Optics: measuring and testing – Of light reflection
Patent
1992-02-11
1993-12-07
McGraw, Vincent P.
Optics: measuring and testing
Of light reflection
356432, 356435, 356 73, 250572, G01N 2155, G01N 2159
Patent
active
052687481
ABSTRACT:
An arrangement for measuring the reflection and/or transmission of an object comprises a frame 1, a carrier 7 for the object, a radiation source 15 and a detector unit. The detector unit, which comprises one or more radiation-sensitive detectors 17A, 17B may be arranged on a holder 13 which is pivotable about a pivotal axis 13a. A slide 5, which is movable parallel to the pivotal axis, may be provided for moving the carrier and the detector unit rectilinearly towards and away from one another.
REFERENCES:
patent: 4297587 (1981-10-01), Baker
patent: 4298801 (1981-11-01), Heitman
Van Hijningen Nicolaas C. J. A.
Van Nimwegen Cornelis J. M.
Verhoeven Johannes A. Th.
Keesee LaCharles P.
McGraw Vincent P.
Treacy David R.
U.S. Philips Corporation
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