At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
A high-frequency module includes a multilayer body including stacked dielectric and a pair of ground electrodes spaced apart from each other; a common terminal...
Apparatus and method for accounting for gain and timing phase error, not
accounted for by coefficients of a...
A system including a first filter. The first filter includes first taps that receive respective coefficients. The first filter, based on the coefficients,...
Acoustic wave element and acoustic wave device using same
An IDT electrode of a SAW element has a plurality of first dummy electrodes which extend from the first bus bar to the second bus bar side and have tips which...
Resonator element, resonator, oscillator, and electronic apparatus
A resonator element includes a base section, a pair of vibrating arms projecting from the base section in a +Y-axis direction, and arranged in an X-axis...
Digitally controlled phase shifter
A digitally controlled phase shifter is disclosed. In an exemplary embodiment, an apparatus includes a first component connected between a first terminal and a...
Temperature compensation in a semiconductor micromechanical resonator via
charge carrier depletion
A semiconductor resonator has a substrate with a thickness extending between a first end and a second end and a pn-junction along the thickness of the substrate...
Method for augmenting a listening experience
One variation of a method for augmenting a listening experience of a user through an audio device includes: detecting a location of the audio device; selecting...
Detection of radio signals in a receiver
Non-linear distortions, called glitches, occur in radio receivers when automatic gain control (AGC) is employed for regulating the dynamic range of the received...
LNA gain adaption based on received signal strength of signals conforming
to different communication protocols
An integrated circuit for controlling a gain of an LNA to be applied to (i) a first signal from a first communication device, and (ii) a second signal from a...
Level adjustment device
It is possible to enable automatic on/off switching of a pad and to prevent frequent occurrence of on/off switching of a pad even when a user carries out fine...
Audio processing apparatus and method
There is provided an audio processing apparatus. An obtaining unit obtains an audio signal. A first audio level controller gives a first gain to the audio...
Method and an apparatus for processing an audio signal
A method of processing an audio signal, and which includes a receiving object information including object level information indicating a level of objects,...
Operational amplifier input offset correction with transistor threshold
A device can include an operational amplifier (op amp) circuit having a differential transistor pair, a first transistor of the differential transistor pair...
An amplifying apparatus, including an amplitude-phase conversion unit to separate an input signal into first and second signals, wherein a phase difference...
Class-D amplifier having mixed signal feedback control
A Class-D amplifier includes an analog-to-digital converter (ADC), a digital filter, a digital pulse width modulation (PWM) unit, a pre-driver unit, and an...
Inverse class F amplifiers with intrinsic capacitance compensation
The embodiments described herein provide inverse class F (class F.sup.-1) amplifiers. In general, the inverse class F amplifiers are implemented with a...
Tunable radio frequency low noise amplifier
An apparatus comprising an amplifier comprising an input, a capacitor having a capacitor first side and a capacitor second side, wherein the capacitor first...
Differential output inductor for class D amplifier
A circuit includes a first input terminal for receiving a first pulsed voltage and a second input terminal for receiving a second pulsed voltage. The circuit...
Three-dimensional power amplifier architecture
The present disclosure provides a three-dimensional (3-D) transformer-based (TF-based) power amplifier architecture, including a power splitting plane having at...
System and method for a radio frequency coupler
In accordance with an embodiment, a directional coupler includes a coupler circuit and at least one amplifier coupled between a coupler circuit isolated port...
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...
Apparatus and methods for equalization
Apparatus and methods for equalization are provided. In certain implementations, an equalizer includes first and second feedback resistors, first and second...
An amplifier includes: a first operational signal path arranged to generate a first pre-output signal according to an input signal under a first operating mode...
Distortion compensation circuit and transmission device using distortion
compensation circuit and...
The purpose of the invention is to reduce Cartesian loop transmission delay for compensating the distortion occurring in a high-frequency power amplifier and...
Amplifier circuit, biasing block with output gain compensation thereof,
and electronic apparatus
An exemplary embodiment of the present disclosure illustrates an amplifier circuit comprising an amplifier block and a biasing block. The amplifier block is...
