Method and apparatus for examining fiber material traveling...

Details Method and apparatus for examining fiber material traveling... Method and apparatus for examining fiber material traveling...

2005-08-30

2005-08-30

Ho, Allen C. (Department: 2882)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S559410, C250S559450, C250S559400

Reexamination Certificate

active

06936836

ABSTRACT:
An apparatus for evaluating a fiber web running in a card includes a camera for scanning the fiber web along a length and width portion thereof to detect useful fibers and empty locations in the fiber web and to generate signals representing the useful fibers and empty locations; and an evaluating device connected to the camera for determining a distribution of useful fibers per area unit in the fiber web from the signals.

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