| 18th week of 2016 patent applcation highlights part 68 |
| Patent application number | Title | Published |
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| 20160126803 | Universal Housing Mount - A universal mounting housing for a linear actuator has a housing with a wall having an inner surface and an outer surface with at least one bore to enable securement of the housing. The at least one bore has an axial open portion that enables passage of attachment members. The at least one bore has a first and second diameter portion. The first diameter portion extends a length of the open portion. The diameter is of a size necessitating the attachment members to be axially moved into the at least one bore. The second diameter portion is larger than the first diameter portion. The second diameter portion receives a head portion of the attachment member. | 2016-05-05 |
| 20160126804 | Engine - A motor for generating rotational force employable for work is provided having a wheel operatively engaged to rotate on an axle and a plurality of magnetic assemblies radially positioned on said wheel between the axle and a circumferential edge. Rotation under force of the wheel is provided by sequential energizing of opposing pairs of magnetic assemblies to translate components engaged therewith to achieve an out of balance state of the wheel and rotation under force. | 2016-05-05 |
| 20160126805 | SYSTEM AND METHOD FOR POWER GENERATION - A power generation system includes a conducting tube and a generating unit configured to move linearly over a conductive surface of the conducting tube. Further, the generating unit includes a magnetic rotor configured to create a first magnetic field proximate the conductive surface and a stator disposed concentric with and radially inside the magnetic rotor, and including electrical coils. The magnetic rotor rotates about the stator to induce a voltage in the electrical coils when the generating unit moves linearly over the conductive surface of the conducting tube. | 2016-05-05 |
| 20160126806 | BEARING ASSEMBLY WITH INTEGRATED GENERATOR - A bearing assembly comprising a generator for harvesting electrical energy from rotational kinetic energy. The electromagnetic induction generator includes a magnetic rotor (including a plurality of magnets arranged with alternating polarities along a rotor periphery) and a stator having a coil. The generator is mounted to a first part of the assembly, which is rotatable about the bearing axis of rotation. The magnetic rotor is rotationally supported relative to the stator and is rotatable about an axis of rotation, which is different from the bearing axis of rotation. The assembly further comprises a target surface made of an electrically conductive material provided on a second part of the bearing assembly. During operation, relative rotation takes place between the first and second parts. The rotor is arranged whereby magnetic field lines from the plurality of magnets intersect the target surface during at least part of one revolution about the bearing axis. | 2016-05-05 |
| 20160126807 | BEARING DEVICE WITH ENERGY HARVESTING MEANS - A bearing arrangement including a rotating part and a non-rotating part. The rotating part is configured to rotate relative to the non-rotating part with an essentially horizontal rotation axis. The arrangement is provided with an energy generating system, comprising at least one micro generator module. The micro generator module includes a housing, an eccentric mass mounted so as to be rotatable around an eccentric shaft in the housing, and a generator unit configured to generate electrical energy using the rotation of the eccentric shaft. The energy generating system is mounted to the rotating part of the arrangement. | 2016-05-05 |
| 20160126808 | DRIVING DEVICE AND VEHICLE WITH THE SAME - A driving device according to one aspect of the present disclosure includes: a motor including a winding wire; a first cooler configured to cool the motor; and a power converter coupled to the motor. The motor, the first cooler, and the power converter are arranged in this order along a first direction. | 2016-05-05 |
| 20160126809 | Electric-Electronic Actuator - An actuator housing assembly that includes an actuator housing that has a cavity that contains a phase-change material that is configured to continue to absorb heat as the phase-change material changes phases. The actuator housing assembly also includes an electronic actuator that is secured to the actuator housing. At least a portion of the cavity may be positioned to surround at least a portion of the electronic actuator. The phase-change material is configured to prevent the transfer of heat in the actuator housing to the electronic actuator. The actuator housing may also include an electronic control board that is used in controlling the operation of the electronic actuator. | 2016-05-05 |
| 20160126810 | COOLING OF MACHINE FOR ELEVATOR SYSTEM - In one embodiment, an electric machine includes a rotor including a plurality of permanent magnets and rotatable about a central axis of the machine. The machine further includes a stator including a cylindrical stator shell and a plurality of stator windings positioned at the stator shell and located radially inboard of the plurality of permanent magnets. A plurality of heat sink segments are secured to a radially inboard surface of the stator shell. Each heat sink segment of the plurality of heat sink segments includes a base portion located at the radially inboard surface and a plurality of fins extending radially inwardly from the base portion. | 2016-05-05 |
| 20160126811 | Brushless Motor with Modular Position Sensor - A brushless DC motor is provided. The brushless DC motor comprises a motor housing around an axis, a stator assembly inside the motor housing, a carrier plate fixed relative to the stator assembly, and a Hall effect sensor assembly removably coupled to the carrier plate. A method of making a brushless DC motor is also provided comprising fixing a carrier plate relative to a stator assembly of a brushless DC motor assembly, and fixing a first Hall effect sensor array to the carrier plate. | 2016-05-05 |
| 20160126812 | ACTUATOR DEVICE AND DEVICE FOR CONTROLLING OPENING/CLOSING BODY OF VEHICLE - An actuator apparatus includes a motor, an electromagnetic clutch, and an accommodation member accommodating the electromagnetic clutch, the electromagnetic clutch including an armature supported by a drive member rotated by motor drive and being adapted to rotate integrally with the drive member, a rotor being rotatable relative to the armature and being adapted to rotate integral with an output member, an electromagnet being capable of connecting the armature and the rotor to each other in accordance with an electromagnetic attractive force generated by electrification in such a manner that torque of the motor is transmittable, the actuator apparatus including a conductive member integrally provided at the accommodation member and being connected to a conductive portion of the electromagnetic clutch in such a manner that the conductive member forms a ground circuit that can connect the conductive portion with ground. | 2016-05-05 |
| 20160126813 | ROTOR MANUFACTURING METHOD - In a rotor manufacturing method, a magnetic body is moved by being pushed by a pusher along a guide surface of a guide portion, and the magnetic body is in a stated of being biased to the guide surface since the magnetic body is urged by a restriction portion. Therefore, the magnetic body can slide reliably between the guide portion and the restriction portion while restricting an insertion posture of the magnetic body. Thus, even if a wall surface of a magnet insertion hole is provided with a protrusion, when the magnetic body slides with the guide surface as a reference, the magnetic body will not abut against the protrusion, and the magnetic body can be reliably loaded into the magnet insertion hole. | 2016-05-05 |
| 20160126814 | METHOD FOR PRODUCING A ROTOR - In a method for producing a rotor including a leak prevention hole formed in a rotor core to prevent leakage of magnetic flux from a permanent magnet; an outer-circumferential-side dovetail groove formed in an outer-circumferential-side inner wall of the leak prevention hole, an inner-circumferential-side dovetail groove formed, opposite the outer-circumferential-side dovetail groove, in an inner-circumferential-side inner wall of the leak prevention hole; and a non-magnetic bridge having both end portions engageable with the dovetail grooves, an external force is applied to bring the outer-circumferential-side inner wall close to the inner-circumferential-side inner wall, the non-magnetic bridge is inserted in the dovetail grooves while keeping the rotor core in an elastically deformed state, and, after inserting, the external force is released. | 2016-05-05 |
| 20160126815 | APPARATUS AND METHOD FOR POSITIONING AND WINDING POLE MEMBERS OF DYNAMO ELECTRIC MACHINES - An apparatus and a method for winding turns of coils of pole members ( | 2016-05-05 |
