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Patent # Description
US-9,431,925 Half bridge circuit, full bridge circuit constructed with half bridge circuit, and three-phase inverter circuit...
In a half bridge circuit according to one aspect of the present disclosure, when a voltage between a first terminal and a third terminal or a voltage between...
US-9,431,924 Power source inverter for use with a photovoltaic solar panel
An improved topology is presented for a single phase power source inverter that is designed to minimize double frequency ripple. The inverter circuit includes:...
US-9,431,923 Power converter
An operation area of a motor is increased without increasing the capacity of a switching element. A current limiter which limits a current flowing in switching...
US-9,431,922 ARC fault protection for power conversion
An apparatus and system for arc fault protection during power conversion. In one embodiment, the apparatus comprises a power converter comprising a first and a...
US-9,431,921 Controlling capacitive snubber as function of current in inverter
One or more systems and/or techniques are provided for electrically coupling and/or decoupling a capacitive snubber component to/from an inverter as a function...
US-9,431,920 Non-isolated DC/DC converter with 2 inductors and zero voltage switching
Zero-voltage switching of a switching element (Q2) is achieved by turning off a switching element (Q1) and then turning on switching element (Q2) while the...
US-9,431,919 Biomedical implant with a monolithic timing control based rectifier for multivoltage for biomedical applications
A biomedical implant is provided for simultaneously generating multiple voltages for digital and analog circuits. Two AC voltages induced from an external...
US-9,431,918 Grounding scheme for modular embedded multilevel converter
A power converter includes at least one leg with a first string including a plurality of controllable semiconductor switches, a first connecting node, and a...
US-9,431,917 Switching power supply including a rectifier circuit having switching elements, and electric power converter
An electric power converter includes a bridge circuit, a transformer, a rectifier circuit, and a smoothing circuit. The rectifier circuit includes a first...
US-9,431,916 Power supply bus circuit
A power supply bus circuit, includes a voltage regulator circuit, and an impedance isolation circuit, and further including one or more voltage adjustment...
US-9,431,915 Power conversion apparatus and refrigeration air-conditioning apparatus
Provided is a power converter for converting electric power between a power source and a load, including: a boosting device including a boost rectifier...
US-9,431,914 Electrical circuit for delivering power to consumer electronic devices
An electrical circuit for providing electrical power for use in powering electronic devices is described herein. The electrical circuit includes a primary power...
US-9,431,913 Voltage detecting circuit for switching converters and the method thereof
A voltage detecting circuit used with a switching converter. The switching converter having an energy storage component, a first power switch and a second...
US-9,431,912 Control device for rectifiers of switching converters
A control device controls a rectifier of a switching converter that is supplied with an input voltage and provides an output current. The rectifier is...
US-9,431,911 Switching mode power supply capable of providing a block time in response to an output current
A power controller provides a block time in response to an output current to an output load, and the block time determines a maximum switching frequency of a...
US-9,431,910 Energy recycling system and recycling method thereof
An energy recycling system and an energy recycling method are disclosed. The energy recycling system includes several working circuits and a first energy...
US-9,431,909 Synchronous rectifier controller for a switched mode power supply
Consistent with an example embodiment, a synchronous rectifier controller for a switched mode power supply comprises a transformer with a secondary side winding...
US-9,431,908 Zero current detector and DC-DC converter using same
A DC-DC converter includes a zero current detector. The DC-DC converter includes a high-side switch and a low-side switch. When the DC-DC converter works in a...
US-9,431,907 Switching regulator incorporating operation monitor
A switching regulator includes a first switching element and a second switching element in a pair to be switched over to convert an input voltage to a certain...
US-9,431,906 Voltage converter circuit and associated control method to improve transient performance
A converter circuit has an error amplifier to provide an error signal; a proportional amplifier to provide a gain signal according the error signal and an...
US-9,431,905 Multiphase buck converter and multiphase buck conversion method
A multiphase buck converter (10) is disclosed, comprising: --a first buck converter branch (SD1, L1) comprising a first core section (COR1), a first power...
US-9,431,904 DC/DC converter efficiency improvement for low current levels
The present document relates to efficient DC/DC converters with a modular structure for providing different levels of output currents. A controller for...
US-9,431,903 DC-DC converter and organic light emitting display including the same
A DC-DC converter includes a first power source generator, the first power source generator including an input port and a first output port, the first power...
US-9,431,902 Sensorless current sense for regulating inductor current in a buck converter
A device and method for sensing an inductor current in an inductor is provided that generates a voltage signal proportionate to the inductor current if the...
US-9,431,901 Charge pump stage and a charge pump
A charge pump cell, comprising: an input node; an output node; Q channels, where Q is an integer greater than one, and where at least two of the channels...
