38th week of 2014 patent applcation highlights part 73 |
Patent application number | Title | Published |
20140266464 | Apparatus and Method for Asymmetrically Driven Partial Outphasing Power Amplifier - Apparatus and method embodiments are provided for improving power efficiency in an outphasing amplifier with a non-isolating combiner. The embodiments include reducing the driving power to two power amplifiers (PAs) of the amplifier circuit in the low input signal power region in an asymmetric manner between the two PAs. An embodiment method includes receiving, at a signal decomposer, an input signal, detecting a power amplitude of the input signal, and determining whether the input signal corresponds to one of a plurality of operation modes according to the detected power amplitude of the input signal and a plurality of power thresholds corresponding to the operation modes. Upon determining that the power amplitude of the input signal corresponds to a first mode from the operation modes, the input signal is decomposed into two component signals including at least one signal that has a reduced and scaled amplitude proportional to the input signal. | 2014-09-18 |
20140266465 | Apparatus and Method for Multilevel Lossless Outphasing Power Amplifier - System and method embodiments are provided for a multilevel outphasing amplifier architecture with a non-isolating or lossless combiner. The multilevel outphasing amplifier with lossless combiner improves power efficiency in comparison to outphasing amplifiers with lossless combiners. The multilevel outphasing amplifier applies different voltage levels to the power amplifiers (PAs) of the circuit according to the input signal power range. Additionally, tunable reactive compensation is applied to the compensation components (capacitor and inductor) of the lossless combiner as a function of the multilevel voltage setting of the PAs. The efficiency at the back-off region is improved by varying the compensation elements of the lossless combiner along with the drain voltage to the PAs as a function of the input signal power or amplitude. | 2014-09-18 |
20140266466 | Internally, Resistively, Sensed Darlington Amplifier - An internally, resistively, sensed Darlington amplifier includes a Darlington amplifier, at least an input transistor, an output transistor, a resistive divider, a signal input node, and a signal output node. The Darlington amplifier is responsive to an input signal and configured to generate an output signal. An internal bias setting resistor is coupled between the signal output node, a collector of the output transistor, and the resistive divider. The bias setting resistor is configured to set and regulate the bias current of the Darlington amplifier. | 2014-09-18 |
20140266467 | SYSTEM AND METHOD FOR REDUCING STRESS IN A CASCODE COMMON-SOURCE AMPLIFIER - A method of reducing stress in a cascode common-source amplifier including a first transistor and a second transistor connected in a cascode arrangement. The method includes providing an input voltage and a bias voltage to the first transistor and the second transistor, respectively, connected in the cascode arrangement, generating, based on the input voltage and the bias voltage, an output current, and equalizing stress associated with operation of each of the first transistor and the second transistor. Equalizing the stress includes, in response to the input voltage decreasing by an amount sufficient to cause the first transistor and the second transistor to turn off, equalizing respective voltage drops across the first transistor and the second transistor. | 2014-09-18 |
20140266468 | TRACKING POWER SUPPLY WITH INCREASED BOOST CAPABILITY - A tracking power supply for one or more amplifiers includes one or more cascaded sets of power boost circuits to temporarily boost the positive and/or negative power supply rail, respectively. Each power boost circuit may include a gain element and an energy source such as a capacitor or battery, and the power boost circuits are linked to provide a greater degree of voltage boost when needed. An optional control circuit monitors amplifier output signal levels, or separately amplified input signal levels, and provides power boost control signals to the power boost circuits, which temporarily raise or lower the positive and/or negative supply voltages above or below the nominal voltage rails in tandem with the highest and lowest output signals, respectively, from the amplifier(s). | 2014-09-18 |
20140266469 | Current Re-Using Wideband Low-Noise Active Balun - Some aspects of the present disclosure relate to a low-noise amplifier (LNA) having a balun configuration. The LNA includes a DC current path coupling a first DC supply node to a second DC supply node. First and second output nodes and first and second input nodes are spaced apart along a length of the DC current path. A single-ended radio frequency (RF) input terminal is configured to deliver a single-ended RF signal to the first and second input nodes. A differential RF output terminal is made up of the first and second output nodes. The first and second output nodes are configured to cooperatively establish a differential output signal based on the single-ended RF signal. Other devices and methods are also disclosed. | 2014-09-18 |
20140266470 | TRANSFORMER-BASED POWER AMPLIFIER STABILIZATION AND REFERENCE DISTORTION REDUCTION - This disclosure relates generally to radio frequency (RF) amplification devices and methods of operating the same. In one embodiment, an RF amplification device includes an RF amplification circuit and a stabilizing transformer network. The RF amplification circuit defines an RF signal path and is configured to amplify an RF signal propagating in the RF signal path. The stabilizing transformer network is operably associated with the RF signal path defined by the RF amplification circuit. Furthermore, the stabilizing transformer network is configured to reduce parasitic coupling along the RF signal path of the RF amplification circuit as the RF signal propagates in the RF signal path. In this manner, the stabilizing transformer network allows for inexpensive components to be used to reduce parasitic coupling while allowing for smaller distances along the RF signal path. | 2014-09-18 |
20140266471 | PROGRAMMABLE FREQUENCY DIVIDER FOR LOCAL OSCILLATOR GENERATION - A method, an apparatus, and a computer program product are provided. The apparatus generates LO signals. The apparatus includes a LO generator module and an injection signal generator module coupled together. The LO generator module has a plurality of LO outputs and a plurality of injection signal inputs. The LO module is configured to generate the LO signals on the LO outputs based on injection signals received on the injection signal inputs. The injection signal generator module has a plurality of LO inputs and a plurality of injection signal outputs. The LO inputs are coupled to the LO outputs. The injection signal outputs are coupled to the injection signal inputs. The injection signal generator module is configured to generate injection signals on the injection signal outputs based on the LO signals received on the LO inputs and based on a received VCO signal. | 2014-09-18 |
20140266472 | TEMPERATURE COMPENSATED PLL CALIBRATION - In some embodiments, provided are AFC circuits and methods for calibrating a second setting of an oscillator while a first setting is controlled by a temperature compensated control. | 2014-09-18 |
20140266473 | METHOD FOR DETECTING A CORRELATION - A method is described for detecting a correlation between at least two ring oscillators and to a system for carrying out the method. In the method a memory field is used in which combinations of concatenations are each assigned a bit. | 2014-09-18 |
20140266474 | SYSTEM AND METHOD FOR IMPROVED MEMS OSCILLATOR STARTUP - A MEMS resonator system comprises a MEMS resonator, kick start circuitry, feedback circuitry, an oscillator, and a switch. The MEMS resonator system is configured to provide a pulsed kick-start signal having a frequency and period such that energy delivered to the MEMS resonator is optimized in a short period of time, resulting is reduced oscillator startup time. The MEMS resonator system is configured to switch out the kick-start signal when the MEMS resonator oscillation has been achieved, and switch in feedback circuitry to maintain the MEMS resonator in a state of oscillation. | 2014-09-18 |
20140266475 | RING OSCILLATOR CIRCUIT AND METHOD - Oscillator circuits and methods are disclosed. In an embodiment, a circuit includes a voltage controlled oscillator (VCO) and a regulator coupled to a supply input of the VCO. The circuit also includes an oscillation dampening circuit coupled to an output of the regulator. A resistance or a capacitance of the oscillation dampening circuit is configured to vary based on current provided to the VCO. | 2014-09-18 |
