Abstract: Disclosed herein is a linear vibrator for generating vibration in a mobile communication terminal, a portable terminal, and a photographing apparatus, including: a stator part including a bracket, coils connected to the bracket and a printed circuit board connected to the bracket and applying power to the coils; and a vibrator part configured of a magnet opposite to the coils, a yoke connected to the magnet and a weight body connected to the yoke, wherein the weight body has a cutting part formed by cutting a portion thereof.

Abstract: Disclosed is an apparatus for generating vibrations. The apparatus for generating vibrations includes a housing forming an internal space; a flexible member mounted in the internal space of the housing and made of a soft material, a magnetic field unit disposed to be opposite to the flexible member and including a yoke having a magnet mounted therein to be moved, the magnet electromagnetically interacting with the coil, and a damper suppressing generation of movement sound during movement of the yoke together with the flexible member.

Abstract: There is provided an apparatus for generating vibrations, including: a housing forming an internal space; a flexible member disposed in the internal space of the housing and made of a soft material; a magnetic field unit disposed to be opposite to the flexible member and including a yoke having a magnet mounted therein to be moved, the magnet electromagnetically interacting with a coil; and a damper provided in the internal space of the housing to be disposed outside the coil and reducing movement sound generated due to the tilting of the yoke during upward and downward movement of the yoke.

Abstract: Disclosed is a linear vibrator including a fixing part providing an inner space of a predetermined size, at least one magnet disposed in the inner space of the fixing part to generate a magnetic force, a vibration part including a coil disposed to face the magnet to generate electromagnetic force by interacting with the magnet and a vibrating mass body, an elastic member coupled to the fixing part and the vibration part to provide an elastic force, and a substrate coupled to the vibration part and including a through hole through which the magnet passes to prevent the substrate from contacting the magnet when the vibration part is vibrated.

Abstract: Disclosed is a linear vibrator, the linear vibrator including a stator having first and second coil blocks coupled to a bottom plate of a casing, a vibrator having a magnet disposed at a position corresponding to the first and second coil blocks, and an elastic member elastically supporting the magnet.

Abstract: A vibrating-type electromagnetic generator includes a substrate, a metal wire, and a magnetic member. The substrate includes a vibrating arm member and an opening disposed on the vibrating arm member; the metal wire is configured on the substrate and is passed around the opening, and has a first electrode end and a second electrode end; and the magnetic member is configured in the opening, in which when the vibrating arm member receives an external force, the metal wire induces an electric energy with the magnetic member through vibration of the vibrating arm member, and outputs the electric energy through the first electrode end and the second electrode end.

Abstract: There is provided a linear vibrator according to an exemplary embodiment of the present invention, including: a fixing unit providing an internal space having a predetermined size; a plurality of magnets disposed in the internal space of the fixing unit and positioned to have the same poles face each other so as to generate magnetic force; a vibration unit disposed to face the magnets and including a coil generating electromagnetic force through interaction with the magnets and a vibrating mass body; and an elastic member joined to the fixing unit and the vibration unit to provide elastic force.

Abstract: A linear oscillatory actuator includes a magnetic pole forming portion that includes an electromagnet and a base, magnetic blocks each of which includes a magnet attracted or repelled by the electromagnet to reciprocate, elastic suspensions for supporting the magnetic blocks, and at least one coupling spring portion that couples the magnetic blocks reciprocatably. Each of the elastic suspension includes upper and lower extending portions, and elastic planar portions integrally provided between the upper extending portions and the lower extending portions, respectively. Depressed portions are formed at continuous portions between the upper extending portions and the elastic planar portions, respectively, and each of the depressed portions is depressed toward the magnetic blocks. While the magnetic blocks reciprocate, Stress concentration on the continuous portions can be mitigated by the depressed portions.

Abstract: Disclosed herein is a linear vibrator. The linear vibrator includes a stationary unit which has on an upper portion thereof a magnet generating a predetermined magnetic force and a yoke, and defines an internal space. A vibratory unit includes a coil mounted to face the magnet and applying an electric current, and a mass body. A spring is secured at a lower end thereof to the stationary unit and secured at an upper end thereof to the vibratory unit, thus elastically supporting the linear motion of the vibratory unit. A lubricating part is provided between an outer circumference of each of the magnet and the yoke and the coil, thus preventing noise and abrasion when the vibratory unit moves linearly, in addition to maintaining a vibration.

