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Capacitor patents

      

This page is updated frequently with new Capacitor-related patent applications.




 Electronics assembly with interference-suppression capacitors patent thumbnailElectronics assembly with interference-suppression capacitors
An electronics assembly includes a plurality of first semiconductor chips each having a first load terminal and a second load terminal, a conductor structure having a first conductor strip, a second conductor strip and a third conductor strip, a plurality of first interference-suppression capacitors arranged on the conductor structure and each having a first capacitor terminal and a second capacitor terminal, and a heat sink. The first load terminal of each first semiconductor chip is electrically connected to the first conductor strip, the second load terminal of each first semiconductor chip is electrically connected to the third conductor strip, the first capacitor terminal of each first interference-suppression capacitor is electrically connected to the first conductor strip, the second capacitor terminal of each first interference-suppression capacitor is electrically connected to the second conductor strip, and the heat sink is electrically connected to the second conductor strip..
Infineon Technologies Ag


 Systems and methods for current regulation in light-emitting-diode lighting systems patent thumbnailSystems and methods for current regulation in light-emitting-diode lighting systems
Systems and methods are provided herein for current regulation. An example system controller includes: a first controller terminal configured to receive an input voltage, the first controller terminal being further configured to allow a first current flowing into the system controller based at least in part on the input voltage in response to one or more switches being closed; a second controller terminal configured to allow the first current to flow out of the system controller through the second controller terminal in response to the one or more switches being closed; a fourth controller terminal coupled to the third controller terminal through a first capacitor, the first capacitor not being any part of the system controller; and an error amplifier configured to generate a compensation signal based at least in part on the current sensing signal, the error amplifier including a second capacitor..
On-bright Electronics (shanghai) Co., Ltd.


 Systems and methods for current regulation in light-emitting-diode lighting systems patent thumbnailSystems and methods for current regulation in light-emitting-diode lighting systems
Systems and methods are provided herein for current regulation. An example system controller includes: a first controller terminal configured to receive an input voltage, the first controller terminal being further configured to allow a first current flowing into the system controller based at least in part on the input voltage in response to one or more switches being closed; a second controller terminal configured to allow the first current to flow out of the system controller through the second controller terminal in response to the one or more switches being closed; a fourth controller terminal coupled to the third controller terminal through a first capacitor, the first capacitor not being any part of the system controller; and an error amplifier configured to generate a compensation signal based at least in part on the current sensing signal, the error amplifier including a second capacitor..
On-bright Electronics (shanghai) Co., Ltd.


 Microphone biasing circuitry and method thereof patent thumbnailMicrophone biasing circuitry and method thereof
A host device for use with a removable peripheral apparatus having a microphone, and to the biasing circuitry for said microphone. The host device may have a device connector for forming a mating connection with a respective peripheral connector.
Cirrus Logic International Semiconductor Ltd.


 Unidirectional condenser microphone unit, unidirectional condenser microphone, and  manufacturing unidirectional condenser microphone unit patent thumbnailUnidirectional condenser microphone unit, unidirectional condenser microphone, and manufacturing unidirectional condenser microphone unit
A unidirectional condenser microphone unit is provided that have directionality unaffected by the external environment, and a method of manufacturing the unidirectional condenser microphone. The unidirectional condenser microphone unit having an interior and an exterior, the unidirectional condenser microphone includes a diaphragm, a fixed electrode facing the diaphragm, the fixed electrode constituting a capacitor with the diaphragm, an insulating base disposed in a back face side of the fixed electrode, the insulating base supporting the fixed electrode, an air chamber disposed in the back face side of the fixed electrode, and a gap disposed between the fixed electrode and the insulating base.
Kabushiki Kaisha Audio-technica


 Imaging apparatus and imaging method thereof using correlated double sampling patent thumbnailImaging apparatus and imaging method thereof using correlated double sampling
The present invention relates to an imaging apparatus, including a pixel array comprising a plurality of pixels arranged in rows and columns, wherein at least one of the pixels comprises a capacitor configured to store a reset signal and a pixel signal; and a plurality of column circuits, wherein at least one of the column circuits reads the reset signal and the pixel signal from the capacitor respectively, and generates the difference between the reset signal and the pixel signal, the generation of the pixel signal being later than that of the reset signal.. .
Smartsens Technology (us) Inc.


