|| List of recent Capacitor-related patents
To improve electric characteristics of an electronic device. An electronic device includes a semiconductor device and a three-terminal capacitor mounted on the upper surface of a mounting substrate, the semiconductor device includes a power supply pad and a ground pad, the power supply pad and the ground pad are electrically connected with a power supply land and a ground land, respectively, and the power supply land and the ground land are allocated to a land line in an outermost periphery of the semiconductor device, then, the power supply land and the ground land are electrically connected to the three-terminal capacitor by wirings formed on the upper surface of the mounting substrate..
Renesas Electronics Corporation
|Plane connected embedded substrate capacitor|
A package substrate is provided that includes a substrate and a capacitor. The substrate comprises a cavity penetrating a core layer and metal layers of the substrate.
|Ac-powered led light engine|
Ac led light engines powered directly from the ac power line contain circuitry of resistors, capacitors, diodes and transistors which enables a single string leds connected to series to efficiently produce light with a relatively low level of flicker as perceived by the human eye. The leds are driven by a current which is alternately capacitively-limited and resistively-limited.
|High voltage converter without auxiliary winding|
The present document relates to driver circuits and/or power converters, e.g. For solid state lighting (ssl) devices, such as light emitting diodes (leds).
Dialog Semiconductor Inc.
|Capacitance amplifying circuit applied to a controller of a power convertor and operation method thereof|
A capacitance amplifying circuit applied to a controller of a power convertor includes a comparison unit and a capacitance amplifying module. The comparison unit receives a feedback voltage corresponding to a load coupled to the power convertor, a dimming signal, and a reference voltage, and outputs a compensation current.
Leadtrend Technology Corp.
|Control system for feedback controlled led driving circuit|
A control system for a feedback controlled led driving circuit, which includes a valley detect regulator unit and a control and feedback unit. The valley detect regulator unit detects a sine-like dc voltage input by a rectification unit, and stores the electric energy in the storage capacitor when the input voltage is lower than a preset valley voltage.
|Headphone driver for attenuating pop and click noises and system on chip having the same|
A headphone driver includes a pre-main amplifier and a main amplifier. The pre-main amplifier receives an input signal from first and second node and outputs the input signal to a third node.
Samsung Electronics Co., Ltd.
|Solid state image pickup device|
A solid state image pickup device is provided that includes a pixel array unit having a plurality of pixels and a signal processing circuit that has a capacitor operatively configured to process a respective signal output from each of the plurality of pixels. The capacitor is operatively configured as a stacked capacitor or a trench capacitor..
|Impedance matching device-integrated network signal processing circuit|
An impedance matching device-integrated network signal processing circuit includes a first connection terminal electrically connected to the network chip, a second connection terminal electrically connected to the network connector, a plurality of circuit paths electrically connected between the first connection terminal and the second connection terminal, a coupling circuit including a plurality of capacitors respectively connected in series to the circuit paths and a plurality of inductors respectively connected in parallel between each two adjacent circuit paths, and a plurality of impedance matching devices respectively electrically connected in series to each two adjacent circuit paths, each impedance matching device including two microstrip coils respectively electrically connected in series to each two adjacent circuit paths between the first connection terminal and respective the inductors to keep the impedance at the motherboard of the computer in balance with the impedance at the network cable, avoiding signal interference and achieving signal transmission stability.. .
Ajoho Enterprise Co., Ltd.
|Transmission apparatus and transmission method|
A transmission apparatus includes a digital amplifier having a plurality of class-d amplifiers connected in parallel to each other, each of the class-d amplifiers including a logic circuit that processes input signals from two input terminals and outputs the input signals to one of two output terminals, according to a selection signal, and including capacitors connected in series to the two output terminals, respectively, a first selection circuit that outputs either an in-phase component or a quadrature component of a transmission signal to the digital amplifier depending on the selection signal, and a second selection circuit that outputs either an in-phase component carrier signal or a quadrature component carrier signal to the digital amplifier depending on the selection signal.. .
Solid-state imaging apparatus and semiconductor device
The present invention provides a small-sized inexpensive solid-state imaging apparatus. A d/a converter included in a successive comparison type a/d converter of the solid-state imaging apparatus includes a multiplexer which selects any of reference voltages vr0 to vr16 and sets it as an analog reference signal when coarse a/d conversion is performed, and which selects reference voltages vr (n−1) to vr (n+2) of the reference voltages vr0 to vr16 when fine a/d conversion is performed, and a capacitor array which generates an analog reference signal, based on the reference voltages vr (n−1) to vr (n+2) when the fine a/d conversion is performed.
Renesas Electronics Corporation
Capacitor array, ad converter and semiconductor device
A capacitor array includes a plural capacitors provided separated at intervals from each other. A first wiring line is connected to the first electrode of each of the plurality of capacitors, and is provided so as to pass through the intervals between the plurality of capacitors.
Fujitsu Semiconductor Limited
Switches for use in rf devices are provided that offer a better balance of power losses and switching times than switches of the prior art. Switches of the present invention comprise a stack of transistors controlled a symmetric bias network.