| 20160126816 | VARNISH IMPREGNATION APPARATUS AND VARNISH IMPREGNATION METHOD - A varnish impregnation apparatus that includes a support that supports a stator, in which the stator coil is mounted to the stator core, with an axial direction of the stator directed in a horizontal direction while grasping a radially outer side of the stator, and that is rotationally driven by a rotary device to rotate the stator; a varnish dropping device that drops the varnish toward a coil end portion of the stator which is rotated while being supported by the support; and a heater disposed in a cavity portion provided at an axial center of the stator core of the stator supported by the support to heat the stator from a radially inner side of the stator. | 2016-05-05 |
| 20160126817 | Automobile automatic transmission - An automobile automatic transmission with a double-rotor structure, comprising an internal rotor ( | 2016-05-05 |
| 20160126818 | SYNCHRONOUS ELECTRIC MOTOR WITH PERMANENT MAGNETS - A synchronous electric motor with permanent magnets ( | 2016-05-05 |
| 20160126819 | ENERGY-HARVESTING DEVICE - A semiconductor device includes a moveable element over a substrate, wherein the moveable element is moveable relative to the substrate. The semiconductor device further includes a first anchor portion connected to the substrate; and a second anchor portion connected to the substrate on an opposite side of the moveable element from the first anchor portion. The semiconductor device further includes a first connector configured to connect the moveable element to the first anchor portion. The semiconductor device further includes a second connector configured to connect the moveable element to the second anchor portion. The semiconductor device further includes a conductive wire loop on the moveable element; and a connection wire electrically connected to a first end of the conductive wire loop, wherein the connection wire extends across the first connector to the first anchor portion. | 2016-05-05 |
| 20160126820 | LINEAR MOTOR WITH REDUCED COGGING FORCE - A linear motor includes a plurality of magnets arranged at equal intervals, and an armature arranged opposite to the magnets and including an armature core having a plurality of teeth extending toward the magnets. The teeth include a first tooth located at one end in the thrust direction and a second tooth located at the other end on the opposite side. The first tooth and the second tooth have different dimensions or shapes so as to reduce cogging force generated due to the structure of the armature core at the ends in the thrust direction. | 2016-05-05 |
| 20160126821 | LINEAR ACTUATOR - Provided is a linear actuator whose entire length can be shortened while thrust thereof can be made large. The linear actuator of the present invention is provided with the following: a hollow drive magnet ( | 2016-05-05 |
| 20160126822 | SYNCHRONIZING PARALLEL POWER SWITCHES - The invention generally relates to methods and circuits for controlling switching of parallel coupled power semiconductor switching devices ( | 2016-05-05 |
| 20160126823 | MULTIPLE-TUNED FILTER DESIGN METHOD FOR HVDC SYSTEM - A method of designing a multiple-tuned filter (MTF) of a high voltage direct current (HVDC) system is provided. The method includes selecting an input parameter for the MTF, setting a resonance frequency of the MTF, calculating values of inductance (L) and capacitance (C) which are filter parameters of the MTF on the basis of the input parameter and the resonance frequency, combining a value of resistance (R) with the filter parameters and calculating a price according to the combination, and storing the combined values of R, L, and C when the calculated price falls within a predetermined price range. | 2016-05-05 |
| 20160126824 | HARMONIC REGULATOR FOR CURRENT SOURCE RECTIFICATION AND INVERSION - A system includes a current source rectifier which has a plurality of switches configured to receive an input current from an AC voltage source and to receive a plurality of control signals. The switches are configured to produce a rectified output current based on the input current and the control signals. The system also includes a rectifier controller configured to receive a current sense signal indicative of the rectified output current and to generate the control signals based at least in part on the current sense signal, where the control signals cause the current source rectifier to attenuate at least one of a plurality of harmonic frequencies in the rectified output current. | 2016-05-05 |
| 20160126825 | POWER SUPPLY APPARATUS WITH ALTERNATING CURRENT POWER DETECTION CIRCUIT - A power supply apparatus includes a main power processing circuit and an alternating current power detection circuit. The alternating current power detection circuit is electrically connected to the main power processing circuit. The alternating current power detection circuit includes a rectifying unit and a frequency processing unit. The rectifying unit is electrically connected to the main power processing circuit. The frequency processing unit is electrically connected to the main power processing circuit and the rectifying unit. The rectifying unit rectifies an alternating current power to obtain a rectified power. When a frequency of the rectified power is greater than a predetermined frequency, the frequency processing unit informs the main power processing circuit, so that the main power processing circuit processes the alternating current power to obtain an output direct current power. | 2016-05-05 |
| 20160126826 | CIRCUIT AND METHOD FOR BALANCING SUPERCAPACITORS IN A SERIES STACK USING MOSFETS - A circuit for automatically balancing leakage current has at least two supercapacitors coupled in series. A respective MOSFET is placed across each of the at least two supercapacitors. | 2016-05-05 |
| 20160126827 | SUB-MODULE, PROTECTION UNIT, CONVERTER, AND CONTROL METHOD THEREOF - Disclosed are a submodule structure formed of an energy storage element, a first turn-off device, a second turn-off device, a third turn-off device, a freewheeling diode, a series resistor, and diodes respectively in antiparallel connection with the turn-off devices, and a converter completely or partially formed of the submodules. Also disclosed are a relevant protection unit and a control method for the converter. The converter can be locked when a direct current (DC) fault occurs to prevent an alternating current (AC) system from injecting a fault current into a DC network, so that a transient fault of the DC network can be removed without tripping an AC line switch, thereby rapidly restarting the system. A charging resistor is comprised in the submodule so that a charging resistor disposed at an AC side of the converter can be reduced and even may not be disposed. | 2016-05-05 |
| 20160126828 | APPARATUS AND METHOD FOR CONTROLLING OVERCURRENT OF GRID-CONNECTED INVERTER DUE TO ABNORMAL GRID VOLTAGE - An apparatus for controlling overcurrent of a grid-connected inverter due to an abnormal grid voltage includes a grid voltage sensor configured to sense a grid voltage according to an output current of the grid-connected inverter, a voltage variation calculator configured to calculate a D-axis voltage and a Q-axis voltage of the grid voltage to obtain variation values of the D-axis voltage and the Q-axis voltage, and an output current controller configured to determine whether at least one of the D-axis voltage variation value and the Q-axis voltage variation value exceeds a set value of the grid voltage variation, and decrease the output current by a predetermined value when one of the D-axis voltage variation value and the Q-axis voltage variation value exceeds the set value of the grid voltage variation. | 2016-05-05 |
| 20160126829 | INDUCTOR AND POWER FACTOR CORRECTOR USING THE SAME - The present invention is related to an inductor, which includes winding set, a magnetic core, and an auxiliary magnetic core. The magnetic core includes a winding part and two opposite end-surfaces. The auxiliary magnetic core including a top surface is attached on one of the end surface and faces the other end surface so as to form an air gap therebetween. The permeability of the auxiliary magnetic core is smaller than that of the magnetic core. The winding is wound around the winding part, the air gap, and the auxiliary magnetic core. The auxiliary magnetic core achieves magnetic saturation before that of the magnetic core when current flowing through the winding set is increased, which reduces current variation per unit time of the inductor. | 2016-05-05 |
| 20160126830 | CHARGE PUMP CIRCUIT, INTEGRATED CIRCUIT, ELECTRONIC DEVICE AND METHOD THEREFOR - A charge pump circuit for generating a negative voltage has a switched capacitor voltage inverter circuit arranged to receive at least one clock signal and generate a negative voltage therefrom; a regulation control loop providing a feedback path from the output of the switched capacitor voltage inverter circuit to a supply input of the switched capacitor voltage inverter circuit, wherein the regulation control loop has a filter arranged to filter the generated negative voltage; and an output arranged to output the filtered generated negative voltage. | 2016-05-05 |
