50th week of 2015 patent applcation highlights part 67 |
Patent application number | Title | Published |
20150357921 | INTERLEAVED LLC CURRENT EQUALIZING CONVERTER - The present invention discloses an interleaved LLC convertor with current sharing. The interleaved LLC convertor with current sharing comprises: an interleaved LLC circuit, consisting of an even number of LLC circuits connected in parallel; and a plurality of windings with the same quantity as that of the LLC circuits, wherein all first polarization terminals from each of LLC circuits at its DC output side together constitute a first output terminal; all first terminals from each of the windings together constitute a second output terminal; a first half of the plurality of windings surround a magnetic core in a first direction, and a second half of the plurality of windings surround the magnetic core in a second direction; each of the plurality of windings has the same inductance, and the first half of the plurality of windings are inversely coupled with the second half of the plurality of windings; and the second polarization terminal of each LLC circuit at its DC output side connects to a second terminal of one of the windings. | 2015-12-10 |
20150357922 | DIRECT CURRENT VOLTAGE CONVERSION DEVICE - A direct current voltage conversion device includes a buck converter receiving a direct current input voltage and outputting a direct current first voltage according to a first control signal, a series resonant converter outputting an alternating current second voltage according to a second control signal and a third control signal, a transformer that receives the alternating current second voltage, a rectifier, and an output capacitor electrically coupled with the rectifier. The rectifier generates a direct current output voltage according to a fourth control signal and a fifth control signal, which is outputted across the output capacitor. | 2015-12-10 |
20150357923 | DC-DC Converter Apparatus - Objects of the invention are not to receive influence of an electromagnetic noise from a transformer and to reduce a possibility of breakage caused by shock or vibration. In a DC-DC converter apparatus of the invention, a shielding metal frame | 2015-12-10 |
20150357924 | Dummy Load Controllers and Control Methods - Methods and apparatuses for providing a dummy load in a power converter are disclosed. The power converter has a primary winding and a secondary winding isolated from each other. The secondary winding can de-energize to provide an output voltage at an output node for powering a load. The winding voltage at across the secondary winding is sensed to provide a non-switching time, which is checked if it exceeds a predetermined reference time. The output voltage is compared with a predetermined safe voltage. A discharge current is provided as a dummy load to drain from the output node and to lower the output voltage if the on-switching time exceeds the predetermined reference time and the output voltage exceeds the predetermined safe voltage. | 2015-12-10 |
20150357925 | CONTROLLER FOR ELIMINATING ACOUSTIC NOISE OF A POWER CONVERTER AND RELATED METHOD THEREOF - A controller for eliminating acoustic noise of a power converter includes a control unit and a gate signal generation unit. The control unit is used for detecting a frequency corresponding to a gate control signal in a burst mode of the power converter. When the frequency is greater than a predetermined frequency, the control unit increases a resistance of a compensation resistor coupled to a compensation pin of the power converter; and when the frequency is less than the predetermined frequency, the control unit decreases the resistance of the compensation resistor. The gate signal generation unit is coupled to the control unit for generating the gate control signal to a power switch of a primary side of the power converter according to the resistance of the compensation resistor. The power switch is turned on according to the gate control signal. | 2015-12-10 |
20150357926 | METHOD AND APPARATUS FOR PROVIDING POWER CONVERSION USING AN INTERLEAVED FLYBACK CONVERTER WITH AUTOMATIC BALANCING - Method and apparatus for converting DC input power to DC output power. In one embodiment, the apparatus comprises a plurality of flyback circuits, coupled in parallel, for providing DC-to-DC conversion; and a controller for automatically adjusting activation timing of each flyback circuit in said plurality of flyback circuits to achieve a balanced operation. | 2015-12-10 |
20150357927 | Multi-Mode Operation and Control of a Resonant Converter - In accordance with an embodiment, a method of controlling a switched-mode power includes generating a feedback signal proportional to an output of the switched-mode power supply, and operating the switched-mode power supply in a normal mode. If the feedback signal crosses a first threshold, the switched-mode power operates in a second operating mode. In the first operating mode the pulse modulated signal is adjusted to regulate a feedback signal to a first signal level, and in the second operating mode, a dead-time of the pulse modulated signal is adjusted to signal to regulate a feedback signal to a second signal level different from the first signal level. The method further includes driving a switch of the switched-mode power supply with the pulse modulated signal. | 2015-12-10 |
20150357928 | DC POWER SUPPLY DEVICE - A direct current power source portion for converting inputted alternating current power to direct current power of a predetermined voltage, a plus terminal and a minus terminal connected to the direct current power source and outputting the direct current power, a communication portion for detecting a first input voltage value preset in an electric device, a controlling portion for setting voltage of the direct current power outputted from the direct current power source portion at the first input voltage value inputted from the communication portion, and a remaining voltage processing portion having a capacitor connected in parallel between the plus terminal and the minus terminal and smoothing the direct current power, the remaining voltage processing portion discharging electric charge stored in the capacitor based on the first input voltage value. | 2015-12-10 |
20150357929 | GATED THYRISTOR POWER DEVICE - An improved gated thyristor that utilizes less silicon area than IGBT, BIPOLARs or MOSFETs sized for the same application is provided. Embodiments of the inventive thyristor have a lower gate charge, and a lower forward drop for a given current density. Embodiments of the thyristor once triggered have a latch structure that does not have the same Cgd or Ceb capacitor that must be charged from the gate, and therefore the gated thyristor is cheaper to produce, and requires a smaller gate driver, and takes up less space than standard solutions. Embodiments of the inventive thyristor provide a faster turn off speed than the typical >600 ns using a modified MCT structure which results in the improved tail current turn off profile (<250 ns). Additionally, series resistance of the device is reduced without comprising voltage blocking ability is achieved. Finally, a positive only gate drive means is taught as is a method to module the saturation current using the gate terminal. | 2015-12-10 |
20150357930 | SYSTEMS AND METHODS FOR CONTROLLING ACTIVE RECTIFIERS - A method of controlling a rectifier includes receiving a gain factor, receiving a ramp interval, and generating a rectifier switch control voltage. The rectifier switch control voltage is an over-modulated rectifier switch control voltage generated by a pulse width modulator using the gain factor. The amount of over-modulation in the rectifier switch control voltage is decreased during the ramp interval for reducing transient voltage overshoot events at the start of active rectification. | 2015-12-10 |
20150357931 | CONVERTER - A voltage source converter ( | 2015-12-10 |
20150357932 | EFFICIENCY DYNAMIC POWER CONVERTER - A power converter and a method of operation thereof is disclosed including an input, an output, a sensor unit, a switched power converter, and a processor module. The power converter may convert an input power into an output power. The power converter may sense real-time measurements of the input power and the output power to determine a real-time calculated efficiency. The power converter may chop the input power into sized and positioned portions of the input power based on a plurality of determined operating parameters. The power converter may determine the operating parameters based on the real-time calculated efficiency and on a plurality of other operating factors/conditions. | 2015-12-10 |
20150357933 | METHOD FOR DESIGNING CASCADED MULTI-LEVEL INVERTER WITH MINIMIZED LARGE-SCALE VOLTAGE DISTORTION - A method for designing cascaded multi-level inverters with minimization of large-scale voltage distortion, based on KKT (Karush-Kuhn-Tucker) conditions and with simplified computation of conduction angles, simplifies the computation process, and is conducive to on-line calculation. Meanwhile, its fundamental voltage is adaptive, minimization of total harmonic is realized for cascaded multi-level inverters at high-voltage, and voltage power quality at grid connected nodes is improved. | 2015-12-10 |
