Magnets And Electromagnets Patents (Class 335/209)
  • Patent number: 9708925
    Abstract: A centrifugal compressor for a turbocharger includes an inlet-adjustment mechanism in an air inlet for the compressor, operable to move between an open position and a closed position in the air inlet. The inlet-adjustment mechanism includes a variable-geometry orifice actuated by a rotatable actuator ring. In the closed position, the orifice's inner diameter is smaller than that of a shroud surface of the compressor housing and therefore dictates the effective inlet diameter for the compressor. In the open position the orifice no longer forms an inner diameter smaller than the shroud surface, so that the effective inlet diameter is determined by the shroud surface.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: July 18, 2017
    Assignee: Honeywell International Inc.
    Inventors: Hani Mohtar, Pascal Villemin, Stephane Pees, William Joseph Smith, Aurelien Tingaud, Lionel Toussaint
  • Patent number: 9694709
    Abstract: A safe hovering skate board unit capable of being driven by a user is disclosed. The hovering skateboard includes a first board to receive the user, one or more first magnetic source, configured with the first board, to emit magnetic field, a second board magnetically coupled with the first board, one or more second magnetic source configured with the second board to repel the magnetic field and facilitate the first board to hover over the second board. Further, the unit includes the ground engaging wheels attached to the second board moves in the direction driven by the user. Furthermore, the unit may include a specialized safety system for ensuring safety of the user by controlling one or more components corresponding to the hovering skateboard unit based on one or more factors corresponding to the user. Further, a corresponding method of operating the hovering skate board unit is also disclosed.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: July 4, 2017
    Inventor: Ron Konchitsky
  • Patent number: 9597978
    Abstract: A hovering skate board unit capable of driven by a user is disclosed. The hovering skateboard includes a first board to receive the user, one or more first magnetic source, a second board magnetically coupled with the first board, one or more second magnetic source and at least one ground engaging wheel. The first magnetic source is configured with the first board to emit magnetic field. The one or more second magnetic source is configured with the second board to repel the magnetic field emitted from the one or more first magnetic source and further facilitates the first board to hover over the second board. The ground engaging wheels attached to the second board moves in the direction driven by the user. Further, a corresponding method of operating the hovering skate board unit is also disclosed.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: March 21, 2017
    Inventor: Ron Konchitsky
  • Patent number: 9093214
    Abstract: Embodiments of magnetorheological systems, devices, and associated methods of control are described below are described herein. In one embodiment, a magnetorheological device includes an magnetorheological fluid, a shaft proximate and mechanically coupled to the magnetorheological fluid, and a magnetic field generator configured to generate a magnetic flux through the magnetorheological fluid along a magnetic flux path. The magnetorheological device also includes a sensor positioned in the magnetic flux path and configured to measure a current value of magnetic inductance of the magnetic flux flowing through the magnetorheological fluid.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: July 28, 2015
    Assignee: Washington State University
    Inventors: Hakan Gurocak, Doruk Senkal, Berk Gonenc
  • Patent number: 9024487
    Abstract: Levitation devices and associated systems and methods are disclosed herein. A system configured in accordance with a particular embodiment includes an array of magnetic elements that have differently oriented magnetic fields and an inductive component. The inductive component provides a levitation force by magnetic communication with the magnetic fields of the array of magnetic elements. The inductive component includes an array of inductive elements, with individual inductive elements having a looped circuit that provides the levitation force. The inductive component also includes one or more switch element that controls current flow in one or more of the looped circuits responsive to translational motion between the inductive component and the array of magnetic elements.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: May 5, 2015
    Assignee: Eagle Eye Research, Inc.
    Inventor: John H. Reif
  • Publication number: 20150014158
    Abstract: Provided is a magnetic field generation apparatus including: two or more main magnetic pole portions configured to generate a main magnetic field; one or more secondary magnetic pole portions including a plurality of first divisional magnets obtained by a division, that generate a secondary magnetic field for adjusting the generated main magnetic field; and a yoke portion including one or more first yokes opposing the plurality of first divisional magnets in correspondence with the one or more secondary magnetic pole portions.
    Type: Application
    Filed: June 30, 2014
    Publication date: January 15, 2015
    Inventors: Jun Sasaki, Atsuhiro Abe, Ryoichi Hiratsuka
  • Publication number: 20140301415
    Abstract: Various embodiments of undulators, methods of fabricating undulators, and systems incorporating undulators are described. Certain embodiments provide a compact, electromagnetic undulator. The undulator may comprise a substrate and one or more electromagnets, which may be formed on the substrate. Certain embodiments have a period not greater than about 5 mm. The undulator may be operatively coupled with a particle accelerator to provide a free electron laser system.