| 20160126831 | CHARGE PUMP CIRCUIT, INTEGRATED CIRCUIT, ELECTRONIC DEVICE AND METHOD THEREFOR - A charge pump circuit for generating a negative voltage has: a clock generator arranged to output at least one clock signal; a switched capacitor voltage inverter circuit including capacitive elements wherein the switched capacitor voltage inverter circuit receives the at least one clock signal and generates a negative voltage therefrom. The charge pump circuit further has a regulation control loop providing a feedback path from an output of the switched capacitor voltage inverter circuit to a supply input of the switched capacitor voltage inverter circuit, and an output arranged to output a generated negative voltage. The feedback path has an operational amplifier configured to generate a maximum charging supply voltage from a fed back level-shifted negative voltage and apply the maximum charging supply voltage to the input supply of the switched capacitor voltage inverter to charge at least one of the capacitive elements during a loop start up. | 2016-05-05 |
| 20160126832 | CIRCUITS, DEVICES, AND METHODS FOR OPERATING A CHARGE PUMP - Circuits, devices, and methods for operating a charge pump. In some implementations, a charge pump module includes a clock circuit configured generate to a first clock signal and a second clock signal, the first clock signal having a lower frequency than the second clock signal. The charge pump module also includes a driving circuit configured to generate a first set of clock signals based on the first clock signal and a second set of clock signals based on the second clock signal, the driving circuit coupled to the clock circuit. The charge pump module further includes a charge pump core including a set of capacitances, the charge pump core configured to charge the set of capacitances based the first set of clock signals and the second set of clock signals. | 2016-05-05 |
| 20160126833 | DC BOOSTING CIRCUIT - A DC boosting circuit includes switch connected to a first circuit and a second circuit. The first circuit includes first and second elements, and the second circuit includes the second element and a third element. The first and second elements store energy based on an input voltage when the switch is in a first state. The third element stores energy from the second element when the switch is in the second state. The second circuit outputs a voltage greater than the input voltage, and the first, second, and third elements are reactors or capacitors. | 2016-05-05 |
| 20160126834 | CHARGE PUMP CIRCUIT AND METHODS OF OPERATION THEREOF - A charge pump circuit, and associated method and apparatuses, for providing a split-rail voltage supply, the circuit having a network of switches that is operable in a number of different states and a controller for operating the switches in a sequence of said states so as to generate positive and negative output voltages together spanning a voltage approximately equal to the input voltage and centered on the voltage at the common terminal. | 2016-05-05 |
| 20160126835 | Variable Frequency Charge Pump - A charge pump circuit that utilizes a sensing circuit for determining the current loading or status of the output supply generated by the charge pump circuit to determine a corresponding frequency for a variable rate clock for the charge pump circuit. When a current load is present, the clock frequency automatically ramps up to a relatively high level to increase the output current of the charge pump circuit. When the current load is removed and the supply is settled out, the clock frequency is automatically reduced to a relatively quieter level and the charge pump circuitry operates at a lower power level. Accordingly, the charge pump circuit is only noisy when it has to be, thus providing optimal power when required and being electrically quiet and operating at lower power at all other times. | 2016-05-05 |
| 20160126836 | MULTI-MODE CONTROLLED POWER CONVERTER - A switched power converter includes a switchable power stage for generating an output voltage according to a switching signal and an input voltage via a switching element. The switching signal is generated by a multi-mode controller. The multi-mode controller controls a digital control path for generating a pulse width modulation switching signal and a constant-on-time control path for generating a constant-on-time switching signal. The switching signal for controlling the switching element is generated in the digital control path when the multi-mode controller is run in a high load mode. The switching signal is generated in the constant-on-time control path when the multi-mode controller is run in a light load mode. | 2016-05-05 |
| 20160126837 | Intermediate Voltage Bus Converter with Power Saving Modes - A DC/DC voltage converter includes a first stage operable to convert a first DC voltage rail to a second DC voltage rail different than the first DC voltage rail and a second stage operable to convert the second DC voltage rail to a third DC voltage rail lower than the second DC voltage rail and deliver current to a load at the third DC voltage rail, the amount of current delivered to the load corresponding to an operating set point of the second stage. The second stage is operable to change its operating set point responsive to a command received from the load, such that the amount of current delivered to the load is reduced. The first stage is operable to change its operating set point responsive to a command issued by the load, such that the amount of current delivered to the second stage is reduced. | 2016-05-05 |
| 20160126838 | Automatic Reference Generator in Switching Boost Converters - The present document relates to switching DC converters In particular, the present document relates to creating an auxiliary reference voltage for the switching converter to implement a dynamic correction of static load regulation. Main objective of the disclosure is minimizing the regulation error on account of accuracy when non-idealities present in the regulation loop are considered. An additional control loop to monitor the regulated error signal has been added. The additional loop has the purpose to create an auxiliary reference for the boost converter which will be updated (up and down) whenever the regulation exceeds a target threshold. | 2016-05-05 |
| 20160126839 | BOOST CONVERTERS HAVING SELF-ADAPTIVE MAXIMUM DUTY-CYCLE-LIMIT CONTROL - In one embodiment, a control circuit adjusts a duty cycle of a boost converter and comprises a duty cycle limiter generator configured to receive an input voltage provided to the boost converter and to generate a control signal to be provided to the boost converter for adjusting the duty cycle of the boost converter to control the output voltage of the booster converter in response to the input voltage. In one embodiment, the maximum duty cycle limit generator further generates the maximum duty cycle signal in response to an output voltage of the boost converter. | 2016-05-05 |
| 20160126840 | POWER CONVERTER WITH CURRENT SENSING - A current sense arrangement for switched power converters is provided wherein the clock used for sampling a sensed current of a power stage of the switched power converter is derived asynchronously from a master clock such that the local clock and the master clock are de-correlated. De-correlation can be achieved by deriving the local clock from the master clock with a modulo-m-counter having a sequence length. | 2016-05-05 |
| 20160126841 | BUCK CONVERTER AND METHOD OF OPERATING A BUCK CONVERTER - A buck converter has an output node and a ground node, wherein a load is connected between the output node and the ground node and is arranged to drive an output current I_out through the output node, generating an output voltage V_out. A current control unit arranged to control the output current I_out in dependence on a control voltage V_ctl provided at a control node; and a voltage control unit arranged to provide the control voltage V_ctl. The voltage control unit comprises: an integrator unit arranged to control the control voltage V_ctl in dependence on a time integral of a difference between the output voltage and the reference voltage; at least one of an overshoot detector arranged to detect an overshoot of the output voltage V_out, and an undershoot detector arranged to detect an undershoot of the output voltage V_out. | 2016-05-05 |
| 20160126842 | SWITCHING POWER SUPPLY - A switching power supply includes: a switching output circuit generating an output voltage from an input voltage according to ON/OFF control of an output transistor by a pulse width modulation (PWM) signal; a first voltage generating circuit generating a first voltage based on a difference between the output voltage and a predetermined reference voltage; a second voltage generating circuit generating a triangular second voltage; a comparing circuit generating a comparison signal by comparing the first voltage and the second voltage; a clock oscillating circuit generating a clock signal; and a logic circuit generating a PWM signal in response to the clock signal and the comparison signal, wherein the second voltage generating circuit generates the second voltage by adding a first slope voltage having a first slope and a second slope voltage having a second slope according to current flown through the switching output circuit. | 2016-05-05 |
