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Patent # Description
US-1,023,0350 Surface acoustic wave filters with extracted poles
Bandpass filters and methods of designing bandpass filters are disclosed. A bandpass filter includes a plurality of series acoustic resonators connected in...
US-1,023,0349 Acoustic wave device
An acoustic wave device is an end surface reflection-type acoustic wave device and includes a substantially rectangular-parallelepiped composite substrate in...
US-1,023,0348 Sub-network enhanced reflectionless filter topology
Reflectionless low-pass, high-pass, band-pass, band-stop, all-pass, and all-stop filters, as well as a method for designing such filters is disclosed, along...
US-1,023,0347 Telecommunications device comprising an EBD circuit, a tunable impedance network and a method for tuning a...
A system having a tunable impedance network and a method of tuning a tunable impedance network are disclosed. In one aspect, a telecommunications device...
US-1,023,0346 Acoustic voice activity detection
Techniques for acoustic voice activity detection (AVAD) is described, including detecting a signal associated with a subband from a microphone, performing an...
US-1,023,0345 System, apparatus and method for performing automatic gain control in a receiver for short range wireless...
In one example, a receiver includes: a low noise amplifier (LNA) to receive and amplify a radio frequency (RF) signal, the LNA having a first controllable gain;...
US-1,023,0344 Adjustable gain power amplifier, gain adjustment method and mobile terminal
An adjustable gain power amplifier, a gain adjustment method and a mobile terminal are disclosed. The adjustable gain power amplifier comprises an input...
US-1,023,0343 Power supply for class G amplifier
A Class G amplifier system including a processing unit configured to receive an input signal and output a delayed processed input signal, a class G amplifier...
US-1,023,0342 Systems and methods for processing and recording audio
Improved systems and methods for processing and recording audio received from one or more wired or wireless devices. In one aspect, the dynamic range of an...
US-1,023,0341 High efficiency voltage mode class D topology
A high efficiency voltage mode class D amplifier and energy transfer system is provided. The amplifier and system includes a pair of transistors connected in...
US-1,023,0340 Wide modulation bandwidth radio frequency circuit
A wide modulation bandwidth radio frequency (RF) circuit is provided. In examples discussed herein, the RF front-end circuit includes a tracker circuit...
US-1,023,0339 Wide-band amplifiers using clipper circuits for reduced harmonics
The present invention breaks up the frequency bands which can be filtered by a simple low-loss band-pass or low pass filter. The second harmonic frequency is...
US-1,023,0338 High-frequency amplifier module
A semiconductor substrate includes emitter electrodes for multiple high-frequency amplifying transistors. An insulating substrate includes multiple land...
US-1,023,0337 Impedance transformation circuit for amplifier
Aspects of this disclosure relate to an impedance transformation circuit for use in an amplifier, such as a low noise amplifier. The impedance transformation...
US-1,023,0336 RF power detector circuits
A radio frequency (RF) power detector includes a first circuit having a first rectifying diode with a first terminal coupled to a first power supply voltage...
US-1,023,0335 Temperature compensated power amplifier gain
A temperature compensation circuit comprises a temperature coefficient circuit that generates a temperature coefficient that is temperature dependent and a...
US-1,023,0334 Amplifier circuit with overshoot suppression
An amplifier circuit including an input amplifier, an output amplifier and a diode device is provided. The output amplifier is coupled to the input amplifier...
US-1,023,0333 Power amplifier, radio remote unit, and base station
A power amplifier, a radio remote unit (RRU), and a base station, where the power amplifier includes an envelope controller, a main power amplifier, and an...
US-1,023,0332 Apparatus and methods for biasing low noise amplifiers
Apparatus and methods for biasing low noise amplifiers are provided herein. In certain configurations, a low noise amplifier (LNA) includes an input, an output,...
US-1,023,0331 Digital frequency converter and method of processing in a digital frequency converter
A frequency converter comprising a frequency transposition block for samples (11.sub.Q.sub._.sub.1, 11.sub.Q.sub._.sub.2), a filtering block ...
US-1,023,0330 Oscillator and calculating device
According to one embodiment, an oscillator includes first to third conductive bodies, a first stacked unit, and a magnetic unit. The first conductive body...
US-1,023,0329 Photonic degradation monitoring for semiconductor devices
Methods of testing a semiconductor, and semiconductor testing apparatus, are described. In an example, a method for testing a semiconductor can include applying...
US-1,023,0328 Method and system for monitoring the quality of photovoltaic cells
A method and system for monitoring the quality of photovoltaic cells is described, the method including for each cell: an excitation step, during which the cell...
US-1,023,0327 Method for determining the carrier lifetime
A method determines the carrier lifetime in a point of a surface of a sample, and includes in absence of illumination, measuring, at the point, a parameter P...
