Abstract: Apparatus for controlling motion of an invasive probe relative to a sheath enclosing the probe. The apparatus includes an outer casing, configured for connection to the sheath. The apparatus further includes a drive mechanism, fixedly connected to the outer casing. The drive mechanism has a first set of components, configured to translate the probe along a direction parallel to as axis of the probe, in order to advance and retract the probe with respect to the sheath in a translational stepwise manner. The drive mechanism also includes a second set of components, configured to rotate the probe around the axis of the probe, in order to rotate the probe clockwise and counter-clockwise, with respect to the sheath, in a rotational stepwise manner.

Abstract: A spherical brushless direct current (BLDC) machine includes a first stator, a second stator, and a spherical rotor. The first stator is symmetrically disposed about a first axis and includes a first multi-pole stator core having a first multi-phase winding wound thereon. The second stator is symmetrically disposed about a second axis and includes a second multi-pole stator core having a second multi-phase winding wound thereon. The second stator core is coupled to the first stator core, and the second axis intersects the first axis. The spherical rotor is disposed adjacent to, and is moveable relative to, the first and second stators. The spherical rotor includes a plurality of magnets that emanate a magnetic field, and each magnet has at least one of its magnetic poles facing the first and second stators.

Abstract: An electric actuator (1) includes: a motor part (A); a motion conversion mechanism part (B); and a housing (2) configured to house the motor part (A) and the motion conversion mechanism part (B). The motion conversion mechanism part (B) includes: a screw shaft (33); and a nut member (32) rotatably fitted to an outer periphery of the screw shaft. The screw shaft (33) performs a linear motion in an axial direction along with a rotation of the nut member (32). The housing (2) includes a plurality of members coupled to one another in the axial direction. A terminal part (D) (terminal main body (50)) configured to hold a power supply circuit configured to supply drive power to the motor part (A) includes a tubular portion (50A) sandwiched by the members forming the housing (2) from both sides in the axial direction.

Abstract: A linear vibration motor having elastic pieces provided with vibration arms comprises housing, a mass block, and elastic pieces. The elastic pieces connect the mass block and the housing to provide an elastic force in Z axis direction such that the mass block performs a movement up and down. The elastic pieces are provided with two vibration arms, and the two vibration arms are symmetrical about the X axis when rotating 180 degrees around the X axis. The elastic pieces are S-shaped or inverted Z-shaped, or formed by the combination of two V-shaped vibration arms. The elastic pieces have two or four elastic pieces, and disposed on symmetrical two sides of the mass block.

Abstract: A valve includes a chamber and a piston positioned at least partially in the chamber. A first POLYMAGNET is coupled to a first side of the piston, and a second POLYMAGNET is positioned in the chamber and faces the first POLYMAGNET. An actuator is coupled to the second POLYMAGNET and rotates the second POLYMAGNET from a first rotational position to a second rotational position, which causes the first POLYMAGNET and the piston to move with respect to the second POLYMAGNET.

Abstract: An electromechanical actuator for use in a hydraulic braking circuit of a vehicle comprises an electric motor having a stator and a rotor, and a linear actuator that is located within the motor. The linear actuator comprises an elongate shaft having a screw part at one end carrying an external thread that extends along a portion of the shaft, and a fixing part at the other end shaft, the linear actuator further comprising a drive nut that surrounds the screw part of the shaft and is located at least in a retracted position inside an enlarged bore of the first portion of the rotor body, the drive nut being connected to the screw part through a set of balls that engage the threads of the drive nut and screw part, and the fixing part of the shaft includes a tapering portion that engages a complimentary tapering portion of the bore in the second portion of the rotor body.

Abstract: An actuator (52) for a personal care appliance (50) comprises a housing (54), a spindle (64), a tangential actuator portion (70), and an axial actuator portion (72). The tangential actuator portion (70) includes first and second magnet and pole assemblies (76,78) that define a tangential spring function of the tangential actuator portion. The axial actuator portion (72) includes third and fourth magnet and pole assemblies (90,92) that define an axial spring function of the axial actuator portion. At least one of (i) the first and second magnet and pole assemblies (76,78) of the tangential actuator portion (70) and (ii) third and fourth magnet and pole assemblies (90,92) of the axial actuator portion are configured to enhance a corresponding spring function of the axial actuator portion or tangential actuator portion, respectively.