    Type: Application
    Filed: November 9, 2012
    Publication date: October 9, 2014
    Inventors: Jere Harrison, Abhijeet Joshi
  • Patent number: 8736202
    Abstract: In a drive control circuit of a linear vibration motor, the drive signal generating unit generates a drive signal whose phase is opposite to that of the drive signal generated during the motor running, after the running of the linear vibration motor has terminated; this drive signal of opposite phase includes a high impedance period during which the driver unit is controlled to a high impedance state. An induced voltage detector detects an induced voltage occurring in the coil. A comparator has a function as a hysteresis comparator in which the output level does not vary in a predetermined dead band, and the comparator outputs a high-level signal or a low-level signal during the high impedance period. When an in-phase signal is consecutively outputted from the comparator during the consecutive high-impedance periods, the drive signal generating unit determines that the linear vibration motor has come to a stop.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: May 27, 2014
    Assignee: Semiconductor Components Industries, LLC
    Inventor: Tsutomu Murata
  • Patent number: 8712706
    Abstract: A method for shimming a magnetic field is disclosed. The method uses a single shim current to contribute to suppression of more than one geometrical component of an inhomogeneity in the magnetic field without changing the geometry of the shim path. Apparatuses to implement the method are also disclosed. In embodiments the apparatuses comprise substantially commonly oriented shim paths.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: April 29, 2014
    Assignee: Nanalysis Corp.
    Inventors: Garett M. Leskowitz, Gregory McFeetors, Sebastien Pernecker
  • Publication number: 20140002217
    Abstract: A solenoid device includes a magnet armature and an armature counterpiece which is arranged at the end of the magnet armature. The magnet armature and the armature counterpiece are movable in relation to one another and an air gap is provided between a magnet armature end face and an armature counterpiece end face. The air gap creates a magnetic series path of the solenoid device. A disc is composed of a magnetizable material and is arranged in the air gap. The disc is configured to make physical contact with the magnetic armature end face and the armature counterpiece end face at least in regions. A magnetic shunt path is present when the magnetic armature and the armature counterpiece are in at least one position relative to one another. The magnetic shunt path runs across the disc at least in regions. The series path has a lower reluctance than the shunt path which runs across the disc when the magnet armature and the armature counterpiece are in the at least one position relative to one another.
    Type: Application
    Filed: August 29, 2011
    Publication date: January 2, 2014
    Applicant: Robert Bosch GmbH
    Inventor: Wolf Stahr
  • Publication number: 20130278364
    Abstract: An apparatus including an electromagnetic coil and a magnet system. The electromagnetic coil includes electrical leads. The magnet system forms electrical conductors connected to the electrical leads of the coil. The magnet system is configured to provide an electrical interface.
    Type: Application
    Filed: April 18, 2012
    Publication date: October 24, 2013
    Inventor: Thomas Benedict Slotte
  • Patent number: 8477003
    Abstract: An apparatus may deliver multi-vibrational electromagnetic (MVEM) fields which are independent but may work simultaneously. The MVEM fields may be used in many applications, including eliminating calcium build-up in pipes, reducing soap usage in laundry, reducing salt usage in water softeners, reducing chlorine use in pools, inhibiting algae growth, increasing water clarity, restructuring or inhibiting nitrates, restructuring or inhibiting tannins, restructuring or inhibiting calcium salts and other minerals, treating pain, treating inflammation, enhancing after-surgery healing, and improving circulation in treated areas of animals and humans. The apparatus may be formed from a plurality of wire-wrapped rods connected to a power supply. The plurality of rods may be incased in flexible foam and wrapped in a fabric outer covering.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: July 2, 2013
    Inventors: Gary Dean Wilson, Michael Dean Brown
  • Publication number: 20130161262
    Abstract: The current invention provides a novel process for the treatment and reclamation of drilling frac flowback and produced wastewater from the drilling industry. The wastewater is delivered to the EMC/F System from a frac tank or other reservoir. The wastewater is pumped into the system and is treated sequentially by passing through a mechanical hydrocavitation unit, an electromagnetic unit, an electrocoagulation unit and/or a hydrocyclone and a flocculation-sedimentation tank. Polishing of the final effluent is accomplished by passing the water through a mixed media tank.
