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| Number | Title | Issue Date |
| 8188623 | Linear vibration motor Disclosed herein is a linear vibration motor. The motor includes a casing surrounding the top and widthwise side of the motor, and a bracket surrounding the bottom and lengthwise side of the motor. A plate is provided on an inner surface of a side of the bracket and... | 05/29/2012 |
| 8188622 | Tunable resonant frequency kinetic energy harvester An energy harvester comprising: a substrate; two magnets coupled to the substrate in close proximity to each other with like magnetic poles facing each other creating a flux gap; a coil coupled to the substrate and disposed within the flux gap, wherein the coil and ... | 05/29/2012 |
| 8138639 | Linear vibrator Disclosed herein is a linear vibrator. The linear vibrator includes a casing defining an internal space. A vibratory unit is accommodated in the casing to vibrate up and down. A spring is mounted at an upper circumferential end thereof to an upper surface of the cas... | 03/20/2012 |
| 8129870 | Asymmetric folded spring flexure suspension system for reciprocating devices An asymmetric folded spring flexure suspension system can enable an ultra-compact linear reciprocative device wherein a reciprocative mass suspended from a base by a single folded flexure assembly extends in a single generally radial direction perpendicular to the i... | 03/06/2012 |
| 8120214 | Linear vibrator with improved damping function 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 a... | 02/21/2012 |
| 8115350 | Oscillation type electromagnetic power generator and method for manufacturing oscillation type electromagnetic power generator A specific condition for enhancing the power generation efficiency of an oscillation type electromagnetic power generator is disclosed. Solenoid coils constituting the oscillation type electromagnetic power generator are wound in directions opposite to each other wi... | 02/14/2012 |
| 8097988 | Horizontal linear vibrator 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... | 01/17/2012 |
| 8093767 | Linear-resonant vibration module Various embodiments of the present invention comprise linear-resonant vibration modules that can be incorporated in a wide variety of appliances, devices, and systems to provide vibrational forces. The vibrational forces are produced by linear oscillation of a weigh... | 01/10/2012 |
| 8049375 | Electromagnetic transducer apparatus An electromagnetic transducer apparatus (10) includes a core (30, 31) providing a pair of yokes (34, 35) between which there is an air gap (38, 39), at least one coil (32) disposed about the core (30, 31), an armature (14... | 11/01/2011 |
| 8049374 | Mover assembly of reciprocating motor A mover assembly of a reciprocating motor includes: a mover body disposed at a gap between an inner stator and an outer stator; permanent magnets fixed at an outer circumferential surface of the mover body and reciprocally moved together with the mover body in a dir... | 11/01/2011 |
| 8030806 | Lens driving motor and elastic member of the same Provided are a lens driving motor and an elastic member of the lens driving motor. The elastic member of a lens driving motor, the elastic member includes a first spring and a second spring. The second spring is different from the first spring and disposed together ... | 10/04/2011 |
| 8030805 | Microsystem comprising a bending beam and process of manufacture A mechanical micro system comprising a flexible bending beam extending along a direction, and at least one magnetic element for creating a magnetic field. The flexible beam includes: a first circuit having a first topology for generating, in response to one current ... | 10/04/2011 |
| 8026640 | Electric machine having a rotary and a linear actuator The invention relates to an electric machine which comprises a first machine part (30), comprising a stator element (31) and a rotor element (32) and being configured as a rotary actuator which interacts with a rotary movement of the rotor eleme... | 09/27/2011 |
| 8004124 | Vibration generation module capable of generating inertial and impact vibrations Disclosed herein is a vibration generation module capable of generating inertial and impact vibrations. The vibration generation module includes a magnetic force generation unit, an elastic force provision unit, a permanent magnet, a contactor, and an impact transmi... | 08/23/2011 |
| 7999421 | Horizontal linear vibrator 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... | 08/16/2011 |
| 7994661 | Dual linear electrodynamic system and method An exemplary description provided for patent searches includes a linear electrodynamic system involving conversions between electrical power and mechanical motion uses unique magnet assemblies that move and unique stator assemblies and stator members shaped and orie... | 08/09/2011 |
| 7982345 | Displacement type generator A displacement type generator including a magnet set and a coil set is provided. The magnet set includes a magnet with unidirectional magnetization and a first multi-polar magnetic structure, wherein the first multi-polar magnetic structure is disposed on the magnet... | 07/19/2011 |
| 7965000 | Vibratory linear actuator A vibratory linear actuator includes a stator with a magnetic pole surface, a movable member with a magnetic pole surface, an electromagnet arranged in one of the stator and the movable member, a permanent magnet arranged in the other of the stator and the movable m... | 06/21/2011 |
| 7960875 | Vibration generator There is provided a small-sized vibration generator that resonates at two different frequencies. A movable base is housed inside a case. The movable base has an installation plate, and supporting plates bent at right angles from both ends of the installation plate. ... | 06/14/2011 |
| 7936097 | Electromagnetic propulsion system An electromechanical propulsion system is disclosed. The propulsion system uses magnetic propulsion and magnetic bearings to move a vehicle. The propulsion system is well suited for use on land, air, space, above water and underwater vehicles. The propulsion system ... | 05/03/2011 |
| 7932648 | Lens driving motor and elastic member of the same Provided are a lens driving motor and an elastic member of the lens driving motor. The elastic member of a lens driving motor, the elastic member includes a first spring and a second spring. The second spring is different from the first spring and disposed together ... | 04/26/2011 |
