Microscope automatic focusing device and method thereof

Details Microscope automatic focusing device and method thereof Microscope automatic focusing device and method thereof

2007-09-28

2010-12-14

Luu, Thanh X (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C250S221000

Reexamination Certificate

active

07851735

ABSTRACT:
An auto focus device and method are provided. The device comprises a beam splitter set; a laser emitting device disposed at a first side of the beam splitter set for providing a laser beam to the beam splitter; a lens set disposed at a second side of the beam splitter set and opposing to the testing subject positioned at a third side of the beam splitter set for refracting a reflected beam from a testing subject for generating a light spot; and a photo detecting device disposed with respect to the lens set for receiving the light spot and generating a driving signal.

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