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Capacitor patents

      

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




 Dynamic power supply for light emitting diode patent thumbnailnew patent Dynamic power supply for light emitting diode
A voltage control system for an led operates to dynamically determine and set a minimum permissible voltage on an energy storage device such as a capacitor such that the energy storage device operates at a minimum possible voltage to compensate for component variations and dimming signal variations while maintaining flicker-free operation of the led.. .
Soraa, Inc.


 Multi-string led driver with current balancing patent thumbnailnew patent Multi-string led driver with current balancing
The present invention discloses a current-source-output light-emitting-diode (led) driver based on lclc circuit to provide a constant output current regardless of variations in led parameters. In the lclc circuit, the number of additional capacitors is scalable with the number of led strings for current balancing.
The Hong Kong Polytechnic University


 Systems and methods for throughput enhancement among ultra-low power wireless network devices patent thumbnailnew patent Systems and methods for throughput enhancement among ultra-low power wireless network devices
Systems and methods for throughput enhancement including asynchronous neighbor discovery among ultra-low power wireless network devices are provided. Specifically, techniques for discovering neighboring wireless devices within an energy-harvesting and/or energy constrained wireless communication network are provided such that the wireless devices are able to discover the greatest number of neighboring devices without exceeding the energy that they have accumulated by, for example, harvesting ambient sources or their allocated energy budget (e.g., battery/capacitor levels).
The Trustees Of Columbia University In The City Of New York


 Vowel and consonant discriminating microphones using carbon nanotubes patent thumbnailnew patent Vowel and consonant discriminating microphones using carbon nanotubes
A condenser microphone and a method for discriminates a first segment and a second segment in a spoken sound, is provided by using carbon nanotube bundles as capacitor materials. Such capacitor capacitance varies due to the quantum thermal mechanism of cnts when a spoken sound containing vowel segments and consonant segments passes through the cnts, so that the vowel segments and the consonant segments can be detected and separated..
International Business Machines Corporation


 Image processing method and image processing system assigning different gains to different sections patent thumbnailnew patent Image processing method and image processing system assigning different gains to different sections
The present invention discloses an image processing method and an image processing system adopting the same. The method includes the steps of: (a) obtaining a pixel array representing an image; (b) segmenting the pixel array into two or more non-overlapping regions; (c) identifying a capacitor discharging rate of each of the regions; (d) generating a pulse width modulation (pwm) signal when a voltage level dropping of a capacitor exceeds a predetermined threshold; and (e) applying exposure parameters to the regions according to the capacitor discharging rate of the regions, respectively, wherein the exposure parameter applied to one of the regions is different from the exposure parameter applied to at least another one of the regions..
Pixart Imaging (penang) Sdn. Bhd.


 Overvoltage and surge protection in a power over ethernet device patent thumbnailnew patent Overvoltage and surge protection in a power over ethernet device
In some embodiments, powered devices, circuits, and methods are disclosed that may include biasing a hot swap switch to couple a capacitor of a dc-dc converter to negative supply node when an input voltage exceeds a threshold and biasing a telephony switch to couple a positive supply node to a negative supply node when the input voltage exceeds the threshold. Further, the method may further include deactivating the hot swap switch after a period of time, and continuing to bias the telephony switch..
Silicon Laboratories Inc.


 Burst-signal reception circuit patent thumbnailnew patent Burst-signal reception circuit
A burst-signal reception circuit that receives a differential signal of a burst signal input via a preamplifier. The burst-signal reception circuit includes a differential amplifier to which the differential signal is input via capacitors, an average detection circuit that detects an average of a differential input signal to the differential amplifier, and a differential-offset cancel circuit that operates to cancel a dc voltage level difference of the differential input signal on the basis of output signals of the average detection circuit.
Mitsubishi Electric Corporation


 Device with variable frequency filter for rejecting harmonics patent thumbnailnew patent Device with variable frequency filter for rejecting harmonics
The present disclosure generally relates to a device having a variable frequency filter that rejects harmonics generated by a variable reactance device. The variable frequency filter may be coupled to the antenna and the variable reactance device.
Cavendish Kinetics, Inc.