Abstract: An electrical energy generator that converts kinetic energy harvested from voluntary motor activity of a human or animal to electrical energy. The electrical energy generator includes a housing, a coil of electrically conductive material, a reciprocally movable electromagnetically active mass, springs connecting the mass to either the housing or to adjustment means engaged with said housing, and, optionally, means for constraining non-linear motion of the electromagnetically active mass, and/or means of mitigating motion retardation of the electromagnetically active mass within any existing housing atmosphere. The electrical energy generator may be associated with a carried item, such as a backpack.

Abstract: Disclosed is a horizontal vibration motor, the motor including a stator having a coil block secured to a bottom plate of a case, a vibrator having magnets placed above the coil block and a weight holding the magnets, a first elastic member having a first elastic plate secured to portion of the case corresponding to a first corner of the weight, a second elastic plate bent inwards from the first elastic plate, and a third elastic plate bent outwards from the second elastic plate and secured to portion around a second corner, and a second elastic member having a fourth elastic plate secured to portion of the bottom plate corresponding to a third corner, a fifth elastic plate bent inwards from the fourth elastic plate, and a sixth elastic plate bent outwards from the fifth elastic plate and secured to a fourth corner.

Abstract: The present invention provides a linear vibrator comprising a weight having an auxiliary magnet which is provided in a lower end of the weight and generates magnetic force with respect to the bracket. Therefore, a magnetic attractive force between auxiliary magnet and the bracket prevents undesirable fine vibrations and prevents the vibration unit from coming into direct contact with the casing.

Abstract: Disclosed herein is a linear vibrator, including: a stator including a coil; and a vibrator including a magnet opposite to the coil, wherein the linear vibrator is linearly vibrated due to electromagnetic induction of the coil and the magnet, the magnet is formed in a disc shape in which a cut part is formed by cutting a portion thereof, a magnetic fluid band is formed on an outer peripheral surface of the magnet, and a portion of the magnetic fluid band is in contact with the coil. According to the present invention, there is provided the linear vibrator capable of suppressing weak vibration generated at the time of external impact or movement, previously preventing noise generated as the vibrator applies an impact to the stator due to excessive vibration, and minimizing attenuation of the linear vibration quantity as the cut part that is formed by cutting a portion of the magnet to form the air gap with the coil.

Abstract: A linear vibrator is disclosed, characterized by: a housing; a stator fixed inside the housing; a vibrating unit formed with an opening for surrounding the stator and vibrating inside the housing by being interactive with the stator; and an elastic member elastically supporting the vibrator inside the housing, whereby the vibrating unit is vibrated in the width direction to enable a reduced thickness of the housing.

Abstract: An electromagnetic vibrator includes a vibration sheet, suspension edge, basin frame and magnetic return path system. The electromagnetic vibrator is prepared as connecting back surface of vibration sheet to voice coil being set in magnetic return path system, injecting the vibration sheet and suspension edge to be an integral unit, connecting suspension edge with basin frame by ultrasonic mode and connecting vice coil wire to terminal sheet on basin frame after the wire is connected by vibration sheet.

Abstract: Devices and systems for power electronic circuits are provided. Embodiments of the present invention enable high density inductive energy storage by using electromechanical coupling between an electrically conducting inductive element and a mechanical resonator to passively store energy via both electromagnetic and mechanical mechanisms. A microelectromechanical inductor (MEMI) is provided utilizing a magnet and a conductor. In a specific embodiment, the MEMI includes a permanent magnet on a compliant layer centrally disposed within a spiral coil. In a further embodiment, a second coil is provided near the magnet to provide a resonating transducer.

Abstract: The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit, a cylindrical coil and springs. The bracket is coupled to the casing to form an internal space. The vibration unit includes a weight, a pair of yokes and magnets. The weight has an opening therein. The yokes are disposed on the inner surfaces of the weight. The magnets are provided in the yokes such that different poles of the magnets face each other. The cylindrical coil is perpendicularly mounted to the bracket and disposed in space between the pair of yoke. The springs are coupled to both ends of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction.

