Method for monitoring quality of yarn by electronic yarn cleaner and detector for carrying out the method

A method and sensor are provided for monitoring the quality of yarn by an electronic cleaner of yarn by means of an optical detector having a sensor with one or two rows of individual optical elements that are rectangular-shaped and have analog outputs. Each of the optical elements has a photodiode...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KOUSALIK PAVEL, SLOUPENSKY JIRI
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NATURAL OR ARTIFICIAL THREADS OR FIBRES PHYSICS SPINNING SPINNING OR TWISTING TESTING TEXTILES
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Beschreibung
Zusammenfassung:	A method and sensor are provided for monitoring the quality of yarn by an electronic cleaner of yarn by means of an optical detector having a sensor with one or two rows of individual optical elements that are rectangular-shaped and have analog outputs. Each of the optical elements has a photodiode and an amplifier of its output signal. The amplifier has a variable amplification, whose size is modified according to the required sensitivity of a respective optical element to light.