 Delta sigma modulator for shaping noise and audio codec having the same patent thumbnailnew patent Delta sigma modulator for shaping noise and audio codec having the same
A delta-sigma modulator includes a loop filter, a quantizer configured to change an analog output signal into a digital signal, and a digital-to-analog converter configured to receive the digital signal and including a first capacitor and a second capacitor. In a first sampling period, the first capacitor is discharged, and at the same time, the second capacitor is charged with a reference voltage.
Research & Business Foundation, Sungkyunkwan University


 Level shift circuit patent thumbnailnew patent Level shift circuit
The present invention provides a level-shift circuit that can suppress the malfunction caused by the noise due to the on/off of a level-shift transistor and the dv/dt noise due to external noise. The present invention provides a level-shift circuit for transmitting a signal from a primary potential side to a secondary potential side, comprising: a first serial circuit a first resistance including serially-connected to a first switching element; a second serial circuit including a second resistance serially-connected to a second switching element; a latch malfunction protection circuit for which the respective output terminals of the first and second serial circuits are connected to an input terminal; a latch circuit for receiving a signal outputted from the latch malfunction protection circuit; and a capacitor connected between drain terminals of the first resistance and the first switching element and between drain terminals of the second resistance and the second switching element..
Fuji Electric Co., Ltd.


new patent

Method for driving converters, and corresponding converter and device

A switching converter includes a first electronic switch and a second electronic switch and respective drive circuits for switching on and switching off alternatively the first and second electronic switches. The drive circuits have a supply line for supplying to them a supply voltage.
Stmicroelectronics S.r.l.

new patent

Ultrasound lens cleaner driver with frequency selectable oscillator

A frequency selectable driver circuit (driver circuit) includes a current drive transistor between a first and second node for driving a frequency selectable oscillator (fso) coupled therebetween that includes a first lc network including an inductor l2 and a capacitor c2 in series and a second lc network in series with the first lc network. The second lc network includes a capacitor bank including capacitors in parallel including switches for switching (selectable capacitors) and an inductor l3 in parallel to the capacitor bank.
Texas Instruments Incorporated

new patent

Electronic converter, and corresponding designing a magnetic component

A converter includes first and second input terminals and first and second output terminals. The converter also includes an output capacitor coupled between the first output terminal and the second output terminal, and a magnetic component having two input terminals and three output terminals.
Stmicroelectronics S.r.l.

new patent

Switched-capacitor dc-to-dc converters and methods of fabricating the same

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.
Sk Hynix Inc.

new patent

Buck regulator with current cancellation

A method and apparatus for cancelling ripple voltage from an output voltage. A first voltage is input to a converter, which may be a buck converter, a boost converter, or a buck/boost converter.
Qualcomm Incorporated

new patent

Wireless charging system

A wireless charging system uses a transformer to adjust output voltage of the charging antenna to reduce the voltage in the resonant capacitor for a wireless charging coupling.. .
Hon Hai Precision Industryco., Ltd.

new patent

Charging circuit

A charging circuit that charges a capacitor using the power that is output from a power supply, includes: first and second pnp-type transistors; first and second resistors; and a current path maintaining unit, wherein the power supply is connected to the emitter terminal of the first pnp-type transistor, the first resistor is connected between the emitter terminal and the base terminal of the first pnp-type transistor, the capacitor is connected to the collector terminal of the second pnp-type transistor, the second resistor is connected between the collector and base terminals of the second pnp-type transistor, the base terminal and the collector terminal of the first pnp-type transistor are respectively connected to the emitter terminal and the base terminal of the second pnp-type transistor, and the current path maintaining unit is provided between the collector terminal of the first pnp-type transistor and the emitter terminal of the second pnp-type transistor.. .
Aisin Seiki Kabushiki Kaisha

new patent

Miniaturized highly efficient wireless power transfer elements using multiple layers of resonators and/or tunable capacitors

Novel and advantageous systems and methods for wireless power transfer (wpt) via multiple-resonator conformal strongly coupled magnetic resonance (cscmr) are provided. Instead of using a single loop as a resonator, multiple resonators can be used.
Florida International University Board Of Trustees

new patent

Parking lot shade for generating electricity having a photovoltaic system that tracks a maximum power point

