Inductive signal transfer device, useful for aviators' helmets

• US 3,387,606 A
• Filed: 03/12/1962
• Issued: 06/11/1968
• Est. Priority Date: 03/12/1962
• Status: Expired due to Term

• Current Assignee: Sabre Industries Incorporated (Corinthian Capital Group LLC)
• Original Assignee: Cecil A. Crafts, John E. Mitchell, Maynard D. Mcfarlane
• Inventors: Crafts, Cecil A., Mcfarlane, Maynard D., Mitchell, John E.
• Application Number:
  US04/178,980
• Time in Patent Office: 2,283 Days
• US Class Current: 128/202.27
• CPC Class Codes: A62B 9/04 Couplings; Supporting frames
• CPC Class Codes: B64D 10/00 Flight suits helmets in general A42B3/00; breathing helmets A62B18/00
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: Y10S 336/02 Separable
• CPC Class Codes: Y10S 439/95 Electrical connector adapted to transmit electricity to mating connector without physical contact, e.g. by induction, magnetism, or electrostatic field

Claims

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.