Abstract: A microresonator for use as a resonator in a detector is disclosed. In one aspect, the microresonator has a first predetermined resonance mode. The microresonator has an integrated electronic transducer for measuring deformation of the microresonator in the first predetermined resonance mode of the microresonator. The transducer is located at a local deformation of the predetermined resonance mode to measure the deformation of the microresonator at such location. The first predetermined resonance mode may be one of higher order resonance modes.

Abstract: There is provided a horizontal linear vibrator including a bracket providing an internal space; a vibration unit mounted in the internal space and including a mass body moving horizontally and linearly; and a magnetic field unit including a magnet fixed to the mass body and a coil installed within a magnetic field of the magnet and generating electromagnetic force to allow the vibration unit to move horizontally and linearly, wherein the coil includes a coil line disposed between the bracket and a printed circuit board and extending outside of the internal space of the bracket such that the coil line is connected with the printed circuit board for applying power from an external source to the coil outside of the internal space of the bracket.

Abstract: Disclosed is a linear vibrator, the linear vibrator including: a stator including a circuit substrate formed at a bottom surface with a connection terminal and a coil block arranged at an upper surface opposite to the bottom surface and electrically connected to the connection terminal; a first cover arranged at the bottom surface of the circuit substrate and formed with an opening for exposing the connection terminal; a second cover coupled to the first cover in a bottom-opened cylindrical shape; and a vibrator including a magnet arranged inside the coil block, a yoke in which the magnet is mounted, and an elastic member coupled to the yoke and the second cover to vertically vibrate the magnet relative to the coil block.

Abstract: There is provided a linear vibrator including a housing providing an internal space; a magnetic field part having a yoke disposed in the internal space and a magnet magnetized on a surface of the yoke and vibrating in the internal space by an interaction with a coil to which power is applied; an elastic member connecting the yoke and the housing and allowing the magnetic field part to be elastically supported in the internal space; and a magnetic flux collecting part collecting magnetic flux of the magnetic field part and allowing the magnetic field part to move towards the coil.

Abstract: An electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising a substantially annular high-permeability core, the core including at least one magnet therein to define a magnetic circuit, at least one rotatable bearing mounting the core to at least one bearing support, the at least one bearing permitting the core to pivot about a pivot axis, a gap provided in the core, a body of high-permeability material located in the gap, the body being spaced from respective end faces of the core by a respective spacing whereby pivoting movement of the core about the pivot axis causes relative movement between the end faces of the core and the body, and a rotationally fixed coil surrounding a length of the core coaxially with the pivot axis.

Abstract: There is provided a linear vibrator including a fixing unit having a magnet in an inner space of a certain size, the magnet generating magnetic force; a vibration unit including a coil disposed to face the magnet and generating electromagnetic force by interaction with the magnet, and a holder coupled with a surface of the coil and fixedly supporting a mass body which vibrates; and an elastic member coupled with the holder and the fixing unit and providing elastic force to the vibration unit.

Abstract: There is provided a linear vibrator including: a housing having an internal space formed therein; a magnetic field unit including a yoke disposed in the internal space and a magnet mounted on one surface of the yoke, and interacting with a coil to which power is applied to thereby generate vibrations in the internal space; an elastic member configured of a housing fixing part fixed to an inner surface of the housing, a yoke fixing part surface-contacting the other surface of the yoke, and a plurality of connecting strip parts disposed such that an elastic space is formed between the housing fixing part and the yoke fixing part; and a clearance part formed between the yoke and the yoke fixing part, and preventing the connecting strip parts from contacting the yoke during the vibrations of the magnetic field unit.

Abstract: There is provided a linear vibrator including: a housing having an internal space formed therein; a magnetic field unit including a yoke disposed in the internal space, a magnet mounted on a surface of the yoke, and a yoke plate formed on a surface opposite to a contact surface between the magnet and the yoke; a coil interacting with the magnetic field unit to allow the magnetic field unit to move linearly when power is applied thereto, and forming a movement space for the magnetic field unit; magnetic fluid provided in a clearance between the magnetic field unit and the coil and alleviating contact impact between the magnetic field unit and the coil; and a contact avoiding unit formed on at least one of the magnetic field unit and the coil and avoiding a contact between the magnetic field unit and the coil due to an external impact.

