Automatic data correction for batchfabricated memories

Claim 1

A MEMORY SYSTEM INCLUDING A MAIN MEMORY STORING A PLURALITY OF MULTIBIT WORD REGISTERS COMPOSED BY BINARY CHARACTERS WHEREIN THE BINARY BITS FORMING ONE OF SAID BINARY CHARACTERS ARE PERMANENTLY DEFECTIVE. AN AUXILIARY MEMORY HAVING PRETESTED WORD REGISTERS OF HIGHEST RELIABILITY, MEANS FOR INDICATING THE PRESENCE OF ANY PERMANENTLY DEFECTIVE BIT POSITION WITHIN A CHARACTER OF A WORD REGISTER IN MAIN MEMORY, SAID INDICATING MEANS COMPRISING A BINARY CHARACTER FORMED OF A FIXED ARRAY OF BITS LOCATED WITHIN THE WORD REGISTER ADJACENT THAT BINARY CHARACTER THAT INCLUDES THE DEFECTIVE BITS, MEANS FOR ALSO STORING WITHIN SAID DEFECTIVE REGISTER, IN THE FORM OF BINARY CHARACTERS, THE ADDRESS IN SAID AUXILIARY MEMORY OF SUBSTITUTABLE CHARACTERS THAT ARE NEEDED TO REPLACE THE BAD CHARACTER, INDICATING CHARACTER AND ADDRESS CHARACTERS OF SAID PARTIALLY DEFECTIVE WORD REGISTER IN MAIN MEMORY, MEANS FOR DETECTING THE PRESENCE OF SAID PARTIALLY DEFECTIVE REGISTER DURING THE ATTEMPTED READOUT FROM MAIN MEMORY OF SAID PARTIALLY DEFECTIVE REGISTER, AND MEANS FOR SIMULTANEOUSLY GATING OUT THE SUBSTITUTABLE CHARACTERS IN THE AUXILIARY MEMORY WITH THE UNCORRECTED CHARACTERS IN THE PARTIALLY DEFECTIVE WORD REGISTER.