20150357934 | METHOD AND DEVICE FOR CONTROLLING AN INVERTER - The invention relates to a method for controlling an inverter ( | 2015-12-10 |
20150357935 | TNPC INVERTER DEVICE AND METHOD FOR DETECTING SHORT-CIRCUIT THEREOF - The present application discloses a TNPC inverter device, comprising: a TNPC inverter module and a short circuit detecting module. The TNPC module at least comprises an inverting bridge arm and a bi-directional switching bridge arm. The inverting bridge arm comprises at least two switches connected in series; the bi-directional switching bridge arm comprises at least two switches. The short circuit detecting module mainly consists of two switch detecting unit corresponding to the two switches in the inverting bridge arm respectively. Increasing the voltage drop of the switches in the inverting bridge when a short circuit occurs in the TNPC module by some way, then it could realize the short circuit detecting module is able to detect all the paths of the short circuit in the TNPC module to simplify the peripheral circuit of the TNPC module in the TNPC inverter device. | 2015-12-10 |
20150357936 | METHOD FOR VOLTAGE DIP COMPENSATION OF INVERTER - Disclosed is a method for voltage dip compensation of inverter, the method including reducing an output frequency of an inverter to obtain a regenerative energy when it is determined that power failure has occurred during the inverter operation, adjusting increase/decrease of inverter output frequency in response to size of exceeding current and voltage based on an output current and DC-link voltage of the inverter, increasing the inverter output frequency in order to prevent excessive current flow when power restoration occurs at a power failure state, and returning to a speed prior to the momentary voltage dip by gradually increasing the inverter output frequency in a state where the inverter output frequency does not exceed an over-current limit by monitoring the inverter output frequency. | 2015-12-10 |
20150357937 | THREE-PHASE POWER CONVERSION DEVICE - A three-phase power conversion device includes: single-phase inverters having AC output ends connected in series to the respective phases of the three-phase AC lines; a control device for performing PWM control for each single-phase inverter based on a voltage command V*; and an AC voltage detection circuit for detecting a phase and a voltage amplitude of three-phase AC voltage. The control device adds a zero-phase component Vo common to the three phases to a basic command Vx* for each phase to generate a voltage command V*. The zero-phase component Vo is generated by applying an amplitude a calculated based on the phase and the voltage amplitude to reference zero-phase voltage Voo that has been set, thereby reducing a peak of the voltage command V* for each single-phase inverter. | 2015-12-10 |
20150357938 | POWER CONVERTER - A power converter fixes, in one cycle of an alternating-current voltage output command, a gate pulse signal to always output a direct-current input positive side terminal voltage value of an inverter circuit in a period X | 2015-12-10 |
20150357939 | CASCADED H-BRIDGE INVERTER CAPABLE OF OPERATING IN BYPASS MODE - A cascaded H-bridge inverter capable of operating in bypass mode is disclosed where a bypass function can be performed through control of power switch, instead of allowing each unit power cell forming a cascaded H-bridge inverter to use a separate bypass switch, and a cell driver controls each power switch in a freewheeling mode to allow a current inputted to any output terminal to flow other output terminals when bypass function is to be performed for relevant unit power cell, whereby a stable operation can be performed even if there is no bypass switch at each unit power cell, and a cost saving can be accomplished, because an additional bypass switch such as a MC (Magnetic Controller) is not used. | 2015-12-10 |
20150357940 | BI-DIRECTIONAL ENERGY CONVERTER WITH MULTIPLE DC SOURCES - A multiple dc sources bi-directional energy converter includes a plurality of direct current (DC) power sources; one alternating current (AC) power source; at least one stacked alternating current (AC) phase, each stacked alternating current (AC) phase having at least two or more full bridge converters, each respectively coupled to one of the direct current power sources, each full bridge converter having an inductor electrically coupled thereto; and a local controller coupled to each full bridge converter controlling the firing sequence of the switching devices in said full bridge converter to generate an approximately nearly sinusoidal voltage waveform when operated as a voltage source inverter in one direction or generate an approximately nearly constant direct current (DC) output when operated as a full-wave active rectifier in the opposite direction. | 2015-12-10 |
20150357941 | VOLTAGE SOURCE CONVERTER COMPRISING A CHAIN-LINK CONVERTER - A voltage source converter comprises: at least two converter limbs, each converter limb extending between DC terminals and having limb portions separated by an AC terminal. Each limb portion includes at least one switching element and at least one chain-link converter including series-connected modules. Each module includes at least one switching element and at least one energy storage device that combine to selectively provide a voltage source. The chain-link converter(s) form a branch to interconnect two AC terminals. Each limb portion is switchable to switch the corresponding chain-link converter(s) into and out of circuit with a respective DC terminal. The chain-link converter(s) is switchable to control the configuration of an AC voltage at each corresponding AC terminal. The converter further includes a control unit that coordinates the switching of the limb portions and the chain-link converter(s) to cause transfer of real power between the AC and DC electrical networks. | 2015-12-10 |
20150357942 | FOLDABLE MINIATURE VIBRATION GENERATOR AND MANUFACTURING METHOD THEREOF - The present invention discloses a folding vibration microgenerator and a method of manufacturing the same. The microgenerator comprises a foldable sandwiched substrate, wherein the foldable substrate comprising two flexible insulating substrates and an induction electrode located between the two flexible insulating substrates, in which the induction electrode is constructed by two complementary comb-shaped electrodes. The foldable substrate has upper and lower surfaces, on which the first friction structure units and the second friction structure units are respectively periodically distributed, and the first friction structure units corresponds to the odd-numbered comb teeth of the induction electrode and the second friction structure units corresponds to the even-numbered comb teeth of the induction electrode. The foldable substrate is folding at gaps between two adjacent comb teeth of the induction electrode as a serrate shape, thereby forming a folding vibration microgenerator. The microgenerator is easy to be produced and largely increases output power per unit area. Due to inflexibility of the folding structure itself, the energy conversion efficiency of the microgenerator is effectively increased while output power being maintained. | 2015-12-10 |
20150357943 | A PIEZOELECTRIC ENERGY HARVESTER - A piezoelectric energy harvester comprising: a metal substrate comprising a planar part, a first leg projecting from the planar part and a second leg projecting from the planar part, the metal substrate configured to support a piezoelectric matrix on the planar part between the first leg and the second leg; and a piezoelectric matrix provided on the substrate, the piezoelectric matrix comprising a plurality of adjacent PZT elements. | 2015-12-10 |
20150357944 | LITHOGRAPHY APPARATUS AND METHOD OF MANUFACTURING ARTICLE - The present invention provides a lithography apparatus for forming a pattern on a substrate, including a motor configured to drive a table for holding the substrate in accordance with a driving profile, a setting unit configured to set one of a normal mode and a power saving mode as an operation mode of the motor, and a controller configured to change the driving profile when the power saving mode is set, such that an amount of generated heat of the motor caused by driving of the table is smaller than that in the normal mode, and the number of substrates to be processed by the lithography apparatus per unit time is satisfied. | 2015-12-10 |
20150357945 | MOTOR CONTROL DEVICE - The voltage amplification factor during rapid deceleration control of a motor is set to a value obtained by adding a first voltage amplification factor calculated with reference to the voltage of the DC circuit section of the inverter using a predetermined function and a low-pass filter and a second voltage amplification factor calculated with reference to the inverter current using a PI control. And both calculations are performed in parallel. | 2015-12-10 |
