|| List of recent Capacitor-related patents
|Coldplate with integrated dc link capacitor for cooling thereof|
A coldplate for use with an inverter of an electric vehicle includes a coldplate member. The coldplate member includes a pocket configured to receive a dc link capacitor of the inverter therein.
|Two-stage power delivery architecture|
A two-stage power delivery network includes a voltage regulator and an interposer. The interposer includes a packaging substrate having an embedded inductor.
|Method and system for improving led lifetime and color quality in dimming apparatus|
In a pulse width modulation light emitting diode (led) controller an error amplifier and output load switch are synchronously controlled to prevent service life shortening current overshoot through the leds and slowing discharging currents causing color temperature shifting in the light output from the leds. A plurality of switching arrangements for the error amplifier and the compensation network may be provided in a single integrated circuit led dimming controller, and outputs for controlling a variety of differently configured output power switch combinations for disconnecting or shorting the leds, or disconnecting the output capacitor during off times of the modulated dimming control signal..
Microchip Technology Incorporated
|Dimmable universal voltage led power supply with regenerating power source circuitry and non-isolated load|
A light-emitting diode (led) lighting device has an led and a power supply including an inductor coupled to the led. A cathode of the led is coupled to the inductor opposite an anode of the led.
|Glitch detection and detecting a glitch|
System and method for detecting a glitch is disclosed. An embodiment comprises increasing a bias voltage of a first capacitor, sampling an input signal of a first plate of the first capacitor with a time period, mixing the input signal with the sampled input signal, and comparing the mixed signal with a reference signal..
Infineon Technologies Ag
|Solid-state image capture device and image capture device|
A solid-state image capture device includes a plurality of pixels and a first substrate and a second substrate in which circuit elements constitutes the pixels are disposed and which are electrically connected by a connection unit. The pixels includes: photoelectric conversion elements disposed in the first substrate and generating signals corresponding to amounts of incident light; sample hold capacities disposed in the second substrate and holding output signals corresponding to the signals generated by the photoelectric conversion elements; and a clamp capacitor disposed in the second substrate, shared by the plurality of pixels, and clamping voltages of the output signals held in the plurality of sample hold capacities.
|Elements to counter transmitter circuit performance limitations|
Embodiments of the invention are generally directed to elements to counter transmitter circuit performance limitations. An embodiment of an apparatus for driving data on a differential channel including a first output terminal and a second output terminal includes a differential driver circuit; and a first pre-driver and a second pre-driver, where each pre-driver has an output, wherein the first output terminal of the apparatus is coupled to the output of the first pre-driver, and the second output terminal of the apparatus is coupled to the output of the second pre-driver, where each pre-driver includes one or more capacitors, a first end of each capacitor being connected to the output of the pre-driver and a second end of each of the capacitors being connected to a sub-pre-driver circuit..
Lattice Semiconductor Corporation
|Method and circuit for temperature dependence reduction of a rc clock circuit|
A method and a circuit for generating a clock signal from a clock integrated circuit are introduced herein. A compensation voltage is generated according to a temperature coefficient of a resistor and a clock period of a clock circuit, where the compensation voltage is resistor-corner independent.
Macronix International Co., Ltd.
Disclosed herein is a piezoelectric package including: a body having a piezoelectric component mounted therein and having a lower surface electrode provided on a bottom surface thereof, the lower surface electrode being electrically connected to the piezoelectric component; a groove part formed on the bottom surface of the body; and a capacitor component provided in the groove part and electrically connected to the piezoelectric component.. .
Samsung Electro-mechanics Co., Ltd.
|Noise filter and harness|
A noise filter includes a filter device and a filter retainer. The filter device includes a device unit having at least one capacitor provided therein, an input side lead wire extending from the device unit, an output side lead wire extending from the device unit, and a ground connection portion provided on the device unit.
A baseband signal-conditioning architecture applicable to radio receivers uses switched-capacitor techniques to provide high-performance signal conditioning in low-voltage, deep-submicron processes (e.g., 65 nm and below). In the architecture, a first mixer is coupled to an antenna receiving the signal, and outputs a first mixer output signal based on the signal received by the antenna.
Dust Networks, Inc.
Wound field synchronous machine with resonant field exciter
A brushless field exciter for wound synchronous machines that uses the resonance of the leakage inductance and a capacitor in a resonant field exciter to transfer energy to the rotating field winding. By resonating at frequencies greater than 50 khz, this exciter reduces the overall size and weight of synchronous wound field motors at all power levels and extends the practical and economic power limits of synchronous wound field machines down to low integral and fractional hp applications, eliminating the permanent magnets now used in high efficiency motors and generators in that power range..
Electromagnetic type retarder with multi-functions
An electromagnetic retarder includes a stator yoke, a plurality of magnetic coils, and a steel rotor; a control device; a driving device for a high revolution region having transistors; and a driving device for a low revolution region having a battery, a diode for inhibiting reverse current, and transistors. The magnetic coils of each phase are coupled with capacitors so as to form a resonance circuit.
Tbk Co., Ltd.
Multi-level power converter
This is a multi-level converter comprising at least one arm (b) formed of n stages (et1, et2, . .
Schneider Toshiba Inverter Europe Sas
Method foroperating an electrical circuit and electrical circuit
A method for operating an electrical circuit, in particular of a converter is described. The circuit, in at least one embodiment, includes a line-side converter that is coupled to a capacitor.
Converteam Technology, Ltd.
