Patents by Inventor Philip Hirschberg

Philip Hirschberg 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).

  • Spacecraft three-axis attitude acquisition from sun direction measurement
    Publication number: 20070228218
    Abstract: Methods and apparatus for a spacecraft (1) orbiting about a celestial body such as the Earth to reacquire operational three-axis orientation with respect to that body.
    Type: Application
    Filed: February 22, 2007
    Publication date: October 4, 2007
    Inventors: Bruce Brumfield, Xenophon Price, George White, Philip Hirschberg, Kam Chan