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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Application No. | Application Title | Issue Date |
| 20110257626 | CONTROLLED NEEDLE-FREE TRANSPORT A needle-free transdermal transport device for transferring a substance across a surface of a biological body includes a reservoir for storing the substance, a nozzle in fluid communication with the reservoir and a controllable electromagnetic actuator in communication ... | 10/20/2011 |
| 20100308244 | LINEAR SOLENOID AND VALVE DEVICE USING THE SAME A liner solenoid comprising: liner solenoid portion, comprising: a coil; a cylindrical movable core which is attracted toward a fixed core when the coil is energized; and a cylindrical yoke which surrounds an outer circumference surface of the movable core, wherein the ... | 12/09/2010 |
| 20100060395 | Free Air Magnetic Circuit and Speaker Disclosed is a free air magnetic circuit and speaker in which no pole piece is used. A magnet layer is located between a top plate and a back plate with a gap defined essentially in the center thereof. Into the gap, a wire coil attached to a diaphragm may be inserted. A... | 03/11/2010 |
| 20090174510 | VIBRATION DEVICE A vibration device according to an embodiment of the present invention includes upper and lower cases combined with each other to form a case, a magnetic force generating unit provided on at least one surface of the upper and lower cases, a vibrating unit including at l... | 07/09/2009 |
| 20090045896 | Electromagnetic transmission device An electromagnetic transmission device. A guide bar connects to a fixed base and includes magnetic-permeable material and a first central height plane. A coil connects to the fixed base. A support base movably fits on the guide bar. An annular magnetic member connects t... | 02/19/2009 |
| 20080238592 | TWO-AXIS DRIVING ELECTROMAGNETIC MICRO-ACTUATOR Provided is a two-axis driving electromagnetic actuator that includes a stage that is operative to be actuated about a first axis; an inner frame that that is disposed outside the stage and supports the stage by the first axis; an external frame that is disposed outside... | 10/02/2008 |
| 20080204174 | LINEAR ACTUATOR AND APPARATUS UTILIZING THE SAME A linear actuator includes a cylindrical inner yoke made of a magnetic material, a first cylindrical inner permanent magnet joined to the inner yoke, a second cylindrical inner permanent magnet joined to the inner yoke, an outer yoke made of a magnetic material, an inte... | 08/28/2008 |
| 20080191824 | Actuator An actuator includes: a base member; a first slider that is placed slidably in a first axial direction with respect to the base member; a second slider that is placed slidably in a second axial direction with respect to the base member, the second axial direction being ... | 08/14/2008 |
| 20080164963 | Magnetic Actuator TASK To improve the attenuation effect of a magnetic actuator against external disturbances. SOLUTION So that an attenuation effect owing to an electromotive force may be obtained in the magnetic actuator when a moveable part (coil support ... | 07/10/2008 |
| 20080123348 | Magnetic actuator and magnetic light-shielding apparatus A magnetic light-shielding apparatus includes a body, a light-shielding element and a magnetic actuator. The body has a light-penetrating portion, and one end of the light-shielding element is disposed pivotally on the body to form a rotation center. The light-shielding... | 05/29/2008 |
| 20080068688 | ACTUATOR, OPTICAL SCANNER, AND IMAGE FORMING APPARATUS An actuator includes a frame-shaped first mass portion; a supporting portion that supports the first mass portion and takes the shape of a frame so as to surround a perimeter of the first mass portion; a pair of first elastic portions coupling between the first mass por... | 03/20/2008 |
| 20080055027 | Actuator device for optical device and image-capture apparatus Disclosed is an actuator device for an optical device. The actuator device includes a core arranged in an optical device inside of which an optical path passes through, a coil wound around the core, and a rotational magnet formed into an approximately cylindrical shape,... | 03/06/2008 |
| 20080042790 | Linear actuator A linear actuator is disclosed. A linear actuator that includes a first magnet and a second magnet secured with a predetermined gap in-between each other, a vibration magnet part interposed between the first magnet and the second magnet which is magnetized to repulse bo... | 02/21/2008 |
| 20080042789 | MIRROR ACTUATING DEVICE FOR PROJECTION SYSTEMS A magnetic actuator utilizes a single magnet and two voice coils to rotate a mirror between two angular positions with respect to a rest state. A magnetic field assembly applies magnetic flux across the voice coils. An upper plate and a lower plate are held together by ... | 02/21/2008 |
| 20080007376 | Micro electro mechanical system device A micro electro mechanical system (MEMS) device is provided. The MEMS device includes: a stage which operates in a vibration mode; an axle which supports the stage and allows rotation of the stage; and a capacitive sensor which detects rotation of the stage. The capacit... | 01/10/2008 |
| 20070096855 | Electromagnetic driver In an electromagnetic driver according to the invention, electromagnetic units are arranged in the axial direction of a shaft, and a power supply change-over device is so formed that, when an attractive magnetic field arises between the coil unit and the magnetic unit o... | 05/03/2007 |
| 20060097583 | Electromechanical transducers A drive assembly for a loudspeaker comprises a permanent magnet (42) and pole pieces (44a, 44b, 44c, 44d, 4e, 44f, 44g, 44h, 46a, 46 | 05/11/2006 |
| 20060044096 | Electromagnetic actuator and composite electromagnetic actuator apparatus An electromagnetic actuator with high performance such as high speed and high resolution is inexpensively provided with solutions to problems associated with power supply and leakage flux, which have been involved in the structure of a moving coil type and have been sho... | 03/02/2006 |
| 20050104699 | Electrical device comprising a controlled piezoelectric actuator An electric switching device of which each power pole includes a movable bridge equipped with at least one movable contact that co-operates with at least one fixed contact of the pole between open and closed positions. The switching device includes at least one approach... | 05/19/2005 |