Abstract: There is provided a linear vibrator including: a housing having an internal space formed therein; a magnetic field unit including a yoke disposed in the internal space and a magnet mounted on a surface of the yoke, and interacting with a coil to which power is applied to thereby generate vibrations in the internal space; a mass body fixed to an outer surface of the yoke; and a claw part being a portion of the yoke, supporting a bottom of the mass body, and extended to a position corresponding to the center of mass of the mass body.

Abstract: There is provided a linear vibrator including: a housing having an internal space formed therein; a magnetic field unit including a yoke disposed in the internal space and having a magnet and a magnet insertion part formed therein, and interacting with a coil to which power is applied to linearly move in the internal space, the magnet insertion part determining an insertion position of the magnet; and an elastic member disposed in a space between the housing and the magnetic field unit and elastically supporting linear movement of the magnetic field unit.

Abstract: A vibration generating device includes a coil wound around an outer peripheral surface of a core, a vibrator vibrating due to a magnetic field generated by the coil, a magnetic field forming unit having a pair of magnets oppositely disposed at both surfaces of the vibrator so that the same polarities face each other or one magnet disposed at one side surface of the vibrator, and an elastic support member for supporting the vibrator so that the vibrator is capable of freely vibrating, wherein a vibrating direction of the vibrator is set to be parallel to a fixed surface of the device, by means of a magnetic flux generated by the magnetic field forming unit.

Abstract: A linear vibrator is disclosed having a structure capable of generating a large vibratory force with a small size, outputting various types of vibrations in a wide bandwidth, and accurately coupling the magnet, the linear vibrator including: a case providing an inner space; a trembler including a yoke formed with a circular plate-shaped wing unit, a one inner lateral end-closed, cylindrical insertion unit bent from the wing unit to have a stair, an inner magnet coupled by being inserted into the insertion unit, and an external magnet coupled to one surface of the wing unit; an elastic member fixed at one end to the case and fixed at the other end to the trembler; and a stator fixed to the case to vibrate the trembler.

Abstract: A flat vibration motor for suppressing deformation of coils even in a reflow at a high temperature, having a stator structure 10 fixing a shaft 1 and having no-core coils C1 and C2; a cover case 20 covered by the stator structure 10 and supporting the other end of the shaft 1; and a rotor frame 30; wherein the stator structure 10 includes: a board 12 having a first face 12a being provided with electrode patterns E1-E3 and a second face 12b being provided with a wiring pattern to be connected to the electrode patterns and to the no-core coils; and a base frame 14 having a burring part 15a into which one end of the shaft 1 is fitted, and being sandwiched between the rotor frame 30 and the upper surfaces of the coils C1 and C2 by abutting against the coils C1 and C2.

Abstract: Disclosed is a linear vibrator, the vibrator including a case including a lower case and an upper case engaged with the lower case; a stator that is disposed on a bottom plate of the lower case and includes a coil block formed of coil wound in the horizontal direction to the bottom plate; a vibrator including a weight having a storage that is formed in a position corresponding to the coil block to store the coil block, a yoke to cover the storage of the weight, and first and second magnets that are disposed in the storage and on the coil block; and an elastic member that has one side fixed to external surfaces of the weight, the external surfaces facing each other, and the other side engaged with a side of the case facing the external surfaces of the weight, the other side facing the one side.

Abstract: An ambient energy harvesting system, and method of use thereof, includes a magnetic flux-generating assembly (28), a coil (30) positioned adjacent to the magnetic flux-generating assembly (28), and a cantilevered arm (24). Vibration of the cantilevered arm (24) enables relative movement between the magnetic flux-generating assembly (28) and the coil (30) to generate an electric current in the coil (30). An effective flexible length (L) of the cantilevered arm (24) is selected such that applied kinetic energy causes the cantilevered arm (24) to vibrate at approximately its resonant frequency.

Abstract: Disclosed herein is a linear vibrator having a mass body which is accommodated in a casing defining an internal space and is vibrated. The linear vibrator includes a bracket supporting the linear vibrator from a lower position. The bracket has a depression in a bottom thereof such that a coil lead wire of a coil is placed in the depression, thus preventing friction between the coil lead wire and a movable unit.

Abstract: The linear vibrator includes a base forming a hollow space, a suspension fixed on the base, and an oscillating portion suspended in the hollow space by the suspension. The suspension defines a flat part, a connecting portion bent downward from the flat part, and a spring portion extended horizontally in a direction parallel to flat part from the end of the connecting portion. The suspension is directly connected with the outside component, thereby transmitting the vibration to the outside component rapidly.

