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Patent # Description
US-9,966,903 Doherty architecture for wideband power amplifier design
Embodiments of a Doherty amplifier device are provided, where the device includes a main amplifier that produces a first RF signal with a variable first output...
US-9,966,902 Multiple-band matching network for a Doherty power amplifier and amplifiers, transmitters, and base stations...
An apparatus includes a Doherty PA having an input, an output manifold, and peaking and main amplifier paths. The peaking amplifier path includes peaking...
US-9,966,901 Spin-torque oscillator based on easy-cone anisotropy
A spin-torque oscillator includes: a driving reference layer having a fixed magnetization; a nonmagnetic spacer layer; and a free layer having a changeable...
US-9,966,900 Apparatus for oscillator with improved precision and associated methods
An apparatus includes a first oscillator to generate an output signal that has a first frequency. The apparatus further includes a second oscillator to generate...
US-9,966,899 Systems and methods for controlling maximum power point tracking controllers
A method for testing a photovoltaic device electrically coupled to an input port of a maximum power point tracking (MPPT) controller, where the MPPT controller...
US-9,966,898 Building integrated photovoltaic system for tile roofs
Building integrated photovoltaic (BIPV) systems provide for solar panel arrays that can be aesthetically pleasing to an observer, with minimal visible...
US-9,966,897 System and method for heating ferrite magnet motors for low temperatures
A system and method for heating ferrite permanent magnets in an electrical machine is disclosed. The permanent magnet machine includes a stator assembly and a...
US-9,966,896 Motor drive device assembly including plurality of motor drive devices, and motor drive device including heatsink
A motor drive device assembly capable of suppressing differences in temperatures of motor drive devices depending on operational conditions. The motor drive...
US-9,966,895 Trolling motor and method for controlling a trolling motor
A method for controlling a trolling motor including a sonar transducer and an electric motor rotating a propeller includes providing a motor controller...
US-9,966,893 Single-shunt current sensing for multi-phase motor
A motor controller for providing a three-phase alternating current (AC) signal to a three-phase motor. The motor controller uses current feedback from a single...
US-9,966,892 Electronic magnetic bearing controller with an automatic reactive power compensation device
An electronic magnetic bearing controller for controlling the position of a rotor of an electrical machine supported by an active magnetic bearing the position...
US-9,966,891 System and method for controlling speed of electric motor
An electric motor is controlled using a feedback signal that includes an error between the measured current and the estimated current determined using the...
US-9,966,890 Detection of offset errors in phase current measurement for motor control system
A system for detecting offset error in a power steering system is provided. The system includes a programmable high pass filter module configured to filter a...
US-9,966,889 Optimized control for synchronous motors
Representative implementations of devices and techniques provide optimized control of a three-phase AC motor. A field oriented control (FOC) arrangement uses...
US-9,966,888 Damping system for a generator
A damping system can include a sensor disposed to measure an amplitude of a speed ripple of a drive shaft of a generator, and can include a feedforward circuit...
US-9,966,887 BLDC zero crossing with BEMF, gating, and tri-state detect circuitry
A back electromotive force (BEMF) zero cross may be detected in a brushless direct current (BLDC) motor that is controlled by pulse width modulation (PWM). A...
US-9,966,886 Method for determining the rotor position of a synchronous machine operated in field-oriented manner
A method for determining the rotor position of a synchronous machine operated in field-oriented manner, which has an effective inductivity that is dependent on...
US-9,966,885 Methods and systems for calibration of a motor
A method for calibrating a motor, the motor comprising a permanent magnet synchronous motor, is provided. The method generates a rotating magnetic field using a...
US-9,966,884 Method and device for determining the rotor position and speed of a rotating field machine
A method for determining the rotor position and the rotational speed of a rotating field machine, including, based on Hall sensor signals, a step of...
US-9,966,883 Magnetic sensor and an integrated circuit
The present teaching relates to a method/apparatus for a magnetic sensor. The apparatus of the magnetic sensor resides in a housing and includes an input port...
US-9,966,882 Current sensor error compensation
A control system for an electric motor comprises a current sensing means arranged to produce a current sensing output indicative of electric current in the...
US-9,966,881 Bluetooth motor controller, brushless direct current motor, and multi-motor system comprising the same
A motor controller, including: a Bluetooth communication unit and a motor control unit. The Bluetooth communication unit includes: a power supply part, a...
US-9,966,880 Power system and motor driving apparatus included in power system
A power system may include a first motor, a second motor connected in parallel to the first motor, a driver configured to supply a driving current to the first...
US-9,966,879 Thermal energy harvesting optimization with bistable elements and collaborative behavior
A system includes a hot source, a cold source, and a device thermally coupled between the hot source and the cold source. The device includes a ...
