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Patent # Description
US-1,024,3532 Digitized automatic level control transducer-calibrator
A microprocessor-based ALC (automatic level control) system, for original manufacture or field maintenance and retrofit, providing the stability, reliability...
US-1,024,3531 Apparatus and method for centrally controlling common mode voltages for a set of receivers
A differential signal processing circuit includes a local common mode voltage control circuit for controlling a common mode voltage of an output differential...
US-1,024,3530 Stepped attenuation circuit with constant decibel steps
An attenuation circuit with stages having constant dB steps between stages is provided. The attenuation circuit can be configured as a ladder network using...
US-1,024,3529 Satellite microphone assembly
In one embodiment, a satellite microphone assembly for use in teleconferencing or other audio based communications comprises a base housing a microphone and...
US-1,024,3528 Speaker volume preference learning
Audio information of audio content being listened to by a user is received. An aspect of a listening environment of the user is identified. A volume preset,...
US-1,024,3527 Gain control method for a broadband inductorless low noise amplifier
A low noise amplifier comprising an adjustable gain and a variable impedance controller is provided. The low noise amplifier is configured to sink current and...
US-1,024,3526 Self-biased operational transconductance amplifier-based reference circuit
A device may include a voltage-to-current converter circuit having an operational transconductance amplifier (OTA), the voltage-to-current converter circuit for...
US-1,024,3525 Power amplifier and radio transmitter
A power amplifier includes a carrier amplifier that operates from when an input signal is small, a peak amplifier that starts to operate when the input signal...
US-1,024,3524 Amplifiers
This application relates to amplifier circuits for amplifying an audio signal. An amplifier circuit (100) has a voltage regulator (201) for outputting a supply...
US-1,024,3523 Ultra-broadband transimpedance amplifiers (tia) for optical fiber communications
Design of ultra broadband transimpedance amplifiers (TIA) for optical fiber communications is disclosed. In one embodiment, a TIA comprises a g.sub.m-boosted...
US-1,024,3522 Fully integrated low-noise amplifier
A low-noise amplifier device includes an inductive input element, an amplifier circuit, an inductive output element and an inductive degeneration element. The...
US-1,024,3521 Circuit for providing a high and a low impedance and a system comprising the circuit
A system including a transducer and an amplifier as well as a circuit which always has a high impedance at low voltages. In addition, at high voltages, the...
US-1,024,3520 FBDDA amplifier and device including the FBDDA amplifier
A fully balanced differential difference amplifier includes a first differential input stage that receives an input voltage and a second differential input...
US-1,024,3519 Bias control for stacked transistor configuration
Various methods and circuital arrangements for biasing one or more gates of stacked transistors of an amplifier are presented, where the amplifier can have a...
US-1,024,3518 Single input, dual output path low-noise amplifier
The present disclosure is directed to a dual output path LNA that can be used to break the tradeoff between the output impedance and linearity of an LNA without...
US-1,024,3517 Enhanced amplifier efficiency through cascode current steering
According to some implementations, a power amplifier (PA) includes a common emitter configured to receive a radio-frequency (RF) signal. The PA also includes a...
US-1,024,3516 Audio amplifier and audio power amplifier
A first circuit unit of an audio amplifier includes a first emitter follower connected to an pre stage input terminal, a second emitter follower connected to an...
US-1,024,3515 Semiconductor device and measurement device
A semiconductor device includes an electronic component that includes an oscillator and has terminals on one face. A semiconductor chip is electrically...
US-1,024,3514 Photovoltaic soil monitoring system with automated clean referencing system
A solar panel monitoring system for a photovoltaic system includes: a soil monitoring panel including a plurality of arranged photovoltaic cells; a reference...
US-1,024,3513 System comprising a photovoltaic cell and a luminous intensity measuring device and method for measuring...
The measuring device determines the luminous intensity received by a photovoltaic cell electrically connected at output to an electrical energy storage unit via...
US-1,024,3512 Photovoltaic junction box with soldering surfaces of unequal surface area
The photovoltaic junction box comprises a box body, a plurality of terminals disposed in the box body, and a plurality of diodes disposed in the box body. A...
US-1,024,3511 Automatic modularity control for multi power stack air cooled inverter
Provided is a method for performing automatic modularity control of an inverter and an inverter that includes DC power sources configured to supply DC power, a...
US-1,024,3510 Illumination panel
An illumination panel includes a transparent structural core having two opposing surfaces, a matrix of light releasing dots substantially covering both the...
US-1,024,3509 Photoelectric conversion module group
Provided is a photoelectric conversion module group that enables a balance of high levels of mechanical strength improvement and weight reduction when thin...