Abstract: A linear motor capable of attaining thinning is obtained. This linear motor (100) includes a spiral coil (141, 142, 441, 442); and a movable portion (120, 220), including a first pole face (121a) having a first polarity and a second pole face (122a) having a second polarity different from the first polarity on a surface opposed to the spiral coil, provided to be movable in a direction along the surface of the spiral coil.

Abstract: A vibration generator making a closed loop of a magnetic circuit of a permanent magnet to obtain a high vibrating force while kept small in size, including a reciprocating vibrator having a ring-shaped permanent magnet in a center hole of a ring-shaped weight, a first and second plate springs supporting this reciprocating vibrator at a recessed case and end plate to be able to elastically displace in a thickness direction spanning a first and a second end faces, a tubular toroidal coil passing through a center hole of the permanent magnet and generating a reciprocating vibrating magnetic field for reciprocatingly driving the permanent magnet in the thickness direction, and a columnar core passing through this toroidal coil, the ring-shaped permanent magnet being magnetized in the thickness direction, and the toroidal coil having a lower toroidal coil and an adjoining reversely wound series connected upper toroidal coil coaxial with the same.

Abstract: A reciprocating vibration generator making the magnetic circuit of a permanent magnet a closed loop so as to obtain a high vibration force, specifically a vibration linear actuator having a ring-shaped weight, a reciprocating vibrator having a ring-shaped permanent magnet in a center hole of the weight, a first plate spring and a second plate spring supporting this reciprocating vibrator with respect to a recessed case and an end plate to be able to elastically displace in a thickness direction between a first end face and a second end face, a tube-shaped toroidal coil running through a center hole of the ring-shaped permanent magnet and generating a reciprocating vibration magnetic field for driving the ring-shaped permanent magnet to reciprocate in the thickness direction, and a columnar core running through the inside of this toroidal coil, wherein the ring-shaped permanent magnet is magnetized in the thickness direction, and the toroidal coil has a lower stage toroidal coil and an upper stage toroidal coi

Abstract: The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. A first magnet is attached to an upper plate of the casing. The bracket is coupled to the lower end of the casing. The second magnet is attached to the bracket such that different poles of the first and second magnets face each other. The vibration unit has a weight, and a cylindrical coil which is provided in or under the weight. The springs are coupled to the sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction.

Abstract: There is provided a vertical vibrator according to an exemplary embodiment of the present invention. The vertical vibrator may include: a casing having an inner space of a predetermined size formed therein and a step portion protruded to be stepped from an upper edge thereof; a magnetic unit including a yoke disposed in the inner space of the casing and a magnet fixed by being magnetized on a closed inner surface of the yoke in a vertical direction; an elastic member including an outer ground portion fixed to the step portion and an inner ground portion fixed to the magnetic unit; and a coil for generating vibrations disposed on the lower portion of the magnetic unit and generating electromagnetic force by interaction with the magnetic unit when power is applied thereto.

Abstract: An electrical energy generator comprising a housing having a longitudinal axis and opposite ends, an electromagnetically active mass positioned within the housing reciprocally movable along at least a portion of the longitudinal axis, an electrically conductive material within the housing, a body engaged with the electromagnetically active mass, and at least one spring positioned between at least one of an end of the housing and an end of the body, or between an end of the body and the electrically conductive material.

Abstract: An electrical energy generator including a housing, an electromagnetically active mass positioned within the housing, an electrically conductive material within the housing, a body positioned within the housing wherein the body and the electromagnetically active mass move relative to each other, and at least one spring for imparting restorative forces to the electromagnetically active mass and the body.

Abstract: A method and apparatus for motional/vibrational energy harvesting are disclosed. Embodiments of the subject invention utilize the non-resonant chaotic behavior of a free-rolling magnet to generate power. In one embodiment, the magnet can be spherical, cylindrical, or elliptical. The magnet can roll about a linear, cylindrical, helical, or cage-like track. The changing magnetic flux due to the magnet rolling about the track induces current in surrounding coils. The coils can be provided around the track using a continuous winding placement, segmented winding placement, or fractional winding placement. Multiple coil phases are also possible. For embodiments utilizing multiple magnets, spacers can be used to maintain a separation between magnets.

