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Patent # Description
US-9,362,878 Systems and methods for protecting a speaker
In accordance with embodiments of the present disclosure, a system may include an audio speaker and a controller coupled to the audio speaker. The controller...
US-9,362,877 Electronic component, information processing apparatus, and electronic component control method
An electronic component includes: a first amplifier configured to amplify one of differential signals; a second amplifier configured to amplify another one of...
US-9,362,876 Look-up table digital predistortion technique for high-voltage power amplifiers in ultrasonic applications
The present invention includes a digital controller for use with an ultrasound power amplifier circuit to increase linearity and efficiency of the ultrasound...
US-9,362,875 Signal envelope processing
Methods and apparatus for detection and tracking of a signal envelope. The circuit comprises absolute value circuitry configured to receive data samples and...
US-9,362,874 Differential measurements with a large common mode input voltage
An apparatus comprises a differential amplifier circuit and a current source. The differential amplifier circuit is configured to receive a voltage at an input,...
US-9,362,873 Instrumentation amplifier
An instrumentation amplifier includes: a first input stage configured to shift a level of a first input voltage applied to a first input terminal and to output...
US-9,362,872 Self-biasing radio frequency circuitry
The present disclosure describes self-biasing radio frequency circuitry. In some aspects a radio frequency (RF) signal is amplified via a circuit having a first...
US-9,362,871 Wideband amplifier
A Doherty amplifier is disclosed, being adapted to receive an RF input signal and to output an RF output signal and comprising a main amplifier and a peak...
US-9,362,870 Apparatus and methods for biasing power amplifiers
Apparatus and methods for biasing power amplifiers are disclosed herein. In certain implementations, a power amplifier system includes a power amplifier and a...
US-9,362,869 Signal predistortion for non-linear amplifier
A method, apparatus, and computer program for modeling mathematically an effect of a plurality of factors on signal distortion caused by a non-linear amplifier...
US-9,362,868 Reduced power amplifier load impact for open loop envelope tracking
A method for implementing envelope tracking (ET), the method comprising switching from a receiver (Rx) radio frequency (RF) path to a supply sensing path during...
US-9,362,867 Amplification circuit adjusting duty cycle of output signal
An amplification circuit includes an input portion, a first load portion, a second load portion, and a duty cycle adjustment portion. The input portion changes...
US-9,362,866 Envelope path pre-distortion for wideband transmitter systems
A communication device, such as a smart phone, includes an envelope tracking power supply modulator. The envelope tracking power supply modulator receives an...
US-9,362,865 Demodulation device, demodulation method and program
The present technique relates to a demodulation device, a demodulation method and a program capable of realizing a demodulation process at a rate equivalent to...
US-9,362,864 Dynamic gearshift during oscillator build-up based on duty cycle
A dynamic gearshifting system includes a monitoring device configured to monitor a duty cycle of a clock output signal of a crystal oscillator circuit during...
US-9,362,863 Building body with solar tracking device
A building body with solar tracking device includes a top tent supported on the building body. The top tent includes at least one set of intersection section...
US-9,362,862 Method and circuit arrangement for limiting peak currents and the slope of the current edges
A method for limiting peak currents, particularly depending on a charge quantity provided by a voltage source, and the maximum pitch of the current flanks of an...
US-9,362,860 Multi-phase motor control apparatus and electric power steering apparatus using the same
A control device for a multiple motor comprises: a drive unit constituted by a pair of upper and lower arm switching elements for driving the multiphase motor;...
US-9,362,859 System and method for controlling switching elements within a single-phase bridge circuit
In one aspect, a method for controlling the operation of switching elements contained within a single-phase bridge circuit of a power convertor may include...
US-9,362,858 System and method for operating a turbine farm
A system for operating a wind or water turbine farm comprising a plurality of turbines comprising: a computing device; means for providing operational data...
US-9,362,857 Motor control device
A motor control device includes an H-bridge circuit for controlling on/off of a current fed to a motor, a drive circuit for driving the H-bridge circuit, a...
US-9,362,856 Method and apparatus for operating a power output stage
The invention relates to a method for operating a power output stage (2), in particular an electrical machine, which comprises a bridge circuit (3) with at...
US-9,362,855 Determining a position of a motor using an on-chip component
An embodiment of a motor controller includes first and second supply nodes, a motor-coil node, an isolator, a motor driver, and a motor position signal...
US-9,362,854 Electric motor control during unreliable power supply operations
A motor system and a method of operating an electric motor that includes monitoring a voltage of power supplied to the motor by a mircrocontroller located in...
US-9,362,853 Plate, transducer and methods for making and operating a transducer
A plate, a transducer, a method for making a transducer, and a method for operating a transducer are disclosed. An embodiment comprises a plate comprising a...
