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Patent # Description
US-1,020,5446 Semiconductor device
A semiconductor device includes a gate terminal, a ground terminal, a power-supply terminal, and a source terminal. The semiconductor device includes a first...
US-1,020,5445 Clock duty cycle correction circuit
A duty cycle correction (DCC) circuit includes first and second pluralities of logic gates, a low pass filter, an error amplifier, and a differential amplifier....
US-1,020,5444 PWM control method for five-level inverting circuit, control circuit and inverter
A pulse width modulation (PWM) control method for a five-level inverting circuit is provided. The five-level inverting circuit includes a first capacitor, a...
US-1,020,5443 Phase interpolator and clock generating method
A phase interpolator includes a current generating circuit, a current controlling circuit and a signal generating circuit, wherein the current generating...
US-1,020,5442 Galvanically isolated data isolator with improved common mode transient rejection
A transformer based digital isolator is provided that has improved immunity to common mode interference. The improved immunity is provided by placing the...
US-1,020,5441 Level shifter having constant duty cycle across process, voltage, and temperature variations
A level shifter includes a level shifting circuit, a variable bias voltage generator, and a bias voltage generator controller. The level shifting circuit is...
US-1,020,5440 Retention flip-flop circuits for low power applications
Two retention flip-flop topologies that utilize a data retention control circuit and a slave/retention latch (sub-circuit) to reliably retain a data bit during...
US-1,020,5439 Digital step attenuator with reduced relative phase error
An apparatus for selectively providing attenuation with minimal relative phase error. A Digital Step Attenuator (DSA) is implemented on an integrated circuit...
US-1,020,5438 Adjustable low-pass filter in a compact low-power receiver
According to one embodiment, a compact low-power receiver comprises first and second analog circuits connected by a digitally controlled interface circuit. The...
US-1,020,5437 High-frequency switch module
A high-frequency switch module includes a switch element, a filter element, an inductor, and first and second transmission conductors. The switch element...
US-1,020,5436 High-voltage converter based tuning of acoustic filters
Embodiments of an acoustic wave filter system that includes at least one acoustic wave filter and acoustic wave tuning control circuitry are disclosed. The...
US-1,020,5435 Surface acoustic wave device
A surface acoustic wave device includes a piezoelectric substrate, a dielectric film, IDT electrodes, and a resin member. The surface acoustic wave device...
US-1,020,5434 Piezoelectric resonator unit and method of manufacturing the same
A piezoelectric resonator unit that includes a piezoelectric resonator, a substrate including a protruding portion, and a cap joined to the protruding portion....
US-1,020,5433 Elastic wave device
An elastic wave device includes a substrate including a piezoelectric material layer and an IDT electrode on the piezoelectric material layer. The IDT electrode...
US-1,020,5432 Piezoelectric thin film resonator, filter, and duplexer
A piezoelectric thin film resonator includes: a piezoelectric film located on a substrate, and formed of stacked lower and upper piezoelectric films; lower and...
US-1,020,5431 Nonvolatile memory device, memory system including the same and method of operating the same
A nonvolatile memory device includes a first memory structure. The first memory structure includes first through N-th memory dies that may be connected to an...
US-1,020,5430 Resonator circuit having greater degrees of freedom, filter with improved tunability, and duplexer with...
A resonator circuit, a filter with improved tunability, and a duplexer with improved tunability are disclosed. In an embodiment, the resonator circuit includes...
US-1,020,5429 Output-noise reduction device
An object is to provide an output-noise reduction device that can prevent noise from an electronic device accommodated in a metal casing from being transmitted...
US-1,020,5428 Variable audible-alert device
A method and device for variable audible-alerts based on a vehicle environment are disclosed, in which vehicle sensor data relating to a vehicle environment may...
US-1,020,5427 Multi-way power amplifier circuit
A multi-way power amplifier circuit includes two baluns and a number (2.times.N) of differential power amplifiers, where N.gtoreq.2. Each balun generates a...
US-1,020,5426 Multistage amplifier linearization in a radio frequency system
A linearization circuit reduces intermodulation distortion in an amplifier that includes a first stage and a second stage. The linearization circuit receives a...
US-1,020,5425 Variable gain low noise amplifier
LNA circuitry includes an input node, and output node, a primary amplifier stage, a first ancillary amplifier stage, and an input gain selection switch. The...
US-1,020,5424 Composite power amplifier
A composite power amplifier for amplification of an input signal into an output signal is disclosed. The composite power amplifier comprises an input port for...
US-1,020,5423 Rail-to-rail source follower
A source follower method, system, and apparatus provide rail-to-rail capability to an output voltage terminal of a voltage follower feedback biased CMOS output...
US-1,020,5422 System and method for a voltage controlled oscillator
In accordance with an embodiment, a voltage controlled oscillator (VCO) includes a VCO core having a plurality of transistors and a varactor circuit that has a...
