Method of recording data on card-like recording medium.

摘要

In a method of recording data on a card-like recording medium, such as an optical or magnetic card, in which a data recording operation is performed by moving the card-like recording medium reciprocally in normal and reverse directions with respect to a recording head, the data recording operation is performed in such a manner that the data are recorded in the same order and the same modulation method when viewed from one direction of the relative and reciprocal movement.