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Method of and system for work transportation control

  • US 5,995,646 A
  • Filed: 01/16/1998
  • Issued: 11/30/1999
  • Est. Priority Date: 12/22/1993
  • Status: Expired due to Fees
First Claim
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1. A work transportation line control system for controlling a work handling apparatus to hold works on pallets placed, one on top of another, in a stack and load a work transportation line with different types of works in a timed sequence, each of said pallets bearing one type of works thereon, the different types of works having different attributes which are distinguishable from one another, said work transportation line control system comprising:

  • a camera for forming an image of a pattern of an attribute of a subject work to be handled by said work handling apparatus;

    work examination means for examining a position of said subject work and detecting an alteration of work types from one type to another type to provide an instruction indicating a work alteration from one type of works to another type of works whenever a pallet is removed from said stack; and

    control means for processing said image of said pattern to recognize a specified pattern of said attribute and a position of said subject work and control said work handling apparatus so as to suitably hold said subject work according to said position of said subject work, and comparing said specified pattern of said attribute of said subject work with predetermined reference patterns of said attribute provided for said subject work to change operation of said work handling apparatus according to said work types and adapt said work handling apparatus to suitably hold said subject work whenever said alteration of work types is detected, said predetermined reference patterns of said attribute being replaced in response to said instruction with other predetermined reference patterns of said attribute intrinsic to a type of works designated by said instruction.

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