Patent Document ID: 7561789
Application ID: 11427531
Patent Status: 1

Claim One:
1. A method for operating an autofocus system for focusing an image on an electronic imager, comprising: a. providing an adjustable lens system defining an optical path for scene light and having at least one movable lens to focus an image of the scene onto the electronic imager and wherein the electronic imager includes color and unfiltered or panchromatic pixels; b. causing a first portion of the scene light to be obscured so that the color pixels and unfiltered or panchromatic pixels of the electronic imager captures a first autofocus image and causing a second different portion of the scene light to be obscured so that the color pixels and unfiltered or panchromatic pixels of the electronic imager captures a second autofocus image wherein portions of the first and second autofocus images are offset; and c. moving the movable lens in response to the offset to a position so that an image to be captured will be in focus.