Magnetic writing control method for magnetic strip read/write device

Abstract

The invention discloses a method for control magnetic writing of a magnetic stripe reader-writer, which comprises the following steps: firstly, driving a write head by the writing current of a writing low diamagnetic medium when the magnetic stripe reader-writer receives a magnetism writing command, wherein the magnetic stripe reader-writer is in a low diamagnetic magnetism writing state; secondly, identifying a swiped magnetic card or bankbook, wherein if the identification result is the bankbook, the write head is also driven by the writing current of the writing low diamagnetic medium, and the magnetic stripe reader-writer is in the low diamagnetic magnetism writing state, and if the identification result is the magnetic card, the write head is driven by the writing current of a writing high diamagnetic medium, and the magnetic stripe reader-writer is switched to be in a high diamagnetic magnetism writing state; and thirdly, reading magnetic stripe information of the magnetic card or the bankbook by a reading head and comparing the magnetic stripe information with system write data, wherein if the magnetic stripe information is in accordance with the system write data, the magnetism writing work is finished, but if the magnetic stripe information is not in accordance with the system write data, the magnetism writing operation is performed again by swiping the magnetic card or the bankbook, and the operation can be performed repeatedly until the magnetism writing is successful. The method can be applied to the prior software systems of banks and is compatible with the prior magnetic stripes used by the banks.

Description

【Technical field】 [0001] The present invention relates to a magnetic writing control method of a magnetic stripe reader, in particular to a method that can automatically identify a magnetic card or a passbook, and perform high write resistance on the magnetic card or low write resistance on the passbook according to the recognition result. Write magnetic control method. 【Background technique】 [0002] At present, the magnetic cards issued by domestic banks use high-density magnetic stripes with a coercive force of 2750Oe, and the passbooks use low-density magnetic stripes with a coercive force of 300Oe. The magnetic recording equipment used mainly includes magnetic stripe readers and card punching machines. , The magnetic stripe reader is mainly used at the bank counter. The bank teller manually swipe the card to record the information on the passbook or magnetic card. The punch card machine is mainly used in the bank card making center or card manufacturer. The punch card m...

AI Technical Summary

Problems solved by technology

However, the instructions of the existing banking system and the magnetic stripe reader only support one write command. If two write commands are to be used to control high-resistance and low-resistance write magnetism respectively, it is necessary to carry out large-scale modifications to the existing banking software and hardware systems. The cost of upgrading and transformation is extremely high, so this method has not been used

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