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Patent # Description
US-9,806,686 Linear variable gain amplifier
The present invention is directed to electrical circuits and techniques thereof. More specifically, an embodiment of the present invention provides a variable...
US-9,806,685 Trans-impedance amplifier with increased dynamic range
A wide dynamic range trans-impedance amplifier includes a first trans-impedance amplifier configured to receive a first input current and produce a first...
US-9,806,684 Method and apparatus for achieving very high-output signal swing from class-D amplifier
An apparatus and method are disclosed for providing output signal swings that are greater than the supply voltage in a class-D amplifier. The amplifier circuit...
US-9,806,683 Average current-mode feedback control of multi-channel class-D audio amplifier
Described herein are several configurations of Class-D audio amplifiers, including a single-ended and a bridge-tied load (BTL) configuration, in which...
US-9,806,682 Multilevel class-D amplifiers
Implementations of a class-D amplifier can be used to amplify an input analog signal and provide to a load a multilevel amplified signal having an amplitude...
US-9,806,681 Doherty power amplifier having AM-AM compensation
A power amplification system includes a Doherty power amplifier (PA) configured to receive a voltage supply signal and a radio-frequency (RF) signal and...
US-9,806,680 Apparatus and methods for radio frequency amplifiers
Apparatus and methods for radio frequency (RF) amplifiers are disclosed herein. In certain implementations, a packaged RF amplifier includes a first bipolar...
US-9,806,679 High-linearity CMOS WiFi RF power amplifiers in wide range of burst signals
An RF power amplifier biasing circuit has a start ramp signal input, a main current source input, an auxiliary current source input, and a circuit output. A...
US-9,806,678 Bootstrap class-D wideband RF power amplifier
A high-power, high-frequency radio frequency power amplifier includes an output stage and a single-phase driver. The output stage is arranged in a Class-D...
US-9,806,677 Amplifier adapted for noise suppression
An amplifier (100) adapted for noise suppression comprises a first input (102) for receiving a first input signal and a second input (104) for receiving a...
US-9,806,676 Power amplification system with programmable load line
Disclosed herein are power amplification (PA) systems configured to amplify a signal, such as a radio-frequency signal. The PA system includes a plurality of...
US-9,806,675 Power amplification device and method
Various embodiments of the present invention relate to a power amplification device and method, wherein the power amplification device can comprise: a power...
US-9,806,674 Power amplifier circuit
A power amplifier circuit includes a first amplifier transistor and a bias circuit. The first amplifier transistor amplifies a first signal and outputs a second...
US-9,806,673 Class-E outphasing power amplifier with efficiency and output power enhancement circuits and method
An outphasing amplifier includes a first class-E power amplifier (16-1) having an output coupled to a first conductor (31-1) and an input receiving a first RF...
US-9,806,672 Method and apparatus for measuring solar cells
A method of measuring solar cells, wherein a voltage (U) or a current (I) is applied to a solar cell, and a current (I) and voltage (U), respectively, resulting...
US-9,806,671 Solar cell module
According to one embodiment, a solar cell module includes: a casing including a wall; a box made of a resin and attached to the casing, the box including a...
US-9,806,670 Elastic shading textile comprising photovoltaic elements, and corresponding multiple glazing
A shading textile is characterized in that it comprises a plurality of strip-shaped photovoltaic lamellas which, aligned next to one another or spaced apart...
US-9,806,669 Single-axis follower support system for a solar collector
The invention relates to a single-axis follower support system (1) for a solar collector (9) comprising a stationary structure (2) for anchoring to the ground;...
US-9,806,668 Photovoltaic mounting system for tiled roofs
A photovoltaic mounting system for tile roofs is disclosed. In one embodiment, mounting bracket is attached to a roof deck and passes through a flashing support...
US-9,806,667 Panel mounting bracket assembly including an adjustable height extension device and related methods
A system for mounting a solar panel(s) may include a panel mounting bracket(s) having a base to be positioned on a building and a vertical extension including...
US-9,806,666 System and method for mounting solar panel frames on corrugated roofing
The system and method invention herein disclosed and claimed is a bracket and mounting method used to mount a solar panel frame to a corrugated roof without...
US-9,806,665 Methods and apparatus for controlling operation of photovoltaic power plants
A photovoltaic power plant includes a photovoltaic inverter that converts direct current generated by solar cells to alternating current. The output of the...
US-9,806,664 Range switchover apparatus
When electric power supply is started, an initial driving operation is performed to switch over a power supply phase of a motor in open-loop control. Initial...
US-9,806,663 Rotary electric machine control apparatus
A motor-generator control part controls driving of a motor-generator, which is a drive power source of a vehicle. A torque limitation part of the MG control...
