Geometrical instruments – Scriber – Curved line
Patent
1997-07-31
1999-10-05
Gutierrez, Diego
Geometrical instruments
Scriber
Curved line
33200, 33507, B43L 900, B43L 1100
Patent
active
059605502
ABSTRACT:
Device and method for accurately recreating verification markings with removable ink on progressive ophthalmic lenses and molds are provided. The device includes (a) a stage which defines a coordinate system and which is adapted for receiving a lens or mold; (b) a magnifying device for locating the reference marks on the lens or mold surface; (c) a computer for storing coordinates from the platform wherein the coordinates represent the locations of two reference marks on the lens or mold surface; and (d) a pen device adapted to be positioned over the surface of the lens or mold wherein the pen device is controlled by the computer for applying the verification markings on the lens or mold surface.
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Troy E. Fannin, et al., "Clinical Optics" Butterworth-Heinemann (2d Ed.), pp. 249-263 (1996).
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Hawkins Thomas J.
Weir Robert P.
Gutierrez Diego
Smith Richard A.
Sola International Inc.
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