DE2707544

A system is provided for scanning a laser beam across the width of fabric material to be inspected. A scanning mirror receives coherent light from the beam and is mounted to repeatedly swing through a given scan angle. An optical arrangement of mirrors in side-by-side relationship receives the light...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	FOMENKO, SERGEI MICHAEL, WOODLAND HILLS CALIF. (V.ST.A.)
Format:	Patent
Sprache:	eng
Schlagworte:	FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LAUNDERING MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS TESTING TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	A system is provided for scanning a laser beam across the width of fabric material to be inspected. A scanning mirror receives coherent light from the beam and is mounted to repeatedly swing through a given scan angle. An optical arrangement of mirrors in side-by-side relationship receives the light beam from the scanning mirror and directs it in successive side-by-side parallel directions or channels towards the fabric to irradiate successive areas of the fabric across its width. A de-scanning mirror is mounted to repeatedly swing through the same given scan angle in synchronism with the scanning mirror and a second optical arrangement of mirrors in alignment with the first mentioned mirrors receives the beam after passing through successive areas of the fabric and directs it to the de-scanning mirror. The beam reflected from the de-scanning mirror in turn can then be analyzed.