JPS6421550U - - Google Patents

Info

Publication number
JPS6421550U
JPS6421550U JP11538487U JP11538487U JPS6421550U JP S6421550 U JPS6421550 U JP S6421550U JP 11538487 U JP11538487 U JP 11538487U JP 11538487 U JP11538487 U JP 11538487U JP S6421550 U JPS6421550 U JP S6421550U
Authority
JP
Japan
Prior art keywords
volume
speaker
memory
volume adjustment
adjustment means
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
JP11538487U
Other languages
English (en)
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 JP11538487U priority Critical patent/JPS6421550U/ja
Publication of JPS6421550U publication Critical patent/JPS6421550U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る電話機の音量
調整装置の構成図、第2図は従来の電話機の音量
調整装置の構成図である。 1a,2a…,na……アナログスイツチ、3
……CPU、4……RAM、5……ROM、7…
…デコーダ、12……オペアンプ、13……スピ
ーカ、14……抵抗。

Claims (1)

  1. 【実用新案登録請求の範囲】 スピーカと、 前記スピーカの音量調整を行う音量調整手段と
    、 異なる音量レベルを記憶するメモリと、 入力信号に応じて前記メモリから所定の音量レ
    ベルを読み出し読み出された音量レベルになるよ
    うに前記音量調整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電話機の音量調整装
    置。
JP11538487U 1987-07-28 1987-07-28 Pending JPS6421550U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11538487U JPS6421550U (ja) 1987-07-28 1987-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11538487U JPS6421550U (ja) 1987-07-28 1987-07-28

Publications (1)

Publication Number Publication Date
JPS6421550U true JPS6421550U (ja) 1989-02-02

Family

ID=31356993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11538487U Pending JPS6421550U (ja) 1987-07-28 1987-07-28

Country Status (1)

Country Link
JP (1) JPS6421550U (ja)

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