JPH0330128U - - Google Patents

Info

Publication number
JPH0330128U
JPH0330128U JP9126889U JP9126889U JPH0330128U JP H0330128 U JPH0330128 U JP H0330128U JP 9126889 U JP9126889 U JP 9126889U JP 9126889 U JP9126889 U JP 9126889U JP H0330128 U JPH0330128 U JP H0330128U
Authority
JP
Japan
Prior art keywords
battery
power source
semiconductor device
backup
backup 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
JP9126889U
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 JP9126889U priority Critical patent/JPH0330128U/ja
Publication of JPH0330128U publication Critical patent/JPH0330128U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Credit Cards Or The Like (AREA)
  • Power Sources (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例を示すＩＣカード
の回路図、第２図は従来のＩＣカードの回路図で
ある。図中１はコネクタ、２はダイオード、３は
電池バツクアツプしない半導体素子、４はバツク
アツプする半導体素子、５はバツクアツプ電源選
択回路、６は電池を示す。なお、図中、同一符号
は同一、または相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電池バツクアツプをする半導体素子、電池バツ
    クアツプをしない半導体素子及び電池を内蔵する
    ＩＣカードにおいて、前記半導体素子のバツクア
    ツプ電源として、上記電池とシステム側から供給
    されるバツクアツプ電源のいずれかを選択するバ
    ツクアツプ電源選択回路を備えたことを特徴とす
    るＩＣカード。
JP9126889U 1989-08-01 1989-08-01 Pending JPH0330128U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9126889U JPH0330128U (ja) 1989-08-01 1989-08-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9126889U JPH0330128U (ja) 1989-08-01 1989-08-01

Publications (1)

Publication Number Publication Date
JPH0330128U true JPH0330128U (ja) 1991-03-25

Family

ID=31640764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9126889U Pending JPH0330128U (ja) 1989-08-01 1989-08-01

Country Status (1)

Country Link
JP (1) JPH0330128U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61160124A (ja) * 1984-12-29 1986-07-19 Hitachi Ltd メモリ給電方式

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61160124A (ja) * 1984-12-29 1986-07-19 Hitachi Ltd メモリ給電方式

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