JPH03129937U - - Google Patents

Info

Publication number
JPH03129937U
JPH03129937U JP3797790U JP3797790U JPH03129937U JP H03129937 U JPH03129937 U JP H03129937U JP 3797790 U JP3797790 U JP 3797790U JP 3797790 U JP3797790 U JP 3797790U JP H03129937 U JPH03129937 U JP H03129937U
Authority
JP
Japan
Prior art keywords
voltage
battery
circuit
backup battery
variable resistor
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
JP3797790U
Other languages
English (en)
Other versions
JP2517455Y2 (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 JP3797790U priority Critical patent/JP2517455Y2/ja
Publication of JPH03129937U publication Critical patent/JPH03129937U/ja
Application granted granted Critical
Publication of JP2517455Y2 publication Critical patent/JP2517455Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Stand-By Power Supply Arrangements (AREA)
  • Exposure Control For Cameras (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Description

【図面の簡単な説明】
図は本考案によるカメラ用電池抜け検出回路の
一実施例を示すブロツク図である。 ２……充電用定電圧回路（定電圧回路）、５…
…バツクアツプ用電池、１６……Ａ／Ｄ変換回路
、２０……ＣＰＵ。

Claims (1)

    【実用新案登録請求の範囲】
  1. カメラの負荷に直接電源を供給する主電池の電
    圧を安定化する定電圧回路と、前記定電圧回路か
    ら出力される安定化電源で充電されるバツクアツ
    プ用電池と、前記バツクアツプ用電池から電源を
    供給されるＣＰＵと、前記バツクアツプ用電池か
    ら生成された電圧を参照電圧とし、前記ＣＰＵが
    実行するプログラムとデータをデジタル量で編成
    するＡ／Ｄ変換回路と、前記Ａ／Ｄ変換回路のア
    ナログ電圧を変更する可変抵抗器と、前記主電池
    の電圧が一端に印加され他端が前記可変抵抗器に
    接続された分圧抵抗とを備えたことを特徴とする
    カメラ用電池抜け検出回路。
JP3797790U 1990-04-09 1990-04-09 カメラ用電池抜け検出回路 Expired - Fee Related JP2517455Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3797790U JP2517455Y2 (ja) 1990-04-09 1990-04-09 カメラ用電池抜け検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3797790U JP2517455Y2 (ja) 1990-04-09 1990-04-09 カメラ用電池抜け検出回路

Publications (2)

Publication Number Publication Date
JPH03129937U true JPH03129937U (ja) 1991-12-26
JP2517455Y2 JP2517455Y2 (ja) 1996-11-20

Family

ID=31545574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3797790U Expired - Fee Related JP2517455Y2 (ja) 1990-04-09 1990-04-09 カメラ用電池抜け検出回路

Country Status (1)

Country Link
JP (1) JP2517455Y2 (ja)

Also Published As

Publication number Publication date
JP2517455Y2 (ja) 1996-11-20

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees