Abstract: A radiofrequency trap component system includes a resonant LC circuit including a capacitive element and an inductive element, wherein the inductive element includes primary inductor rings positioned in proximity to a modulation ring. The radio frequency trap component system further includes a radiofrequency noise detector configured to detect a noise level of radiofrequency noise interacting with an electromagnetic radiofrequency noise recipient in a computing device and controller circuitry communicatively coupled to the radiofrequency noise detector and configured to determine that the detected noise level satisfies an interference condition and to tune a radiofrequency bandwidth at which the resonant LC circuit resonates by modulating electrical current supplied to the modulation ring of the inductive element in the resonant LC circuit, based at least on determining that the detected noise level satisfies the interference condition.

Abstract: An electronic device has a primary coil 10; a secondary coil 20 disposed to face the primary coil 10; a coil sealing part 50 sealing the primary coil 10 and the secondary coil 20 and being made of sealing resin; a primary-side sealing part 150 sealing a primary-side electronic element 110 electrically connected to the primary coil 10; and a secondary-side sealing part 250 sealing a secondary-side electronic element 210 electrically connected to the secondary coil 20.

Abstract: An isolator includes an insulating layer, a first electrode provided on a first side of the insulating layer, and a second electrode provided on a second side of the insulating layer opposite to the first side. The second electrode faces the first electrode across the insulating layer. The insulating layer includes therein a gap between the first electrode and the second electrode. The gap extends along a plane perpendicular to a thickness direction of the insulating layer.

Abstract: An object of the present invention is to provide a stationary induction electric apparatus that can improve insulating performance with a few additional structures. In the stationary induction electric apparatus comprising: an iron core 1; a low-voltage coil conductor 400 wound on the iron core; an insulator 3 enclosing the low-voltage coil conductor; and a high-voltage coil conductor 2 which is wound on the insulator and to which a voltage is applied from the outside, a first shield conductor 5 wound adjacent to the inner peripheral surface of the insulator, a second shield conductor 4 wound adjacent to the outer peripheral surface of the insulator, one end of the first shield conductor, and one end of the second shield conductor are electrically connected to any region of the high-voltage coil conductor.

Abstract: A pressure detecting device that detects the combustion pressure in an internal combustion engine includes: a piezoelectric element that outputs a charge signal corresponding to the pressure in a combustion chamber; and a mounting board on which are mounted an integrating circuit that integrates the charge signal outputted by the piezoelectric element and an amplifier circuit that amplifies a voltage signal obtained by integration. On the mounting board are provided: a power receiving terminal that receives a power-supply voltage from a controller; an output terminal that outputs an output signal after amplification to the controller; and a grounding terminal for making the ground of the controller and the mounting board common. Furthermore, in the mounting board, the grounding terminal and grounding ends of the integrating circuit and the amplifier circuit are connected by way of grounding ferrite beads.

Abstract: Methods and apparatus for bi-directional communication between first and second die of a signal isolator for feedback and/or diagnostic signals. In embodiments, the first and second die can be matched.

Abstract: A wireless power transmission module operable in magnetic resonance method including a radiator unit for wireless power transmission, and a magnetic field shielding unit, disposed on a side of the radiator unit, for preventing disturbance of transmission and reception of the radiator due to the conductor and improving radiator characteristics, by providing a magnetic field shielding layer which includes shredded Fe-based alloy fragments and a dielectric filling at least a part of gaps between shredded Fe-based alloy fragments and some adjacent ones of the fragments to reduce eddy currents, to improve flexibility of and reduce eddy currents in the magnetic field shielding unit. When a wireless power signal is transmitted and received in a magnetic resonance method, the influence of a magnetic field on components of s a mobile terminal or a user can be blocked. Interference with the transmission/reception of the power signal due to the conductor can be minimized or prevented.

Abstract: An embodiment of an apparatus includes first and second core regions, first and second conductors, and an isolation region. The first core region has a first permeability, and the first conductor is disposed in the first core region. The second core region has a second permeability, and the second conductor is disposed in the second core region. And the isolation region is disposed between the first and second core regions, and has a third permeability that is significantly different than the first and second permeabilities. For example, the first and second conductors may be windings of respective first and second inductors, and the isolation region, which may be attached to, or integral with, the first and second core regions, may reduce the amount of magnetic coupling between the inductors to a level that is negligible, such that the inductors may be used in applications that call for magnetically uncoupled inductors.

