|| List of recent Capacitor-related patents
| Efficiently delivering acoustic stimulation energy to tissue|
A system for delivering an electrical stimulation pulse to tissue comprises a controller-transmitter and a receiver-stimulator. The controller-transmitter includes circuitry having an energy storage capacitor.
| Systems and methods for packed pacing using bifurcated pacing pulses of opposing polarity generated by an implantable medical device|
Techniques are provided for use with implantable medical devices to deliver packed pacing using split or bifurcated pulses of opposing polarity in different cardiac cycles. In one example, packed single-phase pulses are delivered by the device during a first cardiac cycle that serve to stimulate heart tissue.
| Cylindrical embedded capacitors|
A device includes a substrate having a front surface and a back surface opposite the front surface. A capacitor is formed in the substrate and includes a first capacitor plate; a first insulation layer encircling the first capacitor plate; and a second capacitor plate encircling the first insulation layer.
| Cohesive assembly of carbon and its application|
Cohesive carbon assemblies are prepared by obtaining a carbon starting material in the form of powder, particles, flakes, or loose agglomerates, dispersing the carbon in a selected organic solvent by mechanical mixing and/or sonication, and substantially removing the organic solvent, typically by evaporation, whereby the cohesive assembly of carbon is formed. The method is suitable for preparing free-standing, monolithic assemblies of carbon nanotubes in the form of films, wafers, or discs, having high carbon packing density and low electrical resistivity.
| Component having a micromechanical microphone structure|
A capacitive mems microphone structure is provided, which micromechanical microphone structure of component is realized in a layer construction and includes: a diaphragm structure sensitive to sound pressure, which is deflectable in a direction perpendicular to the layer planes of the layer construction; an acoustically penetrable counter-element which has through holes and is formed above or below the diaphragm structure in the layer construction; and a capacitor system for detecting the excursions of the diaphragm structure. The diaphragm structure includes a structural element in the middle area of the diaphragm structure, which structural element projects perpendicularly from the diaphragm plane and which, depending on the degree of excursion of the diaphragm structure, variably extends into a correspondingly formed and positioned through hole in the counter-element..
| Data during analog audio|
This application discusses among other things, apparatus and method for transmitting data with an analog signal without significantly distorting the analog signal. In an example, an apparatus can include an audio channel, a capacitor coupled to a first conductor of the audio channel, the capacitor configured to couple an analog representation of a digital data signal with an analog audio signal on the audio channel, and a frequency modulator configured to receive the digital data signal and to modulate a frequency of an output signal of the frequency modulator based on a logic level of the digital data signal, wherein the analog representation of the digital data signal includes the frequency of the output signal of the frequency modulator..
| Temperature controlled structured asic manufactured on a 28 nm cmos process lithographic node|
A temperature control for a structured asic chip, manufactured using a cmos process is shown. A circuit employing temperature feedback using a microprocessor and active heating elements, that in a preferred embodiment uses decoupling cell capacitors, is employed to actively heat a die when the temperature of the die drops below a predetermined minimum temperature, in order to achieve timing closure in the chip..
| On-chip hv and lv capacitors acting as the second back-up supplies for nvsram auto-store operation|
Two on-chip capacitors including one hv capacitor vppcap and one lv vcc capacitor vcccap are built over a nvsram memory chip as a back-up second power supplies for each nvsram cell, regardless of 1-poly, 2-poly, pmos or nmos flash cell structures therein. The on-chip hv and lv capacitors are preferably made from one or more mim or mip layers for achieving required capacitance.
| Power supply unit and operating method of the same|
A highly efficient power supply unit compatible with a single-phase three-wire system and an operating method of such a power supply unit are provided. The power supply unit includes first and second switching legs connected in parallel to a first capacitor leg with a dc power supply connected thereto.
| Reduction of electrostatic discharge effects in charge-pump elevator ladder|
The final cell or cells in a cascade or ladder of voltage elevator cells may be exposed to significant overvoltages from electrostatic discharge originating in off-chip loads. In such conditions, the final cell or cells may be damaged or destroyed by such overvoltages.
| Converter arrangement|
A converter arrangement has at least one ac voltage connection, at which an alternating current can be fed in or drawn, and at least one dc voltage connection, at which a direct current can be fed in or drawn. The converter arrangement contains at least two series circuits connected in parallel.
