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Patent # Description
US-9,484,884 Planar structure of a mechanical resonator decoupled by bending oscillation and expansion/compression vibrations
Mechanical resonators for making timepieces have the drawback of not being simultaneously efficient, compact, and inexpensive. The invention is a planar...
US-9,484,883 Acoustic wave device and fabrication method of the same
An acoustic wave device includes: a substrate; an input terminal that is located on a first surface of the substrate, and to which a high-frequency signal is...
US-9,484,882 Acoustic resonator having temperature compensation
An acoustic resonator structure comprises a substrate having an air cavity, an acoustic stack disposed over the substrate and comprising a piezoelectric...
US-9,484,881 Impedance matching device and control method
In an impedance matching device between a power transmission circuit and a power transmission antenna, a storage unit stores tables associated with a load...
US-9,484,880 Variable capacitor, impedance matching device, mobile terminal thereof and method for matching impedance
Disclosed is an impedance matching device. Variable devices of the impedance matching device installed in a mobile terminal, such as a portable terminal, are...
US-9,484,879 Nonlinear capacitance linearization
An apparatus, which includes a first electronic device, a first nonlinear capacitance compensation circuit, and a capacitance compensation control circuit, is...
US-9,484,878 Equalization of frequency-dependent gain
Systems, devices, and methods for determining and establishing frequency-dependent gain compensation in wide bandwidth communication systems are disclosed....
US-9,484,877 Resonating device with single operational amplifier
A resonating device includes: an amplifying circuit having a first input terminal, and an output terminal for outputting an output signal; a first feedback...
US-9,484,876 Control of a switched mode power supply and linear power supply for an audio device
An audio device and an output method thereof are provided. The audio device includes: an envelope detector configured to detect an envelope of an input audio...
US-9,484,875 Active attenuator keeping saturated output power for reduced input power
An active attenuator is disclosed. The attenuator includes a divider to divide an input signal into two signals, a phase shifter to shift a phase of one of...
US-9,484,874 Input amplitude modulated outphasing with an unmatched combiner
An amplifier system is disclosed, configured to apply a signal component separator algorithm such that the first phase modulated signal and the second phase...
US-9,484,873 Differential amplifier circuit
Aspects of the invention include a differential amplifier circuit with a differential amplifier operated with a first power supply voltage applied thereto to...
US-9,484,872 Amplifier circuit with static consumption control and corresponding control method
An amplifier circuit may include an input amplification stage comprising a first amplifier having first and second differential inputs and a first output, and a...
US-9,484,871 Complex bandpass filter having a transfer function with two poles
In some implementations, a filter circuit includes a first signal path that includes a first amplifier and a second signal path that includes a second...
US-9,484,870 Semiconductor integrated circuit device
A device includes an operational-amplifier including an amplifier-part amplifying signals and transmitting amplified signals to a first and a second nodes, and...
US-9,484,869 Tube amplifier systems and related methods
An amplifier stage module circuit has a tube connected with an anode section, a grid section, a cathode section, and an attenuator section. The amplifier stage...
US-9,484,868 Distortion compensation apparatus and wireless communication apparatus
Distortion is effectively reduced in a wide frequency band of an output signal from an amplifier. A distortion compensation apparatus includes: a distortion...
US-9,484,867 Wideband low-power amplifier
An amplifier is provided that includes a differential pair of transistors configured to steer a tail current responsive to a differential input voltage. The...
US-9,484,866 Doherty power amplifying circuit and power amplifier
A Doherty power amplifying circuit includes at least two asymmetrical two-branch power devices. Each of the asymmetrical two-branch power devices includes two...
US-9,484,865 Reconfigurable load modulation amplifier
A reconfigurable load modulation amplifier having a carrier amplifier and a peak amplifier that are coupled in parallel is disclosed. The peak amplifier...
US-9,484,864 Doherty amplifier
A Doherty amplifier (300) is provided, it comprises: a main amplifier (301) and a peak amplifier (302); a first microstrip (303) with .lamda./4 electric length...
US-9,484,863 Amplifier circuit and method
First and second amplifiers are respectively coupled to first and second lines, each having first and second portions. An auxiliary amplifier has an output...
US-9,484,862 Device and method for bias control of class A power RF amplifier
A circuit and technique are provided to control bias setting to an FET based common source RF amplifier that can operate with large signals present. The circuit...
US-9,484,861 Method for system level oriented load-pull-based envelope tracking power amplifiers
The method for system level oriented load-pull-based envelope tracking power amplifiers includes steps of performing a multi-dimensional load-pull and selecting...
US-9,484,860 Tracking power supply with increased boost capability
A tracking power supply for one or more amplifiers includes one or more cascaded sets of power boost circuits to temporarily boost the positive and/or negative...