Abstract: A shielded inductor and a method of making a shielded inductor are provided. The shielded inductor includes a core body surrounding a conductive coil, leads in electrical communication with the coil, and a shield covering at least parts of the outer surface of the core body. An insulating material may be provided between parts of the core body and parts of the shield. A method of making a shielded inductor is also provided.

Abstract: In some examples, a device includes a first conductive region and a second conductive region that is galvanically isolated from the first conductive region. The device further includes one or more conductors, wherein each conductor of the one or more conductors is electrically connected to circuitry in the first conductive region. The device also includes a giant magnetoresistive (GMR) sensor electrically connected to circuitry in the second conductive region and magnetically coupled to the one or more conductors, wherein the GMR sensor is positioned at least partially lateral relative to the one or more conductors.

Abstract: The present invention relates to a method of visualizing a downhole environment using a downhole visualization system. The downhole visualization system comprises a downhole tool string comprising one or more sensors, a downhole data processing means for processing the sensor signals to provide sensor data, an uphole data processing means for uphole processing and visualization, and a data communication link operable to convey the sensor data from the downhole data processing means to the uphole data processing means, the sensors being capable of generating sensor signals indicative of one or more physical parameters in the downhole environment. The downhole visualization system further comprises a downhole data buffering means capable of receiving the sensor data from the downhole data processing means and temporarily storing the sensor data in the downhole data buffering means.

Abstract: A mobile computer suitable for use in an MRI environment is disclosed. The mobile computer includes at least one shielded cavity in which the electronics for the mobile computer are inserted. The shielded cavity inhibits undesirable emissions from the mobile computer from affecting the quality of the image obtained by the MRI scanner and inhibits electrical interference generated by the dynamic magnetic fields in the MRI scanner from affecting the performance of the mobile computer. In addition, the components used in the mobile computer are selected from non-ferrous materials and are arranged in a manner to minimize interaction between the mobile computer and the MRI scanner.

Abstract: A system and method for providing a position and orientation sensor package having a reduced size in at least one dimension is disclosed. The position and orientation sensor package includes a dielectric substrate and a first magneto-resistance sensor chip attached to the dielectric substrate, the first magneto-resistance sensor chip including at least one magneto-resistance sensor circuit. The position and orientation sensor package also includes a second magneto-resistance sensor chip attached to the dielectric substrate and positioned adjacent the first magneto-resistance sensor chip, the second magneto-resistance sensor chip including at least one magneto-resistance sensor circuit. The position and orientation sensor package is constructed such that the at least one magneto-resistance sensor circuit of the first magneto-resistance sensor chip is oriented in a different direction than the at least one magneto-resistance sensor circuit of the second magneto-resistance sensor chip.

Abstract: An electric motor that is fixed to a revolving frame, an electrical equipment that is supported by the revolving frame by using a vibration absorption mount, and a cable for establishing a connection between the electric motor and the electrical equipment are provided. A connector mounting member having an outer shape smaller than that of a box is provided in the box of the electrical equipment, and an equipment-side connector is provided in the connector mounting member. A cable-side connector of the cable is connected to the equipment-side connector, and a cable end portion of the cable is fixed to the box by a clamp member. As a result, the vibration that is transmitted to the cable can be matched with the vibration that is transmitted to the cable-side connector.

Abstract: At least one shield member interposed between primary and secondary windings of a transformer and connected to the primary and/or secondary windings forms a distributed parasitic capacitance between the shield member and either the winding to which it is not connected or another shield member connected to that winding. Connections are made to the respective transformer windings such that the voltage distributions thus developed cause complementary common mode noise to be conducted in opposite directions in respective portions of the parasitic capacitance such that net common mode current can be made arbitrarily small without requiring that both sides of the distributed parasitic capacitance have complementary or equal voltage distributions. Such complementary common mode currents can be achieved by dividing opposing shield members or developing a voltage distribution in a single shield member in accordance with Faraday's Law.

Abstract: A stacked magnetic power converter assembly includes a plurality of converter modules disposed in a stacked arrangement with respect to one another to define a thickness of stacked magnetic power converter assembly. Each converter module includes a primary switching unit, a secondary switching unit, and a converter unit. The converter unit includes a primary terminal in signal communication with the primary switching unit and a secondary terminal in signal communication with the secondary switching unit. Each primary switching unit, each secondary switching unit, and each converter unit is shared among the plurality of converter modules.

Abstract: A circuit board assembly includes metal plates to be used as conducting medium, an encapsulation enclosing therein the metal plates and provided with holes defined in the encapsulation to allow extension of the metal plates out of the encapsulation for electrical connection and electronic components securely mounted on the encapsulation and electrically connected to the metal plates to form a closed loop.

Abstract: A resonance-type non-contact power supply system includes a power-transmission-side metal shield to cover an area around a primary coil and a primary resonance coil, and a power-receiving-side metal shield to cover an area around a secondary coil and a secondary resonance coil, and when charging is performed, the power-transmission-side metal shield and the power-receiving-side metal shield are connected with a case connector to be at the same potential.

Abstract: A network device comprises an interface coupling an electronic device to a differential pair of signal lines, and an integrated active common mode suppression and electrostatic discharge protection circuit coupled to the interface in parallel to differential signal lines of the electronic device. First and second resistors are respectively coupled to the differential lines between the integrated active common mode suppression and electrostatic discharge protection circuit and the electronic device.

Abstract: Presented is a sensor that includes a magnetoresistive (MR) sensing device to sense a magnetic field and to produce an AC signal voltage proportional to the sensed magnetic field. The sensor also includes circuitry, coupled to the MR sensing device, to remove DC offset from the AC signal voltage. The DC offset may be related to the hysteresis characteristics of the MR sensing device. To remove DC offset, the circuitry may obtain an averaged DC offset and subtract the averaged DC offset from the AC signal voltage to produce a sensor output signal.

Abstract: In a vehicle-mounted electronic control device having a switching power supply in which a switching element is controlled to obtain a predetermined intermediate voltage Va stepped down from a vehicle-mounted battery, and to which a downstream side coil, a flywheel diode, and an output capacitor are connected to suppress a pulsating voltage, a circuit for suppressing reverse conduction for the switching element is provided in order to prevent that the switching element is reversely conducted and thus a charging voltage of the output capacitor is abnormally lowered when a power supply voltage Vb of the vehicle-mounted battery is abnormally lowered.

Abstract: A magnetic shielding apparatus includes: a passive shield; a correction target space that is defined in the interior of the passive shield; external coils as a first coil that corrects a magnetic field in the passive shield; a first magnetic sensor; a second magnetic sensor that is arranged more inside the passive shield than the first magnetic sensor; and a control unit. The first magnetic sensor and the second magnetic sensor measure a magnetic field gradient in the passive shield. The control unit controls the external coils based on a result of the measurement performed by the first magnetic sensor and the second magnetic sensor.

Abstract: A method for reducing electromagnetic interference radiated from a power supply arrangement. A plurality of switching mode power supply units are connected to an external device. Each switching mode power supply unit includes a ground point. The radiated electromagnetic interference is reduced by synchronizing a switching frequency of each switching mode power supply unit, such that all of the synchronized switching mode power supply units have an identical switching frequency, thereby reducing the difference in electric potential between the ground points. A corresponding power supply arrangement.

Abstract: Low-cost connector apparatus for passing electrical signals from one device over another via a cable. In one embodiment, the connector apparatus comprises a coaxial type connector that mates with a host device, such as via the motherboard thereof. In one variant, the connector further comprises a plurality of electrical components including an integrated circuit adapted to condition (e.g., equalize) the signals being transmitted over the cable. The connector (and hence internal electrical components) is shielded so as to mitigate the effects of EMI or RFI on the host device circuitry itself. In another variant, the signals comprise IEEE-Std. 1394 “FireWire” high speed data signals, and the use of the shielded connector in the signal pathway allows the use of lower cost cabling than would otherwise be required with a non-shielded (non-integrated) connector.

Abstract: An inductive power transmitter for transmitting electrical power to a device by electromagnetic induction, the transmitter being configured to receive power conductively by way of a current via an electrical conduit from an external power source, the transmitter including a field generator configured to generate a fluctuating electromagnetic field having a fundamental frequency; and at least one impedance element connected along an electrical path of the transmitter configured to carry said current, the impedance element or a combination of the impedance elements having a high enough impedance at the fundamental frequency such that, in use, electromagnetic noise experienced at the power source is substantially suppressed, such noise arising from coupling between the electromagnetic field and a circuit having said path and linking the power source to the transmitter.

Abstract: There are provided a pattern exposure method, a conductive film producing method, and a conductive film, wherein a photosensitive material is subjected to a proximity exposure through a photomask disposed with a proximity gap of 70 to 200 ?m, and thereby is exposed in the mask pattern periodically in the conveying direction to obtain a conductive film. The conductive film has a plurality of conductive portions of first and second conductive thin metal wires and a plurality of opening portions. A side of each thin metal wire has a protrusion extending toward the opening portion from a virtual line representing a designed width of the thin metal wire, and the protruding amount of the protrusion is 1/25 to ? of the designed width.