20150357946 | FULLY INTEGRATED MEDIUM VOLTAGE INPUT LOW VOLTAGE OUTPUT VARIABLE FREQUENCY DRIVE SYSTEM - A motor drive system includes a step down phase shifting isolation transformer structured to receive medium voltage AC power from an AC bus and convert the medium voltage AC power to tow voltage AC power, a converter structured to receive the low voltage AC power and convert the low voltage AC power to DC power and output the DC power to a DC bus, and a tow voltage inverter structured to receive the DC power from the DC bus and convert the DC power to a second low voltage AC power. | 2015-12-10 |
20150357947 | MOTOR DRIVE DEVICE AND BRUSHLESS MOTOR EQUIPPED WITH SAME, AND AIR CONDITIONER - A motor drive device of the present invention includes a speed signal generator that generates a rotation speed signal indicating rotation speed; a PWM signal generator that acts on the power switch unit to control the power switch unit so as to generate coil-applied voltage; and a phase advance information generator that has characteristic curve information representing changes of rotation speed of and load on a brushless motor, preliminarily set. The phase advance information generator generates phase advance information according to the load characteristic curve to variably control the phase advance (the phase of voltage applied to the coils of the brushless motor, relative to the induced voltage phase) according to the load characteristic curve. | 2015-12-10 |
20150357948 | Hand Worn Wireless Remote Controller For Motors - A radio frequency (“RF”) remote control device for use to control the speed of a motor is disclosed. In one preferred embodiment, the device may be used by a swimmer in a swim spa. The RF device can be preferably formed in shape of a glove to be worn by the athlete/swimmer, such that he or she can readily change the speed of the swim spa current motor, and in turn the speed of the current he or she is swimming against simply by activating respective increase or decrease motor speed signals. In further embodiments, the RF device can also include a stop watch to record duration of exercise, and/or an automatic stroke counter to record the number of strokes during the exercise. | 2015-12-10 |
20150357949 | SYSTEM AND METHOD FOR DETERMINING THE POSITION OF A MOVING PART DRIVEN BY AN ELECTRIC MOTOR - A system for determining the position of a moving part driven by an electric motor: a single position sensor, coupled to the electric motor, incrementally detects an amount of movement thereof; a direction switching arrangement controls a direction of movement of the electric motor; and a control unit, coupled to the single position sensor and the direction switching arrangement, at each incremental amount of movement detected by the single position sensor, determines a current position of the moving part based on a previous position thereof and the current direction of movement controlled by the direction switching arrangement. | 2015-12-10 |
20150357950 | METHOD AND APPARATUS FOR CONTROLLING A TURBOGENERATOR SYSTEM - An apparatus for controlling a turbogenerator system when a power electronics circuit of the turbogenerator system is unable to provide a sufficient load on the turbogenerator to prevent the turbogenerator from accelerating uncontrollably is described. The apparatus comprises a monitor including a first sensing device operable to detect a condition of the turbogenerator, and a brake controller responsive to a turbogenerator detection output from the first sensing device to issue a first brake control signal for operating a brake circuit to prevent the turbogenerator from accelerating uncontrollably and a second brake control signal for operating the brake circuit to permit resumption of normal operation of the turbogenerator. | 2015-12-10 |
20150357951 | ADJUSTABLE ASSEMBLY OF ROTOR AND STATOR AND APPLICATIONS THEREOF WITH A VARIABLE POWER GENERATOR - A variable power generator comprises one of a stator and a rotor which is adjustably movable through an infinite number of positions from being proximate to one another so that their magnetic fields overlap to a position such that the rotor is most distant from the stator and has little overlap of magnetic field strength. The variable power generator in operation may comprise one of a rotor and a stator being out of phase with one another by an angle, for example, the one of the rotor or the stator leading or lagging the other. In this instance, a motor such as a servo motor may be used to rotationally compensate for the out-of-phase angle by radially moving the rotor with respect to the stator or vice versa. The variable power generator may be also be applied in a cam-controlled speed converter and a wind or marine hydrokinetic turbine. The variable power generator may be used as a low torque generator and a high power-rated generator in these applications and may generate more electric power than a conventional fixed power generator (the rotor axially aligned to overlap the stator in a conventional manner). Moreover, the variable power generator may be applied to advantage in electric motors and internal combustion engines for speed control and other purposes. | 2015-12-10 |
20150357952 | METHOD AND SYSTEM OF TRACKING THE MAXIMUM EFFICIENCY OF A VARIABLE SPEED ENGINE-GENERATOR SET - A generator system including an engine and an electrical generator. An electronic control unit configured to monitor and control the engine and generator is provided. The electronic control unit is configured to monitor the electrical load being supplied by the generator and to determine whether the load has remained within a predetermined range for a predetermined period of time. The electronic control unit is configured to adjust the speed of the engine by a predetermined amount when the load has been determined to have remained within the predetermined range for a predetermined length of time. The electronic control unit is configured to compare the present rate of fuel consumption for the adjusted speed to a stored value for the rate of fuel consumption corresponding to the present electrical load being applied to the generator and subsequently update the stored value for engine speed based on the results of the comparison. | 2015-12-10 |
20150357953 | METHOD FOR CONTROLLING AC MOTOR - Provides a method for controlling an AC motor, including: receiving a torque command value; generating a command current based on the torque command, and a command voltage by using the generated command current in a current vector controller (CVC) current control mode; switching to a hexagon voltage manipulating controller (HVMC) voltage control mode when the command voltage enters a voltage limit area, and generating a command voltage in the HVMC voltage control mode; and controlling torque of an AC motor by using the command voltage that is generated in the CVC current control mode or the HVMC voltage control mode. | 2015-12-10 |
20150357954 | APPARATUS AND METHOD FOR MINIMIZING INFLUENCE OF TEMPERATURE CHANGE IN MOTOR - An apparatus for minimizing an influence of a temperature change may include a motor, a temperature sensor for sensing a temperature of the motor to create the temperature information, a command compensation unit compensating a torque command or a magnetic flux demand according to the information on the sensed temperature to create a compensation torque command value or a compensation magnetic flux command value, and an inverter for driving the motor according to a D-axis voltage command value and a Q-axis voltage command value are created according to a D-axis current command value and a Q-axis current command value which are matched with the compensation torque command value or the compensation magnetic flux command value. | 2015-12-10 |
20150357955 | MAGNET DEGRADATION AND DAMAGE CONTROLS AND DIAGNOSTICS FOR PERMANENT MAGNET MOTORS - Techniques for motor magnet degradation controls and diagnostics are disclosed. An exemplary technique determines q-axis current, d-axis current, q-axis voltage, and/or d-axis voltage of a permanent magnet motor based upon sensed current and voltage information of the motor. This information is utilized to determine flux information. The flux information is utilized in evaluating collective state conditions of a plurality of motor magnets and evaluating localized state conditions of a subset of the plurality of motor magnets. The evaluations can be used to identify degradation or damage to one or more of the magnets which may occur as a result of elevated temperature conditions, physical degradation, or chemical degradation. | 2015-12-10 |
20150357956 | ROTARY ELECTRIC MACHINE CONTROL DEVICE - A rotary electric machine control device that controls a rotary electric machine that includes a rotor in which a permanent magnet is disposed so as to provide magnetic saliency, and that performs feedback control on the rotary electric machine on the basis of a deviation between a current command and a feedback current from the rotary electric machine in a d-q-axis vector coordinate system defined by a d-axis which extends in a direction of a magnetic field produced by the permanent magnet and a q-axis which is orthogonal to the d-axis. | 2015-12-10 |