    Type: Application
    Filed: December 18, 2012
    Publication date: June 27, 2013
    Inventor: Donald E. Henley
  • Publication number: 20130113297
    Abstract: There are provided a magnetic coupling unit and a magnetic coupling system which are capable of reducing energy loss when operations using magnetic coupling between magnetic devices are performed. The magnetic coupling unit includes: one or more magnetic devices each capable of being magnetically coupled with other magnetic device in other unit; and one or more coupling reinforcing sections each reinforcing the magnetic coupling.
    Type: Application
    Filed: October 26, 2012
    Publication date: May 9, 2013
    Applicant: SONY CORPORATION
    Inventor: SONY CORPORATION
  • Patent number: 8390271
    Abstract: The present invention relates to magnetic anchorage equipment comprising a frame able to contain a plurality of polar units, each of the plurality of polar units having a ferromagnetic polar element which identifies an anchorage surface and a self-testing unit for checking the magnetic equipment. The magnetic anchorage equipment is characterized in that the self-testing unit for checking the magnetic equipment is at least partly integrated in the frame.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: March 5, 2013
    Assignees: Tecnomagnete S.p.A., Politecnico di Milano
    Inventors: Michele Cardone, Giovanni Cosmai, Roberto Faranda, Antonino Giglio
  • Patent number: 8378312
    Abstract: A variety of systems, apparatus and methods for deflecting a particle beam are described. An apparatus comprises at least six electromagnetic portions disposed on a plane. Each of the at least six electromagnetic portions is aligned with a radius emanating from an axis normal to the plane and is distanced from the axis to form a volume about the axis. At least six coils are configured for affecting a dipole magnetic field in the volume in response to electrical currents applied to physically opposing coils where a particle beam entering the volume is deflected. Each of the at least six coils is disposed about a one of the at least six electromagnetic portions. A yoke structure is configured for returning a generated magnetic flux.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: February 19, 2013
    Assignee: Pyramid Technical Consultants, Inc.
    Inventors: John Gordon, Raymond Paul Boisseau, Andrew Dart
  • Patent number: 8316861
    Abstract: A magnetic force control system for guiding a medical instrument within a body includes: a controlled magnet coupled to the medical instrument; a controller magnet that exerts a magnetic force on the controlled magnet; a magnetically permeable shield, placed between the controlled magnet and the controller magnet, that selectively modulates the magnetic force by rerouting magnetic field lines; and a control system. A method for guiding a medical instrument within a body with magnetic force control includes: providing a controlled magnet coupled to the medical instrument, inserting the controlled magnet and medical instrument into the body, providing a controller magnet outside the body, placing a magnetically permeable shield between the controlled magnet and the controller magnet, applying magnetic force, and selectively modulating the magnetic force with the shield to vary at least one of amplitude and orientation of the magnetic force, thereby guiding the controlled magnet within the body.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: November 27, 2012
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Reuben Brewer, J. Kenneth Salisbury, Jr., Kevin E. Loewke, David B Camarillo
  • Publication number: 20120286520
    Abstract: A magnet assembly includes a base element and a magnet attached to a first surface of the base element. A second surface of the base element opposite to the first surface of the base element includes a contour, which is adapted to engage with a complementary contour of a support structure of a rotor arrangement. In an example embodiment, the contour and/or the complementary contour is funned in a dove tail manner.
    Type: Application
    Filed: January 11, 2011
    Publication date: November 15, 2012
    Inventor: James Kenneth Booth
  • Publication number: 20120259154
    Abstract: The invention is a nano-entity conjugate for use in an in vivo immunomagnetic hyperthermia system for the detection and treatment of any cell or virus having a target surface receptor which encompasses a technology platform that can be used for both real-time monitoring of any cell or virus having a target surface receptor and as a delivery platform for certain types of treatment that are conducive for in vivo applications. The system allows of cell or virus enumeration; cell or virus capture; and cell or virus removal from the patient's circulatory system in-vivo using immunomagnetic hyperthermia. The application of immunomagnetic hyperthermia may actually diminish and eventually stop the progression of cancer and other blood borne or blood affected diseases.
    Type: Application
    Filed: April 5, 2011
    Publication date: October 11, 2012
    Applicant: IVDiagnostics, Inc.