Abstract: A semiconductor device includes a first circuit, a second circuit, a first wire, and a pair of shield lines. The first circuit includes a voltage generating circuit generating a predetermined voltage and produces the predetermined voltage at an output end thereof. The first wire connects the output end of the first circuit to an input end of the second circuit. The pair of shield lines is disposed so as to sandwich the first wire therebetween. One of the shield lines is supplied with a power supply potential for driving at least one of the voltage generating circuit and the second circuit. Another of the shield lines is supplied with a ground potential for driving at least one of the voltage generating circuit and the second circuit.

Abstract: A battery pack that electrically connects a terminal cover, which is attached to a terminal base, and a battery pack case even if the terminal cover and case are not in direct contact with each other. The case is formed from a conductive material and accommodates a battery. The terminal base is formed from a non-conductive material and attached to the case. The terminal cover is formed from a conductive material and attached to the terminal base. A conductor formed from a conductive material comes in contact with both of the terminal cover and the case.

Abstract: A plug connecting unit for connecting a cable circuit in a cable circuit housing with a sensor module in a sensor module housing, comprising a wireless interface for energy- and/or data transmission between the cable circuit and the sensor module. A first section of the wireless interface is arranged in the cable circuit and a second section of the wireless interface is arranged in the sensor module. The wireless interface is surrounded by a magnetic shielding and the magnetic shielding is arranged in the cable circuit housing and/or in the sensor module housing.

Abstract: Methods and apparatus for providing a system, such as a power conditioner unit, including terminals to receive three-phase signals, respective filter inductors, and respective filter capacitors that are switched into the EMI filter when the loading is above a given threshold.

Abstract: A magnetic shielding device includes: a passive shield having an inner space; a first coil that cancels a magnetic field entering in the inner space; a first magnetic sensor that measures the magnetic field entering in the inner space; a second magnetic sensor located in a position farther from the first coil than the first magnetic sensor; and a controller that controls the first coil so that a gradient between a first magnetic field measured by the first magnetic sensor and a second magnetic field measured by the second magnetic sensor be less than a predetermined threshold.

Abstract: A semiconductor device includes a semiconductor chip, and a guard ring made of an electrically conductive material and arranged between electrodes on the semiconductor chip and side edges of the semiconductor chip, the guard ring being divided by isolating sections on the semiconductor chip.

Abstract: A plug-in power line conditioner is configured to receive an AC voltage from a circuit and insert a correction signal onto the circuit.

Abstract: An integrated circuit for quantum computing may include a superconducting shield to limit magnetic field interactions.

Abstract: A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view; and a third shield film disposed to surround the magnetoresistive element.

Abstract: An embodiment of the invention relates to a circuit assembly having the following components: a power transistor with a control terminal, a first load terminal and a second load terminal, the second load terminal having a floating potential; a driver circuit configured to generate control signals for the control terminal of the power transistor, the relevant reference potential for the driver circuit being the floating potential of the second load terminal; a planar metallization layer sited on or in a substrate and comprising a constant reference potential, a shielding plane isolated from the metallization layer, sited planar on or in the substrate such that it is capacitively coupled to the metallization layer; a power supply circuit for providing a supply voltage referenced to the floating potential of the second load terminal for the driver circuit, the power supply circuit comprising, circuited between the second load terminal and the shielding plane, a first series circuit including a first capacitor an

Abstract: The present embodiments related to a device having a device element to which a high voltage can be applied. The device is provided with at least one additional conducting element which is disposed, embodied and connected in such a way that the element is assigned a defined potential value and a change to the electric field generated by the high voltage in the sense of a more favorable field distribution is effected by means of position, shape and potential value. According to the invention, maximum loads on switching elements are avoided and undesirable phenomena such as voltage breakdowns or flow voltages are counteracted as a result of the more favorable field distribution.

Abstract: Exemplary embodiments are directed to a device include a parasitic coil for protection of the device. A device may include a first circuit configured to receive a first transmitted signal at an operational frequency. The device may also include a second circuit a second circuit configured to generate a field that opposes at least one of an undesirable portion of a wireless power field of the first transmitted signal and a portion of another wireless power field proximate the first circuit, the another wireless power field generated by a second transmitted signal at a non-operational frequency of the first circuit.

