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| Number | Title | Issue Date |
| 8130060 | Electric circuit In a circuit arrangement (1) for detuning a resonant circuit formed of an inductively acting electric circuit (14) and a capacitively acting discharging device (15), a detuning device (16) is arranged at least partially in series to the d... | 03/06/2012 |
| 8120445 | Planar EMI filter comprising coreless spiral planar windings An EMI filter for use between a power source and an electronic product is formed of at least one planar element including a pair of opposed coreless spiral planar windings, and a planar capacitor. This enables the integration of common mode and differential mode fil... | 02/21/2012 |
| 8098115 | Noise eliminating wire harness There is provided a noise eliminating wire harness capable of enhancing a noise elimination performance. In the wire harness 31, an intermediate portion of a sheath 34 of a wire 33 is removed to expose a conductor 35, thereby forming a co... | 01/17/2012 |
| 8067999 | Electrical waveform adjuster An electrical waveform adjuster capable of adjusting various voltage waveforms supplied to an electric apparatus to improve an operation capability of the electric apparatus, and to provide an electrical waveform adjuster capable of mitigating physical harmful effec... | 11/29/2011 |
| 8026777 | Energy conditioner structures Disclosed are energy conditioner structures, method of making and using them wherein the structure comprises a sequence of conductive layers including a first A layer, a G layer, and a first B layer; wherein said first A layer, said G layer, and said first B layer a... | 09/27/2011 |
| 8013691 | Device and connecting method for connecting power-supply terminals to a power-supply bus based on noise intensities One end of a power-supply bus is connected to a power supply through a ferrite bead. The power-supply bus is connected to power-supply terminals. The power-supply terminals are connected at positions in such a manner that a terminal with a higher intensity is connec... | 09/06/2011 |
| 7994876 | Lightweight electromagnetic interference filter A low pass filter includes a differential mode filter and a common mode filter. The common mode portion of the filter includes at least one inductor and one capacitor, as well as a damping circuit with at least one capacitor. The low pass filter has a reduced weight... | 08/09/2011 |
| 7956704 | Loaded parallel stub common mode filter for differential lines carrying high rate digital signals The present invention provides a novel structure that can be used to filter certain selected frequencies of common mode signals. The structure comprises a stub connected in parallel to a transmission line with termination at the end. It is suitable for implementatio... | 06/07/2011 |
| 7944326 | EMC filter An EMC active filter capable to maintain a low earth leakage current at all times, thus being compatible with RCD devices. The filter of the invention has an especially simple inductor's structure, where typically the power conductors pass straight through the filte... | 05/17/2011 |
| 7714683 | Inductance device, filter device comprising the same, and noise filter comprising the same An inductance device comprises a magnetic core, a coil a conductor and a dielectric member. The coil is made of turns of insulated conductive wire. The conductor is distinct from the coil and is insulated from the magnetic core. The dielectric member is disposed bet... | 05/11/2010 |
| 7659797 | Low-leakage EMC filter EMC filter, connectable between a supply network and an electric operated appliance to reduce conduction noise between said supply network and said appliance, comprising one voltage regulator having an output terminal whose potential is kept close to the earth poten... | 02/09/2010 |
| 7561008 | Filter package A filter package includes a pair of spaced circuit boards; a magnetic core between the circuit boards; a plurality of windings on the core extending to at least one of the boards; and a plurality of conductor bars mechanically fastening and electrically interconnect... | 07/14/2009 |
| 7557676 | Signal transmission circuit, electronic device, cable, and connector A signal transmission circuit has first to fourth inductors, and first and second varistors. The first and second inductors are magnetically coupled to each other. The first varistor is connected to ground and located posterior to the first inductor and is electrica... | 07/07/2009 |
| 7528680 | Electrical filter An electrical filter has at least four terminals, two inductances and two capacitors. The first inductance is connected between the first terminal and the second terminal, and a second inductance is connected between the third terminal and the fourth terminal. The f... | 05/05/2009 |
| 7459996 | Stable filter and method for forming the same A filter comprises a receptacle including a positive terminal pin, a negative terminal pin and a ground terminal pin; a filter box installed at one side of the receptacle; the filter box being installed with electric elements; a filter cover serving to seal theses e... | 12/02/2008 |
| 7453331 | Polyphase line filter A polyphase line filter includes a first filter branch between a first filter input and a first filter output, the first filter branch comprising a series connection of at least two inductances wound onto different legs of a multi-leg filter core, and a second filte... | 11/18/2008 |
| 7453330 | Line filter A line filter has a filter unit, which has an input and an output and also a current-compensated choke and a capacitance network. The choke has several phase windings on a common core. Each phase winding is connected in series with a phase conductor. The capacitance... | 11/18/2008 |
| 7423490 | Wideband high frequency chokes An n-stage RF choke comprises a series connection of two or more inductors connected in series between a source and a load. The inductor closest to the source has the largest inductance and the inductance closest to the load has the smallest inductance. The inductan... | 09/09/2008 |
| 7403403 | Noise suppressor A noise suppressor capable of preventing degradation in an attenuation characteristic by a parasitic component so as to obtain a favorable attenuation characteristic is provided. The noise suppressor includes a first winding wire disposed on a first current-carrying... | 07/22/2008 |
| 7397322 | Radiation noise suppression circuit for differential transmission line A radiation noise suppression circuit for a differential transmission line includes a differential transmission line which has plus line signal wiring to which a plus line signal of a differential signal is applied, and minus line signal wiring to which a minus line... | 07/08/2008 |