Voltage adjusting apparatus
Provided are: a second serial transformer 21 having a primary side connected in series to a secondary side of a first serial transformer 13 having a primary side connected in series to the system and to a secondary side of a parallel transformer 14 having a primary side connected in parallel to the system; and a first ac/dc converter 22 having an ac side connected to a secondary side of the second serial transformer 21. The first ac/dc converter 22 has a switching element 22c connected between an ac terminal 22a and a dc terminal 22b, an antiparallel diode 22d, and a capacitor 22e..
A dc to dc converter includes: first and second switching elements connected at a first connection point between a first input/output terminal and a first ground terminal; third and fourth switching elements connected at a second connection point between the first input/output terminal and the first ground terminal; a resonant capacitor and a resonant inductor connected in series between the first and second connection points; fifth and sixth switching elements connected at a third connection point between a second input/output terminal and a second ground terminal; seventh and eighth switching elements connected at a fourth connection point between the second input/output terminal and the second ground terminal; a transformer; and a control circuit. The control circuit is operable to adjust the pulse waveforms for switching the fifth to eighth switching elements when voltage at the second input/output terminal is stepped down and output from the first input/output terminal..
Panasonic Intellectual Property Management Co., Ltd.
Single-pole switch power source
A single-stage switched-mode power supply comprises: a dual-source ac rectifying unit (501), for converting an alternating current input by an alternating current power source into at least two direct current sources, namely, a first direct current source (606) and a second direct current source (607); a combination switch unit, at least comprising a first switch circuit (603) and a second switch circuit (605), used for respectively performing power conversion on the first direct current source (606) and the second direct current source (607), to output a direct current, wherein the first direct current source (606) is connected to the first switch circuit (603) through an energy-storage capacitor (604), the first switch circuit (603) is any circuit capable of functioning as a switch circuit, and the second switch circuit (605) is a circuit capable of functioning as a flyback switch circuit. The single-stage switch power supply has complete power factor correction and output hold-up time, and further improves power source conversion efficiency..
Power supply device
A power supply device supplies power to a load by combining a secondary battery and a capacitor connected in parallel to the secondary battery. The power supply device includes an insulation type dc-dc converter with a primary coil connected in parallel to the secondary battery and configured to accumulate energy by a current supplied from the secondary battery and a secondary coil configured such that an induction current flows thereinto from the primary coil by the accumulated energy, and a switching circuit configured to selectively connect the secondary coil in series to the capacitor in forward and opposite directions..
Volvo Truck Corporation
Charge pump with wide operating range
A charge pump at least includes a current source, a first switch, a second switch, a level-shift circuit, and a capacitor. The first switch is coupled between the current source and an internal node.
Enabling nearly constant rate of change of discharge current in an inductor discharging circuit by optimizing a snubber resistor value
Protecting the switching part of an inductive discharge circuit typically incorporates a power output capacitor and a snubber circuit, incorporating a resistor to dissipate the output coil's stored inductive energy. To effect a nearly constant rate of change of the output inductor's current during the time the snubber circuit is active requires transforming the latter by establishing an optimal snubber resistor value.
Single power supply level shifter
A single power supply level shifter has first and second inverters in tandem that invert an input signal from a first voltage domain and provide a first inverted signal and an output signal in a second voltage domain. A charging control circuit charges a capacitor towards the second voltage when the input signal is high, and conducts a discharge current from the capacitor during a transition of the input signal from high to low to accelerate a corresponding transition of the first inverted signal from low to high.
Freescale Semiconductor, Inc.
Method, system and device for controlling charging of batteries in electronic cigarettes
A system, a method, and a device for controlling charging of batteries in electronic articles, and more particularly for controlling charging of batteries in electronic cigarettes. In one embodiment, a charging system for an electronic cigarette can comprise a pack that can comprise a pack battery electrically coupled to an ultra-capacitor.
Battery protection module package
Disclosed is a battery protection module package (pmp). The battery pmp according to an embodiment of the present invention includes a lead frame provided with a plurality of external terminals thereon, a printed circuit board stacked on the lead frame, and a plurality of internal terminals, a protection integrated chip (ic), a field effect transistor (fet), resistors, and capacitors disposed on the printed circuit board and electrically connected to each other, wherein the resistors and the capacitors are mounted on a pattern of the printed circuit board using surface mount technology (smt), and wherein the plurality of internal terminals are electrically connected to the plurality of external terminals..
Itm Semiconductor Co.,ltd
Power supply device
A power supply device for supplying power to a load by combining a secondary battery and a capacitor includes a switching element which switches the supply of power to the load from the capacitor, a dc-dc converter which enables a voltage of the capacitor to be stepped up and supplied to the load and a control unit which enables power to be supplied to the load by pulse-controlling the switching element, controlling the dc-dc converter to output a pulse current alternately with the switching element and combining the alternately output pulse currents if the voltage of the capacitor drops below a minimum voltage capable of driving the load.. .
Volvo Truck Corporation
Systems and methods for discharging an input capacitance
An electronic device including first and second line inputs, first and second device inputs, a filter circuit, and a switching circuit. The filter circuit has a first input electrically coupled to the first line input, a second input electrically coupled to the second line input, a first output electrically coupled to the first device input, a second output, and at least one capacitor electrically coupling at least one of the first input to the second input or the first output to the second output.
Schneider Electric It Corporation
Semiconductor device in a semiconductor substrate and manufacturing a semiconductor device in a semiconductor substrate
A semiconductor device in a semiconductor substrate includes a trench in a first main surface of the semiconductor substrate. The trench includes a first trench portion extending in a first direction and a second trench portion extending in the first direction.
