JPS6115866U - Howler - telephone with listening function - Google Patents

Howler - telephone with listening function

Info

Publication number
JPS6115866U
JPS6115866U JP9806284U JP9806284U JPS6115866U JP S6115866 U JPS6115866 U JP S6115866U JP 9806284 U JP9806284 U JP 9806284U JP 9806284 U JP9806284 U JP 9806284U JP S6115866 U JPS6115866 U JP S6115866U
Authority
JP
Japan
Prior art keywords
howler
telephone
detection section
listening function
control
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
JP9806284U
Other languages
Japanese (ja)
Inventor
祐二 敦賀
哲也 清田
Original Assignee
岩崎通信機株式会社
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 岩崎通信機株式会社 filed Critical 岩崎通信機株式会社
Priority to JP9806284U priority Critical patent/JPS6115866U/en
Publication of JPS6115866U publication Critical patent/JPS6115866U/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) [Summary] 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図は本考案の実施例を示すブロック図、第２図は本
考案の動作を説明するための波形図である。 Ｉ，， Ｌ２・・・加入者回線、ＤＢ・・・ダイオード
ブリッジ、Ｔ・・・送話器、Ｒ・・・受話器、Ａ１，
Ａ２， Ａ３， Ａ，・・・増幅器、Ｑ・・・トランジ
スタ、殉，Ｒ２，Ｒ３，Ｒ４，Ｒ，・・・抵抗器、Ｃ１
・・・コンデンサ、Ｓ１，Ｓ２，Ｓ３，Ｓ４・・・スイ
ッチ素子、Ｄ１・・・ダイオード、ＲｖＲ・・・音量調
節ボリューム。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a waveform diagram for explaining the operation of the present invention. I,, L2...Subscriber line, DB...Diode bridge, T...Telephone, R...Handset, A1,
A2, A3, A,...Amplifier, Q...Transistor, R2, R3, R4, R,...Resistor, C1
... Capacitor, S1, S2, S3, S4 ... Switch element, D1 ... Diode, RvR ... Volume control volume.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ハウラー信号検出部と、前記ハウラー信号検出部からの
情報で動作するコントロール回路、および、該コントロ
ール回路で制御されるスイッチ回路を有し、ハウラー信
号が前記ハウラー検出部で検出されたとき前記コントロ
ール回路の制御により前記スイッチ回路を動作させるこ
とにより、電話機の送話ミュート、スピーカ増幅器オン
、スピーカ音量調節ボリューム短絡を実現し、前記スピ
一力音量調節ボリュームの調節と無関係にオフフック状
態のハウラー受聴音をスピーカから受聴するように構成
されたことを特徴とするように構成されたことを特徴と
するハウラー受聴機能を有する電話機。a howler signal detection section, a control circuit operated by information from the howler signal detection section, and a switch circuit controlled by the control circuit, and when a howler signal is detected by the howler detection section, the control circuit By operating the switch circuit under the control of , it is possible to mute the telephone transmitter, turn on the speaker amplifier, and short-circuit the speaker volume control volume. 1. A telephone having a Howler listening function, characterized in that the telephone is configured to listen through a speaker.
JP9806284U 1984-06-29 1984-06-29 Howler - telephone with listening function Pending JPS6115866U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9806284U JPS6115866U (en) 1984-06-29 1984-06-29 Howler - telephone with listening function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9806284U JPS6115866U (en) 1984-06-29 1984-06-29 Howler - telephone with listening function

Publications (1)

Publication Number Publication Date
JPS6115866U true JPS6115866U (en) 1986-01-29

Family

ID=30657615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9806284U Pending JPS6115866U (en) 1984-06-29 1984-06-29 Howler - telephone with listening function

Country Status (1)

Country Link
JP (1) JPS6115866U (en)

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