| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 336115000 | RELATIVELY MOVABLE COILS | 27 |
| 20090237194 | APPARATUS, A SYSTEM AND A METHOD FOR ENABLING ELECTROMAGNETIC ENERGY TRANSFER - The apparatus | 09-24-2009 |
| 20100253457 | METHOD FOR CONTROLLING MOVABLE INDUCTOR BY USING MAGNETISM AND DEVICE THEREOF - A movable inductor using magnetism is provided. The movable inductor includes a substrate; a first structure layer disposed on the substrate, and having two protruding portions respectively disposed at two sides thereof; at least two fixing elements disposed on the substrate, and connected with the protruding portions; and a thermal bonding layer at least disposed on the fixing elements. | 10-07-2010 |
| 20130069748 | Multi-Layer-Multi-Turn Structure for High Efficiency Wireless Communication - A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. | 03-21-2013 |
| 20130069749 | System Comprising a Multi-Layer-Multi-Turn Structure for High Efficiency Wireless Communication - A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. | 03-21-2013 |
| 20130069750 | System Using Multi-Layer Wire Structure for High Efficiency Wireless Communication - A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. | 03-21-2013 |
| 20130120093 | Downhole Inductive Coupler Assemblies - An inductive coupler assembly for use in a downhole environment and related methods are described. An example indicative coupler assembly includes a first inductive coupler having first and second magnetically coupled coils and a second inductive coupler having third and fourth magnetically coupled coils. The first and third coils are coupled to a first pair of signal lines and the second and fourth coils are coupled to a second pair of signal lines. The first inductive coupler is to magnetically convey a differential communications signal between the first and second pairs of signal lines, and the second inductive coupler is to magnetically convey a common mode power signal between the first and second pairs of signal lines. | 05-16-2013 |
| 20130127573 | COMMUNICATION TERMINAL APPARATUS AND ANTENNA DEVICE - An antenna device which includes a coil conductor and a booster conductor. The coil conductor is defined by wound loop-shaped conductors and includes a first opening at a winding center and two ends connected to a feeding circuit. The booster conductor includes a coupling conductor portion and a frame-shaped radiation conductor portion. The coupling conductor portion includes a second opening overlapped at least partially by the first opening, is split in a portion thereof by a slit, and is electromagnetically coupled to the coil conductor. The frame-shaped radiation conductor portion includes a third opening and is connected to the coupling conductor portion. | 05-23-2013 |
| 20150009000 | MAGNETIC FIELD GENERATION APPARATUS HAVING PLANAR STRUCTURE - A magnetic field generation apparatus includes a plurality of coplanar inductors disposed to form a planar structure, wherein each of the coplanar inductors is configured to generate a magnetic field having a basis vector that is orthogonal to a basis vector of a magnetic field generated by another one of the coplanar inductors. | 01-08-2015 |
| 336116000 | With means to change coil length and/or connections | 1 |
| 20100079229 | PLANAR TRANSFORMER AND METHOD OF MANUFACTURING - A planar transformer includes first and second windings that may be comprised of electrically conductive traces etched onto one or more printed circuit boards. The printed circuit boards may be arranged in various orientations so as to change the turns ratio of the planar transformer. In one embodiment, the printed circuit boards are substantially similar and may be electrically connected via connectors that separate the circuit boards. Insulating sleeves may be inserted between the printed circuit boards in an interleaved configuration. | 04-01-2010 |
| 336117000 | With core | 16 |
| 336118000 | Relatively movable core and coils | 1 |
| 20120313741 | Data Transmission Apparatus Comprising a Helically Wound Conductor - In one aspect of the present invention, an inductive coupling comprises an inner and outer casing. The inner casing comprises an inner trough formed into an exterior surface with an inner electrical conductor disposed within the inner trough. The outer casing comprises an outer trough formed into the interior surface with an outer electrical conductor disposed within the outer trough. The outer casing is configured to encircle the inner casing such that the inner electrical conductor is in magnetic communication with the outer electrical conductor. A helical geometry is formed in at least one of the inner or outer troughs. The inner and outer casings are configured to move relative to each other. | 12-13-2012 |
