JPS60116781U - telephone system - Google Patents

telephone system

Info

Publication number
JPS60116781U
JPS60116781U JP315884U JP315884U JPS60116781U JP S60116781 U JPS60116781 U JP S60116781U JP 315884 U JP315884 U JP 315884U JP 315884 U JP315884 U JP 315884U JP S60116781 U JPS60116781 U JP S60116781U
Authority
JP
Japan
Prior art keywords
telephone system
ringing signal
monitor speaker
output
circuit
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
JP315884U
Other languages
Japanese (ja)
Inventor
英一郎 松原
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP315884U priority Critical patent/JPS60116781U/en
Publication of JPS60116781U publication Critical patent/JPS60116781U/en
Pending legal-status Critical Current

Links

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) [Abstract] 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 the drawing]

、　第１図は帯域内呼出信号を使用して監視するモニタ
スピーカを備えた選択呼出電話をパーティライン接続し
た従来の電話システムを示すブロック図、第２図は本考
案の実施例の電話システムを示すブロック図である。南
回において、 ａ・・・・・・分岐回路、ｂ・・・・・・ハンドセット
回路、Ｃ・・・・・・呼出信号の認識及び送出回路、ｄ
・・・・・・スピーカ回路、ｅ・・・・・・呼出信号検
出回路、ｆ・・・・・・スピーカ出力阻止回路、ｇ・・
・・・・入力端、ｈ・・・・・・検出信号。, FIG. 1 is a block diagram showing a conventional telephone system in which a selective calling telephone with a monitor speaker monitored using an in-band ringing signal is connected to a party line, and FIG. 2 is a block diagram showing a telephone system according to an embodiment of the present invention. FIG. In the southern circuit, a... branch circuit, b... handset circuit, C... call signal recognition and sending circuit, d
...Speaker circuit, e...Call signal detection circuit, f...Speaker output blocking circuit, g...
...Input end, h...Detection signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 通話帯域内の呼出信号を使用して回線の使用状況を監視
するモニタスピーカを備えた選択呼出電話を同一電話回
線に複数接続した電話システムにおいて、前記呼出信号
が前記モニタスピーカに出力されないように、前記呼出
信号を検出して前記モニタスピーカの出力を停止する手
段を設けたことを特徴とする電話システム。In a telephone system in which a plurality of selective calling telephones each having a monitor speaker that monitors line usage status using a ringing signal within a speech band are connected to the same telephone line, the ringing signal is not output to the monitor speaker. A telephone system comprising means for detecting the ringing signal and stopping output from the monitor speaker.
JP315884U 1984-01-13 1984-01-13 telephone system Pending JPS60116781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP315884U JPS60116781U (en) 1984-01-13 1984-01-13 telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP315884U JPS60116781U (en) 1984-01-13 1984-01-13 telephone system

Publications (1)

Publication Number Publication Date
JPS60116781U true JPS60116781U (en) 1985-08-07

Family

ID=30477520

Family Applications (1)

Application Number Title Priority Date Filing Date
JP315884U Pending JPS60116781U (en) 1984-01-13 1984-01-13 telephone system

Country Status (1)

Country Link
JP (1) JPS60116781U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08154133A (en) * 1994-11-29 1996-06-11 N Ii C Terenetsuto Works Kk Order line terminating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08154133A (en) * 1994-11-29 1996-06-11 N Ii C Terenetsuto Works Kk Order line terminating device

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