Method and apparatus for improving leakage performance of a multi-port
A method and apparatus for managing a multi-port amplifier. In one illustrative embodiment, an apparatus comprises the multi-port amplifier and a controller....
Sampling mixer circuit and receiver
The sampling mixer circuit comprises: a clock generating circuit that outputs four-phase control signals the periods of which are in accordance with the carrier...
Acoustically-engineered multi-port piezoelectric-on-semiconductor
resonators for accurate temperature sensing...
An integrated circuit device includes a multi-port piezoelectric-on-semiconductor microelectromechanical resonator, which is configured to support independent...
A resonator has a main resonator body and a secondary resonator structure. The resonator body has a desired mode of vibration of the resonator alone, and a...
Solar energy apparatus and methods
The invention is for improved solar energy collection apparatus that utilize one or more 3-dimensional porous metal absorber plates that contain one or more...
Portable folding photovoltaic module
A portable photovoltaic device comprised of photovoltaic sections separated by one, or more, hinges and that provides for the photovoltaic sections to be...
Multistage vertical solar module holder
The present invention relates to a multistage vertical solar module holder. According to the present invention, because solar modules are installed between...
Drive circuit and physical quantity measuring device
In order for keeping the amplitude of the excitation current of a vibrator constant irrespective not only of the temperature variation but also of the...
Drive circuit for a pre-phase AC motor
As described herein, a drive circuit for a three phase AC motor comprises an AC/AC converter. The converter has an input for receiving multiphase AC power from...
Electric motor frequency modulation system
A method and apparatus for controlling an electric motor. A switching frequency meeting a desired operating condition is identified from information relating to...
Redundant winding connections for multiphase electric machines
Redundant winding connections for multiphase electric machines are disclosed. According to one aspect, a multiphase machine having redundant winding connections...
Three-phase AC induction motor control device and three-phase AC induction
motor control method
Disclosed is a three-phase AC induction motor control device for controlling a torque based on a two-axis orthogonal coordinate system in synchronization with a...
System and method for voltage control of wind generators
A system and associated method for reactive power generation for a wind turbine generator includes receiving a higher-than-generator level voltage command...
Modularized control circuit of fan motor and method of operating the same
A modularized control circuit of a fan motor is used to provide a phase-sensing control to the fan motor. The modularized control circuit includes a driving...
Method of controlling an electric motor of a power steering system, and
power steering system
A method of controlling an electric motor of a power steering system having at least three windings is described, wherein a control unit applies a current to...
Image forming apparatus including motor that drives image forming
apparatus, controller that controls motor,...
An image forming apparatus includes a longitudinally conveying motor, a main-body-side control board, and a sensor. In the longitudinally conveying motor, an...
Linear motor device and method for controlling linear motor device
A linear motor device includes a linear motor and a control unit configured to apply a load to a pressurizing object by causing a movable part of the linear...
A 0-axis current calculator 7 configured to calculate a target value of the 0-axis current by setting the current of the open phase to be zero when one of the...
Control apparatus for AC motor
According to a control apparatus for an AC motor, a switching section selects a two-phase control current value as a current fixing value, when a first current...
Piezoelectric actuator, robot hand, and robot
A piezoelectric actuator includes a vibrating body including a piezoelectric device; a driving circuit that supplies a driving signal to the piezoelectric...
Converter arrangement having a filter
A converter arrangement has at least one AC voltage connection, at which an alternating current can be fed in or drawn, and at least one DC voltage connection,...
Voltage converter with soft communication networks
Embodiments of the present invention describe a voltage converter and a method for operating the voltage converter. In one embodiment the voltage converter...
Actuating circuit for three-level inverter
An actuating circuit having a primary-side circuit part with an actuating logic circuit and a primary-side reference potential, and four secondary-side circuit...
Adjustable PWM method to increase low speed starting torque and inverter
voltage measurement accuracy
Methods, control apparatus and computer readable mediums are presented for controlling a switching inverter in which a controller selectively suspends PWM...
Power system controlling and monitoring power semiconductor devices
employing two serial signals
A power system includes a power semiconductor devices; a control circuit outputting first firing signals each being for a corresponding power semiconductor...