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LOW NOISE AMPLIFIER
A low noise amplifier includes a T-type circuit, a first amplification module and a second amplification module. The T-type circuit is adapted to receive an...
RECONFIGURABLE POWER AMPLIFIER CAPABLE OF SELECTING WIDE BAND FREQUENCY
AND METHOD FOR SELECTING WIDE BAND...
Provided is a power amplifier installed in wireless communication terminals and systems. According to one aspect of the present invention, a reconfigurable...
GROUND FAULT CIRCUIT INTERRUPTER AND METHOD
A method and circuit for dynamically correcting offsets associated with an AC power system. In an embodiment, a first offset current generated in response to a...
System and Method for a Low Noise Amplifier
An embodiment described herein includes a low noise amplifier (LNA) including a plurality of separate input terminals, a plurality of transistors, and an...
MULTI-BAND/MULTI-MODE POWER AMPLIFIER WITH SIGNAL PATH HARDWARE SHARING
Existing multi-band/multi-mode (MB/MM) power amplifiers (PAs) use separate signal paths for the different covered frequency bands. This results in a large...
POWER AMPLIFIER FOR COMPENSATING FOR PHASE DELAY CHARACTERISTIC AND
APPARATUS OF SYNTHESIZING POWER
A power amplifier for compensating for a phase delay characteristic and a power synthesizing apparatus using the power amplifier are provided. A microwave...
APPARATUS AND SYSTEM FOR RAIL-TO-RAIL AMPLIFIER
Adaptive biasing circuits for input differential pairs of a buffer or an amplifier adapt to autozero currents for discrete pair selection or continuous pair...
Switching Regulator Power Supply With Constant Current Option
A dual mode regulator provides power to a tower mounted low noise amplifier (LNA) and operates in either one of two modes. The dual mode regulator comprises a...
CONSTANT VOLTAGE CIRCUIT AND OSCILLATION DEVICE
Provided are a constant voltage circuit configured to, when a power supply voltage is low, detect a leakage current to output a stable voltage at a power...
Solar Power Generation System and Failure Diagnosis Method Therefor
Provided is a technology that enables sensing of a solar battery string failure even with a smaller change in output, and that enables identification of a...
SOLAR WATER-COLLECTING, AIR-CONDITIONING, LIGHT-TRANSMITTING AND POWER
A system for collecting solar energy and fresh water may be disclosed. The system may include one or more assemblies of collector modules, each of which module...
REAR TRAY FOR VEHICLE HAVING ENERGY HARVESTING ELEMENTS
A rear tray for a vehicle with structures having energy harvesting elements may include a first energy harvesting element structure installed around a speaker...
DYNAMICALLY RECONFIGURABLE PHOTOVOLTAIC SYSTEM
A PV system composed of sub-arrays, each having a group of PV cells that are electrically connected to each other. A power management circuit for each...
SOLAR CELL SYSTEM AND SOLAR CELL MODULE
A solar cell system includes a bifacial solar cell module which is to be installed tilted relative to a horizontal plane with one edge in an upper position and...
NANODIAMOND COATINGS FOR SOLAR CELLS
A nanodiamond coating for use on a solar cell, the coating including a nanodiamond material suspended in a liquid, wherein the nanodiamond material has a size...
PHOTOVOLTAIC MODULE FABRICATION WITH THIN SINGLE CRYSTAL EPITAXIAL SILICON
Photovoltaic modules including a plurality of solar cells bonded to a module back sheet are described herein, wherein each solar cell includes a superstrate...
SOLAR-MODULE FRAME PROFILE, SOLAR MODULE AND METHOD OF ADHESIVELY BONDING
A SOLAR-MODULE FRAME PROFILE TO THE...
A solar-module frame profile for framing a solar-module laminate. The solar-module frame profile has a frame groove formed from a front-side leg and a...
PHOTOVOLTAIC GROUNDING SYSTEM AND METHOD OF MAKING SAME
A photovoltaic (PV) grounding system includes a first grounding path comprising an electrical connection between a plurality of support bars of a rail system...
Clamp Assembly for Solar Panels
A clamp assembly for solar panels comprising a base and a clamp. The base has a baseplate and first and second spaced-apart struts connected to the baseplate...
END HOLDER AND FASTENING SYSTEM FOR MOUNTING SOLAR MODULES
A height-adjustable end holder for fastening solar modules of different heights on a profile rail, has an accommodating-bracket element, formed from a first...
MULTIPART ROOF HOOK AND FASTENING SYSTEM
A multipart roof hook for connecting a profile rail to a roof substructure, has a fastening part and a connecting part. The fastening part is fastenable to the...
SOLAR CANOPY SUPPORT SYSTEM
The solar canopy support system has at least two beam support columns. Each beam support column has a first end connected to a ground surface and extends...
A data collection device for photovoltaic power generation is provided. The data collection device for collecting photovoltaic power generation data includes a...
