Optics: measuring and testing – Of light reflection – With diffusion
Reexamination Certificate
2007-09-28
2011-12-13
Lyons, Michael A (Department: 2877)
Optics: measuring and testing
Of light reflection
With diffusion
Reexamination Certificate
active
08077319
ABSTRACT:
An apparatus for observing the appearance of the surface (2) of a sample (1), comprising a light source (11) for illuminating said surface (2) from a predetermined direction and means for observing the surface (2). The means of observing the surface (2) comprise a number of substantial flat mirrors (8) located in different directions with respect to said surface (2). The means furthermore comprise an optical system (6,14) for observing said flat mirrors (8). Each flat mirror (8) reflects an image of the surface (2) of the sample (1) to the image receiving part (6) of the optical system (6,14).
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Koninklijke Philips Electronics , N.V.
Lyons Michael A
Merlino Amanda
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