20150357957 | MOTOR CONTROL DEVICE AND ELECTRIC COMPRESSOR - A motor control device of the present invention supplies a detection current to a motor at predetermined time intervals, detects a voltage between the both ends of a smoothing capacitor when the detection current is supplied, and determines whether a connector is inserted or unplugged based on a change in the voltage between the both ends of the smoothing capacitor. Furthermore, if determining that the connector is unplugged, the motor control device decreases the voltage between the both ends of the smoothing capacitor to or below a defined value by discharging the smoothing capacitor. | 2015-12-10 |
20150357958 | Control Method For Vibration Generator And Vibration Generator - A control method for a vibration generator is provided. The vibration generator includes a fixed part around which a coil is wound, a movable part having a magnet, a bridge part movably supporting the movable part, and a power supply unit which applies an alternating current of a predetermined frequency to the coil. The power supply unit starts at the time of startup by the alternating current with a starting frequency which differs from a resonance frequency of the movable part, and the power supply unit changes the frequency of the applied alternating current to the resonance frequency of the movable part when the amount of vibration at the starting frequency reaches a predetermined ratio with respect to a saturation vibration amount of the resonance frequency. | 2015-12-10 |
20150357959 | POWER CONVERSION APPARATUS - A power conversion apparatus includes a pair of switching elements that are connected in series between a higher potential side terminal and a lower potential side terminal to form upper and lower arms; a coil whose end is connected between the pair of switching elements; and a controller that calculates, based on a voltage between the higher potential side terminal and the lower potential side terminal and an inductance of the coil, a time rate of change of a current value of a current flowing through the coil, and switches, based on the calculated time rate of change of the current value, between a single arm drive mode in which only one of the pair of switching elements is driven to be turned on/off and a double arm drive mode in which the pair of switching elements are driven to be turned on/off in opposite phase. | 2015-12-10 |
20150357960 | ROTARY ELECTRIC MACHINE DRIVING DEVICE - A rotary electric machine driving device including: an inverter that is electrically interposed between a direct-current power supply and the rotary electric machine, and converts electric power between a direct current and an alternating current; a smoothing capacitor that is electrically interposed between the direct-current power supply and the inverter, and is connected between a positive pole and a negative pole on a direct-current side of the inverter; an inverter control unit that controls switching of a switching element of the inverter according to a predetermined switching frequency; and an inductance control unit that switches a direct-current side inductance between a positive pole of the direct-current power supply and a positive pole of the smoothing capacitor, according to the switching frequency, between a predefined standard inductance and a high inductance that is higher than the standard inductance. | 2015-12-10 |
20150357961 | APPARATUS AND METHOD FOR REDUCING COMMON MODE VOLTAGE - An apparatus and a method for that reduce a common mode voltage are provided. The apparatus includes a detecting unit that is configured to detect a common mode voltage between a drive shaft and a frame of a drive motor. In addition, a gate resistance unit of a power module is connected to the drive motor. A controller is configured to adjust a magnitude of resistance of the gate resistance unit, based on a magnitude of the detected common-mode voltage and a magnitude of a predetermined reference voltage. | 2015-12-10 |
20150357962 | GEARED MOTOR UNIT HAVING FUNCTION FOR LIMITING THRUST LOAD - A compact geared motor unit, capable of properly protecting an electric motor without disengaging gears or suspending the unit, even when a thrust force larger than an allowable value is generated. The geared motor unit | 2015-12-10 |
20150357963 | SYSTEM ON-CHIP FOR CONTROLLING MOTOR BASED ON NETWORK AND METHOD FOR CONTROLLING THEREOF - A network-based motor control system-on-chip (SoC) and a motor control method. The network-based motor control system includes a network unit; a first processor for exchanging a first data with the network unit and processing a first task related to the first data; a motor; a motor control unit for controlling operation of the motor; a second processor for exchanging a second data related to the operation of the motor with the motor control unit and processing a second task related to the second data; and a data sharing unit for sharing processing results of the first task and the second task by the first processor and the second processor, in which the first task and the second task are concurrently processed. | 2015-12-10 |
20150357964 | SNAP-IN MOUNTING SYSTEM FOR LAMINATE SOLAR PANELS - Snap-in mounting systems for laminate solar panels are provided. The laminate solar panels can include laminate strips that can be snapped into mounting rails. The mounting rails may be coupled to racking rails for structural support and may include locking mechanisms for additional support and theft deterrence. An entire system may include a number of racking rails, mounting rails, and solar panels. | 2015-12-10 |
20150357965 | RETAINING DEVICE FOR SOLAR CELL MODULE - A fastening system fastening solar cell modules to an installation surface, each solar cell module having a top surface at which a solar cell substrate is provided, a bottom surface at the opposite side to the top surface, a first side part, and a second side part at the opposite side to the first side part, the fastening system comprising a plurality of support members which abut against the first side parts or the second side parts of the solar cell modules, the plurality of support members supporting the bottom surfaces and the first side parts and the second side parts of the solar cell modules, and fastening members which prevent at least vertical movement of the solar cell modules with respect to top surfaces, the fastening members being movably attached to the plurality of support members, is provided. | 2015-12-10 |
20150357966 | METHOD FOR DETERMINING THE CORRECTION OF TRACKING ERRORS OF SOLAR TRACKING PLATFORMS, CENTRAL PROCESSING UNIT ADAPTED TO PERFORM SAID METHOD AND SOLAR TRACKER COMPRISING SAID CENTRAL PROCESSING UNIT - A method for determining corrections for platforms of solar trackers, which can be used to compensate mainly for azimuth deviation and the inclination of the tracker. Additional elevation corrections may also be able to be performed. A central processing unit acts on a driver, providing commands that take account of the corrections calculated to generate set values appropriate for the driver, thereby obtaining the correct orientation for the platform. | 2015-12-10 |
20150357967 | APPARATUS AND METHOD OF MOUNTING AND SUPPORTING A SOLAR PANEL - Mounting and supporting a solar panel. At least some of the illustrative embodiments are apparatuses including: a solar module comprising a cover layer; a solar array defining a first and a second side, the first side of the solar array coupled to the cover layer; a back cover that defines an inside surface and an outside surface opposite the inside surface, the inside surface coupled to the second side of the solar array; the cover layer, solar array and back cover together define an outer perimeter and a back cover plane; a first mounting flange coupled to the outside surface of the back cover, the first mounting flange extends outward beyond the outer perimeter; and a second mounting flange coupled to the outside surface of the back cover, the second mounting flange extends outward beyond the perimeter in a direction opposite the first mounting flange. | 2015-12-10 |
20150357968 | PV JUNCTION UNIT, PV JUNCTION BOX AND METHOD FOR MONITORING CURRENT IN PV STRING - A PV junction unit for joining a plurality of PV strings into a single string, comprising: a plurality of anode branch circuits; an anode busbar adapted to connect with an anode output end of each PV string via one corresponding anode branch circuit; a plurality of cathode branch circuits; a cathode busbar adapted to connect with a cathode output end of each PV string via one corresponding cathode branch circuit; resistors each of which is connected in series in one corresponding anode branch circuit connecting the anode output end of one corresponding PV string with the anode busbar, wherein each resistor has a theoretical resistance; voltage measuring devices each of which is connected in parallel with one corresponding resistor; and a processor connected with each of the voltage measuring devices, the processor configured to determine a current value in one PV string at least based on the theoretical resistance of the resistor in one anode branch circuit connected with the one PV string and based on a voltage value from the voltage measuring device in said one anode branch circuit connected with the one PV string. | 2015-12-10 |
