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9035194 Circuit board with integrated passive devices  
Embodiments of the present disclosure are directed towards a circuit board having integrated passive devices such as inductors, capacitors, resistors and associated techniques and configurations....
9035712 Resonance reducing circuit board  
A circuit card is provided that includes ground traces that extend from a resistor to a commoning bar, where a resultant electrical length between the resistor and the commoning bar and is...
9030266 Wave form distortion removing apparatus for a communication network  
In a communication network having a first electronic control unit, a second electronic control unit, a transmission path connecting them, and a third electronic control unit connected to a branch...
9019032 EBG structure, semiconductor device, and printed circuit board  
An EBG structure according to an embodiment includes an electrode unit made of a first conductor and provided with a space, a patch unit provided approximately parallel to the electrode unit and...
9007148 Common mode filter provided with hightened removal function of common mode noise and de-emphasis function  
In a common mode filter, at least one common mode filter portion is provided for removing a common mode noise, and has a first terminal pair configured to include first and second terminals...
9007149 Common mode filter with multi spiral layer structure and method of manufacturing the same  
A common mode filter with a multi spiral layer structure includes a first coil, a second coil, a third coil connected in series with the first coil, a fourth coil connected in series with the...
9000860 Low-loss TX-to-RX isolation using electrical balance duplexer with noise cancellation  
A circuit for a low-loss electrical balance duplexer (EBD) with noise cancellation may include an EBD circuit. The EBD circuit may be coupled to one or more output nodes of a transmit (TX) path,...
8994477 Noise filtering circuit for suppressing EMI  
A noise filtering circuit for suppressing electromagnetic interference (EMI) is provided. The noise filtering circuit filters out high multiplied-frequency noise of a digital signal being...
8994470 Circuit substrate having noise suppression structure  
A circuit substrate has three wiring layers, wherein a signal line is formed in a first wiring layer; a ground plane is formed in a second wiring layer; a resonant line is formed in a third wiring...
8975978 Interconnect substrate and electronic device  
Provided is an interconnect substrate that includes a laminated body including an electric conductor and an insulator, over which an electronic element (141) is disposed, wherein the laminated...
8952266 Structural body and interconnect substrate  
A structural body includes: a first conductor and a second conductor of which at least portions are opposite to each other; a third conductor, interposed between the first conductor and the second...
8952766 Control board, inverter device and integrated-inverter electric compressor  
An object is to provide a control board, an inverter device, and an integrated-inverter electric compressor that are capable of improving electromagnetic compatibility (EMC property) and improving...
8937516 Device and method for reducing harmful effects of electromagnetic radiation  
The present invention relates to a device and a method for reducing harmful effects to people of a first alternating electromagnetic field that is characterized by a first frequency. According to...
8928425 Common mode detector for a communication system  
A circuit for a wireline system is disclosed. In an embodiment, the circuit includes a twisted pair channel. The twisted pair channel delivers a differential signal that includes a converter mode...
8922299 Circuit for mitigating electromagnetic interference input stage of a driver IC  
The present disclosure relates to a circuit for mitigating EMI generated from an input terminal of an IC (Integrated Circuit) including a power input port connected to a first input and an...
8922303 Common mode filter  
To sufficiently attenuate a common mode signal by passing an ultra-high speed differential signal through an ultra-high speed differential transmission line. A common mode filter comprises: a pair...
8917148 Transmission unit with reduced crosstalk signal  
A transmission unit with reduced crosstalk signal includes a first conductor group having at least one first conductor surrounded by a first sheath and at least one second conductor surrounded by...
8895851 Shielding of high voltage cables  
A magnetically shielded cable arrangement, comprising at least two AC cables (201-203) comprising a spaced portion extending between two close portions of parallel cables, such spaced portion...
8890559 Connector and interface apparatus comprising connector  
[Problems] In a connector to which unbalanced-type lines are connected, providing a connector which prevents crosstalk in the connector and an interface apparatus including the connector....
8884719 Noise filter device  
A noise filter includes a first substrate on which a filter input terminal, an input-side capacitor, a common-mode choke coil, and a filter output terminal are mounted and a second substrate on...
8866566 Common mode filter  
To pass an ultra high-speed differential signal and make it difficult to pass a common mode noise. Lumped—constant differential delay line DL is formed by arranging inductors Lo, being passive...
8847697 Communication system  
A communication system of the present invention includes: a communication coupler that transmits a signal; and a signal transmitting apparatus that communicates by propagating, as an...
8848385 Embedded isolation filter  
The present disclosure relates to reducing unwanted RF noise in a printed circuit board (PCB) containing an RF device. An isolation filter is embedded in a PCB containing an RDF device. By placing...
8847705 Common mode filter  
There is provided a common mode filter capable of allowing an ultrahigh speed differential signal to transmit and hardly allowing a common mode noise to transmit, comprising: a lumped-constant...
8830009 Power supply cable for power line communication equipment  
A method including receiving power, from a power line, at a device configured to communicate via the power line. The power from the power line is received at the device via a power cord of the...