20140266476 | EXTENDED RANGE RING OSCILLATOR USING SCALABLE FEEDBACK - A clock system including a ring oscillator having a plurality of cascaded inverters, each of the cascaded inverters having a pair of inputs coupled to outputs of a respectively adjacent inverter stage and having a pair of outputs coupled to inputs of another respectively adjacent inverter stage, each inverter stage having a common mode control circuit provided therein, and a feedback controller adapted to transmit a control signal to the common mode control circuit of at least one of the inverters. | 2014-09-18 |
20140266477 | OSCILLATION DEVICE - An oscillation device comprises a substrate and a plurality of resonance structures arranged on the substrate to resonate electromagnetic waves. Each of the plurality of resonance structures has a negative differential resistance device for generating electromagnetic waves, a first conductor arranged electrically in contact with the negative differential resistance device and a second conductor arranged electrically in contact with the negative differential resistance device and disposed on the opposite side to the first conductor with respect to the negative differential resistance device. Adjacently located resonance structures of the plurality of resonance structures are interconnected by means of a metal part adapted for capacitive coupling with the first conductors thereof. The plurality of resonance structures are arranged so as to be separated from each other at least by a distance not greater than a wavelength of electromagnetic waves to be oscillated by them. | 2014-09-18 |
20140266478 | LOW POWER OSCILLATOR WITH NEGATIVE RESISTANCE BOOSTING - Representative implementations of devices and techniques provide increased negative resistance to an oscillator circuit. A capacitance divider and/or a feedback loop may be employed to increase the negative resistance of the oscillator circuit at the same current consumption and with the same load capacitance. Further, a constant bias circuit may be employed to conserve and/or reduce the current consumption of the oscillator circuit. | 2014-09-18 |
20140266479 | HYBRID VOLTAGE CONTROLLED OSCILLATOR - A method, an apparatus, and a computer program product are provided. The apparatus provides a VCO signal. The apparatus is a VCO. The apparatus includes a first transconductance circuit. The apparatus further includes a second transconductance circuit coupled with the first transconductance circuit. The second transconductance circuit has a first configuration/mode (e.g., CMOS configuration/mode) and a second configuration/mode (e.g., NMOS configuration/mode or PMOS configuration/mode). The second transconductance circuit is configured to couple an input of the second transconductance circuit to the first transconductance circuit in the first configuration/mode. The second transconductance circuit is configured to isolate the input of the second transconductance circuit from the first transconductance circuit in the second configuration/mode. The second transconductance circuit may include a first transistor and a second transistor, and the input may be a gate of each of the first transistor and the second transistor. | 2014-09-18 |
20140266480 | Digitally Controlled Injection Locked Oscillator - An injection locking oscillator (ILO) comprising a tank circuit having a digitally controlled capacitor bank, a cross-coupled differential transistor pair coupled to the tank circuit, at least one signal injection node, and at least one output node configured to provide an injection locked output signal; a digitally controlled injection-ratio circuit having an injection output coupled to the at least one signal injection node, configured to accept an input signal and to generate an adjustable injection signal applied to the at least one injection node; and, an ILO controller connected to the capacitor bank and the injection-ratio circuit configured to apply a control signal to the capacitor bank to adjust a resonant frequency of the tank circuit and to apply a control signal to the injection-ratio circuit to adjust a signal injection ratio. | 2014-09-18 |
20140266481 | OSCILLATOR WITH PRIMARY AND SECONDARY LC CIRCUITS - One aspect of this disclosure is an apparatus including an oscillator that includes a secondary LC circuit to increase a tuning range of the oscillator and/or to reduce a phase noise of the oscillator. Another aspect of this disclosure is an apparatus that includes oscillator with a primary LC circuit and a secondary LC circuit. This oscillator can operate in a primary oscillation mode or a secondary oscillation mode, depending on whether oscillation is set by the primary LC circuit or the secondary LC circuit. | 2014-09-18 |
20140266482 | NEGATIVE CAPACITANCE CIRCUIT, RESONANCE CIRCUIT AND OSCILLATOR CIRCUIT - A resonance circuit includes a first resonator, a second resonator, a capacitance element and an inverting amplifier, and a negative capacitance circuit. The second resonator is connected to the first resonator in series. The capacitance element and the inverting amplifier are connected to one another in series. The capacitance element and the inverting amplifier are connected to the first resonator in parallel. The negative capacitance circuit is connected between a node and ground. The node is disposed between the first resonator and the second resonator. | 2014-09-18 |
20140266483 | SAW DEVICE, SAW OSCILLATOR, AND ELECTRONIC APPARATUS - A SAW device includes a SAW chip formed of a piezoelectric substrate and an IDT formed thereon, a base substrate that supports the SAW chip, and a fixing member that fixes the SAW chip to the base substrate. The SAW chip that forms a cantilever is supported by the base substrate via the fixing member in a position where the IDT does not overlap with the fixing member in a plan view of the SAW chip. The length W of the SAW chip in a y-axis direction and the length D of the fixing member in the y-axis direction satisfy 12014-09-18 | |
20140266484 | MICROELECTROMECHANICAL RESONATORS - Embodiments relate to MEMS resonator structures and methods that enable application of a maximum available on-chip voltage. In an embodiment, a MEMS resonator comprises a connection between a ground potential and the gap electrode of the resonator. Embodiments also relate to manufacturing systems and methods that are less complex and enable production of MEMS resonators of reduced dimensions. | 2014-09-18 |
20140266485 | RESONATOR, OSCILLATOR, ELECTRONIC APPARATUS, AND MOVING OBJECT - A resonator includes a resonator element, which includes a quartz crystal substrate formed of crystal, and a package in which the resonator element is housed. The quartz crystal substrate includes a base portion and two vibrating arms that are aligned in the X-axis direction of the crystal and extend from the base portion in the +Y′-axis direction (or the −Y′-axis direction) of the quartz crystal. The principal surface of the base portion on the −Z′-axis side (+Z′-axis side when the vibrating arms extend in the −Y′-axis direction) in the quartz crystal is fixed to the package. | 2014-09-18 |
20140266486 | ON-DIE TRIM-ABLE PASSIVE COMPONENTS FOR HIGH VOLUME MANUFACTURING - Described is an apparatus to trim on-die passive components. The apparatus comprises: a resistor-capacitor (RC) dominated oscillator independent of first order transistor speed dependency, wherein the RC dominated oscillator including one or more resistors and capacitors with programmable resistance and capacitance, and wherein the RC dominated oscillator to generate an output signal having a frequency depending substantially on values of the programmable resistance and capacitance; and a trim-able resistor or capacitor operable to be trimmed, for compensating process variations, according to a program code associated with the programmable resistance and capacitance of the RC dominated oscillator. | 2014-09-18 |
20140266487 | Low EMI Wide Frequency Range Oscillator With Automatic Digital Amplitude Control - An oscillator/amplifier has a gain controlled amplifier that maintains a desired oscillation waveform amplitude for all possible oscillation frequencies of operation. A peak detector produces a direct current (DC) voltage proportional to the oscillation waveform, and a voltage reference generator provides a reference voltage that is compared against the DC voltage from the peak detector. When the DC voltage is less than the reference voltage the gain of the amplifier is increased, and when the DC voltage is equal to or greater than the reference voltage the gain of the amplifier is decreased. A programmable voltage reference generator may also be used to provide for selection of different oscillation waveform amplitudes. A digital control loop controls the oscillation waveform amplitude over the entire possible frequency range of operation. Various frequency determining elements, e.g., crystal, piezoelectric resonator, inductor-capacitor tuned circuit, resistor-capacitor network, etc., may be used in combination with the oscillator/amplifier. | 2014-09-18 |