| Power supply device|
A power supply device includes a first semiconductor switching device for controlling an alternating input current waveform, a smoothing capacitor to which a rectified voltage is applied, and an inverter that converts the rectified voltage into alternating current via a step-up chopper. The step-up chopper includes an inductor and a diode connected between the smoothing capacitor and inverter, and a second semiconductor switching device connected to the inductor and diode.
| Anode geometry with improved volumetric efficiency and improved esr|
A capacitor with improved esr and improved volumetric efficiency. The capacitor has an anode body wherein the anode body comprises a face and an inward offset which is inset from the face by a distance.
| Solid electrolytic capacitor and method for manufacturing the same|
An improved capacitor is described. The capacitor has an anode with an anode lead wire extending from a first face of the anode.
| Electrochemical capacitor|
There is provided an electrochemical capacitor including a lid; a case having a via, and forming a liquid chamber together with the lid; an electric storage element housed in the liquid chamber; an electrolyte housed in the liquid chamber; a wiring having a via part arranged within the via, and connecting an inside to an outside of the liquid chamber; an extraction electrode connected to the via part; an overcoating layer for coating the extraction electrode, and having an opening to expose a partial region of the extraction electrode; and a conductive adhesive layer for fixing the electric storage element to the overcoating layer, and electrically connecting the electric storage element to the extraction electrode through the opening.. .
| Electrolyte for three-volt ultracapacitor|
An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. The capacitor may also include an electrolyte in ionic contact with the electrodes and the separator, the electrolyte having acetonitrile and a quaternary ammonium salt with a molarity of less than one..
| Nanobiomimetic supercapacitors with high rate high energy storage|
Nanobiomimetic supercapacitors comprise an “electron well” and an “electron-dam” membrane electrode assembling (mea); the “electron-well” mea compromises an electrode comprising a substrate of glassy carbon; a self-assembling membrane comprises a polymer matrix; wherein the polymer matrix is comprised of an electrically conductive copolymer; wherein the copolymer is further comprised of one or more first β-cyclodextrin molecules having at least one or more free acetyl groups; one or more polyethylene glycol molecules; one or more poly(4-vinylpyridine) molecules; and one or more second β-cyclodextrin molecules; the self-assembling membrane having a surface structure comprising one or more nanopores and pillars; the nanopores and pillars are vertically oriented on the substrate to form nanopore and pillar array; the “electron-dam” mea compromises the nanopore/pillar layer sealed with an embedded hydrophobic aromatic substance having a flat lid structure; wherein the mea can be as either said positive or negative electrode; wherein the “electron-well” also can be either said as positive or negative electrode; separated by a porous insulator wetted by an electrolyte-free and air-independent organic solution; at least two current collectors are at each of the end of the meas.. .
| Multi-layered ceramic capacitor|
There is provided a multi-layered ceramic capacitor including: a ceramic body formed by multi-layering a plurality of dielectric layers; a plurality of first and second internal electrodes including at least one side exposed through edges of the dielectric layer; upper and lower cover layers formed at upper and lower portions of the ceramic body, respectively; first and second external electrodes formed to be spaced apart from each other at a lower surface of the lower cover layer; first and second connecting electrodes contacting outer peripheral surfaces of a plurality of second and first margin to connect exposed portions of the plurality of first and second internal electrodes, respectively; and an insulating side part formed so as to cover lateral surfaces at which the first and second internal electrodes are exposed.. .
| Multi-layer ceramic capacitor having dual layer-electrode structure|
There is provided a multi-layered ceramic capacitor having a dual layer-electrode structure formed by applying a dual layer of electrode paste to the multi-layered ceramic capacitor. The multi-layered ceramic capacitor having a dual layer-electrode structure includes a capacitor body having a preset length and width and having a plurality dielectric layers stacked therein, an internal electrode unit formed on the plurality of dielectric layers and having a preset capacitance, and an external electrode unit including first external electrodes respectively formed on both sides of the capacitor body to be electrically connected to internal electrodes, and second external electrodes formed on the first external electrodes..
| Mim capacitor and fabrication method thereof|
A method of fabricating a metal-insulator-metal (mim) capacitor is disclosed, wherein after capacitor trenches have been formed in a dielectric layer by dry etching, a wet etching process is further applied to the dielectric layer to etch the one or more capacitor trenches. By taking advantage of an isotropic characteristic of the wet etching process, the corners of the one or more capacitor trenches are rounded after the wet etching.
| Liquid crystal display device and touch panel|
A semiconductor layer of a transistor is formed of an oxide semiconductor film including a crystal part. An organic resin film covering the transistor is formed.
