Patents by Inventor John A. Prescott

John A. Prescott 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 camera arrangement
    Patent number: 5089914
    Abstract: A thermal camera is mounted within a helmet and is arranged such that the optical path in free space from its output is wholly within the volume defined by the helmet and the helmet faceplate. The output iminges on a concave mirror/lens combination located below the wearer's sightline. The arrangement is particularly suitable for fire fighting and search and rescue applications.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: February 18, 1992
    Assignee: EEV Limited
    Inventor: John A. Prescott