Associative memory match indicator control

Claim 1

IN AN INFORMATION RETRIEVAL SYSTEM EMPLOYING A MEMORY UNIT COMPRISING A PLURALITY OF WORD REGISTERS, AN INTERROGATION REGISTER, MEANS FOR PERFORMING A SIMULTANEOUS MULTI-FIELD COMPARISON OF THE CONTENT OF EACH OF SAID WORD REGISTERS WITH THE CONTENT OF SAID INTERROGATING REGISTER, INDICATING MEANS ASSOCIAWTED WITH EACH WORD IN SAID MEMORY UNIT FOR INDICATING WHETHER EACH SUCH INDIVIDUAL WORD MATCHES OR DOES NOT MATCH THE CONTENT OF THE INTERROGATION REGISTER, SAID INDICATING MEANS INCLUDING TWO SUPERCONDUCTING CURRENT-CARRYING PARALLEL PATHS, ONE PATH INCLUDING A SINGLE CRYONTRON ELEMENT AND THE SECOND PATH INCLUDING TWO CRYOTRON ELEMENTS IN SERIES WITH EACH OTHER, WHEREIN SUPERCONDUCTING CURRENT IN THE PATH CONTAINING THE TWO CRYOTRONS REPRESENTS OF OFF STATE OF SAID INDICATING MEANS AND SUPERCONDUCTING CURRENT IN THE PATH CONTAINING THE SINGLE CRYOTRON REPRESENTS TH ON STATE OF SAID INDICATING MEANS, MEANS FOR DRIVING ONE OF SAID SERIES-CONNECTED CRYOTRONS TO THE RESISTIVE STATE SO AS TO SET SAID INDICATING MEANS TO ITS ON STATE, AND MEANS FOR CONDITIONING SAID INDICATING MEANS SO AS TO TURN SAID INDICATING MEANS TO OR RETAIN IT IN ITS ON STATE WHEN THERE IS A MATCH OR TO TURN SAID INDICATING MEANS TO ITS OFF STATE WHEN THERE IS A MISMATCH.