Embedded multi-terminal capacitor
An embedded multi-terminal capacitor embedded in a substrate cavity includes at least one metal layer patterned into a plurality of power rails and a plurality of ground rails. The substrate includes an external power network..
Apparatus and temperature measurement and/or calibration via resonant peaks in an oscillator
An apparatus and method for a temperature and calibration utilizing resonant frequency peaks in an oscillator. A circuit providing resonant peaks for utilization for temperature measurements comprising a resonator device for providing an oscillating source, a variable gain-bandwidth amplifier in parallel with the crystal/resonator for providing modulation of the gain and/or bandwidth driving the crystal/resonator, and control of resonant peaks for selection for oscillation, a first capacitor electrically coupled to the parallel combination of the input of the variable gain-bandwidth amplifier, and the resonator device for providing charge storage for oscillation, and a second capacitor electrically coupled to parallel combination of the output of the variable gain-bandwidth amplifier, and the resonator device for providing charge storage for oscillation..
Dialog Semiconductor Gmbh
A directional coupler includes: a main line connecting an input port and an output port; a first subline section and a second subline section each of which is formed of a line configured to be electromagnetically coupled to the main line; and a matching circuit provided between the first subline section and the second subline section. The matching circuit includes a first path connecting the first subline section and the second subline section, and a second path connecting the first path and the ground.
Systems and methods for space vector pulse width modulation switching using boot-strap charging circuits
Embodiments relate to systems and methods for space vector pulse width modulation switching using bootstrap charging circuits. Platforms and techniques are provided for controlling a power inverter using space vector pulse width modulation (pwm) operation.
System comprising a control semiconductor switches of an inverter and actuating an inverter
A system, comprising a control regulation system, an inverter, a dc link capacitor, which is coupled to input connections of the inverter, at least one control apparatus, which is coupled to semiconductor switches of a half-bridge of the inverter, wherein the control apparatus is configured to actuate the semiconductor switch on the basis of a control signal from the control regulation system, at least one temperature sensor, which is configured to determine a change in temperature of the semiconductor switches in the half-bridge of the inverter, and a voltage sensor, which is configured to determine the voltage at the dc link capacitor is disclosed.. .
Robert Bosch Gmbh
Non-isolated ac-to-dc converter with fast dep-fet turn on and turn off
Within a non-isolated and efficient ac-to-dc power supply circuit: 1) a dep-fet is turned off to decouple an output voltage vo node from a vr node when a rectifier output signal vr on the vr node is greater than a first predetermined voltage vp and, 2) the dep-fet is enabled to be turned on so that a constant charging current flows from the vr node and onto the vo node when vr is less than vp (provided that vo is less than a second predetermined voltage vo(max) and provided that vr is adequately greater than vo). To speed turn off and on of the dep-fet, gate charge of the dep-fet is removed and is stored in a second capacitor when the dep-fet is to be turned off, and charge from the second capacitor is moved back onto the gate of the dep-fet when the dep-fet is to be turned on..
Electric power conversion apparatus
An electric power conversion apparatus according to an embodiment includes, wherein when a constituent element constituted of a leg in which two switching elements provided with self-arc-extinguishing capability are connected in series, and a capacitor connected in parallel with the leg is made a converter unit, and a constituent element formed by connecting one or more converter units in series is made a phase arm, a phase arm on the positive side, a single-phase four-winding transformer, and a phase arm on the negative side are included in each of three phases, one end of the phase arm on the positive side is connected to the positive side of a secondary winding of the four-winding transformer, and the other end thereof is connected to a dc positive side terminal.. .
Kabushiki Kaisha Toshiba
A power converter, including: at least two inverting modules, where direct current sides of the at least two inverting modules are connected in parallel using a laminated busbar or a circuit board, and the at least two inverting modules run in an interleaved and parallel manner. In the present invention, the power converter is formed by connecting at least two inverting modules in parallel, and the direct current sides of the at least two inverting modules are connected in parallel using the laminated busbar or the circuit board, so that parasitic inductance between inverting modules is small, forming a low parasitic inductance loop.
Huawei Technologies Co., Ltd.
Method of controlling direct power converter
In a first period when a cosine value is positive that is a cosine value of a value twice a phase angle determined while an ac waveform output from a single-phase ac power source is regarded as a sine value of the phase angle, a discharge duty for making a first switch conducting is set to be higher than a first value determined by dividing the product of an amplitude of an ac voltage of the single-phase ac power source and the cosine value by the product of an across voltage of a capacitor and √2. In addition to or alternatively to this, in a second period when the cosine value is negative, a rectifying duty for making a diode rectifier conducting is set to be higher than a second value that is the reciprocal of the product of the absolute value of the sine value and √2..
Daikin Industries, Ltd.
Variable switched capacitor dc-dc voltage converter
In a voltage converter, a mode configuration is selected in response to a mode control signal using a switch matrix having two or more mode configurations. Each mode configuration corresponds to one of two or more output signal voltages.