| 20160126843 | POWER SYSTEM WITH ADAPTIVE CONTROL - A system includes a plurality of DC-DC converters connected in parallel. Each DC-DC converter of the plurality of converters comprising an adaptive controller is configured to adaptively alter an output resistance of the DC-DC converter by adaptively altering a load line of the DC-DC converter such that a difference between each current being supplied by each DC-DC converter of the plurality of DC-DC converters into a common load is minimized. | 2016-05-05 |
| 20160126844 | Secondary Side Control of Resonant DC/DC Converters - A secondary-side rectification and regulation circuit includes a secondary-side transformer winding, a full-wave rectifier circuit and a control unit. The full-wave rectifier has a first pair of controllable rectifiers including a first transistor connected to a first terminal of the secondary-side transformer winding and a second transistor connected to a second terminal of the secondary-side transformer winding. The control unit is operable to control switching of the transistors of the full-wave rectifier so that the full-wave rectifier (a) generates a rectified output for supplying a load by rectifying current through the secondary-side transformer winding or voltage across the secondary-side transformer winding and (b) regulates the rectified output. | 2016-05-05 |
| 20160126845 | SYNCHRONOUS RECTIFIER DRIVE AND SOFT SWITCHING CIRCUIT - A circuit includes a synchronous rectifier that receives an alternating current (AC) voltage from a transformer secondary and provides a rectified direct current (DC) output voltage in response to a control input signal. A secondary rectifier switching circuit generates the control input signal. A current replica circuit generates a control voltage that replicates a current in the transformer secondary. The control voltage is employed to control switching of the secondary rectifier switching circuit based on the current in the transformer secondary. An offset circuit forces the control voltage in a predetermined direction to mitigate voltage error accumulations in the current replica circuit. A clamp circuit limits the control voltage to a predetermined voltage value. | 2016-05-05 |
| 20160126846 | CONTROL DEVICE FOR A QUASI-RESONANT SWITCHING CONVERTER, AND CORRESPONDING CONTROL METHOD - A control device for a switching converter having a transformer, with a primary winding receiving an input quantity, a secondary winding providing an output quantity, an auxiliary winding providing a feedback quantity, and a switch element. The control device has a processing module for generating a control signal for switching the switch element on the basis of the feedback quantity in order to regulate the output quantity via alternation of phases of storage and transfer of energy. The processing module controls the end of the transfer phase by comparing the feedback quantity with a comparison threshold. A discrimination circuit generates a signal for discrimination between the presence of a short circuit on the output or the fact that the input quantity is lower than a threshold. The processing module controls the end of the energy-transfer phase also on the basis of the discrimination signal. | 2016-05-05 |
| 20160126847 | CURRENT SENSORLESS MPPT FOR PV MICRO-INVERTERS - Systems, methods, and devices for use with photovoltaic micro-inverters. A control system for controlling power switches in a full bridge inverter in a DC/DC converter uses an estimate of the output current of a photovoltaic (PV) panel. The estimate is provided by a current estimator that takes as input the output voltage of the PV panel as well as the bus voltage of the DC/DC converter. Also used as input to the current estimator are two of the control signals for specific power switches in the full bridge inverter in the DC/DC converter. | 2016-05-05 |
| 20160126848 | SWITCHING CONVERTER - When a current detection voltage V | 2016-05-05 |
| 20160126849 | POWER CONVERTER - A power converter includes a circuit board having an elongated anode receiving an input voltage and an input current and an elongated cathode providing an output voltage and an output current, and a plurality of diodes electrically arranged in parallel between the anode and cathode. The parallel diodes convert the input voltage to an output voltage, convert the input current to an output current. | 2016-05-05 |
| 20160126850 | INTEGRATED PRIMARY STARTUP BIAS AND MOSFET DRIVER - Some implementations are directed to a A DC-to-DC converter that includes a power transformer having a primary side and a secondary side and a plurality of power transistors coupled to the primary side of the transformer. The converter also includes a secondary bias supply coupled to the secondary side of the transformer and a secondary side controller coupled to the secondary side of the transformer and configured to generate a feedback control signal based on a voltage level associated with the secondary side of the transformer. The secondary side controller receives operating power only from the secondary bias supply. | 2016-05-05 |
| 20160126851 | ELECTRICAL CIRCUIT FOR DELIVERING POWER TO CONSUMER ELECTRONIC DEVICES - An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes a voltage reduction circuit cell that includes a first capacitor, a second capacitor, a switching circuit, and a hold capacitor. The switching circuit includes a plurality of switching devices that are coupled to the first and the second capacitors for delivering power from an input terminal to an output terminal. The plurality of switching devices includes at least two switching devices that are coupled to ground. The voltage reduction circuit cell also includes a controller for operating the switching circuit in a plurality of operational modes to deliver an output power signal at a desired voltage level. | 2016-05-05 |
| 20160126852 | ELECTRICAL CIRCUIT FOR DELIVERING POWER TO CONSUMER ELECTRONIC DEVICES - An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a forward converter coupled to the input and output terminals. The forward converter includes a transformer, and a primary side regulation circuit coupled to a primary side of the transformer. The primary side regulation circuit includes a switching device coupled to the primary side, a current sense circuit configured to sense a current level on the primary side, and a controller configured to generate a pulse-width modulated control signal delivered to the switching device as a function of the sensed current level to regulate the transformer to deliver the output power signal at a desired voltage level. | 2016-05-05 |
| 20160126853 | Partial Time Active Clamp Flyback - A method is shown to improve the resonant transition controlled flyback converter presented in Ser. No. 14/274,598 (Exhibit A) by adding a clamp circuit that recycles the leakage energy. By utilizing the particular advantages of the resonant transition controlled flyback converter an optimized clamp capacitor can be used to increase the efficiency of the converter further. | 2016-05-05 |
| 20160126854 | POWER CONVERSION APPARATUS, AND AIR-CONDITIONING APPARATUS USING THE SAME - A power conversion apparatus includes a rectifier, a converter including a reactor, a switching element, and a reverse current prevention element, a smoothing capacitor configured to smooth the output voltage, a current detector configured to detect a reactor current, a voltage detector configured to detect the output voltage, and a converter control unit configured to control operation of the switching element of the converter. The converter-control unit includes a switching command calculation unit configured to calculate a switching command value responsive to a ratio of the rectified voltage to the output voltage in accordance with the output voltage and the reactor current, a switching control unit configured to control operation of the switching element in accordance with the switching command value, and a supply abnormality determination unit configured to determine occurrence of a momentary power failure or voltage sag in accordance with the switching command value. | 2016-05-05 |
| 20160126855 | SYSTEMS AND METHODS OF MONITORING A POWER SYSTEM POWER CONVERTER - Systems and methods of monitoring a power system power converter are provided herein. The system includes a plurality of parallel-coupled power converters comprising a power converter input and a power converter output, the power converter output configured to be coupled to a load, each power converter of the plurality of parallel-coupled power converters comprising a power converter controller. The power converter controller is configured to compare an output current of a corresponding power converter to a predetermined output current threshold, monitor the output current for a predetermined time duration when the output current is below the predetermined output current threshold, and shut down the corresponding power converter when the output current is below the predetermined output current threshold for the predetermined time duration. | 2016-05-05 |