 Continuous time linear equalization for current-mode logic with transformer patent thumbnailContinuous time linear equalization for current-mode logic with transformer
The present invention is directed to data communication systems and methods. More specifically, embodiments of the present invention provide a cml that uses one or more equalization modules to apply equalization via secondary windings of transformers that are coupled, directly or indirectly, to the cml outputs.
Inphi Corporation


 Mixer circuit and wireless communication device patent thumbnailMixer circuit and wireless communication device
A mixer circuit includes a voltage-current conversion circuit configured to convert a positive-phase voltage signal and a negative-phase voltage signal to a positive-phase current signal and a negative-phase current signal, respectively, a switching circuit having a first terminal for receiving the positive-phase current signal and a second terminal for receiving the negative-phase current signal, and configured to output a positive-phase output signal by switching between the positive-phase current signal and the negative-phase current signal, and a negative-phase output signal by switching between the negative-phase current signal and the positive-phase current signal, a first wiring connecting the first terminal to the voltage-current conversion circuit, a second wiring connecting the second terminal to the voltage-current conversion circuit, and a capacitor connected between the first terminal and the second terminal.. .
Kabushiki Kaisha Toshiba


 Radio transceiver circuit patent thumbnailRadio transceiver circuit
The disclosure relates to transceivers incorporating a transmit-receive switching circuit, embodiments of which include a radio transceiver circuit comprising: a first amplifier for amplifying signals received from an antenna via an antenna connection; a second amplifier for amplifying signals to be transmitted by the antenna via the antenna connection; and a switching circuit connected between an input of the first amplifier and the antenna connection, the switching circuit comprising a capacitor, a switching element and an impedance matching element, wherein the switching element is configured to connect a node between the capacitor and the impedance matching element to a signal ground when the transceiver is in a transmit mode.. .
Catena Holding B.v.


 Method and  indirect conversion of voltage value to digital word patent thumbnailMethod and indirect conversion of voltage value to digital word
A method for indirect conversion of a voltage value to a digital word consisting in sampling an input voltage through a parallel connection of a sampling capacitor to a source of the input voltage, and next in mapping a sample value of the input voltage to a time interval, and in assignment of a corresponding value of n-bit output digital word by the use a control module characterized in that the time interval is mapped to a difference of a length of a reference time and a length of a signal time, while the reference time is generated from an instant when the beginning of the time interval is detected by the use the control module, and the signal time is generated from an instant when the end of the time interval is detected by the use the control module, whereas generation of the reference time and the signal time is terminated at the same instant.. .
Akademia Gorniczo-hutnicza Im. Stanislawa Staszica


Error cancellation in a current digital-to-analog converter of a continuous-time sigma-delta modulator

Apparatus and methods for reducing noise and distortion in current digital-to-analog converters (idacs) are described. Compensating capacitors may be connected to current sources in an idac.
Mediatek Inc.

Apparatus for and programmable matching network for multiple signal types

An apparatus and method are provided. The apparatus includes a multiplexer, including a first input, a second input, a third input, and an output; a first transistor, including a gate, a first terminal, and a second terminal; a first variable capacitor, including a first terminal, a second terminal, and an input; a first inductor, including a first terminal and a second terminal; a second transistor, including a gate, a first terminal, and a second terminal; a second inductor mutually coupled to the first inductor, including a first terminal and a second terminal; a balun-bias switch, including a first input, a second input, a third input, and an output; a second capacitor, including a first terminal, and a second terminal; and a port-switch, including a first input, a second input, a third input, and an output..
Samsung Electronics Co., Ltd.

Elastic composite filter

Disclosed is a technology that enables an elastic composite filter to have a capacitor to remove noise. The elastic composite includes a functional material layer; electrode patterns disposed on top and bottom surfaces of the material layer, respectively; and a conductive elastic member adhered onto the top electrode pattern, wherein the elastic member is coupled electrically and mechanically to the top electrode pattern to be used as an electrode, and the elastic member is in direct contact with a conductive object to provide elasticity..
Joinset Co., Ltd.