| Source driving apparatus with power saving mechanism and flat panel display using the same|
A source driving apparatus with power saving mechanism and a flat panel display using the same are provided. The source driving apparatus includes an output buffer stage and a power-saving circuit.
| Touch panel controller and electronic apparatus employing same|
A touch panel controller (1), which can accurately detect changes in capacitance values of respective first and second electrostatic capacitors which are touched, includes: a driving section (4) for driving drive lines (dl1 through dl4) on the basis of a code sequence so as to drive (i) electrostatic capacitors (c31 through c34) provided between the respective drive lines (dl1 through dl4) and a sense line (sl3) and (ii) electrostatic capacitors (c41 through c44) provided between the respective drive lines (dl1 through dl4) and a sense line (sl4) so that (i) a first linear sum of first capacitance values of the respective electrostatic capacitors (c31 through c34) is outputted from the sense line (sl3) and (ii) a second linear sum of second capacitance values of the respective electrostatic capacitors (c41 through c44) is outputted from the sense line (sl4); a differential amplifier (5) for amplifying a difference between the first linear sum and the second linear sum; and a saturation prevention control section (8) for correcting a line dependency between the first capacitance values and the second capacitance values.. .
| Capacitance-type touch sensor|
A capacitive touch sensor for detecting a touch point of a user includes a transparent non-conductive base plate, a transparent electrode thin film formed on one surface of the transparent non-conductive base plate, the electrode thin film being formed such that a plurality of polygonal or circular unit cells are connected to other unit cells adjacent in horizontal and vertical directions through signal transmission conductors, and a control board in which the electrode thin film forms a first electrode of a charge capacitor and forms a second electrode of the charge capacitor when the user touches the other surface of the transparent non-conductive base plate such that the control board receives through the conductors a touch signal induced in the first electrode by a user's touch when the user touches the other surface of the transparent base plate as the second electrode and detects a touch point of the user.. .
| Tft liquid crystal display apparatus having a touch function|
A tft liquid crystal display apparatus having a touch function, including: a first electrode layer, having multiple first electrodes and multiple thin film transistors, wherein each of the multiple thin film transistors has a source coupled to a source control unit, a gate coupled to a gate control unit, and a drain coupled to one of the multiple first electrodes and to one of multiple storage capacitors; a liquid crystal display layer, located above the first electrode layer; a transparent electrode layer, being located above the liquid crystal display layer and having multiple transparent strip electrodes; and multiple switches, of which each has a control end coupled with a mode control signal, a first contact coupled to one of the multiple transparent strip electrodes, a second contact coupled to a common voltage generation unit, and a third contact coupled to a touch detection unit.. .
| Self-capacitance measurement using compensation capacitor|
In one embodiment, a method includes dividing a first amount of charge between a measurement capacitance and a sample-and-hold capacitor resulting in a voltage at the measurement capacitance being a first voltage. The division of the first amount of charge is based at least in part on a configuration of a compensation capacitor relative to the measurement capacitance and the sample-and-hold capacitor.
| Liquid crystal display device|
A liquid crystal display device which has higher definition and reduced power consumption while its image quality is maintained is provided. A switching transistor of an active matrix liquid crystal display device is formed using a transistor having an extremely low off-state current to reduce the area of a capacitor; the capacitance value of parasitic capacitance formed by the left end of a pixel electrode and a first source line is made to be approximately the same as that of parasitic capacitance formed by the right end of the pixel electrode and a second source line; and video signals having one polarity are input to the first source line, and video signals having the other polarity are input to the second source line..
| Electronic device|
An electronic device including a first casing, a second casing, at least one first connecting unit and at least one feeding unit is provided. The first casing includes a conductive material.
| Rapidly rechargeable warning device|
The present invention is to provide a rapidly rechargeable warning device, which includes a power receiving element for receiving external electric power, a charging control module for receiving electric power from the power receiving element, a fast energy storage element (e.g., a supercapacitor or any rapidly rechargeable components) being rapidly charged by the charging control module and then outputting electricity stored therein, an warning element (e.g., a light-emitting diode, a buzzer, or a vibrator) capable of issuing a warning signal (e.g., a light signal, a warning sound, or vibrations) upon receiving the electricity outputted by the fast energy storage element. Thus, since the fast energy storage element can be fully charged within a short time through being connected to a cigarette lighter socket of a car, or a transformer connected to an indoor power source, the warning device can be used immediately and effectively prevent user from using one-time batteries..