| 20160126856 | ADJUSTING POWER CONSUMPTION OF A LOAD - An electronic device receives a voltage from an AC-DC adapter that is separate from the electronic device. The electronic device detects a change in the voltage from the AC-DC adapter. In response to detecting the change, the electronic device determines an amount of current from the AC-DC adapter. The electronic device adjusts a power consumption of a load in the electronic device based on the determined current. | 2016-05-05 |
| 20160126857 | AUTOTRANSFORMER WITH WIDE RANGE OF, INTEGER TURNS, PHASE SHIFT, AND VOLTAGE - A new wye-type autotransformer topology provides readily designed phase shift and voltage ratios, including an exact 30° phase shift. It requires only three windings per phase and can be implemented with a wide range of integer turns, such that both high and low power ratings are feasible. An appropriate magnetic structure is used to provide high zero sequence impedance, thereby obviating the need for zero-sequence blocking transformers. | 2016-05-05 |
| 20160126858 | INPUT FILTER PRE-CHARGE FED BY A MEDIUM-VOLTAGE GRID SUPPLY - A device includes a transformer configured to supply a pre-charge voltage to a capacitor and a converter configured for coupling to the transformer and responsive to an increasing modulation index. The modulation index increases for a time quanta after the capacitor becomes substantially fully charged and the pre-charge voltage is substantially constant during the time quanta. | 2016-05-05 |
| 20160126859 | SYSTEMS AND METHODS FOR CONTROLLING INRUSH ELECTRICAL CURRENTS USING A VIRTUAL MILLER CAPACITOR AND A METAL-OXIDE-SEMICONDUCTOR FIELD-EFFECT TRANSISTOR (MOSFET) - Systems and methods for controlling inrush electrical currents (e.g., resulting from power-on event, etc.) using a virtual Miller capacitor and a metal-oxide-semiconductor field-effect transistor (MOSFET). In an illustrative, non-limiting embodiment, a method may include receiving alternating current (AC) power and providing the AC power to an electronic circuit, at least in part, via a bulk capacitor coupled to a field-effect transistor (FET), wherein the FET is coupled to a virtual Miller capacitor circuit configured to limit an amount of AC inrush current provided to the bulk capacitor. | 2016-05-05 |
| 20160126860 | IMPROVEMENTS RELATING TO POWER ADAPTORS - A power adaptor is disclosed, which comprises an input for connection to an AC power supply, a resonant circuit coupled to the input that provides an output suitable for driving a load, at least one half-bridge drive circuit for providing a drive signal to the resonant circuit, and a switch controller for the half-bridge drive circuit. The switch controller is adapted to provide one or more of the following, in at least one mode: (i) to provide the high-side switch and the low-side switch with on-times of different durations, (ii) to provide the high-side switch and the low-side switch with on-times that overlap, and (iii) to provide the high-side switch and the low-side switch with on-times that are synchronous. This may be utilised to control the current delivered to the output without any need to change the frequency at which the resonant circuit is driven. | 2016-05-05 |
| 20160126861 | ADJUSTABLE PWM METHOD TO INCREASE LOW SPEED STARTING TORQUE AND INVERTER VOLTAGE MEASUREMENT ACCURACY - Methods, control apparatus and computer readable mediums are presented for controlling a switching inverter in which a controller selectively suspends PWM carrier signals to provide inverter switching control signals using zero vectors in response to a maximal pulse width value for a present PWM half cycle being greater than a threshold value, and accumulates a present output control value for individual output phases for use in a subsequent PWM half cycle for selective effective reduction in switching frequency for low-speed operation while maintaining high frequency control loop sampling. | 2016-05-05 |
| 20160126862 | METHOD AND SYSTEM FOR OPERATING A MULTILEVEL INVERTER - A controller for operating a multilevel electric power inverter circuit. The controller is configured to generate and apply to the plurality of switching elements switch signal waveforms, the switch signal waveforms comprising a first control signal for causing an energy storage device to be series connected with a direct current source and a load or an alternating current source and charged to a predetermined value proportional to a voltage of the direct current source, and a second control signal for causing the energy storage device to be disconnected from the direct current source and series connected with the load or the alternating current source, thereby causing the energy storage device to be discharged. | 2016-05-05 |
| 20160126863 | INVERTER DEVICE - An inverter device includes: a step-up circuit; an inverter circuit; a control unit for controlling the step-up circuit and the inverter circuit; and a reactor provided on an electric path for outputting the converted AC power to an AC system. An output current target value is calculated based on an input power value of DC power and a voltage value of the AC system, and a current target value and a voltage target value for the inverter circuit are calculated based on the output current target value, to control the inverter circuit. A current target value for the step-up circuit is calculated based on a current target value and a voltage target value that are common with the inverter circuit, and on a DC input voltage value, to control the step-up circuit. Thereby, output of the AC power is controlled. | 2016-05-05 |
| 20160126864 | VIBRATION DRIVE DEVICE IN WHICH SEPARATION BETWEEN MEMBERS BY EXTERNAL FORCE IS SUPPRESSED, LENS BARREL, IMAGE PICKUP APPARATUS, AND STAGE DEVICE - A vibration drive device which suppresses separation between members thereof when an external force is applied thereto. The vibration drive device excites vibration in a vibrating body to move the vibrating body and a driven body relative to each other. The vibrating body has a piezoelectric element joined to a first surface of an elastic body. Protrusions for pressure contact with the driven body are formed on a second surface of the elastic body. The elastic body is supported by support plates, and the support plates are held on a base. An equalizing stage is disposed on a side facing the first surface of the elastic body. A vibration damping member disposed between the vibrating body and the equalizing stage suppresses transmission of vibration from the vibrating body to the equalizing stage. | 2016-05-05 |
| 20160126865 | System and Method for Electric Power Generation Using Structured Piezoelectric Arrays - A piezoelectric power generation system includes a housing, the housing defining an opening therethrough. The piezoelectric power generation system further includes a support structure disposed within the housing, and one or more piezoelectric elements disposed on a surface of the support structure within the housing. Movement or vibration in the support structure is translated to the one or more piezoelectric elements, which actuates the one or more piezoelectric elements. The one or more piezoelectric elements generate power when actuated. The piezoelectric power generation system further includes one or more exciters coupled to the support structure. The exciters move or vibrate when acted on by a flow of fluid, wherein the motion of vibration of the one or more exciters is translated to the support structure and ultimately to the one or more piezoelectric elements. | 2016-05-05 |
| 20160126866 | System and Method for Electric Power Generation Using Structured Stacked Piezoelectric Arrays - A piezoelectric power generation system includes a housing defining an opening therethrough and a support structure disposed within the housing, the support structure comprising a plurality of portions. The piezoelectric power generation system also includes one or more piezoelectric elements disposed between two of the plurality of portions of the support structure within the housing. Movement or vibration in the support structure compresses the one or more piezoelectric elements, wherein the one or more piezoelectric elements generate electric energy when compressed. The piezoelectric power generation system further includes one or more exciters coupled to the support structure, wherein the exciters move or vibrate when acted on by a flow of fluid, wherein the motion of vibration of the one or more exciters is translated to the support structure and ultimately to the one or more piezoelectric elements. | 2016-05-05 |
| 20160126867 | System and Method for Electric Power Generation Using Piezoelectric Modules - A piezoelectric power generation system includes a housing and one or more piezoelectric modules disposed within the housing. Each of the one or more piezoelectric modules include a support structure, one or more piezoelectric components, and one or more exciters. The one or more piezoelectric components are disposed on or within the support structure, wherein at least a portion of vibrational motion in the support structure is transferred to the one or more piezoelectric components. The one or more exciters are coupled to the support structure and extend outside of the housing. When the exciters are actuated, they transfer vibrational motion to the one or more piezoelectric components through the support structure. | 2016-05-05 |