Abstract: Actuator for a personal care appliance comprising a housing, a spindle, a tangential actuator portion, an axial actuator portion, and a controller. The tangential actuator portion comprises a first magnet and pole assembly having a first sequence of individual grouped magnet segments spaced apart within the housing in a first radial orientation and polarity order, and a first pole assembly of pole members in a first radial configuration about the spindle, a second magnet and pole assembly having a second sequence of individual grouped magnet segments spaced apart within the housing in a second radial orientation and polarity order, and a second pole assembly of pole members in a second radial configuration about the spindle, and an electromagnetic coil disposed about the spindle in-between the first and second magnet and pole assemblies. The tangential actuator portion rotationally displaces the spindle with respect to the housing about a principal axis.

Abstract: An electromechanical transducer apparatus is disclosed and includes a housing. A static portion is substantially immobilized within the housing and includes a magnetic flux generator for generating magnetic flux, a pair of pole pieces for coupling magnetic flux through at least one of a first magnetic circuit and a second magnetic circuit, and a coil disposed to electromagnetically interact with one of the magnetic circuits. The static portion is thermally coupled to the housing via a low thermal resistance path to permit removal of heat. A movable portion includes first and second closing pieces separated from the pole pieces by first and second gaps. The closing pieces are mechanically coupled and supported for reciprocating motion about an equilibrium position which varies the gaps to cause a variation in magnetic reluctance in each of the first and second magnetic circuits.

Abstract: An actuator that transforming electrical energy into mechanical energy (or vice-versa) that is particularly suited to portable applications requiring a high degree of efficient control, e.g. applications in which human-like movement needs to be simulated or interacted with. The actuator has a stator comprising electromagnetic sectors for generating phased electromagnetic fields around the stator and at least one cylindrical element (and preferably two such elements). The stator and the cylindrical element(s) are arranged concentrically around a central axis. The cylindrical element has permanent magnetic elements magnetized radially and arranged as one or more discontinuous helices. Phased magnetization of the stator causes the cylindrical element to rotate around the axis along a helical path, thereby exerting a longitudinal force along the axis.

Abstract: A linear rotary mechanism includes: a pair of elongated guide rails in parallel to each other: a linear motor having a tubular primary side slidably disposed on the guide rails and a shaft-shaped secondary side coaxially extending into an internal hole of the tubular primary side, the shaft-shaped secondary side being axially linearly reciprocally movable along the tubular primary side; and a rotary motor fixedly disposed on the guide rails and connected with one end of the shaft-shaped secondary side. Accordingly, the rotary motor is linearly reciprocally movable along the tubular primary side in synchronism with the shaft-shaped secondary side and the guide rails.

Abstract: A reciprocating electric motor includes a housing, a stator member disposed in the housing, a reciprocating armature movable relative to the housing, and a controller. The stator member includes first and second. electromagnet units opposite to each other in a longitudinal direction of the housing. The reciprocating armature includes first and second elongated pole units each of which is moved into register with a corresponding one of the first and second electromagnet units when the corresponding one of the first and second electromagnet units is energized. The controller is configured to alternately energize the first and second electromagnet units to cause reciprocating movement of the reciprocating armature.

Abstract: A low frequency micro oscillator-driven oscillating system including at least one electric oscillation generator operative to produce oscillations at a first frequency, at least one oscillated article, at least one intermediate element, having at least one resonant frequency lower than the first frequency, the at least one intermediate element being oscillated by the at least one electric oscillation generator and being operative to cause the at least one oscillated article to oscillate and a power supply circuit, supplying electrical power intermittently in a periodic manner to the at least one electric oscillation generator, thereby causing the at least one oscillated article to oscillate at at least one second frequency, lower than the first frequency.

