Patent ID: 8558943
Filing Date: 2013-10-15
Classification: G03B,H04N

Abstract:
1. A focus system that focuses an image capture device lens, comprising: a first photodetector array configured to capture a first image of a portion of an object that is to be captured through the image capture device lens when an image is focused onto an image capture medium by the image capture device lens; a first lens configured to focus the object portion onto the first photodetector array; a second photodetector array configured to capture a second image of the object portion concurrently with the capture of the first image of the object portion; a second lens configured to focus the object portion onto the second photodetector array; and a processor that performs operations comprising receiving data corresponding to the first image and second image concurrently, and determining image focus information corresponding to the determined difference in position of the object portion between the concurrently captured first image and second image such that the image is focused on the image capture medium by the image capture device lens, wherein in the determining the processor performs operations comprising