    Inventors: Bin Hong, Brian Markey
  • Publication number: 20120229995
    Abstract: A solenoid for use with a fuel injector, the solenoid comprising a housing able to be attached to an injector; a core able to be located within the housing; a coil able to be located within the core; and an electrical cable electrically connected to the coil wherein at least the coil and the electrical cable connection to the coil is encapsulated by encapsulant.
    Type: Application
    Filed: August 10, 2010
    Publication date: September 13, 2012
    Inventor: Alan Chapman
  • Publication number: 20120225784
    Abstract: Embodiments of a high temperature electromagnetic coil assembly are provided, as are embodiments of a method for fabricating such a high temperature electromagnetic coil assembly. In one embodiment, the method includes the steps of applying a high thermal expansion ceramic coating over an anodized aluminum wire, coiling the coated anodized aluminum wire around a support structure, and curing the high thermal expansion ceramic coating after coiling to produce an electrically insulative, high thermal expansion ceramic body in which the coiled anodized aluminum wire is embedded.
    Type: Application
    Filed: March 2, 2011
    Publication date: September 6, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: James Piascik, Eric Passman, Reza Oboodi, Robert Franconi, Richard Fox, Gary J Seminara, Gene Holden, Jacob Harding
  • Patent number: 8244118
    Abstract: A control system for an underwater camera housing, including a pin assembly within the housing wall. The pin has a clamp ring and a set of O-rings at an end of the pin. The pin is received into a well in the housing. A spring is received into a bushing also positioned within the well, with the pin inserted into the center of the spring, and the spring compressed against the seat of the bushing by the clamp ring. The pin is depress-able to contact a control button of the housed camera. The control system additionally includes a knob rotatably attached to the housing's exterior. The knob has a boss magnet to move a worker magnet positioned on the housing's interior. The knob is rotatable to move the boss magnet, and so move the worker magnet, to control functions of the housed camera.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 14, 2012
    Inventor: Gregg M. Stansbury
  • Publication number: 20120154078
    Abstract: The invention refers to a solenoid, comprising a coil and a connection region for a current source. At least one conducting pin is arranged at the connection region. The pin is connected by a welding joint with the coil connector. The coil connector is connected to the coil. The pin can be positioned by a positioning piece slid on the pin.
    Type: Application
    Filed: December 19, 2011
    Publication date: June 21, 2012
    Applicant: SVM SCHULTZ VERWALTUNGS-GMBH & CO.KG
    Inventor: Claus-Peter Hasel
  • Publication number: 20120139675
    Abstract: Embodiments of the present invention provide an apparatus, comprising a field emission source having polarities and positions in accordance with a code, a plurality of connected coils adapted to move proximate to said field emission source and having positions in accordance with said code, and wherein an electrical pulse is created when said field emission source is aligned with said plurality of connected coils according to said code.
    Type: Application
    Filed: February 10, 2012
    Publication date: June 7, 2012
    Applicant: Correlated Magnetics Research, LLC
    Inventors: Larry W. Fullerton, Mark D. Roberts
  • Publication number: 20120133818
    Abstract: The actuator disclosed herein comprises a coil, a magnet and a magnetism detection element. The magnet is configured to move a predetermined distance relative to the coil via a magnetic force generated when current is passed through the coil. The magnet includes a first polarization line perpendicular to the direction in which the magnet moves relative to the coil, and a second polarization line parallel to the first polarization line. The magnetism detection element is configured to detect the position of the magnet. The coil faces the first polarization line and the magnetism detection element faces the second polarization line. The length from the second polarization line to a first end of the magnet is equal to or more than 1.25 times the predetermined distance. The first end of the magnet is closer to the magnetism detection element than to the coil.
    Type: Application
    Filed: February 8, 2011
    Publication date: May 31, 2012
    Applicant: Panasonic Corporation
    Inventors: Kenichi MIYAMORI, Makoto UMEDA
  • Patent number: 8188820
    Abstract: Displacement encoder for a moving shaft, comprising a sleeve intended to be fitted onto the shaft and at least one permanent magnet forming at least one polarized magnetic mark. An elastomer layer lies between the permanent magnet and the sleeve. This elastomer layer is adhesively bonded to the permanent magnet and to the sleeve. The invention also relates to a device for a moving shaft comprising such an encoder and to the method of manufacturing the encoder.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: May 29, 2012
    Assignee: Hutchinson S.A.