Self-regulated reference for switched capacitor circuit

A switched-capacitor circuit comprising a differential operational amplifier and a feedback circuit is described. In some embodiments, the feedback circuit may be configured to provide a reference voltage that is insensitive to temperature and/or process variations.
Mediatek Inc.

Chopper stabilized amplifier with synchronous switched capacitor noise filtering

A chopper stabilzed amplifier with synchronous switched capacitor noise filtering is disclosed. In an exemplary embodiment, an apparatus includes a chopper amplifier having an input that receives an input signal and an output that outputs an amplified signal.
Ixys Corporation

Linearization circuit for a multiple-stage rf power amplifier

A multi-stage radio frequency (rf) power amplifier is presented herein. According to one embodiment, the amplifier comprises: a first amplification stage configured to amplify an input signal to provide a first output signal having a phase distortion; a second amplification stage having an input and configured to amplify the first output signal that is received at the input to provide a second output signal, wherein the second output signal has a carrier frequency (fc) modulated by a signal content (s) having a signal content bandwidth (fs); and a resonant circuit comprising an inductor and a capacitor and having a resonant frequency (fr), the resonant circuit coupled to the input of the second amplification stage and compensating for the phase distortion caused by the first amplification stage at frequencies within the signal content bandwidth fs, wherein the resonant frequency fr is less than the signal content bandwidth fs..
Qorvo Us, Inc.

Brushless motor drive device

A brushless motor drive device includes the following: an inverter circuit configured to energize and drive the winding of a brushless motor; a current detection circuit configured to detect the current value of the winding; a control unit configured to control the rotation of the motor; and an rc filter including a resistor and a capacitor. The control unit includes the following: a drive control unit configured to generate a signal to drive the inverter; a clock generation circuit configured to generate a clock pulse to be used as a reference for an operation period; a pulse output circuit configured to generate a pulse signal with a changing frequency based on the clock pulse and to apply the pulse signal to the rc filter; an ad converter circuit connected to the capacitor of the rc filter and the current detection circuit; and an ad-conversion-error calculation unit configured to calculate the conversion error of the ad converter circuit.
Panasonic Intellectual Property Management Co., Ltd.

Switching converter with improved power density

Disclosed examples include switching power converters, control methods and ripple filter circuits in which first and second switches are connected in series across first and second dc bus nodes, with an inductor connected to a switching node joining the first and second switches and a storage capacitor between the inductor and the second dc bus node. A control circuit operates the switches to alternately transfer ripple energy from a dc bus capacitor of the dc bus circuit through the inductor to the storage capacitor, and then to transfer ripple energy from the storage capacitor through the inductor to the dc bus capacitor to regulate the ripple voltage of the dc bus circuit, and the control circuit provides hysteretic control of the absolute value of the inductor current between a first value and a higher second value during transfer of ripple energy between the dc bus capacitor and the storage capacitor..
Texas Instruments Incorporated

Control of a dead time in a dc-dc converter

A dc-dc converter includes a first switch connected between an input node and a switching node, a second switch connected between a reference node and the switching node, a capacitor having a first terminal connected to one of the input node and the reference node, a transformer including a primary coil connected between the switching node and a second terminal of the capacitor, and a secondary coil, a rectification smoothing circuit that rectifies and smooths a voltage of the secondary coil, and a drive circuit. The drive circuit alternately turns on the first and second switches, such that a dead time during which both the first and second switches are turned off has a length corresponding to a time period during which a voltage of the switching node is transitioning from a low state to a high state or the high state to the low state..
Kabushiki Kaisha Toshiba

Sample-and-hold circuit for generating a variable sample signal of a power converter and method thereof

A sample-and-hold circuit includes a first voltage generation unit, a second voltage generation unit, a stabilization capacitor. The first voltage generation unit generates a first voltage according to a first predetermined delay time and a voltage corresponding to an auxiliary winding of a power converter.
Leadtrend Technology Corp.