| 7385466 | Differential transmission circuit and common mode choke coil A first transmission line for transmitting a first signal and a second transmission line for transmitting a second signal, which has the reverse phase of the first signal, are connected in series with a common mode choke coil. A third transmission line and fourth tr... | 06/10/2008 |
| 7382216 | Noise filter mounting structure A noise filter includes a capacitor having a hot side input terminal, a hot side output terminal, a ground side input terminal, and a ground side output terminal. A circuit board includes a hot side input electrode connected to the hot side input terminal, a hot sid... | 06/03/2008 |
| 7378900 | EMI filter EMI filter 20 includes input terminal Vin, output terminal Vout, resistor component R1 and diodes D1 and D2. Resistor component R1 is composed of polycrystalline resistor component Rp and ring resistor components R11 and R | 05/27/2008 |
| 7362162 | Line filter The invention is directed to a network filter that comprises at least one phase input and a protective conductor in which each phase input is connected via a filter inductance to a corresponding phase output, in which the input side of each filter inductance is conn... | 04/22/2008 |
| 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 |
| 7352594 | Stage for rectifying a three-phase current The rectification stage (18) having: an autotransformer (40) for twelve-phase rectification; two rectifiers (50A, 50B) each of which is connected at the input to three separate phases of... | 04/01/2008 |
| 7348862 | Modular connector with suppression of conducted and radiated emissions An RJ 45 connector for unshielded CAT5 cable has electromagnetic-interference-suppression circuitry to meet the Class B conducted and radiated emissions standard. The connector comprises, in addition to signal-conditioning transformers, a current-blocking ferrite an... | 03/25/2008 |
| 7342316 | Cross-fill pattern for metal fill levels, power supply filtering, and analog circuit shielding A cross-fill metal fill pattern technique is provided such that portions of a metal fill pattern are patterned to accomplish a secondary function. For instance, in the exemplary embodiments, ever other trace or line of interdigitated fingers is routed to a ground, w... | 03/11/2008 |
| 7336904 | Electro-magnetic interference reduction filter for an optical transceiver An optical transmit circuit that includes an electro-optic transducer driver and an electro-magnetic interference (“EMI”) reduction filter. The EMI reduction filter is coupled to an output terminal of the electro-optic transducer driver. This allows the EMI redu... | 02/26/2008 |
| 7331698 | Illumination device and medical imaging and examination device having an illumination device An illumination device (1,10,20,41) for illuminating an examination room (33) of an imaging medical examination device (31) has illuminants (7,21,55), which emit light when energized and can be electrically connected to a power source via... | 02/19/2008 |
| 7327035 | System and method for providing a low frequency filter pole Systems are provided for producing a low frequency filter pole. A first bond pad is coupled to a power source. A second bond pad is inductively connected to the first bond pad by a first bond wire. A capacitor is connected to the second bond pad. A third bond pad is... | 02/05/2008 |
| 7322410 | Controllable production well packer An apparatus and method for operating an electrically powered device in a packer using the piping structure of the well as an electrical conductor for providing power and/or communications. The electrically powered device may comprise an electrically controllable va... | 01/29/2008 |
| 7315226 | Strip line device, printed wiring board mounting member, circuit board, semiconductor package, and method of forming same Electromagnetic waves leaking from a power distribution circuit provided on a printed wiring substrate or in a semiconductor package are suppressed, and degradation of the waveform of a signal generated by a high-speed digital circuit. A strip line device comprises ... | 01/01/2008 |
| 7295086 | Dielectric component array with failsafe link The invention includes an electromagnetic filter for a feedthrough conductor, and a method of making such a filter. At least two dielectric components are supported from a first side of a substrate, such as a housing or a printed circuit board. At least one of the d... | 11/13/2007 |
| 7292091 | Method and apparatus for reducing interference A method and apparatus is provided for reducing interference in circuits. A management strategy is provided to reduce reference spurs and interference in circuits. The management strategy uses a combination of one or more techniques which reduce the digital current,... | 11/06/2007 |
| 7289006 | Method and apparatus for implementing common mode cable noise suppression for medium range frequencies A method, apparatus, and a localized in-line cable filter system are provided for implementing electromagnetic cable noise suppression. The localized in-line cable filter system includes at least one electromagnetic interference (EMI) filter element connected betwee... | 10/30/2007 |
| 7278124 | Design method for semiconductor integrated circuit suppressing power supply noise An impedance of a power supply wire is calculated based on design data of a semiconductor integrated circuit, a frequency characteristic of the calculated impedance is obtained, and a design of the semiconductor integrated circuit is changed based on the obtained fr... | 10/02/2007 |
| 7267584 | RJ-45 socket module and internal circuitry An RJ-45 socket module has a socket chassis, a circuit board, a transformer, a pin assembly, multiple lighting units, a base and a chassis cover. The circuit board is mounted in the socket chassis and has multiple through holes, printed circuit, multiple resistors, ... | 09/11/2007 |
| 7259651 | Energy storage coil An energy storage coil comprises a core having an electrical conductor wound thereabout in a plurality of turns. The turns define a main zone and at least one first auxiliary zone extending along the core. The main zone has a first end and a second end. The turns in... | 08/21/2007 |
| 7259688 | Wireless reservoir production control A reservoir production control system includes a plurality of wells for producing a reservoir linked to a central computer over a downhole communication network and a surface communication network. Both the downhole and the surface communication networks are wireles... | 08/21/2007 |
