Focus detecting device which varies between a varying state and

Details Focus detecting device which varies between a varying state and Focus detecting device which varies between a varying state and

1987-02-12

1987-11-10

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

G03B 310

Patent

active

047061243

ABSTRACT:
A focus detecting device comprises an image sensor; sharpness detecting means for detecting the sharpness of an image from image signals obtained from the image sensor; in-focus state identifying means for identifying an in-focus state of the image on the image sensor by comparing plural values of sharpness detected in different focus states; and focus state control means for varying the focus state during a period t at an interval T, wherein t<T, and maintaining a fixed focus state during a period T-t.

REFERENCES:
patent: 3617633 (1971-11-01), Barr
patent: 4354204 (1982-10-01), Kimura
patent: 4370038 (1983-01-01), Kimura
patent: 4484806 (1984-11-01), Onishi et al.

Affiliated with

Also associated with

Rating

Focus detecting device which varies between a varying state and does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Focus detecting device which varies between a varying state and , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Focus detecting device which varies between a varying state and will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1071390