The embodiment relates to a lens actuator and a camera module including the same.

The lens actuator according to the embodiment includes a base; a guide rail coupled to the base; a first lens assembly including a lens group and moving in an optical axis direction along the guide rail; a first magnet disposed on one side of the first lens assembly; and a first coil unit spaced apart from the first magnet and disposed on the base.

The guide rail may include a first stopper of the first lens assembly at one end.

The first stopper may limit movement of the first lens assembly.

The material of the first stopper of the guide rail may be different from the material of the base.

A linear motor conveyor system having a moving element comprising a first and a second magnetic element on opposite sides; a first track comprising a first linear motor configured to generate a dynamic magnetic field which acts on the first magnetic element to provide a first dynamic lateral force and a first dynamic longitudinal force; a second track with a transfer region adjacent to the first track, the second track configured to generate a magnetic field that acts on the second magnetic element to provide a second lateral force; and a controller to control the first linear motor such that the first dynamic lateral force is configured to bias the moving element toward the first linear motor until the moving element reaches a switch point in the transfer region, after which the dynamic lateral forces are selectively adjusted to bias the moving element toward the first or second track.

A setting tool driving fastening elements, comprising a holder for a fastening element; a drive-in element transferring a fastening element in the holder into a substrate along a setting axis by a setting energy E.sub.kin of at least 30 J and at most 600 J; a drive for driving the drive-in element toward the fastening element along the setting axis, the drive comprising a capacitor, a rotor on the drive-in element; and, an excitation coil, which during discharge of the capacitor is flowed through by current and generates a magnetic field accelerating the drive-in element toward the fastening element, the drive-in element having a piston diameter d.sub.K and a piston mass m.sub.K, and wherein, for d.sub.K,

⅔(a+b E.sub.kin.sup.n)≤d.sub.K≤4/3(a+b E.sub.kin.sup.n)

where a=33 mm, b=6 mmJ.sup.−n and n=⅓ and/or, for M.sub.K,

⅔(c+d E.sub.kin.sup.n)≤m.sub.K≤5/3(c+d E.sub.kin.sup.n)

where c=20 g, d=30 gJ.sup.−n and n=⅓.

An interface apparatus for releasably attaching a primary part of a linear motor to a carriage includes an attachment module configured to attach the primary part of the linear motor to the interface apparatus. At least one insertion portion is configured to permit insertion into a holding portion of the carriage along an axial direction of the linear motor. At least one blocking apparatus is configured to releasably block the at least one insertion portion in the holding portion of the carriage.

An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.

An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.

A displacement device includes a stator having non-parallel stator-x and stator-y elongated traces. The device also includes a moveable stage having a first magnet array with first magnetization segments linearly elongated in a stage-x direction and having magnetization directions generally orthogonal to the stage-x direction. The first magnet array includes a first pair of adjacent first magnetization segments made up of two first magnetization segments adjacent to one another in a stage-y direction non-parallel to the stage-x direction. Each first magnetization segment in the first pair has a corresponding magnetization direction oriented at a corresponding angle .sub.n about a corresponding stage-x axis as measured from a positive stage-z direction that is generally orthogonal to both the stator-x and stator-y directions. The corresponding angle .sub.n is one of 45+n90 where n is any integer. Each first magnetization segment in the first pair has a different magnetization direction.

The invention provides an insert molded lens driving apparatus including a driving coil having two ends, wherein the lens holder includes multiple insert members for electrical connection partially embedded into the lens holder and spaced apart from each other. Each of the insert members electrically coupled to the driving coil and having a first connecting end extending along a first direction and a second connecting end extending along a second direction, which.

The invention provides an insert molded lens driving apparatus including a driving coil having two ends, wherein the lens holder includes multiple insert members for electrical connection partially embedded into the lens holder and spaced apart from each other. Each of the insert members electrically coupled to the driving coil and having a first connecting end extending along a first direction and a second connecting end extending along a second direction, which.

A linear actuator includes dual bucking magnets, dual pole pieces, and dual spacers. The linear actuator includes a coil-and-housing assembly disposed around a magnet assembly. The magnet assembly includes two bucking magnets sandwiched around a central magnet. The central magnet and the bucking magnets may be separated by spacers. A housing is disposed around the magnet assembly. Between the housing and the magnet assembly, a dual coil is wound in two opposing directions to generate additive forces on the magnet assembly.