| 336119000 | Coil and core movable as a unit | 15 |
| 20100134229 | TRANSMISSION-LINE TRANSFORMER AND AMPLIFIER UNIT HAVING THE SAME - A transmission-line transformer which includes a core composed of a magnetic substance, and a transmission line, wherein the core includes a body having the transmission line wound therearound, and a movable unit which can move relative to the body in keeping contact therewith, wherein the transmission-line transformer is provided on a substrate, at least a portion of the movable unit (a head, for example) is located on the opposite side of the substrate, while placing the body in between, and the movable unit is moved relative to the body, by an operation effected to at least the portion (the head, for example). | 06-03-2010 |
| 20130314188 | Magnetic Structure for Large Air Gap - New and Useful magnetic structures are provided. One feature of the magnetic structures is that they are configured to help minimize the air gap reluctance, improving the magnetic structure's coupling coefficient. Another feature is that reducing the windings AC impedance of a magnetic structure is produced by shielding the winding under ears formed of magnetic material. Still another feature is that leakage inductance of a magnetic structure is reduced, by making ears with cuts which converge toward the magnetic rods that are used in the formation of the structure. | 11-28-2013 |
| 20140333402 | CONNECTOR BETWEEN TWO APPARATUSES FOR FOOD PRODUCTION - A connector for data transmission at an interface between two apparatuses for food production, such as meat and sausage production, having a first connecting element connected to the first apparatus and being at least one first data transmission part, a second connecting element connected to the second apparatus and being at least one second data transmission part, the first data transmission part being galvanically isolated from the second data transmission part such that data transmission from the first connecting element to the second connecting element is effected in a galvanically isolated manner. | 11-13-2014 |
| 20160203906 | Inductive Rotary Transmitter | 07-14-2016 |
| 336120000 | Angularly movable | 11 |
| 20080204182 | System for Contactless Energy Transmission - System for contactless energy transmission includes a primary side winding and a secondary side winding that is rotatable relative to the primary side winding, a coil core being provided on the primary side winding, whose sectional view in at least one sectional plane containing the axis of rotation is formed as a U shape or C shape around the winding region of the primary side winding. | 08-28-2008 |
| 20080211614 | Inductive Rotary Transfer Device - There is described a device for the contactless transfer of energy and data. Said device comprises a primary coil assembly, which is located in a fixed manner on a first support and a secondary coil assembly, which is located in a fixed manner on a second support, the first and second supports being rotatable in relation to one another and the primary and secondary coil assemblies having a respective energy coil for the inductive transfer of electric energy. To achieve a least possible interference of the data transfer caused by the energy transfer, the primary and secondary coil assemblies comprise at least one respective data coil for an inductive data transfer and at least one data winging of said data coil surrounds at least one energy winding of the energy coil in such a way that a first section of the data winding is wound in the wound direction of the energy coil and a second section of the data winding is wound in the opposite direction to the wound direction of said energy coil. | 09-04-2008 |
| 20090295523 | Rotating Transformer - The transformer ensures the transmission of electrical power by electromagnetic induction between the first ( | 12-03-2009 |
| 20110018667 | TRANSPONDER SYSTEM - The invention relates to a transponder system for the contactless inductive power transmission of a stationary part having at least one read coil ( | 01-27-2011 |
| 20110050377 | ROTARY TRANSFORMER - A system for high power transmission on an installation comprising a first part ( | 03-03-2011 |
| 20120133468 | HIGH VOLTAGE ELECTRO INDUCTIVE SWIVEL - Power swivel for transmitting electrical power from a first terminal to a second terminal, includes a central part with a hub and an outer ring of a magnetic material, coaxial with and surrounding the hub, the outer ring and central part being rotatable relative to one another around a vertical axis, at least two radial arms of a magnetic material projecting from the hub or from the outer ring, adjacent arms being spaced-apart, each arm carrying a conductor wound around the arm to form a coil for generating a magnetic flux along a radial flux path through the arm, the conductors being connected to the first terminal, wherein the outer ring or the hub has a cylindrical surface at close proximity to free ends of the arms, a plurality of axially extending conductors being distributed along the circumference of the outer ring or hub at or near the cylindrical surface. | 05-31-2012 |
