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Capacitor

Capacitor-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Forward converter having a primary-side current sense circuit
Lutron Electronics Co., Inc.
August 17, 2017 - N°20170238382

A load control device for controlling the amount of power delivered to an electrical load (e. G., an led light source) includes first and second semiconductor switches, a transformer, a capacitor, a controller, and a current sense circuit operable to receive a sense voltage representative of a primary current conducting through to a primary winding of the transformer. The primary ...
Three-phase ac/dc converter, photochemical reaction device and method using same, and method for producing ...
Toray Industries, Inc.
August 17, 2017 - N°20170238381

Provided are a three-phase ac/dc converter disposed between a three-phase ac power supply and a light emitting diode group, the converter including a three-phase full bridge circuit in which pairs of switching elements are connected in parallel between dc buses for the three phases of the three-phase ac power supply; reactors connecting connection portions between the switching elements and ...
Rf amplifier to increase gain using transformer
Korea Electronics Technology Institute
August 17, 2017 - N°20170237402

An rf amplifier to increase a gain using a transformer is provided. The amplifier includes: a first transistor configured to generate a current by amplifying and converting an input voltage; a second transistor configured to amplify the generated current; and a first transformer configured to feed an emitter current of the second transistor back to a gate. Accordingly, gm of ...
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Power conversion device
Mitsubishi Electric Corporation
August 17, 2017 - N°20170237360

A power conversion device includes a filter capacitor to accumulate therein dc power, and an element unit including a semiconductor element module to perform a switching operation for converting the dc power accumulated in the filter capacitor into ac power. The filter capacitor and the element unit are disposed in the same casing. A heat-resistant capacitor having a higher heat ...
Converter with dc link
Siemens Aktiengesellschaft
August 17, 2017 - N°20170237358

A converter with a dc link for converting an input voltage into an alternating voltage with a pre-determined amplitude and frequency for driving a single or multiple-phase load may include a number of modules which are stackable over one another. Each module may have a ceramic cooling body with a receiving surface on which electronic components of one phase are ...
Switching power supply apparatus
Fuji Electric Co., Ltd.
August 17, 2017 - N°20170237356

A switching power supply apparatus, including serially-connected first and second switching elements, a series circuit of a resonant inductance and a resonant capacitor connected in parallel to the first or second switching element, first and second capacitors respectively connected in parallel to the first and second switching elements, and a switching control circuit that alternately turns on the first and ...
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Power converter with capacitive energy transfer and fast dynamic response
Massachusetts Institute Of Technology
August 17, 2017 - N°20170237351

A converter circuit and related technique for providing high power density power conversion includes a reconfigurable switched capacitor transformation stage coupled to a magnetic converter (or regulation) stage. The circuits and techniques achieve high performance over a wide input voltage range or a wide output voltage range. The converter can be used, for example, to power logic devices in portable ...
Three-d power converter in three distinct strata
International Business Machines Corporation
August 17, 2017 - N°20170237344

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. The switching power supply comprises three distinct strata arranged in ...
Switched-capacitor dc-to-dc converters and methods of fabricating the same
Sk Hynix Inc.
August 17, 2017 - N°20170237342

A switched-capacitor dc-to-dc converter includes a logic cell and a capacitor cell vertically overlapping with the logic cell. The logic cell has a plurality of active elements disposed over a first substrate. The capacitor cell has a capacitor over a second substrate. A first interlayer insulation layer disposed over the first substrate is bonded to a second interlayer insulation layer ...
Tunable dc voltage generating circuit
Richtek Technology Corporation
August 17, 2017 - N°20170237341

A tunable dc voltage generating circuit includes: a resonance circuit including an inductor and an input capacitor coupled in a series connection, and arranged to operably receive an input signal and to operably generate a resonance signal at an output node between the inductor and the input capacitor; a rectifying circuit coupled with the output node and arranged to operably ...
Method and apparatus for intrinsic power factor correction
Momentum Dynamics Corporation
August 17, 2017 - N°20170237340

A resonant induction wireless power transmission apparatus having intrinsic line power factor correction provides a method of wireless transmission with a near unity power factor, low harmonic distortion load at the line connection point without employing specific power factor correction circuitry. The apparatus provides a transmission frequency inverter operated with a rectified sinusoidal supply voltage instead of a conventional direct ...
Soft start systems and methods for multi-level step-up converters
Maxim Integrated Products, Inc.
August 17, 2017 - N°20170237336