A system and a method provide a photovoltaic system which regenerates the output characteristics of the photovoltaic at different ambient condition with high precision under all environmental conditions. The photovoltaic system includes a photovoltaic array, a buck/boost converter, a dc link capacitor to connect the buck/booster converter to a load/inverter, an adaptive network-based fuzzy inference maximum power point tracking controller, a voltage control loop, a proportional integral controller to maintain the output voltage of the photovoltaic array to the reference voltage by adjusting the duty ratio of buck/boost converter..
King Abdoulaziz City For Science And Technology

new patent

Head-hand capacitance compensation with digital variable capacitor

The present disclosure generally relates to a device having a capacitance sensor that detects a change in capacitance that occurs in the antenna whenever the antenna is in close proximity to a user's hand and/or head. Following detection of the capacitance change, the capacitance of the antenna may be changed by using a variable capacitor that is coupled to the sensor through a controller..
Cavendish Kinetics, Inc.

new patent

Memory device and manufacturing the same

The invention provides a memory device and a manufacturing method thereof. The memory device includes a substrate, a capacitor, a protection device, a first metal interconnect, and a second metal interconnect.
Winbond Electronics Corp.

new patent

Semiconductor device

A semiconductor device including a capacitor having an increased charge capacity without decreasing an aperture ratio is provided. The semiconductor device includes a transistor including a light-transmitting semiconductor film, a capacitor in which a dielectric film is provided between a pair of electrodes, and a pixel electrode electrically connected to the transistor.
Semiconductor Energy Laboratory Co., Ltd.

new patent

Capacitor with 3d nand memory

An integrated circuit includes a 3d nand memory array with a stack of conductive strips and a capacitor with a stack of capacitor terminal strips. Multiple conductive strips in the stack of conductive strips, and multiple capacitor terminal strips of the stack of capacitor terminal strips, share a same plurality of plane positions relative to the substrate.
Macronix International Co., Ltd.

new patent

Semiconductor device including capacitor and manufacturing the same

A method for manufacturing a semiconductor device may include forming contact pads spaced apart from each other in a first direction on a substrate and between first insulating patterns; forming first holes between the first insulating patterns and having bottom ends adjacent top surfaces of the contact pads; forming second holes between second insulating patterns and overlapping with partial portions of the first holes in a second direction perpendicular to the first direction; and forming a bottom electrode layer including first portions to cover the bottom ends of the first holes and sidewalls of the second holes. In forming the first and second holes, the first and second holes are formed simultaneously..
Samsung Electronics Co., Ltd.

new patent

Semiconductor device and manufacturing the same

A semiconductor device and a method for manufacturing the same is described. The semiconductor device includes a substrate, a first capacitor and a second capacitor.
Advanced Semiconductor Engineering, Inc.

new patent

Semiconductor device and semiconductor system

A semiconductor device is provided. The semiconductor device includes a seal ring and a noise-absorbing circuit.
Taiwan Semiconductor Manufacturing Co., Ltd

new patent

Soc with integrated voltage regulator using preformed mim capacitor wafer

In some embodiments, a method and/or a system may include an integrated circuit. The integrated circuit may include a semiconductor die.
Apple Inc.

new patent

Composite electronic component and board having the same

A composite electronic component includes a multilayer ceramic capacitor including a ceramic body in which dielectric layers and internal electrodes are alternately disposed, and first and second external electrodes disposed on a lower surface of the ceramic body; a tantalum capacitor including a body portion containing a sintered material of a tantalum powder and a tantalum wire having a portion embedded in the body portion, and disposed on the multilayer ceramic capacitor; and an encapsulant part enclosing the tantalum capacitor and the multilayer ceramic capacitor, wherein the internal electrodes are led to the lower surface of the ceramic body.. .
Samsung Electro-mechanics Co., Ltd.

new patent

Capacitor

A capacitor that includes a conductive porous base material; a dielectric layer; and an electrode. The conductive porous base material, the dielectric layer, and the upper electrode are laminated together to constitute an effective part that accumulates charges in the dielectric layer when a voltage is applied between the conductive porous base material and the electrode.
Murata Manufacturing Co., Ltd.