| Method and apparatus of a resonant oscillator separately driving two independent functions|
Capacitive adjustment in an rcl resonant circuit is typically performed by adjusting a dc voltage being applied to one side of the capacitor. One side of the capacitor is usually connected to either the output node or the gate of a regenerative circuit in an rcl resonant circuit.
| Charging/discharging circuit and pll circuit using the same|
A charging/discharging circuit includes a connection terminal, a reference current providing module, an up current module and a down current module. The down current module includes: a first switch module, having a first control terminal, for receiving the down signal to determine whether the first switch module is turned on; a first bias transistor, having a first terminal coupled to the connection terminal, a second terminal coupled to the first switch module, and a control terminal coupled to the reference current providing module; and a first capacitor simulation transistor, having a first terminal and a second terminal coupled to the control terminal of the first switch module, and a control terminal coupled to the control terminal of the first bias transistor..
| Capacitive sensing array device with high sensitivity and electronic apparatus using the same|
A capacitive sensing array device of an electronic apparatus includes sensing electrodes, a shielding conductor layer, a coupling signal source, a constant voltage source and switch modules. The coupling signal source provides a coupling signal coupled to an object.
| State of health estimation of power converters|
Systems, methods and devices which utilize spread spectrum time domain reflectometry (sstdr) techniques to measure degradation of electronic components are provided. Such measurements may be implemented while the components “live” or otherwise functioning within an overall system.
| High frequency coil unit and magnetic resonance imaging apparatus|
The present invention is directed to an elliptical birdcage coil which reduces time and effort upon manufacturing and production cost, with less variations in performance. There is provided a high frequency coil unit made up of the elliptical birdcage coil having plural capacitors arranged at least on either of the ring conductors and the rung conductors, the capacitance of the plural capacitors being uniform with respect to each conductor type on which the capacitors are placed.
| Apparatus and method for controlling inductor current in a switch mode power supply|
Apparatus and method for controlling inductor current in a switch mode power supply. In one embodiment, a switch mode power supply includes an inductor, a high-side switch coupled to the inductor, a low-side switch coupled to the inductor, and a controller.
| Glitch suppression in dc-to-dc power conversion|
Exemplary embodiments are directed to devices and method for operating a charge pump. A method may include activating a first switch coupled between a capacitor and a ground voltage over a first period of a charging phase.
| Rapid-transition dc-dc converter|
A dc-dc converter for delivering electrical power to a load includes an output filter having an inductor and an output capacitor, a first switch, and a second switch. The first switch is configured to alternately couple and decouple the inductor to and from a dc input voltage as power is being delivered to the load.
| Power converter and method for controlling same|
A power converter 100 includes a dc capacitor c, semiconductor switch groups each of which includes semiconductor switches connected in series to each other, bridge-cells 11u-j, 11v-j, and 11w-j each of which includes the dc capacitor c and two semiconductor switch groups connected in parallel to the dc capacitor c, a delta connection unit 10 including delta-connected bridge-cells and a integrated control unit 1 for controlling a circulating current flowing in the delta connection unit such that each of dc-capacitor by-phase average values follows a dc-capacitor three-phase average value, each of the dc-capacitor by-phase average values being obtained by averaging voltage values of the dc capacitors at a corresponding phase of three phases, and the dc-capacitor three-phase average value being obtained by averaging voltage values of the dc capacitors at all of the three phases.. .
| Power conditioning and saving device|
Systems and methods are disclosed herein to a power factor adjustor comprising: a power factor measurement unit configured to measure the power factor on an input line to a load and generate a power factor correction signal based on the measured power factor; and a power factor adjustment unit connected to the power factor measurement unit comprising: a fixed capacitor connected in series to a first switching device; and an adjustable element having a variable capacitance connected in parallel to the fixed capacitor and in series to a second switching device, wherein the overall capacitance of the power factor adjustment unit is adjusted by adjusting the capacitance of the adjustable element or by toggling the first and second switching devices in response to the power factor correction signal.. .
| Wireless charging system|
The present invention provides wireless power supply systems that wirelessly supply power to a remote device for rapidly charging a charge storage capacitor, which charges a battery with the power stored in the charge storage capacitor. This allows the remote device to be positioned near the inductive power supply for rapid charging of the charge storage capacitor and allows battery charging to continue even after the remote device is removed from the inductive power supply..
