Device for a goniometric examination of the optical...

Details Device for a goniometric examination of the optical... Device for a goniometric examination of the optical...

2007-10-02

2007-10-02

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S559270, C250S22300B, C356S630000, C356S237100

Reexamination Certificate

active

11175898

ABSTRACT:
A device for examining the optical properties of surfaces having at least one first radiation device emitting radiation at least at one first predetermined spatial angle to a surface to be examined, at least one first detector device for capturing the radiation emitted to and reflected back from the surface, wherein the detector device allows a local resolution of detected radiation and is positioned at least at a second predetermined spatial angle relative to the surface. At least one spatial angle at which the radiation device and/or the detector device are positioned, is variable.

REFERENCES:
patent: 6097482 (2000-08-01), Smith et al.
patent: 2004/0239919 (2004-12-01), Schwarz

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