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Patent # Description
US-1,023,6842 Voltage detector circuit
A circuit includes an amplifier having a first power terminal configured to be coupled to a supply voltage and a second power terminal configured to be coupled...
US-1,023,6841 Differential amplifier
A differential amplifier includes a pre-driver stage, an input balun, a matching network, a differential transistor pair, a bias network and an output balun. An...
US-1,023,6840 Transadmittance amplifier
Embodiments describe a transadmittance amplifier comprising an inverting output port and a non-inverting output port. The transadmittance amplifier comprising a...
US-1,023,6839 Outphased spatial combiner
Spatially combining signals may include receiving a number of RF input signals at a number of RF input connectors. At least one of the RF input signals is a...
US-1,023,6838 Multi-power amplification
An amplification circuit includes: an input stage including a driver; a transformer that includes a primary winding and a secondary winding, the primary winding...
US-1,023,6837 Circuits, devices and methods for reducing co-channel interference
Circuits, devices and methods are disclosed, including radio-frequency circuitry comprising a polar modulator configured to invert a sampled transmitted signal...
US-1,023,6836 Tuned amplifier matching based on band switch setting
Methods and devices for tuning a configurable amplifier of a multi-band RF front-end stage based on a setting of a band switch are described. A lookup table...
US-1,023,6835 Methods and devices for ramping a switched capacitor power amplifier
A method for ramping a switched capacitor power amplifier is disclosed, where the switched capacitor power amplifier comprises a plurality of capacitors in a...
US-1,023,6834 Power amplifier module
A power amplifier module includes an amplifier that amplifies an input signal and outputs the amplified signal, a harmonic termination circuit that is disposed...
US-1,023,6833 RF amplifier with dual frequency response capacitor
An RF package includes a metal flange, an RF input lead, an RF output lead, and an electrically conductive die attach area. An RF transistor that is configured...
US-1,023,6832 Audio system
An audio system includes a reference voltage generation circuit to generate a digital encoding signal and generate an analog reference voltage according to the...
US-1,023,6831 Envelope trackers providing compensation for power amplifier output load variation
Envelope trackers providing compensation for power amplifier output load variation are provided herein. In certain configurations, a radio frequency (RF) system...
US-1,023,6830 Signal processing system and method thereof
A signal processing system and method is disclosed, applicable to environment providing voltage to Class-H driver. When using the signal processing system, the...
US-1,023,6829 Dynamic error vector magnitude duty cycle correction
Aspects of this disclosure relate to dynamic error vector magnitude (DEVM) compensation. In one embodiment, an apparatus includes an amplifier, a low pass...
US-1,023,6828 Power amplifier
A power amplifier has improved power added efficiency at high output power. The power amplifier includes: a first transistor for amplifying an input signal...
US-1,023,6827 Offset calibration for amplifier and preceding circuit
A method may include, in an apparatus comprising a closed loop amplifier and a signal processing block configured to generate an amplifier input signal as a...
US-1,023,6826 Low power high dynamic range active mixer based microwave downconverter with high isolation
A down converter, including first and second biasing circuits, mixer, and transformer coupled to receive amplifier output signal. The first and second biasing...
US-1,023,6825 Bipolar junction transistor based switched capacitors
A switched capacitor is provided. The switched capacitor includes a pair of parallel component stacks. Each stack is connected to a common top node and a common...
US-1,023,6824 Ultra-low power voltage controlled oscillator
A voltage controlled oscillator ("VCO") circuit is disclosed. The VCO includes a switch module comprising a first transistor and a second transistor; a first...
US-1,023,6823 Solar battery module
Disclosed is a solar cell module. The solar cell module includes a support substrate; a plurality of solar cells on a front surface of the support substrate; a...
US-1,023,6822 Method and apparatus for calibrating a micro-concentrator solar array
A method and apparatus for calibrating a reflector in a solar array. A switch device is switched from a first state to a second state. A calibration voltage is...
US-1,023,6821 Mounting apparatus to secure solar panel rails to S-tile roofs
A mounting apparatus to secure a pair of solar panel rails to a S-tile roof and minimize penetrations or damage to the roof's rafter is provided. The mounting...
US-1,023,6820 Modular photovoltaic light and power cube
Submitted is a modular stationary portable photovoltaic solar powered electrical generation, storage and supply device and light tower. The device consists of...
US-1,023,6819 Multi-voltage battery pack
A multi-voltage battery pack for use with tools of different operating voltages including a housing, a first string of battery cells arranged in electrical...
US-1,023,6817 Integrated control architecture and method for a bi-directional AC-to-AC converter
A method and system for controlling power transfer includes the operations of receiving a power transfer value indicating a power level to be transferred either...
