JPS6285036U - - Google Patents

Info

Publication number
JPS6285036U
JPS6285036U JP17659685U JP17659685U JPS6285036U JP S6285036 U JPS6285036 U JP S6285036U JP 17659685 U JP17659685 U JP 17659685U JP 17659685 U JP17659685 U JP 17659685U JP S6285036 U JPS6285036 U JP S6285036U
Authority
JP
Japan
Prior art keywords
power
winding
circuit
output winding
amplifier
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.)
Granted
Application number
JP17659685U
Other languages
English (en)
Other versions
JPH0354452Y2 (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 JP17659685U priority Critical patent/JPH0354452Y2/ja
Publication of JPS6285036U publication Critical patent/JPS6285036U/ja
Application granted granted Critical
Publication of JPH0354452Y2 publication Critical patent/JPH0354452Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案による電話機鳴動回路の説明図
、第2図、第3図はそれぞれ従来の電話機鳴動回
路の説明図である。 1……リンガ回路、2……絶縁トランス、S
……出力用巻線、S……バイアス用巻線、3…
…増幅器、4……スピーカ、5……電源、Q……
スイツチ素子。

Claims (1)

    【実用新案登録請求の範囲】
  1. ドアホン通話、インターホン室内通話の機能が
    付加された電話機において、リンガ回路と、前記
    リンガ回路に一次側が接続され二次側に出力用巻
    線およびバイアス用巻線を有する絶縁トランスと
    、前記出力用巻線から増幅器を介して接続された
    スピーカと、前記増幅器に電源供給を行う電源と
    を備え、通電時には前記電源から逆バイアスがか
    けられ停電時には前記バイアス用巻線から順バイ
    アスがかけられるスイツチ素子を前記出力用巻線
    と前記スピーカとの間に介在させたことを特徴と
    する電話機鳴動回路。
JP17659685U 1985-11-15 1985-11-15 Expired JPH0354452Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17659685U JPH0354452Y2 (ja) 1985-11-15 1985-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17659685U JPH0354452Y2 (ja) 1985-11-15 1985-11-15

Publications (2)

Publication Number Publication Date
JPS6285036U true JPS6285036U (ja) 1987-05-30
JPH0354452Y2 JPH0354452Y2 (ja) 1991-12-02

Family

ID=31116989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17659685U Expired JPH0354452Y2 (ja) 1985-11-15 1985-11-15

Country Status (1)

Country Link
JP (1) JPH0354452Y2 (ja)

Also Published As

Publication number Publication date
JPH0354452Y2 (ja) 1991-12-02

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