| 20160126868 | Systems And Methods For Harvesting Piezoelectric Energy From Hydraulic Pressure Fluctuations - Aspects of the present disclosure relate to systems and methods for harvesting energy from the pressure ripple of a fluid system. In an example embodiment, a system comprises a housing; a piezoelectric stack in fluid communication with a pressure ripple of a fluid system and configured to generate a piezoelectric voltage and an associated piezoelectric current in response to pressure ripple characteristics, wherein the piezoelectric stack is disposed within the housing; and regulatory circuitry in electrical communication with the piezoelectric stack and configured to convert the piezoelectric current into DC voltage. | 2016-05-05 |
| 20160126869 | REGENERATIVE RECTIFIER FOR A MOTOR CONTROL DRIVE - A system, and associated method, fbr controlling a motor drive coupled to an AC power source in a condition wherein the motor drive is generating a regenerative current. The system includes a plurality of electronic switching devices structured to be provided in anti-parallel connection with a plurality of rectifier diodes of the motor drive, and a controller structured and configured to receive a number of phase voltages from the AC power source, determine a grid angle for the AC power source using the number of phase voltages, and generate a number of control signals for controlling the electronic switching devices using the grid angle when the motor drive is generating the regenerative current. | 2016-05-05 |
| 20160126870 | MOTOR DRIVE CONTROLLER AND CONTROL METHOD OF MOTOR DRIVE CONTROLLER - A motor drive controller includes: a control circuit unit configured to output a drive control signal for driving a motor in response to a command signal externally input to the control circuit unit; and a motor driving unit configured to output a drive signal to the motor based on the drive control signal output from the control circuit unit. The control circuit unit is provided with: a speed setting unit configured to generate a target rotation speed signal corresponding to a target rotation speed based on a command step determined in response to a step command signal and predetermined setting information when the step command signal is input as the command signal; and a drive control signal generating unit configured to generate and output the drive control signal based on the target rotation speed signal. | 2016-05-05 |
| 20160126871 | MOTOR CONTROL DEVICE FOR CONTROLLING CURRENT PHASE ON dq/THREE-PHASE COORDINATES - A motor control device for controlling a three-phase AC motor by using dq-three-phase coordinate conversion includes a phase correction amount calculation unit for calculating a phase correction amount by using a detected motor speed and a q-axis current command initial value, a rotor phase angle correction unit for adding or subtracting the phase correction amount to or from a detected rotor phase angle of the motor to calculate a corrected rotor phase angle, and a coordinate conversion unit for performing coordinate conversion between parameters on a dq coordinate system and parameters on a three-phase coordinate system on the basis of the corrected rotor phase angle. | 2016-05-05 |
| 20160126872 | PHASE CONTROL CIRCUIT FOR BRUSHLESS MOTOR, BRUSHLESS MOTOR AND METHOD FOR CONTROLLING THE PHASE OF BRUSHLESS MOTOR - A phase control circuit for a brushless motor includes a signal output unit that outputs M signals, whose phases differ from each other, in response to a change in the magnetic field resulting from the rotation of magnets placed in a rotor, and a control signal generator that generates two or more different kinds of group of phase control signals, based on at least the M signals, the group of phase control signals being used to control drive voltages, whose phases differ from each other, which are supplied to each phase of an N-phase coil (N being an integer greater than or equal to two). The control signal generator is configured such that a first phase control signal group and a second phase control signal group can be generated. | 2016-05-05 |
| 20160126873 | SENSORLESS ROTOR ANGLE DETECTION CIRCUIT AND METHOD FOR A PERMANENT MAGNET SYNCHRONOUS MACHINE - An estimate of the initial position of a rotor is made by monitoring sensed motor current signals which are amplitude and phase modulated with the rotor flux position in response to a high frequency voltage signal injection. The motor current signals are envelope detected to determine zero crossing points. Samples are taken of the motor current signals at positive and negative offsets from the zero crossing point, with the samples processed to identify a direction of the rotor flux axis. Further samples of at least one motor current signal are taken with respect to a certain phase reference, and the samples compared to resolve a polarity of the rotor flux axis which is indicative of the angular position of the rotor. | 2016-05-05 |
| 20160126874 | METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE - A method of operating an internal combustion engine, wherein a fuel-air mixture is burnt in the internal combustion engine and the internal combustion engine drives a generator, wherein the generator is connected to a power supply network and delivers power to the power supply network and wherein upon or after detection of a dynamic network fault by which the power delivery of the generator into the power supply network is reduced acceleration of the internal combustion engine is prevented or limited, wherein upon or after the detection of the network fault in the power supply network the fuel feed to the internal combustion engine is increased. | 2016-05-05 |
| 20160126875 | METHODS AND APPARATUS FOR ROTOR POSITION ESTIMATION - An apparatus and method for estimating the position of a rotor. An apparatus comprises a first rotor having an angular position, a second rotor which interacts with the first rotor in a magnetically geared manner, a sensor for measuring a kinematic property of the second rotor and means for estimating the angular position of the first rotor using a model-based observer, wherein the estimation is based on at least the kinematic property of the second rotor. A method of estimating the angular position of a first rotor comprises measuring a kinematic property of a second rotor, wherein the second rotor interacts with the first rotor in a magnetically geared manner; and estimating the angular position of the first rotor using a model-based observer based on at least the kinematic property of the second rotor. | 2016-05-05 |
| 20160126876 | DIVIDED PHASE AC SYNCHRONOUS MOTOR CONTROLLER - A circuit includes phase windings, a power switch circuit comprising at least one power switch at a midpoint of the phase windings, a direct current (DC) supply circuit at the midpoint of the phase windings, and one or more non-collapsing DC power supply components to prevent the DC power supply from collapsing when the at least one power switch is on and conducting during one or more portions of a cycle. The one or more non-collapsing DC power supply components each may include one or more of a tap from one of the phase windings electrically connected to the DC power supply, a secondary phase coil winding connected to the DC power supply to power the power supply, one or more resistors between the one of the phase windings and the power switch circuit, one or more Zener diodes between one of the phase windings and the power switch circuit, and/or an electrical component to create a voltage drop between one of the phase windings and the power switch circuit to prevent the power supply from collapsing when the at least one power switch in the power switch circuit is on and conducting. | 2016-05-05 |
| 20160126877 | MOTOR CONTROL APPARATUS - A motor control apparatus that estimates a temperature of a temperature estimation target element at a time of energizing the motor and drives a motor by controlling an electric power is provided. The motor control apparatus includes a primary delay arithmetic unit that outputs a primary delay response as an amount of temperature change, a sensor value adder that adds a sensor value of a temperature sensor to the amount of temperature change, an offset adder that adds an offset temperature to an output of the sensor value adder, a response constant determination portion that determines the gain and the time constant, and an offset temperature determination portion. At least one of the response constant and the offset temperature is changed according to a supply voltage or an input voltage. | 2016-05-05 |
