Patent ID: 9201248
Filing Date: 2015-12-01
Classification: G02B,G03B,H04N

Abstract:
1. An apparatus for adjusting a position of an optical element, the apparatus comprising: a support; a movement unit that supports an optical element and being movable relative to the support; a magnet unit disposed on one member selected from the group consisting of the support and the movement unit; a coil unit disposed on the other member of the group consisting of the support and the movement unit to correspond to the magnet unit, the coil unit generates a magnetic force for moving the movement unit when an electrical signal is applied; a sensor unit disposed in a position corresponding to the magnet unit, the sensor unit detects a relative position of the movement unit with respect to the support; a locking unit that limits or allows movement of the movement unit, wherein the locking unit comprises: a controlling unit connected to the coil unit for controlling the coil unit in order to rotate the movement unit for limiting or allowing movement of the movement unit and determining whether the movement unit is in a state where movement of the movement unit is limited by the locking unit, based on a signal output from the sensor unit.