Skyworks Solutions, Inc.
Motor, pump, and manufacturing the motor
A motor includes a molded stator; a cooling fan assembled to an end of a shaft protruding from one end face of the molded stator; a fan cover that covers the cooling fan; a capacitor assembly box installed to the molded stator and having a capacitor incorporated therein; a foot plate installed to the molded stator; and a bracket provided on the other end side of the molded stator. The fan cover is formed with a latched to the capacitor assembly box and a claw latched to the foot plate; and holes and to which the claws are latched are formed on the capacitor assembly box and the foot plate, respectively..
Mitsubishi Electric Corporation
Integrated repeaters for cell phone applications
A wireless power receiving system for a mobile electronic device that includes a high-q repeater resonator comprising at least an inductor and a capacitor and having a q-factor q1. The inductor of the repeater resonator is enclosed in a removable sleeve of the mobile electronic.
Coil configurations for inductive power transfer
An inductive power supply system in which the receiving unit includes a secondary coil and a plurality of resonating circuits with different characteristics. Each of the resonating circuits may include a resonating coil and a resonating capacitor.
Access Business Group International Llc
Contactless electric power feeding system
Provided is a contactless electric power feeding system that allows a plurality of devices to be recharged at the same time. A feeding device includes a primary feeding coil and each receiving device includes a secondary receiving coil.
Panasonic Intellectual Property Management Co., Ltd.
Nanoscale ion storage materials
Nanoscale ion storage materials are provided that exhibit unique properties measurably distinct from their larger scale counterparts. For example, the nanoscale materials can exhibit increased electronic conductivity, improved electromechanical stability, increased rate of intercalation, and/or an extended range of solid solution.
A123 Systems, Llc
Voltage regulator circuit
A transistor includes a gate, a source, and a drain, the gate is electrically connected to the source or the drain, a first signal is input to one of the source and the drain, and an oxide semiconductor layer whose carrier concentration is 5×1014/cm3 or less is used for a channel formation layer. A capacitor includes a first electrode and a second electrode, the first electrode is electrically connected to the other of the source and the drain of the transistor, and a second signal which is a clock signal is input to the second electrode.
Semiconductor Energy Laboratory Co., Ltd.
Semiconductor devices having hybrid capacitors and methods for fabricating the same
A semiconductor device includes a plurality of capacitors disposed on a substrate and a support pattern supporting upper portions and lower portions of the capacitors. Each of the capacitors includes a lower electrode, an upper electrode, and a dielectric layer between the lower and upper electrodes.
Samsung Electronics Co., Ltd.
Thin film transistor array
A thin film transistor array includes thin film transistors each including a gate electrode formed on an insulation substrate, a source electrode and a drain electrode formed on the gate electrode via a gate insulation film and a semiconductor layer formed on a portion of the gate electrode surrounded by at least the source electrode and the drain electrode; capacitors each including a capacitor electrode formed on the insulation substrate and a pixel electrode which is formed on the capacitor electrode via the gate insulation film and connected to the drain electrode, the capacitors and the thin film transistors being positioned in a matrix along a first direction and a second direction perpendicular to the first direction; and connection lines that connect semiconductor layers of the thin film transistors positioned in the first direction. The connection lines each have a width smaller than a width of the semiconductor layer..
Toppan Printing Co., Ltd.
Image sensor and electronic device
An image sensor includes a first semiconductor chip, a second semiconductor chip and connecting portions configured to connect the first semiconductor chip and the second semiconductor chip. The first semiconductor chip includes a photoelectric conversion portion, a capacitor, a reset transistor, and an amplification transistor.
Canon Kabushiki Kaisha
Stacked metal oxide semiconductor (mos) and metal oxide metal (mom) capacitor architecture
A device includes a first stacked capacitor comprising a first mos capacitance and a first mom capacitance, the first mos capacitance coupled to a first node, the first node configured to receive a first bias voltage, and a second stacked capacitor comprising a second mos capacitance and a second mom capacitance, the second mos capacitance coupled to the first node.. .
Integrated voltage regulator with embedded passive device(s) for a stacked ic
A stacked integrated circuit includes a first tier ic and a second tier ic. Active faces of the first tier ic and the second tier ic face each other.
Tsv deep trench capacitor and anti-fuse structure
A through-silicon-via (tsv) structure is formed within a trench located within a semiconductor structure. The tsv structure may include a first electrically conductive liner layer located on an outer surface of the trench and a first electrically conductive structure located on the first electrically conductive liner layer, whereby the first electrically conductive structure partially fills the trench.
International Business Machines Corporation
Tcct match circuit for plasma etch chambers
A match circuit includes the following: a power input circuit coupled to an rf source; an inner coil input circuit coupled between the power input circuit and an input terminal of an inner coil, the inner coil input circuit including an inductor and a capacitor coupled in series to the inductor, the inductor connecting to the power input circuit, and the capacitor connecting to the input terminal of the inner coil, a first node being defined between the power input circuit and the inner coil input circuit; an inner coil output circuit coupled between an output terminal of the inner coil and ground, the inner coil output circuit defining a direct pass-through connection to ground; an outer coil input circuit coupled between the first node and an input terminal of an outer coil; and an outer coil output circuit coupled between an output terminal of the outer coil and ground.. .
