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Patent # Description
US-9,853,602 Adaptive tracking rail audio amplifier
For use in professional audio amplifier applications, high current charge pump circuits including charge circuits and dynamic release circuits are connected...
US-9,853,601 Method, apparatus and system for envelope tracking
This disclosure relates generally to the field of wireless communication infrastructure, and more particularly to a method, apparatus and system for envelope...
US-9,853,600 System and method for adaptive power modulation for power amplifier
A method includes determining one or more characteristics of a system that uses a power amplifier. The method also includes determining, based on the one or...
US-9,853,599 Simultaneous linearization of multiple power amplifiers with independent power
An antenna array includes a plurality of power amplifiers, each having a signal input, a signal output coupled to a cell of the antenna array, and a power...
US-9,853,598 Solar module frame
A solar module frame includes two first borders and two second borders. At least one first border includes a first segment and a second segment, where one end...
US-9,853,597 Pivot-fit connection apparatus, system, and method for photovoltaic modules
A system and method are disclosed for quickly and easily assembling PV modules into a PV array in a sturdy and durable manner. In examples of the present...
US-9,853,596 Low-slope mounted photovoltaic array
A photovoltaic array mounting system for a low-slope roof having interchangeable first and second bases, with a short leg extending from the first base at a...
US-9,853,595 Fixture for on-roof installation object and fixing structure of on-roof installation object
A fixture includes a substitutive roof member that includes a base part, a base opening, a tubular wall that is erected from a peripheral edge of the base...
US-9,853,594 Photovoltaic mounting system with chemical flashing
Photovoltaic mounting systems that form chemical flashings are provided herein. Such sealant injection systems provide directional control and containment of...
US-9,853,593 Solar panel mechanical connector and frame
A bracket for coupling frames of solar panels includes a spacer for positioning between frames. An elongated body passes through a slot in the spacer and is...
US-9,853,592 Method and device for controlling an energy-generating system which can be operated with a renewable energy source
A method and a device for controlling an energy-generating system are operated with a renewable energy source. In the method, a prediction about an energy yield...
US-9,853,591 Inverter control device
An inverter control device for controlling a rotating electric machine drive device that includes an inverter and a DC link capacitor, the inverter being...
US-9,853,590 System and method for improving the operation of electronically controlled motors
An electrical motor controller changes the PWM frequency that is used by a motor driver to form the fundamental frequency and voltage magnitude for the...
US-9,853,589 Electric power system for controlling an electric machine
An electric power system including a front-end converter that is supplied electric power from a high-voltage DC power source, and an associated motor control...
US-9,853,588 Motor drive control using pulse-width modulation pulse skipping
A control circuit for a motor of a compressor includes an inverter control module configured to control power switching devices of an inverter to generate...
US-9,853,587 System for operating a three-phase variable frequency drive from an unbalanced three-phase or single-phase AC...
A variable frequency motor drive comprises a converter including a rectifier having an input for connection to an AC power source and converting the AC power to...
US-9,853,586 Motor driven appliance
A motor driven appliance comprises a battery, a motor, at least one switch, a control unit, an abnormality detection unit, a determination unit, and a...
US-9,853,585 Motor control apparatus, motor control method and motor control program
A control apparatus for controlling a motor performing pressure control includes circuitry which calculates a detected speed of a motor based on an input...
US-9,853,584 Load torque estimation apparatus, image forming apparatus, load torque estimation method and recording medium
A load torque estimation apparatus includes an acquisition unit configured to acquire a smoothed signal, the smoothed signal being obtained by smoothing a...
US-9,853,583 Motor driving apparatus and controlling method thereof
Disclosed herein are a motor driving apparatus and a controlling method thereof. The motor driving apparatus includes a motor having a rotor including a...
US-9,853,582 Converter interconnected with a wind power generation farm to enable continuous power transmission and...
A converter and an operation method thereof are provided. A converter interconnected with a wind power generation farm includes a power monitor unit configured...
US-9,853,581 Lifing and performance optimization limit management for turbine engine
A control for a multi-shaft turbine engine system using electrical machines seeks optimal system performance while accommodating hard and soft component limits....
US-9,853,580 Method of controlling start-up noise in BLDC (brushless direct current) fan motors
A method to reduce acoustic noise in a cooling fan motor is disclosed. The method includes reducing the slew rate of a PWM (pulse width modulation) voltage...
US-9,853,579 Rotatable heated electrostatic chuck
An electrostatic chuck includes a dielectric disk having a support surface to support a substrate and an opposing second surface, wherein at least one chucking...
US-9,853,578 Ultrasonic generator
An ultrasonic generator that is capable of increasing output sound pressure is provided. An ultrasonic generating element is accommodated in an accommodation...
