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Automatic recorder for centralized traffic controlling system

  • US 3,109,616 A
  • Filed: 02/28/1961
  • Issued: 11/05/1963
  • Est. Priority Date: 02/28/1961
  • Status: Expired due to Term
First Claim
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1. IN APPARATUS FOR RECORDING THE ROUTE TAKEN BY A TRAIN THROUGH A TRACK LAYOUT HAVING A TRACK SWITCH FOR ESTABLISHING DIFFERENT ROUTES THROUGH SAID TRACK LAYOUT, WITH DETECTION MEANS FOR EACH SAID ROUTE FOR REGISTERING TRACK OCCUPANCY, THE COMBINATION COMPRISING, SWITCH POSITION INDICATION MEANS SELECTIVELY OPERATED IN ACCORDANCE WITH THE POSITION OF SAID TRACK SWITCH, CIRCUIT MEANS INCLUDING ONLY ONE STYLUS FOR RECORDING DISTINCTIVE CONFIGURATIONS, AND CONTROL MEANS OPERATED BY SAID DETECTION MEANS FOR RENDERING SAID SWITCH POSITION INDICATION MEANS EFFECTIVE FOR PROVIDING A DISTINCTIVE CONTROL FOR SAID STYLUS OF SAID CIRCUIT MEANS IN ACCORDANCE WITH THE POSITION OF SAID

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