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Patent # Description
US-9,413,275 Motor control device
A motor control device includes: a current detection portion provided to an inverter and detecting a current flowing to a motor due to a voltage generated...
US-9,413,274 Wind energy installation
A method for directly converting wind energy into electrical energy is provided. An air stream is ionized and then routed through the electrical field of a...
US-9,413,273 Rotary actuator
The present invention is a rotary actuator having segments, which are spaced apart and are connected by means of at least one support structure, and at least...
US-9,413,272 Power generation device having a dielectric body and an electret
Provided is a power generation device having a dielectric body and an electret, where power is generated by varying the distance between the dielectric body and...
US-9,413,271 Power conversion system with a DC to DC boost converter
A voltage booster allowing for increased utilization of low voltage, high current, unregulated DC power ("LVDC source"), such as, but not limited to, fuel...
US-9,413,270 Single-phase three-wire power control system and power control method therefor
The present disclosure provides a single-phase three-wire power control system integrating the electricity of a DC power supply device to an AC power source....
US-9,413,269 Circuits and methods for photovoltaic inverters
Circuits and methods for photovoltaic inverters are provided. In some embodiments, a power inverter circuit is provided, the inverter comprising: an input...
US-9,413,268 Multilevel inverter device and method
An embodiment multilevel inverter comprises a first boost apparatus having an input coupled to a positive dc bus and a second boost apparatus having an input...
US-9,413,267 Method for feeding electrical power into a three-phase AC voltage system
The present invention relates to a method for feeding an unbalanced, three-phase current into a three-phase AC voltage system, comprising the steps of:...
US-9,413,266 Power supply with DC breaker switch and reduced regulated DC link voltage
Generally, this disclosure provides circuits and methods to reduce and regulate DC link voltage in a power supply through the use of a DC breaker circuit. The...
US-9,413,265 Driving device of synchronous rectification apparatus
A driving device of a synchronous rectification apparatus is provided. The driving device includes a voltage detection part disposed on a power input terminal...
US-9,413,264 Ground power unit for aircraft
Embodiments of a ground power unit are disclosed for providing power to a grounded vehicle, such as an aircraft. In accordance with certain embodiments, the...
US-9,413,263 Systems and methods for a transformerless power supply to limit heat generation at an output transistor via...
Systems and methods are provided for a transformerless power supply configured to limit heat generation. A system includes a power supply input configured to...
US-9,413,262 Smart power adaptor and method for controlling power supplay thereof
A smart power adaptor and a method of controlling power supply thereof are provided. The smart power adaptor includes a power conversion circuit and a control...
US-9,413,261 Power conversion apparatus
According to one embodiment, a controller determines the polarity of the input voltage detected by an input voltage detector. Then, when the polarity of the...
US-9,413,260 Method of current control of three-phase modular multilevel converter with inductance changes allowed
Current of a three-phase multilevel modular converter (MMC) is controlled. The control is a division-summation (D-.SIGMA.) method yet uses integration to...
US-9,413,259 Universal AC adaptor
Power from an AC source at a source voltage is converted for delivery to a load at a DC load voltage, where the source voltage may vary between a high line...
US-9,413,258 AC load detection and control unit
Devices and methods for controlling a state of a load powered by an AC power source include a control unit having a memory, a processor coupled to the memory, a...
US-9,413,257 Enhanced flyback converter
A DC/DC flyback converter that exhibits reduced switch and transformer voltage stresses in comparison to known flyback converters. The flyback converter also...
US-9,413,256 Control device of DC-DC converter
An object is to suppress deterioration of a high-voltage side battery regardless of the magnitude of a load current. Provided is a control device of a DC-DC...
US-9,413,255 Switching power supply device
A drive control circuit for a switching power supply device. The drive control circuit includes an output control circuit configured to generate an output...
US-9,413,254 DC-DC conversion circuit and method of protecting devices therein
A protection circuit protects transistors in a DC-DC conversion circuit from over voltages. The transistors in the conversion circuit include first and second...
US-9,413,252 Transmission voltage loss compensation circuit, compensation method, controlling chip and switching power supply
In one embodiment, a method of compensating for transmission voltage loss from a switching power supply, can include: (i) receiving a sampling signal that...
US-9,413,251 Power delivery device, AC adapter, electronic apparatus and power delivery system, having variable function of...
The PD device includes: a DC/DC converter disposed between an input and an output; a primary-side controller configured to control an input current of the DC/DC...
US-9,413,250 Power supply with multiple control topologies
The present disclosure describes a power supply with multiple operating modes, to detect a load condition of an electronic device, and to automatically change...