Infineon Technologies Ag
Decoupling capacitor and making same
A semiconductor substrate has at least two active regions, each having at least one active device that includes a gate electrode layer, and a shallow trench isolation (sti) region between the active regions. A decoupling capacitor comprises first and second dummy conductive patterns formed in the same gate electrode layer over the sti region.
Taiwan Semiconductor Manufacturing Co., Ltd.
Display panel and display device
A display panel and a display device are provided, and the display panel comprises a goa circuit; a first conducting wire and a second conducting wire are disposed in a region outside the goa circuit; an insulating layer is disposed between the first conducting wire and the second conducting wire; and the first conducting wire, the insulating layer and the second conducting wire form a first capacitor. The display panel can protect the internal signal lines of the goa circuit and the display panel, and increase the antistatic ability of the display panel and the yield of products..
Beijing Boe Optoelectronics Technology Co., Ltd.
Semiconductor device and method fabricating the same
According to an exemplary embodiment, a semiconductor device is provided. The semiconductor device includes a first seal ring and a first circuit.
Taiwan Semiconductor Manufacturing Company Limited
Manufacturing semiconductor substrate and semiconductor device
Provided is a highly integrated semiconductor device, a semiconductor device with large storage capacitance with respect to an area occupied by a capacitor, a semiconductor device capable of high-speed writing or reading, a semiconductor device with low power consumption, or a highly reliable semiconductor device. Provided are steps of forming a first oxide semiconductor over a first substrate, forming a first insulator over the first oxide semiconductor, injecting an ion into a region of the first oxide semiconductor through the first insulator, bonding a surface of the first insulator provided with the first substrate to a surface of a second insulator over a second substrate, performing a heat treatment in a state where the surfaces are bonded, separating the first substrate from the second substrate along the region of the first oxide semiconductor, and forming a second oxide semiconductor over the second substrate..
Semiconductor Energy Laboratory Co., Ltd.
The fast switch includes: a housing; a vacuum interrupter installed in the housing, connected to a main circuit, and configured to open and close the main circuit; a contact spring coupled to a mover of the vacuum interrupter, and configured to provide a contact force; an insulating rod connected to the contact spring; a permanent magnet actuator connected to a lower end of the insulating rod, and configured to provide a switching driving force; a first capacitor configured to provide a discharge current to a coil of the permanent magnet actuator; a driving coil connected to a lower end of the permanent magnet actuator; and a second capacitor configured to provide a discharge current to the driving coil.. .
Lsis Co., Ltd.
Supercapacitor having improved conductivity properties and manufacture
An improved supercapacitor includes a first and second electrode with each electrode made at least in part from a highly-porous electrically conductive material, a insulative separator separating the electrodes; a first electrically conductive current collector in physical and electrical contact with the first electrode; and a second electrically conductive current collector in physical and electrical contact with the second electrode, wherein at least one current collector is configured to have multiple separate portions with each portion having a current capacity that varies as a function of current passing through during capacitive operation.. .
Lockheed Martin Corporation
High capacity electrode for electric dual layer capacitor and manufacturing the same
A high capacity electrode includes a through type aluminum sheet, a plurality of first hollow protrusion members protruded to one side of the through type aluminum sheet, a plurality of second hollow protrusion members protruded to the other side of the through type aluminum sheet, a first carbon nanofiber electrode sheet bonded to the first surface of the through type aluminum sheet, and a second carbon nanofiber electrode sheet bonded to the second surface of the second surface of the through type aluminum sheet.. .
Korea Jcc Co., Ltd.
Flexible and transparent supercapacitors and fabrication using thin film carbon electrodes with controlled morphologies
Mechanically flexible and optically transparent thin film solid state supercapacitors are fabricated by assembling nano-engineered carbon electrodes in porous templates. The electrodes have textured graphitic surface films with a morphology of interconnected arrays of complex shapes and porosity.
William Marsh Rice University
Supercapacitor having a circuit board defining an electrolyte chamber
An apparatus, the apparatus including first and second circuit boards, and an electrolyte, the first and second circuit boards each including a capacitive element, wherein the apparatus is configured such that a chamber is defined between the first and second circuit boards with the capacitive elements contained therein and facing one another, the chamber including the electrolyte, and wherein the apparatus is configured to store electrical charge when a potential difference is applied between the capacitive elements.. .
Nokia Technologies Oy
Low resistance electrode for electric dual layer capacitor and manufacturing the same
A low resistance electrode includes a through type aluminum sheet, a plurality of first hollow protrusion members protruded to one side of the through type aluminum sheet, a plurality of second hollow protrusion members protruded to the other side of the through type aluminum sheet, a conductive adhesive layer coated on a first surface and second surface of the through type aluminum sheet, a first active material sheet bonded to the first surface of the through type aluminum sheet, and a second active material sheet bonded to the second surface of the second surface of the through type aluminum sheet.. .
Korea Jcc Co., Ltd.
High voltage electrode for electric dual layer capacitor and manufacturing the same
A high voltage electrode includes a through type aluminum sheet, a plurality of first hollow protrusion members protruded to one side of the through type aluminum sheet, a plurality of second hollow protrusion members protruded to the other side of the through type aluminum sheet, a metal oxidation layer coated on the through type aluminum sheet, the plurality of first hollow protrusion members, and the plurality of second hollow protrusion members, a first active material sheet bonded to the metal oxidation layer so that it is placed in the first surface of the through type aluminum sheet, and a second active material sheet bonded to the metal oxidation layer so that it is placed in the second surface of the through type aluminum sheet.. .
