扱者電話回路の英語

公衆電話通信網の加入電話線などの通信回路並びに携帯電話機を利用して、マンホールなどでの部外者の侵入阻止管理を容易にしセキュリティ面の信頼性を大巾に高め、制御操作不能となることなく安全に取扱うことができる情報連絡監視を可能にする。例文帳に追加

To provide information, communication and monitoring capable of making it easier to control the invasion blocking of the outsiders at the manhole or the like by using a communication circuit and a portable telephone such as subscriber telephone circuits of the public telephone communication network thereby greatly improving the reliability in the security phase without disturbing the control operation by enhancing the reliability in security phase. - 特許庁