JPH0164937U - - Google Patents

Info

Publication number
JPH0164937U
JPH0164937U JP1987157629U JP15762987U JPH0164937U JP H0164937 U JPH0164937 U JP H0164937U JP 1987157629 U JP1987157629 U JP 1987157629U JP 15762987 U JP15762987 U JP 15762987U JP H0164937 U JPH0164937 U JP H0164937U
Authority
JP
Japan
Prior art keywords
circuit
battery
adapter
driven
output voltage
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
JP1987157629U
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 JP1987157629U priority Critical patent/JPH0164937U/ja
Publication of JPH0164937U publication Critical patent/JPH0164937U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Rectifiers (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す回路図、第2図
は従来例を示す回路図である。 1,2…ACアダプタジヤツク端子、3…電池
、4…充電回路、7…定電圧回路、13…主回路
、14…電圧検出回路、16…リレー駆動回路、
17…リレー。

Claims (1)

    【実用新案登録請求の範囲】
  1. ACアダプタ或いは内蔵の電池にて駆動可能な
    電子機器の電源回路において、ACアダプタの出
    力電圧を前記電池に充電する充電回路と、ACア
    ダプタの出力電圧を機器主回路の駆動電圧に変換
    して出力する定電圧回路と、ACアダプタで駆動
    中か電池で駆動中かを検出する手段と、ACアダ
    プタで駆動中の場合には前記定電圧回路の出力を
    主回路に供給し、電池で駆動中の場合には電池の
    出力電圧を直接主回路に供給するように切替える
    切替手段とで構成した事を特徴とする電源回路。
JP1987157629U 1987-10-15 1987-10-15 Pending JPH0164937U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987157629U JPH0164937U (ja) 1987-10-15 1987-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987157629U JPH0164937U (ja) 1987-10-15 1987-10-15

Publications (1)

Publication Number Publication Date
JPH0164937U true JPH0164937U (ja) 1989-04-26

Family

ID=31437235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987157629U Pending JPH0164937U (ja) 1987-10-15 1987-10-15

Country Status (1)

Country Link
JP (1) JPH0164937U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654452A (ja) * 1992-07-24 1994-02-25 Nec Kansai Ltd 充電回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654452A (ja) * 1992-07-24 1994-02-25 Nec Kansai Ltd 充電回路

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