Class / Patent application number | Description | Number of patent applications / Date published |
361268000 | TRANSFORMERS AND INDUCTORS WITH INTEGRAL SWITCH, CAPACITOR, OR LOCK (E.G., IGNITION COIL) | 34 |
20090251844 | Transformer Assembly and Methods of Use - A transformer assembly is described. Embodiments of the transformer assembly are adapted to facile disconnection and removal of a transformer from the transformer assembly without disconnecting metered service power lines from secondary connector blocks. Moreover, embodiments of the transformer assembly are adapted to de-energize the transformer without interrupting primary power to downstream devices, and to safely and easily park energized or de-energized connectors such as loadbreak elbows during transformer maintenance. Methods of using the transformer assembly are also described. | 10-08-2009 |
20110051308 | SWITCHABLE INDUCTOR NETWORK - Techniques for providing a switchable inductor network having configurable inductance in response to a control signal. The switchable inductor network may adopt a fully symmetric architecture to reduce the effects of parasitic elements in differential mode operation. The switchable inductor network is particularly suitable for multi-mode communications circuitry applications, e.g., in the design of a voltage-controlled oscillator (VCO) or an amplifier or buffer in such circuitry. | 03-03-2011 |
20110286143 | Powder Core Material Coupled Inductors And Associated Methods - A multi-phase coupled inductor includes a magnetic core formed of a powder magnetic material and first, second, third, and fourth terminals. The coupled inductor further includes a first winding forming at least one turn and at least partially embedded in the core and a second winding forming at least one turn and at least partially embedded in the core. The first winding is electrically coupled between the first and second terminals, and the second winding electrically is coupled between the third and fourth terminals. The second winding is at least partially physically separated from the first winding within the magnetic core. The multi-phase coupled inductor is, for example, used in a power supply. | 11-24-2011 |
20110286144 | Powder Core Material Coupled Inductors And Associated Methods - A multi-phase coupled inductor includes a powder core material magnetic core and first, second, third, and fourth terminals. The coupled inductor further includes a first winding at least partially embedded in the core and a second winding at least partially embedded in the core. The first winding is electrically coupled between the first and second terminals, and the second winding electrically is coupled between the third and fourth terminals. The second winding is at least partially physically separated from the first winding within the magnetic core. The multi-phase coupled inductor is, for example, used in a power supply. | 11-24-2011 |
20110292563 | TRANSFORMER ASSEMBLY AND METHODS OF USE - A transformer assembly is described. Embodiments of the transformer assembly are adapted to facile disconnection and removal of a transformer from the transformer assembly without disconnecting service lines from the transformer assembly. Moreover, embodiments of the transformer assembly are adapted to de-energize the transformer without interrupting primary power to downstream devices, and to safely and easily park energized or de-energized connectors such as loadbreak elbows during transformer maintenance. Methods of using the transformer assembly are also described. | 12-01-2011 |
20120063055 | Direct-current current transformer - The present invention provides a direct-current current transformer, or DCCT, yielding bandwidth from DC to several MHz. The DCCT according to this invention is a simple, open-loop, device in which flux densities occur at very low levels, avoiding difficulties occasioned by core saturation. | 03-15-2012 |
20120268858 | HIGH EFFICIENCY SWITCHING METHOD AND APPARATUS FOR DYNAMICALLY CONNECTING OR DISCONNECTING MUTUALLY COUPLED INDUCTIVE COILS - A switching apparatus allows coupled coils to be dynamically switched in or out of a circuit using small control currents. The apparatus includes at least one latching circuit, one or more control circuits and diodes. The latching circuit may have two bipolar transistors connected in a transistor latch configuration with at least two diodes, such that at least one diode may be connected in series with a base of the each bipolar transistor. The control circuits may be connected to the latch circuit for operating the bipolar transistors. The diodes may be connected in the circuit for protecting the latching and control circuits from being exposed to high voltages and currents during the turn-off or turn-on of the inductor coils. This allows overall efficiency levels to be maintained while changing the inductance of the circuit as per requirements. The circuits may be used in switch mode power supplies (SMPS). | 10-25-2012 |
