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Patent # Description
US-9,941,843 Amplifier dynamic bias adjustment for envelope tracking
An envelope tracking amplifier having stacked transistors is presented. The envelope tracking amplifier uses dynamic bias voltages at one or more gates of the...
US-9,941,842 Amplifier bias circuit
A power amplifier bias circuit having high dynamic range and low memory is disclosed. In an exemplary embodiment, an apparatus includes an output stage...
US-9,941,841 Clipping distortion mitigation systems and methods
An audio system includes a processor including an input configured to: receive a baseband audio signal and modulate the baseband audio signal to create a...
US-9,941,840 Fast pulse generator
A pulse generator is disclosed. The pulse generator can include a pulsed switch, such as a diode. The pulsed switched can be connected between an input source,...
US-9,941,839 Electronic component, electronic apparatus, and moving object
An electronic component includes a wiring substrate, a heating element, a first support, a second support, and a container. The heating element, the first...
US-9,941,838 Low voltage crystal oscillator (XTAL) driver with feedback controlled duty cycling for ultra low power
A low voltage crystal oscillator (XTAL) driver with feedback controlled duty cycling for ultra low power biases an amplifier for an XTAL in the sub-threshold...
US-9,941,837 Combinatorial flux adder for determining photovoltaic cell nonlinearity
A process for determining a nonlinear response of a photovoltaic cell that includes: producing a first set of first light pulses including a first light that...
US-9,941,836 Transient current protection device for electrical energy conversion systems connected to the power grid
The present invention relates to a transient current and voltage protection device for electrical energy conversion systems connected to the power grid,...
US-9,941,835 Manual snap-on photovoltaic mounting system for rapid installation of photovoltaic arrays onto metal roofs
A rapidly installable photovoltaic mounting system that can be manually snapped onto a first photovoltaic module and then lowered onto a trapezoidal metal roof...
US-9,941,834 Power conversion apparatus and air-conditioning apparatus including the power conversion apparatus
A power conversion apparatus, including: an MLC circuit configured to boost an input voltage from a three-phase rectifier; a smoothing capacitor configured to...
US-9,941,833 Converter for hybrid electric vehicle system
Provided is a converter for an HEV system. The converter includes a PCB, a PWM (IC) mounted on the PCB to output a plurality of PWM signals including a first...
US-9,941,832 Semiconductor device
A semiconductor device includes an H-Bridge driver. The H-Bridge driver includes a first island on which a first power transistor and a second power transistor...
US-9,941,831 Switched reluctance motor power estimation compensation for variable DC-link voltage
A control system for a switched reluctance (SR) motor includes a Direct Current (DC) power source, and an inverter. The control system includes a user interface...
US-9,941,830 Linear vibration modules and linear-resonant vibration modules
The current application is directed to various types of linear vibrational modules, including linear-resonant vibration modules that can be incorporated in a...
US-9,941,829 Method for controlling operating speed and torque of electric motor
Systems and methods for controlling the operating speed and the torque of an electric motor using an operational model are described. An operational model for...
US-9,941,828 System and method for stabilizing sub-synchronous interaction of a wind turbine generator
The present disclosure is directed to a system and method for stabilizing sub-synchronous interaction (SSI) of a wind turbine generator connected to a power...
US-9,941,827 High voltage DC power generating system including selectively removable neutral node
A high voltage DC electric power generating system includes a poly-phase permanent magnet generator having at least one control winding and a plurality of power...
US-9,941,826 Motor drive control device
A motor drive control device drives a motor including a plurality of phase coils and a rotor rotatably supported with respect to the plurality of phase coils,...
US-9,941,825 Motor control system and method with adaptive flux linkage estimation
A chiller system includes a compressor configured to circulate a refrigerant between an evaporator and a condenser in a closed refrigerant loop and a...
US-9,941,824 Electric working machine and method for detecting rotational position of rotor of brushless motor for electric...
An electric working machine according to one aspect of the present disclosure comprises a brushless motor, a rotational position sensor, a detector, and a...
US-9,941,823 Motor control device
This disclosure discloses a motor control device configured to control a motor. The motor control device includes an inverter part, a gate driving circuit, a...
US-9,941,822 Generator and method for converting vibrational energy into electrical energy
Disclosed is an electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising: a...
US-9,941,821 Piezoelectric transducer for an energy-harvesting system
A piezoelectric transducer for energy-harvesting systems includes a substrate, a piezoelectric cantilever element, a first magnetic element, and a second...
US-9,941,820 Force modification system for wave energy convertors
A device for generating electrical energy from mechanical motion includes a buoy housing and at least one force modifier disposed at least partially within the...
US-9,941,819 Piezoelectric motor, drive circuit, and drive method
A piezoelectric motor includes a rotating body, a piezoelectric actuator including a protruding section having contact with the rotating body, and adapted to...
