×

Method of validating component feeder exchanges

  • US 7,555,831 B2
  • Filed: 05/18/2005
  • Issued: 07/07/2009
  • Est. Priority Date: 11/13/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. A pick and place machine configured to facilitate validation of a feeder exchange, the machine comprising:

  • a placement head having at least one nozzle for releasably holding at least one component;

    a robotic system for generating relative movement of the placement head between a feeder and a workpiece;

    an image acquisition system disposed to acquire an image of a placement location of the component on the workpiece;

    the feeder coupled to the machine and configured to provide a plurality of components;

    wherein the image acquisition system is configured to acquire and store a pre-exchange image of at least one component previously selected from the feeder and placed on the workpiece prior to feeder exchange and after the component previously selected from the feeder is placed upon the workpiece, and to acquire a post-exchange image of at least one component previously selected from a new feeder and placed on the workpiece after feeder exchange and after the component previously selected from the new feeder is placed upon the workpiece; and

    wherein the image processing device is configured to process the pre-exchange image and post-exchange image to provide an indication of exchange validity.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×