new patent

Cooling of electrolytic capacitors in electrical climate compressors

A system for mounting at least one cylindrical electrolytic capacitor on a heat sink, the heat sink having at least one bore for at least partially receiving a cylindrical electrolytic capacitor, and the bore partially or fully encompassing the cylindrical electrolytic capacitor once it has been received, wherein lateral surfaces of the cylindrical electrolytic capacitor are mechanically and thermally connected to surfaces forming the bore. The system providing thermal cooling of the electrolytic capacitor and enabling substantially uniform thermal cooling of the capacitor.
Hanon Systems

new patent

Methods and systems for material cladding of multilayer ceramic capacitors

Methods and systems to improve a multilayer ceramic capacitor using additive manufacturing are disclosed. Conductive layers and termination caps comprising a base metal may be cladded with a noble metal to lower costs without the tendency of base metal atoms combining with oxygen atoms in the dielectric material as the base metal does not physically contact the dielectric material.
Vq Research, Inc.

new patent

Methods and systems for geometric optimization of multilayer ceramic capacitors

Methods and systems to improve a multilayer ceramic capacitor using additive manufacturing are disclosed. Conductive layer ends and dielectric layer edges of a multilayer ceramic capacitor may be modified to comprise a round shape, which may increase voltage limits by reducing electric field intensity that results from sharp corners.
Vq Research, Inc.

new patent

Methods and systems for increasing surface area of multilayer ceramic capacitors

Methods and systems to improve a multilayer ceramic capacitor using additive manufacturing are disclosed. Layers of a capacitor may be modified from its traditional planar shape to a wavy structure.
Vq Research, Inc.

new patent

Multilayer ceramic capacitor

A multilayer ceramic capacitor includes a laminated body and first and second external electrodes respectively on both end surfaces of the laminated body. When regions where first internal electrodes or second internal electrodes are not present are regarded as side margin portions in a cross section of the laminated body as viewed from the laminating direction, the side margin portions include multiple side margin layers, and the content of si in the side margin layer closest to the internal electrode is lower than that in the side margin layer other than the side margin layer closest to the internal electrode..
Murata Manufacturing Co., Ltd.

new patent

Multilayer ceramic capacitor

In a multilayer ceramic capacitor, each outer electrode includes a first outer electrode layer that contains ni and that is disposed on each main surface of a multilayer body and a second outer electrode layer that contains a glass component and cu and that covers one end portion of the first outer electrode layer which is closer to an end surface of the multilayer body, the first and second outer electrode layers are joined together in a region including an edge shared by the main surface and the end surface, the other end portion of the first outer electrode layer is exposed from the second outer electrode layer, and ni of the first outer electrode layer is diffused in the second outer electrode layer and is dissolved in cu of the second outer electrode layer to define a solid solution in the region including the edge.. .
Murata Manufacturing Co., Ltd.

new patent

Multilayer ceramic capacitor and making multilayer ceramic capacitor

A multilayer ceramic capacitor includes a multilayer body that includes ceramic layers and inner conductor layers arranged in a stacking direction and that includes a first surface in which the inner conductor layers are exposed, and an outer electrode on the first surface of the multilayer body. The inner conductor layers contain ni.
Murata Manufacturing Co., Ltd.

new patent

Multilayer ceramic capacitor

A multilayer ceramic capacitor that includes a laminate which has a plurality of dielectric layers and a plurality of internal electrode layers respectively laminated. The dielectric layers are a perovskite type structure containing ba, sr, zr, ti and hf, and optionally ca, and further include v, wherein (number of moles of sr)/(number of moles of ba+number of moles of ca+number of moles of sr) is 0.6 to 0.95, (number of moles of zr)/(number of moles of zr+number of moles of ti+number of moles of hf) is 0.9 to 0.98, thicknesses of the dielectric layers are 1 μm or less, and an average particle size of dielectric particles constituting the dielectric layers is 0.8 μm or less..
Murata Manufacturing Co., Ltd.

new patent

Capacitor cover and power conversion device

This disclosure discloses a capacitor cover configured to store a plurality of capacitors of a power conversion device. The capacitor cover includes a first cover including a plurality of types of first contact surfaces configured to be in contact with one side of each surface of the capacitors of plurality of types with different sizes..
Kabushiki Kaisha Yaskawa Denki

new patent

Dynamic random access memory with pseudo differential sensing

Techniques are disclosed for dynamic random access memory (dram) cell. The dram cell comprises a first bit line and a first complementary bit line, a storage capacitor having a first node coupled with the first complementary bit line, and a transistor selectable by a word line to couple a second node of the storage capacitor to the first bit line, wherein a voltage potential across the first bit line and the first complementary bit line when the transistor is selected is indicative of a bit of data..
International Business Machines Corporation

new patent

Apparatus and compensating for luminance difference of organic light-emitting display device

