Device for monitoring the travel of a yarn like structure utiliz

Details Device for monitoring the travel of a yarn like structure utiliz Device for monitoring the travel of a yarn like structure utiliz

1975-11-14

1977-05-31

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

28 64, 73160, G01R 2912, G01N 2760, D01H 1322

Patent

active

040272320

ABSTRACT:
The present invention relates to monitoring devices of the type making use of the principle that frictional contact between two bodies gives rise to electrical charges or voltages on the bodies. The monitoring device of the invention comprises yarn guiding means, at least one signal electrode and at least one ground electrode. Means are provided for generating yarn travel signals exhibiting improved continuity and a high signal-to-noise ratio.

REFERENCES:
patent: 3037162 (1962-05-01), Jones et al.
patent: 3676769 (1972-07-01), Loepfe

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