20150357969 | COOLING METHOD AND SYSTEM FOR PHOTOVOLTAIC SOLAR PANELS - The present invention relates to a cooling system and method for photovoltaic solar panels. The cooling system and method allow reducing the temperature of the outer surface of photovoltaic solar panels, hereinafter PV panels ( | 2015-12-10 |
20150357970 | Distributed solar power generation and hot water supplying system - A distributed solar power generation and hot water supplying system includes: a photovoltaic power generation self-service sun tracking system, an inverter, a controller, a storage battery, a heat-exchanging water tank and an electric heater provided therein, wherein a solar battery and a solar collector are mounted on the photovoltaic power generation self-service sun tracking system, an electricity output terminal of the photovoltaic power generation self-service sun tracking system is respectively connected to an inversing input terminal of an inverter and a surplus power supplying input terminal of a controller; an MCU-controlled power output terminal of the inverter is respectively connected for off-grid power consumption or grid-connected power generation, and to an inversing output terminal of the controller; a charging/discharging control output/input terminal inside the inverter is connected to an input/output terminal of the storage battery and a storage battery power supplying input terminal of the controller. | 2015-12-10 |
20150357971 | SWITCHABLE SOLAR CELL DEVICES - Exemplary embodiments provide a solar cell device, and method for forming the solar cell device by integrating a switch component into a solar cell element. The solar cell element can include a solar cell, a solar cell array and/or a solar cell panel. The integrated solar cell element can be used for a solar sensor, while the solar sensor can also use discrete switches for each solar cell area of the sensor. Exemplary embodiments also provide a connection system for the solar cell elements and a method for super-connecting the solar cell elements to provide a desired connection path or a desired power output through switch settings. The disclosed connection systems and methods can allow for by-passing underperforming solar cell elements from a plurality of solar cell elements. In embodiments, the solar cell element can be extended to include a battery or a capacitor. | 2015-12-10 |
20150357972 | METHOD AND DEVICE FOR DETECTING ELECTRICAL ARCING IN A PHOTOVOLTAIC INSTALLATION - Method for detecting an electric arc in a photovoltaic installation, which includes measurement (E | 2015-12-10 |
20150357973 | SOLAR CELL MODULE EFFICACY MONITORING SYSTEM AND MONITORING METHOD THEREFOR - A solar cell module efficacy monitoring system includes a reference module which includes a solar power generation module and is to be maintained in a clean condition, an evaluation module which includes a solar power generation module and is to be covered by dust in an environment, maximum power point tracking devices which track powers of the reference module and the evaluation module and maintain power outputs at maximum points by connected to the reference module and the evaluation module, respectively, and, a PV communication recording device which records power generation results of the reference module and the evaluation module by connected to the reference module and the evaluation module, and a calculation display device which calculates power loss due to accumulation of dust on the evaluation module by connected to the PV communication recording device. | 2015-12-10 |
20150357974 | BUFFER CIRCUIT - The present disclosure provides a buffer circuit comprising a plurality of operational amplifiers and a switch module. Each operational amplifier forms a buffer. The operational amplifier has an output stage. The stage has a first transistor and a second transistor. The first transistor and the second transistor are connected to an output terminal. The first transistor has a first control terminal. The second transistor has a second control terminal. The switch module is connected to the first control terminal of the first transistor and the second control terminal of the second transistor. The switch module connects together at least two of the first terminals of the first transistor according to a control signal. The switch module connects together at least two of the second terminals of the second transistor according to the control signal. | 2015-12-10 |
20150357975 | Hardware-Efficient Compensator For Outphasing Power Amplifiers - Digital compensators for use in outphasing-based power amplification systems (e.g., Linear Amplification using Nonlinear Components (LINC) amplifiers and Asymmetric Multilevel Outphasing (AMO) amplifiers) include a short memory nonlinear portion and a long memory linear time invariant (LTI) portion. In various embodiments, compensators are provided that are of relatively low complexity and that are capable of operation at throughputs exceeding a Gigasample per second. | 2015-12-10 |
20150357976 | DRIVER AMPLIFIER SYSTEMS AND METHODS OF THEIR OPERATION - The embodiments described herein provide a radio frequency (RF) driver amplifier and method of operation. In general, the driver amplifier facilitates high performance operation in RF devices while being implemented with only n-type transistors. Using only n-type transistors in the driver amplifier can increase the operating bandwidth of the driver amplifier. | 2015-12-10 |
20150357977 | PHASE NOISE REDUCTION IN LC-VCO - An approach for a transconductance cell for use in a voltage controlled oscillator (VCO) is provided. The transconductance cell includes a first NFET stack connected in series to a first PFET stack. The transconductance cell includes a second NFET stack connected in series to a second PFET stack. The first NFET stack and the first PFET stack are cross-coupled to the second NFET stack and the second PFET stack. The first NFET stack and the second NFET stack are connected to a tail node. The first PFET stack and the second PFET stack are connected to a power supply node. | 2015-12-10 |
20150357978 | TWO DIMENSIONAL INTEGRATED POWER COMBINER FOR RF POWER AMPLIFIERS - A novel and useful radio frequency (RF) front end module (FEM) circuit that provides high linearity and power efficiency and meets the requirements of modern wireless communication standards such as 802.11 WLAN, 3G and 4G cellular standards, Bluetooth, ZigBee, etc. The configuration of the FEM circuit permits the use of common, relatively low cost semiconductor fabrication techniques such as standard CMOS processes. The FEM circuit includes a power amplifier made up of one or more sub-amplifiers having high and low power circuits and whose outputs are combined to yield the total desired power gain. An integrated multi-tap transformer having primary and secondary windings arranged in a novel configuration provide efficient power combining and transfer to the antenna of the power generated by the individual sub-amplifiers. | 2015-12-10 |
20150357979 | OPERATIONAL AMPLIFIER - There is provided an operational amplifier which is operable as well when an operating voltage decreases without creating a range where a circuit would not operate or reducing circuit gain. High-pass filters | 2015-12-10 |
20150357980 | SIGNAL PROCESSING CIRCUIT, RESOLVER DIGITAL CONVERTER, AND MULTIPATH NESTED MIRROR AMPLIFIER - A signal processing circuit includes a chopper amplifier that has a differential amplifier circuit that amplifies differential input signals Vsp(t) and Vsm(t), and an adder circuit that generates an addition signal Vfil(t) by addition of the chopper output signal Vsub(t) that the chopper amplifier generates. Differential signals inputted into the differential amplifier circuit are interchanged for every first phase period and second phase period, and the adder circuit generates the addition signal by addition of the chopper output signal in the first phase period and in the second phase period. | 2015-12-10 |
20150357981 | Transimpedance Amplifier - A transimpedance amplifier includes a resistor assembly coupled between an output of the transimpedance amplifier and an input of the transimpedance amplifier, and a voltage source for applying a first voltage to a first conductive compensation element of the resistor assembly and a second voltage to a second conductive compensation element of the resistor assembly. The first voltage and the second voltage are each derived from the output voltage, V | 2015-12-10 |
