BI-DIRECTIONAL MAGNETIC CARD READER

摘要

a magnetic card(11) recorded where the information is recorded on a first and a second track(12,14) bi-directionally; a first magnetic card header(16) installed in order to read the information of the first track(12) of the magnetic card(11); and a second magnetic card header(15) installed on the opposite side of the first magnetic card header(16) in order to read the information of the second track(14).