LENS DRIVING DEVICE FOR AUTO FOCUS

摘要

PURPOSE: A lens feeder is provided to stably transfer a lens barrel. CONSTITUTION: A piezoelectric unit(120) is installed in a housing. A lens barrel(150) is composed of a first mounting unit, a second mounting unit, and a settling part. The lens barrel is stored in the storing space of the housing and is transferred with a piezoelectricity unit. The settling part is spaced apart from the first mounting unit and the second mounting unit with a uniform interval. A ball member(160) is installed in the first mounting unit and the second mounting unit. A friction unit(140) is installed in the settling part and is contacted with the piezoelectricity unit.