US-9,853,577 Multi-flap standing wave type ultrasonic motor
Provided is a multi-flap standing wave type ultrasonic motor, including a rotor part, a stator part, a control circuit board, and a fixing attachment. The rotor...
US-9,853,576 Control apparatus of vibration-type actuator and control method of vibration-type actuator
Provided is a control apparatus of a vibration-type actuator for generating an elliptical motion of contact portions by a common alternating current including a...
US-9,853,575 Angular motor shaft with rotational attenuation
A linear actuator assembly has a linear actuator including a motor shaft extending from a base with a piezoelectric component oscillate the shaft. The shaft has...
US-9,853,574 Voltage source converter
A voltage source converter including a DC terminal for connection to a DC electrical network, and a converter limb operatively connected to the DC terminal. The...
US-9,853,573 Grid-tie inverter with active power factor correction
A grid-tie inverter (the "inverter") may include a power converter that receives a direct current (DC) output voltage from a DC input power source, and...
US-9,853,572 Bridge leg circuit
A bridge leg switching a DC voltage to produce an AC voltage at its output terminal for supply to an inductive load. The bridge leg has first, second, third,...
US-9,853,571 Secondary control method and apparatus of parallel inverters in micro grid
The present invention discloses a secondary control method and apparatus of parallel inverters in a micro grid, comprising: generating frequency and amplitude...
US-9,853,570 Parallel inverter scheme for separating conduction and switching losses
In one example embodiment, a controller is coupled to a first inverter and a second inverter forming a parallel inverter scheme. The first inverter and the...
US-9,853,569 Method for actuating inverters connected in parallel
The invention relates to a method for actuating inverter stages (2) switched in parallel, wherein each inverter stage (2) comprises several switching elements...
US-9,853,568 Power conversion device
The resonant inverter circuit includes two or more switch elements. A detector detects an output current of the switch elements. A resonance frequency...
US-9,853,567 DC source-to-AC grid tie-in power enhancement using multilevel/multiphase inverter topology and resonant matrix...
A high efficiency multi-mode/multi-phase power conversion device has DC-boost receiving input power from a plurality of DC (e.g., solar) sources, power...
US-9,853,566 System for driving inverters in parallel
In some embodiments, a system for driving inverters in parallel includes a master controller, a plurality of slave controllers, and a plurality of inverters...
US-9,853,565 Maximized power in a photovoltaic distributed power system
A power harvesting system including multiple parallel-connected photovoltaic strings, each photovoltaic string includes a series-connection of photovoltaic...
US-9,853,564 Synchronous rectifier and control circuit thereof
A synchronous rectifier includes: a rectifying circuit including transistors, the rectifying circuit being configured to generate rectified power by rectifying...
US-9,853,563 Isolated synchronous rectification control circuit, control device, and control method
The present invention provides an isolated synchronous rectification control circuit, a control device, and a control method. The control circuit includes a...
US-9,853,562 Converter station with diode rectifier
A converter station for the transmission of electrical power has a diode rectifier with a DC terminal and an AC terminal. At least one transformer is connected...
US-9,853,561 Load control device for high-efficiency loads
A two-wire load control device (such as, a dimmer switch) for controlling the amount of power delivered from an AC power source to an electrical load (such as,...
US-9,853,560 Congruent power and timing signals for device
Congruent power and timing signals in a single electronic device. In an embodiment, a circuit may include just one isolation transformer operable to generate a...
US-9,853,559 Power conversion device with reduced current deviation
Disclosed herein is a power conversion device including a storage and a power conversion controller. The storage stores multiple values, each correlated to a...
US-9,853,558 High voltage direct current (HVDC) transmission system to compensate for voltage values output from a plurality...
A high voltage direct current (HVDC) transmission system is provided. The high voltage direct current (HVDC) transmission system includes: an integrated...
US-9,853,557 Power conversion apparatus and power conversion method
A power conversion apparatus includes a primary side circuit, a secondary side circuit magnetically coupled to the primary side circuit through a transformer,...
US-9,853,556 Isolated power conversion system
Disclosed is an isolated power conversion system for providing a function of isolated power conversion by converting an AC power into a DC output power, and a...
US-9,853,555 Universal power adapter and an associated method thereof
A universal power adapter includes a power converter configured to generate an output power based on a switching frequency of the power converter. The universal...
US-9,853,554 Flyback converter and control circuit with standby mode
The present invention provides a power converter, and a control circuit and a standby power saving method thereof. The power converter provides an output...
US-9,853,553 Interface circuits for USB and lighting applications
In accordance with an embodiment of the present invention, a method of operating a power supply circuit includes receiving an input signal comprising a request...
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