| Distributed energy storage and power quality control in photovoltaic arrays|
A solar electric system comprises photovoltaic elements having integrated energy storage and control, ideally on each pv-panel. The energy storage media may be primary or secondary cylindrical cells interconnected into a battery and/or an array of capacitors (or super-capacitors) and are accompanied by an electronic control circuit which may perform a variety of functions, including but not limited to: power quality control, load following, pulse powering, active line transient suppression, local sensing, remote reporting, wireless or wired communications allowing two way programmable control through local or remote operation.
| Use of cooling fan in adjustable speed drives|
Apparatuses and methods are described for implementing adjustable speed drives. For instance, an apparatus may comprise an inverter circuit configured to drive a multi-phase electrical load, the inverter configured to be powered by first and second direct-current (dc) bus lines, a fan drive circuit configured to be powered by the first and second dc bus lines, a fan configured to be controlled by the fan drive circuit and having a plurality of windings coupled together at an electrical node, a first capacitor having a first terminal coupled to the first dc bus line and a second terminal coupled to the electrical node, and a second capacitor having a first terminal coupled to the second dc bus lines and a second terminal coupled to the electrical node..
| Bootstrap circuit and control system for a power tool|
An electronic circuit for a power tool includes a plurality of high-side and low-side switches connected in series between terminals of a power source and coupled to a load, a bootstrap circuit comprising a plurality of bootstrap capacitors arranged to provide sufficient amount of drive voltage to turn on and off the plurality of high-side switches, and a control unit configured to turn on and off the plurality of low-side switches in succession to sequentially charge the bootstrap capacitors.. .
| Variable rotating capacitor for synchrocyclotron|
The present invention also relates to a synchrocyclotron comprising such a rotco.. .
| Led light source|
A led light source comprises a full bridge rectifier equipped with a first input terminal and a second input terminal for coupling to output terminals of the phase cut dimmer, a series arrangement comprising n led loads, a first and second end of said series arrangement being coupled to a first output terminal and a second output terminal of the full bridge rectifier respectively, control means for during a period of the rectified ac supply voltage subsequently making the led loads comprised in the first series arrangement carry a current, one by one and in dependency of the momentary amplitude of the rectified ac supply voltage when the momentary amplitude increases and for subsequently making the led loads stop carrying a current, one by one, and in dependency of the momentary amplitude of the rectified ac supply voltage when the momentary amplitude decreases, said control means controlling the current through the led loads at zero when the output voltage of the phase cut dimmer equals zero and controlling the current through the led loads at a value that is independent from the phase angle of the phase cut dimmer when the output voltage of the phase cut dimmer differs from zero volt. In order to make the led light source compatible with a phase cut dimmer, the led light source is further equipped with a switchable bleeder current source coupled between the first and second output terminal of the full bridge rectifier, a latch coupled between the first and second output terminals of the full rectifier bridge and comprising a series arrangement of a resistor and a capacitor to prevent the current through the dimmer from crossing zero after a leading edge generated by the phase cut dimmer, in case the phase cut dimmer is a leading edge phase cut dimmer, a unidirectional element arranged in series with the capacitor for preventing discharging of the capacitor via the led loads or the adjustable bleeder current source, and a clamp circuit coupled to the capacitor and comprising a current source for discharging the capacitor and providing a low ohmic path for the dimmer current when the dimmer is off..
| Tunable wireless energy transfer systems|
Described herein are improved configurations for a wireless power transfer. A power source for driving a resonator includes a switching amplifier.
| Electrical system and method for a hybrid-electric vehicle|
An electrical system includes a battery for providing electrical power to a starter mechanism and an auxiliary load of a hybrid-electric vehicle. An electric double-layer capacitor (“edlc”) is electrically connectable to the battery and the auxiliary load.
| Method and system for utilization a fluctuated wind|
The present method and system provides: conversion of always fluctuating wind into a variable ac electrical power p through wind turbine and electrical generator; consuming its variable ac power with accordance of an equation p−pc−pv=0; conversion of the variable ac power is drawing from two phases of an electrical generator into an ac power connected to an electrical grid through an six-pulls diode rectifier, first heat energy exchanger, dc capacitor and dc-ac inverter; conversion a variable ac power drawing from third phase of an electrical generator into heat through switches connected to a neutral line or into a constant voltage dc power through an six-pulls bridge rectifier, second heat energy exchanger and dc capacitor; permanently keeping the rectified variable dc voltage is higher than a dc constant voltage at the buffer capacitor.. .
