Yarn sensor

Details Yarn sensor Yarn sensor

1996-09-06

1998-06-23

Biegel, Ronald L.

Measuring and testing

Sheet, woven fabric or fiber

Filament

356430, 356429, G01N 2189

Patent

active

057689385

ABSTRACT:
The invention relates to a yarn sensor for scanning a yarn (2), which is moving in its longitudinal direction in a measuring gap (3), with a light beam from a light source (4), having a first receiver (7) for directly transmitted light, at least one second receiver (5, 6) for light reflected by the yarn and one element each (8, 9, 10, 11) for transmitting the light between the measuring gap, the light source and a receiver. To keep the overall size and the external dimensions as small as possible, the optical axes (12-15) of the elements for transmitting the light are disposed together in one plane lying at least approximately at right angles to the yarn.

REFERENCES:
patent: 3712743 (1973-01-01), Harris et al.
patent: 5371584 (1994-12-01), Scheinhutte
patent: 5414520 (1995-05-01), Joss et al.
patent: 5499794 (1996-03-01), Aeppil
patent: 5521395 (1996-05-01), Hensel et al.

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