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Patent # Description
US-9,608,584 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
The invention relates to the measurement and control of the perceived sound loudness and/or the perceived spectral balance of an audio signal. An audio signal...
US-9,608,583 Process for adjusting the sound volume of a digital sound recording
The present invention relates to a process for adjusting the sound volume of a digital sound recording characterised in that it comprises: a step consisting of...
US-9,608,582 Method for an adaptive transconductance cell utilizing arithmetic operations
A first transconductance cell having a differential input voltage .DELTA.V1 and a forced output current .DELTA.I1, has a bias set by a feedback loop. A second...
US-9,608,581 Differential amplifier
A differential amplifier includes an amplifying stage that outputs an output signal by amplifying an input signal with a gain set by a control signal, and an...
US-9,608,580 Biosignal amplifying circuit
A biosignal apparatus is described including an amplifier and a sampler. The amplifier is configured to alternate between an operating state and a low power...
US-9,608,579 Apparatus and methods for paralleling amplifiers
Provided herein are apparatus and methods for low distortion composite amplifiers with high load current. In certain configurations, a composite amplifier can...
US-9,608,578 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...
US-9,608,577 Radio frequency front end module circuit incorporating an efficient high linearity power amplifier
A novel and useful radio frequency (RF) front end module (FEM) circuit that provides high linearity and power efficiency and meets the requirements of modern...
US-9,608,576 Apparatus and methods for power amplifier bias circuits
Apparatus and methods for power amplifier bias circuits are disclosed herein. In certain implementations, a power amplifier bias circuit includes a current...
US-9,608,575 Signal amplifying circuit with noise suppression function
A signal amplifying circuit with noise suppression function includes a first circuit module and a second circuit module. The first circuit module includes a...
US-9,608,574 Port isolation in shared transformers
Techniques for improving performance of a transformer shared amongst a plurality of operating modes. In an aspect, first and second primary windings of a...
US-9,608,573 Balanced Doherty power amplifier circuit and radio transmitter
A balanced Doherty power amplifier circuit and a radio transmitter is provided. The circuit includes a first peak amplifier, where an input end of the first...
US-9,608,572 Power amplifier
A power amplifier includes a power splitter that splits a first signal into a second signal and a third signal delayed from the second signal by about...
US-9,608,571 High efficiency variable voltage supply
Aspects of the present disclosure are generally directed to a power supply for generating an output supply voltage. The power supply generally includes a...
US-9,608,570 Amplifier calibration methods and circuits
An amplifier calibration system has a calibration controller, a comparator coupled between an amplifier to be tested and the calibration controller, and an...
US-9,608,569 Linearizing scheme for baseband filter with active feedback
A method and apparatus for linearizing a baseband filter are provided. The apparatus is configured to, via a first conducting module, receive a first current...
US-9,608,568 Transconductance optimization using feedback-balun-transformer with inductance degeneration combinations
Disclosed are apparatuses and methods to overcome technology limitations to achieve linearity and efficiency performance suitable for practical wireless...
US-9,608,567 Transceiver module
A transceiver comprising a tank circuit, a variable differential conductance, VDC, coupled to the tank circuit, and a variable resistance coupled to the VDC is...
US-9,608,566 Charge pump circuit
When a voltage difference between a raised output voltage vcp and an input voltage vin is larger than a set voltage value, based on a added-on voltage vup...
US-9,608,565 Electric circuit of a generator of oscillations
The invention relates to an electric circuit of a generator of oscillations, comprising an enhancement-mode field transistor T1, inductance L1 and resistance R1...
US-9,608,564 Metamaterial resonator based device
The present disclosure is directed a metamaterial circuit may further be coupled to a mobius strip resonator or a substrate integrated waveguide. The disclosure...
US-9,608,563 Method for detecting the degree of soiling of PV modules
A method for detecting the degree of soiling of PV modules of a string includes the following steps: determination of the deviations of the string power output...
US-9,608,562 Cooling fixture for solar photovoltaic panels
The cooling fixture for solar photovoltaic panels has a hollow support platform made from thermally conductive metal that contains a heat exchange medium,...
US-9,608,561 Power generation control apparatus, solar power generation system, and power generation control method
A power generation control apparatus (14) includes a solar cell controller (18) and a range determinator (20). The solar cell controller (18), while changing at...
US-9,608,560 Solar power generation apparatus with non-equidirectional solar tracking stages
A solar power generation apparatus with non-equidirectional solar tracking stages. At the beginning of sunrise, a solar power generation module is driven by a...
