EP0664520A3 - System with optical card and corresponding read/write-device - Google Patents

System with optical card and corresponding read/write-device Download PDF

Info

Publication number
EP0664520A3
EP0664520A3 EP94107335A EP94107335A EP0664520A3 EP 0664520 A3 EP0664520 A3 EP 0664520A3 EP 94107335 A EP94107335 A EP 94107335A EP 94107335 A EP94107335 A EP 94107335A EP 0664520 A3 EP0664520 A3 EP 0664520A3
Authority
EP
European Patent Office
Prior art keywords
write
optical card
corresponding read
read
card
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.)
Withdrawn
Application number
EP94107335A
Other languages
German (de)
French (fr)
Other versions
EP0664520A2 (en
Inventor
Thomas Wittmer
Walter Zahn
Claus-Peter Jesch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Visit Personal Datacard Systems GmbH
Original Assignee
Visit Personal Datacard Systems GmbH
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 Visit Personal Datacard Systems GmbH filed Critical Visit Personal Datacard Systems GmbH
Publication of EP0664520A2 publication Critical patent/EP0664520A2/en
Publication of EP0664520A3 publication Critical patent/EP0664520A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Storage Device Security (AREA)
EP94107335A 1993-12-21 1994-05-11 System with optical card and corresponding read/write-device Withdrawn EP0664520A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934343478 DE4343478A1 (en) 1993-12-21 1993-12-21 Optical card unit and associated read / write device
DE4343478 1993-12-21

Publications (2)

Publication Number Publication Date
EP0664520A2 EP0664520A2 (en) 1995-07-26
EP0664520A3 true EP0664520A3 (en) 1997-11-12

Family

ID=6505532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94107335A Withdrawn EP0664520A3 (en) 1993-12-21 1994-05-11 System with optical card and corresponding read/write-device

Country Status (2)

Country Link
EP (1) EP0664520A3 (en)
DE (1) DE4343478A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211791A (en) * 1985-03-16 1986-09-19 Hitachi Maxell Ltd Optical recording card
JPH01286172A (en) * 1988-05-12 1989-11-17 Canon Inc Information recording and reproducing device and information recording medium
EP0501508A2 (en) * 1991-02-28 1992-09-02 Olympus Optical Co., Ltd. Recording and reproducing apparatus provided in each data block with a secret information number

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1524187A (en) * 1974-10-16 1978-09-06 Emi Ltd Magnetic recording
DE2847756B2 (en) * 1978-11-03 1980-08-21 Hermann 7742 St Georgen Stockburger Procedure for the secret identification and evaluation of machine-readable data carriers
JPS60208813A (en) * 1984-04-02 1985-10-21 Mitsubishi Electric Corp Photoelectric converting device and manufacture therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211791A (en) * 1985-03-16 1986-09-19 Hitachi Maxell Ltd Optical recording card
JPH01286172A (en) * 1988-05-12 1989-11-17 Canon Inc Information recording and reproducing device and information recording medium
EP0501508A2 (en) * 1991-02-28 1992-09-02 Olympus Optical Co., Ltd. Recording and reproducing apparatus provided in each data block with a secret information number

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 042 (P - 545) 6 February 1987 (1987-02-06) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 064 (P - 1002) 6 February 1990 (1990-02-06) *

Also Published As

Publication number Publication date
DE4343478A1 (en) 1995-06-22
EP0664520A2 (en) 1995-07-26

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