| 20160126878 | ELECTRICAL DRIVE SYSTEM AND ENERGY STORAGE APPARATUS THEREFOR - A drive system may have at least one electric motor which can be fed via power electronics which can be connected via a DC circuit to a voltage source and having an energy storage apparatus for buffering energy fed back from the electric motor. An energy storage apparatus for such a drive system may include at least one electrical storage block, a bidirectional DC/DC converter for connecting the named DC voltage circuit to the internal voltage circuit of the storage block and a control unit for controlling the DC/DC converter. The control unit may include output and feed control means for controlling the DC/DC converter The DC/DC converter, the storage block and the control unit may be combined into an energy storage unit having a common housing in which the named components are received and at whose outer side two connections are provided for connecting to the DC voltage circuit. | 2016-05-05 |
| 20160126879 | DUAL POWER MODE DRIVE - A method of controlling a motor drive having a normal mode wherein a DC link voltage is charged using an AC (e.g. mains) power supply and an emergency mode wherein the DC link voltage is charged using a DC supply (e.g. from a battery) is described. In the normal mode of operation, if the DC link voltage falls below a threshold indicative of the AC power supply being lost, the emergency mode is entered, typically following an intervening coast mode (during which the motor is not driven). Similarly, in the emergency mode, if the DC link voltage rises above a threshold indicative of the AC power supply being restored, the normal mode is entered, typically following an intervening coast mode. | 2016-05-05 |
| 20160126880 | APPARATUS FOR CONTROLLING INVERTER - Disclosed herein is an apparatus for controlling an inverter. The apparatus determines the phase of an command voltage in a restart section taking into account the frequency of an input voltage to an electric motor when an input power is reduced below a rated power, the frequency of the input voltage into the electric motor at the time of restarting, a time period for generating a torque, and the phase of the input voltage to the electric motor at the time of the restarting. | 2016-05-05 |
| 20160126881 | APPARATUS FOR CONTROLLING INVERTER - Disclosed herein is an apparatus for controlling an inverter in an inverter system. The apparatus includes: a first determining unit to determine a magnitude, a phase and a frequency of an input voltage to an electric motor in the inverter system; and a second determining unit to determine a restart command voltage for generating an inverter driving voltage larger than a residual voltage in the electric motor using the magnitude of the input voltage determined by the first determining unit, when the inverter system is restarted. | 2016-05-05 |
| 20160126882 | DRIVE DEVICE - A drive device that includes a current sensor that detects a current flowing in the wheel driving rotary electric machine; and shunt resistors that detect currents flowing in the respective second switching element units for the corresponding phases between the direct-current power supply and the second switching element units for the respective phases, wherein a ratio of a period during which current detection can be performed by the current sensor to a control period of the first inverter is higher than a ratio of a period during which current detection can be performed by the shunt resistors to a control period of the second inverter. | 2016-05-05 |
| 20160126883 | FAILURE DIAGNOSTIC APPARATUS AND METHOD FOR CURRENT SENSORS OF 3-PHASE BRUSHLESS AC MOTOR - A failure diagnostic apparatus for current sensors of a 3-phase brushless AC (BLAC) motor may include: a 3-phase BLAC motor; current sensors each configured to measure a phase current of the 3-phase BLAC motor; a motor driving unit configured to drive the 3-phase BLAC motor; and a control unit configured to drive the 3-phase BLAC motor through the motor driving unit, periodically calculate a phase current error using the phase current fed back through each of the current sensors, and diagnose that a failure occurred in the current sensor of the corresponding phase, when an error count accumulated during a preset time reaches a preset value, based on the phase current error. | 2016-05-05 |
| 20160126884 | HEIGHT ADJUSTMENT BRACKET FOR ROOF APPLICATIONS - A roof mount for mounting at least one solar panel to a roof surface including a base. The roof mount includes a clamp connected to the base and a first recess sized to support a first solar panel. The first recess has a first height extending between a first top flange and a first bottom flange. The clamp also includes a second recess sized to support one of a second solar panel and a skirt flange. The second recess has a second height extending between a second top flange and a second bottom flange. The roof mount further includes a fastener connected to the clamp. The second fastener is operable to adjust the first and second heights, such that upon tightening of the second fastener, the first height increases and the second height decreases, and upon loosening of the second fastener, the first height decreases and the second height increases. | 2016-05-05 |
| 20160126885 | Photovoltaic Roofing Elements And Photovoltaic Roofing Systems - The present invention relates generally to the photovoltaic generation of electrical energy. The present invention relates more particularly to photovoltaic arrays for use in photovoltaically generating electrical energy. Aspects of the present invention provide a variety of photovoltaic roofing elements and systems that include, for example, interlocking geometries to provide for water handling and integration with conventional roofing materials; and wire management features that can protect wiring and associated electrical components from physical and/or environmental damage. | 2016-05-05 |
| 20160126886 | ELECTRIC INTERCONNECTION SYSTEM FOR SOLAR CELL OF VEHICLE ROOF - An electric interconnection system in a vehicle includes a fixed part of the vehicle and a movable part of the vehicle. The movable part has a solar cell module mounted thereon and includes at least one component that maintains contact with the fixed part when the moving part moves. One or more first electric wires extend from the solar cell module of the movable part. Each of the one or more first electric wires has an end that is fixed to one of the at least one component of the movable part. One or more second electric wires are installed on the fixed part. The one or more second electric wires maintain contact with the ends of the first electric wires when the movable part moves. | 2016-05-05 |
| 20160126887 | CROSS-COUPLED OSCILLATOR, INTEGRATED CIRCUIT AND ELECTRONIC DEVICE - A cross-coupled oscillator arrangement has a first resistance-capacitance oscillator core including at least two inverting stages; and a second resistance-capacitance oscillator core substantially identical to the first resistance-capacitance oscillator core. The first oscillator core and second oscillator core are cross coupled in anti-phase using coupling capacitors. The first oscillator core and second oscillator core are also connected in series such that the first oscillator core is supplied with a supply between a first potential and a second potential and the second oscillator core is supplied with a supply between the second potential and a third potential. | 2016-05-05 |
| 20160126888 | SEMICONDUCTOR DEVICE - An object of the present invention is to provide a semiconductor device including an oscillator circuit including a circuit between inverters. In the circuit, a sum of the length (a | 2016-05-05 |
| 20160126889 | VOLTAGE-CONTROLLED OSCILLATOR WITH MASK-SELECTABLE PERFORMANCE - An apparatus having a substrate with an inductor, a first die and a second die is disclosed. The first die may be (i) mounted on the substrate, (ii) configured to vary a frequency of a signal in the inductor, and (iii) fabricated with multiple first masks. The second die may be (i) mounted on the substrate, (ii) configured to excite the signal, and (iii) fabricated with multiple second masks. A particular one of the first masks generally has several designs that customize the first die to several configurations respectively. A particular one of the second masks may have several designs that customize the second die to several configurations respectively. The first die, the second die and the inductor may form a voltage-controlled oscillator. A selected first design and a selected second design generally establish multiple performances of the voltage-controlled oscillator. | 2016-05-05 |
| 20160126890 | Time Domain Switched Ring/Disc Resonant Gyroscope - A system includes a circular oscillator suspended by a flexible support structure to a support frame, a drive mechanism configured to induce the circular oscillator into a two-dimensional drive oscillation, where the drive oscillation is modified responsive to a sense oscillation of the circular oscillator caused by an angular rotation of the support frame and the circular oscillator, and a plurality of digital proximity switches disposed around a perimeter of the circular oscillator. During the modified drive oscillation a plurality of the digital proximity switches are configured to switch between an open state and a closed state and generate a time and position output to allow for a determination of each of a plurality of variable oscillation parameters for each oscillation of the modified drive oscillation. | 2016-05-05 |
