Smooth rotation by a galvanometer
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United States of America Patent
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-
Oct 8, 1991
Grant Date -
N/A
app pub date -
Feb 21, 1989
filing date -
Feb 21, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and device for smoothly rotating a diffraction grating in a spectrophotometer by means of a galvanometer includes modifications in the software in the microprocessor which controls the galvanometer. The software modifications cause the galvanometer to rotate the grating in a series of discrete steps that stimulate a smooth minimum jerk rotation. The amount of rotation in each discrete step is calculated by the microprocessor.
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