Patents by Inventor Dennis J. Gallegher

Dennis J. Gallegher 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 three-dimensional image capture with extended depth of field
    Patent number: 9264696
    Abstract: An optical system for capturing three-dimensional images of a three-dimensional object is provided. The optical system includes a projector for structured illumination of the object. The projector includes a light source, a grid mask positioned between the light source and the object for structured illumination of the object, and a first Wavefront Coding (WFC) element having a phase modulating mask positioned between the grid mask and the object to receive patterned light from the light source through the grid mask. The first WFC element is constructed and arranged such that a point spread function of the projector is substantially invariant over a wider range of depth of field of the grid mask than a point spread function of the projector without the first WFC element.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: February 16, 2016
    Assignee: OmniVision Technologies, Inc.
    Inventors: Paulo E. X. Sileira, Dennis J. Gallegher, Lu Gao
  • Apparatus And Method For Three-Dimensional Image Capture With Extended Depth Of Field
    Publication number: 20140132731
    Abstract: An optical system for capturing three-dimensional images of a three-dimensional object is provided. The optical system includes a projector for structured illumination of the object. The projector includes a light source, a grid mask positioned between the light source and the object for structured illumination of the object, and a first Wavefront Coding (WFC) element having a phase modulating mask positioned between the grid mask and the object to receive patterned light from the light source through the grid mask. The first WFC element is constructed and arranged such that a point spread function of the projector is substantially invariant over a wider range of depth of field of the grid mask than a point spread function of the projector without the first WFC element.
    Type: Application
    Filed: January 17, 2014
    Publication date: May 15, 2014
    Applicant: OmniVision Technologies, Inc.
    Inventors: Paulo E.X. Sileira, Dennis J. Gallegher, Lu Gao