Method and system for the detection of faults in a length of tex

Details Method and system for the detection of faults in a length of tex Method and system for the detection of faults in a length of tex

1992-08-31

1994-02-01

Rosenberger, Richard A.

Optics: measuring and testing

Inspection of flaws or impurities

Textile inspection

356430, 250562, 250572, G01N 2100, G01N 2184

Patent

active

052836231

ABSTRACT:
In a method and system for the detection of faults in a length of textile fabric, the length of fabric is continuously scanned by an electro-optical sensor head. Light detectors located in a strip-form sensing zone of the sensor head are assembled in groups and emit group-specific fault signals. These fault signals are analyzed multi-dimensionally for the identification of spot faults and/or long faults, the criteria for analysis being the signal amplitude, the signal length, the recurrence of the signals and their periodic repeat at each revolution of the machine. Display, control counter devices and the like are energized as a function of the result of the analysis.

REFERENCES:
patent: 3958127 (1976-05-01), Faulhaber et al.
patent: 4075498 (1978-02-01), Takasuda et al.
patent: 4110048 (1978-08-01), Akutsu et al.
patent: 4748334 (1988-05-01), Kobayashi et al.
patent: 4952062 (1990-08-01), Bean, III et al.
patent: 5006722 (1991-04-01), Adelson

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