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Patent # Description
US-9,584,091 Wireless communication device and method of adjusting antenna matching
A wireless communication device includes a diversity antenna operating in a receiving frequency band to receive a receiving signal in the reception frequency...
US-9,584,090 RF impedance matching network
An RF impedance matching network includes a transformation circuit coupled to an RF input and configured to provide a transformed impedance that is less than a...
US-9,584,089 Nested multi-stage polyphase filter
A nested multi-stage polyphase filter can comprise: a first filter stage and a second filter stage. The first filter stage can be connected to the second filter...
US-9,584,088 Method for manufacturing acoustic wave device
A method for manufacturing an acoustic wave device with an excellent frequency-temperature profile is performed such that the acoustic wave device produced...
US-9,584,087 Post-processing gains for signal enhancement
A method, an apparatus, and logic to post-process raw gains determined by input processing to generate post-processed gains, comprising using one or both of...
US-9,584,086 Situation responsive audio system
A method of controlling an audio system includes generating a situation response model for a situation parameter, determining a situation parameter value, and...
US-9,584,085 Amplifying system
An amplifying system with increased linearity is disclosed. The amplifying system includes a first gain stage with a first gain characteristic, a second gain...
US-9,584,084 Audio output device and control method
An audio output device includes a voltage detection unit, a processing unit, a voltage detection unit, an alarm unit and an audio output unit. The voltage...
US-9,584,083 Loudness modification of multichannel audio signals
Scaling, by a desired amount s.sub.m, the overall perceived loudness L.sub.m of a multichannel audio signal, wherein perceived loudness is a nonlinear function...
US-9,584,082 Systems and methods for supply-based gain control of an audio output signal
An audio device may include an electrical terminal for coupling a transducer device to the audio device and an audio circuit for generating an analog audio...
US-9,584,081 Signal processing apparatus and method, program, and data recording medium
The present invention relates to a signal processing apparatus and method, a program, and a data recording medium configured such that the playback level of an...
US-9,584,080 Compact microwave power amplifier circuit
A power amplifier structure having: a power divider for dividing power in a signal fed to an input port between a pair of output ports. Each one of a pair of...
US-9,584,079 Operational amplifier
There is provided an operational amplifier which is operable as well when an operating voltage decreases without creating a range where a circuit would not...
US-9,584,078 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-9,584,077 Impedance synthesis for optimum frequency response of a radio frequency (RF) amplifier
A method and system of synthesizing impedance in a radio frequency (RF) amplifier includes receiving a voltage signal at a passive mixer. The passive mixer...
US-9,584,076 Output matching network for differential power amplifier
An output matching network for a differential power amplifier comprises an output transformer having a center tap and a low pass filter. The output transformer...
US-9,584,075 Implementing enhanced CMOS inverter based optical transimpedence amplifier
A method and circuit are provided for implementing enhanced CMOS inverter based optical Transimpedance Amplifiers (TIAs). A transimpedence amplifer (TIA)...
US-9,584,074 Optical receiver with automatic distortion cancellation
An optical receiver includes closed-loop composite second order (CSO) distortion correction logic. An optical communication system includes a transmitter...
US-9,584,073 Internally matched active single-to-differential RF converter
A single-to-differential converter and a method of fabricating the single-to-differential converter on an integrated circuit are described. The...
US-9,584,072 DC bias regulator for cascode amplifier
An amplifier having a pair of transistors arranged in a cascode amplifier arrangement serially connected to a first voltage source. A DC bias regulator is...
US-9,584,071 Envelope tracking with reduced dynamic range
Envelope power supply circuitry includes power converter circuitry and envelope tracking circuitry. The power converter circuitry is configured to receive an...
US-9,584,070 Apparatus and methods for envelope trackers
Apparatus and methods for envelope tracking are disclosed. In one embodiment, a power amplifier system including a power amplifier and an envelope tracker is...
US-9,584,069 Body driven power amplifier linearization
Embodiments include an apparatus, system, and method related to a body driven field effect transistor (FET). In embodiments, a body terminal of the FET may be...
US-9,584,068 Circuit arrangement
A circuit arrangement for converting from a differential signal path (IF.sub.outA - IF.sub.outB) at the output of a mixer to a signal path (S.sub.sin gle)...
US-9,584,067 Circuits and methods for increasing output frequency of an LC oscillator
Disclosed are circuits and methods for increasing an output frequency of an inductance-capacitance (LC) oscillator. In some embodiments, the LC oscillator can...
US-9,584,066 Method and system for controlling the quality of a photovoltaic device
The photovoltaic device comprises a photovoltaic cell (1) assembled with a substrate (2) by way of an assembly interface. The method comprises a step of...
