KR960012070U - 난수발생 회로부를 내장한 아이씨카드 - Google Patents

난수발생 회로부를 내장한 아이씨카드

Info

Publication number
KR960012070U
KR960012070U KR2019940025577U KR19940025577U KR960012070U KR 960012070 U KR960012070 U KR 960012070U KR 2019940025577 U KR2019940025577 U KR 2019940025577U KR 19940025577 U KR19940025577 U KR 19940025577U KR 960012070 U KR960012070 U KR 960012070U
Authority
KR
South Korea
Prior art keywords
built
card
random number
number circuit
circuit
Prior art date
Application number
KR2019940025577U
Other languages
English (en)
Other versions
KR200173903Y1 (ko
Inventor
심재철
Original Assignee
현대반도체주식회사
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 by 현대반도체주식회사 filed Critical 현대반도체주식회사
Priority to KR2019940025577U priority Critical patent/KR200173903Y1/ko
Publication of KR960012070U publication Critical patent/KR960012070U/ko
Application granted granted Critical
Publication of KR200173903Y1 publication Critical patent/KR200173903Y1/ko

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
KR2019940025577U 1994-09-30 1994-09-30 난수발생 회로부를 내장한 아이씨카드 KR200173903Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019940025577U KR200173903Y1 (ko) 1994-09-30 1994-09-30 난수발생 회로부를 내장한 아이씨카드

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019940025577U KR200173903Y1 (ko) 1994-09-30 1994-09-30 난수발생 회로부를 내장한 아이씨카드

Publications (2)

Publication Number Publication Date
KR960012070U true KR960012070U (ko) 1996-04-17
KR200173903Y1 KR200173903Y1 (ko) 2000-03-02

Family

ID=19394561

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019940025577U KR200173903Y1 (ko) 1994-09-30 1994-09-30 난수발생 회로부를 내장한 아이씨카드

Country Status (1)

Country Link
KR (1) KR200173903Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100864421B1 (ko) * 2001-04-17 2008-10-23 톰슨 라이센싱 마이크로 제어기, ｉｃ 카드, 인터페이스 제어기, 및 리셋 버튼을 포함하는 시스템 및 디바이스

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100864421B1 (ko) * 2001-04-17 2008-10-23 톰슨 라이센싱 마이크로 제어기, ｉｃ 카드, 인터페이스 제어기, 및 리셋 버튼을 포함하는 시스템 및 디바이스

Also Published As

Publication number Publication date
KR200173903Y1 (ko) 2000-03-02

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KR960012070U (ko) 난수발생 회로부를 내장한 아이씨카드

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