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Patent # Description
2018/0048296 RADIO-FREQUENCY SWITCH WITHOUT NEGATIVE VOLTAGES
Radio-frequency (RF) switch without negative voltages. In some embodiments, a RF switch includes an input node configured to receive an RF signal. The RF...
2018/0048295 ADJUSTABLE TIME DURATION FOR DRIVING PULSE-WIDTH MODULATION (PWM) OUTPUT TO REDUCE THERMAL NOISE
Noise introduced in an output signal of a pulse-width modulator (PWM) may be reduced by changing the time duration that a switch is driving the output node....
2018/0048294 Systems and Methods Providing an Intermodulation Distortion Sink
A circuit includes an active balun having an RF signal input and having differential signal outputs, the active balun including a first pair of transistors...
2018/0048293 RECONFIGURABLE RADIO FREQUENCY (RF) BANDSTOP / INTERMEDIATE FREQUENCY (IF) BANDPASS FILTER
A reconfigurable filter circuit has a first path including a transimpedance amplifier (TIA). The transimpedance amplifier has an input that receives an input...
2018/0048292 DUAL PASSBAND RADIO FREQUENCY FILTER AND COMMUNICATIONS DEVICE
Multi-band filters, communications devices, and methods of designing multi-band filters are disclosed. A multi-band filter has a lower pass-band and an upper...
2018/0048291 BULK-ACOUSTIC WAVE FILTER DEVICE
A bulk-acoustic wave filter device includes: a first substrate; a first filter disposed on the first substrate, within a cavity of the bulk-acoustic wave...
2018/0048290 ACOUSTIC WAVE DEVICE AND METHOD OF FABRICATING THE SAME
A method of fabricating an acoustic wave device includes: forming a piezoelectric thin film resonator and a second lower electrode on a substrate, the...
2018/0048289 ACOUSTIC WAVE ELEMENT, DUPLEXER, AND COMMUNICATION MODULE
An acoustic wave element of the present disclosures has a piezoelectric substrate and an acoustic wave resonator on a main surface of the piezoelectric...
2018/0048288 RESONATOR AND RESONANCE DEVICE
In a resonator is provided that suppresses a shift of a resonant frequency. The resonator includes a vibration portion that has a base with front and rear ends...
2018/0048287 BULK ACOUSTIC RESONATOR
A bulk acoustic resonator may include a substrate; a resonating portion including a first electrode layer, a piezoelectric layer, and a second electrode layer...
2018/0048286 RESONATOR AND RESONANCE DEVICE
A resonance device is provided having a resonator with opposing upper and lower lids. The resonator includes a base, and multiple vibration arms that are...
2018/0048285 RESONATOR DEVICE
A resonator with stabilized resonant frequency that includes a lower electrode, a plurality of upper electrodes, and a piezoelectric film disposed between the...
2018/0048284 RESONATOR
A resonator including a vibrating portion with first and second electrodes and a piezoelectric film formed therebetween. Moreover, a frame surrounds the...
2018/0048283 LITHIUM TANTALATE SINGLE CRYSTAL SUBSTRATE, BONDED SUBSTRATE, MANUFACTURING METHOD OF THE BONDED SUBSTRATE, AND...
The lithium tantalate single crystal substrate is a rotated Y-cut LiTaO.sub.3 single crystal substrate having a crystal orientation of 36.degree. Y-49.degree....
2018/0048282 BONDED SUBSTRATE, SURFACE ACOUSTIC WAVE ELEMENT, SURFACE ACOUSTIC WAVE DEVICE, AND METHOD OF MANUFACTURING...
There is provided a bonded substrate including: a quartz substrate; and a piezoelectric substrate which is bonded on the quartz substrate and on which a...
2018/0048281 BULK ACOUSTIC FILTER DEVICE AND METHOD OF MANUFACTURING THE SAME
A bulk acoustic filter device includes: a substrate; a cavity forming layer disposed on the substrate so as to form a cavity; a lower electrode disposed on the...
2018/0048280 ACOUSTIC RESONATOR DEVICE WITH CONTROLLED PLACEMENT OF FUNCTIONALIZATION MATERIAL
A micro-electrical-mechanical system (MEMS) resonator device includes at least one functionalization material arranged over at least a central portion, but...
2018/0048279 METHOD OF AUTOMATIC ADJUSTMENT OF A TUNABLE MATCHING CIRCUIT, AND AUTOMATIC TUNING SYSTEM USING THIS METHOD
The invention relates to a method of automatic adjustment of a single-input-port and single-output-port tunable matching circuit, for instance a...
2018/0048277 METHOD FOR SYNCHRONIZING LEFT AND RIGHT CHANNELS IN SMART AUDIO AMPLIFIERS
A method for synchronizing the left and right channels in smart audio amplifiers for stereo application, where each channel gain is determined by speaker...
2018/0048276 MULTI-MODE ENVELOPE TRACKING AMPLIFIER CIRCUIT
A multi-mode envelope tracking (ET) amplifier circuit is provided. The multi-mode ET amplifier circuit can operate in low-resource block (RB) mode and high-RB...
2018/0048275 METHOD AND DEVICE FOR GENERATING RECEIVED SIGNAL STRENGTH INDICATION
A method can include: generating a first compensation value based on a receiving frequency, where the first compensation value represents attenuations of a...
2018/0048274 Analog signal automatic gain control over copper pairs
An apparatus and method to automatically adjust a gain of an analog signal adapted to be transmitted over a twisted pair of telephone lines between a first end...
2018/0048273 SELECTIVE HIGH AND LOW POWER AMPLIFIER SWITCH ARCHITECTURE
Certain aspects of the present disclosure provide a switch architecture for switching between a low power amplifier and a high power amplifier. One example...
