Polarity sensitive fuse

Claim 1

IN COMBINATION; A VOLTAGE SOURCE, A LOAD, A RECTIFIER CELL, AND A POLARIZED FUSE; SAID VOLTAGE SOURCE, LOAD, RECTIFIER CELL AND POLARIZED FUSE BEING CONNECTED IN SERIES; SAID A POLARIZED FUSE HAVING OPERATIONAL CHARACTERISTICS DEPENDENT UPON THE DIRECTION OF CURRENT FLOW THROUGH SAID FUSE; SAID POLARIZED FUSE COMPRISING A FUSE LINK CONTAINED WITHIN A HOUSING; SAID FUSE LINK HAVING AN EXPLODABLE ELEMENT CONNECTED THERETO; SAID EXPLODABLE ELEMENT HAVING A PAIR OF TERMINALS FOR RECEIVING A DETONATING ELECTRICAL SIGNAL; AND A DETONATING ELECTRICAL CIRCUIT CONNECTED TO SAID PAIR OF TERMINALS; SAID ELECTRICAL CIRCUIT GENERATING A DETONATING ELECTRICAL SIGNAL RESPONSIVE TO PREDETERMINED ELECTRICAL CHARACTERISTICS OF CURRENT THROUGH SAID FUSE WHEN IN A FIRST DIRECTION; SAID ELECTRICAL CIRCUIT BEING INCAPABLE OF GENERATING A DETONATING ELECTRICAL SIGNAL WHEN CURRENT FLOWS THROUGH SAID FUSE IN A DIRECTION OPPOSITE SAID FIRST DIRECTION; SAID PREDETERMINED ELECTRICAL CHARACTERISTIC COMPRISING A REVERSE CURRENT THROUGH SAID RECTIFIER CELL WHICH IS BEYOND THE NORMAL REVERSE CURRENT OF SAID RECTIFIER CELL TO INDICATE THAT SAID RECTIFIER CELL HAS FAILED.