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Blister pack scanner device

  • US 5,555,707 A
  • Filed: 02/18/1994
  • Issued: 09/17/1996
  • Est. Priority Date: 02/18/1994
  • Status: Expired due to Term
First Claim
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1. A blister pack photoelectric laser sensor device for the detection of overfilled and defective blister cavities comprising:

  • a) a housing base;

    b) a laser transmitter disposed at one end thereon;

    c) a photoelectric sensor disposed opposite said transmitter for receiving a laser signal therefrom, and;

    d) a scanner beam interference bar disposed between said transmitter and said sensor, said interference bar comprising a centrally grooved top surface for alignment of said laser beam, a bottom surface and two end posts that elevate the bottom surface of said bar slightly above the housing base to allow a plastic polymer blister pack web to pass therethrough.

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