Method for inspecting the outer appearance of a golf ball and il

Details Method for inspecting the outer appearance of a golf ball and il Method for inspecting the outer appearance of a golf ball and il

1996-08-29

1998-07-07

Raevis, Robert

Measuring and testing

Inspecting

B07C 502

Patent

active

057772444

ABSTRACT:
A portion of the surface of a golf ball (g) to be inspected is photographed while uniformly illuminating it with light without any optical disturbances. The golf ball (g) surface is illuminated with diffuse reflection light obtained by reflecting light by a white diffuse reflecting plate (1) having fine irregularities on a surface and/or diffuse transmission light obtained by transmitting light by a white diffuse transmitting plate (4) having fine irregularities on a surface. Using the resulting clear image, the golf ball is inspected for outer appearance.

REFERENCES:
patent: 4726898 (1988-02-01), Mills et al.
patent: 5118194 (1992-06-01), Mather et al.
patent: 5166985 (1992-11-01), Takagi et al.
patent: 5187611 (1993-02-01), White et al.
patent: 5585616 (1996-12-01), Roxby et al.

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