Patents by Inventor David Berends

David Berends 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).

  • Patent number: 11122257
    Abstract: A method, apparatus and system for enhanced welding visualization include splitting incoming light from the welding environment into at least a first optical path and a second optical path having different light levels using at least one beam splitter. Images of the split light having different light levels are captured using a respective imaging sensor. The images from the respective imaging sensors are fused to create a left-eye fused image and a right-eye fused image. The left-eye fused image is displayed on a display at a location of a left eye of a user and the right-eye fused image is displayed on a display at a location of a right eye of the user to provide a parallax-free, high dynamic range, representation of the welding environment.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: September 14, 2021
    Assignee: SRI International
    Inventors: David Berends, Naohiko Fuse, Atsushi Homma, Noriyuki Kanehira, Tadahisa Tsuyama, Michael Piacentino, Gooitzen van der Wal, Chiharu Yamaoka, David Zhang
  • Publication number: 20200374510
    Abstract: A method, apparatus and system for enhanced welding visualization include splitting incoming light from the welding environment into at least a first optical path and a second optical path having different light levels using at least one beam splitter. Images of the split light having different light levels are captured using a respective imaging sensor. The images from the respective imaging sensors are fused to create a left-eye fused image and a right-eye fused image. The left-eye fused image is displayed on a display at a location of a left eye of a user and the right-eye fused image is displayed on a display at a location of a right eye of the user to provide a parallax-free, high dynamic range, representation of the welding environment.
    Type: Application
    Filed: May 23, 2019
    Publication date: November 26, 2020
    Inventors: David Berends, Naohiko Fuse, Atsushi Homma, Noriyuki Kanehira, Tadahisa Tsuyama, Michael Piacentino, Gooitzen van der Wal, Chiharu Yamaoka, David Zhang
  • Publication number: 20060139032
    Abstract: A method for sensing an electric field includes processing digitized electric field signals, e.g., from an electric field sensing probe. The processing may include performing a Fast Fourier Transform of the digitized electric field signals to provide an indication of the magnitude of the electric field, and may include processing the digitized electric field signals at a rate that is related to the speed at which a movable sensing probe is moving. The method may include performing unweighted and/or weighted averaging in relation to processing electric field data, setting a comparison threshold, providing a human perceivable indication, or a combination of the foregoing.
    Type: Application
    Filed: September 13, 2005
    Publication date: June 29, 2006
    Inventors: David Kalokitis, Peter Zalud, David Berends, Christos Polyzois
  • Publication number: 20060139031
    Abstract: A sensor for sensing an electric field includes a movable sensor probe including one or more pair, typically three pair, of electrically conductive electrodes, and may include one or more pair of selectively switchable auxiliary electrodes. The probe is movable and may be mounted on a vehicle or trailer. A processor may process electric field signals from the probe for providing a human perceivable indication of the electric field. The processor may perform a Fast Fourier Transform of the electric field signals to produce an indication of the magnitude of the electric field, and may perform unweighted and/or weighted averaging in relation to processing electric field data, setting a comparison threshold, providing a human perceivable indication, or a combination of the foregoing. A speed at which the sensor probe is moving may be utilized in processing the data.
    Type: Application
    Filed: September 13, 2005
    Publication date: June 29, 2006
    Inventors: David Kalokitis, Peter Zalud, David Berends, Christos Polyzois, Frederick Vannozzi, Frank Lang