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Method and apparatus for correctively guiding a cutting device on a predetermined path along a sheet material

  • US 5,777,880 A
  • Filed: 02/21/1996
  • Issued: 07/07/1998
  • Est. Priority Date: 02/21/1996
  • Status: Expired due to Fees
First Claim
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1. A method of correctively guiding an item on a path along a material, said method comprising the steps of:

  • (a) inputting into a computer a guide path comprising predetermined points thereamong, said guide path matching a desired path for an item to be guided along a material wherein inputting said guide path comprises inputting into said computer at each of said predetermined points a template containing an image of said material and inputting a search area surrounding each inputted template;

    (b) guiding said item along said material in a path following said inputted guide path;

    (c) at each of said predetermined points of said guide path, identifying whether said item is on or off of said desired path along said material, said identifying comprising said computer scanning templates containing images of said material within each search area whereby said computer locates a matching template within each search area that matches an inputted template for that search area; and

    (d) at each of said predetermined points of said guide path, correcting a position of said item when said item is off of said desired path to allow said item to follow said desired path along said material.

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