JAHWA ELECTRONICS CO., LTD.

An actuator for a camera according to an embodiment of the present disclosure includes a first carrier configured to move in at least one direction, a housing configured to support the movement of the first carrier, a second carrier configured to move in at least one direction relative to the first carrier and having a magnet installed thereon, a coil configured to face the magnet, a circuit board including a first part fixed to the housing, a second part fixed to the first carrier and configured such that the coil is installed thereon, and a connection part that connects the first and second parts and has at least one bending region, and a supporting member provided in the bending region and configured to physically support the bending region.

An actuator for cameras includes a carrier having a lens attached thereto and movable along an optical axis, a housing enclosing the carrier, at least one magnet mounted on the carrier and having k magnetic poles where k is a natural number equal to or larger than one, coils facing the magnet and disposed anterior or posterior along the optical axis, a Hall sensor assembly having m Hall sensors where m is a natural number equal to or larger than three, disposed along the optical axis, each of the m Hall sensors separated from one another by a first spacing, and an operational driver controlling the current applied to the coils in response to the signals from the Hall sensor assembly, in which the length of the magnetic pole is not less than the first spacing but not more than twice the first spacing.

An actuator for a camera according to an embodiment includes an OIS carrier configured to move in a direction perpendicular to an optical axis direction; an AF carrier configured to support the OIS carrier and move in the optical axis direction together with the OIS carrier; a housing configured to support the AF carrier; an OIS magnet installed on the OIS carrier; and an OIS coil installed in the housing to face the OIS magnet, wherein a height of the OIS magnet is at least twice a stroke, which is a moving distance of the AF carrier by AF driving.

A horizontal linear vibration generating device. The horizontal linear vibration generating device includes: a case configured to form a mounting space therein by being coupled with a lower cover; a vibrating body configured to vibrate in a first direction within the mounting space; a fixing body including a coil surrounded by the vibrating body and a yoke around which the coil is wound; and a pair of elastic bodies configured to elastically support vibration of the vibrating body between the case and the vibrating body, in which the vibrating body may include: a frame portion to which the elastic bodies are connected; and a plurality of magnets mounted on an inner surface of the frame portion, the elastic bodies may include: a first elastic body configured to elastically support the vibration of the vibrating body from one side; and a second elastic body supports the vibration of the vibrating body.

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.

Provided herein is a zoom drive actuator comprising a first carrier movable along an optical axis, a second carrier 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; and a second coil unit, in which the first carrier comprises a first mount equipped with a first lens assembly, a first support to which a first magnet is attached, and a first guide placed on the side of the first mount opposite to the first support, in which the second carrier comprises a second mount equipped with a second lens assembly, a second support to which a second magnet is attached, and a second guide placed on the side of the second mount opposite to the second support and in which the first coil unit faces the first magnet and the second coil unit faces the second magnet and where the first carrier comprises a first space forming a corridor to allow the second guide to make a passage through it and the second carrier comprises a second space forming a corridor to allow the first guide to make a passage through it.

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.

An actuator for a camera according to an embodiment of the present disclosure includes a housing configured to provide an inner space; a carrier configured to move in an optical axis direction based on the housing; a magnet installed in the carrier to face a coil installed in the housing; a yoke plate installed in the housing and configured to generate an attractive force with the magnet; and a ball disposed between the housing and the carrier. In this case, a height of the yoke plate is greater than the sum of a height of the magnet and a stroke, which is a moving distance of the carrier by AF driving.

A linear vibration generating apparatus includes a casing coupled to a lower cover so that a mounting space is formed inside the casing, a vibration body configured to vibrate in the mounting space in a first direction, a fixed body including a coil surrounded by the vibration body and including a yoke to which the coil is wound, and a pair of elastic bodies elastically supporting vibrations of the vibration body from between the casing and the vibration body. The vibration body includes a frame part which surrounds the fixed body and to which each of the pair of elastic bodies is connected, and includes a plurality of magnets mounted on an inner surface of the frame part facing the fixed body.

A camera actuator, and a camera actuator having a reinforcing member for preventing a resin bleed out (RBO) phenomenon. The camera actuator may include: a first carrier; a second carrier accommodated inside the first carrier; an optical element accommodated in the second carrier, the second carrier being movable in a plane perpendicular to an optical axis of the optical element with respect to the first carrier; a plurality of balls provided between the first carrier and the second carrier; and ball rolling portions provided in the first carrier and the second carrier, in which the ball rolling portion may be configured such that a reinforcing member is inserted into the first carrier and/or the second carrier, and a recessed flat surface with which the ball comes into contact is formed in the reinforcing member.