Korea Jcc Co., Ltd.
High density electrode for electric dual layer capacitor and manufacturing the same
A high density electrode includes a through type aluminum sheet, a plurality of first hollow protrusion members protruded to one side of the through type aluminum sheet, a plurality of second hollow protrusion members protruded to the other side of the through type aluminum sheet, a first active material sheet bonded to the first surface of the through type aluminum sheet, and a second active material sheet bonded to the second surface of the second surface of the through type aluminum sheet.. .
Korea Jcc Co., Ltd.
Integrable electrochemical capacitor
An integrable electrochemical capacitor and methods for manufacturing the same are disclosed. The electrochemical capacitor comprises a first electrode comprising a first rigid piece having a first porous portion, a second electrode comprising a second rigid piece having a second porous portion, and an electrolyte in contact with the first porous portion and the second porous portion.
Teknologian Tutkimuskeskus Vtt
High-temperature long lifespan electrode for electric dual layer capacitor and manufacturing the same
A high-temperature long lifespan electrode includes a through type aluminum sheet, a plurality of first hollow protrusion members protruded to one side of the through type aluminum sheet, a plurality of second hollow protrusion members protruded to the other side of the through type aluminum sheet, a metal protection layer coated on the through type aluminum sheet, the plurality of first hollow protrusion members, a first active material sheet bonded to one surface of the through type aluminum sheet, and a second active material sheet bonded to the other surface of the second surface of the through type aluminum sheet.. .
Korea Jcc Co., Ltd.
Hybrid energy storage device
A hybrid energy storage device includes a positive pole including a supercapacitor first electrode and a battery positive electrode located in a same plane and contacts with each other, a negative pole including a supercapacitor second electrode and a battery negative electrode located in a same plane and contacts with each other, and a separator located between the positive pole and the negative pole. The supercapacitor second electrode, the battery negative electrode, the supercapacitor first electrode, the battery positive electrode, and the separator are planar structures.
Hon Hai Precision Industry Co., Ltd.
Hybrid energy storage device
A hybrid energy storage device includes a positive pole formed by stacking a supercapacitor first electrode and a battery positive electrode, a negative pole formed by stacking a supercapacitor second electrode and a battery negative electrode, and a separator located between the positive pole and the negative pole. The supercapacitor second electrode, the battery negative electrode, the supercapacitor first electrode, the battery positive electrode, and the separator are planar structures.
Hon Hai Precision Industry Co., Ltd.
Electrode, device including same and manufacturing method thereof
The invention relates to an electrode, to the method for manufacturing same and to a device for storing and delivering electric power including same. The electrode of the invention includes a mounting, made of a conductor or semiconductor material, the mounting including, on at least one of the surfaces thereof, at least one nanostructure made of a semiconductor material, characterized by also including a protective layer made of a material selected among a dielectric material having an intrinsic capacity of 1.5 10−6 to 10 10−6 f/cm2 and a metal, the layer having a thickness that is less than the height of said nanostructure, and covering the at least one nanostructure.
University Joseph Fourier
Electrolytic capacitor and manufacturing method thereof
An electrolytic capacitor includes wound body, a solid electrolyte layer, and resin layer. Wound body is formed by winding a positive electrode member having a surface with a dielectric film thereon and a negative electrode member.
Panasonic Intellectual Property Management Co., Ltd.
Solid electrolytic capacitor and manufacturing same
A solid electrolytic capacitor includes anode, dielectric layer formed on anode, and conductive polymer layer formed on dielectric layer. A surface of dielectric layer is dotted with coupling particles.
Panasonic Intellectual Property Management Co., Ltd.
Flash-memory low-speed read mode control circuit
The present invention discloses a flash-memory low-speed read mode control circuit, which comprises a charge pump, a first voltage division circuit composed of two resistors and a first switch interconnected in series, and a second voltage division circuit composed of two capacitors interconnected in series. The first switch is used for switching between the data read mode of the low-speed read mode and the charge pump electric-leakage mode.
Driving circuit for display panel and driving method thereof
A driving circuit of a display panel and driving method thereof are provided. The driving circuit of the display panel has a capacitor, a first, second, third, fourth, fifth, and sixth thin film transistor, a reset thin film transistor, and an output thin film transistor.
Shenzhen China Star Optoelectronics Technology Co. Ltd.
Sensing apparatus of display panel
The sensing apparatus includes a sensor and a sampling amplifier. The sensor includes switches, capacitors and gain amplifiers.
Himax Technologies Limited
Display unit, display driving unit, driving method, and electronic apparatus
It is an object of the disclosure to generate a driving signal having large amplitude at the time of driving pixels, and there is provided a display unit, a display driving unit, a driving method, or an electronic apparatus that includes: a first transistor (tr2) including a gate, a drain, and a source; a first capacitor (c2) including a first terminal and a second terminal that is connected to one of the drain and the source of the first transistor; and a unit pixel configured to be driven based on a voltage of the second terminal.. .
Portable alarm system
A portable alarm system is disclosed. The portable alarm system includes a portable base station, which has an outer housing that encloses a power supply and a watertight secondary protective housing.
Switched mode power supply output filter configuration
Method determines a configuration of capacitors in an output filter of a switched mode power supply (smps). Candidate configurations are generated, each associated with a respective cost function value calculated based on number of capacitors of each kind in the candidate configuration and cost assigned to each kind of capacitor.