US-9,941,818 Micro inchworm-type piezoelectric-driven rotating joint mechanism
A micro inchworm-type piezoelectric-driven rotating joint mechanism includes a U-shaped base, bearing pedestals, bearing brackets, bearing rings, piezoelectric...
US-9,941,817 Ultrasonic transducer and ultrasonic diagnostic equipment using the same
High transfer sound pressure and high reception sensitivity are realized, and reliability is improved in terms of long term operation, in a capacitive...
US-9,941,816 H-bridge bidirectional current sensing circuit
A bidirectional current sensing circuit includes: a sensing resistor coupled between a load and a reference ground, a first and second auto-zero amplifiers...
US-9,941,815 Power conversion apparatus with overcurrent simulating circuit
An object of the invention is to diagnose whether an overcurrent detecting function with respect to a power semiconductor element of a power conversion...
US-9,941,814 Method for detecting islanding in grid connected power generation systems and related DC/AC converter apparatus
Method for detecting an islanding condition of a grid connected energy conversion system and related DC/AC converter apparatus, adapted to optimize performance...
US-9,941,813 High frequency multi-level inverter
A multi-level inverter having at least two banks, each bank containing a plurality of low voltage MOSFET transistors. A processor configured to switch the...
US-9,941,812 Power conversion apparatus
A power conversion apparatus can receive an alternating current (AC) signal at an input and provide in dependence thereon a low voltage direct current (DC)...
US-9,941,811 Load control device for high-efficiency loads
A load control device for controlling power delivered from an AC power source to an electrical load includes a thyristor, a first current path for conducting...
US-9,941,810 Power conversion device for converting AC power into DC power
A power conversion device includes a rectifier circuit that converts an AC power from an AC power supply, into a DC power, a short-circuit unit that...
US-9,941,809 Inverter device
An inverter device includes an inverter device body portion and a protective cover that covers the inverter device body portion, and the protective cover...
US-9,941,808 Smart power delivery system and related method
According to one disclosed embodiment, a smart power delivery system includes a power conversion unit having a communication module and a power management...
US-9,941,807 Power conversion apparatus and air conditioner including the same
A power conversion apparatus includes a rectifier to rectify a voltage of an input alternating current (AC) power source and a voltage drop device to output a...
US-9,941,806 Modulation method for the boost converter operating mode of a push-pull converter
The invention relates to a method for modulating the boost converter operating mode of a push-pull converter having a low-voltage-side circuit, having a first...
US-9,941,805 Frequency and duty cycle strategies for DC/DC converters
A method for controlling a DC/DC converter includes the steps of: controlling and keeping an output voltage of the DC/DC converter to stabilize at a first value...
US-9,941,804 Power supply system
A power supply system having an adapter and a converter is provided. The adapter includes a first inputting terminal coupled to a first power and a first...
US-9,941,803 Controller IC device for a switched mode power converter and method for operating a controller IC device of a...
Embodiments of a controller integrated circuit (IC) device for a switched mode power converter and a method of operating a controller IC device of a switched...
US-9,941,802 Insulated DC/DC converter
A primary-side controller comprises a feedback (FB) terminal coupled to a light-receiving element of a photocoupler so as to receive a feedback signal from the...
US-9,941,801 Switched mode AC-DC converter
A class of switching power supplies that use a resonant isolation stage (typically LLC) fed directly or via a diode bridge from the line. Extension of the range...
US-9,941,800 Measuring input voltages from reference windings of power converters with limited on-time
The disclosed embodiments provide a system that operates switched-mode power supplies, such as flyback converters. The power supplies may comprise isolated or...
US-9,941,799 Cascade power system with isolated Class-E resonant circuit
A cascade power system includes a non-isolated buck converter in cascade with an isolated Class-E resonant circuit, where the Class-E resonant circuit operates...
US-9,941,798 Switched-mode power conversion
In accordance with an embodiment, a method of operating a switched-mode power converter includes defining at least one of a minimum switching frequency...
US-9,941,797 Switch control circuit and power supply device including the same
The power supply device includes a power switch, a rectification diode which rectifies a supplied current in accordance with a switching operation of the power...
US-9,941,796 Control circuit for an interleaved switching power supply
In one embodiment, a control circuit configured for an interleaved switching power supply having first and second voltage conversion circuits, can include: a...
US-9,941,795 Circuits and method for extracting average load current in DC-DC switching converters
An average load current calculator circuit configured for determining an average load current within an at least one phase switch mode power converter (SMPC)...
US-9,941,794 Method for reducing spurious emissions from a voltage converter with clocked power switches
In order to reduce spurious emissions of a current converter or voltage converter having at least one power switch which is actuated with an actuating signal,...
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