G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 11/00 (2006.01) G01M 11/02 (2006.01)
Patent
CA 2111746
A lens inspection method and apparatus is disclosed comprising a pallet having wells for receiving one or more lens containers at the receiving point. A conveyor achieves uniformity of pallet motion needed in the direction of pallet travel and stability when transporting the lens in the orthogonal, non-translating directions by use of one or more guide rails and a mechanical bias means. Pallet wells for receiving the containers comprise holes that pass through the pallet. These holes along with a side driven transport system make possible an arrangement of a lamp and camera on opposite sides of the lens for capturing an image of a lens. A computer implemented algorithm processes the digitized image according to rules set forth in a program to determine the acceptability of the lenses. A lens disposition mechanism connected to the computer uses a signal generated by the computer and indicates lens acceptability to disposition the lens by physically separating a container with an acceptable lens from an unacceptable lens. After disposition of containers, the pallet is returned by conveyor to the lens receiving point.
Ebel James A.
Edwards Russell J.
Gundersen Borge Peter
Ravn Thomas Christian
Johnson & Johnson Vision Care Inc.
Johnson & Johnson Vision Products Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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