Disclosed are an apparatus and a method for compensating for a fluctuation in threshold voltage due to a deterioration of a driving transistor included in pixel circuits of an oled device. The oled device includes a plurality of pixel circuits which are disposed at areas in which a plurality of gate lines supplying row selecting signals and a plurality of data lines supplying image signals.
Neoview Kolon Co., Ltd.

new patent

Capacitor sensor structure, circuit board structure with capacitor sensor, and package structure of capacitive sensor

A capacitive sensor structure includes: a substrate; a multilayer wire structure, disposed on the substrate to form a passive sensing circuit; and a semiconductor chip, formed thereon a control circuit, fixedly mounted on a surface of the substrate and electrically connected to the multilayer wire structure.. .
Mstar Semiconductor, Inc.

new patent

Touch sensing apparatus

The present invention introduces a touch sensing apparatus capable of adjusting an rx frequency band, and the touch sensing apparatus can adjust the width of the rx frequency band of a driving signal which is applied from a driving electrode of a touch screen panel and transferred to a receiving electrode of the touch screen panel, using a high pass filter and a low pass filter which are implemented with a differentiator and an integrator, respectively. The touch sensing apparatus can adjusting the resistances of a plurality of resistors and the capacitance of a capacitor, thereby selectively receiving a driving signal at each frequency and amplifying the received driving signal to a predetermined magnitude.
Silicon Works Co., Ltd.

new patent

Touch sensor pattern

An electronic system includes a processing device and a trellis pattern of conductors coupled to the processing device. The trellis pattern of conductors forms a multiple capacitors and the processing device is configured to sense a capacitance of each of the capacitors.
Cypress Semiconductor Corporation

new patent

Power supply circuit for solid state disk

A power supply circuit for a solid state disk includes a processor, a flash, a golden finger can be coupled to a direct current (dc) voltage, a boost converter coupled to the golden finger and configured to convert the dc voltage to a power voltage, a super-capacitor charger coupled to the boost converter, a super-capacitor coupled to the super-capacitor charger and configured to be charged by the super-capacitor charger and output a charge voltage, a control unit coupled to the super-capacitor and the boost converter, and a detection unit configured to compare the power voltage with a preset voltage. When the power voltage is less than the preset voltage, the control unit outputs the charge voltage to the processor and the flash; and when the power voltage is no less than the preset voltage, the control unit outputs the power voltage to the processor and the flash..
Hon Hai Precision Industry Co., Ltd.

new patent

Method and phase-controlling a load

A load control device may control the amount of power provided to an electrical load utilizing a phase control signal that operates in a reverse phase control mode, a center phase control mode, and a forward phase control mode. A load control device may be configured to determine that the electrical load should be operated via a phase control signal operating in a forward phase-control mode.
Lutron Electronics Co., Inc.

new patent

Method and phase-controlling a load

A load control device may control the amount of power provided to an electrical load utilizing a phase control signal that operates in a reverse phase control mode, a center phase control mode, and a forward phase control mode. A load control device may be configured to determine that the electrical load should be operated via a phase control signal operating in a forward phase-control mode.
Lutron Electronics Co., Inc.

new patent

Power-down discharger

Active post-power loss discharging of capacitors is provided. In an integrated circuit having a startup behavior depending on a capacitor voltage, a discharge transistor is provided to discharge the capacitor.
Semiconductor Components Industries, Llc

new patent

Two-wire hall-effect sensor

An improved two-wire hall-effect speed sensor circuit includes two separate voltage regulation circuits. The voltage regulator circuits, hall plates, signal processing circuits, and output stage are implemented on an application specific integrated circuit (asic).
Ford Global Technologies, Llc

new patent

Monitoring system for detecting occurrence of leakage current and/or relay short-circuit condition in an electrical system