20140266488 | Pulse Width Modulation (PWM) Utilizing Stored Signals Having Stochastic Characteristics - A system and method for generating a digital pulse width modulation (PWM) control signal for a power transfer device that includes providing a digital PWM signal having a stochastic characteristic and control information, storing one or more of the digital PWM signals and retrieving the signal from the storage device to determine the output of a power transfer device. The stored digital PWM signals exhibit selected frequency domain characteristics after being configured and preselected to minimize undesirable characteristics such as harmonic signatures, audible noise, component vibration, and frequency-domain energy peaks. | 2014-09-18 |
20140266489 | PULSE WIDTH MODULATION SIGNAL GENERATOR - An embodiment of pulse width modulated (PWM) signal generator includes a module or modules to calculate an amount of change in a period length and duty ratio of an output signal during a transition period between a first signal waveform and a second signal waveform using a first period parameter, a second period parameter, and a parameter indicating a predetermined number of steps in the transition period. The period parameter and duty parameter of the output signal during the steps of the transition period are based on the calculated amounts of change. | 2014-09-18 |
20140266490 | ROUTING OF DUAL STRIP LINES TO REDUCE CROSSTALK - A signal line design is described herein. A circuit board may include a first signal line and a second signal line. The first signal line includes a pair of signal lines at a first depth of a section of a circuit board, wherein a centerline extends lengthwise between the pair of signal lines. The second signal line is disposed at a second depth of the circuit board. The second signal line includes a first segment that runs parallel to the first signal line at a first displacement from the center line. The second signal line includes a second segment that runs parallel to the first signal line on the other side of the center line at a second displacement distance from the center line. | 2014-09-18 |
20140266491 | System And Method For Using A Reference Plane To Control Transmission Line Characteristic Impedance - A system for using a reference plane to control transmission line characteristic impedance includes a signal trace located in a multi-layer structure and at least one constant thickness reference plane proximate to the signal trace, the constant thickness reference plane located with respect to the signal trace so as to provide a desired characteristic impedance between the signal trace and the constant thickness reference plane. | 2014-09-18 |
20140266492 | Virtual RF Sensor - A radio frequency (RF) generation system includes an impedance determination module that receives an RF voltage and an RF current. The impedance determination module further determines an RF generator impedance based on the RF voltage and the RF current. The RF generation system also includes a control module that determines a plurality of electrical values based on the RF generator impedance. The matching module further matches an impedance of a load based on the RF generator impedance and the plurality of electrical components. The matching module also determines a 2 port transfer function based on the plurality of electrical values. The RF generation system also includes a virtual sensor module that estimates a load voltage, a load current, and a load impedance based on the RF voltage, the RF generator, the RF generator impedance, and the 2 port transfer function. | 2014-09-18 |
20140266493 | Microstrip to Closed Waveguide Transition - A transition ( | 2014-09-18 |
20140266494 | INTEGRATION OF A REPLICA CIRCUIT AND A TRANSFORMER ABOVE A DIELECTRIC SUBSTRATE - A particular device includes a replica circuit disposed above a dielectric substrate. The replica circuit includes a thin film transistor (TFT) configured to function as a variable capacitor or a variable resistor. The device further includes a transformer disposed above the dielectric substrate and coupled to the replica circuit. The transformer is configured facilitate an impedance match between the replica circuit and an antenna. | 2014-09-18 |
20140266495 | HIGH FREQUENCY POWER AMPLIFIER - A high frequency power amplifier includes an FET chip, a wire connected at a first end to the FET chip, an input-side matching circuit substrate, a resistive element on the input-side matching circuit substrate and connected in series with the FET chip, a transmission portion of a conductive material on the input-side matching circuit substrate, in contact with one end of the resistive element, and connected to an input electrode, a wire connection portion of a conductive material on the input-side matching circuit substrate, in contact with a second end of the resistive element, and connected to a second end of the wire, and a shorting portion of a conductive material having a smaller width than the resistive element and on the resistive element, connecting the transmission portion to the wire connection portion. | 2014-09-18 |
20140266496 | MICROWAVE CONNECTOR WITH FILTERING PROPERTIES - A microwave connector is provided. The microwave connector includes an outer conductor, an inner conductor disposed within the outer conductor and dielectric materials interposed between the outer conductor and the inner conductor, the dielectric materials including a non-dissipative dielectric material and a dissipative dielectric material. | 2014-09-18 |
20140266497 | AC COUPLING CIRCUIT WITH HYBRID SWITCHES AND CONSTANT LOAD - A coupling apparatus having plurality of branches and a resistive element is disclosed. Each branch may be configured to couple at least one of (i) a first input node and (ii) a second input node to a first output node through a plurality of switches and a plurality of capacitors. The resistive element generally connects the first output node to a second output node. The first output node may be loaded by a respective parasitic capacitance of at least one of the switches. | 2014-09-18 |
20140266498 | TRANSFER DEVICE FOR MICROWAVE SIGNALS - A transfer device for microwave signals is presented. The transfer device comprises a housing defining a cavity therein, input ports and output ports defined on walls of the housing and a translatably displaceable waveguide structure positioned within the cavity and including at least two selectable functional segments. In use the translatably displaceable waveguide structure is displaced within the cavity to apply a selected function, such as a switching function and/or a combining function, to microwave signals propagating between the input ports and the output ports. Optionally, the transfer device may include multiple stacked translatably displaceable waveguide structures which can be independently displaced within the housing to apply a desired function to the microwave signals propagating between the input ports and the output ports. A method of using such transfer device is also presented. | 2014-09-18 |
20140266499 | ADJUSTABLE DIRECTIONAL COUPLER CIRCUIT - An adjustable directional coupler circuit includes a directional coupler and a correction circuit. The directional coupler includes a first port for receiving an input signal; a second port for outputting the input signal to a load; a third port for outputting a first coupled signal including a desired first coupled signal proportional to forward power of the input signal and an extraneous first coupled signal proportional to reverse power of a reflected signal; and a fourth port for outputting a second coupled signal including a desired second coupled signal proportional to the reverse power and an extraneous second coupled signal proportional to the forward power. The correction circuit adjusts magnitude and phase of a sample of the second coupled signal to provide an adjusted second coupled signal, and to sum the adjusted second coupled signal and the first coupled signal to cancel the extraneous first coupled signal. | 2014-09-18 |
20140266500 | Integrated Circuit for Transmitting and Receiving an RF Signal - An integrated circuit, comprising a single-ended pin for transmitting and/or receiving an RF signal. A first matching network is configured to match an impedance of the RF signal. A second matching network is configured to match an impedance of an on-chip differential circuit. A third matching network is configured to match an impedance of an on-chip single-ended circuit, wherein the third matching network is connectable to the first matching network. A transformer is connected or connectable to the second matching network and to the first matching network. Switches control an operating mode of the integrated circuit The second matching network is connected with the first matching network via the transformer, or the third matching network is connected with the first matching network. | 2014-09-18 |