| 7932647 | Electromagnetic reciprocating fluid apparatus An electromagnetic reciprocating fluid apparatus includes a magnetic circuit device in which magnetic pole members project inward from an annular magnetic circuit member so as to oppose each other. The magnetic pole members and the annular magnetic circuit member ha... | 04/26/2011 |
| 7915767 | Linear synchronous motor A linear synchronous motor, in which one or more intermediate annular magnetic pole portions and yoke assemblies can be connected easily while positioning the intermediate annular magnetic pole portions. A fitting concave portion that is opened in an axial direction... | 03/29/2011 |
| 7906876 | Linear synchronous motor A first pair of connected portions of one end magnetic pole portion, a first pair of connected portions of an end bracket, a first pair of connected portions of the other end magnetic pole portion, and a first pair of connected portions of each of five magnetic pole... | 03/15/2011 |
| 7906877 | Linear motor device and machine tool having the same mounted thereon The present invention provides a linear motor device that can reduce a variation in thrust caused by a variation in attractive force. The linear motor device includes a linear motor 1 and a control section 30 that controls the linear motor 1. Th... | 03/15/2011 |
| 7898119 | Planar motor and stage using the same A planar motor includes a movable body and a stator configured to drive the movable body in a plane. The stator includes a first stator unit and a second stator unit. The movable body is moved in a first direction by a force acting between the movable body and the f... | 03/01/2011 |
| 7880346 | Electrical generation apparatus and process Apparati and methods for generating electricity which comprise in one embodiment a pair of stationary magnets oriented so that their like poles are facing one another with a space between them, and having a stationary length of wire disposed in the space between sai... | 02/01/2011 |
| 7859142 | Woodworking machine with linear direct drive The aim of the invention is to provide a robust, simple woodworking machine. To achieve this, the invention provides a machine comprising at least one linear direct drive, which contains a primary part (3, 3a, 3b, 4, 4a, ... | 12/28/2010 |
| 7859144 | Low frequency electromagnetic motor to create or cancel a low frequency vibration Electromagnetic motor with a piston that moves linearly with respect to the stator in either direction. Embodiments include a piston internal or external the stator. The piston includes one or more magnetic flux producing elements in all embodiments, with some embod... | 12/28/2010 |
| 7812483 | Vibratory linear actuator A vibratory linear actuator includes a stator with a magnetic pole surface, a movable member with a magnetic pole surface, an electromagnet arranged in one of the stator and the movable member, a permanent magnet arranged in the other of the stator and the movable m... | 10/12/2010 |
| 7812482 | Rod-type linear motor By reviewing a material of a forcer housing and an assembly structure of a coil member with respect to the forcer housing, a thrust force is increased, an optimum shape can be easily given to the forcer housing depending on a purpose of use, and a linear motor can b... | 10/12/2010 |
| 7795763 | Electromagnetic device for converting mechanical vibrational energy into electrical energy An electromagnetic generator comprising two magnets and a coil disposed therebetween, the two magnets being configured to define therebetween a region of magnetic flux in which the coil is disposed whereby relative movement between the coil and the magnets generates... | 09/14/2010 |
| 7768159 | Linear motor and machine tool having the same mounted thereon The present invention provides a linear motor 1 that can prevent a magnet member 2 from falling down when a power supply is turned off. A linear motor 1 includes a magnet member 2 composed of permanent magnets having alternately arranged ... | 08/03/2010 |
| 7750514 | Stator of reciprocating motor Disclosed is a stator of reciprocating motor comprising: a stator including two lamination assemblies formed accordingly as a plurality of lamination sheets are stacked as a cylindrical shape or a circular are shape; and a mover inserted into an air gap between said... | 07/06/2010 |
| 7687943 | Electricity generating wheel system An system and apparatus for capturing electricity comprised of: a wheel and a fixed conducting rod, both in electrical contact with the wheel and at least one electrical component or system in which the wheel is rotatable about an axis. The wheel is comprised of: a ... | 03/30/2010 |
| 7687944 | Actuation system for personal care appliance using linear actuators The personal care appliance drive system includes a pair of linear actuators capable of operating both in an opposing phase mode or in a parallel (in-phase) mode. The system includes a motion converter assembly which converts the opposing phase action of the two lin... | 03/30/2010 |
| 7671491 | Moving coil type linear actuator system A moving coil type linear actuator system which can stably and linearly control a relatively large load despite using relatively low electric force applied to a coil unit, thus enhancing control accuracy and preventing energy loss. ... | 03/02/2010 |
| 7671493 | Vibration assembly, input device using the vibration assembly, and electronic equipment using the input device A vibration assembly includes a container, a vibration member containing a hollow portion with a bottom, at least two support members, a magnetic body, a coil having a spool axis, and a diaphragm that is attached to the container. Each of the support members has a f... | 03/02/2010 |
| 7671492 | Repelling magnetic field engine A repelling magnetic field engine. An illustrative embodiment of the engine includes a cylinder, a piston reciprocally mounted in the cylinder and emitting a static magnetic field, a magnet assembly provided in the cylinder and emitting a dynamic magnetic field havi... | 03/02/2010 |
| 7659642 | Stator fixing apparatus of reciprocating compressor A stator fixing apparatus of a reciprocating compressor comprises a first frame on which a plurality of first core blocks, each comprising a plurality of laminated stator core sheets, are radially coupled, the plurality of first core blocks being coupled to one side... | 02/09/2010 |
