Video method and apparatus for measuring and controlling dimensi

Details Video method and apparatus for measuring and controlling dimensi Video method and apparatus for measuring and controlling dimensi

1991-10-31

1993-12-21

Harvey, Jack B.

Boots, shoes, and leggings

364563, 364576, 382 8, 425146, 264 402, 264 407, 356385, G01B 1100, G06G 719, B29C 4700

Patent

active

052726495

ABSTRACT:
A method and apparatus for determining the location and stability of location of the edges of an object such as an extruded blown film polymeric material annulus. By real time detection of the edge location and mathematical and statistical manipulation of the data in both time and frequency domains, the stability and effects of extrusion parameters on the object can be determined.

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