Patents by Inventor Nathan J. Phillips

Nathan J. Phillips 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).

  • Rotary position encoder
    Patent number: 8637804
    Abstract: A rotary position encoder for determining a rotary position of a shaft includes a rigid substrate having a planar surface and mounted on the shaft to rotate with the shaft; an optical disk having at least a transparent polycarbonate layer and a reflective layer on the transparent polycarbonate layer, affixed to the planar surface of the substrate, the optical disk having a first circumferential track encoded therein having binary data; an optics assembly for interrogating the optical disk and providing an output signal indicative of data received from the interrogation of the optical disk; and a tracking motor for driving the optics assembly radially with respect to the optical disk.
    Type: Grant
    Filed: February 15, 2010
    Date of Patent: January 28, 2014
    Assignee: Lockheed Martin Corporation
    Inventor: Nathan J. Phillips
  • ROTARY POSITION ENCODER
    Publication number: 20110139971
    Abstract: A rotary position encoder for determining a rotary position of a shaft includes a rigid substrate having a planar surface and mounted on the shaft to rotate with the shaft; an optical disk having at least a transparent polycarbonate layer and a reflective layer on the transparent polycarbonate layer, affixed to the planar surface of the substrate, the optical disk having a first circumferential track encoded therein having binary data; an optics assembly for interrogating the optical disk and providing an output signal indicative of data received from the interrogation of the optical disk; and a tracking motor for driving the optics assembly radially with respect to the optical disk.
    Type: Application
    Filed: February 15, 2010
    Publication date: June 16, 2011
    Applicant: Lockheed Martin Corporation
    Inventor: Nathan J. Phillips