US-1,023,0326 System and method for energy harvesting system planning and performance
A method of evaluating energy harvesting potential includes receiving point-in-time illuminance data into a mobile device for incorporation into a building...
US-1,023,0325 Remote array mapping
Electrical component location is provided. Employed location techniques may include providing a cycling signal, having components to be located sense the...
US-1,023,0324 Support assembly for photovoltaic modules and mounting system using the same
A support assembly for supporting one or more photovoltaic modules on a support surface, such a generally flat roof, is disclosed herein. The support assembly...
US-1,023,0323 Motor drive device
A lubricating oil temperature sensor to detect a temperature of a lubricating oil is provided in a lubricating oil passage in a speed reducer, a coil...
US-1,023,0322 Smart motor driver architecture with built-in MEMS sensor based early diagnosis of faults
A system in package encloses a sensor and motor driver circuit. In an implementation, the sensor is an integrated circuit micro-electro-mechanical-systems...
US-1,023,0321 System and method for preventing permanent magnet demagnetization in electrical machines
A motor drive for driving a permanent magnet electrical machine includes an inverter having switches that are selectively operated to control current flow and...
US-1,023,0320 Motor drive device
Provided is a motor drive device capable of adjusting a 0-axis current to a desired value. A motor drive device (inverter device 100) for an open winding type...
US-1,023,0319 Higher-electro-infusion systems for electrical power
This system changes the way internal Gasoline, Diesel, Turbine, and Combustion Engines (10) operating portable Alternators/Generators (30), or Stationary Power...
US-1,023,0318 Method for estimating parameter of induction machines
Disclosed embodiments relate to methods, apparatuses, and systems for estimating parameters of an induction machine. In some embodiments, a method for...
US-1,023,0317 Motor and fan having motor
A fan and a motor thereof are provided. The motor includes a motor drive device. The motor drive device includes a printed circuit board. A control management...
US-1,023,0316 Motor driving device and application apparatus
A motor driving device for brushless direct current motors and an application apparatus thereof are provided. The motor driving device includes an inverter, a...
US-1,023,0315 Use of battery as the DC power source in portable/expandable or fixed conveyors to drive DC motors
A motorized conveyor system comprising: (a) one or more electrical motors that create movement in the conveyor system; (b) one or more rechargeable batteries...
US-1,023,0314 Power generation element and actuator using structure of said power generation element
A power generation element of inverse magnetostrictive type has: a first power generation part including a first magnetostrictive rod made of magnetostrictive...
US-1,023,0313 Roll of interlayer
A roll of interlayer, suitable for laying between layers of pavement, the roll of interlayer includes at least one layer of interlayer material, a plurality of...
US-1,023,0312 Vibration wave motor
A vibration wave motor includes a vibration plate having a flat plate portion and protruding portions, a piezoelectric element that performs high-frequency...
US-1,023,0311 Method and apparatus of dead time tuning in an inverter
A method prevents shoot-through currents and reduces body-diode conduction time in an inverter circuit by changing dead times for transistors in the inverter...
US-1,023,0310 Safety switch for photovoltaic systems
Various implementations described herein are directed to a methods and apparatuses for disconnecting, by a device, elements at certain parts of an electrical...
US-1,023,0309 Synchronous bridge rectifier, methods of operation thereof and components thereof
A synchronous bridge rectifier comprises a plurality of synchronously switched elements and a plurality of controller circuits, one for each of the...
US-1,023,0307 Shunt device in lighting control system without neutral wire
A device (340, 440, 540) is connected to an output terminal of a controller (330), having a single input terminal connected to a first power terminal of an...
US-1,023,0306 Bidirectional DC/DC converter
A power conversion device, which includes an insulation type full bridge converter and can switch a power transmission direction at a high speed, is provided. A...
US-1,023,0304 Systems and methods for reducing electromagnetic interference by adjusting switching processes
System and method for regulating a power conversion system. An example system controller for regulating a power conversion system includes a signal generator...
US-1,023,0303 Isolated switching power converter with data communication between primary and secondary sides
An isolated switching power converter is provided wherein a secondary side is valley mode switched to transmit data to a primary side. This provides secondary...
US-1,023,0302 High efficiency switching boost converter with reduced inductor current ripple
A voltage or current regulated power converter is presented. The power converter is configured to derive electrical power at an output voltage V.sub.out at an...
US-1,023,0301 Non-isolated DC/DC converter
A buck converter includes a switching transistor. A switching line connected to a source of the switching transistor is connected to a ground of a controller....
US-1,023,0300 Power converter predriver system with multiple power modes
In accordance with embodiments of the present disclosure, a system for power conversion may include a power converter comprising a power inductor and a switch...
US-1,023,0299 PFC circuits with very low THD
A boost chopper circuit is described that an alternating current (AC) power source; at least one inductor connected to said AC power source; a rectifier...
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