| Semiconductor devices|
The present inventive concept provides semiconductor devices that may include a capacitor including a lower electrode, a dielectric layer, and an upper electrode which are sequentially stacked. An electrode-protecting layer may be provided on the capacitor.
| Metal-oxide-metal capacitor structure|
A capacitor from a metal-oxide-metal (“mom”) process may include a plurality of metal layers arranged with different design structures. The metal layers may be connected with vias.
| Electronic device comprising a semiconductor structure having an integrated circuit back end capacitor and thin film resistor and method of manufacturing the same|
An electronic device comprising a semiconductor structure having an integrated circuit back end capacitor and an integrated circuit back end thin film resistor and a method of manufacturing the same is provided. The semiconductor structure comprises a first dielectric layer, a bottom plate of the capacitor and a thin film resistor body.
| Electrolyte synthesis for ultracapacitors|
A method of forming an electrolyte solution involves combining ammonium tetrafluoroborate and a quaternary ammonium halide in a liquid solvent to form a quaternary ammonium tetrafluoroborate and an ammonium halide. The ammonium halide precipitate is removed from the solvent to form an electrolyte solution.
| Airship endurance vtol uav and solar turbine clean tech propulsion|
An aircraft with a wide fuselage having a longitudinal axis, a left and right forward swept wing mounted well back on the fuselage, a tail section extending from the aft portion of the fuselage, a first and second brushless ducted fan with air accelerator ring stationary and integrated into the left and right lateral fuselage, a third brushless ducted fan with integrated air accelerator ring rotatable mounted to the aft tail portion, a solar turbine based external solar film applied on the fuselage and wing surfaces and lateral fan regenerative drive that powers all ducted electric fans, that powers one internal-mounted central master impeller motor, that powers a brushless electric motor that spins three supercharger impellers via pulley chains to enable all three air accelerator rings with super compressed forced air thrust, that recharges ultracapacitors for aircraft propulsion of persistent flight endurance targeted for 30 to 90 days.. .
| Nano complex oxide doped dielectric ceramic material, preparation method thereof and multilayer ceramic capacitors made from the same|
The present invention provides a nano complex oxide doped dielectric ceramic material used for a multilayer ceramic capacitor using a base metal as a material of internal electrodes. The doped dielectric ceramic material comprises barium titanate and a nano complex oxide dopant, wherein the molar ratio of the barium titanate to the nano complex oxide dopant is in the range of (90˜98):(2˜10), the average particle size of the barium titanate is 50˜300 nm and the nano complex oxide dopant has the following formula (1): w a+x b+y c+z d.
| Dye-sensitized type solar cell|
A dye-sensitized solar cell includes: a collective electrode having a light-transmitting function, a photoelectrode to be electrically connected to the collective electrode and being a semiconductor layer having a dye adsorbed thereon, and a counter electrode apart from the photoelectrode arranged in the interior of a tube-shaped vessel formed of a transparent glass; glass sealed portions formed at both ends of the tube-shaped vessel; external leads penetrating through the glass sealed portions and drawn out of the tube-shaped vessel; and an electrolytic solution filled in the tube-shaped vessel and hermetically sealed wherein the counter electrode includes an electric double-layer capacitor, the electric double-layer capacitor includes the counter electrode which also serves as a positive polarized electrode, a negative polarized electrode arranged apart therefrom inside of the counter electrode, and a separator arranged between the counter electrode and the negative polarized electrode, and the electrolytic solution filled therein.. .
| Forming of metallic glass by rapid capacitor discharge forging|
A forging 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.
|Arrow construction system having tip canister electronics|
An arrow construction system comprising a tip canister configured to receive an arrow tip and to attach to an arrow shaft. The tip canister contains a power source and sensitive electronics.
|Switchable filtering circuit and the operation method using the same|
The disclosure provides a switchable filtering circuit and the related operation method, in particular related to a filtering circuit which can be used for bluetooth system and wireless local area network system. By using a first switch, a hybrid filtering circuit and a second switch, the received mode and transmitted mode between these two systems is realized.
|Systems and methods for active interference cancellation to improve coexistence|
This disclosure describes techniques for providing active interference cancellation in a wireless communication system having a bluetooth transmit chain and a wlan receive chain. A signal sampled from the bluetooth transmit chain is gain and phase adjusted to offset interference in the wlan receive chain.