Lam Research Corporation
Electronic switch for simulating a mechanical rocker switch
The present disclosure relates to an electronic switch for simulating a mechanical rocker switch having a determined current-interrupting capacity, the electronic switch being configured to supply power to an electronic device using an input voltage, and comprises a tact switch for the generation of a control signal, a bistable circuit whose output state depends on said control signal, a switching circuit adapted to the opening and to the closing of a power supply line supplying power to the device, which device consumes a current less than or equal to said determined interrupting capacity, a memory circuit comprising a reservoir capacitor, the tact switch being configured to control opening and closing of the switching circuit and the memory circuit being adapted to the storage of an “open” or a “closed” mechanical position of the electronic switch for a predetermined duration according to the reservoir capacitor.. .
Sealing material, manufacturing flexible thin-film type super-capacitor device using the same, and super-capacitor device manufactured by the method
Disclosed are a method of manufacturing a flexible thin-film type super-capacitor device and a super-capacitor device manufactured by the same. The flexible thin-film type super-capacitor device comprises a base film which has flexibility; a separator which is interposed between the base films; and an active material which is formed on the base film.
Korea Institute Of Energy Research
Conductive material with charge-storage material in voids
A conductive material includes a graphene-nanonsheet material, with charge-storage material in voids in and/or coating the graphene material. The charge-storage material may include any of a variety of types of carbon, including carbon black, acetylene black, furnace black, carbon fibers, carbon nanotubes, graphene in the form of wrinkled sheets of graphene, carbon nano-onions, or hydrothermal-synthesized nanospheres of carbon material.
Electrode material, preparation method thereof and supercapacitor based thereof
The disclosure discloses electrode material, preparation methods thereof and supercapacitors based thereof. Raw material for preparing the electrode material include pvdf and an additive which can be reacted with the pvdf to generate conductive active substance, the amount of the pvdf is 50 to 99 mass percentage, and the amount of the additive is 1 to 50 mass percentage.
Electrolytic solution for electrolytic capacitor, and electrolytic capacitor
Provided is an electrolytic solution suitable for use in a 100 wv class electrolytic capacitor having low inductance at low temperatures and high durability in high-temperature use conditions. This electrolytic solution for an electrolytic capacitor contains: a mixed organic solvent including sulfolane and y-butyrolactone; water; an electrolyte selected from the group consisting of a quaternized pyridinium salt of carboxylic acid and a quaternized imidazolinium salt of carboxylic acid; boric acid; and mannitol; and has a mass ratio of boric acid and mannitol in the range of 1:1.2 to 1:1.6, and a total amount of boric acid and mannitol of 10.0 to 14.5% by mass of the total electrolytic solution, the water content being 1.5 to 2.0% by mass of the total electrolytic solution..
Nippon Chemi-con Corporation
Variable capacitor compromising mems devices for radio frequency applications
A variable capacitor (300) comprises cells (200, 400) that have an rf electrode (202, 402) coupled to a bond pad (30). Each cell comprises a plurality of mems devices (100) the capacitance of which can be changed by means of a movable electrode.
Cavendish Kinetics, Inc.
High energy density electrostatic capacitor
A solid state electrical energy state storage device includes multiple dielectric layers or an integral heterogeneous dielectric layer. Layers or portions of the heterogeneous layer have permittivity augmented by exposing the dielectric material to electric/magnetic fields during formation of the dielectric before complete solidification.
Carver Scientific, Inc.
Thin film capacitor
A thin film capacitor is provided with a lower electrode layer, a dielectric layer arranged on the lower electrode layer, and an upper electrode layer formed on the dielectric layer. An insulator patch material, circular when projected from above, is formed at a boundary of the dielectric layer and the upper electrode layer of the thin film capacitor of this invention.
Stacked film capacitor and manufacturing stacked film capacitor
A method of manufacturing a stacked film capacitor that includes forming a plurality of first and second internal electrodes on first and second dielectric films, forming first and second separation lines between the plurality of first and second internal electrodes on the first and second dielectric films, stacking the first and second dielectric films in such a way that the first and second separation lines are arranged at positions different from each other when seen along a stacking direction to form a stack, separating the stack at the first and second separation lines into a plurality of separated stacks by applying forces in opposite directions to each other to the first and second dielectric films across the first and second separation lines, and forming first and second external electrodes connected to the first and second internal electrodes, respectively.. .
Murata Manufacturing Co., Ltd.
Storage element, storage device, and signal processing circuit
A signal processing circuit whose power consumption can be suppressed is provided. In a period during which a power supply voltage is not supplied to a storage element, data stored in a first storage circuit corresponding to a nonvolatile memory can be held by a first capacitor provided in a second storage circuit.
