Patents by Inventor Eric David Caswell

Eric David Caswell 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).

  • Artificial dielectric rotman lens
    Publication number: 20080165068
    Abstract: An Artificial Dielectric Rotman Lens (ADRL) provides smaller size and reduced weight relative to conventional Rotman Lens embodiments. The ADRL includes the same input ports, output ports and dummy termination ports as a conventional Rotman Lens. The ADRL internal construction, however, is significantly different with multiple printed circuit board layers forming regions having effective permittivities that are much greater than the individual printed circuit board constitutive parameters.
    Type: Application
    Filed: January 5, 2007
    Publication date: July 10, 2008
    Inventor: Eric David Caswell