Telefonaktiebolaget L M Ericsson (publ)
System and digital signaling and digital storage
Systems and methods for storing and/or communicating digital data associated with amplitudes and phases of a virtual periodic waveform having a designated period between components include, in one embodiment, circuitry that converts a first amplitude and a first phase to a first corresponding voltage or current and applies the first corresponding voltage or current to a first one of the plurality of components, such as conductors connecting integrated circuit chips or capacitors of a dram device, and converts the first amplitude and the first phase to (n−1) corresponding voltages or currents based on amplitudes of the periodic waveform phase shifted by about m*(360/n) relative to the first phase where m is indexed from one to (n−1) and applies each corresponding voltage or current to an associated component. Decoding is performed by comparing magnitudes of the component signals relative to one another rather that to a plurality of thresholds..
Brilliant Points, Inc.
Voltage difference-based capacitive touch detection device, capacitive touch detection method and capacitive touch screen panel, and display device with built-in capacitive touch screen panel
Provided is a new capacitive touch detection device, detection method, and touch screen panel for detecting a touch signal by detecting a voltage difference of a sensor pattern from a driving voltage applied by an auxiliary capacitor, and to a display device having a built-in capacitive touch screen. A capacitive touch detection device includes: a sensor pattern (10) forming a touch capacitance (ct) in between a touch input device and the sensor pattern; an auxiliary capacitor (caux) connected on one side to the sensor pattern (10) and having a driving voltage for touch detection applied to the other side thereof; a charging unit (12) for providing pre-charge signals to the touch capacitance (ct) and the auxiliary capacitor (caux); and a touch detection sensor (14) which is connected to the sensor pattern (10) and which detects a touch signal by detecting a voltage difference in the sensor pattern (10) when the touch capacitance (ct) is added to the auxiliary capacitor (caux) according to a touch of a touch input instrument.
Complete power management system implemented in a single surface mount package
A complete power management system implemented in a single surface mount package. The system may be drawn to a dc to dc converter system and includes, in a leadless surface mount package, a driver/controller, a mosfet transistor, passive components (e.g., inductor, capacitor, resistor), and optionally a diode.
Image forming apparatus
A bias circuit sets a value of a bias current using a correction coefficient α=0.5 for a predetermined time period from when a state in which a first capacitor and a second capacitor are not charged, then changes the correction coefficient to α=0.9 which is larger than α=0.5, and sets a value of the bias current obtained by using the correction coefficient α=0.9. The constant current source supplies the light emitting element with the bias current obtained by using the correction coefficient α=0.9 and supplies the bias current with a switching current, and thus an electrostatic latent image is formed..
Canon Kabushiki Kaisha
Piezoelectric-based multiple impact sensors and their electronic circuitry
An electrical energy harvesting device for harvesting electrical energy from a pulsed impact loading event. The device including: a piezoelectric element configured to be loaded and unloaded to a first load level by the pulsed impact loading event; and a first inductor coupled to the piezoelectric element configured to be loaded and unloaded to a second load level by the pulsed impact loading event, wherein the piezoelectric element and the first inductor together operate as a first inductor/capacitor (lc) resonant circuit having a first resonance frequency and wherein the loading of the first inductor lags in time the loading of the piezoelectric element..
Omnitek Partners Llc
Capacitive sensor device with associated evaluation circuit
A capacitive sensor device includes a sensor electrode coupled to a first switch and coupleable either to a sensor operating voltage or to an evaluation circuit, configured as a power source circuit. A first current path is coupleable to the sensor electrode at an input end and to ground via a collector and emitter of a first transistor by an auxiliary resistor.
Huf Huelsbeck & Fuerst Gmbh & Co.
Electric parking brake system
According to an electric parking brake system, a power loss of when detecting a position or a displacement of a plunger is reduced without arranging a sensor, and a mounting space is also reduced. A resonance capacitor is connected to a coil of a solenoid to form a resonance circuit, and a drive current superimposed with a resonance frequency is input to the solenoid forming the resonance circuit.
Method for manufacturing a rolling bearing and rolling bearing manufactured according to such a method
This method is for manufacturing a rolling bearing having a rotatable ring, a non-rotatable ring, rolling bodies and a flange coupled with a first ring amongst the rotatable ring and non rotatable ring. This method includes at least the following steps: forming the rings and the flange as three independent parts, immobilizing a weldable insert onto the first ring, by electro magnetic pulse technology (empt) or by capacitor discharge welding (cw), and welding together the insert and the flange or the insert and a flange holding member.
Methods and systems for controlling voltage switching
Power systems and methods are disclosed herein. The systems and methods use a switching system coupled with a power source and subterranean pumps for pumping a resource from beneath a surface of earth.
General Electric Company
Electronic latch of a motor-vehicle closure device, provided with an improved backup energy source
An electronic latch assembly for a closure device of a motor vehicle, having an actuator group operable to control actuation of the closure device and an electric motor controllable to drive the actuator group and supplied, during a normal operating condition, by a main power source of the motor vehicle providing a main supply voltage (vbatt); the electronic latch assembly has a backup energy source, and a control unit controlling the backup energy source to supply the electric motor during a failure operating condition. The backup energy source has a supercapacitor group, which stores energy during the normal operating condition and provides a backup supply voltage (vsc) to supply the electric motor (9) during the failure operating condition..
Magna Closures Inc.
