Patents by Inventor Richard L. McAdams

Richard L. McAdams 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).

  • Liquid crystal beam splitter
    Patent number: 4822141
    Abstract: A liquid crystal beam splitter includes a magnetic coil adapted to controllably orient, or tilt, the molecules of a layer of liquid crystal material and thereby detune the internal reflections of a polarized light beam component passing therethrough.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: April 18, 1989
    Assignee: ITT Defense Communications, a division of ITT Corporation
    Inventor: Richard L. McAdams
  • Liquid crystal polarization reorientation cell having magnetic field-applying coils
    Patent number: 4768862
    Abstract: A liquid crystal polarization reorientation cell includes Helmholtz coils disposed on either side of the cell to provide a magnetic field that is substantially perpendicular to the transparent members. The energizing of the magnetic field is utilized to selectively reorient the polarization of at least one frequency of an incident light beam.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: September 6, 1988
    Assignee: ITT Corporation, Defense Communications Division
    Inventor: Richard L. McAdams