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Method and apparatus for measuring dimensions of objects on a conveyor

  • US 5,923,428 A
  • Filed: 07/11/1997
  • Issued: 07/13/1999
  • Est. Priority Date: 07/26/1995
  • Status: Expired due to Term
First Claim
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1. An apparatus for determining a location of an object relative to a side of a conveyor on which said object is travelling, comprising:

  • a light source configured to output a light beam along a path from said side of said conveyor towards said object;

    a CCD camera located above said conveyor and configured to receive light from said light beam reflected off said object, said CCD camera including a plurality of light detecting elements for performing an electronic scan to determine a location at which said light beam impinges a first side of said object; and

    a processor configured to receive outputs from said plurality of light detecting elements and to determine said location of said first side of said object relative to said side of said conveyor,wherein said CCD camera is fixed in position and orientation with respect to said conveyor during said electronic scan of said CCD camera.

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