通報装置

Notification system

Abstract

PROBLEM TO BE SOLVED: To provide a notification system that can surely and selectively accept an incoming call under a certain condition while ensuring the operation of communication equipment even when the notification system is connected to the same telephone line to which the communication equipment such as a telephone set or a facsimile machine is connected so as to activate its own various functions. SOLUTION: The notification unit 10 connected to the same telephone line to which the communication equipment such as a telephone set or a facsimile machine is connected, starts a usual incoming call reception depending on the satisfaction of both the conditions that an incoming call arrives in the telephone line 20 and the telephone line 20 is interrupted after ringing is made within a prescribed number of times and the incoming call again arrives within a preset reference time after the telephone line 20 is interrupted.
(57)【要約】 【課題】 電話機やファクシミリ装置等の他の通信装置 と同一の電話回線に接続されている場合でも、これら通 信装置の動作を確保しつつ、選択的に着信動作をさせる ようにすることができ、自らが有する諸機能を作動させ ることができる通報装置を提供する。 【解決手段】 ファクシミリ装置や電話機等の通信装置 と共に同一の電話回線20に接続される通報装置10に おいて、電話回線20に着信し、所定回数以内の鳴動の 後、直ちに電話回線20が切断されたこと、電話回線2 0の切断後、予め設定された基準時間内に再度着信した こと、の双方を満足したことを条件として通常の着信動 作を開始する。

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    Publication numberPublication dateAssigneeTitle
    JP-2010233156-AOctober 14, 2010Nec Infrontia Corp, Necインフロンティア株式会社Emergency call system using telephone line