"The production of too many useful things results in too many useless people."
Karl Marx
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8102228 | Core securing member and its structure [PROBLEM] By simplifying a core securing structure of a reactor, miniaturization, lightweight, and low costs of the reactor are achieved. [SOLVING MEANS] The core securing member to secure a core 109 in a case 101 in the reactor wherein the core... | 01/24/2012 |
| 8058959 | Transformer and transformer assembly A transformer includes: a bobbin on which a coil is wound; a core coupled with the bobbin to provide a magnetic flux and installed on the PCB in a penetrating manner; and a base plate electrically connected to the coil and having a lead frame connected to the PCB, w... | 11/15/2011 |
| 8035469 | Stationary induction apparatus fixing structure and fixing member The present invention provides a fixing structure and a fixing member for a stationary induction apparatus, which can easily and inexpensively be assembled with a small number of constituent elements, and which are capable of reliable fixation. A fixing portion 4... | 10/11/2011 |
| 8009005 | Reactor apparatus for a railway vehicle A reactor apparatus for a railway vehicle includes a coil assembly, a side cover, through bolts inserted into the coil assembly, cover supporting members, a pair of frames, and ribs that reinforce the pair of frames. A support/fixation section of each frame is fixed... | 08/30/2011 |
| 7969266 | Inductor Provided is an inductor capable of adjusting an inductance in dozens of nH increments without requiring a large number of components. The inductor includes: a conductor; a first core body and a second core body each having an opposed surface, the opposed surface of ... | 06/28/2011 |
| 7961070 | Inductor An inductor has a case having an opening, a core accommodated in the case, a coil wound on a part of the core and a fixing member fixed to the case. The fixing member fixes the core by contacting a top surface of the core facing the opening and elastically biasing t... | 06/14/2011 |
| 7868722 | Inductor apparatus, circuit board, and electronic device using the same An inductor apparatus including an inductor having a core formed in a loop shape to form a hollow part, and a coil winding the core, and a supporting member having a supporting surface to support the core to face the hollow part, and a vibration preventing hole form... | 01/11/2011 |
| 7834730 | Mounting device for a coil A mounting device includes a base plate for supporting an electrical coil and includes two or more legs that are substantially L-shaped. Each leg has a first end and a second end and the first end is secured to the base plate and the second end is in a direction awa... | 11/16/2010 |
| 7667563 | Transformer The present invention relates in general to the field of interface technology. Electronic components, such as modular converters for measurement control and regulation technology, in particular isolation amplifiers, are known from interface technology. Such isolatio... | 02/23/2010 |
| 7557686 | Coils for electrical machines A jig (10) is used to form a coil (50) for an electrical machine. A plurality of conductive wires (56), each covered in a heat-curable electrically insulated material, are wound around a bobbin (12). Each succeeding winding in contra-woun... | 07/07/2009 |
| 7498916 | Holder for a choke coil and an inductive component with the holder A holder holds a ring-core choke with two or more wire windings. The holder has opposing, hinged side lugs, each of which has an isolating device for isolating the wire windings. The side lugs can be fixed preferably essentially parallel to each other preferably by ... | 03/03/2009 |
| 7474187 | Base of an inductor A base of an inductor is provided. The inductor comprises an annular body, which has a hollow shaft portion and a surrounding sensing portion. The base comprises a bottom portion, a recess, and a hanging shelf. The recess is formed on the bottom portion. The hanger ... | 01/06/2009 |
| 7446637 | Parent-child leadframe type transformer A parent-child leadframe type transformer includes a ferrite core module, a child leadframe and a parent leadframe. The parent leadframe has a first opening and a second opening on both ends. The length of the second opening is greater than the length of the first o... | 11/04/2008 |
| 7392581 | Method for manufacturing a magnetic element A plate member includes a frame portion (51) provided in a state of coupling both one end portion and other end portion and mounting terminal portions (44) protruding from the one end portion and the other end portion of said frame portion (51) ... | 07/01/2008 |
| 7367610 | Method and apparatus for assembling a component to a panel A component is adapted for assembly to a panel at a desired location. The component includes a body and at least one fastener threadingly received in the body, the fastener having a head and a threaded shaft, the head extending outwardly from the body a predetermine... | 05/06/2008 |
| 7365501 | Inverter transformer An inverter transformer includes a coil unit including a bobbin and a plurality of windings, and a transformer core unit. The bobbin is formed with a core-receiving compartment, and includes first, second and third coil winding portions. The windings are wound aroun... | 04/29/2008 |
| 7358842 | Wire-winding common mode choke A wire-winding common mode choke has a body, a first coil and a second coil. The body has two channels respectively defined in two lateral sides of the body and at least two steps. Each step has a first folding end and a second folding end. The first and second coil... | 04/15/2008 |
| 7352269 | Method for making magnetic components with N-phase coupling, and related inductor structures Methods and structures for constructing a magnetic core of a coupled inductor. The method provides for constructing N-phase coupled inductors as both single and scalable magnetic structures, where N is an integer greater than 1. The method additionally describes how... | 04/01/2008 |
| 7324357 | Power supply apparatus for electric operation A power supply apparatus for electric operation is provided for an electric operation apparatus, and includes an instructing signal input portion which generates a DC output voltage to a high-frequency generating circuit that generates a high frequency and which rec... | 01/29/2008 |
| 7299537 | Method of making an integrated inductor An inductor comprises a substrate comprising a semiconductor material, a first dielectric layer over the substrate, a magnetic layer over the first dielectric layer, a second dielectric layer over the magnetic layer, and a conductor over the second dielectric layer.... | 11/27/2007 |
