Method and apparatus for detecting packages in carton

Details Method and apparatus for detecting packages in carton Method and apparatus for detecting packages in carton

1997-12-22

2000-06-06

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

53 53, 53 57, 53493, 53505, 382143, B65B 5700

Patent

active

060721723

ABSTRACT:
A method and apparatus for confirming the presence of contact lens packages in a secondary carton is disclosed, where a sensor that detects the presence or absence of metallic lidstock of the packages through the secondary carton.

REFERENCES:
patent: 3572502 (1971-03-01), Quinn et al.
patent: 5027577 (1991-07-01), Creswick
patent: 5568715 (1996-10-01), Ebel et al.
patent: 5577386 (1996-11-01), Abrams et al.
patent: 5640464 (1997-06-01), Ebel et al.
patent: 5722536 (1998-03-01), Pierce et al.
patent: 5820232 (1998-11-01), Takahashi

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