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Patent # Description
US-1,013,5395 Power amplifier circuit
A power amplifier circuit includes a first transistor, a second transistor, a first bias circuit supplying a first bias current or voltage, a second bias...
US-1,013,5394 Low voltage supply amplifier and amplification method
A high-gain, low power, electronic amplifier for amplification of a low magnitude voltage signal through a comparator-integrator amplification method for...
US-1,013,5393 Signal detector including a set of resistors and a collection unit for generating a detection signal
A signal detector includes a signal input terminal, N first resistors, (N-1) second resistors, a third resistor, M voltage-to-current units and a collection...
US-1,013,5392 Spin torque oscillator with high power output and its applications
The present invention relates to a spin torque oscillator with high power output and its applications. A spin torque oscillator may include a first magnetic...
US-1,013,5391 Oscillation circuit, electronic apparatus, and moving object
An oscillation circuit includes an oscillating circuit adapted to oscillate a resonator element, a capacitance circuit connected to the oscillating circuit, and...
US-1,013,5390 Periodic kick-starter for a crystal oscillator
A cyclical pulsing oscillator having a pulse repetition rate close to a crystal resonant frequency in an oscillator provides more useful start-up energy to the...
US-1,013,5389 Photovoltaic sleeve for street lights and the like
A photovoltaic panel system for assembly to an outdoor column which is ergonomic in design, modular in structure and has features of connection that are...
US-1,013,5388 Fluidic actuator system and method
A pneumatically actuated solar panel array system that includes a plurality of separate actuator assemblies that each have a top plate and bottom plate and a...
US-1,013,5387 Photovoltaic mounting system with sealant injector inlet
Photovoltaic mounting systems that form chemical flashings are provided herein. Such mounting systems can include a mounting plate adapted to interface with an...
US-1,013,5386 Sensing, interlocking solar module system and installation method
A solar module system is coupled directly to a fixed structure either individually or collectively as an array. Universal mounting brackets attached to the back...
US-1,013,5384 Systems and methods for implementing multiple motor control modes in a motor drive controller
A system may include a motor drive that controls one or more operations of a motor. The motor drive may include a first processor that controls the operations...
US-1,013,5383 Current sensing in electric machines
An electric machine includes a phase lead and a winding set with first and second windings. The first and second windings are connected to the phase lead and...
US-1,013,5382 Motor control device
A motor control device calculates a velocity difference based on a velocity command and a velocity detection value of a motor and an excitation current common...
US-1,013,5380 AC rotary machine control apparatus
An AC rotary machine control apparatus is provided with: predriver ICs for giving drive signals to the gates of power converting switching elements...
US-1,013,5379 State display device of industrial machinery and power conversion device
An LED indicator 4 connected to industrial machinery including an inverter 1, includes: an LED substrate 8 into which a display control signal according to a...
US-1,013,5378 V/F control method for suppressing current oscillation of induction motor
The present invention provides a V/F control method for an induction motor comprising: extracting a reactive current and an active current and performing a...
US-1,013,5377 Method and apparatus for operating an electric motor
Apparatus and methods of operating an electric motor are provided, comprising energizing a plurality of stator coils in sequence to rotate a rotor. Each said...
US-1,013,5376 Regenerative energy system for ground transportation vehicles
Present example embodiments relate generally to a ground transportation system for interacting with one or more vehicles, the vehicle comprising at least one...
US-1,013,5375 Rotation controller for AC electric motor and method for controlling rotation of the AC electric motor
A rotation controller for an AC electric motor includes a space vector generator, a current change ratio obtainer, and a rotational angle calculator. The space...
US-1,013,5374 Permanent magnet motor, position estimating device, and motor driving controlling device
To manufacture a permanent magnetic motor having saliency at a low cost, a permanent magnet motor includes a stator provided with an armature winding configured...
US-1,013,5373 Apparatus and method for controlling permanent magnet motor
An apparatus and a method for controlling a permanent magnet motor are provided. An apparatus for controlling a permanent magnet motor, according to an...
US-1,013,5372 Methods and apparatus for soft operation of transformers using auxiliary winding excitation
An apparatus includes a magnetizing circuit configured to be coupled to a transformer and to selectively provide a magnetizing current to the transformer and a...
US-1,013,5371 Door opening/closing device and door opening/closing method
A door opening/closing device includes: a motor; and a control unit that is configured to control a rotation rate of the motor by pulse-width modulation (PWM)...
US-1,013,5370 Interface circuit and electrical appliance system comprising the same
An interface circuit, including: a micro control unit (MCU), an isolated power supply, and a signal isolating circuit. The MCU, the isolated power supply, and...
