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Patent # Description
US-1,014,1904 Method and system for accurate gain adjustment of a transimpedance amplifier using a dual replica and servo loop
Methods and systems for accurate gain adjustment of a transimpedance amplifier using a dual replica and servo loop is disclosed and may include, in a...
US-1,014,1903 Methods and systems for controlling audio output of an exterior vehicle audio system
An audio system for a vehicle is described. The audio system includes an audio control computer device and an exterior audio assembly. The audio control...
US-1,014,1902 Apparatus for and method of generating output signal based on detected load resistance value
Aspects of the disclosure provide an apparatus having a first connector and a signal processing circuit. The first connector is configured to receive a second...
US-1,014,1901 Flip-chip amplifier with termination circuit
Disclosed are devices and methods for improving power added efficiency and linearity of radio-frequency power amplifiers implemented in flip-chip...
US-1,014,1900 Offset trimming for differential amplifier
Apparatuses, systems, and methods are disclosed for offset trimming for differential amplifiers. An apparatus includes a differential amplifier. A differential...
US-1,014,1899 Broadband radio frequency power amplifiers, and methods of manufacture thereof
An embodiment of an amplifier has a bandwidth defined by low and upper cutoff frequencies. The amplifier includes an input impedance matching circuit and a...
US-1,014,1898 High current low-cost DC coupled DAC follower low pass filter headphone amplifier
A digital-to-analog converter (DAC) circuit includes a pair of output stages, each including a DAC configured to convert a digital audio signal into an analog...
US-1,014,1897 Source follower
A source follower includes a first transistor, a first output module, a second transistor, a second output module and a feedback module. The first terminal and...
US-1,014,1896 Curve fitting circuit, analog predistorter, and radio frequency signal transmitter
A curve fitting circuit, an analog predistorter, and a radio frequency signal transmitter are disclosed. Each segmentation processing circuit in the curve...
US-1,014,1895 Systems and methods for optimizing amplifier operations
Methods and systems for optimizing amplifier operations are described. The described methods and systems particularly describe a feed-forward control circuit...
US-1,014,1894 Radio frequency (RF) amplifier
A circuit includes a first amplifier path comprising a first amplifier, M.sub.A, a second amplifier path comprising a cascode device and a second amplifier,...
US-1,014,1893 Input stage of an amplifier and corresponding amplifier
The input stage (16) of a high-fidelity amplifier (10) with high linearity and a low distortion rate comprises: --an input (12) for the digital signal to be...
US-1,014,1892 Bias circuit for supplying a bias current to a RF power amplifier
A bias circuit for supplying a bias current to a RF power amplifier by using at least two voltage reference circuits coupled between the base terminal of a...
US-1,014,1891 Power amplifier with supply switching
A power amplifier with supply switching is provided. The power amplifier detects a magnitude of an outgoing broadband communication signal and determines...
US-1,014,1890 Power amplifier module
A power amplifier module includes an amplifier transistor and a bias circuit. A first power supply voltage based on a first operation mode or a second power...
US-1,014,1889 Semiconductor integrated circuit, sensor reader, and sensor readout method
In a sensor reader, an IC chip has a function for amplifying and outputting a sensor signal from each sensor element included in a sensor array, and includes a...
US-1,014,1888 Double balanced mixer
A FET based double balanced mixer (DBM) that exhibits good conversion gain and IIP3 values and provides improved linearity and wide bandwidth. In one...
US-1,014,1887 Oscillator for detecting temperature of atmosphere
An oscillator detects a temperature of an atmosphere where a crystal resonator for an oscillation output is placed using a temperature detector to stabilize the...
US-1,014,1886 Method and apparatus for extracting electrical energy from photovoltaic module
The present invention relates to the field of energetic, more particularly to generation of photovoltaic direct current followed by its transformation into...
US-1,014,1885 Floating solar panel systems
A floating solar system having a peripheral buoyant pontoon within which is suspended an array of individual photovoltaic panels each equipped with a float. A...
US-1,014,1884 Cooling fan filtering
A method for cooling system components of information handling systems may include generating a first pulse width modulation (PWM) control signal for...
US-1,014,1883 Input stage for a motor controller, and motor controller, especially for an electric motor
The invention relates to an input stage (1) for a motor controller (2), especially a motor controller for an electric motor, the input stage (1) being provided...
US-1,014,1882 Motor health monitoring and medical device incorporating same
Apparatus are provided for motor control systems and related medical devices. In one embodiment, a control system includes a motor having a rotor, a modulation...
US-1,014,1881 Apparatus for controlling inverter
An apparatus for controlling an inverter is disclosed. The apparatus for controlling the inverter contained in an inverter system configured to drive a motor...
US-1,014,1880 Driving circuit for voice coil motor having a first driver coupled to a first end of a coil and a second driver...
