JPS6349856U - - Google Patents

Info

Publication number
JPS6349856U
JPS6349856U JP12648586U JP12648586U JPS6349856U JP S6349856 U JPS6349856 U JP S6349856U JP 12648586 U JP12648586 U JP 12648586U JP 12648586 U JP12648586 U JP 12648586U JP S6349856 U JPS6349856 U JP S6349856U
Authority
JP
Japan
Prior art keywords
analog telephones
sidetone
self
caused
utility
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
JP12648586U
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 JP12648586U priority Critical patent/JPS6349856U/ja
Publication of JPS6349856U publication Critical patent/JPS6349856U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
図面の上半分は既製の600型アナログ電話機
の回路図であり、下半分は該当回路図である。 図中→印は脱着ピンを示す。×印のピンを抜き
→←に接続(Diよりのピン及○rの両ピン)。
D2はピンを抜かれた後にd2よりのピンを刺す
。T1にはt1よりのピンを二重に刺す。R1は
ピンを抜かれた後にr1よりのピンを刺す。

Claims (1)

    【実用新案登録請求の範囲】
  1. アナログ電話機に付加使用する受話増幅器で、
    自己送話による側音をバランス回路にて減少し鳴
    音を防止した、アナログ電話機用高感度受話増幅
    器。
JP12648586U 1986-08-21 1986-08-21 Pending JPS6349856U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12648586U JPS6349856U (ja) 1986-08-21 1986-08-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12648586U JPS6349856U (ja) 1986-08-21 1986-08-21

Publications (1)

Publication Number Publication Date
JPS6349856U true JPS6349856U (ja) 1988-04-04

Family

ID=31020328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12648586U Pending JPS6349856U (ja) 1986-08-21 1986-08-21

Country Status (1)

Country Link
JP (1) JPS6349856U (ja)

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