Method and device to evaluate signals of a sensor to monitor...

Details Method and device to evaluate signals of a sensor to monitor... Method and device to evaluate signals of a sensor to monitor...

2005-04-19

2005-04-19

Welch, Gary L. (Department: 3765)

Textiles: fiber preparation

Working

Drafting

C019S236000, C019S240000

Reexamination Certificate

active

06880207

ABSTRACT:
A method and device for the evaluation of signals of a sensor, in particular of a microwave sensor, is proposed for the detection of the thickness, mass, density and/or moisture of at least one fiber sliver moving relative to the sensor on drafting equipment. A high-frequency unit assigned to the sensor produces a number of first digital signals in digital form of the current state of the (at least one) fiber sliver. The method according to the invention is characterized in that a second digital signal, representing the current sliver thickness or sliver mass of the (at least one) fiber sliver and which is then used to control the drafting equipment and/or to judge the fiber sliver quality, is formed according to an algorithm from the first digital signals made available. In addition a suitable device for the evaluation of the signals of a sensor is proposed.

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Book Excerpt—Sensortechnik,Hans-Rolf Tränker, Springer-Verlag, 1998, pp. 1280-1295.
German Search Report, Aug. 26, 2002.

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