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Patent # Description
US-9,379,681 Rectifier circuit for monitoring DC offset of a single-supply audio power amplifier
An audio power amplifier arrangement includes an audio power amplification integrated circuit having two loudspeaker outputs. A rectifier circuit includes a...
US-9,379,680 Systems, methods, and apparatus for a power amplifier module
Systems, methods, and apparatus are disclosed for wideband power amplification in a platform, such as an airplane. An amplifier module may include a first...
US-9,379,679 Self-oscillating class-D amplifier and self-oscillating frequency control method for self-oscillating class-D...
A self-oscillation frequency varying element for varying the self-oscillation frequency of a self-oscillation loop of a self-oscillating class-D amplifier is...
US-9,379,678 Integrated directional coupler within an RF matching network
A directional coupler utilizes an inductive element of a power amplifier and a coupled conductive element. The inductive element of the power amplifier is a...
US-9,379,677 Bias circuit
A bias circuit includes a first p-n junction element supplied with a current by a first current source connected to a low-voltage side of the first p-n junction...
US-9,379,676 Circuitry and methods for common-mode rejection calibration
Circuitry and methods are disclosed that may employ common mode calibration circuitry configured to at least partially calibrate out impedance differences or...
US-9,379,675 Power detector with overdrive detection
Aspects of this disclosure relate to protecting a circuit, such as an amplifier, from transient overdrive events and/or average overdrive events. In one...
US-9,379,674 Transimpedance pre-amplifier with improved bandwidth
A transimpedance pre-amplifier (TIA) with an improved bandwidth. In the TIA, a feedback circuit is added to a regulated cascode structure to be connected in...
US-9,379,673 Distortion cancellation for dual stage carrier-aggregation (CA) low noise amplifier (LNA) non-linear second...
A device includes a main two-stage low noise amplifier (LNA) configured to amplify a carrier aggregation (CA) communication signal, the main two-stage LNA...
US-9,379,672 Differential current amplifier
A current amplifier is disclosed. The circuit has differential input and output and can be implemented in CMOS or bipolar integrated-circuit technologies. The...
US-9,379,671 Parallel correction amplifier
A power supply stage and a method of controlling the same comprising: a means for generating an intermediate supply signal in dependence on a reference signal...
US-9,379,670 Communications based adjustments of an offset capacitive voltage
A parallel amplifier and an offset capacitance voltage control loop are disclosed. The parallel amplifier has a parallel amplifier output, which is coupled to...
US-9,379,669 Method for class-B amplifier mismatch correction
A calibration solution for a power amplifier array comprising a plurality of amplifier cells is presented that improves the linearity and efficiency of the...
US-9,379,668 Envelope tracking circuits and methods with adaptive switching frequency
The present disclosure includes envelope tracking circuits and methods with adaptive switching frequency. In one embodiment, a circuit comprising an amplifier...
US-9,379,667 Multiple power supply input parallel amplifier based envelope tracking
A switch mode power supply converter and a parallel amplifier are disclosed. The switch mode power supply converter is coupled to a modulated power supply...
US-9,379,666 Microwave band booster rectifier circuit, and wireless tag device and wireless tag system employing same
In order to implement novel utilization methods, implementation of a low power consumption and high sensitivity RF receiving system is desired. A microwave...
US-9,379,665 Oscillator
A terahertz wave oscillator that oscillates includes a negative resistance element, a resonator including a first conductor, a second conductor, and a...
US-9,379,664 Reactance-less oscillator
A memristor-based oscillator can be fully implemented without any reactance element.
US-9,379,663 LC oscillator circuit with wide tuning range
In one example, an oscillator circuit includes: a master oscillator comprising a master LC tank coupled to a master active circuit, the master LC tank including...
US-9,379,662 System and method using temperature tracking for a controlled oscillator
A system using temperature tracking for a controlled oscillator (CO) is provided. The system includes at least one coarse tuning capacitor circuit including a...
US-9,379,661 Method and device for fully automatically selecting and packing photovoltaic modules
The disclosure relates to a method and to a device for fully automatically selecting and packing photovoltaic solar modules, for example, produced in mass...
US-9,379,660 Solar panel truss mounting systems and methods
An exemplary embodiment of the present invention provides a solar panel truss mounting system comprising a base and a truss assembly coupled to the base. The...
US-9,379,659 Lossless snubber drive for a permanent magnet synchronous motor
A loss-less snubber drive for a permanent magnet motor. The motor system includes a first motor phase with a primary winding and an auxiliary winding. A...
US-9,379,658 Apparatus for controlling induction motor
An apparatus for controlling an induction machine is disclosed, wherein a magnitude of a current outputted to the induction machine to an inverter is determined...