Semiconductor Energy Laboratory Co., Ltd.
Semiconductor memory device and control method thereof
A semiconductor memory device includes: a memory cell array including a memory cell, which includes a ferroelectric capacitor and an access transistor which is a first conductive type transistor formed in a second conductive type well and includes a source or a drain connected to one electrode of the ferroelectric capacitor; and a control circuit which controls a potential applied to the second conductive type well. The control circuit applies a fixed potential to another electrode of the ferroelectric capacitor and applies a second potential being a forward voltage with respect to a junction between the first conductive type source and drain and the second conductive type well when erasing data in the memory cell, and applies a third potential not being the forward voltage with respect to the junction between the first conductive type source and drain and the second conductive type well in a normal operation..
Fujitsu Semiconductor Limited
Array substrate, display panel and display device
The present disclosure provides an array substrate, a display panel and a display device. The array substrate includes: a plurality of data lines and a plurality of gate lines configured to divide a display region into a plurality of display sub-regions; a pixel electrode arranged at each display sub-region; and a tft arranged at each display sub-region, a source electrode of the tft being electrically connected to the data line, a drain electrode thereof being electrically connected to the pixel electrode and a gate electrode thereof being electrically connected to the gate line, wherein a parasitic capacitor is formed between the gate electrode and the drain electrode of the tft.
Beijing Boe Display Technology Co., Ltd.
Display device and driving same
In a pixel circuit, during a period during which an organic el element is not emitting light, a transistor is in an “on” state and a reverse-direction voltage determined by a reverse-direction current that depends on the degree to which degradation of the organic el element has progressed is written to a capacitor. The transistor then turns off, another transistor turns on, and a compensating current that depends on the reverse-direction voltage flows from another capacitor towards a reverse-biasing power-supply line, causing a drive voltage maintained by the capacitor to change by a compensating voltage change.
Sharp Kabushiki Kaisha
Display device with touch sensor, and electronic apparatus
According to an aspect, a display device with a touch sensor has a display function and a touch sensor function. The display device includes: a panel unit that comprises a first substrate, a second substrate, and a display function layer between the first substrate and the second substrate; a first electrode on the first substrate; a second electrode on the second substrate; a third electrode on the second substrate; and a capacitor for the touch sensor function.
Japan Display Inc.
Touch input device
A touch input device may be provided that includes: a touch sensor panel comprising n number of drive electrodes, m number of receiving electrodes, and a plurality of node capacitors which are formed by the drive electrodes and the receiving electrodes; a driving part which applies a driving signal to the drive electrode; a data processor which receives a signal including information on a capacitance of the node capacitor through the receiving electrode and detects touch information on the touch sensor panel; and a controller which controls the driving part to apply the driving signal to k number of the drive electrodes of n number of the drive electrodes in a first drive mode. The “n”, “m”, and “k” are natural numbers greater than 2 and “k” is less than “n”..
Gate drive circuit
A gate drive circuit includes: a modulation circuit that generates a first modulated signal and a second modulated signal; an isolator including a first electromagnetic resonance coupler that isolatedly transmits the first modulated signal, and a second electromagnetic resonance coupler that isolatedly transmits the second modulated signal; a first rectifier circuit that generates a first signal by rectifying the first modulated signal; a second rectifier circuit that generates a second signal by rectifying at least a part of the second modulated signal; a third rectifier circuit that generates charging voltage by rectifying a second radio-frequency wave; a capacitor that charges a charge in accordance with the charging voltage; and an output circuit which selects whether or not to supply the charge charged in the capacitor to a gate terminal of the semiconductor switch, in accordance with at least one of the first signal and the second signal.. .
Panasonic Intellectual Property Management Co., Ltd.
Display device having an oxide semiconductor transistor
An object is to reduce parasitic capacitance of a signal line included in a liquid crystal display device. A transistor including an oxide semiconductor layer is used as a transistor provided in each pixel.
Semiconductor Energy Laboratory Co., Ltd.
Capacitive sensing array device with high sensitivity and high frame rate and electronic apparatus using the same
In a capacitive sensing array device and an electronic apparatus, a coupling signal source provides a coupling signal to an object, a constant voltage source provides a constant voltage to a shielding conductor group, and a vertical parasitic capacitor is formed between the shielding conductor group and each sensing electrode. Each sensing electrode is electrically connected to the constant voltage source via one corresponding switch module.
J-metrics Technology Co., Ltd.
Analysis of stimulus by rfid
The present invention is directed to an rfid device. The rfid device includes a brace affixed to an inductor or capacitor.
U.s. Photonics, Inc.
Capacitance detection device
According to one embodiment, a capacitance detection device includes a switched capacitor amplifying circuit including a variable capacitor and a reference capacitor, and a voltage applying circuit configured to apply, to the switched capacitor amplifying circuit, a reference voltage having a temperature characteristic for compensating fluctuation in an output voltage of the switched capacitor amplifying circuit due to a temperature characteristic of capacitance of the variable capacitor.. .