A control circuit for a step-up converter includes a soft start module configured to control states of n transistor pairs of the step-up converter, where n is an integer greater than two. A driver module is in communication with the soft start module and configured to generate a first signal when n transistor pairs of the step-up converter are ready ...
Power module
Mitsubishi Electric Corporation
August 17, 2017 - N°20170237335

It is an object to provide a technique where a snubber capacitor having an appropriate capacitance is usable. A power module includes: a third lead having one end electrically connected to a first connection point and the other end exposed from a package, where the third lead is shorter than a first lead; and a fourth lead having one end ...
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Method of controlling the switching of a multilevel converter, a controller for a multilevel converter, ...
Abb Schweiz Ag
August 17, 2017 - N°20170237331

A method of controlling a multilevel converter, a computer program and a controller for a converter is provided. The method includes determining a transition voltage from a control period to a following control period, analyzing the switching cells of each phase leg, selecting capacitors to provide the transition voltage and synthesize the output voltage for the following control period, and ...
A switching cell, a switching module for a chain link, and a chain link for ...
Abb Schweiz Ag
August 17, 2017 - N°20170237330

A switching cell for a chain link includes a first side including a first terminal and a second terminal, a second side including a third terminal and a fourth terminal, a first switching unit, a second switching unit, and a first and a second capacitor unit. The first terminal is connected to the second terminal via the first capacitor unit. ...
Variable-distance wireless-power-transfer system with fixed tuning and power limiting
Murata Manufacturing Co., Ltd.
August 17, 2017 - N°20170237302

A wireless-power-transfer system includes a transmitter circuit and a receiver circuit. The transmitter circuit includes a primary series-resonant capacitor connected to an oscillator-controlled drive stage that provides fixed-frequency output and a transmitting coil connected to the primary series-resonant capacitor. The transmitting resonant frequency is below the fixed frequency of the oscillator-controlled drive stage. The receiver circuit includes a receiving coil, ...
Grid capacitive power storage system
Capacitor Sciences Incorporated
August 17, 2017 - N°20170237274

A capacitor based energy storage system (cbess) and methods of using it are disclosed. The cbess uses meta-capacitors in its capacitive energy storage devices (cesd) to configure capacitive energy storage cells (cesc), which are used to configure capacitive energy storage modules (cesm) to achieve the cbess's function as an uninterruptible power supply. The cbess is connected to a power generation ...
Energy storage cell, capacitive energy storage module, and capacitive energy storage system
Capacitor Sciences Incorporated
August 17, 2017 - N°20170237271

The present disclosure provides an energy storage cell comprising at least one capacitive energy storage device and a dc-voltage conversion device. The capacitive energy storage device comprises at least one meta-capacitor. The output voltage of the capacitive energy storage device is the input voltage of the dc-voltage conversion device. The present disclosure also provides a capacitive energy storage module and ...
Analog/digital converter with charge rebalanced integrator
Analog Devices Global
August 17, 2017 - N°20170237268

A charge rebalancing integration circuit can help keep an output node of a front-end integration circuit within a specified range, e. G., without requiring resetting of the integration capacitor. The process of monitoring and rebalancing the integration circuit can operate on a much shorter time base than the integration time period, which can allow for multiple charge balancing charge transfer ...
Burst optical signal transmission device and burst optical signal transmission method
Nippon Telegraph And Telephone Corporation
August 17, 2017 - N°20170237232

A burst optical signal transmission device which includes a light source for generating and outputting burst signal light, a light source driving circuit for outputting, to the light source, a driving signal for switching between an output time and a stop time of the burst signal light, based on a burst control signal, and a pre-emphasis circuit for outputting a ...
Eliminating reciprocity constraints in radiating and scattering systems with spatio-temporal modulation
Board Of Regents, The University Of Texas System
August 17, 2017 - N°20170237175

A non-reciprocal device using a space-time modulation scheme. By applying the space-time modulation scheme, reciprocity in radiation and scattering scenarios is prevented. Such a scheme utilizes a linear system with simple, compact and inexpensive electronic components compared to the current use of bulky duplexers and non-reciprocal magnet based phase shifters to provide non-reciprocity. One such linear system involves traveling-wave antennas ...
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