Patents Assigned to C. Frederick Bowser
  • Electrical tape boundary sensor apparatus
    Patent number: 4840377
    Abstract: A system is provided that analyzes the output voltage caused by the impact of an object, particularly a tennis ball, relative to a boundry line. It combines sensors mounted on a tennis court's surface with computer graphics and data acquisition software that indicates to a tennis umpire, line judge or player that the ball or other object has struck a boundary line.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: June 20, 1989
    Assignee: C. Frederick Bowser
    Inventors: C. Frederick Bowser, John L. Kurtz