| 20160126891 | Ka Band Multi-Chip Modulator - A multi-chip module is provided including a multiplier configured to multiply a frequency of an input signal into a predetermined Ka-band frequency center channel, a modulator configured to modulate the center channel, and an amplifier configured to amplify a modulated signal for output. | 2016-05-05 |
| 20160126892 | MODULATION CIRCUIT AND OPERATING METHOD THEREOF - A modulation circuit includes a phase locked loop (PLL) circuit, a scalar circuit and a sigma-delta modulator. The PLL circuit is for generating an output oscillating signal in response to a reference signal, a first control signal and a second control signal. The scalar circuit is for generating the first control signal in response to modulating data to control frequency deviation of the output oscillating signal, wherein the first control signal is in a digital form. The sigma-delta modulator is for generating the second control signal according to the modulating data to modulate a divider value of a frequency divider of the PLL circuit. | 2016-05-05 |
| 20160126893 | QUADRATURE MIXER ARRANGEMENT - A quadrature mixer arrangement is disclosed, which is adapted to translate an input signal by a translation frequency. The mixer arrangement is operated at a clock rate that equals the translation frequency times an oversampling rate, wherein the oversampling rate is not a multiple of four. The mixer arrangement comprises a sequence generator, at least one pair of mixers, and one or more correction networks. The sequence generator generates an in-phase mixer translation sequence and a quadrature-phase mixer translation sequence based on the oversampling rate. The in-phase mixer translation sequence is a time-discrete representation of a translation frequency sinusoidal function sampled at the clock rate, and the quadrature-phase mixer translation sequence is a time-discrete representation of the translation frequency sinusoidal function phase-shifted by π/2 plus a phase deviation and sampled at the clock rate, wherein the phase deviation is a function of the oversampling rate. Each pair of mixers comprises an in-phase mixer and a quadrature-phase mixer, each adapted to translate a respective input signal based on the respective translation frequency. The one or more correction networks are adapted to, based on the oversampling rate and the phase deviation, compensate for the phase deviation by adjusting at least one of the in-phase mixer input signal, the quadrature-phase mixer input signal, the in-phase mixer output signal, and the quadrature-phase mixer output signal. | 2016-05-05 |
| 20160126894 | PHASE SHIFTING MIXER - Performing quadrature combining and adjusting including: a plurality of mixing circuits configured to generate a plurality of frequency converted signals; at least one mixing circuit of the plurality of mixing circuits is configured with a plurality of paths, each path representing one linearity mode; and a plurality of combining circuits configured to combine the plurality of frequency converted signals to generate a differential baseband output signal. | 2016-05-05 |
| 20160126895 | SWITCHED MODE POWER AMPLIFIER WITH IDEAL IQ COMBINING - An I converter outputs I sign data and I magnitude data based on received I data. A Q converter outputs Q sign data and Q magnitude data based on received Q data. An I clock generates an I phase based ort the I sign data. A Q clock generates a Q phase based on the Q sign data. An I modulator generates an I magnitude pulse stream based on the I magnitude data. A Q modulator generates a Q magnitude pulse stream based on the Q magnitude data. A digital logic component generates an output signal based on the I phase, the I magnitude pulse stream, the Q phase and the Q magnitude pulse stream. A power amplifier generates an amplified signal based on the output signal. | 2016-05-05 |
| 20160126896 | TRANSFORMER FEEDBACK AMPLIFIER - An apparatus includes: first and second transistors, each of the first and second transistors includes a gate terminal, a source terminal, and a drain terminal; and a transformer including a primary winding and first and second secondary windings, the primary winding is coupled to a first input node configured to receive an input signal and a second input node configured to receive a potential, the first and second secondary windings are coupled to gate terminals of the first and second transistors and cross-coupled to source terminals of the first and second transistors. | 2016-05-05 |
| 20160126897 | SEMICONDUCTOR AMPLIFIER BIAS CIRCUIT AND SEMICONDUCTOR AMPLIFIER DEVICE - A semiconductor amplifier bias circuit includes a first transmission line, a first grounded capacitor, a second transmission line and a power supply terminal. The first transmission line is connected to an output end part of the output matching circuit and the external load. The second transmission line includes one end part connected to the first transmission line and the other end part connected to the first grounded shunt capacitor. An electrical length of the second transmission line is approximately 90° at a center frequency of a band. The one end part is connected to the first transmission line at a position apart from the output end part by an electrical length of approximately 45° at the center frequency. The power supply terminal is connected to a connection point of the first grounded shunt capacitor and the other end part of the second transmission line. | 2016-05-05 |
| 20160126898 | APPARATUS AND METHODS FOR REDUCING INPUT BIAS CURRENT OF AN ELECTRONIC CIRCUIT - Apparatus and methods for reducing input bias current of electronic circuits are provided herein. In certain implementations, an electronic circuit includes a first input terminal, a second input terminal, an input circuit, and a plurality of input switches including at least a first input switch and a second input switch. The first input switch is electrically connected between the first input terminal and a first input of the input circuit, the second input switch is electrically connected between the second input terminal and a second input of the input circuit, and the first and second input switches can be opened and closed using a clock signal. The electronic circuit further includes a charge compensation circuit for compensating for charge injection through the first and second input switches during transitions of the clock signal. | 2016-05-05 |
| 20160126899 | GROUP-AWARE CURRENT-LIMITED AMPLIFIER AND SYSTEM - A group-aware, current limited amplifier system including a group brownout control bus and a number of current-limited amplification channels coupled to the group brownout control bus. In an example embodiment, each current-limited amplification channel includes an amplifier, an amplifier power supply developing a current level signal that represents the amount of current being drawn by the amplifier, a brownout controller responsive to a digital audio input, the group brownout control bus, and the current level signal, and operative to develop a control signal; and an audio digital-to-analog (D/A) converter responsive to the digital audio input and to the control signal and operative to develop an analog audio output that is coupled to an input of the amplifier. | 2016-05-05 |
| 20160126900 | TRANSFER FUNCTION REGULATION - The invention relates to a technique for controlling in an envelope tracking amplification stage, comprising: determining a representation of the output signal of the amplifier; determining a representation of the input signal of the amplifier; adjusting the determined representation of the input signal according to a target characteristic of the amplifier; comparing the adjusted input and determined representation of the output; and generating a control signal in dependence on the comparison. | 2016-05-05 |
| 20160126901 | Amplifier Topology for Envelope Tracking - An amplifier ( | 2016-05-05 |
| 20160126902 | AMPLIFIER CIRCUIT AND METHOD - An amplifier circuit comprises a first amplifier configured to amplify a first input signal. The output of the first amplifier is coupled to an output node via a first transmission line, the first transmission line comprising a first portion having a first characteristic impedance and a first length, and a second portion having a second characteristic impedance and a second length. A second amplifier is configured to amplify a second input signal. The output of the second amplifier is coupled to the output node via a second transmission line, the second transmission line comprising a first portion having a first characteristic impedance and a first length, and a second portion having a second characteristic impedance and a second length. An auxiliary amplifier is configured to amplify a third input signal. The output of the auxiliary amplifier is coupled via an auxiliary transmission line network to a first intersection between the first and second portions of the first transmission line, and to a second intersection between the first and second portions of the second transmission line. | 2016-05-05 |