US-9,484,859 Modulation circuit and operating method thereof
A modulation circuit includes a phase locked loop (PLL) circuit, a scalar circuit and a sigma-delta modulator. The PLL circuit is for generating an output...
US-9,484,858 Inductive coupled pass transistor quadrature voltage controlled oscillator
A quadrature voltage controlled oscillator (QVCO) for providing an oscillating output signal. The QVCO includes a first oscillating circuit for producing a...
US-9,484,857 Semiconductor circuit device, electronic device, electronic apparatus, and moving object
A semiconductor circuit device includes: a semiconductor substrate; and a first circuit block including an analog circuit as a component, a second circuit block...
US-9,484,856 Oscillator startup
A modulated signal based on a low-precision, fast startup oscillator is provided to a circuit with a high-precision, slow startup oscillator. The frequency of...
US-9,484,855 System and methods for correcting clock synchronization errors
Clock synchronization error is corrected or minimized by fitting a parabolic f(T) function to the crystal's data, and compensating for sampling period drift in...
US-9,484,854 Apparatus and method for providing oscillator signals
An apparatus for providing oscillator signals includes an oscillator circuit configured to generate a first oscillator signal with a first oscillator signal...
US-9,484,853 Panel mounting bracket assembly including an adjustable height extension device and related methods
A system for mounting at least one solar panel on a building may include at least one panel mounting bracket including a base to be positioned on the building,...
US-9,484,852 High power low voltage electrified powertrain
An electrified powertrain includes an electric motor having four or more coils corresponding to four or more AC phases and configured to generate drive torque...
US-9,484,851 Technique for correcting resolver offset
Disclosed is a technique of correcting a resolver offset by measuring and correcting an offset of a resolver assembled to a motor of an eco-friendly vehicle in...
US-9,484,850 Voltage regulator and methods for simulating reactive power in parallel power generation systems
Systems, methods, and a voltage regulator are provided for tuning reactive droop compensation of a generator in a parallel power generation system. The voltage...
US-9,484,849 Sensorless BEMF measurement in current-controlled brushless motors
A method for determining a reserve torque in an electronically-switched drive mechanism, specifically a pulse motor for a headlamp beam adjustment system, based...
US-9,484,848 Motor controller
The motor controller includes: a current detection section that detects a current between a battery and an inverter circuit generating a voltage applied to a...
US-9,484,847 Method of controlling a permanent magnet motor and corresponding system
A method for controlling a motor propulsion unit including a motor including a permanent magnet rotor and a stator, the method including regulating currents of...
US-9,484,846 Drive system with combined actuation of brake and encoder
A drive system includes a line assembly configured to connect a power converter to an electric motor which has a brake and an encoder. The line assembly has at...
US-9,484,845 Motor control device, motor control method, and computer-readable storage medium
A motor control device includes a detecting unit configured to detect rotation of a motor to be controlled and output a rotation detection value related to the...
US-9,484,844 Circuit and method for reducing inrush current of phase converter motor
A method and circuit for starting a three-phase motor in a manner that reduces inrush current normally associated with starting an AC motor. The method uses the...
US-9,484,843 Electric circuit with power amplifier for piezoelectric actuators
An electric circuit with one power amplifier (V1) for at least two piezoelectric actuators (C1, C2), said piezoelectric actuators (C1, C2) being in preferably...
US-9,484,842 Segmentally structured disk triboelectric nanogenerator
A generator includes a disc shaped first unit, a disc shaped second unit and an axle. The first unit includes a substrate layer, a double complementary...
US-9,484,841 Inverter device
A switching power supply device equipped with an inverter device includes a transformer including a primary winding and a secondary winding, which are...
US-9,484,840 Hybrid zero-voltage switching (ZVS) control for power inverters
A power inverter combination includes a half-bridge power inverter including first and second semiconductor power switches receiving input power having an...
US-9,484,839 Power converter, power generating system, apparatus for controlling power converter, and method for controlling...
A power converter according to one embodiment includes a controller that switches between a boosting operation in a boost circuit and a pulse-width modulation...
US-9,484,838 Inverter and power supplying method thereof and application using the same
An inverter and a power supply method thereof and an application thereof are provided. The inverter includes a DC-DC conversion circuit, an inverting circuit...
US-9,484,837 Switching branch for three-level inverter and method for controlling switching branch of three-level inverter
A switching branch for a three-level inverter, comprising a first and second switch (S1, S2) in series between a positive DC pole (P) and an AC pole (AC), a...
US-9,484,836 Inverter that converts DC power into AC power
An inverter converts a direct-current (DC) power supplied from different DC power supplies into an alternate-current (AC) power formed by a quasi sinusoidal...
US-9,484,835 Modified voltage source converter structure
The invention concerns a voltage source converter (26) comprising a group of phase legs, at least three connection terminals (AC1, AC2, AC3, DC+, DC-) for...
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