Backup energy source for automotive systems and related control method
A backup energy source (1) for an automotive system (102) in a motor vehicle (101) is designed to receive a main supply voltage (vbatt), during a normal operating condition, and to provide a backup supply voltage (vsc) during a failure operating condition, different from the normal operating condition. The backup energy source (1) has a control unit (2), and a supercapacitor group (4), operable by the control unit (2) to store energy during the normal operating condition and to provide the backup supply voltage (vsc) during the failure operating condition.
Magna Closures Inc.
Self-charging electric vehicle and aircraft and wireless energy distributions system
A system and method to provide fast charge and discharge of electrical power without wires between two elements configured to have resonant tuned coils and circuits. The coils are energized by a power source that includes super capacitors, fast charging batteries and oscillating power management system..
Paradigm Shifting Solutions
A safety system, a operating a safety system and a building a safety system
The invention relates to a safety system for an inductive power transfer system for transferring power to a vehicle on a surface of a route, wherein the primary unit comprises at least one primary winding for generating an electromagnetic primary field for the inductive power transfer, wherein a charging surface of the route is assigned to the primary winding. The safety system comprises at least one capacitive sensing system, wherein the capacitive sensing system comprises multiple detection capacitors, wherein the multiple detection capacitors are arranged in an array structure, and wherein the array structure covers the charging surface at least partially.
Bombardier Transporation Gmbh
Hybrid power control vehicle
A hybrid power control apparatus for a vehicle includes an inverter module disposed in a housing; a low dc-dc converter (ldc) module disposed in the housing; and a component mounting part attachably/detachably assembled in the housing. In the hybrid power control apparatus, the inverter module includes a plurality of power modules; a cooler contacts both surfaces of each power module so as to carry out heat conduction, the cooler assembled to the component mounting part; and a capacitor module assembled in a form where the capacitor module is stacked on one side of the cooler so as to carry out heat conduction.
Kia Motors Corporation
Electrical discharge irrigator apparatus and method
An electrical discharge irrigation device and method is described. The device includes a power source to produce a first voltage, a circuit coupled to the power source to convert the first voltage to a second voltage, a discharge capacitor to receive the second voltage from the circuit, at least one of a transistor and a controlled rectifier coupled to the discharge capacitor to receive the second voltage, and an output tip.
American Eagle Instruments, Inc.
Printed circuit board and electric filter
A printed circuit board and an electric filter. The printed circuit board is arranged to accommodate an electric circuitry on one side, and an electrically conductive material on the other side which forms a common ground point with the electric circuitry and a device contacting the conductive material.
Imaging apparatus, driving imaging apparatus, and apparatus using the imaging apparatus
Provided is an imaging apparatus, including: a photoelectric conversion element; an amplifier transistor configured to output a voltage corresponding to electric charges generated by the photoelectric conversion element; a load transistor configured to supply a bias current to the amplifier transistor; and a voltage supply unit configured to input one of a first voltage and a second voltage, which have different voltage values, to a control node of the load transistor via an input capacitor. In the imaging apparatus, a current value of the bias current to be supplied by the load transistor at a time when the second voltage is input to the control node via the input capacitor is larger than a current value of the bias current to be supplied by the load transistor at a time when the first voltage is input to the control node via the input capacitor..
Canon Kabushiki Kaisha
A photosensor arrangement may include an amplifier configured to receive charge from a photosensor device at a first input, and a second input configured to receive a first reference voltage. The amplifier may provide an output voltage on an output.
Stmicroelectronics (research & Development) Limited
Radio frequency switch
A radio frequency switch may include: a common port transmitting and receiving a radio frequency signal; a receive switch unit including a first switch unit having a plurality of first switch elements and a second switch unit having a plurality of second switch elements; and a transmit switch unit including a third switch unit having a plurality of third switch elements and a fourth switch unit having a plurality of fourth switch elements. The receive switch unit may further include a plurality of first capacitors connected between a first terminal and a body terminal of each of the plurality of first switch elements.
Samsung Electro-mechanics Co., Ltd.
Analog-to-digital converter and solid-state imaging apparatus
An analog-to-digital (ad) converter has a latch section having latch units, a capacitor, and a latch control signal line connected to the latch units. A third voltage less than a first voltage and greater than a second voltage is applied as a power supply voltage to the latch units.
Calibration of high speed asynchronous convertor
An example method includes extracting calibration coefficients of each stage of a pipeline analog-to-digital convertor (adc). The calculation of the corrected digital output of the pipeline adc can be based on the digital output of each pipeline stage and the estimated calibration coefficient of the corresponding stage.
A microcomputer includes a bus, a cpu (central processing unit) coupled to the bus, a ram (random-access memory) coupled to the bus, and an ad (analog-to-digital) converter coupled to the bus. The ad converter includes a switching circuit for switching between an analog signal and a reference potential, a first da (digital-to-analog) converter including a plurality of first capacitors each having one end that can be individually coupled to the switching circuit and the other end coupled to a common output line, one or a plurality of testing capacitors that are dedicated for testing, each having one end to which the reference potential or a potential obtained by dividing the reference potential can be individually inputted, and a control circuit.
Renesas Electronics Corporation
Apparatus and methods for tuning a voltage controlled oscillator
Apparatus and methods for tuning a voltage controlled oscillator (vco) are provided. In one aspect, a method of auto-tuning in a phase-locked loop includes generating a vco clock signal using a vco coupled to a capacitor array, dividing the vco clock signal to generate a divided clock signal using a prescaler circuit having a selectable division ratio, controlling a value of the selectable division ratio using a first counter and a second counter of a counter module, generating a phase-frequency detector feedback signal based on a division control signal m and the divided clock signal using the counter module, counting a number of cycles of the divided clock signal that occur during a calibration interval using a cycle counter of a digital processing logic circuit, and determining the value of a capacitor array control signal based on the number of cycles counted during the calibration interval..
