US Patent 7561837 Electrographic development method and apparatus
Patent 7561837 was granted and assigned to Eastman Kodak on July, 2009 by the United States Patent and Trademark Office.
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The invention relates generally to processes for electrographic image development. An electrographic development apparatus is provided wherein a film is adjacent a cylindrical toning shell and a mixture of toner and carrier is particles disposed on the cylindrical toning shell in contact with the film. The cylindrical toning shell is closest to the film at a first location, the mixture of toner and carrier particles being movable through the first location with a flow direction. A magnetic core disposed within the cylindrical toning shell offset toward the cylindrical shell such that a magnetic field strength is greater at the second location than the first location.
US Patent 07561837 Electrographic development method and apparatus US Patent 7561837 Electrographic development method and apparatus
US Patent 07561837 Electrographic development method and apparatus
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