20140266501 | TRANSMISSION LINE HAVING VARIABLE CHARACTERISTIC IMPEDANCE - Discloses are a transmission line having variable characteristic impedance and a combiner configured to combine a plurality of filter by use of the transmission line. The transmission line in accordance with an embodiment of the present invention includes: a first filter junction being connected with a first RF filter and configured to obtain an output signal of the first RF filter; a second filter junction being connected with a second RF filter and configured to obtain an output signal of the second RF filter; a first variable impedance section in which a phase of the output signal of the first RF filter is matched with a preset phase; and a second variable impedance section in which a phase of the output signal of the second RF filter is matched with the preset phase. | 2014-09-18 |
20140266502 | PASSIVE RADIO FREQUENCY SIGNAL HANDLER - A multi-stage signal handling circuit. Operating as a combiner or splitter, first stage transformers match low input impedance at a first set of differential terminals, and second stage transformers match expected higher impedance at second terminal(s). Transformer windings are mirror image, vertically aligned, meandering conductive tracks disposed on opposite sides of a PCB. Air columns above or below the conductive tracks reduce ground plane effects. A capacitor provided across the differential input terminals of each transformer is chosen to further match the power amplifier output, including consideration of inherent inductance presented by the circuit tracks and vias between transformer sections. | 2014-09-18 |
20140266503 | SPIRAL SURFACE ELECTROMAGNETIC WAVE DISPERSIVE DELAY LINE - Dispersive properties of a linear dispersive delay line are retained in a spiral configuration by constraining the radius of curvature depending on a desired propagation mode. The compact form factor spiral can be either a continuous spiral or a piecewise linear approximation. The spiral comprises a highly dielectric waveguide such as titanium dioxide or barium tetratitanate. Preferably, a spacer with a low dielectric constant and a microstrip are disposed on the top surface. The microstrip prevents attenuation of low frequencies, thereby increasing the operating frequency range. A second dielectric spacer and a second microstrip can be deposited on the bottom surface of the waveguide. Alternatively, the bottom surface of the waveguide can face a ground plane. The waveguide can be fed by horns or half-horns. | 2014-09-18 |
20140266504 | WIDE-BAND COMMON MODE FILTERING APPARATUS - A wide-band common mode filtering apparatus includes at least two cascaded common mode filters with different noise-filtering responses, wherein the cut-off frequency of the wide-band common mode filtering apparatus is at the lowest cut-off frequency of the common mode filters, and the noise-filtering response of the wide-band common mode filtering apparatus is the superposition of the noise-filtering responses of the common mode filters. In one embodiment of the present invention, the wide-band common mode filtering apparatus includes a first common mode filter having a first filtering band, and a second common mode filter having a second filtering band different from the first filtering band. The disclosure of the present technique allows the cascaded common mode filters with different filtering bands to form the wide-band common mode filtering apparatus having an overall filtering band to meeting a new demand. | 2014-09-18 |
20140266505 | DEVICE FOR EMC FILTERING ON A PRINTED CIRCUIT - An EMC filtering device comprises a printed circuit comprising at least two parallel layers of a high-permittivity material, which are positioned between two layers of an insulating material that are parallel to one another and to the high-permittivity material layers. A core made of a magnetic material comprises three cylindrical arms passing perpendicularly through the high-permittivity and insulating material layers. At least two windings winding around the first arm of the magnetic material core, the windings and the first arm forming a first coil. At least two windings winding around the second arm of the magnetic material core, the windings and the second arm forming a second coil. The two coils being coupled coils. | 2014-09-18 |
20140266506 | Transformer Filter Arrangement - A transformer filter arrangement ( | 2014-09-18 |
20140266507 | POWER SUPPLY SYSTEMS WITH FILTERS - A filter for a power supply includes at least two inputs, at least two outputs, and a common mode choke coupled between the at least two inputs and the at least two outputs. Each input includes a pair of input terminals and each output includes a pair of output terminals. The common mode choke includes a magnetic core and at least four windings extending about the magnetic core. Each winding is coupled between one of the input terminals and one of the output terminals. The filter may further include X-capacitors coupled between the at least two inputs and the at least two outputs. Also disclosed are power supply systems including one or more power supplies and a filter coupled to the power supplies. | 2014-09-18 |
20140266508 | BANDPASS FILTER IMPLEMENTATION ON A SINGLE LAYER USING SPIRAL CAPACITORS - A planar capacitor includes, in part, a first metal line forming spiral-shaped loops around one of its end point, and a second metal line forming spiral-shaped loops between the loops of the first metal line. The first and second metal lines are coplanar, formed on an insulating layer, and form the first and second plates of the planar capacitor. The planar capacitor may be used to form a filter. Such a filter includes a first metal line forming first spiral-shaped loops, a second metal line forming second spiral-shaped loops, and a third metal line—coplanar with the first and second metal lines—forming loops between the loops of the first and second metal lines. The filter further includes a first inductor coupled between the first and third metal lines, and a second inductor coupled between the second and third metal lines. | 2014-09-18 |
20140266509 | ROTATIONAL MEMS RESONATOR FOR OSCILLATOR APPLICATIONS - An apparatus includes a microelectromechanical system (MEMS) device. The MEMS device includes a resonator suspended from a substrate, an anchor disposed at a center of the resonator, a plurality of suspended beams radiating between the anchor and the resonator, a plurality of first electrodes disposed about the anchor, and a plurality of second electrodes disposed about the anchor. The plurality of first electrodes and the resonator form a first electrostatic transducer. The plurality of second electrodes and the resonator form a second electrostatic transducer. The first electrostatic transducer and the second electrostatic transducer are configured to sustain rotational vibrations of the resonator at a predetermined frequency about an axis through the center of the resonator and orthogonal to a plane of the substrate in response to a signal on the first electrode. | 2014-09-18 |
20140266510 | MICROWAVE ACOUSTIC WAVE FILTERS - An acoustic microwave filter comprises an input and an output, and a plurality of acoustic resonators coupled between the input and the output. The difference between the lowest resonant frequency and the highest resonant frequency of a plurality of resonators in the filter is at least 1.25 times the frequency separation of the resonator with the highest resonant frequency in the plurality of resonators. Another acoustic microwave filter comprises an input and an output, and a plurality of acoustic resonators coupled between the input and the output to form a passband. The frequency difference between a local minimum or a local maximum of a return loss magnitude of the acoustic microwave filter and the edge of the passband is at least once the frequency separation of the resonator with the highest resonant frequency. | 2014-09-18 |
20140266511 | NETWORK SYNTHESIS DESIGN OF MICROWAVE ACOUSTIC WAVE FILTERS - Methods for the design of microwave filters comprises comprising preferably the steps of inputting a first set of filter requirements, inputting a selection of circuit element types, inputting a selection of lossless circuit response variables, calculating normalized circuit element values based on the input parameters, and generate a first circuit, insert parasitic effects to the normalized circuit element values of the first circuit, and output at least the first circuit including the post-parasitic effect circuit values. Additional optional steps include: requirements to a normalized design space, performing an equivalent circuit transformation, unmapping the circuit to a real design space, performing a survey, and element removal optimization. Computer implement software, systems, and microwave filters designed in accordance with the method are included. | 2014-09-18 |
20140266512 | CMOS BAND-PASS FILTER - A band-pass filter is provided that is configured to output a signal with a frequency within a desired frequency range and to attenuate signals with frequencies outside the desired frequency range. The band-pass filter comprises a CMOS resonator that comprises a resonator cavity and a reflector. The band-pass filter also comprises an impedance convertor that is configured to inhibit at least some insertion losses on the band-pass filter. The band-pass filter also comprises a variable capacitor that is connected between the CMOS resonator and the impedance convertor. The desired frequency range of the band-pass filter can be tuned by adjusting the capacitance of the variable capacitor. | 2014-09-18 |