|Loudspeaker constructed from sheets|
A loudspeaker designed with a large area having sandwich-like layer structure includes a plurality of conductive and nonconductive layers which form an active sound-radiating loudspeaker surface. The plurality of conductive and nonconductive layers include a first diaphragm sheet coated with an electrically conductive layer, a second diaphragm sheet coated with an electrically conductive layer, a static high-voltage supply, which generates an electric field between the first electrically conductive layer and the second electrically conductive layer, and an audio source which influences the high-voltage fields between the first electrically conductive layer and the second electrically conductive layer via a capacitor.
|Passive power factor correction incorporating ac/dc conversion|
A passive power factor correction (pfc) circuit is disclosed. It converts an ac input voltage into at least one dc output voltage.
|Switched-mode power supply|
Consistent with example embodiments disclosed, there are switched-mode power supplies (smps) in which a signaling capacitor transmits information across a transformer of the power supply. Such embodiments can avoid drawing power from the output capacitor in order to provide communication signals and so do not cause a drop in the output voltage when signaling to the primary side.
|Switching power supply device|
A switching power supply includes a series resonant circuit that includes a resonant inductor and a resonant capacitor connected in series with a primary winding of a converter transformer. By controlling turning on and off of first and second switching elements in a complementary manner, current is supplied to the series resonant circuit.
|Saturation prevention in an energy transfer element of a power converter|
A controller for use in a power converter includes logic circuits to turn on and off a switch to regulate an output quantity. A first integrating capacitor is charged with a combination of a first current and a second current while the switch is turned on.
|Electroconductive polymer, electroconductive polymer aqueous solution, electroconductive polymer film, solid electrolytic capacitor and method for producing the same|
An electroconductive polymer having high electroconductivity, an electroconductive polymer aqueous solution, and an electroconductive polymer film are provided. Further, a solid electrolytic capacitor having a reduced esr and a method for producing the same are provided.
An electrolyte system suitable for use in an energy storage device (such as a supercapacitor), and energy devices which comprising the electrolyte system which is made up of an ionic liquid, such as li or emi tfsi and a stabilising amount of a stabilising additive. The stabilising additive preferably contains nitrile and or aromatic (benzene) groups, and may be advantageously benzonitrile, cinnamonitrile or succinonitrile.
|Electrode porosity for three-volt ultracapacitor|
An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, a separator positioned between the positive and the negative electrode, and an electrolyte in ionic contact with the electrodes and the separator. At least one of the positive electrode and the negative electrode can be made of a carbon based layer having a mesoporosity and/or a microporosity optimized for ionic mobility therewithin..
|Carbon surface modification for three-volt ultracapacitor|
An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. At least one of the positive electrode and the negative electrode can include a treated carbon material, where the treated carbon material includes a reduction in a number of hydrogen-containing functional groups, nitrogen-containing functional groups and/or oxygen-containing functional groups..
|Coated housing for ultracapacitor|
An electric double-layer ultracapacitor configured to maintain desired operation at an operating voltage of three volts, where the capacitor includes a housing component, a first and a second current collector, a positive and a negative electrode electrically coupled to one of the first and second current collectors, and a separator positioned between the positive and the negative electrode. The capacitor may also include a protective coating disposed on an inner surface of the housing for the ultracapacitor..
|Super capacitor with fibers|
An electrical cell apparatus includes a first current collector made of a multiplicity of fibers, a second current collector spaced from the first current collector; and a separator disposed between the first current collector and the second current collector. The fibers are contained in a foam..
|Spacer-modified graphene electrode for supercapacitor|
A spacer-modified nano graphene platelet electrode, comprising: (a) multiple nano graphene platelets or sheets having an average thickness smaller than 10 nm; and (b) discrete, non-metallic nano-scaled particles that are disposed between two graphene platelets or sheets to serve as a spacer. In such a spacer-modified graphene electrode, large amounts of electrolyte-accessible pores are formed, enabling the formation of large amounts of electric double layer charges in a supercapacitor, which exhibits an exceptionally high specific capacitance..
|Electrode material for aluminum electrolytic capacitor, and process for producing same|
Specifically, the present invention provides an electrode material for an aluminum electrolytic capacitor, which comprises, as constituent elements, a sintered body of a powder of at least one member selected from the group consisting of aluminum and aluminum alloys and an aluminum foil substrate that supports the sintered body thereon, which is characterized in that (1) the powder has an average particle size d50 of 0.5 to 100 μm, (2) the sintered body is formed on one surface or both surfaces of the aluminum foil substrate and has a total thickness of 20 to 1,000 μm, and (3) the aluminum foil substrate has a thickness of 10 to 200 μm and an si content of 10 to 3,000 ppm.. .
