Patents by Inventor Trevor Elworthy

Trevor Elworthy 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 printers
    Patent number: 8446440
    Abstract: One aspect of this invention relates to an illumination device for an optical printer, the illumination device comprising: a first array of light sources comprising a plurality of light source elements that are each operable to emit light within a red band of the visible electromagnetic spectrum; a second array of light sources comprising a plurality of light source elements that are each operable to emit light within a blue band of the visible electromagnetic spectrum; and a third array of light sources comprising a plurality of light source elements that are each operable to emit light within a green band of the visible electromagnetic spectrum; wherein said first, second and third arrays of light sources are generally linearly arranged along respective substantially parallel notional lines on a substrate; and said plurality of light source elements of each said array are arranged such that respective adjacent light source elements of said plurality are offset from one another with respect to the associated
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: May 21, 2013
    Assignee: LumeJet Holdings Limited
    Inventors: Trevor Elworthy, Duncan Bilson, Nicholas Homan
  • OPTICAL PRINTERS
    Publication number: 20100014064
    Abstract: One aspect of this invention relates to an illumination device for an optical printer, the illumination device comprising: a first array of light sources (20) comprising a plurality of light source elements (14) that are each operable to emit light within a red band of the visible electromagnetic spectrum; a second array of light sources (21) comprising a plurality of light source elements (14) that are each operable to emit light within a blue band of the visible electromagnetic spectrum; and a third array of light sources (22) comprising a plurality of light source elements (14) that are each operable to emit light within a green band of the visible electromagnetic spectrum; wherein said first, second and third arrays of light sources (20, 21, 22) are generally linearly arranged along respective substantially parallel notional lines (34) on a substrate (15); and said plurality of light source elements (14) of each said array (20, 21, 22) are arranged such that respective adjacent light source elements of sa
    Type: Application
    Filed: May 30, 2007
    Publication date: January 21, 2010
    Applicant: DIGEPRINT LIMITED
    Inventors: Trevor Elworthy, Duncan Bilson, Nicholas Homan