Patents by Inventor David Stoltzmann

David Stoltzmann 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).

  • Multi-color illumination device in fingerprint imaging system with microprism diffuser
    Patent number: 7455424
    Abstract: A system for optically imaging an object includes an optical platen having an object receiving surface. The object receiving surface is illuminated by a multi-color light source, and a color imaging system forms an image of the object on the object receiving surface.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: November 25, 2008
    Assignee: Identix Incorporated
    Inventors: Daniel Frederick Maase, David Stoltzmann, Bryan Scott
  • High performance fingerprint imaging system
    Publication number: 20070121098
    Abstract: A system for optically imaging an object includes an optical platen having an object receiving surface. The object receiving surface is illuminated by a multi-color light source, and a color imaging system forms an image of the object on the object receiving surface.
    Type: Application
    Filed: January 25, 2007
    Publication date: May 31, 2007
    Inventors: Daniel Maase, David Stoltzmann, Bryan Scott
  • High performance fingerprint imaging system
    Patent number: 7199868
    Abstract: A system for optically imaging an object includes an optical platen having an object receiving surface. The object receiving surface is illuminated by a multi-color light source, and a color imaging system forms an image of the object on the object receiving surface.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: April 3, 2007
    Assignee: Identix Incorporated
    Inventors: Daniel Frederick Maase, David Stoltzmann, Bryan Scott
  • Apparatus and method for illumination of an optical platen
    Patent number: 7148466
    Abstract: An apparatus for optically imaging an object includes an optical platen having an object receiving surface. The object receiving surface is directly illuminated by a first light source, and is illuminated by total internal reflection by a second light source.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: December 12, 2006
    Assignee: Identix Incorporated
    Inventors: Ryan E. Eckman, David Stoltzmann, Dean Rose, Lubomir Koudelka
  • High performance fingerprint imaging system
    Publication number: 20060104492
    Abstract: A system for optically imaging an object includes an optical platen having an object receiving surface. The object receiving surface is illuminated by a multi-color light source, and a color imaging system forms an image of the object on the object receiving surface.
    Type: Application
    Filed: October 27, 2005
    Publication date: May 18, 2006
    Inventors: Daniel Maase, David Stoltzmann, Bryan Scott
  • Apparatus and method for illumination of an optical platen
    Publication number: 20040212896
    Abstract: An apparatus for optically imaging an object includes an optical platen having an object receiving surface. The object receiving surface is directly illuminated by a first light source, and is illuminated by total internal reflection by a second light source.
    Type: Application
    Filed: December 18, 2003
    Publication date: October 28, 2004
    Applicant: Identix Incorporated
    Inventors: Ryan E. Eckman, David Stoltzmann, Dean Rose, Lubomir Koudelka