20120300358 | GROUNDING SWITCH - A grounding switch is comprised of a structural frame, at least one first contact, at least one second contact, at least one spacer, and a geared drive assembly. The opening and closing of the grounding switch is controlled by the geared drive assembly. The geared drive assembly is operable to rotate the at least one second contact around the axis of a connecting rod to move the at least one second contact into and out of contact with the at least one first contact. The closing of the grounding switch first and second contacts serve to connect a transformer or other electrical device to ground potential. | 11-29-2012 |
20130010399 | TRANSFORMER WITH CONCENTRIC WINDINGS AND METHOD OF MANUFACTURE OF SAME - A transformer may include a first and a second continuous single piece multi-turn helical winding, one concentrically received by the other. The turns of the windings are electrically insulated from one another and spaced sufficiently close together to permit inductive coupling therebetween. The turns may be formed of a conductor having a rectangular cross-section, which may, or may not, include an electrically insulative sheath. The single piece multi-turn helical windings may have a continuous or smooth radius of curvature, with no discontinuities or singularities between first and second end terminals. The transformer may be formed by wrapping electrical conductor about a winding form. The transformer may be used in various electrical circuits, for example converter circuits. | 01-10-2013 |
20160254088 | EMBEDDED MAGNETIC COMPONENT TRANSFORMER | 09-01-2016 |
361269000 | With lock for preventing unauthorized use | 2 |
20100123992 | MULTI-STORAGE SYSTEM AND APPARATUS FOR PREVENTING INAPPROPRIATE REMOVAL IN MULTI-STORAGE SYSTEM AND METHOD THEREOF - An apparatus for preventing inappropriate removal in a multi-storage system and a method thereof are provided. The apparatus includes a plurality of expending trays, a plurality of security devices, and a monitor unit. Storage devices are selectively installed in the expending trays. Each security device is disposed in a corresponding expending tray, and is used for locking the storage device installed therein. The monitor unit is used for detecting whether the installed storages have a redundant reliability. If the installed storages do not have the redundant reliability, the monitor unit activates the security units to lock a part of or all of the storage devices for preventing data accessing failure caused by inappropriate removal of the storage devices. | 05-20-2010 |
20110188167 | PORTABLE TRANSFORMER WITH SAFETY INTERLOCK - A portable apparatus for voltage transformation is capable of temporarily augmenting a power transformer. A transformer with a first medium voltage primary winding, a second medium voltage primary winding and a low voltage secondary winding is selectably coupled to a plurality of medium voltage electrical power input couplings capable of temporarily coupling with medium voltage power on a plant. An interlocked switch selectably couples the medium voltage electrical power input couplings to the medium voltage primary windings of the transformer such that only one medium voltage primary winding of the transformer is coupled at a time to the medium voltage electrical power input couplings. The interlocked switch can use a captive key system to prevent more than one secondary winding from being simultaneously connected. Medium voltage circuit protection devices such as fuses are included. A low voltage circuit protection device, operatively coupled to the low voltage secondary windings, provides low voltage power. An interlocked couplings door lockably covers the medium voltage electrical power input couplings and a fuse door lockably covers the fuses such that no door can be unlocked when a medium voltage primary winding of the transformer is coupled to the medium voltage electrical power input couplings. The portable apparatus can be carried on a vehicular trailer. | 08-04-2011 |
361270000 | With capacitor element | 22 |
20080266748 | Amplification Relay Device of Electromagnetic Wave and a Radio Electric Power Conversion Apparatus Using the Above Device - The present invention provides an amplifying repeater, which is constructed in such a manner that a ferrite core is inserted into a coil with a pre-determined number of winds to increase an induced electromotive force caused by an increase in flux linkage using a time-varying magnetic field of electromagnetic waves at a position distant from various electromagnetic wave generating sources by a predetermined distance and the induction coil and a variable condenser for inducing resonance are connected to each other to increase current while reducing a resistant component existing in the induction coil to intensify and amplify the magnetic field of electromagnetic waves. Furthermore, the present invention provides a wireless