Skyworks Solutions, Inc.
Tunable frequency-to-voltage controlled oscillation
A tunable dco (digitally controlled oscillator), for example, includes a clock generator that is arranged to provide a converter clock signal for driving a frequency-to-voltage (f2v) converter. The f2v converter, for example, includes a frequency target control input for selecting an operational frequency and in response generates a frequency control signal using a dac (digital-to-analog converter).
Texas Instruments Incorporated
Switching element unit
A switching element unit is implemented which can include a smoothing capacitor while achieving reduction in overall size. A smoothing capacitor is a ceramic capacitor whose dielectric portions are formed of a ceramic material, and outer surfaces of the smoothing capacitor include an element placement surface formed integrally with the dielectric portions.
Aisin Aw Co., Ltd.
Driving circuit for igbt module
A driving circuit for an igbt module is provided. The driving circuit includes: a gate driving resistor connected with the igbt module; a driving module connected with the gate driving resistor; an integrating circuit connected with the driving module, in which the integrating circuit comprises an equivalent resistor and a first capacitor connected in series with the equivalent resistor, and a time constant of the integrating circuit is adjusted by changing a resistance of the equivalent resistor; a first optical coupler connected with the integrating circuit; and a micro control unit, connected with the first optical coupler..
Byd Company Limited
Semiconductor device and control method thereof
The present invention provides a semiconductor device including a first terminal and a second terminal respectively coupled to both ends of a crystal resonator, an inverter circuit having an input coupled to the first terminal and an output coupled to the second terminal, a feedback resistor which couples between the first terminal and the second terminal, a variable capacitor coupled to at least one of the first and second terminals, and a control circuit. The control circuit performs control to increase both of the drive capability of the inverter circuit and the capacitance value of the variable capacitor in a second mode rather than a first mode..
Renesas Electronics Corporation
Apparatus and methods for digital step attenuators with low phase shift
Apparatus and methods for digital step attenuators are provided herein. In certain configurations, a digital step attenuator (dsa) includes a plurality of dsa stages arranged in a cascade between an input terminal and an output terminal.
Skyworks Solutions, Inc.
Semiconductor device and driving the same
A semiconductor device including an integrator circuit, in which electric discharge from a capacitor can be reduced to shorten time required for charging the capacitor in the case where supply of power supply voltage is stopped and restarted, and a method for driving the semiconductor device are provided. One embodiment has a structure in which a transistor with small off-state current is electrically connected in series to a capacitor in an integrator circuit.
Semiconductor Energy Laboratory Co., Ltd.
Hybrid power module
A hybrid power module for supplying a power to a power amplifier is provided. The hybrid power module includes a dc-dc converter and a linear regulator.
Oscillation circuit, current generation circuit, and oscillation method
The present invention provides an oscillation circuit including: a first current source having dependency of current value/temperature exhibiting a first characteristic; a second current source having dependency of current value/temperature exhibiting a second characteristic; a first conversion section, input with a current from the first current source, that outputs a first current having a specific characteristic which is converted from the first characteristic; a second conversion section, input with a current from the second current source, that outputs a second current having a specific characteristic which is converted from the second characteristic; a subtraction section, input with the first and the second current, that outputs a difference current that is a difference between the first and the second current; and a clock generation section that generates a clock signal by alternately charging and discharging a first and a second capacitor based on the difference current.. .
Lapis Semiconductor Co., Ltd.
An inverter includes a first series circuit in which a first switching element and a second switching element are connected in series; a capacitor connected in parallel to the first series circuit; a first current detection device that detects current that flows in the first series circuit; and a discharge test execution device that outputs a signal of bringing the first switching element and the second switching element to a conducting state, and that outputs a signal of switching one of the first switching element and the second switching element to a non-conducting state before predefined power flows in the first switching element, based on a detection result by the first current detection device.. .
Toyota Jidosha Kabushiki Kaisha
Ac-dc converter for wide range output voltage and high switching frequency
An electrical circuit includes an input for an ac input voltage coupled to a first inductive element with first and second outputs coupled to respective first and second nodes, and a four-quadrant (4-q) switch coupled between the first and second nodes. A capacitor is coupled between the first node and a third node, a second inductive element is coupled between the third node and the second node, and a first bidirectional device and a first diode are coupled in series between a positive output node and a negative output node.
Capacitor power supply unit for small electrical loads with a high current requirement
A capacitor power supply unit converts a mains voltage (u) into a lower operating voltage (v1) for a controller and a supply voltage (v2) for an electrical small load. A series circuit including a mains capacitor and a zener diode is connected to the mains voltage (u) whereat the supply voltage (v2) for an electrical small load having a permissible operating voltage is tapped off.
Andreas Stihl Ag & Co. Kg
Multi-mode active clamping power converter
A multi-mode active clamping power converter comprises an input inductor, a down-bridge switch, an up-bridge switch, a first energy-storing capacitor, a clamping capacitor, a resonant inductor, a magnetizing inductor, a transformer, an output diode and an output capacitor. The input inductor has a boundary inductance value, wherein an input voltage source is operated between a first voltage and a second voltage and the boundary inductance value is set according to the first voltage and a heavy load so as to be served as an initial condition of the multi-mode active clamping power converter, and then the input inductor is operated in a boundary conduction mode..