Abstract: A rotary lifting device comprises an actuator shaft, a linear motor and a rotary motor for moving and rotating the actuator shaft about the longitudinal axis thereof. The rotary motor has a hollow rotor, through which the actuator shaft extends and which is kinematically coupled to the actuator shaft in terms of rotation. The linear motor has an armature coaxially arranged with respect to the actuator shaft and kinematically coupled to the actuator shaft at a first longitudinal end thereof. A step-down gear is arranged at a second longitudinal end of the actuator shaft and is capable of being moved in an axial direction relative to the rotary motor. The step-down gear is kinematically coupled to the actuator shaft at the drive side, both with respect to axial movement of the actuator shaft and with respect to rotating movement of the actuator shaft.

Abstract: An apparatus includes an electric machine. The electric machine includes an internal housing, an armature coil disposed within the internal housing and separated from the internal housing by a gap, and a magnetic core associated with the armature coil. The apparatus also includes a fan configured to cause air to flow in the gap between the armature coil and the internal housing.

Abstract: Couplings between driven shafts of an actuator and a motor of an actuator are provided. The coupling may be directly integrated into a rotor of the motor. The coupling may be provided by an adaptor that includes a shaft that extends into a central bore of the rotor of the motor. The adaptor can include a collar that defines a coupling recess that receives a distal end of the driven shaft of the actuator. The collar may take the form of a clamp.

Abstract: A lens driving apparatus includes a housing, a lens holder mounted on a base of the housing and moveable along an optical axis, a stationary guide member provided on the base, and a moveable guide member provided on and moveable with the lens holder, wherein the moveable guide member is frictionally engaged with the stationary guide member and slidable therealong when the lens holder is activated. The apparatus further include a plurality of magnets with magnetization direction lying on a plane perpendicular to the optical axis, a coil disposed adjacent and parallel to the magnets, and a position encoder provided on the lens holder or the support for close loop control of the movement of the lens holder.

Abstract: A magnetic reluctance device includes a casing, an inner pipe, a lead screw, a magnet, at least a protruding unit, and at least a metallic element. The magnetic reluctance device is advantageously characterized in that, at least a protruding unit protrudingly disposed on the inner wall surface of an inner pipe moves along a thread of a lead screw, and thus the lead screw slides and drives the inner pipe to rotate, such that it is convenient for a magnet to produce a magnetic drag between the metallic element and the metallic pipe of the casing. The magnetic reluctance device further includes an adjustment unit for altering the distance between the metallic element and the magnet to thereby conveniently alter the strength of the magnetic drag produced between the magnet, the metallic element, and the metallic pipe of the casing while the magnet is rotating.

Abstract: Counterpart discs with respective sets of permanent magnets disposed at their periphery are rotated through an alternating sequence of repulsive and attractive positions to yield a repeating cycle of attractive and repulsive forces. At least one of the discs is freed to travel along the axis of relative rotation in response to the cyclical attractive/repulsive forces, thereby producing mechanical oscillation at a frequency determined by the number of magnetic positions in the two discs and the relative rotational speed of the discs.

Abstract: A drive section for a substrate transport arm including a frame, at least one stator mounted within the frame, the stator including a first motor section and at least one stator bearing section and a coaxial spindle magnetically supported substantially without contact by the at least one stator bearing section, where each drive shaft of the coaxial spindle includes a rotor, the rotor including a second motor section and at least one rotor bearing section configured to interface with the at least one stator bearing section, wherein the first motor section is configured to interface with the second motor section to effect rotation of the spindle about a predetermined axis and the at least one stator bearing section is configured to effect at least leveling of a substrate transport arm end effector connected to the coaxial spindle through an interaction with the at least one rotor bearing section.

Abstract: In order to store excess kinetic energy, an energy storage device and an operating method are described, in which the kinetic energy can be partially converted into electrical energy by a first electric machine using at least two electric machines arranged on a shaft and can be partially converted into additional kinetic energy, such as rotational energy, by a second electric machine. The method for energy storage of excess kinetic energy provides for converting kinetic energy partially into electric energy and partially into additional kinetic energy, such as rotational energy.

