JPS58144570U - Automatic escalator broadcasting device - Google Patents
Automatic escalator broadcasting deviceInfo
- 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
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
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0FIG. 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)
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.
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) |
-
1982
- 1982-03-19 JP JP3788782U patent/JPS58144570U/en active Pending
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