Patents by Inventor Lawrence D. Lorah

Lawrence D. Lorah 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).

  • Optical scanner
    Patent number: 4019811
    Abstract: An optical scanner wherein the image of a straight line is focused by an optical element such as a concave mirror or converging lens on the arc of a circle which is scanned by a rotating drum having one or more field stops such as pin holes or optical fibers directing light upon a stationary photodetector. The optical center of the focussing element is disposed in the plane of the scanning circle; and the axis of rotation of the drum orthogonally intersects the plane at a point displaced from the optical center.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: April 26, 1977
    Assignee: Rapifax Corporation
    Inventors: Lawrence D. Lorah, Richard W. Stresau, Lawrence B. Lapson, Curtis P. VAN Vloten