JPH01142029U - - Google Patents

Info

Publication number
JPH01142029U
JPH01142029U JP3699488U JP3699488U JPH01142029U JP H01142029 U JPH01142029 U JP H01142029U JP 3699488 U JP3699488 U JP 3699488U JP 3699488 U JP3699488 U JP 3699488U JP H01142029 U JPH01142029 U JP H01142029U
Authority
JP
Japan
Prior art keywords
battery
memory
power supply
detecting
auxiliary power
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
JP3699488U
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 JP3699488U priority Critical patent/JPH01142029U/ja
Publication of JPH01142029U publication Critical patent/JPH01142029U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Power Sources (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の構成を示すブロツ
ク図、第２図は電池交換操作検出機構の一例を示
す要部拡大断面図、第３図は電池交換操作検出機
構の他の例を示す要部拡大断面図、第４図及び第
５図は従来の回路の構成を示すブロツク図である
。 １……電池、２……電圧検出回路、１２……コ
ンデンサ、２１……スイツチ、２４……フリツプ
フロツプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 電池交換時にメモリをバツクアツプする補助電
    源を有する電子機器において、 電池電圧を検出する電圧検出手段と、 電池交換の操作を検出するスイツチ手段と、 前記手段のいずれか一方の検出結果に応じて、
    前記電池から補助電源に切り換えてメモリのバツ
    クアツプを行う電源切り換え手段とを備えること
    を特徴とするメモリ保護装置。
JP3699488U 1988-03-19 1988-03-19 Pending JPH01142029U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3699488U JPH01142029U (ja) 1988-03-19 1988-03-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3699488U JPH01142029U (ja) 1988-03-19 1988-03-19

Publications (1)

Publication Number Publication Date
JPH01142029U true JPH01142029U (ja) 1989-09-28

Family

ID=31263581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3699488U Pending JPH01142029U (ja) 1988-03-19 1988-03-19

Country Status (1)

Country Link
JP (1) JPH01142029U (ja)

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