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Patent # Description
US-9,768,748 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
The invention relates to the measurement and control of the perceived sound loudness and/or the perceived spectral balance of an audio signal. An audio signal...
US-9,768,747 Method and system for accurate gain adjustment of a transimpedance amplifier using a dual replica and servo loop
Methods and systems for accurate gain adjustment of a transimpedance amplifier using a dual replica and servo loop is disclosed and may include, in a...
US-9,768,746 User interfaces and related devices and systems
A user interface includes a rotatable ring for controlling a function on an associated device, and a support ring for supporting the rotatable ring. The support...
US-9,768,745 Arrangement and method for radio-frequency (RF) high power generation
A method and arrangement for RF high power generation includes a power combiner having RF inputs and an RF output, and at least two power amplifier modules,...
US-9,768,744 Cascode power amplifier stage using HBT and FET
A power amplifier comprising a bipolar transistor connected in cascode with a field effect transistor (FET) such as a pseudomorphic high electron mobility...
US-9,768,743 Memory effect reduction using low impedance cascode biasing
A circuit includes a reference voltage circuit, a filter circuit configured to receive an output of the reference voltage circuit, and a voltage follower...
US-9,768,742 Structure of an active CMOS pixel
The invention relates to a structure of an active pixel of the CMOS type (1) that comprises: at least one photodiode (10), characterized in that it comprises...
US-9,768,741 Method for improving circuit stability
A method for improving circuit stability is disclosed. In the method of the present invention, the circuit is analyzed to find the frequency band in which the...
US-9,768,740 Feedback compensation for multistage amplifiers
Feedback compensation for multistage amplifiers. In some embodiments, an amplifier can include a first stage, a second stage, and a third stage implemented in...
US-9,768,739 Digital hybrid mode power amplifier system
A RF-digital hybrid mode power amplifier system for achieving high efficiency and high linearity in wideband communication systems is disclosed. The present...
US-9,768,738 Power amplification circuit
A power amplification circuit includes: a first output transistor that has a power supply voltage supplied to its collector or drain, has a common emitter or...
US-9,768,737 Amplifier and radiation detector
In a preamplifier (amplifier) for the radiation detector, an interconnection layer connected to the bonding pad forms one electrode of a feedback capacitor....
US-9,768,736 Power amplifier cell
A power amplifier cell (401) comprising: a first power amplifier (410), a second power amplifier (416) and a balun (422). The balun (422) comprising: a first...
US-9,768,735 Amplifier circuit and method
An amplifier arrangement comprises N amplifier stages (10.sub.1 to 10.sub.N), wherein N is an integer equal or greater than four. The amplifier arrangement...
US-9,768,734 Efficient power amplification over large operating average power range
Embodiments of a Doherty power amplifier that maintain efficiency over a large operating average power range are disclosed. In one embodiment, the Doherty power...
US-9,768,733 Multiple input single output device with vector signal and bias signal inputs
Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then...
US-9,768,732 Asymmetric multilevel backoff amplifier with radio-frequency splitter
A radio frequency (RF) amplification system or transmitter includes one or more power amplifiers and a controller that is configured to adjust amplitudes and...
US-9,768,731 Linearity and noise improvement for multilevel power amplifier systems using multi-pulse drain transitions
Described embodiments provide a radio frequency (RF) amplifier system having at least one amplifier. The at least one amplifier includes an RF input port, an RF...
US-9,768,730 Amplification of a radio frequency signal
Apparatus (1) comprises envelope signal amplification circuitry (11) configured to receive an input envelope signal (ENV_in) indicative of an envelope of an...
US-9,768,729 Power amplifier
A power amplifier has improved power added efficiency at high output power. The power amplifier includes: a first transistor for amplifying an input signal...
US-9,768,728 Regenerative frequency divider
A regenerative frequency divider comprising an in-phase mixer circuit and a phase-shifted mixer circuit. At least one switching device of the in-phase mixer...
US-9,768,727 Variable duty-cycle multi-standard mixer
An adjustable mixer is disclosed that is capable of operating in different modes in order to satisfy the mixing requirement of multiple radio access...
US-9,768,726 Magnetoresistive mixer
A magnetoresistive mixer, comprising a spiral coil, a bridge-type magnetoresistive sensor and a magnetic shielding layer, wherein the spiral coil is located...
US-9,768,725 Redundant electrical architecture for photovoltaic modules
One example embodiment includes a PV module comprising a conductive backsheet, a substantially transparent front plate, a plurality of PV cells, a plurality of...
US-9,768,724 Carrier structure for solar panels and method of producing such a carrier structure
The invention relates to a carrier structure for solar panels. The invention also relates to a beam (3) for use in a carrier structure according to the...
