JPS6320639U - - Google Patents

Info

Publication number
JPS6320639U
JPS6320639U JP11432686U JP11432686U JPS6320639U JP S6320639 U JPS6320639 U JP S6320639U JP 11432686 U JP11432686 U JP 11432686U JP 11432686 U JP11432686 U JP 11432686U JP S6320639 U JPS6320639 U JP S6320639U
Authority
JP
Japan
Prior art keywords
source
capacitor
circuit
dial
telephone
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
JP11432686U
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 JP11432686U priority Critical patent/JPS6320639U/ja
Publication of JPS6320639U publication Critical patent/JPS6320639U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)

Description

【図面の簡単な説明】
図は本考案の実施例を示す回路図である。 2……TKC(通話回路)、3……DIC(ダ
イヤル回路)、4……DK(ダイヤルキー)、L
1,L2……線路端子、Q1〜Q5……TR(ト
ランジスタ)、C1〜C6……コンデンサ、VD
,VS……電源端子。

Claims (1)

    【実用新案登録請求の範囲】
  1. オフフツクに応じて閉成される直流ループへ通
    ずるループ電流を電源とし、かつ、電源保持用の
    コンデンサを有するダイヤル回路を備えた電話機
    において、前記ダイヤルと回路の電源供給経路中
    へ前記コンデンサの放電を阻止する方向として挿
    入されかつゲートとソースとの間を接続しドレイ
    ン・ソース間をダイオードとした順方向電圧の低
    いMOS形トランジスタを設けたことを特徴とす
    る電話機回路。
JP11432686U 1986-07-25 1986-07-25 Pending JPS6320639U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11432686U JPS6320639U (ja) 1986-07-25 1986-07-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11432686U JPS6320639U (ja) 1986-07-25 1986-07-25

Publications (1)

Publication Number Publication Date
JPS6320639U true JPS6320639U (ja) 1988-02-10

Family

ID=30996964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11432686U Pending JPS6320639U (ja) 1986-07-25 1986-07-25

Country Status (1)

Country Link
JP (1) JPS6320639U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186725A (ja) * 1975-01-28 1976-07-29 Iwatsu Electric Co Ltd Seiryukairo

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186725A (ja) * 1975-01-28 1976-07-29 Iwatsu Electric Co Ltd Seiryukairo

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