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Patent # Description
US-9,590,585 Resonation device, oscillator, electronic apparatus, and moving object
A resonation device includes substrate, a resonation element that is attached to first main surface of substrate at first and second attachment portion, and...
US-9,590,584 Resonation device, electronic device, and moving object
A resonation device includes a heat generation element as a heat generation portion which is disposed on a bottom plate of a package as a base substrate, a...
US-9,590,583 Alternating current (AC) coupler for wideband AC signals and related methods
An AC coupler for transmitting high-frequency components of a wideband signal includes a signal conductor and a shielding structure arranged as a transmission...
US-9,590,582 Semiconductor device with inductor-capacitor resonant circuit
A semiconductor device with an inductor-capacitor (LC) resonant circuit includes a first insulation layer, an inductor component, and a capacitor component. The...
US-9,590,581 System and method for reduction of signal distortion
A system for suppressing signal harmonic distortion caused by a main signal processing device provides processing for an electrical signal containing sine...
US-9,590,580 Loudness-based audio-signal compensation
Provided are, among other things, systems, methods and techniques for loudness-based audio-signal compensation. According to one such system, an input line...
US-9,590,579 Wide range transimpedance amplifier
One aspect of this disclosure is a transimpedance amplifier circuit with multiple resistive feedback loops can be implemented with multiple Kelvin sensing...
US-9,590,578 Amplifier device with at least one microwave tube
An amplifier device with at least one microwave tube, intended to be mounted on a satellite, includes a high voltage section directly connected to said...
US-9,590,577 Linearized high-ohmic resistor
Representative implementations of devices and techniques provide a linearized high-ohmic resistor. In an example, a quantity of serially connected nonlinear...
US-9,590,576 Differential amplifier
A differential amplifier is disclosed. The differential amplifier includes: a pair of input terminals externally receiving an input signal; a first differential...
US-9,590,575 Amplifier stage
A differential amplifier stage may include: a first transistor having a gate terminal; a second transistor having a gate terminal; and a voltage limiting...
US-9,590,574 Pulse-width modulated (PWM) audio power amplifier with output transition slope control
An audio switching power amplifier having an output with controlled-slope transitions maintains efficiency while avoiding uncontrolled non-overlap intervals...
US-9,590,573 System and method to remove heat from a power amplifier
In one aspect a satellite comprises a body, a solid state power amplifier, a heat acquisition and transfer device positioned proximate at least one heat...
US-9,590,572 Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion
A logarithmic detector amplifying (LDA) system is provided for use as a high sensitivity receive booster or replacement for a low noise amplifier in a receive...
US-9,590,571 Single stage buffer with filter
A single-stage buffer apparatus includes a first transistor, a second transistor, and a high pass filter network. The first transistor is configured to receive...
US-9,590,570 Impedance converter circuit for condenser microphone
To provide an impedance converter circuit for a condenser microphone which can secure a wide dynamic range using a voltage amplifier circuit. The impedance...
US-9,590,569 Systems, circuits and methods related to low power efficiency improvement in multi-mode multi-band power amplifiers
Systems, circuits and methods related to low power efficiency improvement in multi-mode multi-band power amplifiers. In some embodiments, a power-amplifier (PA)...
US-9,590,568 Power amplifier
A power amplifier includes a class D amplification section and a load current feedback circuit. The class D amplification section includes an input section and...
US-9,590,567 Moving mean and magnitude dual path digital predistortion
An apparatus relates generally to preconditioning an input signal. In this apparatus, a first digital predistortion module and a second digital predistortion...
US-9,590,566 Pre-distortion based power control
An apparatus comprises an amplifier and a pre-distortion circuit coupled to an input of the amplifier. A saturation value of an input signal corresponds to a...
US-9,590,565 Class-D amplifier
In a class-D amplifier, oscillation phenomenon is suppressed in a high RF range and surge voltage is reduced. An oscillation absorption circuit is connected on...
US-9,590,564 Multiband power amplification apparatus
The present application provides a multiband power amplification apparatus. The first input terminal receives a signal in a frequency band f.sub.1; the second...
US-9,590,563 2G support for 2G and 3G/4G envelope tracking modulator
There is provided an amplification stage including an envelope tracking modulated supply for tracking a reference signal, comprising a low frequency path for...
US-9,590,562 Semiconductor amplifier bias circuit and semiconductor amplifier device
A semiconductor amplifier bias circuit includes a first transmission line, a first grounded capacitor, a second transmission line and a power supply terminal....
