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Traffic directing system for parking areas

  • US 3,110,010 A
  • Filed: 05/01/1961
  • Issued: 11/05/1963
  • Est. Priority Date: 05/01/1961
  • Status: Expired due to Term
First Claim
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1. IN A PARKING FACILITY HAVING AT LEAST TWO PARKING AREAS, MEANS FOR REGISTERING AT EACH INSTANT THE NUMBER OF AVAILABLE PARKING SPACES IN THE FIRST OF SAID AREAS, SIGNALLING MEANS BEING OPERABLE TO PRESENT A FIRST SIGNAL INDICATION DIRECTING FURTHER INCOMING VEHICLES INTO SAID FIRST AREA AND TO PRESENT ALTERNATIVELY A SECOND SIGNAL INDICATION DIRECTING FURTHER INCOMING VEHICLES TO THE SECOND OF SAID AREAS, MEANS COUPLED BETWEEN SAID REGISTERING MEANS AND SAID SIGNALLING MEANS FOR CONTROLLING SAID SIGNALLING MEANS TO DISPLAY SAID FIRST SIGNAL INDICATION SO LONG AS THE NUMBER OF AVAILABLE PARKING SPACES REGISTERED BY SAID REGISTERING MEANS EXCEEDS A PREDETERMINED NUMBER AND TO DISPLAY SAID SECOND SIGNAL INDICATION WHEN THE NUMBER OF AVAILABLE PARKING SPACES REGISTERED BY SAID REGISTERING MEANS FAILS TO EXCEED SAID PREDETERMINED MINIMUM NUMBER, AUXILIARY SIGNAL INDICATION MEANS ALSO CONTROLLED BY SAID COUPLING MEANS AND BEING OPERABLE TO DISPLAY A DISTINCTIVE SIGNAL INDICATION FOR ALL COUNT VALUES REGISTERED BY SAID REGISTERING MEANS EXCEEDING SAID PREDETERMINED MINIMUM VALUE BUT NOT EXCEEDING A PREDETERMINED HIGHER VALUE, WHEREBY SAID FIRST SIGNAL INDICATION IS DISPLAYED BY SAID SIGNALLING MEANS AND INCOMING VEHICLES ARE DIRECTED BY SAID SIGNALLING MEANS TO SAID FIRST PARKING AREA UNTIL SAID PREDETERMINED MINIMUM VALUE IS REGISTERED BY SAID REGISTERING MEANS BUT SAID AUXILIARY INDICATION IS DISPLAYED PRIOR TO THE ATTAINMENT OF SAID PREDETERMINED MINIMUM VALUE CONCURRENTLY WITH THE DISPLAY OF SAID FIRST SIGNAL INDICATION BY SAID SIGNALLING MEANS TO THEREBY INDICATE THE IMMINENT ATTAINMENT OF A FILLED CONDITION OF SAID FIRST PARKING AREA.

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