| 20120280777 | EASILY INSTALLED ROTARY TRANSFORMER - A rotary transformer configured to be installed about a rotatably movable shaft, the rotary transformer including, an annular inner core and an annular outer core for transmitting electrical energy via electromagnetic induction between the inner core and the outer core, which are coaxially mounted such that an inner surface of the outer core is capable of rotating opposite an outer surface of the inner core, wherein the inner core consists of a plurality of inner-core disjointed portions, which are assembled together by a first attachment, and wherein the outer core consists of a plurality of outer-core disjointed portions which are assembled together by a second attachment. | 11-08-2012 |
| 20130187740 | Rotating Power Transformer - Rotating power transformer having stationary and rotating parts. At least one of these parts includes a plurality of transformer segments preferably made of plastic material. Rectangularly shaped soft magnetic cores are held within the transformer segments together with at least one winding located in the soft magnetic cores, thereby facilitating simple and efficient assembly of the rotating power transformer. | 07-25-2013 |
| 20140340185 | Rotary Connection for Electric Power Transmission - A rotor is rotatable on an axis within a stator. The rotor and stator each have facing coupled magnetic fields formed by electric coils positioned to produce axial force and radial magnetic filed. Stacked laminations are positioned to extend along the length of the rotor axis and the planes of the laminations lie parallel to the axis. There are several lamination packs arranged around both the rotor and the stator so as to shape the inter-engaging magnetic fields for maximum coupling across the rotor/stator airgap with minimum eddy current losses in the laminations. In this way, electric power is transmitted across a rotating coupling without rubbing or other wear contact to provide a long life. | 11-20-2014 |
| 20150116067 | THREE PHASE ROTARY TRANSFORMER WITH FREE LINKED FLUXES - A rotary three-phase transformer with free linked fluxes including a first portion and a second portion that are movable in rotation relative to each other about an axis A. A first body defines a first annular slot of axis A, a second annular slot of axis A, a third annular slot of axis A, and a fourth annular slot of axis A. The coils of the first portion include a first toroidal coil of axis A in the first slot, a second toroidal coil of axis A in the second slot, a third toroidal coil of axis A in the second slot, a fourth toroidal coil of axis A in the third slot, a fifth toroidal coil of axis A in the third slot, and a sixth toroidal coil of axis A in the fourth slot. | 04-30-2015 |
| 20160181013 | INDUCTIVE ROTARY JOINT WITH U-SHAPED FERRITE CORES | 06-23-2016 |
| 336122000 | Angularly movable | 2 |
| 336123000 | About axis parallel to or coaxial with the other coil axis | 2 |
| 20110221555 | ELECTRICAL ASSEMBLY AND METHOD FOR MAKING THE SAME - An electrical assembly for use with a rotary transformer is provided. The electrical assembly includes a assembly structure having a first flange positioned proximate a first end portion of the assembly structure and a second flange positioned proximate a second end portion of the assembly structure. The electrical assembly further includes at least one lamella coupled to the assembly structure. The at least one lamella extends from the first flange to the second flange. | 09-15-2011 |
| 20140145811 | TRANSFORMER INCLUDING A CONTACTLESS SIGNAL CONNECTION - An improved transformer for use in a power tool, wherein the power tool includes a stationary body and a shaft which is movable relative to the body. The transformer includes a stator which is fixed relative to the body, and at least one stator winding. The transformer also includes a rotor which is movable with the shaft, and at least one rotor winding. A magnetic field is shared by the at least one stator and rotor windings, and is used for creating a contactless signal connection between the body and an at least one sensor of the shaft. The stator and the rotor are arranged in a mutual geometrical relationship such that the contactless signal connection is provided for different positions in both an axial direction and a rotational direction of the shaft. | 05-29-2014 |