Control zero voltage switching buck-boost power converters

A method comprises providing a buck-boost converter comprising a first high-side switch and a first low-side switch connected in series across an input capacitor, a second high-side switch and a second low-side switch connected in series across an output capacitor and an inductor coupled between a common node of the first high-side switch and the first low-side switch, and a common node of the second high-side switch and the second low-side switch, detecting a first voltage resonance waveform across a switch of the buck-boost converter and turning on the switch of the buck-boost converter when the first voltage resonance waveform falls to zero.. .
Futurewei Technologies, Inc.

Switched mode power supply circuit

An smps (switched mode power supply) circuit includes a first switch element, a second switch element, an inductor, a capacitor, a current sensor, a current comparator, and a controller. The first switch element is coupled between a first power node and a switch node.
Mediatek Inc.

Method for limiting the starting current of a step-up-converter

The disclosure relates to a method for limiting the starting current of a step-up-converter that is supplied by a dc voltage source. The step-up converter has a first capacitor, a coil connected in parallel to the first capacitor, a second capacitor connected to the coil in series, and a switch connected to the second capacitor in parallel and connected to the coil in series.
Borgwarner Ludwigsburg Gmbh

Precharge switch-capacitor circuit and method

An input sampling stage circuit includes, a precharge buffer, a precharge switch-capacitor circuit, and an input sampling capacitor. The precharge buffer is configured to buffer an input voltage.
Texas Instruments Incorporated

Over power protection for power converter

A power conversion circuit is provided. A power level of the power conversion circuit is determined by taking a first sample of a voltage potential of a resonant capacitor at a first time.
Semiconductor Components Industries, Llc

Discharge of back-up capacitor by constant current

An electrical arrangement includes a high-voltage battery and a number of electrical utility arrangements connected to the battery via a main switch and a downstream back-up capacitor. A discharge circuit is connected to the capacitor and has a discharge path with an ohmic discharge resistor.
Siemens Aktiengesellschaft

Systems and methods for adaptive fast-charging for mobile devices and devices having sporadic power-source connection

The present invention discloses systems and methods for adaptive fast-charging for mobile devices and devices having sporadic power-source connection. Methods include the steps of: firstly determining whether a supercapacitor of a device is charged; upon detecting the supercapacitor is charged, secondly determining whether a battery of the device is charged; and upon detecting the battery is not charged, firstly charging the battery from the supercapacitor.
Storedot Ltd.

Thermal insulation waveguide and wireless communication device

A thermal insulation waveguide between a high-temperature unit and a low-temperature unit in a vacuum, chamber of an embodiment, the thermal insulation waveguide includes, a first substrate including a first line in the high-temperature unit, a second substrate including a second line in the low temperature unit, and a thermal insulation element connecting the substrates, and including a third line including an inductance component and connecting the first and second lines. The first substrate includes a first capacitor unit connected with the first line.
Kabushiki Kaisha Toshiba

Method of manufacture for single crystal capacitor dielectric for a resonance circuit

A method of manufacturing an integrated circuit. This method includes forming an epitaxial material comprising single crystal piezo material overlying a surface region of a substrate to a desired thickness and forming a trench region to form an exposed portion of the surface region through a pattern provided in the epitaxial material.
Akoustis, Inc.

Trilayer josephson junction structure with small air bridge and no interlevel dielectric for superconducting qubits

A technique relates to a trilayer josephson junction structure. A dielectric layer is on a base electrode layer that is on a substrate.
International Business Machines Corporation

Mechanically tunable superconducting qubit

A system for adjusting qubit frequency includes a qubit device having a josephson junction and a shunt capacitor coupled to electrodes of the josephson junction. A cantilevered conductor is separated from the shunt capacitor by a spacing.
International Business Machines Corporation

Augmented capacitor structure for high quality (q)-factor radio frequency (rf) applications

An augmented capacitor structure includes a substrate and a first capacitor plate of a first conductive layer on the substrate. The augmented capacitor structure also includes an insulator layer on a surface of the first capacitor plate facing away from the substrate and a second capacitor plate.
Qualcomm Incorporated

Display apparatus

A display apparatus includes a plurality of pixels disposed over a substrate. Each pixel includes a scan line extending along a first direction, a data line extending along a second direction which is different from the first direction.
Samsung Display Co., Ltd.

