Reading and writing device for use in magnetic core storages

Claim 1

A MAGNETIC MEMORY SYSTEM COMPRISING A PLURALITY OF MAGNETIC MATRIX MEMORY ELEMENTS ARRANGED IN A MATRIX INCLUDING ROWS AND COLUMNS, EACH MATRIX MEMORY ELEMENT BEING CAPABLE OF ASSUMING AT LEAST TWO STABLE MAGNETIC STATES, EACH MATRIX MEMORY ELEMENT HAVING MAGNETICALLY COUPLED THERETO A PLURALITY OF WINDINGS COMPRISING READ, WRITE AND INHIBIT WINDINGS, AN AUXILIARY MAGNETIC MEMORY ELEMENT, SAID AUXILIARY ELEMENT HAVING MAGNETICALLY COUPLED THERETO A FIRST WINDING AND A SECOND WINDING, SAID FIRST WINDING BEING COUPLED TO A READ WIRE CONNECTING ALL OF SAID READ WINDINGS, SAID SECOND WINDING BEING COUPLED TO AN INHIBIT WIRE CONNECTING ALL OF SAID INHIBIT WINDINGS, MEANS FOR SELECTIVELY APPLYING READ PULSES OF A PREDETERMINED POLARITY OF THE MATRIX MEMORY ELEMENTS FOR READING OUT THE INFORMATION STORED THEREIN, MEANS FOR SELECTIVELY APPLYING REWRITE PULSES OF A PREDETERMINED POLARITY TO THE MATRIX MEMORY ELEMENTS AND TO SAID SECOND WINDING OF THE AUXILIARY ELEMENT, SAID REWRITE PULSE BEING SPACED SEPARATELY IN TIME FROM SAID READ PULSES, AND INHIBIT WIRE SUPPLYING PULSES TO SAID INHIBIT WINDINGS DEPENDENT ON THE INFORMATION READ OUT BY SAID READ PULSES AND SUPPLIED TO THE FIRST WINDING OF SAID AUXILIARY ELEMENT.