Spectrometer apparatus for determining an optical characteristic of an object or material having one or more sensors for determining a physical position or non-color property
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United States of America Patent
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Mar 22, 2005
Issued Date -
N/A
app pub date -
Aug 8, 2002
filing date -
Jun 30, 1998
priority date (Note) -
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Abstract
A spectrometer apparatus for determining an optical characteristic of an object or material is disclosed. A probe is positionable to be in proximity to the object or material. First and second receivers are provided on the probe. Light from one or more first receivers is coupled to one or more first optical sensors via a spectral separation implement. Light from one or more second receivers is coupled to one or more second sensors without spectral separation of the light. A light source provides light to the object or material via the probe. A processor coupled to receive one or more signals from the first and second sensors determines the optical characteristic of the object or material and determines a physical position property of the probe with respect to the object or material or a non-color optical property of the object or material. The physical position property may be a distance or angular position of the probe with respect to a surface of the object or material. The non-color optical property may be translucence, gloss, gray level and/or surface texture.
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