Portable demagnetizer

Claim 1

A DEVICE FOR DEMAGNETIZING MAGNETIC BODIES COMPRISING A SOURCE OF ALTERNATING CURRENT, A BIFILAR WOUND COIL HAVING FIRST AND SECOND WINDINGS, EACH OF SAID WINDINGS HAVING FIRST AND SECOND ENDS, SAID FIRST END OF SAID FIRST WINDING CONNECTED TO THE GEOMETRICALLY OPPOSITE END OF SAID SECOND WINDING AND TO SAID SOURCE OF ALTERNATING CURRENT, SWITCHING MEANS COMPRISING FIRST AND SECOND GASEOUS DISCHARGE TUBES, EACH OF SAID TUBES HAVING A CATHODE, AN ANODE, AND A CONDUCTION CONTROLLING GRID, THE ANODE OF SAID FIRST TUBE BEING CONNECTED TO THE SECOND END OF SAID FIRST WINDING, THE ANODE OF SAID SECOND TUBE BEING CONNECTED TO THE OTHER END OF SAID SECOND WINDING, EACH CATHODE BEING CONNECTED TO A SOURCE OF POWER, GENERATING MEANS FOR PRODUCING A SUBSTANTIALLY SQUARE WAVE VOLTAGE, SAID GENERATING MEANS HAVING FIRST AND SECOND OUTPUT TERMINALS AT POINTS WHEREBY THE VOLTAGE AT SAID SECOND OUTPUT TERMINAL IS SUBSTANTIALLY 180* OUT OF PHASE WITH THE VOLTAGE AT SAID FIRST OUTPUT TERMINAL, MEANS FOR IMPRESSING THE VOLTAGE AT SAID FIRST OUTPUT TERMINAL UPON THE GRID OF SAID FIRST GASEOUS DISCHARGE TUBE, AND MEANS FOR IMPRESSING THE VOLTAGE AT SAID SECOND OUTPUT TERMINAL UPON THE GRID OF SAID SECOND GASEOUS DISCHARGE TUBE.