Optics: measuring and testing – Inspection of flaws or impurities – Bore inspection
Patent
1979-07-31
1981-04-28
Corbin, John K.
Optics: measuring and testing
Inspection of flaws or impurities
Bore inspection
350 69, G01N 2190
Patent
active
042642035
ABSTRACT:
An assembly of light path deflectors is arranged so that radiation is transmitted along a folded optical path to an observation or measuring instrument (e.g. a pyrometer) from a point on a surface in an enclosure such as a blast furnace. The point is scanned along a scanning path (preferably spiral) which is uniformly distributed about the intersection of the surface with the sighting axis of the instrument, by simultaneously rotating the assembly and rotating at least one of the deflectors.
REFERENCES:
patent: 3023662 (1962-03-01), Hicks, Jr.
Centre de Recherches Metallurgiques--Centrum voor Research in de
Corbin John K.
Koren Matthew W.
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