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Patent # Description
US-9,912,294 Distributed pole-zero compensation for an amplifier
An amplifier includes an amplifier input and an amplifier output. A compensation network is coupled to the amplifier output. The compensation network includes...
US-9,912,293 Sub-harmonic mixer and a method therein for converting radio frequency signals to intermediate frequency signals
A sub-harmonic mixer two or more cascaded stages for converting a Radio Frequency signal to an Intermediate Frequency signal. Each stage comprises a...
US-9,912,292 Resonation device, oscillator, electronic apparatus, and moving object
In a crystal resonator, a resonator element is installed in a package via a first bonding member and a second bonding member, and when viewed from above, a...
US-9,912,291 Method and system for testing indirect bandgap semiconductor devices using luminescence imaging
Embodiments of methods and systems for identifying or determining spatially resolved properties in indirect bandgap semiconductor devices such as solar cells...
US-9,912,290 High current burn-in of solar cells
A method of high reverse current burn-in of solar cells and a solar cell with a burned-in bypass diode are described herein. In one embodiment, high reverse...
US-9,912,289 Distributor load cell for determining phase current in photovoltaic installations
The present disclosure proposes: a distributor measuring box designed to be installed on a photovoltaic solar module, having a housing with a support section...
US-9,912,288 Cable termination for solar junction box
A solar junction box for a solar panel having at least one photovoltaic cell and a foil electrically connected to the at least one cell includes a housing...
US-9,912,287 Solar cell module and method of fabricating the same
A solar cell module according to the embodiment includes a support substrate having a single hole at a peripheral region of the support substrate; solar cells...
US-9,912,286 Foldable parasol
A foldable parasol having a top surface with a plurality of rigid surfaces, each having at least one solar cell fixed thereto, and at least one mechanical hinge...
US-9,912,285 Solar photovoltaic module clamping system
A clamping system for securing the corners of four photovoltaic modules to a carport purlin, the clamping system having upper and lower body portions with an...
US-9,912,284 Self-sealing mounting bracket for roof mounted structures
A self-sealing mounting bracket includes an outer shell that defines at least one downwardly facing chamber. A plunger is located in the downwardly facing...
US-9,912,283 Solar energy apparatus and method
Disclosed embodiments include multi-plane photovoltaic modules and/or solar panel arrangements, as well as solar farms constituted with such ...
US-9,912,282 Motor control device
A motor control device includes: a substrate on a heat sink; switching elements providing a power converter; a drive circuit IC having a pre-driver; a control...
US-9,912,281 Motor driving apparatus including overcurrent detection unit
A motor driving apparatus includes a motor driving unit for converting DC voltage on a DC link into AC voltage when a switching device is turned on/off and...
US-9,912,280 Rotating electric machine control device
A rotating electric machine control device includes: an inverter in each winding set of a rotating electric machine having high and low potential-side switching...
US-9,912,279 Circuit with current sharing alternately switched parallel transistors
A method of operating parallel connected transistors including a first transistor and a second transistor having their respective collectors and emitters...
US-9,912,278 Method of forming a semiconductor device and structure therefor
In one embodiment, a control circuit for a linear vibration motor may be configured to drive the linear vibration motor to vibrate using a closed loop run mode...
US-9,912,277 Method of forming a semiconductor device and structure therefor
In one embodiment, a control circuit for a linear vibration motor may be configured to drive the linear vibration motor to vibrate using a closed loop run mode...
US-9,912,276 Method of forming a semiconductor device and structure therefor
In one embodiment, a control circuit for a linear vibration motor may be configured to drive the linear vibration motor to vibrate using a closed loop run mode...
US-9,912,275 Normalization of motor phase measurements
A method of normalizing phase measurements for a motor using a normalizing phase measurements (NPM) algorithm that a processor implements to cause a motor...
US-9,912,274 AC rotating machine control device and electric power steering device equipped with same
This AC rotating machine control device includes: power limiting means 6 for limiting drive power supplied for driving the AC rotating machine; and power feed...
US-9,912,273 Method for controlling an asynchronous electrical motor
A method for controlling an asynchronous electrical motor, implemented in a processing unit associated with a power converter connected to the electrical motor,...
US-9,912,272 Control device, control method of secondary excitation device, and variable speed pumped-storage generating system
According to one embodiment, there is provided a control device of a secondary excitation device which supplies a rotary machine with a voltage or current of a...
US-9,912,271 Linear actuator and method for controlling the same
The present invention provides a linear actuator including a motor; a linear driving unit coupled to the motor and including a magnet; a sensor unit configured...
US-9,912,270 Motor drive device
A motor drive device includes: a drive circuit unit having a plurality pair of switching elements and a plurality pair of free wheel diodes connected in...