US-9,431,900 Dynamic operating frequency control of a buck power converter having a variable voltage output
A switch controller for a variable output voltage power converter includes a pulse width modulator (PWM) output producing a pulsed signal for driving a power...
US-9,431,899 Power supply device for supplying standby voltage by using main voltage
A power supply device may include: a standby power unit converting a direct current (DC) voltage to an operating voltage and a first standby voltage and...
US-9,431,898 Bidirectional DC-to-DC converter
A bidirectional DC-to-DC converter is configured to convert electrical energy from a first and second DC source. The bidirectional converter includes an output...
US-9,431,897 Electric device
Provided is an electric device, including: a secondary battery; and a power supply circuit for dropping an input voltage which is input from the secondary...
US-9,431,896 Apparatus and method for zero voltage switching in bridgeless totem pole power factor correction converter
Power factor correction (PFC) apparatus, controllers, and methods for operating bridgeless totem pole power factor correction converters in which AC input...
US-9,431,895 High power-factor control circuit and power supply
An SMPS received a rectified periodic input line voltage and is configure to provide a regulated output. A power switch has a constant turn-on time in a given...
US-9,431,894 Inductance variation based compensation in boost converter
Aspects of the present disclosure are directed to method, circuits, and apparatuses for power conversion. In an example embodiment, an apparatus includes a...
US-9,431,893 Stability control of a power factor correction circuit using adaptive mulitplier voltage feedback
A power factor correction (PFC) circuit includes an adaptive multiplier feedback control circuit to enhance stability of the PFC circuit for high input voltage...
US-9,431,892 High voltage start-up circuit with adjustable start-up time
A high voltage start-up circuit with adjustable start-up time, wherein, the drain electrode of the first NMOS transistor is connected with a first terminal of...
US-9,431,891 Systems and methods for two-level protection of power conversion systems
Systems and methods are provided for protecting a power conversion system. A system controller includes a two-level protection component and a driving...
US-9,431,890 Apparatuses and methods for converting single input voltage regulators to dual input voltage regulators
Apparatuses and methods for providing output power are disclosed. In an example method, a control signal is received at an output stage. The control signal may...
US-9,431,889 Active rectifier with delay locked loop to compensate for reverse current leakage and wireless power receiving...
An active rectifier and a wireless power receiver including the active rectifier are provided. According to an aspect, an active rectifier may include: a first...
US-9,431,888 Single-phase to three phase converter AC motor drive
Methods and systems for power conversion. An energy storage capacitor is contained within an H-bridge subcircuit which allows the capacitor to be connected to...
US-9,431,887 Lens positioning system
An actuator includes an inner element coupled to an outer element by a linear-motion bearing that provides a single degree of translational movement of the...
US-9,431,886 Method of manufacturing a magnet plate for a linear motor
A method for producing a magnet plate for a linear motor is provided. The magnet plate comprises a base plate and a plurality of magnets juxtaposed to one...
US-9,431,885 Voice coil motor
Disclosed is a voice coil motor, the motor including a mover having a bobbin equipped with a lens and a coil block secured to an outer circumference of the...
US-9,431,884 Dual rotor switched reluctance machine
A dual rotor switched reluctance machine with a fixed stator and separate input and output rotors on either side of the fixed stator is used to transmit power...
US-9,431,883 Method of manufacturing laminated core having permanent magnets sealed with resin
A method of manufacturing a laminated core, having a laminated core body 10a formed by laminating plural core sheets 11 and having magnet insertion holes 13, 14...
US-9,431,882 Method for producing a machine component for an electrical machine, machine component and electrical machine
The invention relates to a method for producing a machine component (1) for an electrical machine, wherein the machine component (1) is formed with a...
US-9,431,881 Electric machine housing
A housing for enclosing electronics of a motor having an axis of rotation is provided. The housing includes an end cap having an outer surface and an inner...
US-9,431,880 Device for monitoring the lifetime of the fan bearings
The present invention is a device for monitoring a lifetime of fan bearings, which is applied to a fan, comprising a base, at least one sensing unit, a...
US-9,431,879 Generator motor and electric vehicle using same
To uniformly cool down armature windings along the circumferential direction of a stator in a generator motor. A generator motor includes a stator 1 fixed to...
US-9,431,878 Electric machine with enclosed, autonomous cooling medium circuit
An electric machine has a base body with a stator, a rotor shaft mounted in the base body, and a heat exchanger. Cooling ducts for a liquid cooling medium are...
US-9,431,877 Concentric ring generators
A concentric generator usable with a gas turbine engine having a shaft. Disclosed embodiments include a generator with a rotor integral with the gas turbine...
US-9,431,876 Portable fluid driven generator for instrument use in hazardous environments
An apparatus for facilitating use of instruments in hazardous environments includes a fluid line and a fluid-driven generator. The fluid line includes: an inlet...
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