Patent ID: 7079187
Filing Date: 2006-07-18
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 minutely driving said focus adjusting system before a second climbing-drive mode for driving said focus adjusting system at a speed higher than in said first driving mode which, in said first driving mode repeatedly performs determination of a focusing state of said focus adjusting system while causing said driving device to drive said focus adjusting system, 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, inverts said focus adjusting system from being driven in said one direction; and an image pickup device which receives a light flux taken in through said focus adjusting system, wherein said control device controls said driving device to drive said focus adjusting system in such a direction as to increase a predetermined high-frequency component of a picked-up image signal from said image pickup device.