Abstract: A dual set-up zoom actuator includes a first carrier having a first lens and movable along an optical axis, a second carrier having a second lens and being capable of moving anterior or posterior to the first carrier along the optical axis, a housing enclosing the first and second carriers, a first coil unit equipped to the housing and having n, which is a natural number not less than two, first coils disposed anterior or posterior along the optical axis, a second coil unit equipped to the housing at a location different than the first coil unit and having n+1 second coils disposed anterior or posterior along the optical axis, a first magnet having n+1 magnetic poles facing the first coil unit and mounted on the first carrier, and a second magnet having n magnetic poles facing the second coil unit and mounted on the second carrier.

Abstract: An actuator for driving a reflector includes a movement frame including a reflector configured to reflect or refract light to a lens and a first magnet, a first support frame configured to provide a space of the movement frame to move, a first drive coil configured to generate an electromagnetic force in the first magnet to rotationally move the movement frame in a first direction based on the first support frame, a first rotation guide between the movement frame and the first support frame and having an arc shape so that the movement frame rotates in the first direction, and a first ball inside the first rotation guide, in which a center of curvature of the first rotation guide corresponds to a center of rotation of the reflector.

Abstract: An actuator for driving a reflector includes a movement frame, a first support frame, a first drive coil, a first rotation guide and a first ball. The movement frame includes a reflector configured to reflect or refract light to a lens and a first magnet. The first support frame is configured to provide a space of the movement frame to move. The first drive coil is configured to generate an electromagnetic force in the first magnet to rotationally move the movement frame in a first direction based on the first support frame. The first rotation guide is arranged between the movement frame and the first support frame and has an arc shape so that the movement frame rotates in the first direction. The first ball is arranged inside the first rotation guide, wherein a center of curvature of the first rotation guide corresponds to a center of rotation of the reflector.

Abstract: An actuator with a multipolar magnet structure includes a carrier configured so that a lens is loaded thereon, the carrier being configured to linearly move along an optical axis direction, a housing configured to accommodate the carrier, a coil unit provided in the housing and having an n number of coils arranged along the optical axis direction in the same side of the housing, where n is a natural number of 2 or above, and a magnet mounted to the same side of the carrier to face the coil unit, the magnet having an n+1 number of magnetic poles facing the coil unit.

Abstract: Disclosed herein is an actuator for driving zoom lenses, where the zoom actuator comprises a first carrier having attached thereto a first lens and movable along an optical axis; a second carrier having attached thereto a second lens and being capable of moving along the optical axis and running anterior or posterior to the first carrier; a housing enclosing the first and second carriers; a first magnet attached to the first carrier; a second magnet attached to the second carrier; a first coil unit mounted to the housing and facing the first magnet; a second coil unit mounted to the housing and facing the second magnet; and a plurality of balls; with at least one of said plurality of balls positioned between the housing and the first carrier; and at least one of said plurality of balls positioned between the housing and the second carrier.

Abstract: An actuator for a reflector may include a carrier having a first groove rail at the rear, a first magnet above the carrier, a middle guide having a first guide rail to face the groove rail and having a second groove rail of a track shape at the rear, a first ball between the first groove rail and the first guide rail, a second magnet at the rear of the middle guide, a base having a second guide rail to face the second groove rail and the middle guide, a second ball between the second groove rail and the second guide rail, a circuit board with a first coil and a second coil, a pulling yoke at the front of the middle guide, and a pulling magnet at the rear of the carrier to face the pulling yoke and to generate an attractive force to the pulling yoke.

Abstract: An actuator for a reflector according to an embodiment of the present disclosure includes a moving frame having a reflector configured to reflect light to a lens, and a magnet, a base frame configured to provide a moving space for the moving frame, a driving coil configured to generate a magnetic force at the magnet so that the moving frame rotates based on the base frame, a guide rail formed at any one of the moving frame and base frame and having a rounded shape, a holder provided to any one of the moving frame and the base frame not provided with the guide rail, provided in a direction facing the guide rail, and having a groove shape; and a ball arranged between the guide rail and the holder.

Abstract: An actuator for a reflector may include a carrier having a first groove rail at the rear, a first magnet above the carrier, a middle guide having a first guide rail to face the groove rail and having a second groove rail of a track shape at the rear, a first ball between the first groove rail and the first guide rail, a second magnet at the rear of the middle guide, a base having a second guide rail to face the second groove rail and the middle guide, a second ball between the second groove rail and the second guide rail, a circuit board with a first coil and a second coil, a pulling yoke at the front of the middle guide, and a pulling magnet at the rear of the carrier to face the pulling yoke and to generate an attractive force to the pulling yoke.