2018/0048272 POWER SUPPLY CIRCUIT OF WIRELESS MOBILE DEVICE
Provided is a power supply circuit for a wireless mobile device having a plurality of power amplification components. The power supply circuit includes: a...
2018/0048271 MULTI-STAGE BANDPASS LOW-NOISE AMPLIFIER
A multi-stage low-noise amplifier (LNA) device with a band pass response includes a first LNA in series with a second LNA. The device further includes multiple...
2018/0048270 Systems and Methods Providing a Matching Circuit that Bypasses a Parasitic Impedance
A circuit including a radio frequency (RF) amplifier including a transistor configured to receive an RF signal at its control terminal, a capacitor coupled to...
2018/0048269 WIDEBAND HIGHLY LINEAR AMPLIFIER
A wideband highly linear amplifier includes a plurality of pre-distortion units for respectively linearizing digital signals of a plurality of bands, a...
2018/0048268 METHOD AND SYSTEM FOR THE LINEARIZATION OF A MIMO COMMUNICATION SCHEME HAVING NONLINEAR POWER AMPLIFIERS
The invention relates to a linearized MIMO system which comprises: (a) a MIMO receiver which comprises one or more receiving units, each receiving unit...
2018/0048267 AMPLIFICATION DEVICE AND METHOD OF AMPLIFYING SIGNAL
An amplification device that amplifies two signals split from an input signal and synthesizes the amplified signals, the amplification device includes a first...
2018/0048266 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...
2018/0048265 Method and Apparatus for Supplying Power to an Amplifier
There are disclosed various methods and apparatuses for providing power to a power amplifier. In some embodiments the method comprises producing a first...
2018/0048264 BIPOLAR JUNCTION TRANSISTOR BASED SWITCHED CAPACITORS
A switched capacitor is provided. The switched capacitor includes a pair of parallel component stacks. Each stack is connected to a common top node and a...
2018/0048263 APPARATUS AND METHOD FOR CALIBRATING FREQUENCY OF OSCILLATOR IN RESPONSE TO EXTERNAL SIGNAL
A frequency calibrator includes an input signal generator configured to generate an input signal based on an oscillation signal and an external signal; a...
2018/0048262 SYSTEMS AND METHODS FOR PASSIVELY COOLING PHOTOVOLTAIC MODULES
An assembly includes a photovoltaic module including a solar cell and a cooling system including a heat pipe adapted to dissipate heat from the solar cell. A...
2018/0048261 PHOTOVOLTAIC MODULE MOUNTING SYSTEM
A photovoltaic mounting system including a photovoltaic module having a panel having an upper surface including a plurality of photocells and an opposed bottom...
2018/0048260 STRUCTURES AND METHODS FOR SUPPORTING SOLAR PANELS
Structures and methods for supporting solar panels are provided. The structure includes a plurality of tee extrusions, a plurality of legs, a plurality of...
2018/0048259 SLIDE FIT MOUNTING CLIP FOR INSTALLING PHOTOVOLTAIC MODULES
A module bracket includes first and second mounting clips (202, 204) that are spaced from each other along the pitch of a roofing surface. An inlet (212) to...
2018/0048258 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...
2018/0048257 SEMICONDUCTOR POWER MODULE AND DRIVE SYSTEM FOR ELECTRIC MOTOR
Erroneous mounting of a semiconductor power module can be more easily detected. A semiconductor power module (9) according to the present invention includes: a...
2018/0048256 METHOD FOR OPERATING AN ELECTRICAL MACHINE AND ELECTRICAL MACHINE
A method for operating an electric machine with a power source, an electric motor, and an intermediary power converter, in which an input current of the power...
2018/0048255 HALF-BRIDGE SWITCHING CIRCUIT SYSTEM
One example includes a half-bridge switching circuit system. The system includes a first plurality of switches arranged between a first rail voltage and an...
2018/0048254 VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION
A motor/generator/transmission system includes: an axle; a stator ring having a plurality of stator coils disposed around the periphery of the stator ring,...
2018/0048253 MOTOR OPERATING SYSTEMS AND METHODS THEREOF
A motor operating system includes a parameter-setting module and a control circuit. The parameter-setting module generates a first parameter-setting...
2018/0048252 ELECTRIC WORKING MACHINE, AND METHOD OF DETECTING OVERLOAD OPERATION THEREOF
An electric working machine according to one aspect of the present disclosure comprises a motor, a speed setting unit, a load detection unit, a determination...
2018/0048251 SINGLE PHASE MOTOR DRIVE CIRCUIT AND A METHOD OF DRIVING A SINGLE PHASE MOTOR
A single phase motor drive circuit for driving a single phase motor, comprising: a timer unit for receiving a sensor signal indicative of an angular position...
2018/0048250 CENTRALIZED CONTROL MECHANISM FOR MULTI-MOTOR DRIVE
A centralized control mechanism for a multi-motor drive, the mechanism including: a plurality of independent motor drive modules; a power source module; an...
2018/0048249 ELECTRIC TOOL SYSTEM
A power tool system includes a battery pack, a charger connectable to the battery pack, and a power tool body connectable to the battery pack. The battery pack...
2018/0048248 SELF-SUSTAINED FRICTIONLESS NEAR PERPETUAL MAGLEV GENERATOR AND METHOD FOR OPERATING
A perpetual self-sustained frictionless maglev generator started from an external power or battery source is disclosed. The power from the generator can be...
2018/0048247 Electricity Generating Wheel and Mat
A DC generation and storage device including a power generation section with single or multiple layers of an electret film. A rectifier is connected to the...
2018/0048246 ELECTROMECHANICAL ASSEMBLY COMPRISING AN ALTERNATOR
The invention relates to an electromechanical assembly comprising: an alternator with a wound rotor; a regulator acting on the excitation of the alternator; a...
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