Patents by Inventor Paulo Chaves

Paulo Chaves 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).

  • Publication number: 20150055078
    Abstract: A variable beam expander, including: a first lens having a first focal length that is adjustable by a control circuit; a second lens having a second focal length that is adjustable by the control circuit; wherein the first lens and the second lens are separated by a fixed distance; and wherein the control circuit is configured to adjust the first and second focal lengths such that the sum of the first and second focal lengths is equal to the fixed distance.
    Type: Application
    Filed: August 22, 2014
    Publication date: February 26, 2015
    Inventors: Ross Johnstone, Paulo Chaves, Eric Lieser, Jeffrey S. Brooker
  • Patent number: 8575792
    Abstract: A stage comprising a first translation platform having a first axis of motion, and a second translation platform having a second axis of motion, a first linear drive motor for driving the first translation platform in the first axis of motion, and a second linear drive motor for driving the second translation platform in the second axis of motion, wherein each linear drive motor further comprises a coil assembly enclosing a rod stator, and wherein the coil assembly is fixed and the rod stator is movable within the coil assembly.
    Type: Grant
    Filed: October 16, 2010
    Date of Patent: November 5, 2013
    Assignee: Thorlabs, Inc.
    Inventors: Jeffrey S. Brooker, Paulo Chaves, Keith Dhese, Robin Eddington
  • Publication number: 20110089771
    Abstract: A stage comprising a first translation platform having a first axis of motion, and a second translation platform having a second axis of motion, a first linear drive motor for driving the first translation platform in the first axis of motion, and a second linear drive motor for driving the second translation platform in the second axis of motion, wherein each linear drive motor further comprises a coil assembly enclosing a rod stator, and wherein the coil assembly is fixed and the rod stator is movable within the coil assembly.
    Type: Application
    Filed: October 16, 2010
    Publication date: April 21, 2011
    Applicant: THORLABS, INC.
    Inventors: Jeffrey S. Brooker, Paulo Chaves, Keith Dhese, Robin Eddington
  • Patent number: D653274
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: January 31, 2012
    Assignee: Thorlabs, Inc.
    Inventors: Jeffrey S. Brooker, Paulo Chaves, Keith Dhese, Robin Eddington