20140266513 | COAXIAL TRANSMISSION LINE SLOT FILTER WITH ABSORPTIVE MATRIX - A filter is provided and includes potting material formed into a body defining a through-hole. The body includes first and second opposing faces and a sidewall extending between the first and second opposing faces. The sidewall is formed to define first and second openings at opposite ends of the through-hole, first angles at an interface between the sidewall and the first face and second angles, which complement the first angles, at an interface between the sidewall and the second face. | 2014-09-18 |
20140266514 | Dielectric Waveguide Filter with Direct Coupling and Alternative Cross-Coupling - A dielectric waveguide filter which, in one embodiment, is comprised of a plurality of monoblocks coupled together in a side-by-side relationship. In one embodiment, the waveguide filter includes two end monoblocks and two interior monoblocks each defining two resonators. First and second RF signal input/output electrodes are defined on the two end monoblocks. In one embodiment, a direct RF signal transmission path is defined in part by the combination of the resonators, RF signal transmission bridges on each of the monoblocks that interconnect the resonators on each of the monoblocks, and RF signal transmission windows between and interconnecting the resonators of adjacent monoblocks. In one embodiment, alternate or cross-coupling RF signal transmission paths are defined by external RF signal transmission lines that extend between adjacent monoblocks. | 2014-09-18 |
20140266515 | Coaxial Waveguide Microstructures Having an Active Device and Methods of Formation Thereof - Provided are coaxial waveguide microstructures. The microstructures include a substrate and a coaxial waveguide disposed above the substrate. The coaxial waveguide includes: a center conductor; an outer conductor including one or more walls, spaced apart from and disposed around the center conductor; one or more dielectric support members for supporting the center conductor in contact with the center conductor and enclosed within the outer conductor; and a core volume between the center conductor and the outer conductor, wherein the core volume is under vacuum or in a gas state. Also provided are methods of forming coaxial waveguide microstructures by a sequential build process and hermetic packages which include a coaxial waveguide microstructure. | 2014-09-18 |
20140266516 | DIFFERENTIAL PASSIVE EQUALIZER - Disclosed in the present specification is a circuit board. The circuit board includes a first reference plane and a second reference plane, wherein the second reference plane includes a defected ground structure. The circuit board also includes a signal trace coupled to a signal via, wherein the signal trace is disposed above the first reference plane. The circuit board additionally includes a spiral inductor positioned adjacent to the defected ground structure, wherein the spiral inductor is coupled to the signal via. | 2014-09-18 |
20140266517 | RADIO FREQUENCY SWITCH AND PROCESSES OF SELECTIVELY REGULATING RADIO FREQUENCY ENERGY TRANSMISSION - Provided are radio frequency electromagnetic energy switches and processes of regulating the transmission of RF energy, that for the first time successfully employ a ChG PCM as a RF switching material. An inventive switch includes: a substrate; a first radio frequency energy conductive element on the substrate; a second radio frequency energy conductive element on the substrate; and a switch element on the substrate and connecting the first conductive element to the second conductive element, the switch element including a switching material; the switching material including a chalcogenide compound switchable between a first radio frequency electromagnetic energy conductivity value and a second radio frequency electromagnetic energy conductivity value by application of an activation energy to the switching material, such that radio frequency electromagnetic energy flowing in the first conductive element is either reflected off the switching material or transmitted through the switching material to the second conductive element. | 2014-09-18 |
20140266518 | Step Attenuator with Constant Input Capacitance - A step attenuator with constant input capacitance and having good performance is disclosed. In an exemplary design, an apparatus includes a step attenuator having a constant input capacitance for different amounts of attenuation. The step attenuator receives an input signal, provides a variable amount of attenuation for the input signal, and provides an output signal. The step attenuator may include a plurality of attenuator sections coupled in series. Each attenuator section may include a plurality of capacitors and may have the constant input capacitance. At least one of the plurality of attenuator sections may be selected or unselected to obtain a selected amount of attenuation for the step attenuator. An attenuator section may provide a predetermined amount of attenuation or a variable amount of attenuation when selected. The apparatus may further include a power detector that receives and determines the power of the output signal from the step attenuator. | 2014-09-18 |
20140266519 | ELECTRONIC TRIP UNIT, CIRCUIT INTERRUPTER INCLUDING THE SAME, AND METHOD OF SETTING TRIP UNIT SETTINGS - An electronic trip unit having a number of trip unit settings includes: a first input member; a second input member; a multi-position selector configured to select one of plurality of positions corresponding to values of the trip unit settings; a plurality of indicators each corresponding to one of the plurality of trip unit settings; and a processor having a routine, wherein the routine of the processor is structured to, in response to actuation of the first input member, increment a ring counter value and selectively activate one of the indicators corresponding to the ring counter value; and wherein the routine of the processor is further structured to, in response to actuation of the second input member, set a value of the trip unit setting corresponding to the activated indicator based on the selected position of the multi-position selector. | 2014-09-18 |
20140266520 | TRIP ACTUATOR FOR SWITCH OF ELECTRIC POWER CIRCUIT - The present disclosure relates to a small-sized trip actuator for a switch of an electric power circuit, capable of triggering a switching mechanism to a circuit opening position at fast speed by minimizing a delay of time, the trip actuator including a main driving unit configured by a solenoid actuator comprises an output pin which is linearly movable, and a sub driving unit configured by a Thomson drive unit comprises a repulsive plate connected to the output pin, and a Thomson coil causing the repulsive plate to be repulsively moved when a current flows therethrough, such that the output pin is linearly moved, the sub driving unit operating to linearly move the output pin, before the main driving unit operates, upon opening the electric power circuit. | 2014-09-18 |
20140266521 | MULTIPOLE ELECTROMECHANICAL SWITCHING DEVICE - A method and apparatus using electromagnetic switching in a two-step connection process is provided to minimize surge currents and torque oscillations in three-phase motors during starts. | 2014-09-18 |
20140266522 | CONTACT MECHANISM AND ELECTROMAGNETIC CONTACTOR USING SAME - A contact mechanism is capable of, without enlarging the entire configuration thereof, preventing the generation of an electromagnetic repulsion that opens a movable contact upon application of a current, and also provides an electromagnetic contactor that uses this contact mechanism. A contact mechanism has a fixed contact and a movable contact that are inserted in a current-carrying path. In the contact mechanism, the fixed contact or the movable contact is formed into an L-shape or a U-shape so as to generate a Lorentz force that acts against an electromagnetic repulsion in an opening direction, which is generated between the fixed contact and the movable contact upon application of a current. | 2014-09-18 |
20140266523 | Superconducting Levitation Surfaces - Apparatus, consisting of a substrate and planar tapes which have respective mutually-opposing first and second faces. The tapes have edges connecting the faces, and each tape has a superconducting material on at least the first face thereof. The tapes may be arranged on the substrate so as to define at least a first set of at least one of the planar tapes overlying a surface of the substrate so that the edges of adjacent sections of the tapes in the first set butt together along a first direction over the surface. The tapes may also be arranged so that a second set of at least another one of the planar tapes overly the first set so that the edges of adjacent sections of the tapes in the second set butt together along a second direction that is different from the first direction. | 2014-09-18 |