Lite-on Technology Corporation
Symmetrical power converter
A switched-capacitor circuit has two capacitors and two mosfets that cross-couple the capacitors, connecting the anode of one to the cathode of the other, and vice-versa. When either mosfet is on, the capacitors are in series; the order alternates as the mosfets alternate.
The invention provides advances in the arts with useful and novel driver methods. The invention provides circuit driver and control methods for relatively high-current drivers, usable with relatively low-voltage battery power sources.
Triune Systems, Llc
Voltage smoothing circuit, voltage conversion circuit, and controlling voltage to be applied to multilayer capacitor
A voltage smoothing circuit includes a multilayer capacitor including a first capacitance unit and a second capacitance unit and a regulator including an input terminal which is electrically connected to the second capacitance unit and an output terminal which is electrically connected to the first capacitance unit. The regulator calculates a first voltage which is applied to the first capacitance unit based on a second voltage which is applied to the second capacitance unit from the input terminal such that a potential difference which is applied to the first capacitance unit decreases or increases when a potential difference which is applied to the second capacitance unit increases or decreases, and outputs the first voltage from the output terminal..
Murata Manufacturing Co., Ltd.
Dual source dc to dc converter
A system includes a first buck type direct current (dc) to dc converter having: a first control switch; a first synchronized switch; an inductor; and a capacitor. The system further includes a second buck type dc to dc converter having: a second control switch; a second synchronized switch; the inductor; and the capacitor.
Solantro Semiconductor Corp.
Soft start circuit for switching converter and associated soft start method
A soft start circuit for a switching converter, the soft start circuit has an internal soft start voltage generating circuit, an amplifier circuit and a buffer circuit, the internal soft start voltage generating circuit provides an internal soft start voltage, the amplifier circuit has a first input terminal receiving the internal soft start voltage, a second input terminal receiving a soft start reference signal and an output terminal, the buffer circuit has an input terminal coupled to the output terminal of the amplifier circuit and an output terminal providing the soft start reference signal. An external soft start capacitor coupled to the output terminal of the amplifier circuit is charged to provide an external soft start voltage, and the soft start reference signal is provided based on the internal soft start voltage and the external soft start voltage..
Chengdu Monolithic Power Systems Co., Ltd.
Pulsating current ripple cancelling circuit and power converting system using the same
The present invention relates to a pulsating current ripple cancelling circuit and a power converting system using the same cancelling circuit. The pulsating current ripple cancelling circuit includes a first transformer having a primary winding side and a secondary winding side; a second transformer having a primary winding side and a secondary winding side, wherein the primary winding side of the second transformer is electrically coupled with the primary winding side of the first transformer; a first diode electrically coupled with the secondary winding side of the first transformer; a first equivalent capacitor combination electrically coupled with the primary winding side of the first transformer; and a second equivalent capacitor combination electrically coupled with the secondary winding side of the second transformer..
National Tsing Hua University
Switch control circuit and power supply device including the same
A switch control circuit includes a first pin connected to a first voltage, and a second pin connected to another end of a first resistor including an end connected to the first pin and a first capacitor. In the switch control circuit, at least two of first dead time information, second dead time information, and a protection mode are set by using a multi-voltage of the second pin.
Fairchild Korea Semiconductor Ltd.
Power supply device
A power supply device for supplying power to a load by combining a secondary battery and a capacitor connected in parallel to the secondary battery includes an insulation type dc-dc converter with a primary coil connected in parallel to the secondary battery and configured to accumulate energy by a current supplied from the secondary battery and a secondary coil connected in series to the capacitor and configured such that an induction current flows therein by the accumulated energy from the primary coil.. .
Volvo Truck Corporation
Precharging circuit for charging an intermediate circuit capacitor
A pre-charging circuit for charging an intermediate circuit capacitor is provided having a first electronic component, a second electronic component and a diagnostic circuit. The diagnostic circuit is designed for functional testing of the first electronic component and/or of the second electronic component and comprises an energy source with a terminal voltage.
Samsung Sdi Co., Ltd.
Wireless power transmitting apparatus, wireless power receiving apparatus, and wireless power feeding system
A wireless power transmitting apparatus (10) is a wireless power transmitting apparatus which transmits electric power in a wireless manner by electromagnetic induction to a power receiving apparatus (20) which is provided with a power reception coil (220) and a fixed capacitance capacitor (230) electrically connected in parallel with the power reception coil. The wireless power transmitting apparatus is provided with: an alternating current power supply (110) which generates alternating current power; a power transmission coil (120) which is electrically connected to the alternating current power supply; a variable capacitance capacitor (130) which is electrically connected in series with the power transmission coil; and a capacitance controlling device (140) which controls a capacitance value of the variable capacitance capacitor to reduce a phase difference between a voltage phase and a current phase of the alternating current power..
Arc-free capacitor trip device
An apparatus includes an energy storage module that receives power from an ac power source. The energy storage module is sized to store electrical energy received from the ac power source that is sufficient to open one or more contacts when the ac power source is not present.
Intermountain Electronics, Inc.
A protective circuit includes an input, an output, a p-type field-effect transistor whose drain terminal is connected to the input and whose source terminal is connected to the output, a capacitor between the gate terminal of the field-effect transistor and ground, a zener diode whose cathode is connected to the output, a resistor between the anode of the zener diode and ground, and a diode whose anode is connected to the anode of the zener diode and whose cathode is connected to the gate terminal of the field-effect transistor.. .
Robert Bosch Gmbh