Fluorescent penetrant measurement borescope

A fluorescent borescope is provided that provides target measuring capabilities. The device includes a primary ultraviolet light source and a secondary visible light source that has a light path spaced apart from the primary light source. The secondary light source is associated with a shadow bar th...

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Bibliographische Detailangaben
Hauptverfasser:	TAMBURRINO, RICHARD A
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEDICAL OR VETERINARY SCIENCE OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SURGERY TESTING
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Beschreibung
Zusammenfassung:	A fluorescent borescope is provided that provides target measuring capabilities. The device includes a primary ultraviolet light source and a secondary visible light source that has a light path spaced apart from the primary light source. The secondary light source is associated with a shadow bar that projects a shadow onto a target to be measured in a way that its video image changes position or size in proportion to the distance of the image sensing head of the borescope from the target. Calibration and measurement circuitry are provided to determine the size of the target in relation to the magnification of the projected shadow.