Automatic focusing device in microscope system

Details Automatic focusing device in microscope system Automatic focusing device in microscope system

1983-11-30

1986-11-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250204, G01J 120

Patent

active

046251030

ABSTRACT:
An automatic focusing device for vertical focusing of a specimen 23 in which an enlarging condenser lens 11 is placed between a light source 12 and a half mirror 7 in an automatic focus detecting system so that an enlarged image 24 of the light source is presented to an objective 1 of the focusing microscope M.

REFERENCES:
patent: 3783270 (1974-01-01), Kamachi
patent: 4251129 (1981-02-01), Suzki et al.
patent: 4383757 (1983-05-01), Phillips

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