| 7257882 | Multilayer coil assembly and method of production Embodiments of the present invention provide a thin-film coil assembly. The coil assembly includes a substrate, at least two layers of conductive material on top of the substrate, and one layer of insulating material between the two layers of conductive material, wh... | 08/21/2007 |
| 7245876 | System and method for secure wireless connection A system and method for implementing a wireless communications link between two equipment envelopes through inductive coupling include two “U” shaped inductors. Wireless communications is achieved via mutual inductance between the two inductors. Circuitry is pro... | 07/17/2007 |
| 7236372 | Surface mounted power supply circuit apparatus and method for manufacturing it A surface mounted power supply circuit apparatus, including a circuit substrate, circuit constituting parts mounted on the circuit substrate, and a sealing member provided on the circuit substrate for covering the circuit constituting parts, at least one portion of ... | 06/26/2007 |
| 7236079 | Transformer bobbin for preventing excitation peak voltage insulation damage A transformer bobbin for preventing excitation peak voltage insulation damage that is applicable for application in cold cathode tube resonant inverters or backlight modules, wherein such transformers must frequently endure relatively high voltages, and, moreover, a... | 06/26/2007 |
| 7216419 | Method of manufacturing a high-frequency coil device In a high-frequency coil device having small dispersion in coil inductance and suitable for use in GHz band and a method of manufacturing the high-frequency coil device, a spirally-shaped fine-pitch coil is embedded in the surface of a polyimide layer as a dielectri... | 05/15/2007 |
| 7218199 | Structure of transformer A transformer includes a primary winding coil, a plurality of electrically-conductive sheets, a bobbin and a magnetic core assembly. The bobbin includes a first tube member, a second tube member and plural partition plates. The first tube member and the second tube ... | 05/15/2007 |
| 7212406 | Cooling of electrical components with split-flow closed-end devices A cooling system (11) is provided for electrical components (10, 90) in which passageways (21) are inserted in non-magnetic cores of the electrical components, and in which the passageways (21) provide both inflow and outflow of a cooling... | 05/01/2007 |
| 7211724 | Noise filter having case and core assembled therein A noise filter providing a simplified construction and capable of being used regardless of a diameter of a cable or a numbers of cables. The noise filter includes a core-holding section for holding a core, first and second cable-guiding sections, and two coupling se... | 05/01/2007 |
| 7194799 | Process for fabricating a high density multi-layer microcoil A high density multi-layer microcoil includes a substrate, a multi-layer coil winding, a magnetic core and a dry film photoresist structure. The multi-layer coil winding and the magnetic core are supported by the dry film photoresist structure. The fabrication proce... | 03/27/2007 |
| 7175297 | In-grade light fixture with leveling and alignment mechanisms, installation features and anti-condensation valve An in-grade light fixture, comprising a below grade light fixture having a light opening substantially at grade level. An optical chamber is arranged within the light fixture housing and holding a light source generating light that passes through the light opening. ... | 02/13/2007 |
| 7170381 | Method and apparatus for transferring energy in a power converter circuit A reduced cost energy transfer element for power converter circuits. In one embodiment, an energy transfer element according to an embodiment of the present invention includes a magnetic element having an external surface with at least a first winding and a second w... | 01/30/2007 |
| 7167074 | Integrated planar flyback transformer Method and apparatus are provided for fabricating a planar transformer assembly for use in an implantable medical device. The planar transformer assembly includes a board, a first core, and a second core. The board has a first side, a second side, and an embedded wi... | 01/23/2007 |
| 7161457 | Common mode choke including conductors within dielectric layer and associated methods A common mode choke may include a generally rectangular body including bottom and top ferrite portions, at least one pair of laterally spaced apart interior conductors between the bottom and top ferrite portions and extending between the first and second ends of the... | 01/09/2007 |
| 7154365 | Apparatus for fixing bobbin to printed circuit board for use in transformer An apparatus for fixing a bobbin to a printed circuit board for use in a transformer includes a receiving hole formed in the printed circuit board, a size of which is minutely larger than that of the bobbin to hold the bobbin, and a horizontal support portion formed... | 12/26/2006 |
| 7148767 | Bead type noise filter A bead type noise filter according to the present invention is constituted by a magnetic core 1 formed of Mn—Zn ferrite having its resistivity increased so as to improve a high frequency characteristic, and having its permittivity lowered, and thereby can s... | 12/12/2006 |
| 7129809 | Surface mount magnetic component assembly A planar magnetic device comprising a molded header and a planar core assembly, and a method of making a planar magnetic device. The molded header has first, second, third, and fourth sides and an aperture in the center. The first side has a plurality of terminals p... | 10/31/2006 |
| 7129808 | Core cooling for electrical components A cooling system is provided for electrical components in which cooling assemblies (11, 45) are inserted in non-magnetic cores of the electrical components, and in which tubes provide both inflow and outflow of a cooling medium. The non-magnetic cores may be ... | 10/31/2006 |
| 7091818 | Noise suppressor unit for a power source module The invention relates to a noise suppressor unit for installing a common mode choke for a noise suppressor in a power source module onto a circuit board of the power source module, the module being arranged onto a circuit board of a plug-in unit. The noise suppresso... | 08/15/2006 |
| 7091815 | Electrical device, transformer, and inductor, and method of manufacturing electrical device An adhering process of adhering a winding, after the winding is wound on the bobbin, to a bobbin entirely or partly with an adhesive tape, for the purpose of reliably fixing the winding to the bobbin, increases the manufacturing cost of a transformer. To solve this ... | 08/15/2006 |
| 7088211 | Space saving surface-mounted inductors An inductive element and corresponding method for making an inductive element for surface mounting on an adjacent structure for providing improved heat transfer characteristics. Specifically, a core and winding of the inductive element define coplanar surfaces that ... | 08/08/2006 |