US-9,362,852 Generator assembly and related devices
The current disclosure teaches and describes a generator assembly and related hand crank devices. One embodiment of the device may include a traditional...
US-9,362,851 Rotary motor systems and methods thereof
A rotary motor and a method of making the same include a vibrating motor body which has two orthogonal first bending modes and is substantially enclosed within...
US-9,362,850 Vibration type driving apparatus and driving circuit thereof
A vibration type driving apparatus includes a vibrating body having an electrical-mechanical energy converting element, a first elastic body and a second...
US-9,362,849 Electrostatic induction power generator
An electrostatic induction power generator includes a first base body and a second base body, which are configured to be able to reciprocate relative to each...
US-9,362,848 Hybrid AC/DC converter for HVDC applications
A power electronic converter, for connecting AC and DC networks and transferring power therebetween, comprises: first and second DC terminals for connection in...
US-9,362,847 Circuit device and electronic device
The invention provides a motor driver including pre-drivers for a bridge circuit, delay circuits, and a delay setting register, wherein in order to suppress...
US-9,362,846 Soft switching inverter with auxiliary switch facilitating zero voltage switching
An inverter comprises a first switch coupled to an input of an output filter and a positive dc bus, a second switch coupled to the input of the output filter...
US-9,362,845 Method of operating a single-phase generator in parallel with an inventor
A system for connecting a single-phase generator in parallel with an inverter is disclosed. A signal corresponding to the angular position of the rotor in the...
US-9,362,844 Method of deriving switch current signals in a rectifier
A method of deriving synchronous switch currents for a three-phase Vienna-type active rectifier that includes the step of generating gate driver signals for...
US-9,362,843 Switch control device, power supply device comprising the same, and driving method of power supply device...
The present invention relates to a switch controller, a power supply including the same, and a method for driving the same. An AC input of the power supply is...
US-9,362,842 Power dimmer
A control circuit varies the power of a load powered by an alternating voltage, comprising: a first thyristor and a first diode connected in antiparallel...
US-9,362,841 Power conversion apparatus and method of controlling the same
A power conversion apparatus including a current source converter configured to convert Alternate Current (AC) power to Direct Current (DC) power; a power...
US-9,362,840 Power conversion device
A control section for controlling a 3-level power conversion circuit. The control section calculates ON voltage error based on time ratios of three potentials...
US-9,362,839 Power converter with common mode voltage reduction
Power conversion systems are presented with common mode reduction by space vector pulse width modulation zero vector selection to counteract common mode...
US-9,362,838 Electrical system for connecting mobile unit to base unit
An electrical power system is connectable to an AC base power supply to provide AC base electrical power to a mobile unit. The AC mobile unit electrical power...
US-9,362,837 Method and apparatus for feeding electrical current into an electrical power supply system
The invention relates to a method for feeding electrical current into an electrical, three-phase power supply system having a first phase, a second phase and a...
US-9,362,836 Circuit for driving synchronous rectifier and power supply apparatus including the same
A circuit for driving a synchronous rectifier may include a voltage level detecting unit detecting a voltage level of the synchronous rectifier; an on/off...
US-9,362,835 Resonant power conversion apparatus and controlling method thereof
A resonant power conversion apparatus and a controlling method of the resonant power conversion apparatus are provided. The resonant power conversion apparatus...
US-9,362,834 Flyback power supply circuit with programmable function and control method thereof
The present invention discloses a flyback power supply circuit with a programmable function and a control method thereof. The flyback power supply circuit...
US-9,362,833 Constant voltage constant current control circuits and methods with improved load regulation
The present invention discloses CVCC circuits and methods with improved load regulation for an SMPS. In one embodiment, the CVCC can include: a voltage feedback...
US-9,362,832 Intermediate bus architecture power supply
An intermediate bus architecture power supply system including an output voltage feedback-regulated, isolated first stage switching voltage converter (SVC) such...
US-9,362,831 Fly-forward converter with energy recovery snubber
A converter for transferring energy from a voltage supply to an output includes transformer T1, coupled inductor L1, switch S1, energy recovery capacitor C, and...
US-9,362,830 Switch mode power supply, control circuit and associated control method
A switch mode power supply having an output terminal configured to provide an output voltage, the switch mode power supply has a first switch and a control...
US-9,362,829 Voltage regulation associated with a switching converter and a set of linear regulators
Hybrid buck converters that incorporate switching converter and auxiliary linear regulators are described. The auxiliary linear regulators are automatically...
US-9,362,828 Hysteretic current mode control converter with low, medium and high current thresholds
A converter constituted of: an inductor; a plurality of electronically controlled switches; and a control circuitry arranged to operate in a buck-boost mode...
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