    Inventor: Bernard Branchereau
  • Publication number: 20120126919
    Abstract: A haptic feedback system includes movable and static portions coupled by one or more magnetic fields that serve to retard movement of the movable portion with respect to the static portion so as to provide haptic feedback when the movable portion is moved relative to the static portion. A magnet associated with one of the movable and static portions reacts with structure associated with the other of the movable and static portions so as to provide haptic feedback when the movable portion is moved with respect to the static portion.
    Type: Application
    Filed: January 30, 2012
    Publication date: May 24, 2012
    Applicant: TOUCHSENSOR TECHNOLOGIES, LLC
    Inventors: John North, Deron Stambaugh
  • Patent number: 8138874
    Abstract: A nanomagnetic flip-flop, or register. The nanomagnetic register receives a signal from an input signal nanomagnet on a first clock cycle, and provides the input to an output signal nanomagnet on a second clock cycle. The input signal nanomagnet and the output signal nanomagnet are arranged on a substrate. Each of the signal nanomagnets has an easy axis and a hard axis that are substantially in a signal plane. A register nanomagnet is arranged on the substrate between the input signal nanomagnet and the output signal nanomagnet. The register nanomagnet has an easy axis and a hard axis that are substantially in a register plane. The register plane is not coplanar with the signal plane.
    Type: Grant
    Filed: July 20, 2009
    Date of Patent: March 20, 2012
    Assignee: The Regents of the University of California
    Inventors: David Carlton, Nathan C. Emley, Jeffrey Bokor
  • Patent number: 8134441
    Abstract: A method and system for propagating signals along a line of nanomagnets. Nanomagnets having an easy axis and a hard axis are provided a biaxial anisotropy term, which increases metastability along the hard axis. The nanomagnets are forced into hard-axis alignment. A magnetization direction of a first nanomagnet is caused to cant upward. Dipole coupling interactions between the first nanomagnet and an adjacent nanomagnet cause a magnetization direction of the adjacent nanomagnet to cant downward in an anti-parallel alignment. This cascade continues reliably along the line of nanomagnets. The biaxial anisotropy term provides additional stability along the hard axis to ensure the nanomagnets do not prematurely align along the easy axis. Various logic gates using nanomagnets, stabilizer nanomagnets, destabilizer nanomagnets, and magnetic diodes are also disclosed.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: March 13, 2012
    Assignee: The Regents of the University of California
    Inventors: Jeffrey Bokor, Nathan C. Emley, David Carlton
  • Publication number: 20110266436
    Abstract: An electromagnetic field generator includes a semiconductive material shaped to form a complex electromagnetic field including a magnetic field and an electric field. An instrument includes a passage configured such that charged particle may travel therein, and a semiconductive material configured to form a complex electromagnetic field that is configured to control motion of the charged particles within the passage. Another instrument includes a housing defining a chamber, and an electromagnetic field generator within the chamber that comprises a material configured to form an electric field component of an electromagnetic field, and a material configured to form a magnetic field component of the electromagnetic field. A method of controlling motion of charged particles includes controlling motion of at least one charged particle by forming a complex electromagnetic field with a semiconductive material that is shaped to form the complex electromagnetic field.
    Type: Application
    Filed: April 28, 2011
    Publication date: November 3, 2011
    Applicant: Battelle Energy Alliance, LLC
    Inventors: Jill R. Scott, Timothy R. McJunkin, Paul L. Tremblay
  • Publication number: 20110260815
    Abstract: Vibrational apparatus capable of providing a vibrational output, said apparatus comprising or including an assembly having a shuttle capable of shuttling between complementary structures, at least one of which complementary structures provides the vibrational output, the arrangement being characterised in that there is a drive to rotate the shuttle and there are magnetic interactions between the rotating shuttle and the complementary structures such that interactions with each complementary structure, and the phasing of the complementary structures relative to the shuttle, alternating magnetic results in the shuttling movement of the shuttle.
    Type: Application
    Filed: April 28, 2011
    Publication date: October 27, 2011
    Inventor: Roger Pfahlert
  • Publication number: 20110260814
    Abstract: Disclosed is a device for generating a uniform magnetic field and to an optimization method for magnetic fields in a sample space, the method providing specifications for producing such a device. The device comprises at least one field coil for generating the magnetic field and the turns of the field coil are continuously wound around the sample space and the turn diameter of the field coil changes continuously at least in a portion of the field coil along the longitudinal axis of the sample space. To this end, the correction of non-uniformities in the magnetic field caused by the finite length of the field coil is distributed over the entire field coil. In this way, the device can be implemented more easily and precisely than with the correction coils used according to the prior art for correcting non-uniformities.
