Patents by Inventor Lawrence E. McCleary

Lawrence E. McCleary 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).

  • Selective polygon map display method
    Patent number: 5475802
    Abstract: Signal transformations of inputted data brought about by 58 new subroutines in combination with other subroutines to display world maps or other display items with the unique capability of performing the following functions in complete generality. (1) Arbitrary selection of map center and coverage, including global displays, (2) filling of all land and lake areas defined by polygons composed of an arbitrary number of vertices, (3) clipping of map features and overlays at map boundaries and poles, (4) selection from any of nineteen currently implemented map projections with provision to install any other projection topologically similar to an oblique conic, (5) calculation of latitude/longitude for any point on a map without the need for inverse mapping equations, and (6) an efficient method of plotting polyline segments along great circles. These are a number of feature functions provided by this inventive concept.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: December 12, 1995
    Assignee: United States of America as represented by the Secretary of the Navy
    Inventors: Thomas F. Wescott, Lawrence E. McCleary, David A. Nation
  • Selective polygon map display method
    Patent number: 5341463
    Abstract: Signal transformations of inputted data brought about by 58 new subroutines in combination with other subroutines to display world maps or other display items with the unique capability of performing the following functions in complete generality. (1) Arbitrary selection of map center and coverage, including global displays, (2) filling of all land and lake areas defined by polygons composed of an arbitrary number of vertices, (3) clipping of map features and overlays at map boundaries and poles, (4) selection from any of nineteen currently implemented map projections with provision to install any other projection topologically similar to an oblique conic, (5) calculation of latitude/longitude for any point on a map without the need for inverse mapping equations, and (6) an efficient method of plotting polyline segments along great circles. These are a number of feature functions provided by this inventive concept.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: August 23, 1994
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Thomas F. Wescott, Lawrence E. McCleary, David A. Nation