Patents by Inventor Phillip E. Burkhardt

Phillip E. Burkhardt 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: 6208285
    Abstract: A radar system employing Doppler tolerant radar pulses such as linear FM or hyperbolic FM chirps includes a pulse compressor configured as a digital finite impulse response filter. In one embodiment, the radar returns are split into in-phase and quadrature phase components for manipulation in complex form within the filter.
    Type: Grant
    Filed: February 10, 1983
    Date of Patent: March 27, 2001
    Assignee: Northrop Grumman Corporation
    Inventor: Phillip E. Burkhardt