JPS6361854U - - Google Patents

Info

Publication number
JPS6361854U
JPS6361854U JP15565386U JP15565386U JPS6361854U JP S6361854 U JPS6361854 U JP S6361854U JP 15565386 U JP15565386 U JP 15565386U JP 15565386 U JP15565386 U JP 15565386U JP S6361854 U JPS6361854 U JP S6361854U
Authority
JP
Japan
Prior art keywords
capacitor
supply circuit
power supply
magnet
charged
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
JP15565386U
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 JP15565386U priority Critical patent/JPS6361854U/ja
Publication of JPS6361854U publication Critical patent/JPS6361854U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
  • Prepayment Telephone Systems (AREA)

Description

【図面の簡単な説明】
図は本考案の実施例を示し、第1図は電源回路
および付属回路の回路図、第2図は公衆電話機の
ブロツク図である。 2……DB(ダイオードブリツジ)、3……P
S(電源回路)、5……TKC(通話回路)、L
,L……線路端子、ZD……定電圧ダイオー
ド、D〜D……ダイオード、C〜C……
コンデンサ、Q〜Q……TR(トランジスタ
)、R〜R……抵抗器。

Claims (1)

    【実用新案登録請求の範囲】
  1. 直流ループへ通ずるループ電流によりコンデン
    サを充電し、該コンデンサの端子電圧をマグネツ
    トの電源として供給する電話機の電源回路におい
    て、前記ループ電流により逆流阻止用のダイオー
    ドを介して充電され前記マグネツトの電源を供給
    する第1のコンデンサと、前記ループ電流により
    逆流阻止用のダイオードを介して充電される第2
    のコンデンサと、前記第1および第2のコンデン
    サ間に接続され前記マグネツトの駆動信号が生じ
    ている間オフとなるスイツチング素子とを設けた
    ことを特徴とする電話機の電源回路。
JP15565386U 1986-10-13 1986-10-13 Pending JPS6361854U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15565386U JPS6361854U (ja) 1986-10-13 1986-10-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15565386U JPS6361854U (ja) 1986-10-13 1986-10-13

Publications (1)

Publication Number Publication Date
JPS6361854U true JPS6361854U (ja) 1988-04-23

Family

ID=31076544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15565386U Pending JPS6361854U (ja) 1986-10-13 1986-10-13

Country Status (1)

Country Link
JP (1) JPS6361854U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726832A (en) * 1980-07-24 1982-02-13 Canon Inc Flash device capable of continuous flash emission
JPS60134659A (ja) * 1983-12-23 1985-07-17 Tamura Electric Works Ltd 公衆電話機の電源回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726832A (en) * 1980-07-24 1982-02-13 Canon Inc Flash device capable of continuous flash emission
JPS60134659A (ja) * 1983-12-23 1985-07-17 Tamura Electric Works Ltd 公衆電話機の電源回路

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