US-9,806,662 Motor drive controller and method for controlling motor
A motor drive controller includes: a rotation status detector that detects a rotation status of a rotor of a motor and generates rotation status detection...
US-9,806,661 Control device for on-vehicle electric compressor
A control device for an on-vehicle electric compressor controls and drives an electric motor arranged in the on-vehicle electric compressor. The control device...
US-9,806,660 Control system for hybrid operation of an electric motor
A control system for a permanent split capacitor (PSC) motor is provided herein. The control system includes a motor drive circuit configured to condition AC...
US-9,806,659 Inverter drive system, bus bar and assembly
An inverter drive assembly includes a first bus bar having a plurality of bushings, including at least a first bushing and a second bushing, the first bus bar...
US-9,806,657 Method and apparatus for control of switched reluctance motors
A short pitched switched reluctance motor control apparatus comprising a voltage provider comprising a first coupling and a second coupling configured to be...
US-9,806,656 Fault tolerant phase current measurement for motor control systems
An embodiment of a system for determining a sensor failure in a motor control system with at least three phase current measurements includes a magnitude...
US-9,806,655 Signal generating method for accurately controlling a motor
The invention provides a signal generating method for accurately controlling a motor, the method comprises the steps of generating a period compensation signal...
US-9,806,654 Motor driving apparatus and home appliance including the same
Disclosed herein are a motor driving apparatus and a home appliance including the same. The motor driving apparatus includes a direct current (DC) link...
US-9,806,653 Control apparatus for motor control system
A control apparatus calculates a total loss change amount that is a power loss change amount of a motor control system including respective power loss change...
US-9,806,652 System of controlling induction electric motor
In some embodiments, a system of controlling an induction electric motor, includes a command voltage output unit for generating a command voltage for operating...
US-9,806,651 DC electrical machine with center-tap windings systems and methods
A direct current electrical machine, which includes a rotor that generates a rotor magnetic field, a first commutation cell that includes a winding component, a...
US-9,806,650 Motor driving apparatus
A motor driving apparatus is disclosed, which stops driving a motor in a normal operation state and a start state. The motor driving apparatus adjusts a...
US-9,806,649 Safety circuit arrangement for an electrical drive unit
A safety circuit arrangement is provided for an electrical drive unit, wherein the electrical drive unit includes a traction battery, an intermediate circuit...
US-9,806,648 Motor control device and electric power steering system
In a motor control device that can perform more appropriate motor control, a switching arm has a first upper FET, a second upper FET, and a lower FET connected...
US-9,806,647 Control system for an electric motor
A control system for an electric motor comprising a stator having a plurality of stator coils and a rotor movable along the stator comprises a position...
US-9,806,646 Control apparatus of motor
In a control apparatus, a fundamental voltage generator generates, based on a target rotational speed, a fundamental voltage command for a fundamental voltage....
US-9,806,645 Robot system
A robot system includes: a robot; a three-phase inverter having a high side switch and a low side switch connected in series; a power line electrically...
US-9,806,644 Control device
A control device that controls an inverter interposed between a DC power source and an AC rotary electric machine to perform power conversion between DC power...
US-9,806,643 Drive control apparatus for electric motor
The present invention relates to a drive control apparatus for an electric motor and a control method thereof. In the present invention, the generation of...
US-9,806,642 Modular multiple single-pole electromagnetic switching system and method
One embodiment describes a wye-delta starter, which includes a first single pole, single current carrying path switching device that selectively connects and...
US-9,806,641 Detection of electric motor short circuits
One embodiment describes a method that includes determining a desired torque level of a motor actuated by a motor starter; determining, using a control system,...
US-9,806,640 Piezoelectric transmission systems
Apparatus for transmitting motion to a moveable body comprising: a first bar having ends; two articulated arms, each comprising first and second arms connected...
US-9,806,639 Dielectric fluids for linear switched capacitive devices
A dielectric fluid includes a first liquid having first dielectric constant and conductivity values. The dielectric fluid also includes a second liquid having...
US-9,806,638 Apparatus for controlling grid-connected inverter
An apparatus for controlling a grid-connected inverter is disclosed. The apparatus according to an exemplary embodiment of the present disclosure is configured...
US-9,806,637 Soft switching inverter device and method
An inverter comprises a first switch coupled to an input of an output filter and a positive dc bus, a second switch coupled to the input of the output filter...
US-9,806,636 DC/AC converter apparatus configurable as grid-connected or stand-alone and power conversion and generation...
A DC/AC converter apparatus comprising: input terminals to be connected to a DC power source; a DC/AC conversion unit configured to receive input DC electrical...
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