Patents by Inventor Stephen Willett

Stephen Willett 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).

  • LED SOURCE WITH HOLLOW COLLECTION LENS
    Publication number: 20080048553
    Abstract: A light source, includes an LED emitter and a meniscus lens having a hollow cavity in which the LED emitter is disposed. The meniscus lens is in exemplary embodiments hyperhemispheric, and it produces a high quality optical image of the LED emitter. The cavity of the lens is filled with air, such as terrestrial atmosphere, inert gas, or vacuum.
    Type: Application
    Filed: July 31, 2007
    Publication date: February 28, 2008
    Inventors: Patrick Destain, Stephen Willett
  • COMBINATION CAMERA/PROJECTOR SYSTEM
    Publication number: 20080051135
    Abstract: A combination camera/projection system includes an image forming device, a light source, a projection lens, a detector array such as a CCD, and a beam splitter such as a polarizing beam splitter (PBS) disposed to direct light from the light source to the image forming device, and from the image forming device to the projection lens, and from the projection lens to the detector array.
    Type: Application
    Filed: July 31, 2007
    Publication date: February 28, 2008
    Inventors: Patrick Destain, John Duncan, Michael O'Keefe, Jennifer Grace, William Phillips, Stephen Willett
  • OPTICAL PROJECTION SUBSYSTEM
    Publication number: 20080049190
    Abstract: A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides a projection beam having a luminous flux level. The projection subsystem has a portability efficacy.
    Type: Application
    Filed: July 31, 2007
    Publication date: February 28, 2008
    Inventors: Patrick Destain, Jennifer Grace, John Duncan, Tomasz Pol, William Phillips, Michael O'Keefe, Alexander Glinski, Stephen Willett