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Patent # Description
US-1,015,3751 Second order switched capacitor filter
A switched capacitor low-pass filter. The filter includes a plurality of switched capacitors, and a plurality of resistors. The resistors increase the slope of...
US-1,015,3750 RF resonators and filters
A filter package comprising an array of piezoelectric films sandwiched between lower electrodes and an array of upper electrodes covered by an array of silicon...
US-1,015,3749 Resonator element, resonator, and electronic device
A resonator element includes a substrate that vibrates in a thickness shear vibration, a first excitation electrode that is provided on one main surface of the...
US-1,015,3748 Acoustic wave element, filter element, and communication device
In an acoustic wave element of the present invention, a first imaginary line connecting end portions of the plurality of first electrode fingers in the IDT...
US-1,015,3747 Surface acoustic wave element
A surface acoustic wave element includes: a first input wire; a first IDT connected to the first input wire; a second input wire; a second IDT connected to the...
US-1,015,3746 Wiring board with filter circuit and electronic device
A wiring board with a filter circuit includes an insulating base, a conductor pattern, and a filter circuit. The conductor pattern is provided on the insulating...
US-1,015,3745 Feedback compensated master volume control
A circuit and a method for maintaining the desired tone, harmonic relationship and dynamic response of a musical instrument amplifier throughout the complete...
US-1,015,3744 Automatically tuning an audio compressor to prevent distortion
A system and method automates the tuning of one or more multiband compressors or multiband limiters to minimize loudspeaker distortion. The system and method...
US-1,015,3743 Linear variable gain amplifier
The present invention is directed to electrical circuits and techniques thereof. More specifically, an embodiment of the present invention provides a variable...
US-1,015,3742 Active RC filters
An operational amplifier comprises: a first amplifier stage 4 comprising a first differential pair of transistors 8, 10 arranged to receive and amplify a...
US-1,015,3741 Average power tracking mode power amplifier using dual bias voltage levels
An average power tracking mode power amplifier is disclosed herein. The average power tracking mode power amplifier includes a Power Amplifier (PA), a first...
US-1,015,3740 Split signal differential MEMS microphone
A microphone assembly includes a capacitive MEMS transducer and a bias circuit having a DC output coupled to the transducer. The microphone assembly also...
US-1,015,3739 Power amplification division circuit and multi-stage type power amplification division circuit
A power amplification division circuit includes a conversion element having a one-turn annular first inductor and an N-turn annular second inductor in a shape...
US-1,015,3737 Power amplifier module
A power amplifier module includes an amplifier that amplifies an input signal and outputs an amplified signal, an emitter follower transistor that supplies a...
US-1,015,3736 Circuits and methods for 2G amplification using 3G/4G linear path combination
Circuits and methods for 2G amplification using 3G/4G linear path combination. In some embodiments, a front-end architecture can include a first amplification...
US-1,015,3735 Millimetre wave power amplifier and a method of optimising such a power amplifier
A millimeter (mm) wave power amplifier includes a plurality of amplifiers, each amplifier including an amplifying FET including a gate, drain and source. The mm...
US-1,015,3734 Configurable radio frequency power amplifier and method thereof
An apparatus includes: an input coupler configured to receive an input voltage and output a first coupled voltage and a second coupled voltage in accordance...
US-1,015,3733 Active bias circuit for power amplifier, and mobile terminal
An active bias circuit for a power amplifier and a mobile terminal are disclosed. The circuit includes a proportional to absolute temperature (PTAT) current...
US-1,015,3732 Amplifier circuit and method of recovering input signal in the amplifier circuit
An amplifier circuit and a method of recovering an input signal in the amplifier circuit are provided. The amplifier circuit may recover an input signal by...
US-1,015,3731 Apparatus and method for operating a power amplifier array with enhanced efficiency at back-off power levels
An apparatus, comprising has an array of power amplifiers. A power detector collects a power signal applied to the array of power amplifiers. Digital logic is...
US-1,015,3730 Resonator device, manufacturing resonator device manufacturing method, oscillator, electronic apparatus,...
A resonator device includes a resonator element, a package that accommodates the resonator element, a temperature control element arranged on a first surface of...
US-1,015,3729 Nano-scale oscillator exhibiting chaotic oscillation
In some examples, a device includes a nano-scale oscillator that exhibits chaotic oscillation responsive to a control input to the nano-scale oscillator, where...
US-1,015,3728 Semiconductor device and method
A circuit includes a first digital controlled oscillator and a second digital controlled oscillator coupled to the first digital controlled oscillator. A skew...
US-1,015,3727 Transformer based shielded oscillator
An oscillator includes a first output node and a second output node. There is a tank circuit coupled between the first output node and the second output node....
US-1,015,3726 Non-concentrated photovoltaic and concentrated solar thermal hybrid devices and methods for solar energy collection
In embodiments, the inefficiencies present in conventional technologies that separately utilize photovoltaic or solar thermal technologies are obviated....