A monitoring system is applied to an electrical system, which includes a dc power source and an electrical apparatus that is connected to the dc power source by a pair of electric power leads incorporating respective switches. To detect leakage current from the dc power source, a low-frequency ac signal is applied via a large-capacitance capacitor to a specific connection position, between a first terminal of the dc power source and the corresponding switch, and the resultant voltage of that signal is measured.
Denso Corporation

new patent

Insulation resistance measuring device and method capable of rapidly measuring insulation resistance

Disclosed are insulation resistance measuring device and method that are capable of rapidly and accurately calculating insulation resistance, despite parasitic capacitor components present in a battery pack.. .
Lg Chem, Ltd.

new patent

Time domain integrated temperature sensor

A time domain integrated temperature sensor described by the present invention adopts a shaped clock signal to control the charging time of capacitors, so that the capacitors generate charging time delay signals related to the cycle of an input clock, and a pulse signal related to pulse width, temperature and the cycle of the input clock is generated through logical xor (exclusive or) operation on a time delay signal generated when the capacitors are charged by one way of ptat (proportional to absolute temperature) current in an above control manner and a time delay signal generated when the capacitors are charged by one way of ctat (complementary to absolute temperature) current in the same manner; then, the same input clock signal is adopted for quantifying the pulse width of the pulse signal, the relevance of the obtained quantization result and the cycle of the input clock is completely offset, namely, an output value of the temperature sensor is unrelated to the input clock signal, thereby solving the problem that the reading of the existing time domain integrated temperature sensor is inconsistent as the cycle of the clock signal changes and improving the precision of the time domain integrated temperature sensor to a certain degree.. .
Wuxi Excelio Technology Co., Ltd.

new patent

Light-ray detection circuit

The circuit of detection of light radiation includes a photodetector. The photodetector is coupled to three capacitors by way of three switches.
SociÉtÉ FranÇaise De DÉtecteurs Infrarouges - Sofradir

new patent

Detonation control

Detonation control modules and detonation control circuits are provided herein. A trigger input signal can cause a detonation control module to trigger a detonator.
Los Alamos National Security, Llc

new patent

Dc power-supply device, motor drive device including the same, and refrigeration-cycle application device including the motor drive device

A first reactor is provided on the input side of a rectifying circuit that rectifies ac power (on the side of an ac power supply), and on the output side of the rectifying circuit (on the side of a load), first and second capacitors that are connected in series to each other, and first and second switching elements that switch between charging and not charging of the first and second capacitors, respectively, are provided, a second capacitor group in y-connection, provided with three capacitors, each of which is connected to each phase-terminal of the first reactor on the side of the rectifying circuit, is connected to the midpoint of the first and second switching elements, and the output voltage to the load is boosted, while the on-duty of the first switching element and the on-duty of the second switching element are controlled to be equal to each other.. .
Mitsubishi Electric Corporation

new patent

Method and determining a value of a variable parameter

A control methodology and apparatus for an engine suitable for use in capacitor discharge ignition systems for internal combustion engines or brushless dc motors is provided, which make use of a simple logic block to determine for instance an ignition timing advance angle or duty cycle signal based on actual engine speed versus engine control parameter data stored in a table, which is a read-only memory, preferably configurable. To minimise memory space, a small number of values of engine control parameter versus engine speed are stored in the table and the logic block determines the required engine control signal for a measured value of engine speed by an interpolation process, preferably linear interpolation..
Freescale Semiconductor, Inc.

new patent

System and controlling ultra-capacitor charge and discharge in vehicles with auto start/stop systems

A system includes an ultra-capacitor and battery system comprising a battery, a dc-dc converter, and an ultra-capacitor. An auto stop/start module is configured to perform an auto stop event of an engine of a vehicle and an auto start event of the engine of the vehicle based on operating parameters while an ignition is on.
Gm Global Technology Operations Llc

new patent

System and monitoring temperatures of components of an ultra-capacitor system used with an auto start/stop system

A system includes an ultra-capacitor and battery system comprising a battery, an ultra-capacitor, a dc-dc converter, a first temperature sensor to sense a battery temperature, a second temperature sensor to sense an ultra-capacitor temperature and a third temperature sensor to sense a dc-dc converter temperature. An auto stop/start module is configured to selectively stop and restart an engine of a vehicle while an ignition system is on based on operating parameters.
Gm Global Technology Operations Llc





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