Kabushiki Kaisha Toshiba
Parallel plate capacitor and acceleration sensor comprising same
A parallel plate capacitor includes a first polar plate (10), and a second polar plate disposed opposite to the first polar plate (10). The parallel plate capacitor further includes at least a pair of sensitive units disposed on a substrate forming the first polar plate (10); the sensitive units includes sensitive elements (21a, 21b, 22a, 22b) and element connecting arms (23a, 23b, 24a, 24b) connecting the sensitive elements (21a, 21b, 22a, 22b) to the first polar plate (10).
Csmc Technologies Fab1 Co., Ltd.
Detonator ignition protection and detection circuit
An ignition circuit (200) includes: an igniter (210) having first (211) and second (212) terminals; a first diode (225) electrically connected in series with the igniter at the first terminal; a second diode (230) electrically connected in series with the igniter at the second terminal. The first and second diodes each have an anode terminal (226, 231) and a cathode terminal (227, 232), wherein like terminals of the first and second diodes are electrically connected to the igniter, thereby defining proximal terminals and distal terminals.
Dyno Nobel Inc.
Electric vehicle with an on-board charger
The electric vehicle with an autonomous power supply source in the form of a rechargeable battery comprises one electric motor connected to the wheels of the vehicle via an optional mechanical transmission, and a control system, which comprises one or more reversible converters that regulate the speed and/or torque of said electric motor, a capacitor having a high capacitance and a ballast resistor with an arrester, one reversible dc-to-dc converter with a control system, two current sensors, and two voltage sensors. The converters are connected directly to the terminals of the power supply source; the capacitor is connected to the terminals of the power supply source via said reversible converter.
Energeticheskikh I Elektromobilnikh Proektov
Electric vehicle power relay assembly
The electric vehicle may comprise a high voltage battery, a power relay assembly (pra) connected to the high voltage battery and an inverter capacitor. The pra may comprise a first main relay connected to an anode of the high voltage battery, a second main relay connected to a cathode of the high voltage battery, and a precharge relay and a precharge resistor coupled in parallel to at least one of the first and the second main relay..
Hyundai Motor Company
A control unit, on the occasion of a collision of a vehicle, causes a boost converter and an inverter to supply electric power to a motor generator such that the motor generator outputs no toque to make the motor generator perform discharge of a smoothing capacitors. When the discharge by the motor generator cannot be performed, the control unit causes the boost converter to transfer electric charges to a side of the boost converter to which a discharge circuit is connected to thereby make the discharge circuit perform discharge..
Toyota Jidosha Kabushiki Kaisha
Energy efficient vehicle and disc-type dynamic motor thereof
An energy efficient vehicle and a disc-type dynamic motor thereof are disclosed. The vehicle comprises front wheels and rear wheels, and a gasoline engine is assembled in the vehicle for driving a generator producing power.
Method of metallizing dielectric film
The present invention provides a method of producing a metallized polymer-electrode composite comprising transferring a conductive metal foil from a metal transfer film to a surface of a polymer film the inventive method may be used to produce a polymer film with optionally textured, conductive metal electrodes on one or both sides. The method of hie invention may find utility in producing electroactive polymer transducers and other thin film devices requiring flexibility or stretchability such as thin film batteries, sensors, speakers, reflective plastic displays, solar cells, and supercapacitors..
Bayer Intellectual Property Gmbh
Sheet forming of metallic glass by rapid capacitor discharge
An apparatus and method of uniformly heating, rheologically softening, and thermoplastically forming metallic glasses rapidly into a net shape using a rapid capacitor discharge forming (rcdf) tool are provided. The rcdf method utilizes the discharge of electrical energy stored in a capacitor to uniformly and rapidly heat a sample or charge of metallic glass alloy to a predetermined “process temperature” between the glass transition temperature of the amorphous material and the equilibrium melting point of the alloy in a time scale of several milliseconds or less.
California Institute Of Technology
Method and fracturing polycrystalline silicon
The present invention provides a method and an apparatus for fracturing polycrystalline silicon, and the method comprises steps of placing the polycrystalline silicon in a water tank containing water; applying an instant high voltage to the water tank so that high-voltage discharge occurs in the water of the water tank to fracture the polycrystalline silicon. The apparatus comprises a high-voltage transformer (b), a high-voltage rectifier (g), a charging capacitor (c), a disconnecting switch (k), a water tank (f) containing water, and a first electrode (1) and a second electrode (2) which are submerged in the water tank (f), the first electrode and the second electrode being disposed with a certain distance therebetween, wherein a primary winding of the high-voltage transformer (b) is connected to mains supply, a first terminal of a secondary winding of the high-voltage transformer is sequentially connected to the high-voltage rectifier (g), the disconnecting switch (k) and the first electrodes (1), a second terminal of the secondary winding is grounded and connected to the second electrode (2), and the charging capacitor (c) is connected between a common terminal of the high-voltage rectifier (g) and the disconnecting switch (k) and a common terminal of the secondary winding and the second electrode (2).
