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Patent # Description
US-9,490,774 Channel select filter apparatus and method
Channel select filter circuits are described. One circuit implements a multiplying element and digital-to-analog converter as a differential current mode...
US-9,490,773 Vibrating element, electronic device, electronic apparatus, and moving object
A tuning fork-type vibrator element as a vibrating element includes a drive vibrating arm that performs a flexural vibration, and a drive electrode (a first...
US-9,490,772 Ceramic package, electronic component device, and method for manufacturing the electronic component device
A ceramic package includes a package body made of a ceramic and including a pair of surfaces, and side surfaces, disposed between four sides of one of the...
US-9,490,771 Acoustic resonator comprising collar and frame
An acoustic resonator structure comprises a first electrode disposed on a substrate, a piezoelectric layer disposed on the first electrode, a second electrode...
US-9,490,770 Acoustic resonator comprising temperature compensating layer and perimeter distributed bragg reflector
An acoustic resonator structure includes a bottom electrode disposed on a substrate, a piezoelectric layer disposed on the bottom electrode, a top electrode...
US-9,490,769 Vertical differential resonator
A micromechanical device includes a substrate, a micromechanical structure supported by the substrate and configured for overtone resonant vibration relative to...
US-9,490,768 High frequency band pass filter with coupled surface mount transition
A high frequency band pass filter with a coupled surface mount transition is provided, including a filter substrate, circuit connection elements defining input...
US-9,490,767 Network signal coupling circuit assembly
A network signal coupling circuit installed in a circuit board and coupled between a network-on-chip and a network connector is disclosed to include a coupling...
US-9,490,766 Shielded multi-stage EMI noise filter
Electromagnetic interference (EMI) noise filter embodiments and methods for filtering are provided herein. EMI noise filters include multiple signal exclusion...
US-9,490,765 Microphone biasing circuitry and method thereof
A host device for use with a removable peripheral apparatus having a microphone, and to the biasing circuitry for said microphone. The host device may have a...
US-9,490,764 Fast automatic gain control (AGC) for packet based systems
A method and apparatus for use in a packet based wireless communication system for reducing automatic gain control (AGC) convergence time at a receiver are...
US-9,490,763 Audio signal output device and audio output system
This audio signal output device includes an audio signal output portion, a volume setting information acquisition portion, and a control portion acquiring...
US-9,490,762 Operational transconductance amplifier with increased current sinking capability
Described herein is an electronic device. The electronic device includes a unity gain buffer having an input coupled to an input node to receive an input...
US-9,490,761 Device for balancing the rise and fall slew-rates of an operational amplifier
An amplifier includes a pair of transistors connected in a differential stage, and a bias current source connected to a common node of the differential stage. A...
US-9,490,760 Self-timed differential amplifier
The present invention provides a self-timed differential amplifier, including an amplifier unit, having a pair of read/write terminals, wherein data is read or...
US-9,490,759 Neutralization of parasitic capacitance using MOS device
An apparatus comprises an amplifier comprising at least one metal oxide semiconductor (MOS) transistor having a parasitic gate-to-drain capacitance, and at...
US-9,490,758 Power amplifier
There is provided a power amplifier capable of readily reducing odd-order harmonic waves even in high frequencies. This power amplifier includes n current...
US-9,490,757 Implementing enhanced bias configuration for CMOS inverter based optical transimpedance amplifier
A method and circuit are provided for implementing an enhanced bias configuration for CMOS inverter based optical Transimpedance Amplifiers (TIAs). An...
US-9,490,756 Phase-stiff RF power amplifier for phased array transmit/receive modules
A phase-stiff radio frequency power amplifier (RFPA) is disclosed. The high phase-stiffness property of the RFPA obviates the need for a circulator or other...
US-9,490,755 Phase shift and attenuation circuits for use with multiple-path amplifiers
Embodiments of circuits for use with an amplifier that includes multiple amplifier paths include a first circuit and a second circuit in parallel with the first...
US-9,490,754 High-frequency drain power supply to decrease power dissipation in class-AB power amplifiers
The present invention relates to the control of power amplifiers in order to enhance the efficiency of the amplifier by tracking the envelope of input signal...
US-9,490,753 Apparatuses and systems for a bias network with accurate quiescent current control
Embodiments of apparatuses and systems for a bias network providing accurate quiescent current control are generally described herein. Other embodiments may be...
US-9,490,752 RF amplifier having a transition shaping filter
A radio frequency (RF) power amplifier system or transmitter includes one or more power amplifiers and a controller that is configured to adjust amplitudes and...
US-9,490,751 Power amplifier modules including bipolar transistor with grading and related systems, devices, and methods
One aspect of this disclosure is a power amplifier module that includes a first die including a power amplifier and a passive component, the power amplifier...
US-9,490,750 Systems and methods for performing demodulation and modulation on software defined radios
A system and method are provided for extracting and demodulating one or more channels in a radio signal. The method includes receiving a first radio signal...
