Inductive signal transfer device, useful for aviators' helmets

Claim 1

A SIGNAL TRANSFER DEVICE FOR QUICK DISCONNECT SERVICE INTERCONNECTING A PLURALITY OF SEPARATED CIRCUITS, A FIRST TRANSFORMER HAVING A SECONDARY CORE MEMBER AND WINDING ENTIRELY IMBEDDED WITHIN A PLASTIC RECEPTACLE WALL, A PRIMARY CORE AND WINDING ENTIRELY IMBEDDED IN A PLASTIC PLUG UNIT ADAPTED TO BE FITTED WITHIN SAID RECEPTACLE, SAID PLUG AND RECEPTACLE UNITS BEING KEYED FOR ENGAGEMENT IN PREDETERMINED ALIGNMENT, SAID CORE MEMBERS BEING SUBSTANTIALLY OF C-FORM AND OF SIZE AND DISPOSITION WITHIN SAID PLUG AND RECEPTACLE UNITS, WHEN ALIGNED, TO SUBSTANTIALLY COMPLETE A HIGH PERMEABILITY MAGNETIC PATH THROUGH SAID PRIMARY AND SECONDARY CORE MEMBERS, A SECOND TRANSFORMER HAVING PRIMARY AND SECONDARY CORE MEMBERS EACH WITH A WINDING THEREON ENTIRELY IMBEDDED WITHIN RECEPTACLE AND PLUG UNITS, RESPECTIVELY, SAID CORE MEMBERS BEING ORIENTED AT LEAST 90* FROM THE CORE MEMBERS OF THE FIRST TRANSFORMERS FOR REDUCTION OF MAGNETIC INTERCOUPLING THEREBETWEEN, AND SIGNAL TRANSMIT-RECEIVE MEANS CONNECTED TO SAID WINDINGS OF SAID FIRST AND SECOND TRANSFORMERS FOR THE CONVEYING OF SEPARATE SIGNALS THERETHROUGH IN A PLURALITY OF CIRCUITS.