Patents by Inventor Donovan E. Hammer

Donovan E. Hammer 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: 7158137
    Abstract: A multiple channel signal acquisition device wherein each channel performs a respective rasterization process to provide respective waveform imagery, the respective waveform imagery having a display parameter reduced at a decay rate, the respective waveform imagery being propagated towards an adjacent input channel for combination, the combined image being propagated towards each remaining channel for combination into a final waveform image for display.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: January 2, 2007
    Assignee: Tektronix, Inc.
    Inventors: Kenneth P. Dobyns, Paul M. Gerlach, Donovan E. Hammer, Stony D. Yakovac
  • Publication number: 20030231187
    Abstract: A multiple channel signal acquisition device wherein each channel performs a respective rasterization process to provide respective waveform imagery, the respective waveform imagery having a display parameter reduced at a decay rate, the respective waveform imagery being propagated towards an adjacent input channel for combination, the combined image being propagated towards each remaining channel for combination into a final waveform image for display.
    Type: Application
    Filed: June 6, 2003
    Publication date: December 18, 2003
    Inventors: Kenneth P. Dobyns, Paul M. Gerlach, Donovan E. Hammer, Stony D. Yakovac