Method and apparatus for detecting contact lenses

Details Method and apparatus for detecting contact lenses Method and apparatus for detecting contact lenses

1998-09-11

2000-09-26

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

2503391, 25033906, G01B 900

Patent

active

061245941

ABSTRACT:
A method and apparatus for confirming the presence of a contact lens in its intended package employs an infrared detection system that is able to detect the presence or absence of a contact lens in the package.

REFERENCES:
patent: 5049216 (1991-09-01), Shead et al.
patent: 5500732 (1996-03-01), Ebel et al.
patent: 5526119 (1996-06-01), Blit et al.
patent: 5568715 (1996-10-01), Ebel et al.
patent: 5722536 (1998-03-01), Pierce et al.
patent: 5970983 (1999-10-01), Karni et al.

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