US-9,608,559 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 the...
US-9,608,558 Calculation of MOSFET switch temperature in motor control
Systems and techniques are described for monitoring the operating temperature of one or more circuit elements, such as a metal oxide field effect transistor...
US-9,608,557 Method for controlling operation of an electric motor in a height-adjustable furniture arrangement
The present invention relates to a method for controlling operation of an electric motor in a height-adjustable furniture arrangement, wherein operation of the...
US-9,608,555 Method for actuating a polyphase machine
A method is described for activating a multiphase machine that has a link circuit equipped with a link circuit capacitor, phase windings, and one high-side...
US-9,608,554 D-Q control system and method for controlling a switched reluctance motor
A D-Q or rotating reference frame control system for a switched reluctance motor (SRM) provides a negativity removal module and a non-linear model module. As...
US-9,608,553 Method and device for controlling an electric motor propulsion unit with decoupled controls
A method of controlling an electric motor including a rotor and a stator, sensors for measuring currents flowing in the rotor and in the stator, a mechanism...
US-9,608,552 Frequency converter parameter optimization
A method is provided for optimizing a parameter used in a frequency converter connected to an electrical rotating machine. The method includes identifying a...
US-9,608,551 Reducing peak fault output current in a DC power generation system
Technologies for reducing peak fault output current in a DC power generation system include a generator having a reduced damper winding and a controller to...
US-9,608,550 Lightup prevention using multi-layer ceramic fabrication techniques
In accordance with this disclosure, there are provided several inventions, including an electrostatic chuck apparatus comprising multiple layers with cutouts...
US-9,608,549 Electrostatic chuck
Embodiments of electrostatic chucks are provided herein. In some embodiments, an electrostatic chuck for retaining a substrate includes a base plate, a ceramic...
US-9,608,548 Power generating device and electronic component
A power generating device includes: a piezoelectric member that is formed from a piezoelectric material; one pair of electrodes that are installed to the...
US-9,608,547 Microfluidic manipulation and sorting of particles using tunable standing surface acoustic wave
An apparatus for manipulating particles uses tunable standing surface acoustic waves includes a channel defined on a substrate and a pair of variable frequency...
US-9,608,546 Actuator
An actuator includes a first deformable material layer, a second deformable material layer, and an intermediate layer provided between the first deformable...
US-9,608,545 Switching interference suppression in motor driving circuits using space vector pulse width modulation (PWM)
Circuits and methods for driving a load are disclosed. An exemplary driving circuit may include a plurality of switching devices and a controller electrically...
US-9,608,544 Energy supply system comprising an energy storage device and method for actuating coupling devices of the...
The invention relates to an energy supply system having an energy storage device. The energy storage device has a plurality of energy storage modules that are...
US-9,608,543 Turn-off overvoltage limiting for IGBT
A turn-off overvoltage limiting for IGBT is described herein. The injection of a sample of the overvoltage across the IGBT in the gate drive to slow down the...
US-9,608,542 III-nitride power conversion circuit
According to an exemplary embodiment, a III-nitride power conversion circuit includes a gate driver having a plurality of cascaded inverters, each of the...
US-9,608,541 DC-to-AC conversion apparatus and method of operating the same
A DC-to-AC conversion apparatus converts a DC input power source to a three-phase AC output power source. The DC-to-AC conversion apparatus includes an input...
US-9,608,540 Method and device for controlling an inverter
The invention relates to a method (60) for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine...
US-9,608,539 Power supply device
In a power supply device the bridge circuit is configured such that a plurality of series circuits of two inverse parallel connection circuits of a...
US-9,608,538 Common zero volt reference AC / DC power supply with positive and negative rectification and method of...
A common zero volt reference AC/DC power supply with positive and negative rectification, and method of operation thereof. The power supply comprises an input...
US-9,608,537 Active rectifier and regulator circuit
The various embodiments described herein include systems, methods and/or devices used to produce a rectified and regulated output signal. In one aspect, the...
US-9,608,536 Electric-power conversion system including single-phase inverter
The number of constituent components is reduced so as to provide a small-size and inexpensive electric-power conversion system. The electric-power conversion...
US-9,608,535 Electric-power conversion system having plurality of single-phase inverter circuits
The number of constituent components is reduced so as to provide a small-size and inexpensive electric-power conversion system. The electric-power conversion...
US-9,608,534 Power conversion system, and voltage detection device thereof
A detection target voltage is divided by a voltage divider circuit wherein a large number of resistor circuits, each of which is formed by a plurality of...
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