Indication system and storage apparatus

Claim 1

IN A CENTRALIZED TRAFFIC CONTROL ORGANIZATION FOR INDICATING THE CONDITION OF A SINGLE PIECE OF APPARATUS IN RESPONSE TO THE CHARACTER OF EACH DIGIT OF AN INDICATION CODE CYCLE HAVING A SERIES OF DIGITS, AND FOR CAUSING SIMULTANEOUSLY TWO INDICATIONS FOR A SINGLE SELECTED PIECE OF APPARATUS WHEREIN AN OUTPUT VOLTAGE OF OPPOSITE POLARITIES IS SELECTIVELY APPLIED TO AN OUTPUT CIRCUIT FOR EACH INDIVIDUAL DIGIT, THE COMBINATION OF AN ELECTRONIC STORAGE DEVICE FOR EACH OUTPUT CIRCUIT OF AN INDICATION CODE CYCLE, EACH SAID STORAGE DEVICE HAVING AN ANODE AND CATHODE AND GATING ELECTRODE, CIRCUIT MEANS CONNECTING EACH OF SAID STORAGE DEVICES TO A RESPECTIVE OUTPUT CIRCUIT TO GOVERN SAID STORAGE DEVICE TO CONDUCT IN RESPONSE TO AN OUTPUT VOLTAGE OF ONE POLARITY AND TO GOVERN SAID STORAGE DEVICE TO CEASE CONDUCTING IN RESPONSE TO AN OUTPUT VOLTAGE OF OPPOSITE POLARITY, A FIRST INDICATION MEANS CONNECTED TO EACH OF SAID STORAGE DEVICES OPERATED TO ONE CONDITION IN RESPONSE TO THE CONDUCTING OF ITS STORAGE DEVICE AND TO ANOTHER CONDITION IN RESPONSE TO THE NON-CONDUCTING OF ITS RESPECTIVE STORAGE DEVICE, A COUPLING CIRCUIT MEANS CONNECTED TO SELECTED PAIRS OF SAID STORAGE DEVICES OPERATIVE TO PASS AN EFFECTIVE VOLTAGE PULSE IN RESPONSE TO THE APPLICATION OF AN OUTPUT VOLTAGE OF SAID ONE POLARITY ONLY TO ITS RESPECTIVELY CONNECTED STORAGE DEVICES, A MONO-STABLE MULTIVIBRATOR ELECTRICALLY CONNECTED TO SAID COUPLING CIRCUIT MEANS OPERATED IN RESPONSE TO SAID EFFECTIVE VOLTAGE PULSE FROM SAID COUPLING CIRCUIT MEANS, AND A SECOND INDICATION MEANS RESPONSIVE TO THE OPERATION OF SAID MONOSTABLE MULTIVIBRATOR.