Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 24, 2007
Patent Application Number
09550640
Date Filed
April 14, 2000
Patent Primary Examiner
Patent abstract
An autofocus apparatus with a photographic optical system having a movably disposed focus adjusting lens, an optical element to split light beams received from an object, a plurality of image forming lenses to form images from portions of the split light beams, a plurality of focusing estimating portions to create focusing data for focusing the image of the object on the corresponding image forming lenses, a data detecting device to detect data for focusing the image, a data creating device to correct the detected focusing data, a selecting portion to select from among the focusing estimating portions, and a moving device to move the focus adjusting lens.
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