Information storage system

Claim 1

A fixed information storage system comprising a plurality of magnetic cores, each magnetic core having an aperture aNd having linear magnetic characteristics, a plurality of data lines, each data line passing through the apertures of a different group of data cores, a readout line coupled to each data core, means for selecting a particular data line including a plurality of input selection means, each said selection means including a solid state device having emitter, base and collector terminals, each said solid state device being connected in common base configuration and having its collector terminal connected to one end of a data line and its base terminal connected to a selector switch, a plurality of switch devices arranged in a two-dimensional array, a first group of said switch devices being connected to the base electrodes of corresponding ones of said solid state devices and a second group of said switches being connected to the ends of said data lines remote from said solid state devices, a constant current source connected to the emitter terminals of all of said solid state devices, means responsive to an input signal for applying a current pulse from said constant current source to the selected data line to produce output signals in said readout lines of those data elements coupled to said selected data line, a storage device connected to each said readout line and means for applying a reset signal to said storage devices in overlap with said input signal, said reset signal terminating prior to said input signal.