Display apparatus and manufacturing the same

A display apparatus includes a substrate having a plurality of pixel areas, and a pixel circuit including a storage capacitor and a plurality of thin film transistors (tfts) which are disposed in each pixel area. At least one of the plurality of tfts includes a semiconductor layer disposed on the substrate and including a first ion impurity, a source area and a drain area, which are spaced apart from each other, have a first depth from a surface of the semiconductor layer, and include a second ion impurity, a gate electrode disposed on the semiconductor layer between the source area and the drain area, and a bias wiring electrically connected to the semiconductor layer and disposed adjacent to at least one of the source area and the drain area..
Samsung Display Co., Ltd.

Nonvolatile storage device, semiconductor element, and capacitor

A nonvolatile storage device of an embodiment includes a first wiring layer extending in a first direction, a second wiring layer extending in a second direction intersecting with the first direction, a conductive layer between the first wiring layer and the second wiring layer at an intersection of the first wiring layer and the second wiring layer, and a resistance change region including at least one of an oxide, a nitride, and an oxynitride in the first wiring layer. The resistance change region exists in the first wiring layer including an interface between the first wiring layer and the conductive layer..
Kabushiki Kaisha Toshiba

Semiconductor arrangement with capacitor

A semiconductor arrangement includes a logic region and a memory region. The memory region has an active region that includes a semiconductor device.
Taiwan Semiconductor Manufacturing Company Limited

Semiconductor device having supporters and manufacturing the same

A semiconductor device includes storage electrodes on a substrate and one or more supporters configured to couple one or more portions of the storage electrodes. The semiconductor device may include multiple non-intersecting supporters extending in parallel to a surface of the substrate.
Samsung Electronics Co., Ltd.

Semiconductor device and driving method thereof

A semiconductor device including a nonvolatile memory cell in which a writing transistor which includes an oxide semiconductor, a reading transistor which includes a semiconductor material different from that of the writing transistor, and a capacitor are included is provided. Data is written to the memory cell by turning on the writing transistor and applying a potential to a node where a source electrode (or a drain electrode) of the writing transistor, one electrode of the capacitor, and a gate electrode of the reading transistor are electrically connected, and then turning off the writing transistor, so that the predetermined amount of charge is held in the node.
Semiconductor Energy Laboratory Co., Ltd.

Backside coupled symmetric varactor structure

A symmetric varactor structure may include a first varactor component. The first varactor component may include a gate operating as a second plate, a gate oxide layer operating as a dielectric layer and a body operating as a first plate of an area modulating capacitor.
Qualcomm Incorporated

Passive-on-glass (pog) device and method

A device includes a glass substrate and a capacitor. The capacitor includes a first metal coupled to a first electrode, a dielectric structure, and a via structure comprising a second electrode of the capacitor.
Qualcomm Incorporated

Making electrical components in handle wafers of integrated circuit packages

A method for making an integrated circuit package includes providing a handle wafer having a first region defining a cavity. A capacitor is formed in the first region.
Invensas Corporation

Monolithic microwave integrated circuits

Low q associated with passive components of monolithic integrated circuits (ics) when operated at microwave frequencies can be avoided or mitigated using high resistivity (e.g., ≧100 ohm-cm) semiconductor substrates and lower resistance inductors for the ic. This eliminates significant in-substrate electromagnetic coupling losses from planar inductors and interconnections overlying the substrate.
Freescale Semiconductor, Inc.

Techniques for forming integrated passive devices

Techniques are disclosed for forming integrated passive devices, such as inductors and capacitors, using next-generation lithography (ngl) processes, such as electron-beam direct write (ebdw) and extreme ultraviolet lithography (euvl). The techniques can be used to form various different integrated passive devices, such as inductors (e.g., spiral inductors) and capacitors (e.g., metal finger capacitors), having higher density, precision, and quality factor (q) values than if such devices were formed using 193 nm photolithography.
Intel Corporation

Semiconductor device, embedded capacitor unit, semiconductor package, and manufacturing embedded capacitor unit

Jitter that becomes a problem in a semiconductor part which performs high-speed signal processing is reduced. A semiconductor device includes a heat-resistant metal plate, a capacitor part having a lower electrode, a sintered dielectric part, and an upper electrode that are formed on one or more surfaces of the heat-resistant metal plate, a semiconductor chip fixed on the capacitor part, a wire for electrically connecting a lead frame to the semiconductor chip and the upper electrode, and a mold part in which at least the capacitor part and the semiconductor chip are buried.
Panasonic Intellectual Property Management Co., Ltd.