Abstract: An actuator for driving a reflector includes a movement frame, a first support frame, a first drive coil, a first rotation guide and a first ball. The movement frame includes a reflector configured to reflect or refract light to a lens and a first magnet. The first support frame is configured to provide a space of the movement frame to move. The first drive coil is configured to generate an electromagnetic force in the first magnet to rotationally move the movement frame in a first direction based on the first support frame. The first rotation guide is arranged between the movement frame and the first support frame and has an arc shape so that the movement frame rotates in the first direction. The first ball is arranged inside the first rotation guide, wherein a center of curvature of the first rotation guide corresponds to a center of rotation of the reflector.

Abstract: An actuator with a multipolar magnet structure includes a carrier configured so that a lens is loaded thereon, the carrier being configured to linearly move along an optical axis direction, a housing configured to accommodate the carrier, a coil unit provided in the housing and having an n number of coils arranged along the optical axis direction in the same side of the housing, where n is a natural number of 2 or above, and a magnet mounted to the same side of the carrier to face the coil unit, the magnet having an n+1 number of magnetic poles facing the coil unit.

Abstract: An apparatus for driving an optical system with a memory unit includes a main frame having an optical system; a base frame configured to accommodate the main frame; a driving unit configured to move the main frame in a first direction perpendicular to an optical axis with respect to the base frame; and a memory unit configured to store first reference position information that is information about a position at which the optical system is aligned in the first direction.

Abstract: An actuator with a multipolar magnet structure includes a carrier configured so that a lens is loaded thereon, the carrier being configured to linearly move along an optical axis direction, a housing configured to accommodate the carrier, a coil unit provided in the housing and having an n number of coils arranged along the optical axis direction, where n is a natural number of 2 or above, and a magnet mounted to the carrier to face the coil unit, the magnet having an n+1 number of magnetic poles facing the coil unit.

Abstract: An autofocus apparatus according to an embodiment of the present invention includes a reflector provided to a rear side of a lens assembly and configured to change a path of a light passing through the lens assembly so that the light is oriented toward an image sensor; a carrier to which the reflector is mounted, the carrier being configured to linearly move in an optical axis direction; a housing configured to accommodate the carrier; and a driving unit configured to move the carrier so that a distance between the reflector and the lens assembly and a distance between the reflector and the image sensor are changed simultaneously.

Abstract: An actuator with a multipolar magnet structure includes a carrier configured so that a lens is loaded thereon, the carrier being configured to linearly move along an optical axis direction, a housing configured to accommodate the carrier, a coil unit provided in the housing and having an n number of coils arranged along the optical axis direction, where n is a natural number of 2 or above, and a magnet mounted to the carrier to face the coil unit, the magnet having an n+1 number of magnetic poles facing the coil unit.

Abstract: An apparatus for driving an optical system with a memory unit includes a main frame having an optical system; a base frame configured to accommodate the main frame; a driving unit configured to move the main frame in a first direction perpendicular to an optical axis with respect to the base frame; and a memory unit configured to store first reference position information that is information about a position at which the optical system is aligned in the first direction.

Abstract: An apparatus for driving an optical-reflector includes a support frame having a groove line formed therein, an optical-reflector installed at the support frame to change a path of light input through an opening so that the light is put into a lens, a base frame having a guiding groove formed with a shape corresponding to the groove line, and a plurality of balls disposed between the groove line and the guiding groove so that the support frame and the base frame are kept in a spaced state, and a driving unit configured to move the support frame along a path corresponding to the groove line or the guiding groove.

Abstract: An apparatus for driving an optical-reflector includes a support frame having a groove line formed therein, an optical-reflector installed at the support frame to change a path of light input through an opening so that the light is put into a lens, a base frame having a guiding groove formed with a shape corresponding to the groove line, and a plurality of balls disposed between the groove line and the guiding groove so that the support frame and the base frame are kept in a spaced state, and a driving unit configured to move the support frame along a path corresponding to the groove line or the guiding groove.

Abstract: An imaging apparatus is provided, which includes an image capturer configured to generate a plurality of short-exposure images by performing continuous imaging for a first time in a first imaging mode in which imaging is performed through exposure over the first time, a processor configured to control the image capturer to generate at least one short-exposure image by performing additional imaging after the first time if an imaging command is input in a state where the first imaging mode and an HDR (High Dynamic Range) mode are set, and an image processor configured to synthesize the short-exposure images generated by the image capturer by successively accumulating the short-exposure images.

Abstract: An imaging apparatus is provided, which includes an image capturer configured to generate a plurality of short-exposure images by performing continuous imaging for a first time in a first imaging mode in which imaging is performed through exposure over the first time, a processor configured to control the image capturer to generate at least one short-exposure image by performing additional imaging after the first time if an imaging command is input in a state where the first imaging mode and an HDR (High Dynamic Range) mode are set, and an image processor configured to synthesize the short-exposure images generated by the image capturer by successively accumulating the short-exposure images.