20140266524 | METHOD FOR PRODUCING BI-POLAR COMPLEMENTARY STRUCTURE PATTERNS - The embodiments disclose a method including creating at least one first structure including magnetically isolated features in servo fields, and creating at least one second structure including finger-structure patterns including intentional weak nucleation points in servo fields to create a regular bi-polar magnetization direction after bulk DC initialization, and wherein the first and second structures form bi-polar complementary structure patterns. | 2014-09-18 |
20140266525 | R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE R-T-B-BASED RARE EARTH MAGNET PARTICLES, AND BONDED MAGNET - An object of the present invention is to enhance a coercive force of magnetic particles by promoting formation of a continuous R-rich grain boundary phase in a crystal grain boundary of a magnetic phase of the particles, and to thereby obtain R-T-B-based rare earth magnet particles further having a high residual magnetic flux density. The present invention relates to production of R-T-B-based rare earth magnet particles capable of exhibiting a high coercive force even when a content of Al therein is reduced, and a high residual magnetic flux density, in which formation of an R-rich grain boundary phase therein can be promoted by heat-treating Al-containing R-T-B-based rare earth magnet particles obtained by HDDR treatment in vacuum or in an Ar atmosphere at a temperature of not lower than 670° C. and not higher than 820° C. for a period of not less than 30 min and not more than 300 min. | 2014-09-18 |
20140266526 | METHOD FOR MAKING AND USING MAGNETIC STRUCTURES IN SEMI-FLEXIBLE MATERIAL - A semi-flexible magnetic structure includes a flexible layer and a plurality of magnetizable elements adhered to the flexible layer such that there is a spacing between magnetizable elements of the plurality of magnetizable elements, where each magnetizable element of said plurality of magnetizable elements is a solid piece of magnetizable material. The spacing between magnetizable elements enables the semi-flexible magnetic structure to bend around an object. The semi-flexible magnetic structure can be being magnetized to have a plurality of magnetic sources in a polarity pattern. | 2014-09-18 |
20140266527 | INDUCTOR ASSEMBLY SUPPORT STRUCTURE - A vehicle is provided with a transmission and an inductor assembly that is mounted within a chamber of the transmission. The inductor assembly includes a coil, a core and an insulator having first and second portions that are oriented toward each other. Each portion includes a base, a support extending from the base, and a spool extending transversely from the support to engage the other portion. Each spool includes an external surface for supporting the coil and a cavity extending therethrough for receiving the core. | 2014-09-18 |
20140266528 | STRUCTURE OF TRANSFORMER - An improved structure of transformer includes a lead frame main body ( | 2014-09-18 |
20140266529 | DEPRESSURIZATION SYSTEM FOR AN ELECTRICAL TRANSFORMER - A depressurization system for an electrical transformer includes a pressure release assembly configured to be in fluid communication with a chamber of the electrical transformer. The pressure release assembly includes a rupture pin valve. The system may include an evacuation assembly having a blast chamber. The rupture pin valve includes a pin configured to buckle in response to a predetermined pressure applied to a surface of the rupture pin valve. | 2014-09-18 |
20140266530 | INTEGRATED MAGNETIC ASSEMBLIES AND METHODS OF ASSEMBLING SAME - An integrated magnetic assembly includes a magnetic core, an input winding inductively coupled to the magnetic core, a first output winding inductively coupled to the magnetic core, and a second output winding inductively coupled to the magnetic core. The magnetic core includes first and second non-winding legs, and first and second winding legs. The first and second non-winding legs are spaced apart from one another, and the magnetic core defines an opening between the first and second non-winding legs. The input winding extends through the opening between the first and second non-winding legs, and is wound around each of the first and second winding legs. The first output winding is wound around the first winding leg. The second output winding is wound around the second winding leg. | 2014-09-18 |
20140266531 | WEAKLY COUPLED BASED HARMONIC REJECTION FILTER FOR FEEDBACK LINEARIZATION POWER AMPLIFIER - Radio frequency (RF) filters configured to filter undesired signal components (e.g., noise and harmonics) from RF signals are disclosed. In one embodiment, an RF filter includes a first inductor coil having a first winding and a second inductor coil having a second winding and a third winding. The second winding of the second inductor coil is configured to have a first mutual magnetic coupling with the first winding, while the third winding of the second inductor coil is configured to have a second mutual magnetic coupling with the first winding. The second winding is connected to the third winding such that the first mutual magnetic coupling and the second mutual magnetic coupling are in opposition. In this manner, the first inductor coil and the second inductor coil may be provided in a compact arrangement while providing weak mutual magnetic coupling between the first inductor coil and the second inductor coil. | 2014-09-18 |
20140266532 | LINE, SPIRAL INDUCTOR, MEANDER INDUCTOR, AND SOLENOID COIL - According to one embodiment, a line is provided. The line includes a center conductor and a covering portion. The covering portion covers the center conductor. The covering portion includes at least one layer that is made of a soft magnetic material and is thinner than a skin depth at a frequency where supply of a signal or power is performed. | 2014-09-18 |
20140266533 | ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF - An electronic device comprising a first magnetic powder; a second magnetic powder, wherein the mean particle diameter of the first magnetic powder is larger than the mean particle diameter of the second magnetic powder, wherein the ratio of the mean particle diameter of the first magnetic powder to the mean particle diameter of the second magnetic powder is greater than 2, and the first magnetic powder mixes with the second magnetic powder; and a conducting wire buried in the mixture of the first magnetic powder and the second magnetic powder; wherein the mixture of the first magnetic powder and the second magnetic powder and the conducting wire buried therein are combined to form an integral magnetic body at a temperature lower than the melting point of conducting wire. | 2014-09-18 |
20140266534 | TRANSFORMER - There is provided a transformer including an E shaped and two I shaped magnetic cores and a first, second and third windings, wherein: one I shaped magnetic core is located between one side and a middle legs of the E shaped magnetic core, another is located between another side and the middle legs; there is an air gap on each of the two I shaped magnetic cores or two side or bottom legs of the E shaped magnetic core, the first winding is wound on a part of the magnetic cores where the air gap exists; the second and third windings are wound on the middle leg; and the first winding is connected in parallel with the second winding to constitute a primary winding; the third winding is a secondary winding. With the transformer provided by the invention, transformer winding loss can be reduced, and transformer efficiency can be improved. | 2014-09-18 |
20140266535 | LOW LOSS INDUCTOR WITH OFFSET GAP AND WINDINGS - A low loss power inductor and method for making same. A magnetic core is constructed of one or more E-shaped and l-shaped portions. Each E-shaped portion includes top, middle and bottom bars, and an open edge adjacent an l-shaped portion with a gap between the middle bar and the l-shaped portion. Conductive and insulated layers having mutually adjacent surfaces are coiled about the one or more middle bars. The width of the conductive layer is no greater than the length of the middle bars and is less than or equal to the width of the insulated layer. | 2014-09-18 |
20140266536 | FERRITE CORE WINDING STRUCTURE WITH HIGH FREQUENCY RESPONSE - The present invention provides a ferrite core winding structure with high frequency response, which comprises: a ferrite core formed with at least a penetrated hole, a first enamel wire formed with a first end and a second end, and a second enamel wire formed with a first end and a second end; wherein, the first end of the first enamel wire and the first end of the second enamel wire are mutually twisted for at least one turn and then jointly passed the penetrated hole, the second end of the first enamel wire and the second end of the second enamel wire are jointly encircled the ferrite core then passed the penetrated hole, the second end of the first enamel wire is respectively encircled the ferrite core for at least one turn at two sides of the winding formed by the first end of the first enamel wire, then the second end of the first enamel wire and the first end of the second enamel wire are twisted for plural turns at the outer side of the ferrite core thereby forming a common end. | 2014-09-18 |
