Patents by Inventor Todd F. Blalock

Todd F. Blalock 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 for measurement of the axial length of an eye
    Patent number: 8199329
    Abstract: An apparatus for measuring the axial length of a human eye, the apparatus comprising a low coherence light source; a beam splitter; a fast displacement module for rapidly varying the path length within a reference arm of an interferometer; a laser directing a laser beam that is co-propagating with light from the low coherence light source into the displacement module.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: June 12, 2012
    Assignee: Lumetrics, Inc
    Inventors: Todd F. Blalock, Filipp V. Ignatovich
  • APPARATUS FOR MEASUREMENT OF THE AXIAL LENGTH OF AN EYE
    Publication number: 20110090461
    Abstract: An apparatus for measuring the axial length of a human eye, the apparatus comprising a low coherence light source; a beam splitter; a fast displacement module for rapidly varying the path length within a reference arm of an interferometer; a laser directing a laser beam that is co-propagating with light from the low coherence light source into the displacement module.
    Type: Application
    Filed: December 28, 2010
    Publication date: April 21, 2011
    Applicant: LUMETRICS, INC.
    Inventors: Todd F. BLALOCK, Filipp V. IGNATOVICH
  • Apparatus for measurement of the axial length of an eye
    Patent number: 7884946
    Abstract: An apparatus for measuring the axial length of a human eye, the apparatus comprising a low coherence light source; a beam splitter; a fast displacement module for rapidly varying the path length within a reference arm of an interferometer; a laser directing a laser beam that is co-propagating with light from the low coherence light source into the displacement module.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: February 8, 2011
    Assignee: Lumetrics, Inc.
    Inventors: Todd F. Blalock, Filipp Ignatovich
  • Apparatus for measurement of the axial length of an eye
    Publication number: 20090268213
    Abstract: An apparatus for measuring the axial length of a human eye, the apparatus comprising a low coherence light source; a beam splitter; a fast displacement module for rapidly varying the path length within a reference arm of an interferometer; a laser directing a laser beam that is co-propagating with light from the low coherence light source into the displacement module.
    Type: Application
    Filed: April 28, 2008
    Publication date: October 29, 2009
    Inventors: Todd F. Blalock, Filipp Ignatovich
  • Thickness measurement of moving webs and seal integrity system using dual interferometer
    Patent number: 7206076
    Abstract: A system and method for measuring the thickness of materials and coatings across a moving length of material such as sheet, film, or web by the use of non-contact optical interferometry is provided. Also, a system and method for evaluating the seal integrity in flexible packaging across a moving web by the use of non-contact optical interferometry is provided. Measurement of optical density and thickness, and the combination of various measurements in the production and process of manufacturing materials such as flexible packaging items that involve moving webs of material is disclosed. The present invention concerns the system and method involved in the collection and interpretation of data for these measurements and inspections.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: April 17, 2007
    Assignee: Lumetrics, Inc.
    Inventor: Todd F. Blalock