Abstract: Disclosed herein are a suspension wire for compensating for hand vibration and an image photographing device having the same. The suspension wire for compensating for hand vibration, which is mounted between an optical unit and a housing so as to have a length thereof in an optical axis direction to float and support the optical unit within the housing, includes: a wire body having both ends thereof each fixed to the optical unit and the housing; and a deformation buffer formed in the wire body to allow the wire body to flexibly receive impact force when external impact is applied to the wire body, thereby preventing permanent deformation or fracture of the wire body.

Abstract: A lens actuating module for realizing focus adjustment and optical zooming. The lens actuating module includes a rod which is disposed on one side of a lens barrel on which at least one lens is mounted, and has an axis direction corresponding to an optical axis direction of the lens barrel, a driving force transmission member which has a conjoining recess to be conjoined with an outside surface of the rod and has magnetism so as to be conjoined with the outside surface of the rod due to a magnetic force, and a piezoelectric actuator which is disposed on one side of the driving force transmission member in the optical axis direction to provide an axis direction driving force to the rod via the driving force transmission member.

Abstract: Disclosed herein is camera module including: a lens barrel; an auto-focusing actuator; and a handshake compensating actuator, wherein the auto-focusing actuator and the handshake compensating actuator include a common magnet for actuating auto-focusing and handshake compensation, an auto-focusing corner magnet, a coil for auto-focusing, and a coil for handshake compensation, one surface of the common magnet for actuating auto-focusing and handshake compensation and the auto-focusing corner magnet face the coil for auto-focusing and the other surface of the common magnet for actuating auto-focusing and handshake compensation faces the coil for handshake compensation.

Abstract: Disclosed herein is an image photographing device having a function for compensating hand vibration. The image photographing device having a function for compensating hand vibration includes: an optical unit; a magnet combined with an outer peripheral surface of the optical unit; a housing inserted with the optical unit and the magnet and having coils disposed at a position corresponding to the magnet; suspension wires arranged at four corners of the optical unit, having the upper end portions and the lower end portions each combined with the optical unit and the housing to support the optical unit in a state floated from the bottom surface of the housing, and having a predetermined bending part formed at any point; a flexible printed circuit board surrounding the outer peripheral surface of the housing and applying current to the coils; and a substrate having the image sensor mounted on the top surface thereof and combined with the lower portion of the housing.

Abstract: A lens actuating module for realizing focus adjustment and optical zooming. The lens actuating module includes a rod which is disposed on one side of a lens barrel on which at least one lens is mounted, and has an axis direction corresponding to an optical axis direction of the lens barrel, a driving force transmission member which has a conjoining recess to be conjoined with an outside surface of the rod and has magnetism so as to be conjoined with the outside surface of the rod due to a magnetic force, and a piezoelectric actuator which is disposed on one side of the driving force transmission member in the optical axis direction to provide an axis direction driving force to the rod via the driving force transmission member.

Abstract: Disclosed herein is a lens actuating module for realizing focus adjustment and optical zooming. The lens actuating module includes a rod which is disposed on one side of a lens barrel on which at least one lens is mounted, and has an axis direction corresponding to an optical axis direction of the lens barrel, a driving force transmission member which has a conjoining recess to be conjoined with an outside surface of the rod and has magnetism so as to be conjoined with the outside surface of the rod due to a magnetic force, and a piezoelectric actuator which is disposed on one side of the driving force transmission member in the optical axis direction to provide an axis direction driving force to the rod via the driving force transmission member.

Abstract: Disclosed herein is a camera module, including: a lens holder including a receiving unit receiving a lens module therein; a driving unit joined to the lens holder to be movable in a direction vertical to an optical-axis direction; a housing in which the driving unit is installed to be movable in the vertical direction to the optical-axis direction and having a protruding member that protrudes on one surface thereof; a shape memory alloy wire part connected to the driving unit to generate driving force in the vertical direction to the optical-axis direction; and an elastic member applying a preload to the shape memory alloy wire part to cause initial transformation.

Abstract: An optical image stabilizer, in which a magnet and a coil are arranges such that they oppose each other. The Hall sensor is arranged such that one face thereof is opposed to one face of the magnet. The Hall sensor can easily detect the location of a group of lenses by generating a corresponding signal in response to a variation in magnetic force following a variation in the gap between magnets depending on the direction in which a group of lenses is driven, and simultaneously, in response to a variation in magnetic force that occurs when the group of lenses is displaced in the direction that intersects the direction of the gap.

Abstract: There is provided a camera module including: a housing; a lens unit mounted in the housing; a hand shake correction unit correcting a movement of the lens unit with respect to the housing; and a damping member disposed between the housing and the lens unit to thereby reduce the movement of the lens unit through the hand shake correction unit.

Abstract: A camera module in accordance with an embodiment of the present invention includes a housing, a first shaft, which is disposed in a first axis direction and coupled to the housing in such a way that the other end part can be tilted against one end part, a moving guide, which is mounted on the first shaft in such a way that the moving guide can slide in the first axis direction, a second shaft, which is disposed in a second axis direction and supported by the housing in such a way that the second shaft can be tilted against the housing, a lens module, which is mounted on the second shaft in such a way that the lens module can slide in the second axis direction, and a driver, which moves the lens module in the first axis direction and the second axis direction.

Abstract: Disclosed herein are a suspension wire for compensating for hand vibration and an image photographing device having the same. The suspension wire for compensating for hand vibration, which is mounted between an optical unit and a housing so as to have a length thereof in an optical axis direction to float and support the optical unit within the housing, includes: a wire body having both ends thereof each fixed to the optical unit and the housing; and a deformation buffer formed in the wire body to allow the wire body to flexibly receive impact force when external impact is applied to the wire body, thereby preventing permanent deformation or fracture of the wire body.