US-1,020,5421 Photovoltaic modular system
A photovoltaic modular system is disclosed. One or more photovoltaic (PV) modules are connected together with embedded parallel wiring that facilitates the...
US-1,020,5420 Photovoltaic module and photovoltaic system comprising the same
A photovoltaic module and a photovoltaic system including the same are disclosed. The photovoltaic module includes a solar cell module, a converter unit to...
US-1,020,5419 Railless solar module installation systems and devices
Devices and system for installing solar modules for the generation of solar power are disclosed. One device could be a mid-mount assembly having a module sleeve...
US-1,020,5418 Attachment system and nut for solar panel racking system
An attachment system for a solar panel racking system is provided. The attachment system comprises a rail, a nut and a fastener. The rail includes a receiver to...
US-1,020,5417 Automated commissioning and inspection for PV systems
An electric system includes a local power controller and solar panel system that includes a plurality of solar modules on one or more branch circuits. A method...
US-1,020,5416 Electric driving apparatus and electric power steering apparatus
A control unit for driving a motor mainly includes an input circuit for inputting various kinds of information pieces, an output circuit for driving the coil...
US-1,020,5415 Multiple generator synchronous electrical power distribution system
A power system includes a bus, a first controller and one or more second controllers. The first controller is configured to excite a first generator to generate...
US-1,020,5414 Systems and methods for adjusting operations of a gas turbine following a transient event
A method may involve monitoring a first set of electrical properties associated with an electrical grid configured to couple to a generator and determining...
US-1,020,5413 Magnetic sensor integrated circuit, motor assembly and application device
A magnetic sensor integrated circuit, a motor assembly and an application device are provided. The integrated circuit includes a housing, a semiconductor...
US-1,020,5412 Motor driving circuit and motor component
A motor driving circuit and a motor component are provided. The motor driving circuit includes a bidirectional alternating current switch connected in series...
US-1,020,5411 Control method for starting a synchronous electric motor
A control method implemented in a variable speed drive for starting a synchronous electric motor, said method including the application, as input, of a...
US-1,020,5410 Insulating sheet having electrostatic charges causing attraction
Disclosed is a sheet repositionable that is attracted to a nearby object by electrostatic charges. The sheet requires no pressure sensitive adhesive to stick to...
US-1,020,5409 Power generating tile assembly
A power generating tile assembly includes a tile cover plate that is coupled to a rigid base plate to define an interior region therebetween. The tile cover...
US-1,020,5408 Converter for converting energy to be recovered and electricity generator
A converter including a transducer layer which moves anchoring points to deform a piezoelectric diaphragm by bending. The converter includes a rigid arm between...
US-1,020,5407 Inverter device, energy storage system and method of controlling an inverter device
An inverter device, an energy storage system comprising such an inverter device, and a method of controlling such an inverter device are provided. The inverter...
US-1,020,5406 Passive boost network and DC-DC boost converter applying the same
A passive boost network configured to boost and output an AC power signal having a predetermined frequency, can include: an input port; an output port...
US-1,020,5405 Turn-off overvoltage limiting for IGBT
A turn-off overvoltage limiting for IGBT is described herein. The injection of a sample of the overvoltage across the IGBT in the gate drive to slow down the...
US-1,020,5404 Power converter control system and method
A power converter control system includes a first power converter, at least one additional power converter, a first control module, and an additional control...
US-1,020,5403 Cascaded H-bridge inverter and method for handling fault thereof
A cascaded H-bridge inverter and a method for handling a fault thereof are provided. An output voltage or an output power of each of N solar panels is detected...
US-1,020,5402 Power conversion device for converting power between a DC circuit and an AC circuit by performing a non-linear...
In a control device of a power conversion device, an AC control portion generates a first voltage command value representing an AC voltage component to be...
US-1,020,5401 Controllers for regulated power inverters, AC/DC, and DC/DC converters
The present invention relates to methods and corresponding apparatus for regulation, control, and management of DC-to-AC, AC-to-DC, and/or DC-to-DC switching...
US-1,020,5400 Stacked switched capacitor energy buffer circuit
SSC energy buffer circuit includes a switching network and a plurality of energy storage capacitors. The switching network may operate at a relatively low...
US-1,020,5399 Switching strategy for increased efficiency of power converters
Systems and methods for operating a power converter are provided. A DC to AC converter can include an inner converter and an outer converter. The inner...
US-1,020,5398 Very high efficiency one stage isolated power factor correction circuit
In this invention we introduce the concept of a fundamental switching cell with complimentary switchers s and a controlled dead time which is one of the...
US-1,020,5397 Soft switching on all switching elements converter through current shaping "bucharest converter"
A method is shown to create soft transition in selected topologies by controlling and designing a current pulse injection in front of the output choke to...
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