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Apparatus for identifying and phasing electrical conductors

  • US 3,076,931 A
  • Filed: 12/23/1959
  • Issued: 02/05/1963
  • Est. Priority Date: 12/23/1959
  • Status: Expired due to Term
First Claim
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1. AN APPARATUS FOR SIMULTANEOUSLY IDENTIFYING A MULTICONDUCTOR CABLE INCLUDING A PLURALITY OF PHASE CONDUCTORS AND PHASING THE DIFFERENT CONDUCTORS THEREOF IN A SINGLE OPERATION AT A TEST POINT INTERMEDIATE A PAIR OF REFERENCE LOCATIONS SPACED APART ALONG SAID CABLE, THE CONDUCTORS BEING INTERCOUPLED AT ONE OF SAID REFERENCE LOCATIONS, COMPRISING SIGNAL MEANS COUPLED TO AT LEAST GIVEN ONES OF SAID CONDUCTORS AT THE OTHER OF SAID REFERENCE LOCATIONS FOR ESTABLISHING A FLOW OF IMPULSES ON EACH OF SAID GIVEN CONDUCTORS IN A CYCLIC MANNER ACCORDING TO A PREDETERMINED CODE AND THUS ESTABLISHING FIELDS EXTERNALLY OF THE CABLE VARYING WITH THE IMPULSE FLOW ON EACH OF SAID GIVEN CONDUCTORS, THE CODE FOR EACH DIFFERENT ONE OF SAID GIVEN CONDUCTORS BEING DIFFERENT AT LEAST IN TIME, AND SIGNAL RESPONSIVE MEANS FOR LOCATING THE MAXIMUM FIELDS ESTABLISHED AT DIFFERENT POINTS ABOUT THE CABLE PERIPHERY, INCLUDING MEANS FOR INDICATING THE CODED PULSING OF EACH OF SAID FIELDS AS LOCATED.

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