US-1,015,3725 Fiber coupled solar cell modules for concentrated operation in consumer electronics applications
A device includes a body and a rechargeable battery positioned within the body. A solar cell is coupled to the body and in communication with the battery. A...
US-1,015,3724 Methods and devices for coupling solar panel support structures and/or securing solar panel support structures...
A mounting unit for mounting a solar panel on a roof includes a base having a first flange and a second flange that extend laterally from the base and a...
US-1,015,3723 Solar thermal energy--field electron emission power generation device
The present invention relates to a solar thermal energy-field electron emission power generation device, which is formed by a solar cooker and a heat-field...
US-1,015,3722 System and method for detecting abnormal state of velocity outputted from motor
A system includes a control module, a velocity-detecting module and a state-analyzing module. The control module generates a control command to control the...
US-1,015,3721 Electronically commutated fan system
An electronically commutated fan system includes an alternating-current-to-direct-current conversion unit, an inverter unit and a control unit. The...
US-1,015,3720 Power supply system for electric vehicle
A power supply system for an electric vehicle includes a battery, an inverter configured to supply alternating-current electric power to a motor for traveling,...
US-1,015,3719 Method and control arrangement for controlling a reactive power source
The present invention relates to a method for controlling a reactive power source in a wind power plant, the method comprising the steps of providing a wind...
US-1,015,3718 Stepper motor drive and stall detection circuit
A first differential amplifier output drives a first winding of a stepper motor and a second differential amplifier output drives a second winding of the...
US-1,015,3717 Magnetic sensor integrated circuit, motor assembly and application device
A magnetic sensor integrated circuit, a motor assembly and an application device are provided. The magnetic sensor integrated circuit includes a magnetic field...
US-1,015,3716 Compensation for asymmetries in electrodynamics of BLDC type machines using hall sensors
A microcontroller controls a BLDC motor with Hall sensors. In a calibration mode, the microcontroller operates the motor at substantially constant load and...
US-1,015,3715 Motor driving control device and motor driving control method
A motor driving control device includes: a motor driving unit for selectively energizing coils of a plurality of phases of a motor; a control circuit unit for...
US-1,015,3714 Adaptive pulse width modulation in motor control systems
An embodiment of a control system for controlling operation of an electric motor includes a current command module configured to receive a torque command and...
US-1,015,3713 Device for harvesting energy from a fluidic flow including a thin film of piezoelectric material
A device for harvesting energy from a fluidic flow, including a flexible structure formed by: a base layer; a conductive layer, made of a conductive material...
US-1,015,3712 Circulating current injection control
In one example, a power converter includes a modular multilevel converter (MMC) electrically coupled between a first power system and a second power system. The...
US-1,015,3711 Electric power conversion device
In an electric power conversion device which performs power conversion between multiphase AC and DC, a first converter cell of a first arm for each phase of a...
US-1,015,3710 Power supply and control method thereof
A power supply includes multiple power modules and a control circuit. Input terminals of the power modules are connected in star connection such that each power...
US-1,015,3709 Converter arrangement comprising movable contacts, but immovable converter assembly
A converter arrangement includes a basic structure having a receptacle, a first electrical network including lines arranged on the basic structure, a plurality...
US-1,015,3708 Three-level power converter
A three-level power converter includes a first module housing a vertical arm forming a three-level power conversion circuit; a second module disposed adjacent...
US-1,015,3707 Reconfigurable power converter
A configurable power converter includes an interchangeable face plate mounted to a chassis and circuit terminals mounted to the face plate. Each of the circuit...
US-1,015,3706 Precharge device applied in flying capacitor type multi-level converter circuit and frequency converter having...
The present disclosure provides a precharge device and a frequency converter. The precharge device is applied in a flying capacitor type multi-level converter...
US-1,015,3705 Controlling a multi-channel power supply
The present invention relates to methods for controlling a multi-channel power supply and to corresponding devices. According to one embodiment of the...
US-1,015,3704 Adaptive control of resonant power converters
A power converter including a transformer, a resonant circuit including the transformer and a resonant capacitor having a characteristic resonant frequency and...
US-1,015,3703 Flyback power converter with programmable output and control circuit and control method thereof
The present invention provides a flyback power converter with a programmable output and a control circuit and a control method thereof. The flyback power...
US-1,015,3702 Switched-mode power supply controller using a single pin for both input voltage sensing and control of power...
Circuits and methods within a switched-mode power supply (SMPS) controller are provided. The SMPS controller includes an SMPS power stage which is integrated...
US-1,015,3701 Controlling a switched mode power supply with maximised power efficiency
A control circuit for a switched mode power supply (SMPS) has an input voltage reference voltage generator arranged to receive a signal indicative of an input...
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