Abstract: An electric motor for operating a small electric device is disclosed. The electric motor includes at least one first oscillatory motor component; an inductor for producing a magnetic field; and a first magnet arrangement including a first permanent magnet that generates a force for activating a rotatory oscillating movement (R) of the at least one first oscillatory motor component around a rotating axis (z). The at least one first oscillatory motor component and the first magnet arrangement are configured such that a magnetic reluctance torque acting between the first oscillatory motor component and the first permanent magnet operates as a righting moment for the rotatory oscillating movement (R).

Abstract: A linear motor unit includes at least one first linear motor in which an armature is disposed spaced from a shaft guide supporting section which is provided at a distal end of a frame, and a shaft guide is disposed on a proximal side of the shaft guide supporting section; and at least one second linear motor in which an armature is disposed in contact with the proximal side the shaft guide supporting section which is provided at the distal end of the frame, and the shaft guide is disposed on the distal side of the shaft guide supporting section, wherein the first linear motors and the second linear motors are alternatively arranged in a width direction of the frame with the respective shaft guides of the linear motors aligned with each other, the shaft guide is rotated by a rotary motor.

Abstract: The present invention provides a cylindrical magnetic levitation stage and an exposure apparatus, which can form a nanoscale pattern of a large area directly on the surface of a large cylinder. The present invention provides an exposure apparatus including a new type of cylindrical magnetic levitation stage, which can levitate, rotate, and move a cylinder in the axial direction by the principle of magnetic levitation in a non-contact manner and form a nanoscale pattern on the surface of the cylinder, and a light source for irradiating light on the surface of the cylinder, thereby reducing the position error of the cylindrical magnetic levitation stage to a nanoscale size and correcting the error caused by mechanical processing in real time.

Abstract: The present disclosure relates to an electromagnetic actuator of the type producing a force due to the current that remains substantially constant over the entirety of its useful travel Y and that has a low force in the absence of current, including at least one stator structure, at least one electrical supply coil, and a moving member, the stator structure having, on the one hand, a central pole running perpendicular to the direction of the travel Y and having a width YC1 in the direction of the travel and terminating at its end in a width YC2 that is greater than or equal to the travel Y of the moving member, YC2 being greater than YC1, and, on the other hand, two lateral poles having widths YL1 in the direction of the travel and terminating at their end in a width YL2 greater than YL1.

Abstract: A differential drive for manipulating an elongated device includes a drive mechanism configured to provide rotational and linear movement to the elongated percutaneous device. The drive mechanism including a platform rotatably supported by a support and a linear drive operatively coupled to the platform. A first motor operatively rotates the platform relative to the support and moving a portion of the linear drive relative to the platform. A second motor operatively rotates the platform relative to the support and moving a portion of the linear drive relative to the platform.

Abstract: A linear drive and its use for machining an optical workpiece are proposed, the linear drive having a linear movable rotor, a linearly movable compensating body and an electrical compensating drive for movement of the compensating body opposite to the rotor and the rotor extending into the compensating drive and/or a first bearing arrangement mounting the rotor in a torsionally stiff manner and a second bearing arrangement pivotally mounting the rotor.

Abstract: An electrical power supply device (10) for electrically powering equipment on a rotary rotor (2) of an aircraft (1), which rotor is driven by a shaft (5), said device (10) comprising a removable stick (11). The stick (11) includes an upper alternator (20) and an upper tube (12) secured to said shaft (5) so as to be constrained in rotation therewith, said upper alternator (20) having a plurality of upper coils (21) fastened to an upper inside peripheral surface (12?) of said upper tube (12), said stick (11) having a rod (13) carrying an upper permanent magnet (22), said device (10) having a mechanism (30) so that said rod (13) and said upper tube (12) move with distinct rotary movements, said mechanism (30) having connection means (31) so as to be connectable to a reference member (8, 9) of an aircraft (1).