US-9,966,878 Method and modular system for a power system architecture
A method and modular system for assembling a power system architecture includes a direct current (DC) output module having a first DC input and a DC output, a...
US-9,966,877 Electric power conversion device
An electric power conversion device includes: a first switching element; a second switching element; a control device; a first temperature sensor; a second...
US-9,966,876 Voltage conversion device
A voltage conversion device includes a first conversion circuit, a second conversion circuit, a voltage detection circuit, and a CPU (failure detector). The...
US-9,966,875 Five-level topology units and inverter thereof
Five-level topology units and inverters based on the five-level inverter units without a boost circuit. Cost is reduced by using only one AC filtering inductor...
US-9,966,874 Power-cell switching-cycle capacitor voltage control for modular multi-level converters
In a modular multi-level power converter, additional switching states are interleaved between main switching states that control output voltage or waveform. The...
US-9,966,873 Active switching rectifier employing MOSFET and current-based control using a hall-effect switch
An active switching rectifier circuit uses a MOSFET and applies a current based control to turn the MOSFET on and off. The MOSFET has its source and drain...
US-9,966,872 Voltage rectifier with specific diode arrangement
The invention is directed to a voltage rectifier (23) comprising at least two diode arrays (33, 34, 35, 36) each comprising plural diodes (33a, 33b, 33p, 34a,...
US-9,966,871 Rectification device, alternator, and power conversion device
A rectifier including an autonomous type synchronous-rectification MOSFET is provided, which prevents chattering and through-current caused by a malfunction...
US-9,966,870 Power conversion device and drive device
To reduce the number of mounted components in the power conversion device and drive device. Each high-side transistor and low-side transistor has an EGE-type...
US-9,966,869 Modular high voltage supply system
A modular high voltage supply system has a mobile adapter transformer with a high-voltage output side and a low-voltage input side, electrical connecting...
US-9,966,868 Three-phase to nine-phase autotransformer
An autotransformer for converting three-phase AC power to nine-phase AC power. The autotransformer includes three coils each having serial connected windings...
US-9,966,867 Dead time compensation for synchronous rectifiers in adaptive output powers
A synchronous rectifier controller for an adaptive output power converter is provided. The synchronous rectifier controller includes a voltage detection...
US-9,966,866 Distributed power system, DC-DC converter, and power conditioner
A distributed power system that is connected to a utility grid during both daytime and nighttime includes a plurality of power supplies including a solar array,...
US-9,966,865 Power supply apparatus and image forming apparatus
The power supply apparatus includes a control unit that can perform intermittent operation of alternately repeating a switching period and a switching halt...
US-9,966,864 Electronic apparatus and control method of electronic apparatus
An electronic apparatus includes a converting circuit and a first control circuit. The converting circuit converts an input voltage to an output voltage. The...
US-9,966,863 Switching power-supply circuit
A switching power-supply circuit includes a second rectifying/smoothing circuit arranged to generate a second output voltage by rectifying and smoothing the...
US-9,966,862 Power supply system with photocoupler drive circuit
A switching power supply includes a first switching element connected between a primary winding of a transformer for the switching power supply and the ground,...
US-9,966,861 Active clamp converter and control method for the same
A control method for an active clamp converter has steps of: detecting a state of the load; when the state of the load is a light-load state, using a skipping...
US-9,966,860 Systems and methods for reducing standby power consumption of switch-mode power converters
Power conversion system and method. The system includes a first capacitor including a first capacitor terminal and a second capacitor terminal, a second...
US-9,966,859 MOSFET driver with reduced power consumption
A power supply can be operated in a low power mode by adjusting the pulses provided to a power supply switch until a pulse resulting in a reduced amount of...
US-9,966,858 DC-DC converting apparatus for obtaining a constant output voltage
A DC-DC converting apparatus for obtaining a constant output voltage includes a DC voltage source that outputs a DC power voltage, a main circuit that converts...
US-9,966,857 AC-to-DC power converter and control method and control integrated circuit thereof
An AC-to-DC power converter with a BJT as a power switch can set a base current of the BJT by a current setting resistor which is in the outside of a control...
US-9,966,856 Control method and control circuit for improving dynamic response of switching power supply
A method of controlling an isolated converter can include: (i) sampling and holding an output voltage of the isolated converter during a present switching cycle...
US-9,966,855 Systems and methods for real-time inductor current simulation for a switching converter
A switching converter having a high-side switching transistor and a low-side switching transistor and an inductor, having a circuit for generating a simulated...
US-9,966,854 Synchronous rectification control method and control circuit and switching voltage regulator
In one embodiment, a synchronous rectification control method can include: (i) setting or updating a count value when a rectification switch is turned on; (ii)...
US-9,966,853 Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode
The present disclosure eliminates the unwanted conduction of the body diode of the low side switch or the unwanted conduction of the low side switch in coupled...
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