Patents Represented by Attorney Douglas W. Clarkson

Find this attorney in the Justia Lawyer Directory

  • Apparatus for scanning both opaque transparent originals
    Patent number: 6031639
    Abstract: A mechanical, electrical and optical scanning apparatus for producing a digital image of a two-dimensional original object that can be either opaque or transparent. A platform supports a camera with precision zoom/focus control for receiving light energy from the object, and the light is converted into electrical energy in a digital format. Opaque objects are supported separately from transparent objects on a carriage, and a light source is supported pivotly for illuminating these objects during scanning in a different manner.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: February 29, 2000
    Assignee: Microtek Artix Corporation
    Inventors: Darwin Hu, Lawrence Huang, Alpha Lan-Chung Hou