Patents by Inventor Esko Herrala

Esko Herrala 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).

  • Imaging spectrometer
    Patent number: 8994939
    Abstract: Optical radiation from a sample is received by the slit and it is passed through an aperture in a reflective plane of a folding mirror towards a curved reflective surface of a collimating mirror. The slit and the curved reflective surface have a common optical axis. The reflective plane and the curved reflective surface face each other. The optical radiation passed through the folding mirror is collimated by the curved reflective surface. The collimated optical radiation is directed to the reflective plane of the folding mirror by the curved reflective surface. The collimated optical radiation is reflected in a direction other than the common optical axis of the slit and the curved reflective surface by the reflective plane.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: March 31, 2015
    Assignee: Specim, Spectral Imaging Oy Ltd
    Inventor: Esko Herrala
  • Imaging Spectrometer
    Publication number: 20120105845
    Abstract: Optical radiation from a sample is received by the slit and it is passed through an aperture in a reflective plane of a folding mirror towards a curved reflective surface of a collimating mirror. The slit and the curved reflective surface have a common optical axis. The reflective plane and the curved reflective surface face each other. The optical radiation passed through the folding mirror is collimated by the curved reflective surface. The collimated optical radiation is directed to the reflective plane of the folding mirror by the curved reflective surface. The collimated optical radiation is reflected in a direction other than the common optical axis of the slit and the curved reflective surface by the reflective plane.
    Type: Application
    Filed: October 18, 2011
    Publication date: May 3, 2012
    Applicant: SPECIM, SPECTRAL IMAGING OY LTD
    Inventor: Esko Herrala