MOTOR DRIVING DEVICE AND LAUNDRY TREATMENT APPARATUS INCLUDING THE SAME
The present disclosure relates to a motor driving device and a laundry treatment apparatus. An inverter is configured to convert a DC voltage of DC terminals...
DRIVE CONTROL DEVICE
A drive control device of a motor includes a comparison unit for comparing a first voltage value, which increases or decreases depending on a current value...
An electric oil pump constructed by integrally combining an electric motor with an oil pump, wherein the electric motor is composed of a motor casing, a drive...
Increasing PWM Resolution for Digitally Controlled Motor Control
Systems and methods for increasing Pulse Width Modulation (PWM) resolution for digitally controlled motor control applications are described. For example, in...
MOTOR DRIVING APPARATUS
A motor driving apparatus including a motor including a stator and a rotor rotating in the stator, an inverter configured to supply a driving voltage to a...
DRIVE UNIT AND TRANSPORT MACHINE
A drive unit includes: an inverter; an electric motor that has a first winding connected to an output part of the inverter and a second winding connected to...
SMART DC POWER SUPPLY FOR AC EQUIPMENT
A system is disclosed comprising a DC power supply for supplying DC power to a device having a universal electric motor configured to operate on AC power. The...
DYNAMIC LINEAR STATOR SEGMENT CONTROL
A dynamic linear motor is controlled by determining a relative proximity of a moving rotor of the linear motor to a fixed stator segment of the linear motor...
MOTOR CONTROL APPARATUS
[Problem] To enhance a speed loop gain even in a three-inertia mechanical resonance system. [Solution] A motor control apparatus (100) for controlling a motor,...
Method And System For Estimating Differential Inductances In An Electric
A self-commissioning method for estimating differential inductances in an electric machine, such as e.g. a synchronous reluctance machine or interior permanent...
MAGNETOELECTRIC DEVICE CAPABLE OF STORING USABLE ELECTRICAL ENERGY
A magnetoelectric device capable of storing usable electrical energy includes an inductive servo control unit and a motor. The motor includes a rotor and three...
GENERATING POWER FROM A MOTOR IN SUPPLY-LOSS EVENT
A circuit includes a driver circuit having a high side switch device and a low side switch device coupled to a load voltage node and a motor winding output. A...
MOTOR CONTROL DEVICE
A motor control device includes a motor-speed detection unit detecting and outputting a detected motor speed based on an output signal of an encoder connected...
DEVICE FOR DRIVING THREE-PHASE BRUSHLESS MOTOR
The present invention allows a driving device, which drives a three-phase brushless motor in a sensorless manner, to detect an initial position of the...
METHOD FOR MAKING A MOTOR QUIETER
The method is for making an electric motor more efficient by iteratively changing when a processor sends activation signals to transistors to minimize a...
MOTOR DRIVE DEVICE
A motor drive device includes: an inverter circuit that has three switching elements corresponding to three phases of a three-phase motor coil, converts a DC...
In an integrated circuit formed into a single chip, a drive signal generating unit generates drive signals for switching elements of a power conversion...
Efficiency improver of brushless DC motor
A device for inhibiting electromagnetic torque ripples of a brushless DC motor includes: a driving circuit for driving a brushless DC motor; a sensor for...
APPARATUS AND METHOD FOR DETECTING AND PREVENTING MOVEMENT OF A MOTOR IN A
DEVICE OF SYSTEM
A motor drive system configured to detect and prevent undesired movement of an item that is configured to be driven by the motor drive system. The motor drive...
Self-Powered Sensing System For The Monitoring Of Quasi-Static Structural
A self-powered sensing system is provided for the monitoring of quasi-static structural responses. The sensing system is comprised of: an energy concentrator...
POWER GENERATING APPARATUS
A power generating apparatus includes a power generating element, a lever mechanism including a force point, a support point, and an action point, a first...
DEVICE WITH RIGID SHELL DESIGNED TO UNDERGO IMPACTS AND COMPRISING
INTERNAL ENERGY RECOVERY MEANS
A device includes a rigid outer shell defining a hollow inner space. The device also includes an inner shell defining a hollow inner space. The inner shell is...
Aspects of the present invention include: a method of fabricating a large-scale triboelectri nano-generator, a method of fabricating a large scale...
TWO-AXIS ANGULAR POINTING DEVICE AND METHODS OF USE THEREOF
A two-axis angular pointing device includes a pivot bearing configured to support a payload. A first actuator is positioned to contact the payload at a first...
An energy harvester is provided. The energy harvester includes a first friction member, and a second friction member arranged to face the first friction member...
MICROELECTROMECHANICAL (MEMS) MANIPULATORS FOR CONTROL OF NANOPARTICLE
A nanopositioning system for producing a coupling interaction between a first nanoparticle and a second nanoparticle. A first MEMS positioning assembly...
BIDIRECTIONAL ELECTRICAL SIGNAL CONVERTER
A bidirectional AC-to-DC and DC-to-AC circuit includes a first inductor-capacitor (LC) circuit connected to an AC power source, a transistor synchronized with...