Autofocus control apparatus and method applied to microscope

Details Autofocus control apparatus and method applied to microscope Autofocus control apparatus and method applied to microscope

1997-09-18

1999-03-23

Nguyen, Thong

Optical: systems and elements

Compound lens system

Microscope

359368, 2502013, G02B 705, G02B 2126

Patent

active

058868135

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.

REFERENCES:
patent: 4695137 (1987-09-01), Jorgens et al.
patent: 5235375 (1993-08-01), Yamana et al.
patent: 5260825 (1993-11-01), Nagano et al.
patent: 5276550 (1994-01-01), Kojima
patent: 5557456 (1996-09-01), Garner et al.
patent: 5604344 (1997-02-01), Finarov
patent: 5675141 (1997-10-01), Kukihara

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