JPH0445086U - - Google Patents

Info

Publication number
JPH0445086U
JPH0445086U JP8435690U JP8435690U JPH0445086U JP H0445086 U JPH0445086 U JP H0445086U JP 8435690 U JP8435690 U JP 8435690U JP 8435690 U JP8435690 U JP 8435690U JP H0445086 U JPH0445086 U JP H0445086U
Authority
JP
Japan
Prior art keywords
use value
bit
card
cutting
stored
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
JP8435690U
Other languages
Japanese (ja)
Other versions
JP2524321Y2 (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 JP1990084356U priority Critical patent/JP2524321Y2/en
Publication of JPH0445086U publication Critical patent/JPH0445086U/ja
Application granted granted Critical
Publication of JP2524321Y2 publication Critical patent/JP2524321Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Credit Cards Or The Like (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の一実施例に係るICカードの
正面図、第2図はヒユーズブルROMを説明する
ための説明図、第3図は制御作動を説明するため
のフローチヤートである。 1……CPU、2……メモリ部、3……書込回
路(切断手段)、C……ICカード、f〜f
……ヒユーズ(ヒユーズ手段)。
FIG. 1 is a front view of an IC card according to an embodiment of the present invention, FIG. 2 is an explanatory diagram for explaining a fusible ROM, and FIG. 3 is a flowchart for explaining control operation. 1...CPU, 2...Memory section, 3...Writing circuit (cutting means), C...IC card, f0 to fn
...Fuse (Fuse means).

補正 平2.10.16 図面の簡単な説明を次のように補正する。 明細書第10頁第7行目の「f」を「f
に訂正する。
Amendment 2.10.16 The brief description of the drawing is amended as follows. "f 0 " on page 10, line 7 of the specification is replaced with "f 1 "
Correct to.

Claims (1)

【実用新案登録請求の範囲】 メモリ部に記憶されている使用価値が使用され
る毎に減らされるICカードにおいて、 前記使用価値の一単位が1ビツトに対応して記
憶されているとともに、各ビツトに対応したヒユ
ーズ手段を有し、かつ使用価値の減らされたビツ
トのヒユーズ手段を切断する切断手段を有してい
ること、 を特徴とするICカード。
[Scope of Utility Model Registration Claim] In an IC card in which the use value stored in the memory section is decreased each time it is used, one unit of the use value is stored corresponding to one bit, and each bit is An IC card characterized in that it has a fuse means corresponding to the above, and a cutting means for cutting the fuse means of bits whose use value has been reduced.
JP1990084356U 1990-08-09 1990-08-09 IC card Expired - Lifetime JP2524321Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990084356U JP2524321Y2 (en) 1990-08-09 1990-08-09 IC card

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990084356U JP2524321Y2 (en) 1990-08-09 1990-08-09 IC card

Publications (2)

Publication Number Publication Date
JPH0445086U true JPH0445086U (en) 1992-04-16
JP2524321Y2 JP2524321Y2 (en) 1997-01-29

Family

ID=31815457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990084356U Expired - Lifetime JP2524321Y2 (en) 1990-08-09 1990-08-09 IC card

Country Status (1)

Country Link
JP (1) JP2524321Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08507164A (en) * 1992-12-23 1996-07-30 ガオ ゲゼルシャフト フェア アウトマツィオンウント オルガニザツィオン ミット ベシュレンクテル ハフツング System for checking the authenticity of data carriers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53123048A (en) * 1977-03-31 1978-10-27 Cii Device for recording predetermined equal unit account
JPS5943471A (en) * 1982-09-06 1984-03-10 Nippon Telegr & Teleph Corp <Ntt> Payment system
JPH022099A (en) * 1987-12-17 1990-01-08 Siemens Ag Electronic circuits that can be monolithically integrated into sales cards and their devaluation methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53123048A (en) * 1977-03-31 1978-10-27 Cii Device for recording predetermined equal unit account
JPS5943471A (en) * 1982-09-06 1984-03-10 Nippon Telegr & Teleph Corp <Ntt> Payment system
JPH022099A (en) * 1987-12-17 1990-01-08 Siemens Ag Electronic circuits that can be monolithically integrated into sales cards and their devaluation methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08507164A (en) * 1992-12-23 1996-07-30 ガオ ゲゼルシャフト フェア アウトマツィオンウント オルガニザツィオン ミット ベシュレンクテル ハフツング System for checking the authenticity of data carriers

Also Published As

Publication number Publication date
JP2524321Y2 (en) 1997-01-29

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