US-9,768,723 Motor drive using capacitor
A motor drive of an embodiment of the present invention includes a PWM converter for converting AC power inputted from a low voltage AC power source into DC...
US-9,768,722 Reaction force counteracting device for a metrology tool
A reaction force counteracting device includes a mounting seat supported on a base seat by means of a vibration isolating assembly, a stage movably mounted on...
US-9,768,721 Mobile body and mobile body system
A mobile body of one embodiment moves along a magnetic pole path including a magnetic pole missing section, and includes a first linear motor, a drive...
US-9,768,720 Method and system for estimating operation parameters of a servomotor
A method for estimating operation parameters of a servomotor is described. The method includes the steps of: driving the servomotor to rotate stably at an...
US-9,768,719 Methods and apparatus for generating current commands for an interior permanent magnet (IPM) motor
In one aspect, an apparatus includes a motor and inverter configured to provide input power to the motor and a data store comprising at least one entry...
US-9,768,718 Motor control device, image forming apparatus, and non-transitory computer-readable medium
A motor control device includes a first control unit and a second control unit. The first control unit includes an issuing unit that issues a command that...
US-9,768,717 Method of driving brushless motors, corresponding device, motor and computer program product
A driver device for driving a DC motor using PWM modulated drive signals includes comparator circuits for producing digitalized Back-EMF signals having first...
US-9,768,716 Motor control apparatus provided with magnetic flux control unit, and machine learning apparatus and method thereof
A machine learning apparatus configured to learn conditions to be associated with an excitation current command for a motor and excitation start timing provided...
US-9,768,715 Apparatus and method of driving a plurality of permanent magnet synchronous motors using single inverter
A motor driving apparatus and a method of driving a plurality of permanent magnet synchronous motor (PMSM) using a single inverter is described. The motor...
US-9,768,714 Electric drive system
This invention concerns an electric drive system (200) for driving an output. The electric drive system comprises: a first electric motor (250) arranged to...
US-9,768,713 Electric tool
An electric tool includes a brushless motor and an output part, which is driven by the brushless motor and to which a tip tool is mounted, and a tumbler switch....
US-9,768,712 Power conversion device connected to single-phase system
A power conversion device includes: a power converter to perform output to an output line connected to a single-phase power system; and a control device to...
US-9,768,711 RF-DC power converter
A rectifier comprising a chain of transistors for RF-DC conversion. In order to compensate for the thresholds of the transistors, each transistor can be...
US-9,768,710 Converter
A voltage source converter (30) comprises a converter limb (36), having primary and secondary limbs connected in parallel between first and second DC terminals...
US-9,768,709 Transformer voltage regulation
In various embodiments, a transformer provides a voltage. A regulating circuit coupled to the transformer regulates the voltage to provide either a first...
US-9,768,708 Wide dynamic range rectifier circuits
An adaptive power distribution system is presented for extending the dynamic range of AC/RF rectifiers. The power distribution system distributes the AC/RF...
US-9,768,707 Power harvesting circuit and applications thereof
A power harvesting circuit, a rectifier circuit and a capacitor. The rectifier circuit includes a diode circuit, a diode voltage reduction circuit, and a start...
US-9,768,706 Wind power converter device and converter device
A wind power converter device is provided. The wind power converter device includes grid side converters, generator side converters and a DC bus module. Each of...
US-9,768,704 Hybrid distribution transformer having a power electronic module for controlling input power factor and output...
A hybrid transformer is provided that includes an electromagnetic transformer and an AC-AC converter with a DC bridge. The AC-AC converter is operable to keep...
US-9,768,703 Shoot-through prevention in switched-mode power supplies
The disclosed embodiments provide a system that operates a flyback converter. During activation of a synchronous rectifier (SR) controller on a secondary side...
US-9,768,702 Converter with power factor correction
A converter for converting an input-side alternating current into an output-side DC current, with a power factor correction being provided, wherein the...
US-9,768,701 Synchronous rectifier control using sensing of alternating current component
A synchronous rectifier comprises at least one rectification switch (102, 103), and a control circuit (104) for controlling the at least one rectification...
US-9,768,700 Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to DC converter
The disclosed embodiments provide an AC/DC power converter that converts an AC input voltage into a DC output voltage. This AC/DC power converter includes an...
US-9,768,699 Switching power supply unit
Provided is a switching power supply unit that includes a pair of input terminals, a pair of output terminals, two transformers, two inverter circuits, a...
US-9,768,698 Method and apparatus for providing power conversion using an interleaved flyback converter with automatic balancing
Method and apparatus for converting DC input power to DC output power. In one embodiment, the apparatus comprises a plurality of flyback circuits, coupled in...
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