PROBLEM TO BE SOLVED: To provide a communication system for crews which enables the crew to communicate with each other during watching the state of a platform.SOLUTION: A communication system for crews comprises first audio input units (handsets 1) that are used when crews communicate with each other through a communication channel 2, a second audio input unit (microphone 3) that is used when the broadcasting in each vehicle is held through a broadcast channel 5, first broadcast units (control amplifiers 4) that not only output audio signal inputted from the second audio input unit into the broadcast channel 5 but also output the audio signal inputted from the broadcast channel 5 into crew rooms, second broadcast units (output amplifiers 6) that output the audio signal inputted from the broadcast channel 5 from audio output units (loudspeakers 7) installed in each vehicle and an output control unit (communication switch 8) that constrains the audio outputs from the audio output unit.SELECTED DRAWING: Figure 1
【課題】ホームの状況を確認しながら乗務員連絡を行うことが可能な乗務員連絡システムを提供する。【解決手段】連絡回線2を介して乗務員間の連絡を行う際に使用される第1音声入力部(ハンドセット1)と、放送回線5を介して車両放送を行う際に使用される第2音声入力部(マイクロホン3)と、第2音声入力部から入力された音声信号を放送回線5に出力するとともに、放送回線5から入力された音声信号を乗務員室内に音声出力する第1放送装置(制御増幅器4)と、放送回線5から入力された音声信号を、車両ごとに設けられた音声出力部(スピーカー7)から音声出力させる第2放送装置(出力増幅器6)と、音声出力部からの音声出力を制限する出力制御部(連絡スイッチ8)と、を備える。【選択図】図1
COMMUNICATION SYSTEM FOR CREW
乗務員連絡システム
2018-08-30
Patent
Electronic Resource
Japanese
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