Abstract: The present invention provides a shaft rotary type linear motor that enables a movable element to rotate and linearly move by using a simple structure, and can therefore support compact, space-saving and lightweight designs. The shaft rotary type linear motor includes: a shaft; an outer cylinder; a hollow movable element having a plurality of permanent magnets within the outer cylinder; an armature surrounding the hollow movable element and having a plurality of coils; and a frame containing the armature. The shaft is supported by a rotatable and linearly movable linear guide.

Abstract: An actuator according to an embodiment includes support mechanisms that are disposed in plural places of an output shaft in a longitudinal direction and support the output shaft in a linear direction and a rotation direction, a motor portion that is disposed in a longitudinal direction of the output shaft and drives the output shaft in the linear direction and the rotation direction, a first detecting portion that detects an angle of a rotation direction of the output shaft, and a second detecting portion that detects displacement of the direct direction of the output shaft.

Abstract: Cogging forces of a cylindrical linear motor are reduced with a linear motor having a rotor with eight poles and a stator with 36 toroidal coils (optionally multiples of eighteen toroidal coils) inserted into slots (N1 to N36) (or a multiple of 36 slots). The toroidal coils extend in the circumferential direction of the stator, are of equal size, and are arranged axially one behind the other. All the terminals of the toroidal coils are located in an axially extending connector channel. The two terminals of each coil are connected according to a specific connection scheme.

Abstract: An actuator includes an upper stator with four upper poles and a lower stator with four lower poles aligned with the four upper poles. A permanent magnet is attached to the upper stator and the lower stator. Four moving armatures are positioned at terminal ends of the four upper poles and the four lower poles. Coils are wrapped around the upper stator and the lower stator. A controller selectively applies current to the coils to migrate flux created by the permanent magnet through selective poles of the upper stator and the lower stator and thereby alter the size of air gaps associated with the four moving armatures.

Abstract: A rotary lifting device comprises an actuator shaft, a linear motor and a rotary motor for moving and rotating the actuator shaft about the longitudinal axis thereof. The rotary motor has a hollow rotor, through which the actuator shaft extends and which is kinematically coupled to the actuator shaft in terms of rotation. The linear motor has an armature coaxially arranged with respect to the actuator shaft and kinematically coupled to the actuator shaft at a first longitudinal end thereof. A step-down gear is arranged at a second longitudinal end of the actuator shaft and is capable of being moved in an axial direction relative to the rotary motor. The step-down gear is kinematically coupled to the actuator shaft at the drive side, both with respect to axial movement of the actuator shaft and with respect to rotating movement of the actuator shaft.

Abstract: A spring-less buried magnet linear-resonant motor is provided. The motor includes a buried magnet system and a stator operable to produce an alternating magnetic field exerting alternating axial forces on the buried magnet system that has a self-centering force and a required stiffness to reciprocate at a frequency near an alternating current (AC) supply frequency.

Abstract: Provided is a linear and rotary actuator capable of bearing moment and load from a movable body and downsizing its radial dimension. A spline shaft is held in housings to be movable linearly in the axial direction and rotatable about the axis. The spline shaft is connected to a mover shaft of a linear motor. The spline shaft is surrounded with a hollow rotor of a rotary motor. The rotor is connected to a spline nut which transmits rotation of the rotor to the spline shaft by rotating together with the rotor and allows linear movement of the spline shaft. The rotor of the rotary motor is rotated by a stator of the rotary motor. The spline nut, the stator of the rotary motor and a stator of the linear motor are arranged in this order from an end of the spline shaft and mover shaft along the axial direction.

Abstract: The aim of the invention is to provide a cost-effective, easily regulated rotary-linear drive. Therefore, the invention provides for the rotary-linear drive to connect a rotary drive (10) to a linear drive module (11). The linear drive module (11) comprises a rotatable drive-side receiving device for receiving a torque from the rotary drive (10). Additionally, the linear drive module has a linear motor, the armature (15) of which is rotatable, is rotated by a stator (14), and comprises an output element for the purpose of driving the shaft (12) in a rotary-linear fashion. To this end, the linear drive module (11) also comprises a coupling device (16) that couples the receiving device and the armature (15) in a rotationally secure but not linear fashion.

