Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent
1990-06-18
1991-06-11
Levy, Stuart S.
Registers
Systems controlled by data bearing records
Credit or identification card systems
235379, 235449, 360 2, G06K 908, G11B 2504
Patent
active
050234366
ABSTRACT:
A method for searching the magnetic stripe on a credit card to determine the indispensably read out track comprising the steps of reading a card number from any one of the several tracks, determining if the credit card has an indispensably read out track already decided by the issuer of the card, reading out a track number for indispensable data from memory if such read out track has been decided, reading out indispensable data from the read out track using the track number, reading out a track searching mode on a priority basis from memory if such read out track has not been decided, reading out a first priority track which is known by the mode for the credit card, determining the read out data as being indispensable if no reading error occurs, and sending the indispensable data to a host computer for business transactions. The method is accomplished by apparatus for reading data from the tracks, for identifying the indispensably read track, and for performing the business transactions.
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Shimoyama Osamu
Takada Kazuo
du Bois Steven M.
Hawk Jr. Wilbert
Jenkins Matthew R.
Levy Stuart S.
NCR Corporation
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