Patents by Inventor David R. Schmidt

David R. Schmidt 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).

  • Sequential multi-beam radar for maximum likelihood tracking and fence search
    Patent number: 9891310
    Abstract: A radar system uses multiple-beam maximum likelihood estimation (MLE) during both search and tracking operations. During search, a four beam sequential beam cluster may be used to search for targets in a region-of-interest. During tracking, a three beam triad may be used to track one or more detected targets. In some embodiments, a beam selector switch may be used to allow two offset receive beams to time share a beamformer output port to generate the four beam sequential cluster.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: February 13, 2018
    Assignee: Raytheon Company
    Inventors: Kaichiang Chang, Yong Liu, David R. Schmidt, Stephen M. Sparagna, Frederic C. Stevens, IV
  • Single-sided sticky gasket
    Patent number: 9769965
    Abstract: Applicants disclose a gasket for use between a removable workpiece and a base. The gasket has a polyurethane body, is generally tabular, and on one side has a fabric skin attached thereto. On the non-skinned side, the body, typically polyurethane, is sticky to the touch.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: September 19, 2017
    Inventors: Jeffrey D. Busby, Michael D. Dry, David R. Schmidt, Kent S. Boomer, Matthew J. Boyd, Douglas J. Smith
  • SEQUENTIAL MULTI-BEAM RADAR FOR MAXIMUM LIKELIHOOD TRACKING AND FENCE SEARCH
    Publication number: 20160291144
    Abstract: A radar system uses multiple-beam maximum likelihood estimation (MLE) during both search and tracking operations. During search, a four beam sequential beam, cluster may be used to search for targets in a region-of-interest. During tracking, a three beam triad may be used to track one or more detected targets. In some embodiments, a beam selector switch may be used to allow two offset receive beams to time share a beamformer output port to generate the four beam sequential cluster.
    Type: Application
    Filed: April 2, 2015
    Publication date: October 6, 2016
    Applicant: RAYTHEON COMPANY
    Inventors: Kaichiang Chang, Yong Liu, David R. Schmidt, Stephen M. Sparagna, Frederic C. Stevens, IV
  • Single-Sided Sticky Gasket
    Publication number: 20130001894
    Abstract: Applicants disclose a gasket for use between a removable workpiece and a base. The gasket has a polyurethane body, is generally tabular, and on one side has a fabric skin attached thereto. On the non-skinned side, the body, typically polyurethane, is sticky to the touch.
    Type: Application
    Filed: June 15, 2012
    Publication date: January 3, 2013
    Inventors: Jeffrey D. Busby, Michael D. Dry, Kent S. Boomer, David R. Schmidt, Matthew J. Boyd, Douglas J. Smith
  • System and method visible surface determination in computer graphics using interval analysis
    Patent number: 7250948
    Abstract: A system (40) is provided for visible surface determination in furtherance of photorealistic rendering in a computer graphics environment. The system includes a scene database (42) and a processor, visual characteristics of objects of an image frame (44) of a scene of the scene database (42) are delimited as geometric primitive. The processor, for executing an interval analysis, to a user degree of certainty, accurately and deterministically ascertains a visible solution set of an area not exceeding a pixel dimension for a pixel of an array of pixels (50) that form said image frame (44).
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: July 31, 2007
    Assignee: Sunfish Studio, LLC
    Inventors: Nathan T. Hayes, David R. Schmidt
  • Combined mirror and locker storage unit
    Patent number: D337467
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: July 20, 1993
    Inventor: David R. Schmidt