Autofocus control apparatus and method applied to microscope
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United States of America Patent
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-
Mar 23, 1999
Grant Date -
N/A
app pub date -
Sep 18, 1997
filing date -
Sep 20, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The preceding-profile of a specimen image upon inserting a preceding objective lens in the optical path to a specimen placed on a stage is detected. The succeeding-profile of the specimen image upon inserting a succeeding objective lens in the optical path is predicted on the basis of the preceding- and succeeding-optical parameters of the preceding and succeeding objective lenses inserted in the optical path, and the preceding-profile. The position of the stage with respect to the specimen is adjusted on the basis of the succeeding-profile obtained by this prediction.
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