Infrared spectrometer with automated tablet sampling
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United States of America Patent
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May 30, 2006
Grant Date -
N/A
app pub date -
Jan 19, 2005
filing date -
Jan 19, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An infrared spectrometer system with automated tablet sampling includes an infrared spectrometer providing a modulated output beam to a sample position, and reflected and transmitted light detectors. A tablet holding wheel is mounted to advance multiple tablets one at a time to the sample position. The tablet holding wheel includes a tablet wheel base having a plurality of transmission openings therein in a circular pattern around a central axis of the base, grippers adjacent to each of the transmission openings that are movable inwardly and outwardly, and a cam ring mounted to and rotatable with respect to the tablet wheel base, the cam ring being operatively engaged with the grippers to move the grippers outwardly and inwardly to engage and hold tablets over the transmission openings. The tablet holding wheel can be automatically rotated to move a tablet to the sample position where analysis can be carried out, to advance the tablet wheel to move the next tablet into position for analysis, and to repeat the process until all of the tablets have been analyzed.
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