20140266537 | ELECTRONIC COMPONENT FOR GUIDING A MAGNETIC FIELD - An electronic component for guiding a magnetic field comprises a core ( | 2014-09-18 |
20140266538 | LAMINATED INDUCTOR AND ARRAY THEREOF - There is provided a laminated inductor including: a body having a plurality of sheets laminated in a width direction, and having first and second main surfaces in a thickness direction, third and fourth end surfaces in a length direction, and fifth and sixth side surfaces in the width direction; a first connection electrode formed on the first main surface of the body; first and second terminal electrodes formed on the second main surface of the body to be spaced apart from one another; a plurality of first internal conductive patterns connecting the first connection electrode and the first terminal electrode; and at least one or more second internal conductive patterns connecting the first connection electrode and the second terminal electrode. | 2014-09-18 |
20140266539 | MAGNETIC COMPONENT ASSEMBLY WITH FILLED PHYSICAL GAP - Magnetic component assemblies for circuit boards include single, shaped magnetic core pieces formed with a physical gap and conductive windings assembled to the cores via the gaps. The physical gaps in the cores are filled with a magnetic material to enhance the magnetic performance. The magnetic component assemblies may define power inductors. | 2014-09-18 |
20140266540 | STRUCTURE OF TRANSFORMER'S LEAD FRAME - An improved structure of transformer's lead frame includes at least a lead frame module consisting of a lead frame main body and a lead frame cover, the lead frame main body has a through hole furnished at the center thereof; a bobbin formed at the side of the circumference of the through hole, and a pair of oppositely configured and reversely salient extension parts furnished at sides of the circumference of the through hole, each of the extension parts is combined to the mid-section of the wire connecting seats that have a plurality of wire connecting posts, a plurality of clip indentations are furnished at intervals and at the mid-section of the edge of the two sides of the corresponding extension parts and at the positions covered by the width of the corresponding extension parts. | 2014-09-18 |
20140266541 | ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT - An electronic component includes a magnetic core member, a winding and a magnetic exterior body. The magnetic core member has a flat base and a core. The flat base has a top surface, a bottom surface, a first side surface and a second side surface opposite to the first side surface. The core is located on the top surface of the flat base. A winding has an edgewise coil and two non-wound flat wires that extend from the edgewise coil. A magnetic exterior body covers at least the core and the edgewise coil. The two non-wound flat wires continuously extend along the top surface, the first side surface, the bottom surface and the second side surface of the flat base in this order. The two non-wound flat wires located on the bottom surface work as electrodes. | 2014-09-18 |
20140266542 | Programmable Inductor - A system and method for providing and programming a programmable inductor is provided. The structure of the programmable inductor includes multiple turns, with programmable interconnects incorporated at various points around the turns to provide a desired isolation of the turns during programming. In an embodiment the programming may be controlled using the size of the vias, the number of vias, or the shapes of the interconnects. | 2014-09-18 |
20140266543 | INDUCTOR AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to an inductor. An inductor in accordance with an embodiment of the present invention includes: a core substrate having a conductive pattern on the surface and a magnetic layer for covering the core substrate not to expose the conductive pattern, wherein the magnetic layer is made of a metal-polymer composite and has a multilayer structure. | 2014-09-18 |
20140266544 | HIGH Q FACTOR INDUCTOR STRUCTURE - The present disclosure provides a vertical inductor structure in which the magnetic field is closed such that the magnetic field of the vertical inductor structure is cancelled in the design direction outside the vertical inductor structure, yielding a small, or substantially zero, coupling factor of the vertical inductor structure. In one embodiment, several vertical inductor structures of the present disclosure can be placed in close proximity to create small resonant circuits and filter chains. | 2014-09-18 |
20140266545 | COMMON MODE CHOKE COIL - A common mode choke coil exhibiting greater reliability against moisture load includes a nonmagnetic layer made of glass, magnetic layers placed in a manner sandwiching the nonmagnetic layer, and two or more coil conductors embedded in a base material constituted by the nonmagnetic layer and magnetic layers, wherein Mg segregation is present in the nonmagnetic layer and the Mg segregation accounts for 0.5 to 16 percent of the total area as observed on an electron micrograph of a section of the nonmagnetic layer, while the size of Mg segregation is preferably 0.2 to 10 μm. | 2014-09-18 |
20140266546 | High Density Packaging for Efficient Power Processing with a Magnetic Part - A package comprises a substrate with a plurality of metal tracks, a via hole formed in the substrate, wherein the sidewall of the via hole is partially plated and the via hole is filled with a magnetic material, and a first winding magnetically coupled to the via hole. | 2014-09-18 |
20140266547 | ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF - An electronic component includes a first conductor layer including a first conductor pattern P | 2014-09-18 |
20140266548 | SHEET FORMED INDUCTIVE WINDING - Systems and methods for creating an inductive element are disclosed. Multiple partial windings may be created relative to a core, where each of the partial windings is initially discontinuous. Multiple printed conductors may be created on a substrate, where the multiple printed conductors are arranged to electrically connect the multiple partial windings. The multiple partial windings may be electrically connected to the multiple printed conductors to create a complete winding around the core. | 2014-09-18 |
20140266549 | PRINTED CIRCUIT BOARD PACKAGE STRUCTURE AND MANUFACTURING METHOD THEREOF - A printed circuit board package structure includes a substrate having a first surface and a second surface, a ring-shaped magnetic element, an adhesive layer, conductive portions and conductive channels. The first and second surfaces respectively have first and second metal portions. A ring-shaped concave portion is formed on a position not covered by the first metal portions of the first surface. The ring-shaped magnetic element is placed in the ring-shaped concave portion. The adhesive layer covers the first metal portions and the ring-shaped magnetic element. The conductive portions are formed on the adhesive layer. The conductive channels penetrate the conductive portions, the adhesive layer, and the substrate, and are respectively located in an inner wall and outside an outer wall of the ring-shaped concave portion. Each of the conductive channels includes a conductive film electrically connects to the aligned conductive portion and second metal portion. | 2014-09-18 |
20140266550 | SOLDERABLE PLANAR MAGNETIC COMPONENTS - An inductive component having a printed circuit board (“PCB”) with a first side and a second side. An aperture extends through the PCB and a conductive winding is printed onto the PCB surrounding the aperture. A core is formed by a first core member and a second core member. The first core member includes a first base member with at least one joining surface which is solderable to the first side. A first core leg extends at least partially through the aperture. The second core member includes at least a second base member and is coupled to the first core member or the second side. To manufacture the PCB, the first core member is soldered to the first side and then the PCB is inverted. The second core member is then coupled to at least one of the first core member or the second side. | 2014-09-18 |
20140266551 | STACK-TYPE INDUCTOR ELEMENT AND METHOD OF MANUFACTURING THE SAME - A stack-type inductor element includes a stack including a magnetic element layer, a coil-shaped conductor pattern provided in the stack, a plurality of first pad electrodes provided on one main surface of the stack, and a plurality of second pad electrodes provided on the other main surface of the stack and symmetric to the plurality of first pad electrodes. The stack is rectangular or substantially rectangular when viewed in a direction of stack of the stack. A first end and a second end of the coil-shaped conductor pattern are electrically connected to two of the plurality of first pad electrodes, respectively, and the plurality of second pad electrodes are all electrically open. | 2014-09-18 |