power conversion charging device using the magnetic field of electromagnetic waves, which is located between an electromagnetic wave generating source transmitter and a receiving coil or attached to the transmitter and receiving coil. The wireless power conversion charging device includes a rectifying diode for rectifying an electromotive force induced in a construction in which a resonance and impedance matching variable condenser is connected to a coil in series or in parallel in order to transmit maximum induced power to a charging battery that is a load using electromagnetic waves amplified by the amplifying repeater, and a smoothing condenser for smoothing the rectified voltage. Accordingly, charging power required for various small power electronic devices can be provided and power can be supplied to various loads. | 10-30-2008 |
20080285205 | INTEGRATED INDUCTOR AND CAPACITOR COMPONENTS AND METHODS OF MANUFACTURE - An integrated inductor and capacitor component is provided and includes a number of tapered conductors. Neighboring ones of the tapered conductors are separated by a gap extending along a length of the component. A first one of the tapered conductors is characterized by a first width w | 11-20-2008 |
20090168293 | Pad in Semicondcutor Device and Fabricating Method Thereof - A pad in a semiconductor device and fabricating method thereof are disclosed. The pad includes an uppermost metal layer first to N | 07-02-2009 |
20090323251 | Capacitor - A device including a first electrical conductor, a second electrical conductor, dielectric material connecting the first and second conductors to each other, and an output or ground terminal section. The first electrical conductor has a first terminal section and a first plate section. The second electrical conductor includes a second terminal section and a second plate section. The second terminal section is connected to a first end of the second plate section. The second plate section includes a coil shaped section. The output terminal section is connected to an opposite second end of the second plate section. The dielectric material connects the first and second plate sections to each other. | 12-31-2009 |
20100067166 | RF POWDER PARTICLE, RF POWDER, AND RF POWDER-CONTAINING BASE - Provided are an RF powder particle, an RF powder, and an RF powder-containing base that can make it difficult to fabricate, for example, forged documents or forged bank notes with respect to sheet-like objects having high proprietary values, such as bank notes, and that allow necessary information to be stored in each of the large number of particles which are each provided with a tank circuit having a predetermined resonant frequency. | 03-18-2010 |
20100103585 | INDUCTIVE AND CAPACITIVE COMPONENTS INTEGRATION STRUCTURE - An inductive and capacitive components integration structure includes a magnetic core including a first and a second outer leg, and a third inner leg between the first and second outer legs, a first and a second winding respectively wound on the first and second outer legs, and a third winding wound on the third inner leg. The first and second windings are electrically coupled and comprise a first inductive winding. The first inductive winding does not generate any effective magnetic flux through the third inner leg. The third winding forms a second inductive winding. At least one of the first, second and third windings is a composite winding and comprises at least one embedded capacitor. | 04-29-2010 |
20100226064 | Trimmable Transformer Arrangement - A circuit arrangement includes a coreless transformer. A trimming device is connected to the transformer and includes a variable capacitance and/or inductance. | 09-09-2010 |
20110176251 | Amplification Relay Device Of Electromagnetic Wave And A Radio Electric Power Conversion Apparatus Using The Device - The present invention provides an amplifying repeater, which is constructed in such a manner that a ferrite core is inserted into a coil with a predetermined number of winds to increase an induced electromotive force caused by an increase in flux linkage using a time-varying magnetic field of electromagnetic waves at a position distant from various electromagnetic wave generating sources by a predetermined distance and the induction coil and a variable condenser for inducing resonance are connected to each other to increase current while reducing a resistant component existing in the induction coil to intensify and amplify the magnetic field of electromagnetic waves. Furthermore, the present invention provides a wireless power conversion charging device using the magnetic field of electromagnetic waves, which is located between an electromagnetic wave generating source transmitter and a receiving coil or attached to the transmitter and receiving coil. The wireless power conversion charging device includes a rectifying diode for rectifying an electromotive force induced in a construction in which a resonance and impedance matching variable condenser is connected to a coil in series or in parallel in order to transmit maximum induced power to a charging battery that is a load using electromagnetic waves amplified by the amplifying repeater, and a smoothing condenser for smoothing the rectified voltage. Accordingly, charging power required for various small power electronic devices can be provided and power can be supplied to various loads. | 07-21-2011 |