    Type: Application
    Filed: November 30, 2009
    Publication date: October 27, 2011
    Applicants: RHEINISCHE FRIEDRICH-WILHELMS-UNIVERSITÄT BONN, FORSCHUNGSZENTRUM JÜLICH GMBH
    Inventors: Andrea Raccanelli, Rolf Krause
  • Patent number: 8013696
    Abstract: The present invention provides for a magnetic apparatus and a method of manufacturing the magnetic apparatus including a magnet having an outer surface and an inner surface opposing each other with the inner surface having a first portion and a second portion integrally connected to and facing each other and utilizing a fluid and a fixture body defining a hole along a fixture axis and a deflector disposed within the hole. The method includes the steps of installing the magnet on the fixture body and securing the magnet to the fixture body. The method further includes the steps of flowing the fluid through the magnet transverse to the fixture axis to form at least one aperture and intersecting the fluid with the deflector to redirect the fluid generally along the fixture axis.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: September 6, 2011
    Inventors: Raghunath P. Khetan, Mohammad S. Islam, Matt Mielke, Brian J. Magnus, Tomy Sebastian, Charmaine Wittig, William D. Glumm, Joe Koscielecki
  • Patent number: 7952455
    Abstract: A magnetic device having a housing with a front wall. A first magnet assembly includes a north and south pole and a second magnet assembly also includes a north and south pole. The magnet assemblies are pivotally mounted in the housing and pivotal between a first position in which the north pole of the first magnet assembly and the south pole of the second magnet assembly face each other and are positioned adjacent the front wall of the housing, and a second position in which the north pole of the first magnet assembly and the south pole of the second magnet assembly face each other and are retracted from the front wall. An actuator pivots the magnet assemblies between their first and second positions while a spring urges the magnet assemblies toward the second position.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: May 31, 2011
    Inventor: Allan D. Crawshaw
  • Patent number: 7868529
    Abstract: The present invention discloses a magnetic light, having a magnetic energy generator, and a light body having at least a through slot for penetrating the energy generator, the magnetic energy generator includes a pair of detachable magnetic members jointed together with a face to face manner for defining a magnetic air gap between two magnetic members, as a result, the magnetic field center could be accurately positioned, wherein one of the magnetic members is adapted to penetrate the through slot to be coupled with the remaining magnetic member. In short, such magnetic light has a simpler structure, and solid cost saving, and more importantly prone to be manufactured with an industrial scale.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: January 11, 2011
    Inventor: Jin Li
  • Publication number: 20100322460
    Abstract: [Problem] To provide a magnetic circuit whose size and thickness can be reduced, and which can generate a high sound pressure by a simple structure. [Means for Resolution] A magnetic circuit of the present invention includes a horizontal coil wound in a horizontal direction, and an unitary magnet opposed face-to-face to the horizontal coil, wherein the magnet has a first polarity portion and a second polarity portion located adjacent to the first polarity portion. The first polarity portion and the second polarity portion are magnetized mutually in an opposite direction in a direction of a center axis of the horizontal coil, and the second polarity portion is arranged between one area of the first polarity portion and other area of the first polarity portion in a horizontal plane of the magnet.
    Type: Application
    Filed: January 16, 2009
    Publication date: December 23, 2010
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Masahiko Miyazaki, Shinji Murakami
  • Publication number: 20100315184
    Abstract: A mounting structure of a magnetic member at least comprising: a magnetic member; and a magnetic coupling member provided with an adhesion securing portion configured to secure adhesive strength when bonded to the magnetic member.
    Type: Application
    Filed: April 16, 2010
    Publication date: December 16, 2010
    Applicant: Sanyo Electric Co., Ltd.
    Inventors: Shunichi Morimoto, Kenichi Imai
  • Patent number: 7834726
    Abstract: A small balancer coil for cold-cathode florescent lamps having sufficient shunt/balance effects, comprises a discharge lamp, a conductor located close to the discharge lamp, and two coils whose magnetic fluxes face each other. The magnetic fluxes generated in the coils face and cancel each other. Lamp currents of the discharge lamps are balanced by making the sum of the reactances of the mutual inductance of the balancer coil larger than the negative resistance of the discharge lamp. Section winding is applied to each coil of the balancer coil so as to maintain shunt and balance effects even in a small/flat balancer coil by making self-resonance frequency of each of the coils higher.