20140266552 | INTEGRATED INDUCTOR ASSEMBLIES AND METHODS OF ASSEMBLING SAME - An integrated inductor assembly is provided. The integrated inductor assembly includes a magnetic core, a first inductor, and a second inductor. The magnetic core has a first side, an opposing second side, and an opening defined within the magnetic core. The opening extends into the magnetic core from at least one of the first side and the second side. The first inductor includes a first conductive winding inductively coupled to the magnetic core. The first conductive winding includes a first shorting segment positioned within the opening. The second inductor includes a second conductive winding inductively coupled to the magnetic core. The second conductive winding includes a second shorting segment positioned within the opening. The first and second inductors are configurable to operate independently of one another. | 2014-09-18 |
20140266553 | BOBBIN AND MAGNETIC MECHANISM USING THE SAME - A magnetic mechanism is disclosed, which includes a bobbing, a first and a second magnetic core and a winding coil. The bobbing includes a main body and a base member. The first and second magnetic cores are disposed on two opposite sides of the main body, and the winding coil is wound on a wire-winding portion of the main body and is threaded through a guiding hole of the base, wherein the guiding hole is away from the wire-winding portion in comparison with the outer most edge of the main body. | 2014-09-18 |
20140266554 | TRANSFORMER MODULE FOR ELECTRIC VEHICLE - A transformer module for an electric vehicle is provided. The transformer module includes a bobbin round which a primary-side coil is wound, a printed circuit board, and a secondary-side bus bar disposed between the bobbin and the printed circuit board, wherein a pattern part formed of an electrically conductive material to contact the bus bar is provided on the printed circuit board to electrically connect the pattern part to the bus bar in parallel. | 2014-09-18 |
20140266555 | MAGNETIC COMPONENT ASSEMBLY WITH FILLED GAP - Magnetic component assemblies for circuit boards include magnetic cores formed with a gap and preformed conductive windings sliding assembled to the cores via the gaps. The gaps in the cores are filled with a magnetic material to enhance the magnetic performance. The magnetic component assemblies may define power inductors. | 2014-09-18 |
20140266556 | CORE TUBE FOR A TRANSFORMER AND AN ASSOCIATED METHOD THEREOF - A core tube for a transformer is disclosed. The core tube includes a first half portion and a second half portion. The first half portion includes a first side portion, a first joining portion, and a second side portion. The first side portion is coupled to the second side portion via the first joining portion. The first side portion is longer than the second side portion or vice versa. The second half portion includes a third side portion, a second joining portion, and a fourth side portion. The third side portion is coupled to the fourth side portion via the second joining portion. The third side portion is longer than the fourth side portion or vice versa. The first half portion is coupled to the second half portion in an interleaved manner. | 2014-09-18 |
20140266557 | Inherently Balanced Phase Shifting AutoTransformer - A device and method of use for a phase shifting autotransformer is disclosed which has inherently balanced impedance characteristics. This is achieved by having the coil windings structured such that the following two requirements are met. Equivalent winding sections must have essentially equal lengths, occupy equal radial volumes and therefore exhibit equal resistances. Secondly, semi-bifilar or full-bifilar construction ensures that the inductances generated in each section essentially cancel each other out, minimizing the reactive component of the impedance such that it can be dominated by the resistive component in operation. As a result of these two design elements, the 5th and 7th harmonics that dominate 6-pulse systems can be attenuated much more effectively than was previously possible, improving both the overall performance of the phase shifting autotransformer itself, as well as its associate system. | 2014-09-18 |
20140266558 | INTEGRATED MAGNETIC ASSEMBLIES AND METHODS OF ASSEMBLING SAME - A magnetic core is provided. The magnetic core includes a magnetic base and a magnetic plate. The magnetic base includes a first U-core, a second U-core, and a spacing member. The first U-core has a relatively high magnetic permeability, and includes a first surface having a first winding channel defined therein. The second U-core has a relatively high magnetic permeability, and includes a second surface having a second winding channel defined therein. The first and second surfaces are substantially coplanar with one another. The spacing member is connected to the first and second U-cores such that a gap having a relatively low magnetic permeability is formed between the first and second U-cores. The magnetic plate is coupled to the magnetic base such that the magnetic plate substantially covers the first and second surfaces. | 2014-09-18 |
20140266559 | STRUCTURE OF TRANSFORMER'S IRON CORE - An improved structure of transformer's iron core mainly has an iron core main body, having a salient main core part with a rectangular horizontal cross-section, furnished at the center part thereof. The main core part has a pair of oppositely configured side wing parts furnished at the outside thereof. A containing circumferential channel formed between the main core part and the side wing parts has a pair of oppositely configured side openings making the containing circumferential channel form communicative exits toward the outside through the two side openings. By employing the salient main core part with a rectangular-shaped horizontal cross-section, the invention is capable of forming longer outer circumference to effectively increase the area of the magnetic flux thereof under the premise of same bobbin. Moreover, in association with the relatively larger side openings that are capable of providing lead frame containing in the containing ring-trench to be outwardly connected to a relatively wider wire connecting seats, the invention is capable of satisfying the required specification of multiple wire-drawing. | 2014-09-18 |
20140266560 | MULTI-POLE FUSE-COMBINATION ARRANGEMENT FOR BUSBAR SYSTEMS - The present invention relates to a multi-pole switch-fuse arrangement having at least two switch-fuse units into which one fuse link each can be inserted. The switch-fuse arrangement comprises a switching device for closing and breaking the circuits of all switch-fuse units, the switch-fuse arrangement comprising a switching lever, a housing, a drive rod, and a lever mechanism device for actuating a drive rod. | 2014-09-18 |
20140266561 | MEDIUM VOLTAGE CONTROLLABLE FUSE - An electric fuse, having a first fusible element and a disconnect section electrically connected in series to the first fusible element. The disconnect section is comprised of a first stationary contact, a second stationary contact and a movable contact movable from a first position electrically connecting the first and second stationary contacts to form a conductive path through the disconnect section to a second position electrically separating the first and second stationary contacts from each other and terminating the conductive path through the disconnect section. A retaining element holds the movable contact in the first position, the retaining element operable to release the movable contact from the first position when activated by an electrical (actuation) signal from an external source. | 2014-09-18 |
20140266562 | Integrated Electrical-Switching Mechanical Device Having a Blocked State - An integrated circuit, comprising an electrical-switching mechanical device in a housing having at least one first thermally deformable assembly including a beam held in at least two different locations by at least two arms secured to edges of the housing, the beam and the arms being metallic and situated within the same first metallization level and an electrically conductive body, wherein the said first thermally deformable assembly has at least one first configuration at a first temperature and a second configuration when at least one is at a second temperature different from the first temperature, wherein the beam is at a distance from the body in the first configuration and in contact with the said body and immobilized by the said body in the second configuration and establishing or prohibiting an electrical link passing through the body and through the beam. | 2014-09-18 |
20140266563 | MEDIUM VOLTAGE CONTROLLABLE FUSE - A medium voltage controllable fuse that provides fast activation in response to both low current and high current faults, and at load currents in response to an external condition detected by an external sensing device. The controllable fuse includes a high-current fault interrupting section, a low-current fault interrupting section, and a trigger element responsive to a fuse controller. | 2014-09-18 |