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Lead sensing system

  • US 4,549,087 A
  • Filed: 12/27/1982
  • Issued: 10/22/1985
  • Est. Priority Date: 12/27/1982
  • Status: Expired due to Fees
First Claim
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1. In a component insertion machine wherein the leads of components are inserted through holes in a medium after the medium has been positioned for receipt of the leads through the holes, a system for determining whether the leads are properly inserted through the holes in the medium, said system comprising:

  • a plurality of optical sensors, located below the positioned medium, each optical sensor individually sensing the presence or absence of only one respective lead of the component extending beneath the medium;

    means for reading the status of each of said plurality of optical sensors after the component leads have been inserted into the holes in the positioned medium; and

    means for verifying that the status of each optical sensor is in accordance with a predetermined status for that particular optical sensor.

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