Abstract: A force-controlled electric hand including: an electric motor; a rotary-linear motion conversion mechanism converting rotary motion from the electric motor to linear motion; a pair of finger bases including a movable finger base which moves linearly in parallel with a first axial line through the rotary-linear motion conversion mechanism by power from the electric motor; a pair of fingers fixed to the pair of finger bases to grip a target workpiece by linear motion of the movable finger base; and a force sensor provided at least at one of the pair of finger bases to detect gripping force of the pair of fingers. The force sensor has a pair of parallel beams extending in parallel with a second axial line vertical to the first axial line and detects the gripping force based on an amount of displacement of the parallel beams in a direction of the first axial line.

Abstract: A generator includes a sliding member, a first power generation element and a second power generation element. The sliding member is made of a biomass-containing material. The first power generation element is configured to slide with respect to the sliding member. The second power generation element is configured to generate electrical power by variation of its relative position with respect to the first power generation element.

Abstract: Disclosed is an actuator that generates the reciprocating rotational motion of an electric toothbrush or similar without employing a drive transmission mechanism as a separate entity from a drive source. An actuator (100) includes a fixed body (110) comprising an outer yoke (140) having inner wall planes that respectively oppose the magnetic pole planes of unlike poles of a magnet (150) with a predetermined gap therebetween. A coil (122) is arranged to encircle the magnet (150) between the magnetic pole planes of the unlike poles of the magnet (150) and the inner wall planes of the outer yoke (140) that respectively oppose the magnetic pole planes of the unlike poles, and this coil (122) is movably supported as a movable body (120) by way of an elastic member (130) fastened to the fixed body (110).

Abstract: Disclosed is an actuator that realizes reciprocal rotational motion of an electric toothbrush, for example, without utilizing a drive transmission mechanism that is separate from the drive source. In the actuator, a fixed body (120) has a coil (128) that is disposed around a magnet (160) and faces the magnetic planes with different polarities within the magnet (160) at individual prescribed distances, and an outer yoke (150) that covers the outer periphery of the coil (128). The fixed body (120) rotatably supports a movable body (110), which holds the magnet (160), via a coil spring that is an elastic member (130) made from a wire. An alternating current supplying part (140) supplies an alternating current having roughly the same resonance frequency as that of the fixed body (120) to the coil (128) to cause the movable body (110) to vibrate in a reciprocal rotational motion. The coil spring that is the elastic member (130) uniformly disperses stress generated by the vibration.

Abstract: A rotary and linear motion device includes a magnetic stator assembly, opposed electromagnetic actuators, and a linear-to-rotary converter (e.g., cam). Each electromagnetic actuator includes a coil that is configured to reciprocate relative to the magnetic stator assembly or to linearly translate in a common direction relative to the magnetic stator assembly. The electromagnetic actuators are coupled to the linear-to-rotary converter and upon reciprocation or linear translation, drive the linear-to-rotary converter in rotary or linear motion. The device may be located inside a wheel, which may be part of a vehicle. If part of a wheel of a vehicle, the device can be used to provide propulsion, steering, braking, and suspension for the vehicle.

Abstract: An actuator is provided, which includes a main shaft having a first shaft portion for generating a magnetic field in a linear direction and a second shaft portion for generating a magnetic field in a rotational direction, and a coil wound around an outer peripheral surface of the main shaft. The actuator performs both a rotational driving function and a straight driving function via a single unit to improve the positional accuracy and provide spatial efficiency, thereby improving the merchantable quality of the actuator.

Abstract: The actuator is of the roto-linear type and comprises a sleeve, a clevis and an operating rod which transmits the load. An electromagnetic sensor that measures and controls the load is placed inside the actuator, at the shoulder of the clevis. This sensor is associated with measurement means for processing the signals from the said winding, which winding are torus-shaped and arranged inside a field frame which is magnetically closed by an armature.