20120236459 | COMPOSITE ELECTRONIC COMPONENT - The present invention relates to a composite electronic component having a dielectric body portion inside of which a conductive body is provided, and a magnetic body portion inside of which a conductive body is provided. In the present invention, a layer made of a metal material is arranged between the dielectric body portion and the magnetic body portion as an intermediate layer. | 09-20-2012 |
20130182365 | INTEGRATED INDUCTORS - Multiple-inductor embodiments for use in substrates are provided herein. | 07-18-2013 |
20140029156 | POSITION POINTER OF THE ELECTROMAGNETIC INDUCTION TYPE AND ELECTRONIC INK CARTRIDGE - A position pointer is disclosed, in which an electronic ink cartridge of an electromagnetic induction type is accommodated. The electronic ink cartridge includes a resonance circuit having a coil and a capacitor circuit, and is configured to detect pressure applied to a core member accommodated in the position pointer based on a variation of a resonance frequency of the resonance circuit. The cartridge includes a tubular member, in which the core member and the coil are accommodated such that the coil is positioned between the core member, which extends outwardly from one end of the tubular member, and the capacitor circuit along a direction of a center axis of the tubular member. The cartridge also includes a connection member in the tubular member, which electrically connects a first end and a second end of the coil to a first terminal and a second terminal of the capacitor circuit, respectively. | 01-30-2014 |
20140355171 | APPARATUS AND METHODS FOR VECTOR INDUCTORS - Apparatus and methods for vector inductors are provided herein. In certain configurations, an apparatus includes a vector inductor comprising a plurality of conductors arranged in a stack and separated from one another by dielectric. The conductors are tightly coupled to one another to provide a relatively high amount of mutual inductance. For example, adjacent conductors in the stack can be mutually coupled with a coupling coefficient k that is at least 0.5, or more particularly, 0.9 or greater. In certain implementations, the conductors are electrically connected in parallel with one another to provide the vector inductor with low resistance. However, tight coupling between the conductors in the stack can result in vector inductor having an overall inductance that is similar to that of a self-inductance of an individual conductor in the stack. The Q-factor of the vector inductor can be increased by the inclusion of additional conductors in the stack. | 12-04-2014 |
20140362491 | CERAMIC ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - When firing a composite substrate structured to have stacked ceramic dielectric and ceramic magnetic layers, a glass constituent is diffused from the ceramic dielectric layer to the ceramic magnetic layer to, as a result, decrease sinterability of the ceramic dielectric layer or degrade insulation resistance characteristics thereof. When the ceramic dielectric includes 40 to 80% by weight of glass formed from 35 to 50% by weight of CaO, 0 to 20% by weight of Al | 12-11-2014 |
20150022937 | COMPOSITE ELECTRONIC COMPONENT AND BOARD HAVING THE SAME - A composite electronic component may include: a composite element in which a capacitor and an inductor are spaced apart from each other, the capacitor including a ceramic body, and the inductor including a magnetic body; a first external electrode disposed on a second end surface of the ceramic body, second external electrodes disposed on first and second side surfaces of the ceramic body, a first dummy electrode disposed on a first end surface of the ceramic body; and third and fourth external electrodes disposed on first and second end surfaces of the magnetic body. The composite element may include a first metal frame disposed on a first end surface of the composite element, a second metal frame disposed on a second end surface of the composite element, and third metal frames disposed on one or more of first and second side surfaces of the composite element. | 01-22-2015 |