US-1,023,6816 Motor inverter
A motor inverter includes an inverter circuit having a plurality of switching elements, a capacitor, a precharge closing an opening and closing part, a...
US-1,023,6815 Sensor error detection and correction
Electric motors may include one or more sensors usable to determine rotor alignment and/or speed. A method and apparatus for rotor alignment and/or speed error...
US-1,023,6814 Motor controller and method for controlling motor
A motor controller includes an inverter including circuitry which supplies power to a motor, and a controller including circuitry which controls the inverter...
US-1,023,6813 Method and device for detecting a control method of an inverter
The invention relates to a method for detecting a control method of an inverter (11) for supplying current to an electric machine (1), in particular a...
US-1,023,6812 Stray magnetic field compensation for a rotor position sensor
A method may be used to error compensate a measurement of an electric motor's rotor position in a power steering system of a motor vehicle. The electric motor...
US-1,023,6811 Method of realizing single direction chaotic rotation speed of permanent magnet synchronous motor
A method of realizing single direction chaotic rotation speed of permanent magnet synchronous motor is provided powered by a three-phase full-bridge inverter.
US-1,023,6810 Monitoring of a DC-link of a split wind-turbine-converter system
A method of monitoring a split wind-turbine-converter system with at least one generator-side converter and at least one grid-side converter arranged at distant...
US-1,023,6809 Method and device for operating an electric machine
A method for operating an electric machine, in which a control device assigned to the electric machine is used to switch currents of winding phases of the...
US-1,023,6808 Systems and methods for determining motor parameters
The present disclosure provides a system and method to determine at least one parameter of a motor, such as an inductance. The inductance can be determined,...
US-1,023,6807 Shift range controller
A shift range controller includes a target angle setter obtaining, from an output shaft sensor, sensor signals provided by switches. The target angle setter...
US-1,023,6806 Power module, power module group, power output stage, and drive system comprising a power output stage
The present disclosure relates to electric motors. The teachings thereof may be embodied in a power module, e.g., a power module for the delivery of a phase...
US-1,023,6805 Methods and systems for controlling an electric motor
Methods and systems for controlling an electric motor are provided. An electric motor controller is configured to be coupled to an electric motor. The...
US-1,023,6804 Motor driving control device and motor driving control method
The control circuit includes a current detecting part detecting a driving current of the motor, a set duty generating part generating a set duty for outputting...
US-1,023,6803 Hybrid-vehicle variable-voltage traction motor drive
A method is provided for controlling a traction motor for an electrified vehicle, wherein the motor is driven by a pulse-width modulated inverter. A drive...
US-1,023,6802 Adaptive regeneration systems for electric vehicles
Systems and methods are disclosed for adaptive regeneration systems for electric vehicles. In one embodiment, an example method may include determining, by an...
US-1,023,6801 Door closer system
A door closer system is provided that includes a motor, a spring, a reduction gear set, and a rack and a pinion mechanism. The spring and pinion may be coupled...
US-1,023,6800 Electronically controlled switch for an electric motor
A system in which the operation of an electric motor is controlled by electronically controlled switches. The system includes the motor having a run winding and...
US-1,023,6799 Driving circuit for piezoelectrically actuated pump
A driving circuit for a piezoelectrically actuated pump includes a boost converter, a control circuit and a voltage switch circuit. The boost converter outputs...
US-1,023,6798 Vibration actuator
A vibration actuator includes a vibrator including an electromechanical transducer and an elastic body, a vibrator fixing member configured to hold the...
US-1,023,6797 Ultrasonic motor
The invention relates to an ultrasonic motor, comprising a piezoelectric ultrasonic actuator (1) having four friction elements (4) disposed thereon, a friction...
US-1,023,6796 Single hybrid motor, dual hybrid motor and hybrid motor assembly
A single hybrid motor of the present invention has a rotor, a first stator, a first torsional vibrator, a first longitudinal vibrator, a first template, and a...
US-1,023,6795 Piezoelectric driving device for motor, motor, robot, and pump
Provided is a piezoelectric driving device for a motor including: a vibrating plate which includes a fixed portion and a vibrator portion in which a...
US-1,023,6794 Hybrid power generating device
A hybrid power generating device can include: a first substrate; a lower electrode layer disposed on the first substrate; a piezoelectric layer disposed on the...
US-1,023,6793 Grid connection power conversion device and output current control method thereof
A grid connection power conversion device for connecting a distributed power supply to a three-phase commercial power system is provided. The power conversion...
US-1,023,6792 Control system for power conversion apparatus
A first drive circuit Da includes a temperature information transmission unit that transmits a binary output signal changing between High and Low and an...
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