Abstract: A linear vibrator is disclosed. The linear vibrator includes a cover, a base forming a hollow space together with the cover and defining a plurality of sidewalls, a pair of elastic members received in the hollow space, a weight with a plurality of laterals suspended in the hollow space by the elastic members, and a magnet assembly provided with a plurality of magnetic poles and accommodated in the weight. Each elastic member defines at least a fastening arm comprising a connecting portion, an inner arm extending from one end of the connecting portion for abutting against the lateral of the weight, and an outer arm extending from another end of the connecting portion for abutting against the sidewall of the base. The extending direction of the inner arm and the outer arm of each fastening arm is the same. The magnetic poles of magnet assembly near the coil are opposite to each other. A height of the linear vibrator with the structure can be reduced.

Abstract: Disclosed herein is a linear vibrator. The linear vibrator includes a stationary unit which has on an upper portion thereof a magnet generating a predetermined magnetic force and a yoke, and defines an internal space. A vibratory unit includes a coil mounted to face the magnet and applying an electric current, and a mass body. A spring is secured at a lower end thereof to the stationary unit and secured at an upper end thereof to the vibratory unit, thus elastically supporting the linear motion of the vibratory unit. A lubricating part is provided between an outer circumference of each of the magnet and the yoke and the coil, thus preventing noise and abrasion when the vibratory unit moves linearly, in addition to maintaining a vibration.

Abstract: An electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising an electrically conductive coil assembly and a magnet assembly, the magnet assembly comprising at least one magnet and a two-part magnetic core, the two parts of the core being mounted by a biasing device so as to be relatively vibratable at a resonant frequency along an axis about a central position thereby to cause a change of magnetic flux linked with the coil assembly to generate an electrical potential in the coil assembly.

Abstract: Disclosed is a linear vibrator, the linear vibrator including a substrate supplying electric power, a case including a base supporting the substrate and a cover wrapping the base, a stator fixed to either the base or the cover, a vibrator including magnets each arranged to face both sides of the stator and a weight to which the magnets are fixed, an inner spring coupled to both sides of the weight to wrap the weight, and an external spring, both end portions of which are coupled to an inner lateral surface of the case to wrap the inner spring, and a part of which is coupled to the inner spring.

Abstract: A vibration actuator includes a coil that extends in a vibration direction and has a flat shape and a magnet that extends in the vibration direction and has a flat shape, so that a case can be made flat or low profile. A weight portion is supported by a shaft, so that, when a drop impact is applied, the weight portion can move along the shaft and the weight portion is not freely moved in the case. A coil spring is disposed between a spring receiving portion and a weight portion. Therefore there is no unnecessary space in the case, so that space can be saved and the vibration actuator can be made compact.

Abstract: A linear vibration generator is disclosed. The linear vibration generator in accordance with an embodiment of the present invention includes a stationary part, which has a polygonal-prism-shaped coil and in which the polygonal-prism-shaped coil induces a magnetic field by having an electric current supplied, a vibrating part, which has a polygonal-prism-shaped magnet and in which a portion of the polygonal-prism-shaped magnet is inserted into the coil, an elastic member, which is coupled to the stationary part and elastically supports the vibrating part such that the vibrating part can move linearly, and a lubricating band, which is formed on an outer circumferential surface of the magnet.

Abstract: A flat linear vibrating motor includes a cover, a base forming a receiving cavity together with the cover, a coil fixed on the base, an elastic member coupled to the base, a vibrator suspended in the cavity by the elastic member. The elastic member includes a mounting section couple to the base, an arm extending from the mounting section, a free end extending from the arm, and a binder. The binder includes two plates for clamping the vibrator and a coupling section coupling the two plates for positioning the free end between the vibrator and the coupling section.

Abstract: A horizontal linear vibrator includes: a cover unit; a bracket providing an internal space between the cover unit and the bracket; a vibration unit including a mass body having an insertion part providing an accommodating space at one surface thereof, mounted in the internal space, and making a horizontal, linear movement; a magnetic field unit providing an electromagnetic force to allow the vibration unit to move horizontally; and one or more sub-mass units inserted in the insertion part in order to adjust a resonance frequency of the vibration unit.