Xinte Energy Co. Ltd. A Limited Company
Interdigitated chip capacitor assembly
A method of registering terminals on an interdigitated chip capacitor (“idc”) with a plurality of contact pads on a substrate. At least one vertically extending nonconductive abutment surface is formed between adjacent ones of the contact pads.
Texas Instruments Incorporated
Circuit board with integrated passive devices
Embodiments of the present disclosure are directed towards a circuit board having integrated passive devices such as inductors, capacitors, resistors and associated techniques and configurations. In one embodiment, an apparatus includes a circuit board having a first surface and a second surface opposite to the first surface and a passive device integral to the circuit board, the passive device having an input terminal configured to couple with electrical power of a die, an output terminal electrically coupled with the input terminal, and electrical routing features disposed between the first surface and the second surface of the circuit board and coupled with the input terminal and the output terminal to route the electrical power between the input terminal and the output terminal, wherein the input terminal includes a surface configured to receive a solder ball connection of a package assembly including the die.
Electronic power device for a light emitting diode
The electronic device arranged to periodically power a light emitting diode is intended to be arranged between the light emitting diode and a battery forming an electrical power source, and includes a boost type voltage converter and an electrical energy storage capacitor, arranged downstream of the voltage converter parallel to the diode, a current source and a switch controlled by a control unit of the electronic device. The current source and the switch are arranged in series between said storage capacitor and a lower voltage terminal on the electrical path provided for powering the light emitting diode.
Em Micorelectronic-martin Sa
Dual switcher flyback structure for led driver
Driver circuits to reduce or remove flicker of ssl devices are presented. A controller for a power converter which converts electrical power at an input voltage into electrical power at an output voltage is described.
Dialog Semiconductor (uk) Ltd
Successive approximation analog-to-digital converter and conversion method
The present invention discloses a successive approximation analog-to-digital converter, comprising: a capacitor array including a designated capacitor and several sampling capacitors to sample an input signal under a sampling mode; a comparator to compare a first voltage from the capacitor array with a second voltage under a comparison mode and thereby generate a comparison result; a switching circuit to determine the charge amount stored in the capacitor array under the sampling mode and the first voltage under the comparison mode according to a control signal; and a control circuit to generate the control signal according to a sampling setting under the sampling mode and generate the control signal according to the comparison result under the comparison mode. Said designated capacitor does no sampling under the sampling mode, but appropriates the charges of the sampling capacitors under the comparison mode, so as to reduce the effective sampling value..
Realtek Semiconductor Corporation
Sample hold circuit, a/d converter, calibration the sample hold circuit, and circuit
There is provided a pipelined a/d converter in which plural stages stage 1 to stage n each including an mdac (i.e., multiplying da converter) are connected. The pipelined a/d converter is configured with a gain-amp (12) included in the mdac for the spm, mos transistors (mx1) and (mx2) as a differential pair having output ends connected to a sampling capacitor csi on a subsequent stage, mos transistors (my1) and (my2) as a load unit connected to the differential pair, a current source (i3) configured to supply a current to the mos transistors (mx1) and (mx2) as the differential pair, and current sources (i1) and (i2) configured to adjust the current flown across the mos transistors (my1) and (my2) as the load unit..
Asahi Kasei Microdevices Corporation
Power distribution network (pdn) conditioner
Systems and methods for conditioning a power rail (e.g., reducing voltage droops and/or voltage overshoots on the power rail) are described herein. In one embodiment, a power circuit comprises a capacitor coupled to a high-voltage rail, and a droop slope limiter (dsl) coupled between the high-voltage rail and a power rail.
Three-d power converter in three distinct strata
A switching power supply in an integrated circuit, an integrated circuit comprising a switching power supply, and a method of assembling a switching power supply in an integrated circuit are disclosed. In one embodiment, the invention provides a three-dimensional switching power supply in an integrated circuit comprising a device layer.
International Business Machines Corporation
High-pass filter circuit and band-pass filter circuit
Two types of high-pass filter circuit and a band-pass filter circuit are provided. Both types of high-pass filter circuit include a capacitor configured to input an input signal, a resistor connected between an output terminal of the capacitor and a prescribed bias voltage, and a signal output circuit connected to the output terminal of the capacitor and configured to buffer-amplify the input signal for output.
Ricoh Company, Ltd.
Second order loop filter and multi-order delta sigma modulator including the same
Provided is a second order loop filter (lf). The second order lf includes: an operational amplifier including a first input, a second input receiving a differential input of the first input, and an output; an inverter inverting a signal output from the output of the operational amplifier to output an inverted signal; a first resistor connected to between the first input and a first node; a second resistor connected to between the output of the operational amplifier and the first node; a third resistor connected to between the first input and an input signal; a first capacitor connected to between the second input and the first node; a second capacitor connected to between the output of the operational amplifier and an output of the inverter; and a third capacitor connected to between the output and the first input of the operational amplifier, wherein the second input is connected to a ground voltage..
