Patents by Inventor Martin Helfer

Martin Helfer 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).

  • Publication number: 20060266120
    Abstract: In order to provide a method for determining the component of noise which results from the rolling of at least one wheel of a vehicle on a roadway in the total noise in the interior of a vehicle with the aid of which method a noise component of the tyre-roadway noise within the total noise in the interior of a vehicle can be determined in a simple manner, it is proposed that the vehicle that is to be measured on which there is arranged at least one wheel and also at least one recording of the tyre rolling noise be made available, that the recording of the tyre rolling noise be reproduced in the vicinity of at least one wheel arranged on the vehicle being measured, and that the noise component that is to be determined be measured at at least one internal spatial point in the interior of the vehicle during the reproduction of the recording of the tyre rolling noise.
    Type: Application
    Filed: October 24, 2005
    Publication date: November 30, 2006
    Applicant: Forschungsinstitut fuer Kraftfahrwesen und Fahrzeugmotoren Stuttgart (FKFS)
    Inventors: Matthias Riegel, Martin Helfer