Flat capacitor for an implantable medical device

One aspect provides a capacitor feedthrough assembly having an electrically conductive member dimensioned to extend at least partially through a feedthrough hole of a case of the capacitor, the conductive member having a passage therethrough.. .
Cardiac Pacemakers, Inc.

Sintered electrodes for capacitor anodes, cathodes, anode systems, and cathode systems

A capacitor case sealed to retain electrolyte; a sintered anode disposed in the capacitor case, the sintered anode having a shape wherein the sintered anode includes a mating portion; a conductor coupled to the sintered anode, the conductor sealingly extending through the capacitor case to a terminal disposed on an exterior of the capacitor case; a sintered cathode disposed in the capacitor case, the sintered cathode having a shape that mates with the mating portion of the sintered anode such that the sintered cathode matingly fits in the mating portion of the sintered anode; a separator between the sintered anode and the sintered cathode; and a second terminal disposed on the exterior of the capacitor case and in electrical communication with the sintered cathode, with the terminal and the second terminal electrically isolated from one another.. .
Cardiac Pacemakers, Inc.

Capacitor

A capacitor that includes a porous metallic base material; a phosphorus-containing layer on the porous metallic base material; a dielectric layer on the phosphorus-containing layer; and an electrode on the dielectric layer.. .
Murata Manufacturing Co., Ltd.

Assembly techiniques for sintered anodes and cathodes

An apparatus including a capacitor case sealed to retain electrolyte; a plurality of sintered anodes disposed in the capacitor case, each of the plurality of sintered anodes having a hole at least partially through the sintered anode; and at least one post placed through the holes of the plurality of sintered anodes to electrically couple the sintered anodes.. .
Cardiac Pacemakers, Inc.

Capacitor component and board having the same

A capacitor component includes a capacitor body including dielectric layers and first and second internal electrodes alternately stacked; and a connection terminal coupled to the capacitor body and including a buffer member having insulating properties and at least one conductive fiber portion penetrating through the buffer member.. .
Samsung Electro-mechanics Co., Ltd.

Track and hold with active charge cancellation

A track and hold circuit includes a primary sampling capacitor, a primary switching transistor, and a cancellation transistor. The primary switching transistor is configured to provide a track state that connects an input signal to the primary sampling capacitor and a hold state that isolates the input signal from the primary sampling capacitor.
Texas Instruments Incorporated

Methods and apparatus to program multi-level cell memory using target-only verify

A disclosed example includes generating a first binary value corresponding to a first sensed threshold voltage of a multi-level cell (mlc) memory cell corresponding to a first time at which a bias voltage is applied to a temporary bias cache capacitor of the mlc memory cell; generating a second binary value corresponding to a second sensed threshold voltage of the mlc memory cell corresponding to a second time at which the bias voltage is not applied to the temporary bias cache capacitor of the mlc memory cell; and based on the first and second binary values, selecting whether to program the mlc memory cell using a full program pulse or a partial program pulse.. .
Intel Corporation

Driving circuit applied to lcd apparatus

A driving circuit applied to a lcd apparatus is disclosed. The driving circuit includes a channel data line, a reference voltage generation unit, an external storage capacitor, a comparing unit, a switching unit, and an operation unit.
Raydium Semiconductor Corporation

Display device

A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels includes a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor.
Panasonic Liquid Crystal Display Co., Ltd.

Pixel, organic light emitting display device including the pixel, and driving the pixel

A display device includes a first pixel including a first light emitter, a second pixel including a second light emitter, and a holding capacitor connected to the first and second pixels. The holding capacitor stores first data for the first light emitter and stores second data for the second light emitter at different times.
Samsung Display Co., Ltd.





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