Patent ID: 7969502
Filing Date: 2011-06-28
Classification: H04N

Abstract:
1. An apparatus comprising: (A) a driving device which drives a focus adjusting system; and (B) a control device having a first driving mode for determining in-focus direction by controlling said focus adjusting system before a second driving mode for driving said focus adjusting system at a speed higher than in said first driving mode, which, in said first driving mode, repeatedly drives said focus adjusting system towards which a level of a high-frequency component becomes high and, if said focus adjusting system has been driven in one direction until the number of times of the determination repeatedly performed reaches a predetermined number of times, restricts said focus adjusting system from being driven in said one direction, wherein the level of a high-frequency component is a level of a high-frequency component outputted from an image pickup device which receives a light flux taken in through said focus adjusting system.