Patents Assigned to Evan L. Hopkins
  • Digital inclinometer
    Patent number: 5761818
    Abstract: An inclination measuring apparatus including a level for measuring the inclination of an object; an LED for creating an image of the level; and a photodiode array for sensing the image of the level and for generating a level signal representative of the inclination of the apparatus is disclosed.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: June 9, 1998
    Assignee: Evan L. Hopkins
    Inventors: Evan L. Hopkins, O. Eugene Dial