Patents by Inventor Mervin L. Gangstead

Mervin L. Gangstead 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).

  • Patent number: 6855923
    Abstract: In one embodiment, an apparatus for scanning a beam of light in a digital image recorder includes a curved writing surface translating in at least one direction relative to a stationary frame, a rotatable shaft having a first reflective surface not translating in the at least one direction relative to the stationary frame, and a light source emitting a beam of light directed to the reflective surface for reflection to the curved writing surface.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: February 15, 2005
    Assignee: Raytheon Company
    Inventors: John D. Boardman, Mervin L. Gangstead
  • Patent number: 6646742
    Abstract: The present invention relates to an optical system for an apparatus for multi-part differential particle discrimination to facilitate analysis, classification, and sorting of various fluid components for presentation. The optical system is characterized by one or more of the following: a synchronized illumination beam and flow cell conduit, a flow cell arrangement to control back reflection, and light sensor arrangement to particularly gather a specific range of light scatter, such specific range of light scatter directly corresponding to at least one type of particle capable of being identified by the apparatus.
    Type: Grant
    Filed: February 19, 2000
    Date of Patent: November 11, 2003
    Assignee: MWI, Inc.
    Inventors: Mervin L. Gangstead, Wieland E. von Behrens, James R. Boyd, Jean-Charles Pina, Jerry B. West
  • Patent number: 6507400
    Abstract: The present invention relates to an optical system for an apparatus for multi-part differential particle discrimination to facilitate analysis, classification, and sorting of various fluid components for presentation. The optical system is characterized by one or more of the following: a synchronized illumination beam and flow cell conduit, a flow cell arrangement to control back reflection, and light sensor arrangement to particularly gather a specific range of light scatter, such specific range of light scatter directly corresponding to at least one type of particle capable of being identified by the apparatus.
    Type: Grant
    Filed: February 19, 2000
    Date of Patent: January 14, 2003
    Assignee: MWI, Inc.
    Inventors: Jean-Charles Pina, Wieland von Behrens, Mervin L. Gangstead, James R. Boyd, Jerry B. West
  • Publication number: 20020088924
    Abstract: The digital laser image recorder includes a data manipulation and control system which may provide digital data to a digital light source for conversion to an analog modulated light beam. A scanner may also be provided to direct the light beam toward a writing surface which may be disposed on the interior of a rotatable cylinder. A film handling device operable to deliver sheet film to the writing surface may also deliver sheet film from the writing surface to an associated output tray after writing. In another embodiment, beam shaping optics may be provided to convert the analog modulated light beams to collimated beams of a predetermined size and circular distribution. The beam shaping optics may also incorporate a power control filter to control the intensity of the collimated beams. In yet another embodiment, a shutter may be provided.
    Type: Application
    Filed: March 5, 2002
    Publication date: July 11, 2002
    Applicant: Raytheon Company, a Delware corporation
    Inventors: John D. Boardman, Mervin L. Gangstead
  • Patent number: 6396042
    Abstract: The digital laser image recorder includes a data manipulation and control system which may provide digital data to a digital light source for conversion to an analog modulated light beam. A scanner may also be provided to direct the light beam toward a writing surface which may be disposed on the interior of a rotatable cylinder. A film handling device operable to deliver sheet film to the writing surface may also deliver sheet film from the writing surface to an associated output tray after writing. In another embodiment, beam shaping optics may be provided to convert the analog modulated light beams to collimated beams of a predetermined size and circular distribution. The beam shaping optics may also incorporate a power control filter to control the intensity of the collimated beams. In yet another embodiment, a shutter may be provided.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: May 28, 2002
    Assignee: Raytheon Company
    Inventors: John D. Boardman, Mervin L. Gangstead
  • Patent number: 6254239
    Abstract: An apparatus for visualizing image data comprises a first projector (28) and a second projector (29). The first projector (28) is positioned with a first optical axis perpendicular to an image focal plane (40), and projects to the focal plane (40) a first image (A) with a first image area. The second projector (29) is positioned in relative alignment with the first projector (28), with a second optical axis perpendicular to the focal plane (40). The second projector (29) projects to the focal plane (40) a second image (B) with a second image area adjacent to the first image area. A method for visualizing image data comprises projecting to an image focal plane (40) a first image (A) with a first image area, and a second image (B) with a second image area. The first image area is adjusted to be juxtaposed to the second image area.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: July 3, 2001
    Assignee: Raytheon Company
    Inventors: Rodney C. Hibner, II, Mervin L Gangstead
  • Patent number: 5508837
    Abstract: An optical scanning system wherein a moving cylinder supporting a segment of recording media on its inner surface is axially moved over a pair of fixed cylinders. A slit is provided between the fixed cylinders, and a light beam is radially scanned by the system through and along the slit to scan the surface of the supported segment of media as the moving cylinder moves in an axial direction over the fixed cylinders and across the slit. A pressure source provides air to the moving cylinder, with the supplied air expelled from an inner surface of the moving cylinder against the fixed cylinders to form an air bearing. Air is also expelled into the area between the fixed and moving cylinders to float the media therein during media advancement. A vacuum source is also provided to draw air through the moving cylinder from the area between the fixed and moving cylinders holding the media against the inner surface of the moving cylinder while the media is being scanned by the light beam.
    Type: Grant
    Filed: May 10, 1995
    Date of Patent: April 16, 1996
    Assignee: E-Systems, Inc.
    Inventors: Mervin L. Gangstead, John D. Boardman
  • Patent number: 5465243
    Abstract: The optical tape recorder of the present invention is capable of archiving data at rates in excess of 400 megabits per second by concurrently writing or reading a plurality data tracks in each data trace. A read-write module outputs an illumination beam comprised of combined multiple write beams (channels), a read beam and an autofocus beam. Optics within the read-write module spatially combine and accurately position the plurality of beams with respect to each other to form the multi-beam illumination beam. A read-write head comprised of a synchronized scanning transmissive polygon and rotating lens wheel scans the multi-beam illumination beam across a recording media to read or write multi-channel data tracks. An autofocus system is also included to ensure that the multi-beam illumination beam is accurately focused on the recording media.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: November 7, 1995
    Assignee: E-Systems, Inc.
    Inventors: John D. Boardman, Scott M. Hamilton, Mervin L. Gangstead, Jimmie L. Sadler, Richard A. Trimble, Jeffrey P. Welch