20150092314 | CONNECTOR PLACEMENT FOR A SUBSTRATE INTEGRATED WITH A TOROIDAL INDUCTOR - A system includes a first connector coupled to a first surface of a substrate. The first connector enables the system to be electrically coupled to a first device external to the substrate. The system includes a second connector coupled to a second surface of the substrate. The system also includes a plurality of conductive vias extending through the substrate from the first surface to the second surface. The plurality of conductive vias surrounds the first connector and the second connector. The plurality of conductive vias is electrically coupled together to form a toroidal inductor. A first lead of the toroidal inductor is electrically coupled to the first connector. A second lead of the toroidal inductor is electrically coupled to the second connector. | 04-02-2015 |
20150116891 | COMPOSITE ELECTRONIC COMPONENT AND BOARD FOR MOUNTING THE SAME - A composite electronic component may include: a composite body including a combination of a capacitor formed of a ceramic body including a plurality of dielectric layers and first and second internal electrodes disposed to face one another with the dielectric layers interposed therebetween, and an inductor formed of a magnetic body including a coil unit; a first external electrode formed on the first lateral surface of the ceramic body and electrically connected to the first internal electrodes and a second external electrode formed on the second lateral surface of the ceramic body and electrically connected to the second internal electrodes; third and fourth external electrodes formed on first and second end surfaces of the magnetic body and connected to the coil unit, and first and second dummy electrodes formed on first and second end surfaces of the magnetic body. | 04-30-2015 |
20150296621 | LAMINATED CIRCUIT SUBSTRATE - Sheets are laminated on each other and pressure bonded with fixtures from upper and lower directions of a lamination direction while being heated to produce a laminated circuit substrate including therein a capacitor and a coil. The capacitor is defined by a first conductor pattern and a second conductor pattern that face each other across thermoplastic resin layers. In the laminated circuit substrate, the first conductor pattern includes a first principal surface, the second conductor pattern includes a second principal surface, the first principal surface faces the second conductor pattern, the second principal surface faces the first conductor pattern, and the first principal surface and the second principal surface are subject to a roughening process. | 10-15-2015 |
20150302974 | MAGNETIC-CORE THREE-DIMENSIONAL (3D) INDUCTORS AND PACKAGING INTEGRATION - A 3-dimensional (3-D) magnetic core device includes a substrate, a first magnetic shell formed on the substrate, and a first group of conductive traces embedded in a first insulator layer formed on the first magnetic shell. A magnetic core plane is formed on the first insulator layer, and a second group of conductive traces are embedded in a second insulator layer formed on the magnetic core plane. A second magnetic shell is formed on the second insulator layer, and the first and second group of conductive traces are conductively coupled by using conductive vias. | 10-22-2015 |
20150318107 | COMPACT IMPEDANCE TRANSFORMER - A compact impedance transformer is disclosed having a first dielectric substrate, a first planar conductor disposed on a top surface of the first dielectric substrate in a loop, a second planar conductor disposed on a bottom surface of the first dielectric substrate in a second loop, wherein the first planar conductor and the second planar conductor are substantially identical and in stacked alignment. A second dielectric substrate has a third planar conductor disposed on a top surface of the second dielectric substrate in a third loop, and a fourth planar conductor disposed on a bottom surface of the second dielectric substrate in a fourth loop, wherein the third planar conductor and the fourth planar conductor are substantially identical and in stacked alignment. An interconnect structure between terminals of the first planar conductor, the second planar conductor, the third planar conductor, and the fourth planar conductor provide impedance transformations. | 11-05-2015 |
20160042872 | COMPOSITE ELECTRONIC COMPONENT, BOARD HAVING THE SAME, AND PACKAGING UNIT THEREOF - A composite electronic component includes: a composite body having a capacitor and an inductor coupled to each other, the capacitor including a ceramic body in which a plurality of dielectric layers and first and second internal electrodes disposed to oppose each other with each of the dielectric layers interposed therebetween are stacked, and the inductor including a magnetic body including a coil part; an input terminal disposed on a first side surface of the composite body; an output terminal including a first output terminal disposed on a second side surface of the composite body and a second output terminal disposed on the second side surface of the composite body; and a ground terminal disposed on the first side surface of the composite body. | 02-11-2016 |
20160181010 | COMPOSITE ELECTRONIC COMPONENT | 06-23-2016 |
20160181011 | COMPOSITE ELECTRONIC COMPONENT | 06-23-2016 |