20150357982 | GAIN BOOSTED DIFFERENTIAL TRANSCONDUCTANCE AMPLIFIER - A transconductance gain stage including a pair of gain transistors, each gain transistor having a base and an emitter, the emitter of each gain transistor electrically coupled to a degenerating resistor, and the emitter of each gain transistor connected to a gain resistor. | 2015-12-10 |
20150357983 | FIXED GAIN AMPLIFIER CIRCUIT - An instrumentation amplifier includes first and second resistors for gain setting. The operational amplifiers within the instrumentation amplifier include selectively enabled current drive sources coupled to the amplifier output. The first and second resistors have variable resistances. A control circuit is configured to select the variable resistances of the first and second resistors to implement a fixed gain for the instrumentation amplifier and further selectively enable the current drive sources. The control circuit receives an indication of a downstream programmable gain (for example, from a downstream programmable gain amplifier). The variable resistances of the first and second resistors are selected to be scaled inversely with respect to the downstream programmable gain and the current drive sources are enabled proportionately with respect to the downstream programmable gain. | 2015-12-10 |
20150357984 | RECEIVING DEVICE AND CONTROL METHOD FOR RECEIVING DEVICE - There are provided a receiving device that can enhance the degree of freedom of sound volume correction by a construction of quantitatively variably controlling the gain of an antenna amplifier, and a method of controlling the receiving device. | 2015-12-10 |
20150357985 | LOW-LOSS TUNABLE RADIO FREQUENCY FILTER - A method of constructing an RF filter comprises designing an RF filter that includes a plurality of resonant elements disposed, a plurality of non-resonant elements coupling the resonant elements together to form a stop band having a plurality of transmission zeroes corresponding to respective frequencies of the resonant elements, and a sub-band between the transmission zeroes. The non-resonant elements comprise a variable non-resonant element for selectively introducing a reflection zero within the stop band to create a pass band in the sub-band. The method further comprises changing the order in which the resonant elements are disposed along the signal transmission path to create a plurality of filter solutions, computing a performance parameter for each of the filter solutions, comparing the performance parameters to each other, selecting one of the filter solutions based on the comparison of the computed performance parameters, and constructing the RF filter using the selected filter solution. | 2015-12-10 |
20150357986 | MULTI-DIMENSIONAL ARRAY OF IMPEDANCE ELEMENTS - Circuitry formed of a two-dimensional regular array of capacitive elements | 2015-12-10 |
20150357987 | INTEGRATED CIRCUIT CONFIGURED WITH TWO OR MORE SINGLE CRYSTAL ACOUSTIC RESONATOR DEVICES - A configurable single crystal acoustic resonator (SCAR) device integrated circuit. The circuit comprises a plurality of SCAR devices numbered from 1 through N, where N is an integer of 2 and greater. Each of the SCAR device has a thickness of single crystal piezo material formed overlying a surface region of a substrate member. The single crystal piezo material is characterized by a dislocation density of less than 10 | 2015-12-10 |
20150357988 | FILTER DEVICE AND ELECTRIC-VEHICLE DRIVE CONTROLLER - A filter device that removes a noise current generated by an inverter includes a first filter capacitor that is provided in parallel to a direct-current unit of the inverter, a first filter reactor that is provided between a high-potential side of the first filter capacitor and an overhead line that is a power supply source of direct-current power, and a series circuit unit in which a fuse serving as a circuit disconnecting unit that is disconnected when a current larger than a rated current flows therein, a second filter reactor serving as an inductance element, and a second filter capacitor serving as a capacitance element are connected in series, where one end of the series circuit unit is connected to a low-potential side of the first filter capacitor and one end of the first filter reactor is connected to the series circuit unit. | 2015-12-10 |
20150357989 | Output Matching Network for Wideband Power Amplifier with Harmonic Suppression - A wideband harmonic trap includes a first resonant tank in the form of a parallel LC circuit, and a second resonant tank in the form of a series LC circuit. The LC circuits are connected to it common input, an output of the parallel LC circuit is connected to a load and to ground via a shunt capacitor, and an output of the series LC circuit is connected to the ground. | 2015-12-10 |
20150357990 | MOBILE TERMINAL - A mobile terminal according to the present invention can compensate for impedance mismatch of a tuner due to a user's grip, thereby improving communication quality. | 2015-12-10 |
20150357991 | RECEIVING DEVICE AND WIRELESS POWER TRANSFER APPARATUS - A receiving device includes: a secondary coil capable of wirelessly receiving alternating current power; a load having an impedance that varies in accordance with a value of input power; a variable impedance conversion unit located between the secondary coil and the load; a plurality of adjusting resistors located at an output side of the variable impedance conversion unit, wherein the adjusting resistors respectively have resistances that are fixed regardless of the value of the input power and differ from each other; and a switch that switches a subject supplied with power output from the variable impedance conversion unit to one of the load and the adjusting resistors. When the impedance of the variable impedance conversion unit is variably controlled, the subject supplied with the power output from the variable impedance conversion unit is switched to one of the adjusting resistors. | 2015-12-10 |
20150357992 | FREQUENCY DIVIDER APPARATUS - A frequency divider apparatus includes a micro-electro-mechanical system (“MEMS”) divider that is configured to be driven by an input signal. The MEMS divider includes a passive mechanical device that generates multiple output signals. Each of the output signals has a frequency less than a frequency of the input signal. | 2015-12-10 |
20150357993 | INTEGRATED CIRCUIT CONFIGURED WITH TWO OR MORE SINGLE CRYSTAL ACOUSTIC RESONATOR DEVICES - A configurable single crystal acoustic resonator (SCAR) device integrated circuit. The circuit comprises a plurality of SCAR devices numbered from 1 through N, where N is an integer of 2 and greater. Each of the SCAR device has a thickness of single crystal piezo material formed overlying a surface region of a substrate member. The single crystal piezo material is characterized by a dislocation density of less than 10 | 2015-12-10 |
20150357994 | RESONANCE CIRCUIT WITH A SINGLE CRYSTAL CAPACITOR DIELECTRIC MATERIAL - A single crystal acoustic electronic device. The device has a substrate having a surface region. The device has a first electrode material coupled to a portion of the substrate and a single crystal capacitor dielectric material having a thickness of greater than 0.4 microns and overlying an exposed portion of the surface region and coupled to the first electrode material. In an example, the single crystal capacitor dielectric material is characterized by a dislocation density of less than 10 | 2015-12-10 |
20150357995 | A filter for interpolated signals - A digital filter for filtering an input signal to form an output signal containing a coefficient multiplier and a moving-average filter. The coefficient multiplier is embodied to multiply values of the input signal by coefficients of the filter to form an intermediate signal. The moving-average filter is embodied to generate the output signal as a moving average of the intermediate signal. | 2015-12-10 |
20150357996 | RADIO RECEIVING DEVICE AND METHOD FOR SWITCHING FREQUENCIES OF RADIO STATIONS - A radio receiving device, including a positioning module, a radio receiver, a speaker device, and a control unit, and a method of switching frequencies of radio stations are provided. The positioning module obtains a geographic location of the radio receiving device. The radio receiver plays radio information through the speaker device at a first frequency of a radio. The control unit detects a first signal strength of the radio information at the first frequency. When the first signal strength is smaller than a default value, the control unit checks a radio network frequency list according to the geographic location to obtain a second frequency, and detects a second signal strength of the radio information at the second frequency. When the second signal strength is larger than the first signal strength, the radio receiver plays the radio information through the speaker device at the second frequency of the radio. | 2015-12-10 |
