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Patent # Description
US-1,017,1045 Apparatus and methods for low noise amplifiers with mid-node impedance networks
Apparatus and methods for LNAs with mid-node impedance networks are provided herein. In certain configurations, an LNA includes an input, an output, a...
US-1,017,1044 Power amplification circuit
A power amplification circuit includes: a first amplifier that is input with a first signal and outputs a second signal; a bias circuit that supplies a bias...
US-1,017,1043 Amplification device incorporating limiting
An amplification device (100) comprises an amplifier circuit (110) and a limiter (120). The amplifier circuit (110) comprises a signal input (111) for an input...
US-1,017,1042 Degenerated transimpedance amplifier with wire-bonded photodiode for reducing group delay distortion
An integrated circuit includes a degeneration network configured to improve group delay across one or more variations, wherein the degeneration network includes...
US-1,017,1041 Predistortion device
The disclosure relates to a predistortion device for a non-linear PA device, comprising: an input terminal for receiving an input signal; a predistortion...
US-1,017,1040 Trans-impedance amplifier
The present disclosure provides a trans-impedance amplifier, comprising: an equivalent secondary amplifier module, having an input end and an output end,...
US-1,017,1039 Devices and methods that facilitate power amplifier off state performance
A peaking amplifier is disclosed. The peaking amplifier includes a driver stage, a final stage, and an interstage matching network. The driver stage has a load...
US-1,017,1038 Envelope-tracking power supply modulator
An envelope-tracking power supply modulator (ETSM) supplies power to a radio frequency power amplifier (RFPA) of a radio frequency (RF) circuit according to a...
US-1,017,1037 Multi-mode power management system supporting fifth-generation new radio
Embodiments of the disclosure relate to a multi-mode power management system supporting fifth-generation new radio (5G-NR). The multi-mode power management...
US-1,017,1036 Power amplification circuit
Provided is a power amplification circuit that includes: an amplifier that amplifies an input signal and outputs an amplified signal; a first bias circuit that...
US-1,017,1035 Power factor correction circuit and multiplier
The present invention disclosure provides a multiplier and a power factor correction circuit which the multiplier is applied. The multiplier comprises a Gilbert...
US-1,017,1034 Phase-rotated harmonic-rejection mixer apparatus
A harmonic-rejection mixer apparatus includes a mixing circuit and a combining circuit. The mixing circuit receives mixes an input signal and a first local...
US-1,017,1033 Crystal oscillator interconnect architecture with noise immunity
An apparatus is provided which comprises: a crystal having an input and an output; a first interconnect line having first and second ends, wherein the first end...
US-1,017,1032 Apparatuses and methods for temperature independent oscillators
Apparatuses and methods for temperature independent oscillator circuits are disclosed herein. An example apparatus may include a pulse generator circuit...
US-1,017,1031 Oscillator phase noise using active device stacking
An integrated electronic circuit is provided. The integrated electronic circuit includes a transconductance cell formed from transconductance cell devices. The...
US-1,017,1030 Method of amplifying power
The present invention relates to power supplies and in particular to an electronic power supply that is mounted to a printed circuit board and can be used to...
US-1,017,1029 Soiling measurement device for photovoltaic arrays employing microscopic imaging
A device comprising a transparent window, an imaging unit, and a computing element coupled to said imaging unit, wherein said device is configured to allow...
US-1,017,1028 Method and apparatus for monitoring photovoltaic module
A method and an apparatus for monitoring a photovoltaic module to reduce a commissioning workload and reduce commissioning complexity, the method includes...
US-1,017,1027 Photovoltaic module mount
Mounting components of photovoltaic (PV) modules and PV module assemblies are described, including PV module couplings and PV module mounting chassis. In an...
US-1,017,1026 Structural attachment sealing system
In various representative aspects, the present invention relates generally to a system and apparatus for sealing a structural attachment to a flat or shingle...
US-1,017,1025 Apparatus and method for solar panel module mounting inserts
A photovoltaic module generates electrical power when installed on a roof. A photovoltaic module preferably has an upper transparent protective layer, and a...
US-1,017,1024 Solar energy collector
A solar collector may include a frame for supporting a plurality of photovoltaic (PV) panels. The frame may be adapted to removably attach to a base. The solar...
US-1,017,1023 Motor starter apparatus with start-up fault detection capability
A motor starter apparatus includes at least one semiconductor switch configured to selectively couple a power source to a motor, at least one current sensor...
US-1,017,1022 Motor driving device, an air conditioner including same and a control method therefor
A motor driving device is disclosed. The motor driving device includes: a rectifier rectifying alternating current (AC) power into direct current (DC) power to...
