System and method for monitoring and controlling the width of a

Details System and method for monitoring and controlling the width of a System and method for monitoring and controlling the width of a

1992-07-06

1994-09-06

Teska, Kevin J.

Boots, shoes, and leggings

364469, G01B 1102

Patent

active

053453999

ABSTRACT:
A system for monitoring and controlling the width of a product such as a sheet, film or tube includes, in the preferred embodiment, a line scan camera having a one-dimensional array of charge-coupled devices ("CCD's") for monitoring the width of the product. The CCD's develop an analog charge value which is proportional to the intensity of any light falling thereon; the analog nature of the CCD's allows subelement interpolation based on the voltage charge of two adjacent elements. This permits product width to be measured more accurately than was heretofore possible with electromechanical or photoelectric type systems.

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