Patents by Inventor Glenn M. Cuthbertson

Glenn M. Cuthbertson 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).

  • Thermal imager systems
    Patent number: 5274489
    Abstract: A thermal imager system comprises a scanning system 1 for scanning a required scene 2 and an anamorphic optical system 3 for focusing the scanned scene onto a Sprite detector 4, the optical anamorphic system comprises a pair of optical prisms 17, 19 disposed between a collimating element 15 and a focusing element 21, one or both of the prisms 17, 19 being pivotally mounted whereby the anamorphic ratio and hence the focal length of said optical system 3 may be changed. (FIG. 1).
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: December 28, 1993
    Assignee: Gec-Marconi Limited
    Inventors: Brian F. Smith, Glenn M. Cuthbertson