US-9,490,749 Frequency translation device and wireless communication system using the same
A frequency translation device includes a transmit circuit including a first frequency converter configured to convert a signal at a first frequency into a...
US-9,490,748 Receiving device
A receiving device includes a dividing circuit, N pieces of internal circuits, and an averaging circuit. The dividing circuit is configured to divide an input...
US-9,490,747 Re-configurable single transformer quadrature voltage controlled oscillator
A quadrature voltage controlled oscillator (QVCO). The QVCO includes a first node for providing a first quadrature signal, a second node for providing a second...
US-9,490,746 Voltage-controlled oscillator and a method for tuning oscillations
A voltage-controlled oscillator and a method for tuning oscillations. The oscillator comprises a resonator input connected to an oscillator core and a frequency...
US-9,490,745 Voltage-controlled oscillator
A voltage-controlled oscillator comprises a tank circuit and first and second pairs of transistors. Each transistor comprises a gate, a drain, and a source. The...
US-9,490,744 Oscillator regulation circuitry and method
Oscillator regulation circuitry is provided for regulating a frequency of an output signal generated by an oscillator. Oscillator regulation circuitry has...
US-9,490,743 Grounding clips and tabs for mounting components to solar modules
This disclosure generally relates to integrated grounding for solar modules and electrical wire management, and more specifically, to grounding clips and tabs...
US-9,490,742 Motor control apparatus
A motor control apparatus includes an A/D converter to apply A/D conversions to a motor current signal and a resolver output signal, respectively; a processor...
US-9,490,741 Motor control device
A motor control device according to the invention includes: a mode setting section that sets one of a first mode in which a charge/discharge current of a...
US-9,490,740 Dynamically reconfigurable motor and generator systems
An apparatus for controlling a motor/generator having a plurality of windings comprises a stator magnetically coupled to a rotor and having a plurality of slots...
US-9,490,739 Fan system--rotation speed control circuit and method for rotation speed error auto-calibration thereof
A rotation speed control circuit with function of auto-calibrating rotation speed error is disclosed. The rotation speed control circuit includes a first...
US-9,490,738 Sensorless motor drive vector control
Disclosed examples include methods, computer readable mediums and motor drive power conversion systems for sensorless speed control of a motor driven by an...
US-9,490,737 Wound field synchronous machine with resonant field exciter
A brushless field exciter for wound synchronous machines that uses the resonance of the leakage inductance and a capacitor in a resonant field exciter to...
US-9,490,736 Adjustable assembly of rotor and stator and applications thereof with a variable power generator
A variable power generator comprises one of a stator and a rotor which is adjustably movable through an infinite number of positions from being proximate to one...
US-9,490,735 Motor driving module and brushless DC motor system
A motor driving module is provided which includes a motor driving unit configured to control a PWM inverter on the basis of positional information and a control...
US-9,490,734 Motor control device and method of controlling the same
A motor control device including a preprocessing portion calculating a counter electromotive force using an analog operation is provided. The motor control...
US-9,490,733 Method and system for controlling a permanent magnet synchronous motor
A method is disclosed for controlling a synchronous motor by determining a rotor position of the synchronous motor based on estimating a flux linkage. The...
US-9,490,732 Power conversion apparatus, electronic steering system, electric vehicle, electronic control throttle and power...
An object is to prevent the motor from carrying out a regeneration braking operation even if any of phase output lines is short-circuited to VB or GND in...
US-9,490,731 Fan motor driving apparatus and method, cooling system including the same, and electronic equipment
A motor driving apparatus comprises an H bridge circuit having outputs coupled with a motor coil of a single-phase motor, a hall comparator configured to...
US-9,490,730 Control circuit and method for controlling a multiphase motor
A circuit for controlling a multiphase SRM motor, comprising for each winding a low-side and a high-side transistor, and a low-side and a high-side diode for,...
US-9,490,729 Magnetostrictive vibration power generation device
A magnetostrictive vibration power generation device including: a longitudinal magnetostrictive element formed of a magnetostrictive material and configured to...
US-9,490,728 Magnetoelectric energy harvesting
An energy harvesting device for harvesting energy from a moving structure includes a housing allowing transmission of magnetic fields therethrough. A...
US-9,490,727 Method for calibrating a multiphase inverter, operating apparatus, computer program, and computer program product
The invention relates to a method for calibrating a multiphase, in particular three-phase, inverter (1) having a respective switching element (T.sub.1, T.sub.2,...
US-9,490,726 Contactless power supply device
In order to obtain a contactless power supply device which, even when a spatial gap between a primary winding and a secondary winding varies, is capable of not...
US-9,490,725 Multi-stage programmable rectifier with efficiency tracking
Examples of multi-stage programmable rectifiers are provided herein. Each rectifier stage can include a first transistor and a switch connected to the first...
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