Matrix Driving with Unidirectional Pulses

Abstract

Modification of the driving scheme during either the READ or the WRITE part of the READ-WRITE cycle would allow unidirectional current pulses in the rows and columns of a magnetic-matrix memory. This modification involves driving of all but the selected row and column during the modified part of the cycle. It requires additional low-level switching equipment and much larger total driving current, but with a tube-driven array, it eliminates half of the row and column wires and driver tubes.