Patent ID: 11918863
Assignee: TOPGOLF CALLAWAY BRANDS CORP.
Field: Measurement (Instruments)
Classification: CPC A  G | IPC A  G

Claim 10:
11. A method for determining concentricity of a multiple layer golf ball, the method comprising:
positioning a golf ball for non-rotation in a x-ray measurement region of an imaging machine;
taking at least one X, Z image of the golf ball using a first x-ray source and a first digital detector;
taking at least one Y, Z image of the golf ball using a second x-ray source and a second digital detector, wherein the second X-ray source is perpendicular or substantially perpendicular to the first X-ray source;
determining a diameter or ellipse dimensions of an inner edge and an outer edge of a layer of the multiple layer golf ball utilizing an edge detection algorithm;
calculating X,Z coordinates of a best fit diameter or ellipse of the inner and outer edges of the multiple layer golf ball;
calculating Y, Z coordinates of a best fit diameter or ellipse of the inner edge and outer edge layer of the multiple layer golf ball;
calculating X, Y coordinates of a best fit diameter or ellipse of the inner edge and outer edge the layer of the multiple layer golf ball;
combining the at least one X, Z image, the at least one Y, Z image and the at least one X, Y image to calculate a 3D distance; and
comparing Y, Z center coordinates, X, Z center coordinates and X, Y center coordinates of a specified layer to determine concentricity of an inner layer within any of the outer layers.