US-1,013,5369 Linear hall effect sensors for multi-phase permanent magnet motors with PWM drive
Low cost linear Hall Effect sensors are used for determining motor shaft positions and generating voltages proportional to the motor shaft positions. The...
US-1,013,5368 Torque ripple cancellation algorithm involving supply voltage limit constraint
A system for reducing a torque ripple cancellation command is provided and includes a current regulator that provides motor voltage commands to a motor, and a...
US-1,013,5367 Integrated soft start and safety shutdown
The subject matter of this specification can be embodied in, among other things, a current control assembly that includes an electrical current flow path having...
US-1,013,5366 Electromagnetic field generator and method to generate an electromagnetic field
The electromagnetic field generator includes a shell, an electrostatic generator, a power plant, a thermoelectric generator, and an electric motor. The shell...
US-1,013,5365 Cantilever piezoelectric transducer
A piezoelectric transducer includes: an anchorage; a beam of semiconductor material, extending in cantilever fashion from the anchorage in a main direction...
US-1,013,5364 Systems and methods for generating high voltage pulses
A high voltage pulse generating system has a latching element coupled in between a ferroelectric generator (FEG) and a load, such as a vector inversion...
US-1,013,5363 Communication device and system
A communication device for a field device for transferring output information to a controller, including a passive digital output with a first connection point...
US-1,013,5362 Method for controlling a power conversion system
Described is a method for converting power including controlling operation of a plurality of series connected modules including a DC power sources and storage...
US-1,013,5361 Residential electrical energy installation
An improved residential electrical energy system is described based on the use of a smart load center or power distribution panel configured to select the use...
US-1,013,5360 Power converter
A third power supply circuit subjects a reference voltage to DC-DC conversion to generate a power supply voltage common to a second driver circuit for driving a...
US-1,013,5359 Hybrid full bridge-voltage doubler rectifier and single stage LLC converter thereof
A hybrid rectifier that works as either a hybrid full bridge or a voltage doubler. Under 220 V AC input condition, the hybrid rectifier operates in full bridge...
US-1,013,5358 Switching regulator operable to alter feedback based on load
A switching regulator has: a switching device; a rectifying device having the anode thereof connected to an output terminal from which an output voltage is...
US-1,013,5357 Threshold detection with tap
A controller for use in a power converter includes a power switch including a drain, a source, a control input, and a tap. The power switch includes a first...
US-1,013,5356 Power conversion apparatus
A power conversion apparatus includes a capacitor and a heat dissipation member for cooling the capacitor. The capacitor and the heat dissipation member are...
US-1,013,5355 Inverter DC bus bar assembly
Power inverter assemblies are provided herein for use with motor vehicles. An inverter assembly may have a symmetrical structure configured to convert DC input...
US-1,013,5354 DC-link reference voltage determination for wind turbine converter systems
A method of setting a reference DC-link voltage of a wind-turbine converter system is provided. At least at least one DC voltage demand from at least one...
US-1,013,5353 Unidirectional matrix converter with regeneration system
An AC-to-AC matrix converter includes a controlled rectifier input stage, an inverter output stage, and a regenerative unit. The controlled rectifier input...
US-1,013,5352 Controller for power converter with frequency modulated carrier
The present disclosure provides a controller for a power converter that converts input power to a prescribed form and outputs the power by switching a...
US-1,013,5351 Circuit and method for AC-to-AC voltage conversion
A circuit and method for converting an input AC voltage of a source to an output AC voltage of a destination is disclosed. The circuit may include a main switch...
US-1,013,5350 AC/DC converters with wider voltage regulation range
A converter is provided. The converter includes a first DC/DC converter, a non-isolated DC/DC converter and a control circuit. The first DC/DC converter...
US-1,013,5349 Power supply device and power supply method
A power supply device includes a first voltage conversion unit and a second voltage conversion unit. The first voltage conversion unit performs a step-down...
US-1,013,5348 LLC power converter and switching method thereof
In some embodiments, an inductor-inductor-capacitor (LLC) converter includes a transformer having a primary winding, a secondary winding, and an auxiliary...
US-1,013,5347 Switching power supply device
A switching power supply device includes a switching transistor, a sense resistor connected to the switching transistor in series and on which a sense voltage...
US-1,013,5346 Power supply regulation and bidirectional flow mode
A power converter circuit includes a transformer. The transformer includes a primary winding and a secondary winding. The power converter circuit uses energy...
US-1,013,5345 Current sensing in an electromagnetic component using an auxiliary winding stub
Many electronic devices, such as voltage converters, motors, etc., include electromagnetic components through which the current flow must be estimated. Such...
US-1,013,5344 Lossless snubber circuits
The combined voltage regulator and snubber circuit generally has a voltage regulator device in parallel with the energy storage element of the snubber circuit...
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