Patents by Inventor MARTEN JEROEN PIIJL

MARTEN JEROEN PIIJL 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).

  • Method and apparatus for determining the orientation of an accelerometer
    Patent number: 10188322
    Abstract: There is provided a method of determining the orientation of an accelerometer that is being carried or worn by a user, the method comprising measuring acceleration using the accelerometer as the user moves; processing the measured acceleration to determine a step frequency of the movements by the user; and processing the measured acceleration to identify a lateral component of acceleration as a component of acceleration having a high response at a frequency corresponding to half the step frequency.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: January 29, 2019
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Marten Jeroen Piijl, Johannes Henricus Maria Korst
  • METHOD AND APPARATUS FOR DETERMINING THE ORIENTATION OF AN ACCELEROMETER
    Publication number: 20180192917
    Abstract: There is provided a method of determining the orientation of an accelerometer that is being carried or worn by a user, the method comprising measuring acceleration using the accelerometer as the user moves; processing the measured acceleration to determine a step frequency of the movements by the user; and processing the measured acceleration to identify a lateral component of acceleration as a component of acceleration having a high response at a frequency corresponding to half the step frequency.
    Type: Application
    Filed: May 7, 2015
    Publication date: July 12, 2018
    Inventors: MARTEN JEROEN PIIJL, JOHANNES HENRICUS MARIA KORST