Electronics And Telecommunications Research Institute
Parallel capacitors (5c and 5d) of impedance matching circuits (5) which are connected to two transistors (1), respectively, have their first ends connected to a ground through via holes (5e and 5f) that are used in common, respectively. Although a conventional circuit necessitates via holes by the number equal to the number of stages multiplied by the number of cells of the transistors (1) for an lpf type impedance matching circuit (3), the present circuit can halve the number of via holes of the lpf type impedance matching circuit (5), thereby being able to downsize the circuit..
Mitsubishi Electric Corporation
Power conversion system and control method thereof
Aspects of a power conversion system can include a capacitor which stores direct current power, an inverter, and a pair of direct current terminals of which are connected to two ends of the capacitor and to the alternating current terminals of which an alternating current motor acting as a load is connected. Also included can be an upper and lower arm portion of which the connection point of semiconductor switches connected in series is connected to the neutral point of the motor, a direct current power source connected in parallel to the upper and lower arm portion and a switch connected between one of the direct current terminals of the inverter and one end of the upper and lower arm portion.
Fuji Electric Co., Ltd.
Motor driving apparatus including dc link voltage detection unit
A motor driving apparatus of the present invention includes a converter unit configured to convert an ac voltage into a dc voltage, a dc link unit configured to smooth the dc voltage by a capacitor to generate a dc link voltage, an inverter unit configured to convert the dc link voltage into a multiphase ac voltage for motor driving, short bars configured to electrically interconnect terminals of the dc link unit and terminals of the inverter unit, and a dc link voltage detection unit configured to detect the dc link voltage. At least parts of the short bars are located between the terminals of the dc link unit and terminals of the dc link voltage detection unit..
Power supply an electrical appliance
A power supply apparatus includes a power supply circuit and a power-on circuit. The power-on circuit detects a remotely transmitted control signal and causes a transition of the power supply circuit to a turned on state.
Switch control circuit and resonant converter including the same
A resonant converter includes a first switch coupled between a first node and a primary side ground, a second switch coupled between an input voltage and the first node, at least one capacitor and at least one inductor coupled in series between both ends of the first switch, and a switch control circuit that shifts switching frequencies of the first and second switches during a period for which an abnormal event lasts when occurrence of the abnormal event is detected, and shifts the switching frequencies in an opposite direction when the abnormal event ends.. .
Fairchild Korea Semiconductor Ltd.
Switching regulator and control method thereof
A switching regulator including an output switch element; a rectification switch element; an oscillation circuit; an error amplifier circuit; a slope circuit; a first voltage comparison circuit; a second voltage comparison circuit; a one pulse generation circuit; a control circuit; and a backflow detection circuit, and a control method thereof suppress variations to be stabilized with respect to a target value of the load current for switching between a pwm control and a pfm control, and ensure the switching from the pfm control to the pwm control or from the pwm control to the pfm control even if various parameters including external elements such as chips, coils, and capacitors vary.. .
Ricoh Electronic Devices Co., Ltd.
Dc-to-dc converter and fabricating the same
A dc-to-dc converter includes: a substrate having a switching element region defined by an isolation layer; a transistor formed over the switching element region; a landing plate formed over the isolation layer; a capacitor formed over the landing plate and includes a bottom plate, a dielectric layer and a top plate; multi-layer metal lines disposed in an upper portion of the transistor and coupled with the transistor; and an interconnection portion coupled with the multi-layer metal lines to electrically connect the transistor with the capacitor.. .
Sk Hynix Inc.
Smart resistor-less pre-charge circuit for power converter
A resistor-less device for limiting inrush current in power system startup, for a dc-link capacitor. A dc-link capacitor is coupled to an output of an ac power source rectifying circuit, providing a dc-bus voltage.
Power failure prevention system and circuits
A dc-dc converter system that can switch between boost and buck operation is used in a power failure prevention system. The dc-dc converter operates in boost mode at startup.
Semiconductor esd circuit and method
In an embodiment, an electrostatic discharge (esd) circuit for providing protection between a first node and a second node includes a first mos device having a first source/drain coupled to a first node, and a second source/drain coupled to an intermediate node. The esd circuit also includes a first capacitor coupled between a gate of the first mos device and the first node, a first resistor coupled between the gate of the first mos device the intermediate node, a second mos device having a first source/drain coupled to the intermediate node, and a second source/drain coupled to the second node, a second capacitor coupled between a gate of the second mos device and the first node, and a second resistor coupled between the gate of the second mos device and the second node..
Infineon Technologies Ag
Pre-charge circuit for an electromechanical relay
A pre-charge circuit is provided for an electromechanical relay having a coil and relay contacts. The pre-charge circuit includes a semiconductor switch configured to be electrically connected across the relay contacts of the electromechanical relay.
Tyco Electronics Corporation
Communications connector with improved contacts
A network cable jack includes a printed circuit board (pcb) for balancing both inductive and capacitive coupling. Using a pcb allows compact trace paths to be formed without significantly increasing manufacturing costs.