Abstract: Disclosed herein is an image stabilization mechanism for a camera module. The image stabilization mechanism includes a base, a movable stage receiving a lens barrel therein and having a magnet, and a piezoelectric actuator. The piezoelectric actuator is installed to the base, moves the movable stage in an X-axis or Y-axis direction to remove shake of the lens barrel, and maintains contact with the movable stage because of magnetic attractive force between the piezoelectric actuator and the magnet. The image stabilization mechanism reduces the number of components, thus simplifying the structure and minimizing an increase in height.

Abstract: Disclosed herein is a lens actuating module for realizing focus adjustment and optical zooming. The lens actuating module includes a rod which is disposed on one side of a lens barrel on which at least one lens is mounted, and has an axis direction corresponding to an optical axis direction of the lens barrel, a driving force transmission member which has a conjoining recess to be conjoined with an outside surface of the rod and has magnetism so as to be conjoined with the outside surface of the rod due to a magnetic force, and a piezoelectric actuator which is disposed on one side of the driving force transmission member in the optical axis direction to provide an axis direction driving force to the rod via the driving force transmission member.

Abstract: Disclosed herein is an image photographing device having a function for compensating hand vibration. The image photographing device having a function for compensating hand vibration includes: an optical unit; a magnet combined with an outer peripheral surface of the optical unit; a housing inserted with the optical unit and the magnet and having coils disposed at a position corresponding to the magnet; suspension wires arranged at four corners of the optical unit, having the upper end portions and the lower end portions each combined with the optical unit and the housing to support the optical unit in a state floated from the bottom surface of the housing, and having a predetermined bending part formed at any point; a flexible printed circuit board surrounding the outer peripheral surface of the housing and applying current to the coils; and a substrate having the image sensor mounted on the top surface thereof and combined with the lower portion of the housing.

Abstract: A lens actuating module. The module includes a housing and a lens barrel. received in an accommodating space of the housing and having a lens therein. A driving unit applies a driving force to the lens barrel such that the barrel can be moved up in an optical axis direction by a pulling force of contraction of an SMA (shape memory alloy) wire fixed to the housing. A rotary member is interposed between the housing and the lens barrel. A preload unit pulls the lens barrel in the optical axis direction such that the lens barrel can move down to an original position, and pulls the lens barrel in a direction perpendicular to the optical axis to maintain a contact of the lens barrel with the rotary member. The lens barrel is moved by the contracted or extended amount of the SMA wire, thus realizing a simple structure and miniaturization.

Abstract: Disclosed herein is a lens actuating module. The module includes a housing having an accommodating space and a bush guide. A lens barrel is accommodated in the accommodating space and includes a lens and a barrel hook. A driving unit applies a driving force to a bush such that it is moved up in the direction of the optical axis, by pulling force of contraction of a shape memory alloy wire. The bush is guided by the bush guide and engages with the barrel hook. A rotary member is interposed between the housing and the lens barrel. A preload unit pulls the lens barrel in the direction of the optical axis such that the lens barrel moves down to an original position, and pulls the lens barrel in a direction perpendicular to the optical axis to maintain a contact of the lens barrel with the rotary member.

Abstract: Disclosed herein is a camera module. The camera module includes a lens barrel having at least one lens which brings an image of a subject into focus. A housing having a space for the lens barrel, and friction member formed in axially. A piezoelectric actuator provided in an outer circumferential surface of the lens barrel, and generating vibration when external voltage is applied to the piezoelectric actuator, with a through hole formed for having the friction member. An elastic member include the friction member, and inserted into the through hole of the piezoelectric actuator, and applying the vibrations to the friction member.

Abstract: The present invention relates to a camera module equipped with a vibration compensation mechanism. The camera module includes a lens unit for changing an image of a subject at a specific magnification, a housing for accommodating the lens unit so that the lens unit can move in the direction of an optical axis, an auto-focus actuator unit installed so that the lens unit can move in the direction of the optical axis, suspension members for supporting the housing so that the housing can float in a direction perpendicular to the direction of the optical axis, a box-type case configured such that the suspension members are fastened thereto and the housing is accommodated therein, a circuit board disposed beneath the case and configured such that an image sensor is installed thereon, and a compensation actuator configured to compensate for a displacement caused by the vibration of the housing.

Abstract: A camera module in accordance with an embodiment of the present invention includes a housing, a first shaft, which is disposed in a first axis direction and coupled to the housing in such a way that the other end part can be tilted against one end part, a moving guide, which is mounted on the first shaft in such a way that the moving guide can slide in the first axis direction, a second shaft, which is disposed in a second axis direction and supported by the housing in such a way that the second shaft can be tilted against the housing, a lens module, which is mounted on the second shaft in such a way that the lens module can slide in the second axis direction, and a driver, which moves the lens module in the first axis direction and the second axis direction.

Abstract: Disclosed herein is an image stabilization mechanism for a camera module. The image stabilization mechanism includes a base, a movable stage receiving a lens barrel therein and having a magnet, and a piezoelectric actuator. The piezoelectric actuator is installed to the base, moves the movable stage in an X-axis or Y-axis direction to remove shake of the lens barrel, and maintains contact with the movable stage because of magnetic attractive force between the piezoelectric actuator and the magnet. The image stabilization mechanism reduces the number of components, thus simplifying the structure and minimizing an increase in height.