| 摘要 |
PURPOSE:To facilitate an easy control to the presence of a defective minor loop, by providing both a flag part and a flag transfer line in correspondence to a minor loop and read out the defective flag information. CONSTITUTION:A number of minor loops are provided between a reading major line M1' and a writing major line M2'. Then flag parts F1-Fn are provided between flag transfer lines T1 and T2 of the reading and writing modes and in correspondence to each minor loop. In case a minor loop has some defect, a flag bubble f showing the presence of defect is set at the corresponding flag part. In such way, in case a data is read out of the minor loop that received a quality inspection, a rotary magnetic filed is applied to each minor loop to read the data of a desired address. This data is copied onto the line M1', and then a rotary magnetic field is applied separately to successively read the data of M1' out of a terminal 3. In this case, the defective falg information f is also read simultaneously. |
