Patents by Inventor Christopher Freund

Christopher Freund 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).

  • Optical assembly
    Publication number: 20060192968
    Abstract: An optical assembly comprises an optical device (103); an enclosure (101) for containing the optical device (103), the enclosure (101) including a transparent section (107) to allow passage of a light beam (104) to or from the optical device (103); and means for measuring the attenuation of a test light beam (212) through the transparent section(107). Preferably, the optical assembly also comprises means for compensating for the measured amount of attenuation by adjusting a measurement or a characteristic of the optical device (103) or a related optical device to compensate for the measured amount of attenuation.
    Type: Application
    Filed: January 30, 2004
    Publication date: August 31, 2006
    Inventors: David Farrant, Alistair Martin, Christopher Freund, Roger Netterfield, Jan Herrmann, Denis Redfern