US-9,413,249 Secondary-side dynamic load detection and communication device
A switching power converter provides regulated voltage to a load. The switching power converter comprises a transformer including a primary winding coupled to...
US-9,413,248 Control method and AC-DC power converter
In one embodiment, a method of controlling an AC-DC power converter, can include: (i) receiving, by a filter capacitor, a first branch current from an input...
US-9,413,247 Signal transmission method and related device
A method of operating an electrical power supply device having a primary side and a secondary side is provided. The method includes transmitting with an...
US-9,413,246 Systems and methods for regulating power conversion systems with output detection and synchronized rectifying...
System and method for regulating a power conversion system. An example system controller includes: a first controller terminal and a second controller terminal....
US-9,413,245 Power converter with low ripple output
A power supply includes two or more input waveforms being shaped or selected so that after being separately level-shifted and rectified, their additive...
US-9,413,244 Voltage conversion circuit with voltage selection of transistor bulk
A voltage conversion circuit is disclosed. The voltage conversion circuit comprises an energy-storing inductor, an N-type transistor, a P-type transistor, a...
US-9,413,243 Non-insulating type switching power supply device
A switching power supply device includes a first control circuit that turns a first switch on when first and second switches are off and a voltage at a junction...
US-9,413,242 DC/DC converter having a step-up converter supplying a step-down converter
A DC-DC converter has a Step-Up stage connected to a Step-Down stage. A common Step-Down controller is designed and configured such that a single reference...
US-9,413,241 Self-powered BJT driver for power supplies
An apparatus for providing auxiliary power to an off-line switcher. The apparatus includes a high voltage semiconductor switch and a driver for the high voltage...
US-9,413,240 Power converter and controller device
A switching power converter for DC-DC converting has an inductance coupled between a power output and a high side switch in a controller device. The controller...
US-9,413,239 Electronic device for average current mode DC-DC conversion
An average current mode buck-boost DC to DC converter has a buck stage coupled between an input voltage source terminal and an output terminal. A boost stage is...
US-9,413,238 Feed control apparatus for inductive load with reduced power loss
In a feed control apparatus that controls a feed state for an inductive load by controlling the opening and closing of a load opening and closing element...
US-9,413,237 Driver method
The invention provides advances in the arts with useful and novel driver methods. The invention provides circuit driver and control methods for relatively...
US-9,413,236 Voltage converter
A voltage converter includes a power supply circuit configured to generate an output voltage based on an input voltage in response to a control signal, and a...
US-9,413,235 System, method and apparatus for controlling converters using input-output linearization
A system, method and apparatus for controlling boost and buck-boost converters using input-output linearization and leading-edge modulation is provided. The...
US-9,413,234 Switching regulator system with low power operation
A regulator controller including terminals for coupling to a voltage source, an inductor and an output capacitor, and including a switching circuit and a switch...
US-9,413,233 Switching power supply with dynamically programmed threshold voltage
A power supply is disclosed herein. For example, a method for controlling the power supply can include dynamically programming a threshold voltage. The method...
US-9,413,232 Droop reduction circuit for charge pump buck converter
A Charge Pump Buck Converter (CPBC) includes a BC including an inductor and a CP coupled in parallel. Control logic is coupled to a switch driver coupled to a...
US-9,413,231 Charge pump circuit for providing voltages to multiple switch circuits
A charge pump circuit generates a charge pump voltage that powers a bias circuit. The bias circuit generates a reference current and generates switch currents...
US-9,413,230 Power converter
In a power converter, at least two main current paths each including an inductor and a transistor are connected between input terminals, and at least two...
US-9,413,229 Low power conversion and management of energy harvesting applications
A method and apparatus for low voltage conversion and energy storage uses a charge pump array including a first set of capacitors in parallel with a second set...
US-9,413,228 2-phase threshold detector based circuits
A switched capacitor circuit includes a threshold detector to generate a threshold detection signal when a difference between first and second input signals...
US-9,413,227 Converter circuit with power factor correction for converting AC input voltage into DC output voltage
A converter circuit with power factor correction comprises an alternative current (AC) voltage source, a bidirectional AC switch circuit, a first ...
US-9,413,226 Power factor correction system
A power factor correction system is comprised of a inductor and a forward transformer. The inductor is connected to the first winding of the forward...
US-9,413,225 Method of controlling a power factor correction converter and related closed-loop control system
A method controls a power factor correction converter that includes a boost inductor and a switch. The method generates a sense signal representing a rectified...
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