Patent application number | Description | Published |
20110103781 | SHAKE CORRECTION APPARATUS IN DIGITAL CAMERA - A shake correction apparatus for correcting shake of a camera includes: a lens support plate including a correction lens and driven in a perpendicular direction with respect to an optical axis; and a position fixing member that decouplably couples with the lens support plate and fixes a position of the lens support plate according to a rotation of the lens support plate. | 05-05-2011 |
20110188840 | LENS BARREL AND PHOTOGRAPHING APPARATUS COMPRISING THE SAME - A lens barrel and a photographing apparatus comprising the lens barrel include: a lens module that comprises at least one lens and moves along an optical axis of the at least one lens; a shake correction module arranged near the lens module; at least one fixing member that is disposed between the lens module and the shake correction module and fixes the shake correction module in response to being pressed by the lens module; a frame on which the at least one fixing member is installed; and at least one elastic member that elastically mounts the at least one fixing member on the frame. | 08-04-2011 |
20120057859 | LIGHT QUANTITY ADJUSTMENT APPARATUS AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME - A light quantity adjustment apparatus includes a support plate with a first through hole, a rotation plate with a second through hole corresponding to the first through hole and rotatable with respect to the support plate, 2D iris plates rotatably connected to the support plate so as to move between a location in which the first through hole is completely opened and another location in which the first through hole is completely closed, two 3D iris plates each having one end rotatably connected to the support plate and another end engaged with the rotation plate, a shading plate, and a shading plate driving unit. The 2D iris plates adjust an open area of the first through hole. The two 3D iris plates move between a retreat location away from the first through hole and a photographing location where a first photographing hole and a second photographing hole are formed. | 03-08-2012 |
20120105960 | OPTICAL DEVICE INCLUDING ADJUSTABLE OPTICAL ELEMENT - An optical device includes an optical element through which light is transmitted, a frame that supports the optical element, magnets in the frame around the optical element, a base unit that movably supports the frame, a cover unit to cover the magnets, and magnetic force generating units in the cover unit in positions corresponding to the magnets and that generate magnetic force when an electrical signal is applied. | 05-03-2012 |
20120236414 | METHOD AND APPARATUS FOR ADJUSTING POSITION OF OPTICAL ELEMENT - An apparatus for adjusting a position of an optical element is disclosed. The apparatus includes: a support; a movement unit for supporting an optical element and being movable relative to the support; a magnet unit; a coil unit for generating 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 for detecting a relative position of the movement unit with respect to the support; a locking unit for limiting or allowing movement of the movement unit; and a controlling unit connected to the coil unit for controlling the coil 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. | 09-20-2012 |
20130027524 | LIGHT AMOUNT ADJUSTING APPARATUS AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME - A light amount adjusting apparatus includes: a two-dimensional (2D) aperture assembly that adjusts an opening area of a via hole through which light is transmitted; a three-dimensional (3D) aperture plate that forms a first opening and a second opening by blocking a part of the via hole, or moving to outside of the via hole to open the via hole; a first shielding plate that is movable to open or close the first opening; and a second shielding plate that is movable so as to close the second opening when the first shielding plate opens the first opening and to open the second opening when the first shielding plate closes the first opening. | 01-31-2013 |
20130027790 | POSITION SENSOR ASSEMBLY AND OPTICAL DEVICE INCLUDING THE SAME - Position sensor assemblies having compact structures and capable of precisely sensing a position change, and optical devices including the same are disclosed. A position sensor assembly is provided that includes: a sensing unit that outputs a signal varying as a magnetic force varies; and a magnet spaced apart from the sensing unit and i movably disposed with respect to the sensing unit, and comprising protrusion units of opposite polarities that protrude from each end portion of the magnet in one surface of the magnet toward the sensing unit. | 01-31-2013 |
20130128093 | DEVICE FOR TRANSPORTING OPTICAL ELEMENT AND PHOTOGRAPHING APPARATUS INCLUDING THE DEVICE - A device for transporting an optical element so that inclination of the optical element is substantially prevented to more precisely control the position of the optical element, including: a base; a transporting member that supports the optical element and is movably disposed along a predetermined direction with respect to the base; a magnet extending from the base along a movement direction of the transporting member; a coil that is coupled to the transporting member and generates a magnetic field when an electrical signal is applied thereto; and a magnetic substrate that is disposed on the transporting member and applies a force to the transporting member toward the magnet due an action of a magnetic force between the magnet and the magnetic substrate. | 05-23-2013 |
20140078328 | IMAGE STABILIZER AND DIGITAL PHOTOGRAPHING APPARATUS HAVING THE SAME - An image stabilizer includes: a correction lens module that comprises a correction lens and a correction lens supporting plate to which the correction lens is coupled; a magnet that is fixed to the correction lens supporting plate; a driving unit that is disposed to face the magnet and reacts to the magnet so as to move the correction lens module in a first direction perpendicular to an optical axis and in a second direction perpendicular to the first direction; a detecting unit that is disposed to face the magnet opposite the driving unit and detects movement of the correction lens module; and a magnetic body that is disposed to face the magnet to restore the correction lens module to an initial position thereof and is placed on a same plane as the detecting unit. | 03-20-2014 |
20140160311 | OPTICAL ADJUSTING APPARATUS - The present disclosure relates to an optical adjusting apparatus having an optical adjusting lens for image stabilization and auto focusing, which includes a lens holder that supports the optical adjusting lens; at least one image stabilization VCM actuator unit that moves the lens holder perpendicular to an optical axis of the optical adjusting lens, the image stabilization VCM actuator unit including a magnet with a neutral zone parallel to the optical axis; and an auto focusing VCM actuator unit that moves the lens holder in an optical axis direction, the auto focusing VCM actuator unit including a magnet with a neutral zone orthogonal to the optical axis. | 06-12-2014 |
20140198387 | METHOD AND APPARATUS FOR ADJUSTING POSITION OF OPTICAL ELEMENT - An apparatus for adjusting a position of an optical element is disclosed. The apparatus includes: a support; a movement unit for supporting an optical element and being movable relative to the support; a magnet unit; a coil unit for generating 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 for detecting a relative position of the movement unit with respect to the support; a locking unit for limiting or allowing movement of the movement unit; and a controlling unit connected to the coil unit for controlling the coil 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. | 07-17-2014 |
20140355118 | IMAGE STABILIZER AND ELECTRONIC APPARATUS INCLUDING THE SAME - An image stabilizer includes a correction lens module including a correction lens and a correction lens supporting plate to which the correction lens is coupled, a plurality of drivers configured to move the correction lens module in a direction perpendicular an optical axis, each driver including a magnet member fixed to the correction lens supporting plate and a coil configured to react to the magnet member, and a plurality of location restoration units disposed to face the plurality of drivers, configured to restore the correction module to an initial location, and including magnetic bodies. The magnet member may include a first magnet, a second magnet, and a third magnet coupled in one body. | 12-04-2014 |
20150049209 | CAMERA MODULE - A camera module includes a lens barrel including at least one lens group; a moving frame that includes the lens barrel and moves in an optical axis direction and in a first direction and a second direction that are perpendicular to the optical axis direction; a fixed frame that movably supports the moving frame and provides the moving frame with a driving force in the optical axis direction, a driving force in the first direction, and a driving force in the second direction; and a base that fixes the fixed frame and includes an image sensor that is spaced apart from the at least one lens group in the optical axis direction. | 02-19-2015 |