US-1,017,1021 Methods for determining a voltage command
Methods may involve determining a minimum voltage for a voltage command. A maximum voltage for the voltage command may be determined. A first representation of...
US-1,017,1020 Intelligent cooperative control system and method for multi-unit permanent magnet synchronous motor
An intelligent cooperative control system and method thereof. A parallel structure for low-voltage multi-module permanent magnet synchronous motor cooperative...
US-1,017,1019 Controller for power converter
A controller includes a torque command value calculation module configured to calculate a torque command based on a speed command of the motor, an output...
US-1,017,1018 Method and electronic circuit for stall detection
A method for detecting stall of a multiphase motor operated in a sinusoidal micro-stepped mode. The method comprises: a) measuring at least one phase current...
US-1,017,1017 Image forming apparatus, motor control apparatus, and method of controlling a motor
An image forming apparatus may include an engine portion used to perform an image forming job, a step motor configured to start the engine portion, a driver...
US-1,017,1016 Motor driving circuit
A motor driving circuit includes a first output switch, a second output switch, a first adjusting module, and a second adjusting module. A rising slew rate of...
US-1,017,1015 Digital motor control unit
Control of a plurality of electronically commutated motors is effected using a control unit and a power unit. The power unit enables the provision of...
US-1,017,1014 System and method for electric motor field weakening with variable magnet skew
An electric machine assembly includes a rotor assembly that includes a plurality of rotor parts including a reference rotor part and a first control rotor part....
US-1,017,1013 Servomotor control device
A servomotor control device that performs static friction correction for a servomotor, including: a position control loop for feedback controlling a position of...
US-1,017,1012 Air conditioner and startup control method and system for outdoor fan of the air conditioner
An air conditioner and a startup control method and system for an outdoor fan of the air conditioner. While in a process of charging a bootstrap capacitor in an...
US-1,017,1011 Electric tool
An electric tool includes: a motor configured to be driven by PWM controlling a semiconductor switching element; a trigger configured to adjust startup and...
US-1,017,1010 Method and apparatus for generating energy using piezo elements
An energy-generating apparatus includes at least one magnetic field-generating apparatus configured to at least intermittently generate a magnetic field that...
US-1,017,1009 Apparatus and method for lifting objects
A device and a method for moving an object in a vertical direction are disclosed. The device includes a plurality of piezo-actuators expanding in directions...
US-1,017,1008 Vibration wave motor and driving apparatus using the vibration wave motor
A vibration wave motor includes a vibrating plate having a rectangular surface; a piezoelectric device bonded to the vibrating plate, and configured to vibrate...
US-1,017,1007 Method of manufacturing a device with a cavity
A method includes providing a substrate having a first sacrificial oxide region, the substrate comprising a first interconnect layer, the first interconnect...
US-1,017,1006 Power pole inverter
An arm assembly is provided. The arm assembly includes a plurality of electrical components and a number of electrical buses. Each electrical component is...
US-1,017,1005 Inverter control device
In a first section including a point of time when sums of periods while upper arm-side switches in a pair of current paths of a voltage source inverter conduct...
US-1,017,1004 DC-DC converter
A DC-DC converter includes a full-bridge circuit connected to a primary winding of a transformer and a full-bridge circuit connected to a secondary winding of...
US-1,017,1003 Controlling a switching resonant converter
A method and a controller for controlling a converter are provided. In the method and controller, a capacitance is charged simultaneously using a first current...
US-1,017,1002 Switching power supply and image forming apparatus
A switching power supply includes: a main power supply; a rectifying-and-smoothing circuit configured to rectify and smooth an AC voltage; a transformer...
US-1,017,1001 AC-to-DC power converter and related control circuits
An AC-to-DC power converter includes a rectifier for generating a rectified voltage based on an AC voltage; an input capacitor coupled between the rectifier and...
US-1,017,1000 Reduction of audible noise in a power converter
A power converter controller includes a drive circuit to generate a drive signal to control switching of a power switch. The drive circuit generates the drive...
US-1,017,0999 Systems and methods for regulating output currents of power conversion systems
Systems and methods are provided for regulating a power conversion system. An example system controller includes: a signal generator configured to receive a...
US-1,017,0998 Method for generating injection current for fuel cell stack and apparatus for performing the same
An apparatus for generating injection current for a fuel cell stack includes a switch configured to retain any one state of an on state and an off state; an...
US-1,017,0997 Switching power supply apparatus
A PWM signal generation circuit controls a current mode to set a PWM signal to an on-level in synchronization with a dock signal and set the PWM signal to an...
US-1,017,0996 Diode conduction sensor
Methods and apparatus for a body diode conduction sensor configured for coupling to a switching element. In embodiments, the sensor comprises first and second...
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