US-9,379,657 Unity power factor induction machine
A multi-phase voltage from a utility grid is applied to a first side of a plurality of open windings of a stator. A phase of the multi-phase voltage is...
US-9,379,656 Force feedback mechanism and related electronic device and operation method
A force feedback mechanism disposed inside a casing for vibration balance of the casing is disclosed in the present invention. The force feedback mechanism...
US-9,379,655 Method of field weakening control of permanent magnet motor drivers
A method for field weakening control of a three phase permanent magnet AC motor in a VFD drive. The VFD drive calculates the three phase voltages to be supplied...
US-9,379,654 Self-commissioning procedure for inductance estimation in an electrical machine
A method of estimating inductances and flux linkages of an electrical machine supplied with drive currents via current regulators. Drive current values are...
US-9,379,653 Dynamic pulse-width modulation motor control and medical device incorporating same
Apparatus are provided for motor control systems and related medical devices. In one embodiment, a control system includes a motor having a rotor, a sensor to...
US-9,379,652 Motor health monitoring and medical device incorporating same
Apparatus are provided for motor control systems and related medical devices. In one embodiment, a control system includes a motor having a rotor, a modulation...
US-9,379,651 Method and assembly for operating synchronous motors
A method is disclosed for operating a synchronous machine by way of a three-phase AC power controller, which is connected to a three-phase network. The...
US-9,379,650 Enhanced inductive sense using mutual inductance
Methods and apparatus for determining rotor position in a motor including a rotor and stator windings. The method includes measuring inductive sense values for...
US-9,379,649 Linear motor system
A linear motor system includes a stator, a mover, and a controller. The stator includes a plurality of armature coil units arranged so as to be spaced apart...
US-9,379,648 Processor, device, method and computer program to control an emergency operation of a multi-phase rotating...
Embodiments relate to a processor for controlling an emergency operation of a multiphase induction machine upon an interruption of a first phase current of a...
US-9,379,647 Motor driving control device and control method of motor driving control device
There is provided a motor driving control device including a state determining unit which determines whether a motor can perform a slow start operation based on...
US-9,379,646 Method and assembly for operating synchronous motors
A method is disclosed for operating a synchronous machine via a three-phase power controller including three semiconductor controllers and connected to a...
US-9,379,645 Acoustic turbine
A method and apparatus generates kinetic and electrical energy using sound waves and is believed to be particularly useful in high efficiency motors and...
US-9,379,644 Electroactive polymer (EAP)-based rotary motion devices
Rotary motion devices (10) are provided. In one embodiment, the rotary motion devices (10) may comprise: a mass (12); a circumferential component (14); a...
US-9,379,643 Electrosurgical generator controller for regulation of electrosurgical generator output power
An electrosurgical generator may reduce unintended tissue damage by improving regulation of output power. The electrosurgical generator may control the power...
US-9,379,642 Switched-mode power supply system and aircraft comprising such a system
An electric power supply system, comprising: a main switching cell (6) comprising a first main branch (14) and a second main branch (16) each including a main...
US-9,379,641 Energy recovery circuit for distributed power converters in solar cells
A method of operating an inverter device configured on a back plane of a solar module, the inverter device comprising an energy recovery circuit device coupled...
US-9,379,640 Scalable single-stage differential power converter
An embodiment of the invention is a scalable single stage differential power converter. The inverter can be implemented in signal, split and multi-phases. A...
US-9,379,639 Inverter system enabling self-configuration
A method of configuring an installed energy harvesting device to comply with a local grid connection standard is provided. The method identifies a local grid...
US-9,379,638 Semiconductor device which generates a DC power supply from an AC power supply
A semiconductor device comprising a rectifier circuit, wherein the rectifier circuit includes first and second input wires to which AC signals whose phases are...
US-9,379,637 Ultra high voltage regulator
An ultra high voltage regulator for converting includes a rectifying circuit, a first transistor, a second transistor, an output capacitor, a first resistor, a...
US-9,379,636 Current generator and method for generating current pulses
A method for generating current pulses and a current generator having a plurality of secondary stages. Each secondary stage has a DC voltage source and a...
US-9,379,635 System and method for converting a signal while maintaining electrical isolation
A detection circuit for converting a control signal while maintaining electrical isolation between a first ground and a second ground. The detection circuit...
US-9,379,634 Semiconductor device
A semiconductor device includes: a first output unit configured to output a first phase; a second output unit configured to output a second phase different from...
US-9,379,633 HVDC system and method to control a voltage source converter in a HVDC system
A method to control a voltage source converter (CON1; CON2) in a HVDC system comprises the step of controlling a frequency and a voltage amplitude of an AC...
US-9,379,632 Power converter and method for controlling same
A power converter 100 includes a DC capacitor C, semiconductor switch groups each of which includes semiconductor switches connected in series to each other,...
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