Patents by Inventor Gerrit Jan Willem Grievink

Gerrit Jan Willem Grievink has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8493237
    Abstract: A parking arrangement with parking places for vehicles and with an automatic vehicle detection system which comprises a central computer system and a wirelessly operating parking sensor module for determining the presence or absence of a vehicle in the parking place, which parking sensor module comprises at least one vehicle sensor, which provides measuring values which are representative of the presence or absence of a vehicle, provided with calibration means for determining the quiescent value, representing the absence of a vehicle, of the measuring values from the vehicle sensor, which calibration means by a self-organizing map method divide the measuring values into clusters of mutually close values, wherein the cluster having the largest number of measuring values is selected as representative of the quiescent value of the measuring values at a parking place, wherein each time an adjusted quiescent value is determined, and wherein a measuring value which differs from the quiescent value by more than a pr
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: July 23, 2013
    Assignee: N.V. Nederlandsche Apparatenfabriek NEDAP
    Inventors: Gerrit Jan Willem Grievink, Gerhard Johan Tannemaat
  • Publication number: 20110163894
    Abstract: A parking arrangement with parking places for vehicles and with an automatic vehicle detection system which comprises a central computer system and a wirelessly operating parking sensor module for determining the presence or absence of a vehicle in the parking place, which parking sensor module comprises at least one vehicle sensor, which provides measuring values which are representative of the presence or absence of a vehicle, provided with calibration means for determining the quiescent value, representing the absence of a vehicle, of the measuring values from the vehicle sensor, which calibration means by a self-organizing map method divide the measuring values into clusters of mutually close values, wherein the cluster having the largest number of measuring values is selected as representative of the quiescent value of the measuring values at a parking place, wherein each time an adjusted quiescent value is determined, and wherein a measuring value which differs from the quiescent value by more than a pr
    Type: Application
    Filed: September 18, 2009
    Publication date: July 7, 2011
    Inventors: Gerrit Jan Willem Grievink, Gerhard Johan Tannemaat