Patents by Inventor Lora S. Schulwitz

Lora S. Schulwitz 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).

  • Phased array systems and phased array front-end devices
    Patent number: 7728772
    Abstract: Disclosed herein is a front-end device for a phased array system. The front-end device includes an array of horn antennas, a first set of transmission lines coupled to the horn antenna array for a first polarization, a second set of transmission lines coupled to the horn antenna array for a second polarization orthogonal to the first polarization, and a plurality of L-shaped excitation elements. Each L-shaped excitation element of the plurality of L-shaped excitation elements couples a transmission line from each of the first and second sets of transmission lines to a respective horn antenna of the horn antenna array.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: June 1, 2010
    Assignee: The Regents of the University of Michigan
    Inventors: Amir Mortazawi, Lora S. Schulwitz
  • Phased array systems and phased array front-end devices
    Publication number: 20070285314
    Abstract: Disclosed herein is a front-end device for a phased array system. The front-end device includes an array of horn antennas, a first set of transmission lines coupled to the horn antenna array for a first polarization, a second set of transmission lines coupled to the horn antenna array for a second polarization orthogonal to the first polarization, and a plurality of L-shaped excitation elements. Each L-shaped excitation element of the plurality of L-shaped excitation elements couples a transmission line from each of the first and second sets of transmission lines to a respective horn antenna of the horn antenna array.
    Type: Application
    Filed: June 9, 2006
    Publication date: December 13, 2007
    Applicant: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Amir Mortazawi, Lora S. Schulwitz