20150357997 | CORRECTION ARITHMETIC CIRCUIT AND A SIGNAL PROCESSOR - A correction arithmetic circuit disclosed herein includes an offset temperature characteristic correction unit that corrects an offset temperature characteristic of an input signal according to an input signal characteristic at a specific temperature and a temperature characteristic at a specific input signal. A signal processor disclosed herein includes a pulse count number setting circuit that generates a pulse count number setting signal in accordance with an input signal and a pulse generation unit that generates a pulse signal by counting a pulse number of a reference clock signal according to the pulse count number setting signal. The pulse count number setting circuit corrects the pulse count number setting signal so as to cancel a frequency temperature characteristic of the pulse signal. | 2015-12-10 |
20150357998 | METHOD OF OPERATING CHANNEL BUFFER BLOCK AND DEVICES INCLUDING THE CHANNEL BUFFER BLOCK - A method of operating a channel buffer block is provided. The method includes changing bias voltages applied to bias lines in an input stage included in the channel buffer block using a coupling effect of coupling capacitors during a slewing interval and increasing bias currents in the input stage using input voltages and changed bias voltages. | 2015-12-10 |
20150357999 | Direct Coupled Biasing Circuit for High Frequency Applications - This invention eliminates the need for “capacitor coupling” or “transformer coupling,” and the associated undesirable parasitic capacitance and inductance associated with these coupling techniques when designing high frequency (˜60 GHz) circuits. At this frequency, the distance between two adjacent stages needs to be minimized. A resonant circuit in series with the power or ground leads is used to isolate a biasing signal from a high frequency signal. The introduction of this resonant circuit allows a first stage to be “directly coupled” to a next stage using a metallic trace. The “direct coupling” technique passes both the high frequency signal and the biasing voltage to the next stage. The “direct coupling” approach overcomes the large die area usage when compared to either the “AC coupling” or “transformer coupling” approach since neither capacitors nor transformers are required to transfer the high frequency signals between stages. | 2015-12-10 |
20150358000 | DRIVE CIRCUIT AND SEMICONDUCTOR APPARATUS - A drive circuit includes a gate drive node; a power source node; an output transistor configured to be connected between the gate drive node and the power source node, and to flow a current into the gate drive node; an input transistor configured to form a current mirror with the output transistor, and to have a smaller size than the output transistor; an operational amplifier configured to output a control voltage depending on a potential difference between a voltage received as input depending on a voltage of the gate drive node, and a constant voltage lower than a voltage of the power source node; a constant current source configured to generate a constant current; and a control transistor configured to control a current flowing in the input transistor to be less than or equal to the constant current, depending on the control voltage. | 2015-12-10 |
20150358001 | WIDE-BAND DUTY CYCLE CORRECTION CIRCUIT - A duty cycle correction circuit includes a rising edge variable delay circuit and a falling edge variable delay circuit. The variable delay for each delay circuit depends upon an uncorrected duty cycle for an uncorrected clock signal being corrected by the duty cycle correction circuit into a corrected clock signal having a desired duty cycle. | 2015-12-10 |
20150358002 | PULSE WIDTH MODULATOR FOR USE IN AVIATION - A pulse width modulator for use in avionics is described. This comprises an input operable to receive a direct current input and an output switch controlled to provide a pulse train having a duty cycle, whereby the output switch is configured such that each pulse within the pulse train has at least one of a sloping rising or falling edge. | 2015-12-10 |
20150358003 | LEVEL SHIFT CIRCUIT - Provided is a high-reliability level shift circuit not prone to faulty operation due to noise. A level shift circuit | 2015-12-10 |
20150358004 | D-TYPE FLIP-FLOP AND CLOCK GENERATING CIRCUIT - A D-type flip-flop according to embodiments comprises: a transmission element configured in a slave latch, the transmission element fetching an output of a first latch circuit and outputting the fetched output to a first node, based on a clock signal; a first latch circuit constituting element configured in the first latch circuit, the first latch circuit giving an output of one logical value to the first node through the transmission element with the output fixed in a second mode; and a second latch circuit constituting element configured in the second latch circuit that holds a signal which appears at the first node, the second latch circuit constituting element giving an output of other logical value to the first node based on the clock signal with the output fixed in the second mode. | 2015-12-10 |
20150358005 | OFFSET CALIBRATION FOR LOW POWER AND HIGH PERFORMANCE RECEIVER - Systems and methods for providing offset calibration for low power and high performance receivers are described herein. In one embodiment, a method for offset calibration comprises inputting a first voltage to a first input of a sample latch, and inputting a second voltage and an offset-cancelation voltage to a second input of the sample latch. The method also comprises adjusting the offset-cancelation voltage, observing an output of the sample latch as the offset-cancelation voltage is adjusted, and recording a value of the offset-cancelation voltage at which a metastable state is observed at the output of the sample latch. The method may be performed for each one of a plurality of different voltage levels for the first voltage to determine an offset-cancelation voltage for each one of the voltage levels. | 2015-12-10 |
20150358006 | METHOD FOR DETECTING HYSTERESIS CHARACTERISTIC OF COMPARATOR AND SEMICONDUCTOR DEVICE - A method for detecting a hysteresis characteristic of a comparator, include: causing a controller to control an offset adjuster configured to adjust an offset amount of the comparator; causing the controller to change the offset amount from a first value toward a second value and detect a third value when a logic level of a signal output from the comparator is changed; causing the controller to change the offset amount from the second value toward the first value and detect a fourth value when the logic level is changed; and causing the controller to detect the hysteresis characteristic of the comparator based on a first difference between the third value and the fourth value. | 2015-12-10 |
20150358007 | DELAY STRUCTURE FOR A MEMORY INTERFACE - Systems and methods for delaying a signal are described herein. In one embodiment, a method for delaying a signal comprises receiving a first signal edge, and, in response to receiving the first signal edge, counting a number of oscillations of an oscillator. The method also comprises outputting a second signal edge if the number of oscillations reaches a predetermined number. The second signal edge represents a delayed version of the first signal edge. | 2015-12-10 |
20150358008 | Linearity of Phase Interpolators using Capacitive Elements - A phase interpolator, including: a pair of load resistors coupled to a supply voltage; a plurality of branches coupled to the pair of load resistors, each branch including a differential pair of transistors connected at source terminal to form a source node; a plurality of tail current sources, each tail current source coupled to one of the source nodes; and a plurality of coupling capacitors, each coupling capacitor coupled between the source nodes in two adjacent branches of the plurality of branches. | 2015-12-10 |
20150358009 | FREQUENCY MULTIPLICATON PROCESSING METHOD AND DEVICE - The present invention relates to the technical field of printing, and in particular, to a frequency multiplication processing method and device, for solving the problem of poor quality of a printed image. The frequency multiplication processing method according to an embodiment of the invention comprises: for two adjacent pulse signals output from an encoder, determining a first kind of pulse signals and a second kind of pulse signals to be inserted between the two adjacent pulse signals according to a time interval between the two adjacent pulse signals and a frequency multiplication value corresponding to a longitudinal resolution; determining a period of the first kind of pulse signals to be inserted between the two adjacent pulse signals according to a first pulse period corresponding to the two adjacent pulse signals, and determining a period of the second kind of pulse signals to be inserted between the two adjacent pulse signals according to a second pulse period corresponding to the two adjacent pulse signals; and performing frequency multiplication processing on the two adjacent pulse signals according to the determined period of the first kind of pulse signals and period of the second kind of pulse signals. The embodiments of the invention further improve the printing quality of images. | 2015-12-10 |
