Patent attributes
A focusing apparatus including a focus signal detection circuit that generates a focus signal indicating the degree of focusing, an in-focus direction decision circuit that generates an in-focus direction signal indicating whether a focusing lens moved for focusing is on a far side or near side viewed from the in-focus position using the generated focus signal at predetermined time intervals, in-focus direction memory for storing the in-focus direction signal generated at predetermined time intervals, and a lens control amount calculation circuit and an in-focus vicinity decision circuit that controls the movement of the focusing lens based on a stored immediately preceding predetermined number of in-focus direction signals according to a predetermined rule.
