Patents by Inventor Dennis N. Mansell

Dennis N. Mansell 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).

  • Line focus aperture for optical beams
    Patent number: 4428650
    Abstract: An aperture useful for spatially filtering a line focus of an optical beam, such as that produced by a cylindrical mirror or lens, comprises a pair of rotating smoothly polished cylinders.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: January 31, 1984
    Assignee: United Technologies Corporation
    Inventor: Dennis N. Mansell
  • Wave front sensing device
    Patent number: 4405232
    Abstract: The disclosure illustrates a wave front sensing device of the Hartman sensor type in which a number of concentric toroidal surfaces machined in a single substrate reflect light into a series of corresponding ring foci which foci impinge on an array of linear optical detectors.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: September 20, 1983
    Assignee: United Technologies Corporation
    Inventor: Dennis N. Mansell
  • Azimuthal mode control for laser
    Patent number: 4011523
    Abstract: Azimuthal mode control for lasers employs an optical system which rotates the image to produce an optical feedback system, which through interference with the cavity fields, supresses the unwanted modes.
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: March 8, 1977
    Assignee: TRW Inc.
    Inventors: Dennis N. Mansell, Donald L. Bullock, Stuart G. Forbes