Digital auto focus system

Details Digital auto focus system Digital auto focus system

G - Physics

03

B

88/94.5

G03B 3/10 (2006.01) G02B 7/11 (1980.01)

Patent

CA 1095756

ABSTRACT OF THE DISCLOSURE A digital auto focus system includes first and second detector arrays which receive first and second detection images of an object. The detection images are displaced by a number n of detectors depending upon the distance between the object and the detector arrays. The output signals of the de- tector arrays are processed to provide a signal indicative of the number n. This signal may be used, for example, to control the position of a lens in a photographic system.

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