Patents by Inventor David Steven

David Steven 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).

  • Dual mode optical magnification system
    Publication number: 20060232862
    Abstract: An image-forming system, for example for a camcorder or digital still camera, comprises an object (1), such as a display, a multi-element magnifying optical path (8) and focal length varying means for addition, adjustment or removal of one or more elements (9) in the optical path in order to vary the distance between a viewer's eye and the system, at which distance the magnified object can be viewed.
    Type: Application
    Filed: November 17, 2003
    Publication date: October 19, 2006
    Applicant: MicroEmissive Displays Limited
    Inventors: David Steven, Jeffrey Wright, Ian Underwood