US-9,590,561 Power amplifier
An apparatus includes a differential amplifier. The differential amplifier includes a first side circuit configured to receive a first input signal, a second...
US-9,590,560 Summing amplifier and method thereof
An apparatus includes: a first transconductance device of a first type configured to convert a first voltage into a first current of an output node; a second...
US-9,590,559 Monitoring system
A method for analyzing performance of a solar photovoltaic installation data indicating measured value of power generated by the photovoltaic installation...
US-9,590,558 Solar module
A solar module comprising at least a plurality of lamellar solar panels, which are mounted pivotably, about a common axis, on an elongate support and can be and...
US-9,590,557 Photovoltaic-clad masonry unit
A masonry unit including a photovoltaic cell for generation of electricity is described herein. More particularly a photovoltaic-clad concrete block that...
US-9,590,556 Substantially two-dimensional construction element
A construction element (29) which extends in two dimensions comprises a solar energy converter member (1) which also extends along and defines one surface of...
US-9,590,555 Structure of variable light display for vehicle traffic lane(s) electrically power supplied by photovoltaic panels
The structure (10) of light display for vehicle traffic lane(s) is of the type including at least one vertical support post (7), a substantially horizontal...
US-9,590,554 Electric power converter
The present invention relates to a rush current limiting circuit in which a series circuit consisting of an inductor and a resistor for detecting a current is...
US-9,590,553 Power conversion apparatus and electric power steering device
Disclosed is a power conversion apparatus that improves the reliability of a redundant system therefor. The power conversion apparatus includes a motor having a...
US-9,590,552 Motor drive device and electric compressor
A motor drive device drives a multi-phase synchronous motor in an electric compressor. The multi-phase synchronous motor includes a rotor that is provided with...
US-9,590,551 Control apparatus for AC motor
A control apparatus includes an inverter for driving a three-phase AC motor when connected to a DC power source, a smoothing capacitor interposed between the DC...
US-9,590,550 Systems and methods for adaptive control of excitation and generator systems
A system includes an excitation system. The excitation system includes a memory configured to store an adaptive power system stabilizer (PSS) system configured...
US-9,590,549 Torque control for a wind turbine generator in case of fault
A method and controller for controlling the torque in a wind turbine is described wherein the wind turbine is configured to deliver power via a converter to a...
US-9,590,548 Method and apparatus for regulating an output voltage of an alternator
A method of regulating an output voltage of an alternator. The method comprises measuring first and second external contacts of the alternator regulator module...
US-9,590,547 Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough
A double fed induction generator (DFIG) converter, methods and computer readable mediums are presented in which rotor side current spikes are attenuated by...
US-9,590,546 Power dissipating arrangement in a wind turbine
A power dissipating arrangement for dissipating power from a generator in a wind turbine is provided. The generator comprises a plurality of output terminals...
US-9,590,545 Power angle calculation for alternator controller
In one embodiment, a generator includes a rotor configured to rotate in cooperation with a stator to generate electrical power. A sensor, which is supported by...
US-9,590,544 Method for operating an electric motor and corresponding electric motor device
A method for operating an electric motor connectable via a switching device to a current source and connected in parallel with a freewheeling device, the...
US-9,590,543 Sensorless drive device and control method thereof
The purpose of the present invention is to reduce noise by controlling vibration due to rotation fluctuation, and to consume only current required for...
US-9,590,542 Brushless motor and control method thereof
A brushless motor includes a rotor, a plurality of sets of stator windings, a position detection assembly, a MOSFET assembly, an inductance detection module and...
US-9,590,541 Method and apparatus for control of electrical machines
A control system for an electronically commutated motor (401) can rotate smoothly to very low speeds without using a high resolution encoder and can respond to...
US-9,590,540 Hybrid pulse width modulation method for variable speed drive
A system or method controlling a variable speed drive based on PWM techniques, wherein a first PWM method is used when the input current is less than a...
US-9,590,539 Controlled motion system
A controlled motion system having a plurality of movers controlled as they travel along both smart and simple sections of a track. The controlled motion system...
US-9,590,538 Braking device for a universal motor
An electrodynamic braking device for a universal motor includes a field winding configured to be fed from a grid during a braking operation, and an armature...
US-9,590,537 Method of controlling a pump and motor
Embodiments of the invention provide a variable frequency drive system and a method of detecting a ground in a system having a pump driven by a motor. The drive...
US-9,590,536 Two-step connection of electric motors by means of electromagnetic switches
A method and apparatus using electromagnetic switching in a two-step connection process is provided to minimize surge currents and torque oscillations in...
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