|Capacitor and contact structures, and formation processes thereof|
Capacitor and contact structures are provided, as well as methods for forming the capacitor and contact structures. The methods include, for instance, providing a layer of conductive material above a conductive structure and above a lower electrode of a capacitor; etching the layer of conductive material to define a conductive material hard mask and an upper electrode of the capacitor, the conductive material hard mask being disposed at least partially above the conductive structure; and forming a first conductive contact structure and a second conductive contact structure, the first conductive contact structure extending through an opening in the conductive material hard mask and conductively contacting the conductive structure, and the second conductive contact structure conductively contacting one of the lower electrode of the capacitor, or the upper electrode of the capacitor..
An electronic component includes a capacitor having a desired capacitance value and a laminate including a plurality of laminated insulating material layers. Land electrodes are provided on a bottom surface of the laminate.
|Imaging system and method for driving imaging system|
A method drives an imaging system including: a plurality of pixels; an amplifier having an input node connected to the plurality of pixels via an input capacitor, and an output node connected to the input node via a feedback capacitor; and a reset unit configured to reset the input node to a base potential. The method includes the steps of: causing the input capacitor to hold noise output from one of the plurality of pixels; adding signals output from the two or more pixels in the feedback capacitor; and obtaining a difference between a signal applying a gain to a base signal output from the amplifier according to the reset of the input node of the amplifier and the signal added in the feedback capacitor..
A thermal imager includes a detector, a lens, a shutter disposed between the detector and the lens, and a motor operably connected to the shutter for moving the shutter between a first and a second position. There is a source of electrical energy operably connected to one or more of the detector, lens and motor by an electrical circuit.
|Pixel, display device and driving method thereof|
A first reference voltage is applied to a plurality of pixels during a data writing period when data is written and a second reference voltage is applied to the plurality of pixels during a light emitting period when the plurality of pixels emit light, in which each of the plurality of pixels includes a switching transistor to transfer a data voltage applied to a data line to a first node; a driving transistor controlling a driving current flowing into an oled according to the voltage of the first node and a first power supply voltage; and a storage capacitor including a first electrode connected to the first node and a second electrode receiving one of the first reference voltage and the second reference voltage. A difference between the first reference voltage and the second reference voltage is determined according to a threshold voltage deviation characteristic of the display unit..
|Organic light emitting diode display|
An organic light emitting diode (oled) display includes: a substrate; a scan line formed on the substrate and that transfers a scan signal; a data line and a driving voltage line that intersect the scan line and that transfer a data signal and a driving voltage, respectively; a switching thin film transistor (tft) connected to the scan line and the data line; a driving tft connected to the switching tft and the driving voltage line; an oled connected to the driving tft; a storage capacitor connected between the driving voltage line and a driving gate electrode of the driving tft; and a boosting capacitor connected to the storage capacitor, wherein the storage capacitor has at least one capacitor opening.. .
|Organic light emitting diode display|
Oled connected to the driving tft, and a storage capacitor connected to the driving voltage line and a driving gate electrode of the driving tft. The storage capacitor includes a first storage capacitor plate that overlaps the driving voltage line..
|Optical touch display panel|
An optical touch display panel includes a plurality of light-sensing touch units and a position detecting circuit. Each light-sensing touch unit includes a light-sensing component, a storage capacitor, a signal reading component, and a charging component.
|Multi-touch system and method for controlling liquid crystal capacitors to reduce touch sensing interference|
A multi-touch system for controlling liquid crystal capacitors to reduce touch sensing interferences includes k gate driving lines, which are divided into n groups each corresponding to a common voltage conductive line. When a display driving signal is applied to an i-th group of gate driving lines for performing a display driving, the liquid crystal capacitor corresponding to the i-th group is set to a predetermined voltage, where i=1 to n.
|Signal processing circuit, signal processing method, position detecting device, and electronic apparatus|
A signal processing circuit is provided, which is suitable to be connected to a signal receiving conductor of a capacitive position detecting sensor, which has low power consumption and small circuit scale, and which allows setting of a small value as the capacitance value of a capacitor used for i-v conversion. After a receiving conductor is clamped to a predetermined potential by a clamp circuit, this receiving conductor clamped to the predetermined potential is connected to a capacitor circuit via a gate circuit.