Patents by Inventor Harri Matti-Heikki Laakkonen

Harri Matti-Heikki Laakkonen 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).

  • APPARATUS AND METHOD FOR MEASURING PHTOPLETHYSMOGRAM
    Publication number: 20220296117
    Abstract: Disclosed is an apparatus for measuring photoplethysmogram. The apparatus includes a ring structure with at least one photon source and at least one photon detector positioned on an inner surface of the ring structure. The apparatus further includes a controller configured to measure a preliminary photoplethysmogram during a first time period by taking a first number of samples, determine a form factor from said preliminary photoplethysmogram, determine an inter beat interval from said preliminary photoplethysmogram, and use the form factor and the inter beat interval to determine a second number of samples to be taken during a second time period of measurement of the photoplethysmogram and the distribution of the samples to be taken in function of time.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 22, 2022
    Inventors: Harri Matti-Heikki Laakkonen, Hannu Olavi Kinnunen, Markku Olavi Koskela
  • Apparatus and method for measuring photoplethysmogram
    Patent number: 11291378
    Abstract: An apparatus for measuring photoplethysmogram includes a ring structure with at least one photon source and at least one photon detector positioned on an inner surface of the ring structure. The apparatus further includes a controller configured to measure a preliminary photoplethysmogram during a first time period by taking a first number of samples, determine a form factor from the preliminary photoplethysmogram, determine an inter beat interval from the preliminary photoplethysmogram, and use the form factor and the inter beat interval to determine a second number of samples to be taken during a second time period of measurement of the photoplethysmogram and the distribution of the samples to be taken in function of time.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: April 5, 2022
    Assignee: Oura Health Oy
    Inventors: Harri Matti-Heikki Laakkonen, Hannu Olavi Kinnunen, Markku Olavi Koskela
  • APPARATUS AND METHOD FOR MEASURING PHOTOPLETHYSMOGRAM
    Publication number: 20160213267
    Abstract: Disclosed is an apparatus for measuring photoplethysmogram. The apparatus includes a ring structure with at least one photon source and at least one photon detector positioned on an inner surface of the ring structure. The apparatus further includes a controller configured to measure a preliminary photoplethysmogram during a first time period by taking a first number of samples, determine a form factor from said preliminary photoplethysmogram, determine an inter beat interval from said preliminary photoplethysmogram, and use the form factor and the inter beat interval to determine a second number of samples to be taken during a second time period of measurement of the photoplethysmogram and the distribution of the samples to be taken in function of time.
    Type: Application
    Filed: January 27, 2015
    Publication date: July 28, 2016
    Inventors: Harri Matti-Heikki Laakkonen, Hannu Olavi Kinnunen, Markku Olavi Koskela