Patents by Inventor James D. Corbett

James D. Corbett 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: 5053758
    Abstract: Touchscreen control panel apparatus that highlights a control key to which the operator slides touch and actuates the associated control function upon touch release from the highlighted key. Highlighting is deleted from a key when operator slides touch therefrom without releasing touch. Parameter values are adjusted by touching a control key associated therewith and thereafter sliding touch anywhere on the touchscreen to effect parameter value change.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: October 1, 1991
    Assignee: Sperry Marine Inc.
    Inventors: Johnny A. Cornett, James D. Corbett
  • Patent number: 4845500
    Abstract: A system for detecting and tracking a multiplicity of targets averages radar video returns over small sectors for data smoothing and noise reduction, provides adaptive thresholding by determining noise levels in an area of interest and establishes a detection threshold in accordance with such noise level, stores the video data for reach target of interest so that multiple targets on the same bearing may be tracked, and reduces the probability of target swapping by adjusting the target window in accordance with target size and weighting the cells within the window.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: July 4, 1989
    Assignee: Sperry Marine Inc.
    Inventors: Johnny A. Cornett, James D. Corbett