US-1,024,3508 Solar module
Disclosed is a solar module, comprising a plurality of lamellar solar panels, which are mounted on a common axis so as to be able to pivot between a first...
US-1,024,3507 End clamp for mounting solar module to rail
A solar power system may include rails, solar modules, and a plurality of clamps to secure the solar modules to the rails. An end clamp may be partially...
US-1,024,3506 Roof sealing system
A seal includes an elongated body having a first end and a second end, an interior surface and an exterior surface, and a hole extending from the first end to...
US-1,024,3505 Wire management racking system for photovoltaic solar modules
A framed PV module rooftop and ballasted ground mount racking system by which the mounting structure also functions as a wire management system and operates as...
US-1,024,3504 Photovoltaic system
A data collection device for photovoltaic power generation is provided. The data collection device for collecting photovoltaic power generation data includes a...
US-1,024,3503 Drive controller and drive control method for electric motor
The present invention relates to drive controller and control method for an electric motor equipped with coil sets corresponding to plural phases. The drive...
US-1,024,3502 System and method for detecting latent faults in a redundant motor application
A system for monitoring a motor includes a movable component having a plurality of permanent magnets. The system also includes a plurality of stators having...
US-1,024,3501 Inverter control device
If a fault occurs in a buffer unit from which a PWM signal is outputted, an abnormal PWM signal may be outputted from the buffer unit. When a fault occurs in a...
US-1,024,3500 Method to reduce electromagnetic interference in switching circuit applications
A method for providing electromagnetic compatibility to a motor control circuit is provided. A base pulse width modulated signal is selected to apply to a motor...
US-1,024,3499 Motor driving apparatus and home appliance including the same
A motor driving apparatus and a home appliance including the same. The motor driving apparatus includes a temperature sensing unit to sense a compressor...
US-1,024,3498 Power converter control device
Ripple power having a first variation range is input into a DC link (DC power supply lines). Buffer power is provided and received between the DC link and a...
US-1,024,3497 Motor control apparatus and electronic power steering system
In an apparatus, a motor current limit calculator calculates a motor current limit to which a motor current is to be limited. A motor current command calculator...
US-1,024,3496 Method and device for controlling the operation of an electric motor
A method controls the operation of an electric motor. Wherein electrical voltages applied to electrical phases of the electric motor are produced and output in...
US-1,024,3495 Controller for a separately excited electric generator in a vehicle electrical system of a motor vehicle
The present disclosure relates to motor vehicles. The teachings thereof may be embodied in the operation and control of an externally excited electrical...
US-1,024,3494 Methods and systems for efficient engine torque control
Method and systems are provided for adjusting an engine torque in response to changes in a desired engine torque. In one example, a method may comprise...
US-1,024,3493 Motor control device and image forming apparatus
A pulse generation unit is configured to output pulse signals for driving the stepping motor. A control unit is configured to perform acceleration control or...
US-1,024,3492 Semiconductor device and electrically-powered equipment
A semiconductor device includes a pulse generation circuit which generates a pulse control signal for selectively supplying currents to the coils with the coil...
US-1,024,3491 Control scheme to increase power output of a power tool using conduction band and advance angle
A power tool includes a multi-phase BLDC motor, a plurality of switches, an input unit, and a controller. For each phase, the controller operates to vary power...
US-1,024,3490 Controlling multiple facets of duty cycle response using a single motor integrated circuit pin
A system, in some embodiments, comprises: a motor; and control logic, coupled to the motor, to determine a duty keep status and a duty cycle threshold based on...
US-1,024,3489 Rotary electric machine control apparatus and electric power steering apparatus using the same
In a rotary electrical machine control apparatus, a selection section selects a relay current limiting value or a coil current limiting value depending on...
US-1,024,3488 Electric working machine and method for controlling electric working machine
An electric working machine in one aspect of the present disclosure includes a motor, a first switching element, a second switching element, a rectifier...
US-1,024,3487 Bridge and energy-converting device for converting kinetic energy into electrical energy
A bridge with a support structure supporting a deck section provided with at least one energy-converting device for converting kinetic energy into electrical...
US-1,024,3486 Vibration wave motor
Included are a vibrator including a protruding portion that performs high frequency vibration; a friction member, the vibrator being pressed to cause the...
US-1,024,3485 Peg-style electrostatic rotating machine employing dielectric sleeves
An electrostatic rotating electrical machine employs axially extending electrically conductive pegs (for example, on a stator) interacting with the least one of...
US-1,024,3484 Current flow control assembly
A current flow control assembly, for controlling current flow in an electrical network of interconnected electrical elements, having: current flow controllers,...
US-1,024,3483 Power conversion device
A power conversion device includes a filter capacitor to accumulate therein DC power, and an element unit including a semiconductor element module to perform a...
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