JP 3788782 U JP3788782 U JP 3788782U JP S58144570 U JPS58144570 U JP S58144570U
Authority
JP
Japan
Prior art keywords
broadcasting device
automatic escalator
escalator
automatic
detecting
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
JP3788782U
Other languages
Japanese (ja)
Inventor
青木 吾一
土肥 治
中里 真朗
弓仲 武雄
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP3788782U priority Critical patent/JPS58144570U/en
Publication of JPS58144570U publication Critical patent/JPS58144570U/en
Pending legal-status Critical Current

Links

Landscapes

  • Escalators And Moving Walkways (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]

第1図は本考案の一実施例のブロック図、第2図は本考
案の他の実施例のブロック図である。 1・・・エスカレータ−の主電源線、2・・・エスカレ
ータ−の電動機、3・・・エスカレータ、11・・・変
流器、12・・・電流電圧変換器、21・・・放送音源
、22・・・増幅度調整機構付増巾器、23・・・スピ
ーカ0
FIG. 1 is a block diagram of one embodiment of the present invention, and FIG. 2 is a block diagram of another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Escalator main power line, 2...Escalator motor, 3...Escalator, 11...Current transformer, 12...Current voltage converter, 21...Broadcast sound source, 22... Amplifier with amplification adjustment mechanism, 23... Speaker 0

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エスカレータ−の駆動用電動機のトルクに比例した値を
検出する手段、この検出手段からの出力に応じて放送音
量を自動的に変化する手段からなる構成を特徴とするエ
スカレータ−の自動放送装置。
1. An automatic escalator broadcasting device comprising: means for detecting a value proportional to the torque of an electric motor for driving the escalator; and means for automatically changing the broadcast volume in accordance with the output from the detecting means.
JP3788782U 1982-03-19 1982-03-19 Automatic escalator broadcasting device Pending JPS58144570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3788782U JPS58144570U (en) 1982-03-19 1982-03-19 Automatic escalator broadcasting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3788782U JPS58144570U (en) 1982-03-19 1982-03-19 Automatic escalator broadcasting device

Publications (1)

Publication Number Publication Date
JPS58144570U true JPS58144570U (en) 1983-09-29

Family

ID=30049254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3788782U Pending JPS58144570U (en) 1982-03-19 1982-03-19 Automatic escalator broadcasting device

Country Status (1)

Country Link
JP (1) JPS58144570U (en)

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