US-9,912,269 Motor drive circuit and illumination apparatus and method
A motor-drive circuit includes: an output transistor configured to supply a drive current to a motor for a cooling fan; a switching-control circuit configured...
US-9,912,268 Sensor-less circuit and method for detecting a rotor position
In accordance with an embodiment, a sensor-less detection circuit is provided that includes a first voltage adjustment circuit coupled for receiving an induced...
US-9,912,267 Rotor lock detection
A circuit comprises a position sensing circuit to sense first and second position states of a rotating object, a first counter storing a first counter value,...
US-9,912,266 Motor torque ripple reduction using DC bus harmonics
A method and system of reducing/eliminating ripple in an electric motor. An electric parameter, such as current is sensed in an input electric signal. Ripple is...
US-9,912,265 Method for controlling an alternating current electric machine, and a frequency converter
Invention is related to a method for controlling an alternating current electric machine with a frequency converter including a controllable machine bridge and...
US-9,912,264 System and method for limiting vibration of electric motor
A system and method for limiting the vibration of an electric motor so as to avoid situations in which extreme vibration may result in damage to the motor or...
US-9,912,263 Controller and method for transitioning between control angles
A control system for a refrigeration system motor includes an angle determination module that generates an output rotor angle indicating a desired angle of a...
US-9,912,262 Positioning arrangement for moving an object that is to be positioned
A positioning arrangement is provided for moving an object that is to be positioned (9) with at least one positioning axis (11), wherein at least two electric...
US-9,912,261 Variable frequency drive motor control
Various embodiments include a variable frequency drive motor control apparatus. The apparatus includes a main controller having a first interface. A motor...
US-9,912,260 Drive control circuit for linear vibration motor and method
A drive signal generating unit generates a drive signal used to alternately deliver a positive current and a negative current to a coil. A driver unit generates...
US-9,912,259 Thyristor starting device and control method therefor
A thyristor starting device includes: a converter which converts AC power supplied from an AC power source into DC power; a DC reactor which smooths a DC...
US-9,912,258 Electrostatic chuck assemblies capable of bidirectional flow of coolant and semiconductor fabricating apparatus...
An electrostatic chuck assembly, including an electrostatic chuck on which a substrate is loaded; a channel that provides a flow passage for coolant in the...
US-9,912,257 Methods and systems for micro machines
A micro machine may be in or less than the micrometer domain. The micro machine may include a micro actuator and a micro shaft coupled to the micro actuator....
US-9,912,255 Electrostatic actuator, variable capacitance capacitor, electric switch, and method for driving electrostatic...
An electrostatic actuator includes: a fixed driving electrode that is disposed on a silicon substrate; a movable driving electrode that is disposed so as to...
US-9,912,254 Non-contact rotary power transfer system
A power delivery system includes a rotary transformer having a primary winding and a secondary winding and configured to transfer power between stationary...
US-9,912,253 Full bridge tunnel diode inverter
Systems and methods for electrical power conversion include the provision of a full-bridge tunnel diode inverter topology which provides a balanced push-pull...
US-9,912,252 Pre-charge circuit and photovoltaic inverter
Provided is a pre-charge circuit and a photovoltaic inverter. The pre-charge circuit includes an alternating current power source, a half-bridge rectifier, an...
US-9,912,251 Systems and methods for controlling multi-level diode-clamped inverters using space vector pulse width...
Control systems for a multi-level diode-clamped inverter and corresponding methods include a processor and a digital logic circuit forming a hybrid controller....
US-9,912,250 Inductive power transfer control
An inductive power transfer (IPT) control method is disclosed for controlling the output of an IPT pick-up. The invention involves selectively shunting first...
US-9,912,249 Rectifying circuit with thyristors
A rectifying circuit including: between a first terminal of application of an AC voltage and a first rectified voltage delivery terminal, at least one first...
US-9,912,248 Power module
An object of the present invention is to provide a power module having high reliability. The power module according to the present invention, includes a circuit...
US-9,912,247 DC link module for reducing DC link capacitance
A dc link module for a power circuit includes a first connector for connecting to a first power conversion circuit, a second connector for connecting to a...
US-9,912,246 Bleeder circuit for a dimmer of a light non-linear load
The invention describes a bleeder circuit (1) realized for use in a dimmer (2) comprising a main AC switch (20) for switching a supply voltage (LINE) to a light...
US-9,912,245 Synchronous rectifier control method for a non-isolated DC/DC converter having a transformer with cross...
A power system includes DC-DC power conversion circuitry that has a first switch and a second switch on either side of a transformer, and the second switch is...
US-9,912,244 Control method and circuit for resonant converters with capacitive protection
Control method and circuit for resonant converters with capacitive protection. When a resonant converter enters into a capacitive mode, a high-side switch and a...
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