Abstract: A fan with damper includes a motor and a fan located in a duct ventilation passage. The motor is connected with the fan to drive the fan and move air or other gases through the duct. The motor has a drive shaft that slides along its length between on and off positions. A damper is also located in the passage, is operatively connected with the drive shaft such that the damper moves to an open position when the drive shaft slides to its on position and the damper moves to a closed position when the drive shaft slides to its off position.

Abstract: A magnetic drive apparatus includes first and second magnet carriers carrying first and second permanent magnet arrangements. An intermediate magnet carrier disposed between the first and second magnet carriers carries a third permanent magnet arrangement. The magnet carriers are arranged for rotation relative to each other such that the magnet arrangements produce magnetic interactions that result in power stroke forces causing the magnet carriers to undergo relative reciprocation in first and second stroke directions during power zone portions of the relative rotation. The magnetic interactions impart substantially no power stroke forces during dead zone portions of the relative rotation. The dead zones include magnet carrier relative rotation positions wherein opposing magnetic poles are mutually coaxially aligned but produce a substantially equal balance of push and pull magnetic forces.

Abstract: A drive device includes a rotational drive device with a rotating stator and a rotating armature for displacing a shaft in a rotational movement and a linear drive device with a linear stator and a linear armature for displacing a shaft in a linear movement. The rotational drive device and the linear drive device are arranged axially one behind the other, with the rotating armature and the linear armature being connected to a respective shaft section. The shaft sections of the rotating armature and the linear armature are axially aligned and connected to each other in a rotationally fixed manner such that the shaft sections can move axially with respect to each other but they can only rotate together.

Abstract: To further reduce force ripple of a linear motor, a primary part has a plurality of windings sequentially arranged in an axial direction and subdivided in the axial direction into groups having an identical number of windings. The sequence of the association of the windings with the phases of a multi-phase system is not repeated at least in a group of windings within the primary part as long as the winding sense of the corresponding windings in the group is maintained.

Abstract: In accordance with an example embodiment, an apparatus comprises a printed wiring board. The printed wiring board comprising a coil and being coupled to an image sensor. The coil, using the magnetic circuitry, is designed to tilt the printed wiring board and automatic focus optomechanics, the automatic focus optomechanics being attached to the printed wiring board over a gimbal pivot system to operate an optical imaging stabilizing system. A second coil is designed to interact with the magnetic circuitry to move the lens barrel at least one of closer and farther from the image sensor to perform an automatic focus. An apparatus comprises a lens barrel comprising at least four coils. The at least four coils each configured to interact with respective magnet circuitry. The at least four coils and respective magnetic circuitry capable designed to tilt the lens barrel in such a manner as to correct an imbalance.

Abstract: In an embodiment, an actuator includes a plurality of stator windings adapted to produce a first stator magnetic field that translates along a stator axis, and to produce a second stator magnetic field that rotates around the stator axis. In addition, the actuator includes a rotor, coupled to a shaft, and positioned within a central stator channel. The rotor is adapted to produce a first rotor magnetic field that translates along a shaft axis and to produce a second rotor magnetic field that rotates around the shaft axis. An actuator system includes an actuator and an actuator controller unit, which is adapted to produce actuator inputs. An embodiment of a method for controlling the actuator includes providing actuator inputs to produce a translating magnetic field in the stator, a translating magnetic field in the rotor, a rotating magnetic field in the stator, and a rotating magnetic field in the rotor.

Abstract: In accordance with an example embodiment of the present invention, an apparatus, comprising a printed wiring board. The printed wiring board comprising a coil and being coupled to an image sensor. Further, the coil, using the magnetic circuitry, is designed to tilt the printed wiring board and automatic focus optomechanics, the automatic focus optomechanics being attached to the printed wiring board over at least one of: a pivot point and a tilting axis to operate an optical imaging stabilizing system. Moreover, a second coil is designed to interact with the magnetic circuitry to move the lens barrel at least one of closer and farther from the image sensor to perform an automatic focus.