20150358010 | STACKED SEMICONDUCTOR APPARATUS BEING ELECTRICALLY CONNECTED THROUGH THROUGH-VIA AND MONITORING METHOD - A semiconductor apparatus includes a plurality of stacked chips. Each of the plurality of stacked chips includes a delay chain. Each of the plurality of stacked chips comprises a plurality of Through-Vias, wherein one of the plurality of Through-Vias formed in a first one of the plurality of stacked chips and electrically coupled to a predetermined location of a first delay chain on the first one of the plurality of stacked chips and one of the plurality of Through-Vias formed in a neighboring one of the plurality of stacked chips and electrically coupled to a predetermined location of a delay chain on the neighboring one of the plurality of stacked chips are configured to electrically couple the first one of the plurality of stacked chips to the neighboring one of the plurality of stacked chips. A signal transmitted from a first one of the plurality of stacked chips generates a feedback signal to the first one of the plurality of stacked chips through one or more of the plurality of Through-Vias. | 2015-12-10 |
20150358011 | ADAPTIVE EDGE-RATE BOOSTING DRIVER WITH PROGRAMMABLE STRENGTH FOR SIGNAL CONDITIONING - A signal conditioner that includes a transition-detection module and a current-injection module. The transition-detection module is configured to receive a pair of differential signals from a data line and generate one or more comparator output signals and a transition-indication signal to indicate whether a transition has been detected on the differential signals. The current-injection module is configured to receive the comparator output signals and transition-indication signal from the transition-detection module, and generate appropriate currents for injection into the data line to boost edge rates of the differential signals when the transition-detection module detects a transition of the differential signals or remain high impedance when no transition occurs on the differential signals. | 2015-12-10 |
20150358012 | CONTROLLING TURN ON FETS OF A HOT PLUG DEVICE - A method for controlling the in-rush current to a hot plug device. The method includes providing a series of turn on pulses to the gates of a plurality of turn on FETs on a hot plug device coupled to a direct current power source, wherein each pulse causes the plurality of FETs to pass current from the direct current power source to a subsystem of the hot plug device, and wherein each pulse has a duration that ends before the impedance of the turn on FETs falls below a safe operating region. The method further includes providing a steady turn on signal to the FETs in response to the output voltage from the FETs to a subsystem of the hot plug device exceeding a predetermined voltage threshold. | 2015-12-10 |
20150358013 | GATE DRIVING CIRCUIT - A temperature detection circuit for detecting a temperature of a switching element, a current source for causing a forward current to flow to the temperature detection circuit, an amplifier circuit for amplifying a forward voltage of the temperature detection circuit, a current adjustment circuit for adjusting a magnitude of a gate current to the switching element on the basis of an output voltage of the amplifier circuit, and a drive circuit for receiving an external signal and turning ON/OFF the switching element, are included. The magnitude of the gate current caused to flow from the current adjustment circuit to the gate electrode of the switching element is adjusted on the basis of a change in a magnitude of the forward voltage corresponding to a change in the temperature of the temperature detection circuit. | 2015-12-10 |
20150358014 | Large Projected Capacitive Touch Sensor - The present disclosure describes methods for designing a projected capacitive touch sensor, projected capacitive touch sensor manufacturing methods, and projected capacitive touch sensors. A projected capacitive touch sensor may comprise: a sensor grid including electrically conductive rows and electrically conductive columns, and wherein one or more rows, or one or more columns, include one or more electrically conductive tiles, wherein each tile includes multiple electrically connected elements with pseudo-random orientation. | 2015-12-10 |
20150358015 | Constant Impedance Switch - A constant impedance switch dynamically manages switch impedance to eliminate or substantially reduce impedance glitches during switching events by stepping variable impedances through sequences of impedance values. As a result, VSWR may be reduced to or near 1:1, allowing programming and circuitry to be simplified. Switch impedance may be maintained for single and multi-throw switches having variable impedances of any order. Each variable impedance may comprise one or more configurable cells, subcells and elements controlled by thermometer, binary, hybrid or other coding technique. | 2015-12-10 |
20150358016 | Current Mirror Circuits with Narrow Bandwidth Bias Noise Reduction - A current mirror circuit includes a first transistor connected to a voltage source, a gate of the first transistor being connected to a drain of the first transistor, a current source connected to the drain and the gate of the first transistor, the current source being configured to generate a predetermined first output current, a sample and hold circuit having an input connected to the gate of the first transistor, a second transistor connected to the voltage source, a gate of the second transistor being connected to an output of the sample and hold circuit, and a controller operatively connected to the sample and hold circuit, the controller being configured to operate the sample and hold circuit at a predetermined sampling frequency to attenuate bias noise from the first transistor in a second output current from the second transistor. | 2015-12-10 |
20150358017 | METHOD AND APPARATUS FOR REDUCING POWER BOUNCING OF INTEGRATED CIRCUITS - A circuit is provided having a core circuit for sinking a first current from a first internal power supply node, a power bouncing reduction circuit for receiving power from a second internal power supply node and sourcing a second current to the first internal power supply node in accordance with a change of voltage at the first internal power supply node, and a package for coupling the first internal power supply node and the second internal power supply node to a first external power supply node and a second external power supply node, respectively. A corresponding method is also provided. | 2015-12-10 |
20150358018 | GATE DRIVING CIRCUIT AND DISPLAY DEVICE HAVING THE SAME - A gate driving circuit including a plurality of gate driving units respectively coupled to a plurality of gate lines, each of the plurality of gate driving units includes a carry unit configured to output a carry signal, a pull-up unit configured to output a gate signal, and a pull-down unit configured to pull down an output node of the gate signal. The frequency control signal is configured to controlling a frequency of outputting the gate signal | 2015-12-10 |
20150358019 | GATE POTENTIAL CONTROL CIRCUIT - A gate potential control circuit includes a driving switching element, a first gate potential supply part, a first switching element, a first resistor, and a first operational amplifier. The first operational amplifier includes an output portion connected to a gate of the first switching element, an inverting input into which a first reference potential is input, and a non-inverting input into which a closer one of a first value and a second value to a potential of the first gate potential supply part is input. The first value is based on a potential difference obtained by subtracting a potential of a terminal of the first resistor on a driving switching element side from a potential of a terminal of the first resistor on a first gate potential supply part side. The second value is based on a potential of a terminal of the first switching element. | 2015-12-10 |
20150358020 | TRANSMITTING APPARATUS WITH SOURCE TERMINATION - In one embodiment, an apparatus for transmitting a signal with an improved termination is disclosed. The apparatus includes a driver to generate a differential mode signal superimposed on a common mode signal at a differential driver output of the driver. The differential driver output includes a first driver output and a second driver output. The apparatus also includes a termination circuit coupled between the first driver output and the second driver output. The termination circuit includes a capacitor connected to a node. The termination circuit also includes a first resistor and a first inductive element coupled in series between the first driver output and the node. In addition, the termination circuit includes a second resistor and a second inductive element coupled in series between the second driver output and the node. | 2015-12-10 |