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US 5,402,238 AGranted
Assembly suitable for determining a surface topology of a workpiece
AssigneeEastman Kodak Company
InventorsThomas W. Dey, Philip F. Marino
Life of this patent
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Abstract
An assembly preferably utilized in cooperation with a method for determining a surface topology of a workpiece. The assembly includes a projectile; means for coupling the projectile to a surface of a workpiece, and for imparting an initial momentum to the projectile with respect to the surface; and, means for sensing a relative movement of the projectile with respect to the workpiece surface, for generating a locus of positional points over time of the projectile as a measure of the surface topology of the workpiece.
Claims4
An assembly for determining a surface topology of a workpiece, said assembly comprising:
- (a) a projectile;
- (b) means for coupling the projectile to the workpiece surface and for imparting an initial momentum to the projectile with respect to the surface;
- (c) an electronic camera including a megapixel two-dimensional array positioned to view the surface normal to the surface, said camera recording relative movement of the projectile with respect to the surface including a locus of at least hundreds of positional points over time of the projectile on the surface;
- and,
- (d) means using said locus of positional points for determining the surface topology of the workpiece.
2 more elements
Dependencies are inferred from the claim text.