Magnetic card recording/reproducing apparatus and method

Details Magnetic card recording/reproducing apparatus and method Magnetic card recording/reproducing apparatus and method

1998-09-14

2000-10-31

Pitts, Harold I.

Dynamic magnetic information storage or retrieval

Recording on or reproducing from an element of diverse utility

Card

235449, 235493, G11B 2504

Patent

active

061411612

ABSTRACT:
According to the presents invention, there are provided a magnetic card recording/reproducing apparatus comprising a coercive force identifier for identifying the coercive force of a magnetic card before magnetic information is recorded in the magnetic card, and an exciting current selector for selecting one of plural preset exciting current values as exciting current to be supplied to a recording magnetic head on the basis of the identification result of the coercive force identifier to record the magnetic information, and a magnetic card recording/reproducing method for recording/reproducing magnetic information in a magnetic card, which comprises the steps of: identifying the coercive force of the magnetic card before magnetic information is recorded in the magnetic card, and selecting one of plural predetermined exciting current values as exciting current to be supplied to a recording magnetic head for recording the magnetic information in the magnetic card on the basis of the identification result of the coercive force identifying step so that the magnetic information will be recorded in the magnetic card with the exciting current thus selected.

REFERENCES:
patent: 5479532 (1995-12-01), Abel et al.

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