US-9,584,065 Solar cell structure
The invention relates to a solar cell structure (10) having at least one transparent photovoltaic cell (42), in particular having a dye solar cell or a...
US-9,584,064 System and method for autonomous adaptive cleaning of PV panels based on high level control signals
A solar energy system and method of cleaning photovoltaic panels is provided. Measurements relating to weather at a photovoltaic panel are received by the...
US-9,584,063 Concentrating photoelectric conversion device
The present disclosure provides a concentrating photoelectric conversion device that can efficiently obtain a power generation amount even if a deflection and a...
US-9,584,062 Apparatus for mounting photovoltaic modules
An apparatus for mounting photovoltaic modules is disclosed. The apparatus includes a bracket where the bracket defines a slot in a lower portion of the bracket...
US-9,584,061 Electric drive systems including smoothing capacitor cooling devices and systems
An electric drive system includes a smoothing capacitor including at least one terminal, a bus bar electrically coupled to the at least one terminal, a...
US-9,584,060 Motor, method for driving motor, and drive controller for motor
A motor includes a two-layer rotor and a two-layer stator. The two layer rotor includes an A-phase rotor and a B-phase rotor that are stacked together. When...
US-9,584,059 Motor control system and interface
A motor control system is presented. The motor control system includes a motor controller and a motor driver. The motor controller and motor driver are coupled...
US-9,584,058 System and method for estimating temperature of rotor of motor
A system and method are provided for estimating temperature of a rotor of a motor configured to calculate temperature of the rotor using an actual measured...
US-9,584,057 Control device and method for improving voltage utilization ratio of inverter for green car
A control device and a control method can improve a voltage utilization ratio of an inverter for a green car, in which an input DC voltage of the inverter is...
US-9,584,056 Polyphasic multi-coil generator
A polyphasic multi-coil generator includes a driveshaft, at least first and second rotors rigidly mounted on the driveshaft so as to simultaneously...
US-9,584,055 Voltage regulator system for a genset
A voltage regulator system for regulating an output voltage of a genset includes a voltage regulator for reducing terminal voltage in response to a reduction in...
US-9,584,054 Output control device, method and program for wind farm
A wind farm output control device includes a potential estimator estimating a maximum electrical energy outputtable by each wind power generation device, a...
US-9,584,053 Vehicle control system
A SBW-ECU prohibits driving of an electric motor by turning off power supply to the motor by a drive prohibition device, when a diagnosis part of a by-wire...
US-9,584,052 Driving system, apparatus and method for spindle motor
A driving method for a spindle motor and associated driving system and apparatus are provided. The driving method includes the following steps. Plural...
US-9,584,051 Method for estimating the angular position of the rotor of a polyphase rotary electrical machine, and...
According to the method of the invention, the estimation of the angular position is obtained by calculating at least one first estimator as solution of a...
US-9,584,050 Motor drive device and brushless motor equipped with same, and air conditioner
A motor drive device of the present invention includes a speed signal generator that generates a rotation speed signal indicating rotation speed; a PWM signal...
US-9,584,049 Motor driving control method and motor driving control device
An H-bridge circuit controls a motor and includes a first series circuit of switching elements and a second series circuit of switching elements connected in...
US-9,584,048 Electroactive elastomer converter
An electroactive elastomer converter is described comprising at least one electroactive elastomer layer (3) with a top side and underside and an electrically...
US-9,584,047 Bidirectional power converter having a charger and export modes of operation
A bidirectional power converter that can be used in an electric vehicle to perform AC to DC power conversion to charge the electric vehicle's battery and to...
US-9,584,046 Gate drive circuit and a method for controlling a power transistor
A gate drive circuit to drive a gate terminal of a power transistor. The gate drive circuit includes a first capacitor, a first switch, a measurement circuit...
US-9,584,045 Converter controller with half bridge adaptive dead time circuit and method
The present disclosure relates to a controller, a circuit and method for controlling a power converter using pulse width modulation (PWM). At least one logic...
US-9,584,044 Technologies for converter topologies
In some embodiments of the disclosed inverter topologies, an inverter may include a full bridge LLC resonant converter, a first boost converter, and a second...
US-9,584,043 Inverter phase current reconstruction apparatus and methods
Methods and apparatus are presented for sampling low side inverter phase currents, in which current sampling is selectively delayed in a given PWM cycle by a...
US-9,584,042 Method for driving inverters, and inverter adapted to reduce switching losses
A method for controlling the switching of an inverter, a bridge of which is adapted to chop a voltage from a direct voltage source for feeding a chopped voltage...
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