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Method and apparatus for inspecting a solderless terminal by image processing

  • US 5,377,278 A
  • Filed: 03/19/1993
  • Issued: 12/27/1994
  • Est. Priority Date: 03/26/1992
  • Status: Expired due to Term
First Claim
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1. An apparatus for inspecting a solderless terminal by image processing, the solderless terminal including a resin barrel adapted to hold an end portion of an electric conductor comprised of a plurality of core wires enclosed in a resin cover, the end portion of the electric conductor having the resin cover partially removed therefrom to expose the core wires at the end portion, a core barrel and the resin barrel adapted to hold the exposed core wires of the electric conductor to electrically connect the conductor to the solderless terminal, said apparatus for inspecting a solderless terminal comprising:

  • main illuminating means disposed substantially parallel to a longitudinal axis of the resin barrel for illuminating the solderless terminal from a first direction, the main illuminating means having at least one illuminating element extending substantially in the same direction as a length of the solderless terminal;

    auxiliary illuminating means for illuminating a background area of the solderless terminal from a second direction substantially opposite to said first direction;

    image receiving means for receiving an image of the solderless terminal produced by said main illuminating means and said auxiliary illuminating means; and

    image processing means for processing the image received by said image receiving means, the image processing means including means for determining whether the solderless terminal is correctly crimped to the electric conductor.

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