Patents by Inventor Ole-Herman Bjor

Ole-Herman Bjor 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).

  • Optical displacement sensor element
    Patent number: 10514249
    Abstract: The present invention relates to an optical displacement sensor comprising a first at least partially reflective surface and a second surface having a diffractive pattern, the surfaces being provided on elements having a variable distance between them, each surface pair defining a cavity between them. The sensor also comprising at least one light source transmitting light at least one a chosen wavelength range into said cavities and at least one light detector receiving light from the cavities, wherein said diffractive patterns are adapted to direct light toward at least one detector provided in a known position relative to said diffractive surfaces.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: December 24, 2019
    Assignee: Sintef TTO AS
    Inventors: Matthieu Lacolle, Ib-Rune Johansen, Thor Bakke, Ole-Herman Bjor
  • OPTICAL DISPLACEMENT SENSOR ELEMENT
    Publication number: 20190107386
    Abstract: The present invention relates to an optical displacement sensor comprising a first at least partially reflective surface and a second surface having a diffractive pattern, the surfaces being provided on elements having a variable distance between them, each surface pair defining a cavity between them. The sensor also comprising at least one light source transmitting light at least one a chosen wavelength range into said cavities and at least one light detector receiving light from the cavities, wherein said diffractive patterns are adapted to direct light toward at least one detector provided in a known position relative to said diffractive surfaces.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 11, 2019
    Applicant: SINTEF TTO AS
    Inventors: Matthieu LACOLLE, Ib-Rune JOHANSEN, Thor BAKKE, Ole-Herman BJOR
  • Optical displacement sensor element
    Patent number: 10190870
    Abstract: The present invention relates to an optical displacement sensor comprising a first at least partially reflective surface and a second surface having a diffractive pattern, the surfaces being provided on elements having a variable distance between them, each surface pair defining a cavity between them. The sensor also comprising at least one light source transmitting light at least one a chosen wavelength range into said cavities and at least one light detector receiving light from the cavities, wherein said diffractive patterns are adapted to direct light toward at least one detector provided in a known position relative to said diffractive surfaces.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: January 29, 2019
    Assignee: Sintef TTO AS
    Inventors: Matthieu Lacolle, Ib-Rune Johansen, Thor Bakke, Ole-Herman Bjor