Abstract: A controller for a power inverter having a gate assembly with an alternating current power output. A gate driver controls the activation of the gate assembly while a processor controls the operation of the gate driver. A current sensor has an output signal representative of the current at the power output. A noise detector circuit provides an output signal to the processor of the frequency of electromagnetic noise in the power inverter and the processor is programmed to sample the current from the current sensor at the frequency of the noise.

Abstract: The present invention provides an ESD device to reduce the total triggering current without increasing the overshoot voltage. This is achieved by localizing the triggering current, such that the local current density remains high enough to trigger the ESD device. This localized triggering provides a fast and efficient triggering of the ESD device.

Abstract: Embodiments disclosed herein describe a network device including a class AB common mode suppression (CMS) circuit coupled in parallel between a line voltage source and a physical layer (PHY) device that provides active EMI suppression and Phy device termination. A network connector is coupled to provide the line voltage source to the class AB CMS circuit. The class AB CMS circuit provides current to the PHY device, terminates open-drain transmit drivers of the PHY device and suppresses common mode noise thereby minimizing electromagnetic interference. In other embodiments, the class AB CMS circuit is coupled in parallel between the network connector and a physical layer (PHY) device. The class AB CMS circuit suppresses common mode noise, and terminates open-drain transmit drivers of the PHY device, thereby minimizing electromagnetic interference.

Abstract: A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view; and a third shield film disposed to surround the magnetoresistive element.

Abstract: A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; and first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view, wherein a distance between the magnetoresistive element and the second shield film is set to 8 to 100 ?m.

Abstract: Circuit arrangement and method for reducing electromagnetic interference. The circuit arrangement includes a supply potential connection, a reference-ground potential connection, a controllable impedance element, a signal generator, and a circuit unit. The controllable impedance element is connected between the supply potential connection and the reference-ground potential connection, and has a control connection for receiving a control signal for controlling the impedance of the impedance element. The signal generator is coupled to the control connection of the impedance element. The circuit unit is connected between the supply potential connection and the reference-ground potential connection, and originates the electromagnetic interference during operation. The signal generator is designed to produce the control signal, which varies over time, in such a manner that the electromagnetic interference which originates from the circuit unit during operation is changed.

Abstract: An electrical power control system for use with a recreational vehicle or similar load to selectively control power thereto from either a utility power source or a generator power source comprising a power control stage coupled to the utility power source and the generator power source by a power supply stage to operate the electrical power control system and a utility/generator switch arrangement to selectively direct the power from either the utility power source or the generator power source to the recreational vehicle and wherein the power control stage monitors polarity, phase and voltage levels and controls the utility/generator switch arrangement to selectively feed power from either the utility power source or the generator power source to the recreational vehicle under a predetermined plurality of operating parameters or conditions and fault conditions.

Abstract: An integrated circuit for quantum computing may include a superconducting shield to limit magnetic field interactions.

Abstract: A printed circuit board includes a ground layer, a power source layer, a signal wiring layer, an insulating layer and an electromagnetic radiation suppressing member. The power source layer is provided to be opposed to the ground layer. The signal wiring layer transmits a signal in a predetermined frequency domain. The insulating layer insulates the ground layer, the power source layer and the signal wiring layer from one another. The electromagnetic radiation suppressing member is provided to cover a circumferential edge of the insulating layer. The electromagnetic radiation suppressing member has a negative dielectric constant and a positive magnetic permeability in a frequency domain including the predetermined frequency domain.

Abstract: A reduced-noise switching power supply includes a conductive surface disposed transversely in an air space between a line filter system component and a switching system component. The conductive surface does not encase either the line filter system component or the switching system component.

Abstract: In some embodiments, a voltage grading and shielding method for a high voltage component, is provided. In some embodiments, the method includes configuring at least one first track constructed of a metal or an alloy, at a first location predetermined from the mounting position of the high voltage component, and at least one second track constructed of a metal or an alloy thereof, at a second location predetermined along the length of the high voltage component. In some embodiments, the configured at least one first track substantially reduces the stray capacitance effect and the at least one second track produces a substantially linear voltage distribution along the length of the high voltage component.

Abstract: The present embodiments related to a device having a device element to which a high voltage can be applied. The device is provided with at least one additional conducting element which is disposed, embodied and connected in such a way that the element is assigned a defined potential value and a change to the electric field generated by the high voltage in the sense of a more favorable field distribution is effected by means of position, shape and potential value. According to the invention, maximum loads on switching elements are avoided and undesirable phenomena such as voltage breakdowns or flow voltages are counteracted as a result of the more favorable field distribution.