With a driving current as I.sub.DRV, with a reference voltage as V.sub.REF, and with a gain as k, a current detection circuit generates a detection voltage...
US-1,014,1879 Motor control apparatus, sheet conveyance apparatus, document feeding apparatus, document reading apparatus,...
An apparatus, to control a motor from an instructed phase indicating a motor rotor target phase, includes a detector, a phase determiner, a converter, and a...
US-1,014,1878 Controller for permanent magnet synchronous motor, and control method for estimating initial position of rotor
A controller for a sensorless permanent magnet synchronous motor having a rotor using a permanent magnet, the rotor rotating by a rotating magnetic field caused...
US-1,014,1877 Controller for permanent magnet synchronous motor, control method, and image forming apparatus
A method for controlling a permanent magnet synchronous motor having a rotor using a permanent magnet, the rotor rotating by a rotating magnetic field caused by...
US-1,014,1876 Power generator system, power generator control device, and power-generation balance control method for power...
A master generator is configured to use a duty upper limit value and a duty lower limit value to perform duty restriction processing on a PWM signal in...
US-1,014,1875 Aircraft starting and generating system
An aircraft starting and generating system includes a starter/generator that includes a main machine, an exciter, and a permanent magnet generator. The system...
US-1,014,1874 Synchronous electrical power distribution system startup and control
A system may include a prime mover configured to provide mechanical energy to the system by spinning a shaft. The system further includes a synchronous AC...
US-1,014,1873 Shock detector circuit and method for operation thereof
The present invention concerns an electronic device comprising a calculation unit capable of generating a signal representative of a physical magnitude, for a...
US-1,014,1872 Motor drive circuitry
A motor drive circuit for use in driving a motor having two or more phases comprising a motor bridge having, for each phase of the motor, a bridge arm...
US-1,014,1871 Method and system for controlling a control installation of an electric motor
A control method which is deployed in a control installation of an electric motor, the control installation including a first converter controlled for the...
US-1,014,1870 Automated verification testing for a motor capacitor
A motor capacitor verification unit includes a capacitor selection section coupled to an electric motor employing a motor capacitor for its operation that...
US-1,014,1869 Impedance compensation
The invention relates to a method for operating a power converter (1), preferably a solar inverter, for feeding a load current (I.sub.load) into a grid (3). The...
US-1,014,1868 Method and apparatus for resonant power conversion
A method and apparatus for providing multi-phase power. In one embodiment, the apparatus comprises a cycloconverter controller for determining a charge ratio...
US-1,014,1867 Switching control circuit with signal process to accommodate the synchronous rectifier of power converters
A switching control circuit of a power converter according to the present invention comprises an input circuit and a clock generator. The input circuit is...
US-1,014,1866 Multi-level inverter with first and second switch banks
Various examples are directed to systems and methods for a multi-level inverter to convert direct current (DC) to alternating current (AC). The inverter may...
US-1,014,1865 Hybrid CHB-TVSI multilevel voltage source inverter
The hybrid CHB-TVSI multilevel voltage source inverter is a polyphase grid-connected multilevel inverter system has an upper part and lower part that provides...
US-1,014,1864 Inverter apparatus including control circuit employing two-phase modulation control, and interconnection...
A control circuit reduces switching loss by periodically stopping switching elements, and reduces the difference between the time for which positive switching...
US-1,014,1863 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-1,014,1862 Power supply device
A power device supply includes an inverter, a converter, and a cooling system. The inverter is configured to convert direct electrical current into alternating...
US-1,014,1861 Power conversion unit, power converter and method of manufacturing power converter
To improve accessibility with respect to a power conversion unit in a power converter. The power converter includes a circuit connection part including a...
US-1,014,1860 Converter with DC link
A converter with a DC link for converting an input voltage into an alternating voltage with a pre-determined amplitude and frequency for driving a single or...
US-1,014,1859 Series module assembly with a power bus system
A series module assembly particularly for drive technology includes a bus system and series modules arranged in side by side in a row on a mounting base. The...
US-1,014,1858 Power converter for electric locomotive
A power converter for an electric locomotive includes an insulating transformer, an AC/DC converter, an inverter, a PWM controller, and a voltage controller....
US-1,014,1857 Energy supply device for supplying electric energy and method of operating a corresponding energy supply device
An energy supply device for providing electric energy, wherein the energy supply device has at least one input interface for receiving electric energy and an...
US-1,014,1856 Integrated magnetic and composite substrate with incorporated components
A magnetic device assembly is provided for maximizing the size of the magnetic components for a predetermined power converter module by co-locating and sharing...
US-1,014,1855 System and method for power conversion
A polarity-selectable high voltage direct current power supply including a first drive assembly that transforms a first low voltage DC input into a first medium...
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