Portable goniospectrometer with constant observation centre
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United States of America Patent
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Apr 28, 2015
Grant Date -
Jun 5, 2014
app pub date -
Jun 27, 2012
filing date -
Jul 28, 2011
priority date (Note) -
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Abstract
A transportable goniospectrometer with a constant observation center for a radiometric measurement of the reflection of a natural surface includes a spectrometer having an optical unit and a sensor. A main pillar has a lower and an upper pillar end. An arc has a fixed and a free arc end. A slide is disposed displaceably and fixably along the arc. The slide carries the optical unit orientated towards the observation center. A cantilever has a fixed cantilever end connected to the upper pillar end via a screw connection, and a free cantilever end which has a suspension that is rotatable and fixable about a vertical axis. The suspension is connected to the sensor and to the fixed arc end of the arc. The suspension is configured to position the arc at a distance of the arc radius of the arc above the natural surface.
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