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: November 16, 2010
    Assignees: Hong-Fei Chen
    Inventor: Masakazu Ushijima
  • Patent number: 7825658
    Abstract: A magnetic device includes: a magnetoresistive effect element having a magnetization fixed layer, a magnetization free layer, and a nonmagnetic layer sandwiched between the magnetization fixed layer and the magnetization free layer; an input terminal for feeding an AC signal to the magnetoresistive effect element in its stacking direction; and an output terminal for extracting an output voltage from the magnetoresistive effect element, wherein the nomagnetic layer includes an insulating layer portion comprising an insulating material, and a current-constricting layer portion comprising a conductive material which passes through the insulating layer portion in its film thickness direction.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: November 2, 2010
    Assignee: TDK Corporation
    Inventors: Keiji Koga, Yuji Kakinuma, Daisuke Miyauchi
  • Patent number: 7800288
    Abstract: The present invention discloses a magnetic light, having a magnetic energy generator for supporting a light body penetrated through therein, the magnetic energy generator includes a pair of detachable members jointed together with a face to face manner, wherein each of the magnetic members has at least an indented groove define onto a facing side at an aligned position for supporting the light body, such that when such two magnetic members approach with each other, the correspondingly mated indented grooves will combine to clamp the light body therebetween and to from a magnetic air gap between two magnetic members for communicating seperated the indented grooves,accordingly, an insulated bakelite frame provided onto the magnetic air gap for winding up an electromagnetic wire.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: September 21, 2010
    Inventor: Jin Li
  • Publication number: 20100215414
    Abstract: The fixing device includes: a fixing member that includes a conductive layer capable of heating by electromagnetic induction; a magnetic field generating member that generates an alternate-current magnetic field intersecting with the conductive layer of the fixing member; plural magnetic path forming members that form a magnetic path of the alternate-current magnetic field generated by the magnetic field generating member; a support member that supports the magnetic field generating member; an elastic support member that is arranged between the magnetic field generating member and the plural magnetic path forming members so as to be in contact with the plural magnetic path forming members; and a pressing member that presses the plural magnetic path forming members toward the magnetic field generating member.
    Type: Application
    Filed: September 11, 2009
    Publication date: August 26, 2010
    Inventors: Takayuki Uchiyama, Motoi NOYA, Masakatsu EDA, Kiyoshi IWAI, Shuji YOSHIKAWA, Nobuyoshi KOMATSU, Makoto OMATA, Tsuyoshi SUNOHARA, Kazuyoshi ITOH, Motofumi BABA, Shigehiko HASEBA, Eiichiro TOKUHIRO
  • Patent number: 7755060
    Abstract: There is disclosed a multipole lens that can be machined with improved accuracy. A method of fabricating this lens is also disclosed. The multipole lens has a blank material from which polar elements will be fabricated. The blank material is sandwiched vertically between two layers of film-like insulator. The blank material and the two layers of film-like insulator are sandwiched vertically between an upper ring and a lower ring. These members are provided with injection holes for injecting a curing agent. The injection holes of these members are aligned. The curing agent is injected into the holes and cured. Then, the blank material is machined by electric discharge machining to form the polar elements.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: July 13, 2010
    Assignee: JEOL Ltd.
    Inventor: Eiji Kawai
  • Publication number: 20100163061
    Abstract: A permanent magnet in which the magnetization direction varies with location to optimize or restrict a magnetic field property in a selected direction at a selected point. The magnetic field property may be, for example, the transverse magnetic field, axial magnetic field, axial gradient of the transverse magnetic field, transverse gradient of the transverse magnetic field, axis gradient of the axial magnetic field, transverse gradient of the axial magnetic field, the product of the transverse magnetic field and the transverse gradient of the transverse magnetic field, the product of the transverse magnetic field and the axial gradient of the transverse magnetic field, the product of the axial magnetic field and the transverse gradient of the axial magnetic field, or the product of the axial magnetic field and the axial gradient of the axial magnetic field.
