In an embodiment, an actuator or circuit includes elements moveably coupled via bearings positioned between curved grooves. The bearings and the curves may exert a restorative force to return the elements to an original position after movement and may be spherical, cubic, cylindrical, and/or include gears that interact with groove gears. In some embodiments, an electrical coil may be coplanar with a surface of an element and a hard magnet may be positioned in the center and be polarized to stabilize or destabilize the element with respect to another element. In various embodiments, a magnetic circuit includes an element with an electrical coil wrapped in multiple directions around the element. In some embodiments, an actuator includes attraction elements and exertion of force causes an element to approach, contact, and/or magnetically attach to one of the attraction elements.

A method of assembling a shaft of a magnetic motor comprising the steps of providing a plurality of magnets (210), providing a plurality of pole pieces (212), stacking (S11) said magnets and pole pieces to form a subassembly (202) having an outer surface of a first diameter, providing a precipitation hardenable stainless steel sheet material, forming said stainless steel sheet material into a tube (S20), drawing said tube to form a precision tube having an inner surface of a second diameter (S21), said second diameter being greater than or equal to said first diameter, heat treating said precision tube to form a tubular sleeve of a Rockwell C hardness of at least about 40 and a magnetic permeability of at least about 100 (S22), and inserting said subassembly axially into said sleeve (S30), thereby forming a shaft for a magnetic motor.

A method of assembling a shaft of a magnetic motor comprising the steps of providing a plurality of magnets (210), providing a plurality of pole pieces (212), stacking (S11) said magnets and pole pieces to form a subassembly (202) having an outer surface of a first diameter, providing a precipitation hardenable stainless steel sheet material, forming said stainless steel sheet material into a tube (S20), drawing said tube to form a precision tube having an inner surface of a second diameter (S21), said second diameter being greater than or equal to said first diameter, heat treating said precision tube to form a tubular sleeve of a Rockwell C hardness of at least about 40 and a magnetic permeability of at least about 100 (S22), and inserting said subassembly axially into said sleeve (S30), thereby forming a shaft for a magnetic motor.

A vibration device includes a housing having accommodating space, a vibrator, a stator and an elastic member configured to suspend the vibrator in the accommodating space, the vibrator, the stator and the elastic member are accommodated in the housing, one of the vibrator and the stator includes a magnetic circuit unit while the other one includes a coil, the housing includes a pair of first side walls symmetrically arranged in its long axis direction and a pair of second side walls symmetrically arranged in a short axis direction, the elastic member is a sheet-like spring perpendicular to vibrating direction of the vibrator, the elastic member includes a first fixing portion fixedly connected with the second side wall, a second fixing portion fixedly connected with the vibrator, and an S-shaped connecting portion which connects the first fixing portion with the second fixing portion and extends along long axis direction.

A vibration device includes a housing having accommodating space, a vibrator, a stator and an elastic member configured to suspend the vibrator in the accommodating space, the vibrator, the stator and the elastic member are accommodated in the housing, one of the vibrator and the stator includes a magnetic circuit unit while the other one includes a coil, the housing includes a pair of first side walls symmetrically arranged in its long axis direction and a pair of second side walls symmetrically arranged in a short axis direction, the elastic member is a sheet-like spring perpendicular to vibrating direction of the vibrator, the elastic member includes a first fixing portion fixedly connected with the second side wall, a second fixing portion fixedly connected with the vibrator, and an S-shaped connecting portion which connects the first fixing portion with the second fixing portion and extends along long axis direction.

Scanning apparatus includes a rotor, including a permanent magnet, which is configured to rotate about an axis. A stator includes a magnetic core, which is configured to generate a static magnetic field in a vicinity of the rotor and defines an equilibrium angle of rotation of the rotor, at which the permanent magnet is aligned with the static component of the magnetic field. At least one coil is wound on the magnetic core so that when the coil driven with an AC electrical current at a selected frequency, the stator generate a time-alternating magnetic field, which causes the rotor to oscillate on the axis at the selected frequency about the equilibrium angle.

Scanning apparatus includes a rotor, including a permanent magnet, which is configured to rotate about an axis. A stator includes a magnetic core, which is configured to generate a static magnetic field in a vicinity of the rotor and defines an equilibrium angle of rotation of the rotor, at which the permanent magnet is aligned with the static component of the magnetic field. At least one coil is wound on the magnetic core so that when the coil driven with an AC electrical current at a selected frequency, the stator generate a time-alternating magnetic field, which causes the rotor to oscillate on the axis at the selected frequency about the equilibrium angle.

A linear vibration motor, comprising a motor housing, a stator, a vibrator and at least two sets of elastic support components which suspend the vibrator within the motor housing and which are used to support the vibrator and to provide elastic restoring force; the elastic support components are positioned between the inner wall of the motor housing and the vibrator, each set of elastic support components comprising at least two elastic supports; the elastic supports comprise each a first connection point fixedly connected to the vibrator and a second connection point fixedly connected to the inner wall of the motor housing; the structure of the elastic supports is such that same extends in a coiled manner in the direction of vibration of the vibrator, said linear vibration motor thereby providing a streamlined structure, and the elastic support components having a good vibratory effect so as to give users a favorable tactile experience.

A linear vibration motor, comprising a motor housing, a stator, a vibrator and at least two sets of elastic support components which suspend the vibrator within the motor housing and which are used to support the vibrator and to provide elastic restoring force; the elastic support components are positioned between the inner wall of the motor housing and the vibrator, each set of elastic support components comprising at least two elastic supports; the elastic supports comprise each a first connection point fixedly connected to the vibrator and a second connection point fixedly connected to the inner wall of the motor housing; the structure of the elastic supports is such that same extends in a coiled manner in the direction of vibration of the vibrator, said linear vibration motor thereby providing a streamlined structure, and the elastic support components having a good vibratory effect so as to give users a favorable tactile experience.

The present disclosure provides an electromagnetic actuator that drives an armature by an electromagnetic force. The electromagnetic actuator includes a stator, a coil, and an insulator. The stator is formed of a magnetic material and has a cylindrical portion. The coil is disposed outside of the stator. The coil generates a magnetic field when being energized. The insulator is disposed in a particular region of the stator facing the coil in a radial direction. The insulator extends partially along the stator in a circumferential direction and suppresses a current flowing through the stator in the circumferential direction. The stator is continuously formed entirely along the circumferential direction by the magnetic material.