Automatic focus adjusting device

Details Automatic focus adjusting device Automatic focus adjusting device

1979-12-04

1982-01-19

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

354 25, G01J 136

Patent

active

043119042

ABSTRACT:
An automatic focus adjusting device comprises an optical system for forming the image of a sample to be examined at the image formation point, a first image sensor disposed at a first position for receiving the light image of the sample and converting it into an electrical signal, a second image sensor disposed at a second position for receiving the light image of the sample and converting it into an electrical signal, signal processing systems for processing the signals from the first and second image sensors, and a servo device for controlling the vertical position of the sample relative to the image forming optical system.

REFERENCES:
patent: 4258989 (1981-03-01), Tokutomi et al.

Affiliated with

Also associated with

Rating

Automatic focus adjusting device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Automatic focus adjusting device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic focus adjusting device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1916805