    Type: Application
    Filed: September 28, 2009
    Publication date: July 1, 2010
    Inventor: Francis M. Creighton
  • Patent number: 7671712
    Abstract: The invention disclosed is a method of levitating one or both ends of an object permanently or temporarily, or altering the distance between two objects or the momentum of an object by manipulating the direction of the magnetic field of a permanent or electromagnet.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: March 2, 2010
    Assignee: Ellihay Corp
    Inventors: Todd S. Elliott, William F. Hayhurst
  • Patent number: 7667600
    Abstract: A security device, according to various aspects of the present invention, detects removal of the device from a provided surface. The security device includes a body; at least one magnet coupled to the body; and a sensor coupled to the body proximate to at least one of the at least one magnet. The sensor does not move with respect to the at least one magnet. The at least one magnet magnetically couples the body to the surface. Each one magnet provides a magnetic flux. When the body couples to the surface, at least a portion of the magnetic flux conducts away from the sensor. When the body is not coupled to the surface, at least a portion of the magnetic flux from at least one magnet of the at least one magnet conducts through the sensor thereby indicating removal of the body from the surface.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: February 23, 2010
    Assignee: Roc2Loc, Inc.
    Inventors: Brian Woodbury, John Spenik, Roc Lastinger
  • Publication number: 20100038187
    Abstract: An exemplary electromagnetic coupling device includes an electromagnet and a vane member that is selectively magnetically coupled with the electromagnet. A non-magnetic slider layer is supported on one of the electromagnet or the vane member such that the slider layer is between the electromagnet and the vane member. The slider layer maintains a spacing between the electromagnet and the vane member. In a disclosed example, the electromagnetic coupling device is used for coupling an elevator car door to a hoistway door for moving the doors in unison between open and closed positions.
    Type: Application
    Filed: March 23, 2007
    Publication date: February 18, 2010
    Inventors: Jacek F. Gieras, Peng Wang, Lisa A. Prill, Pei-Yuan Peng, Bryan Slewert, Robert H. Dold
  • Publication number: 20090295517
    Abstract: An expandable energy storage for portable electronic devices is disclosed. The expandable energy storage includes magnetic-capacitor (MCAP) energy storage sticks and a controller. The MCAP energy storage sticks are arranged in parallel and provide electrical power to a portable electronic device. Each MCAP energy storage stick has a positive terminal, a negative terminal, and a controlling terminal for coupling with the portable electronic device. The controller couples the controlling terminals of the MCAP energy storage sticks to a system data terminal.
    Type: Application
    Filed: May 29, 2008
    Publication date: December 3, 2009
    Applicant: NORTHERN LIGHTS SEMICONDUCTOR CORP.
    Inventors: James Chyi Lai, Kai Chun Fong
  • Publication number: 20090289749
    Abstract: First and second components may be precisely attached to form an apparatus. In an example embodiment, a first component includes a first field emission structure, and a second component includes a second field emission structure. The first and second components are adapted to be attached to each other with the first field emission structure in proximity to the second field emission structure such that the first and second field emission structures have a predetermined alignment with respect to each other. Each of the first and second field emission structures include multiple field emission sources having positions and polarities relating to a predefined spatial force function that corresponds to the predetermined alignment of the first and second field emission structures within a field domain. The first and second field emission structures are configured responsive to at least one precision criterion to enable a precision attachment.
    Type: Application
    Filed: July 21, 2009
    Publication date: November 26, 2009
    Applicant: Cedar Ridge Research, LLC.
    Inventors: Larry W. Fullerton, Mark D. Roberts, Mitchell Williams
  • Publication number: 20090268388
    Abstract: A portable electronic device (100) includes a base (50), a cover (10) and a sliding mechanism (30). The cover is slidably mounted on the base via the sliding mechanism. The sliding mechanism includes a static member (31) fixed on the base, a sliding member (35) slidably mounted on the static member and fixed on the cover, and a linear motor (36) configured for driving the sliding member to slide on the static member. When the static member is electrified, the sliding member is floated by a magnetic repulsive power formed between the static member and the sliding member to slide on the static member without friction.
    Type: Application
    Filed: July 16, 2008
    Publication date: October 29, 2009
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventors: CHING-SEN TSAI, MEI-TSU TSAO
  • Patent number: 7602270
    Abstract: An actuating magnet is disclosed comprising an actuating means (2) for exerting a tensile or pressure force on a target element that is to be moved, switched, or latched or unlatched, and comprising a latching means for latching the actuating means (2) in a desired position, the latching means having a locking magnet (11) for locking and unlocking the actuating means (2).
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: October 13, 2009
    Assignee: Voith Turbo Scharfenbach GmbH & Co. KG
    Inventor: Reiner Krause