JPS6421551U - - Google Patents

Info

Publication number
JPS6421551U
JPS6421551U JP11538387U JP11538387U JPS6421551U JP S6421551 U JPS6421551 U JP S6421551U JP 11538387 U JP11538387 U JP 11538387U JP 11538387 U JP11538387 U JP 11538387U JP S6421551 U JPS6421551 U JP S6421551U
Authority
JP
Japan
Prior art keywords
volume
control means
speaker
controlling
volume 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
JP11538387U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP11538387U priority Critical patent/JPS6421551U/ja
Publication of JPS6421551U publication Critical patent/JPS6421551U/ja
Pending legal-status Critical Current

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  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の一実施例に係るボタン電話機
の構成ブロツク図、第2図は本考案に係るボタン
電話機の通信システムの構成図、第3図は従来の
ボタン電話機の通信システムの構成図である。 1……制御部、2……通話部、3……音量調節
部、4……スピーカ、5……送受器、6……操作
部、7……PBX。
FIG. 1 is a block diagram of a button telephone according to an embodiment of the present invention, FIG. 2 is a diagram of a communication system of a button telephone according to the present invention, and FIG. 3 is a diagram of a conventional communication system of a button telephone. It is. DESCRIPTION OF SYMBOLS 1... Control part, 2... Call part, 3... Volume adjustment part, 4... Speaker, 5... Handset/receiver, 6... Operation part, 7... PBX.

Claims (1)

【実用新案登録請求の範囲】 スピーカと、 手動または制御手段の命令により前記スピーカ
の音量を調節する音量調節手段と、 呼び出し側の電話機から送られる所定の信号に
応じて前記スピーカが所定の音量で駆動されるよ
うに前記音量調節手段を制御する制御手段と、 を具備することを特徴とするボタン電話機の音量
調節装置。
[Claims for Utility Model Registration] A speaker, a volume control means for adjusting the volume of the speaker manually or by a command from a control means, and a volume control means for controlling the volume of the speaker at a predetermined volume in response to a predetermined signal sent from a calling party's telephone. A volume control device for a button telephone set, comprising: a control means for controlling the volume control means so as to be driven.
JP11538387U 1987-07-28 1987-07-28 Pending JPS6421551U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11538387U JPS6421551U (en) 1987-07-28 1987-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11538387U JPS6421551U (en) 1987-07-28 1987-07-28

Publications (1)

Publication Number Publication Date
JPS6421551U true JPS6421551U (en) 1989-02-02

Family

ID=31356991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11538387U Pending JPS6421551U (en) 1987-07-28 1987-07-28

Country Status (1)

Country Link
JP (1) JPS6421551U (en)

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