8816795 EMC filter circuit  
An EMC filter circuit (1) has an essentially rigid busbar (3) for carrying an electric power to which is superposed a noise component in a conductive housing (2), which connected to ground. The...
8786379 Common mode noise filter  
A common mode noise filter includes: a common mode filter inserted into a pair of signal lines; and a pair of capacitively coupled coils having one ends connected respectively to the corresponding...
8780584 Printed circuit board and electro application  
An electronic product includes a case; a first board placed inside the case; and a second board having an Electromagnetic Band Gap (EBG) structure inserted therein. The second board is coupled to...
8749100 Overvoltage suppressing device  
In some embodiments, a method is disclosed that includes measuring a waveform of a power source side voltage of a circuit breaker; measuring a waveform of a transmission line side voltage of the...
8705636 Passive single-ended line test  
The present invention relates to a method for estimating properties of a transmission line by means of features of a noise spectrum generated by noise entering said transmission line at an...
8704610 Apparatus for improving grounding for an electrical component and method of making same  
A multi-layer cradle comprises a first layer comprising first and second contact pads configured to be electrically coupled to a signal input and a signal output of the electronic component,...
8698571 Circuit for improving the immunity performance of a vehicle network  
In a vehicle network for controlling electronic devices of the type having a network driver with at least one output line connected to the network through a common mode choke. A circuit for...
8698579 Multi-phase EMI noise separator  
Common mode (CM) and differential mode (DM) components of multi-phase conducted electromagnetic interference (EMI) noise emanating from electronic circuits such as power converters/inverters are...
8669828 Decoupling capacitor control circuitry  
Integrated circuits with decoupling capacitor circuitry are provided. Decoupling capacitor circuitry may include multiple arrays of decoupling capacitors. Each decoupling capacitor array may have...
8659365 Common mode noise suppression circuit  
A common mode noise suppression circuit applicable to differential signal transmission performs common mode noise suppression with respect to differential signals transmitted by a transmission...
8658892 Ferroelectric field coupling device for improved noise reduction in AC power lines  
A method to increase the coupling effectiveness of an AC electric field to a ferroelectric substance, thereby improving noise reduction. The method employs an electric field chamber, preferably a...
8643446 Electro-magnetic interference reduction using opposing field transmitter  
An electronic system that partially or perhaps even fully mitigates the effects of EMI by having a dedicated antenna circuit for carrying an antenna signal that is not used for signal processing...
8629715 Clock distribution scheme  
An apparatus for propagating local oscillator signals in a circuit, the apparatus comprising two pairs of lines carrying respectively differential in-phase and quadrature signals. The lines are...
8629733 Adaptive on die decoupling devices and methods  
Semiconductor dies and methods are described, such as those including a first capacitive pathway having a first effective series resistance (ESR) and a second capacitive pathway having an...
8610063 System for transmitting an electrical signal, in particular frequency-related, and radiation measurement device equipped with such a system  
A system for transmitting an electrical signal, notably a frequency-related electrical signal, includes two conducting lines each having a central conductor surrounded by a conducting sheath, the...
8598962 Compact RF isolation network for multi-pin packaged integrated circuits  
Pins on an RFIC package carry RF signals between the package and a PCB. A first capacitor is coupled between a selected pin of the RFIC package near the pins carrying the RF signals and a...
8595924 Method of electromagnetic noise suppression devices using hybrid electromagnetic bandgap structures  
A hybrid electromagnetic bandgap (EBG) structure for broadband suppression of noise on printed wiring boards includes an array of coplanar patches interconnected into a grid by series inductances,...
8570114 Defected ground structure with shielding effect  
A defected ground structure with shielding effect is provided. The structure includes a dielectric layer, a defected metal layer, a grounded metal layer and at least a conductive mushroom-like...
8552811 Electromagnetic noise suppression circuit  
An electromagnetic noise suppression circuit is provided. The suppression circuit comprises a first substrate, a first grounding plane and at least one transmission line. The transmission line is...
8552810 Arrangement for reducing interference  
An arrangement for reducing interference between circuit blocks having differences in the amount of input power and phase differences includes isolation wires located between the circuit blocks...
8548069 Data transmission system capable of transmitting interrupt signal without interrupt gate period  
A data transmission system comprises: a pair of transmission lines connecting a plurality of apparatuses; a bridge termination resistor connected between the transmission lines and having a...
8542075 Structure and method for reducing EM radiation, and electric object and manufacturing method thereof  
A method for reducing EM radiation comprises at least one first resonance line disposed on one of electric surfaces, which is disposed at a side of a transmission line structure on one of the...
8502618 Measurement and control of electromagnetic interference  
The average EMR emissions of an electronic device may be reduced by implementing an electrically-active modulated termination. For example, the impedance may be continuously varied at one or more...
8493159 Radio frequency device  
A radio frequency device is disclosed, which includes an isolation substrate, a ground layer, a first signal end, a second signal end, a radio frequency circuit, and an impedance unit. The...
8451072 Method for transmission lines using meta-materials  
High frequency circuits for wireless, digital and microwave applications place requirements upon the impedance of their signal lines, interconnects and packaging. In designing and implementing the...