Patents by Inventor David E. Boyd

David E. Boyd 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: 20240123222
    Abstract: A functional electrical stimulation (FES) device includes electrodes arranged to apply functional electrical stimulation to a body part of the user. FES stimulation is performed by: receiving values of a set of user metrics for the user; receiving a target position of the body part represented as values for a set of body part position measurements; determining a user-specific energization pattern for producing the target position based on the received target position and the received values of the set of user metrics for the user; and energizing the electrodes of the FES device in accordance with the determined user-specific energization pattern. The determination may utilize an FES calibration database with records having fields containing: values of the set of user metrics for reference users; energization patterns; and values of the set of body part position metrics for positions assumed by the body part in response to applying the energization patterns.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Inventors: David A. Friedenberg, Po-Hsu Chen, Samuel Colachis, Nicholas Annetta, Douglas E. Boyd, Collin Dunlap, Ian W. Baumgart, Herbert S. Bresler
  • Patent number: 6733701
    Abstract: A method for casting an ophthalmic lens having a toric surface includes the step of providing a casting cell that includes a conventional front mold, a novel gasket, and a novel toric back mold. An annular carrier ring is integrally formed with or attached to the toric back mold. The gasket has a first annular flat step against which the front mold squarely abuts and a second annular flat step against which the annular carrier ring squarely abuts. The gasket includes no toric annular seat against which the front surface of a toric back mold abuts. This eliminates the need for a lens maker to maintain a large inventory of toric back molds and gaskets. The square seating enhances the sealing capability of the mold, reduces leaks, and produces lenses having fewer bubbles and flash on the edge of the lens.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: May 11, 2004
    Assignee: DTQ Properties, LLC
    Inventors: Thomas M. Gross, David E. Boyd
  • Publication number: 20030052423
    Abstract: A method for casting an ophthalmic lens having a toric surface includes the step of providing a casting cell that includes a conventional front mold, a novel gasket, and a novel toric back mold. An annular carrier ring is integrally formed with or attached to the toric back mold. The gasket has a first annular flat step against which the front mold squarely abuts and a second annular flat step against which the annular carrier ring squarely abuts. The gasket includes no toric annular seat against which the front surface of a toric back mold abuts. This eliminates the need for a lens maker to maintain a large inventory of toric back molds and gaskets. The square seating enhances the sealing capability of the mold, reduces leaks, and produces lenses having fewer bubbles and flash on the edge of the lens.
    Type: Application
    Filed: September 20, 2001
    Publication date: March 20, 2003
    Inventors: Thomas M. Gross, David E. Boyd