Karimi
Ali Naghi Karimi, Tehran IR
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20100281951 | Gas Permeability Measurement Apparatus - Gas permeability measurement apparatus is an apparatus for measuring all kinds of continuous-porous materials, including wood, paper, wood-composites, wood plastic composites (WPC), minerals, polymer-based materials, minerals, ceramics, textiles and fabrics. The apparatus is equipped with an electronic time measurement device with milli-second precision; this feature allows the permeability values to have improved accuracy and precision needed for scientific purposes. This apparatus uses falling liquid method wherein the liquid column can be easily changed according to test design. The apparatus is equipped with at least two sensors in the electronic time measurement device which are designed so that the distance between them can be easily set to 10, 15, and 20 cm. The sensors are mounted on a stand that can be moved along the liquid and gas traveling zone thereby enabling the length of liquid column to be fixed from 30 cm up to 2 meters. The main skeleton of the whole apparatus is designed so that the diameter of its glass tube may easily be changed from 0.5 to 5 cm in accordance to different standard stipulations, as well as the amount of liquid displacement required. | 11-11-2010 |
Charif Karimi, Orsay FR
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20130285615 | MODULE FOR CONVERTING VOLTAGE BETWEEN A HIGH-VOLTAGE ELECTRICAL NETWORK OF AN AIRCRAFT AND AN ENERGY STORAGE ELEMENT - A module converting voltage between a high-voltage electrical network and at least one energy storage element an aircraft, the conversion module configured to reversibly convert between a DC voltage of the high-voltage electrical network and a DC voltage of the energy storage element, the DC voltage of the energy storage element floating relative to the DC voltage of the high-voltage electrical network and centered relative to the mass of the aircraft, the module including an input module including two filters each capable of receiving a DC voltage, a first arm and a second arm including switches, and a mechanism controlling the switches, operating per cycle of a switching period and capable of controlling at least one first switch and at least one second switch identically but offset by a half-period, whereby the first switch is open when the second switch is closed and vice versa. | 10-31-2013 |
Davood Karimi, Winnipeg CA
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20140142452 | ACOUSTIC SYSTEM AND METHODOLOGY FOR IDENTIFYING THE RISK OF OBSTRUCTIVE SLEEP APNEA DURING WAKEFULNESS - Disclosed are a system and methods for screening a patient for obstructive sleep apnea using features of tracheal breath sounds obtained from the patient during wakefulness. | 05-22-2014 |
Ebrahim Karimi, Ottawa CA
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20130168577 | CONVERTER OF ORBITAL MOMENTUM INTO SPIN MOMENTUM FOR THE POLARIZATION OF PARTICLE BEAMS - An apparatus for spin polarizing a particle beam is adapted to process an input particle beam in such a way as to generate an at least partially spin polarized output particle beam. A vortex beam generator for imparting orbital angular momentum to the input particle beam. An electromagnetic field generator generates a transverse magnetic field, space-variant and symmetric with respect to the axis of the input particle beam, in such a way as to change the spin of the particles and attach thereto different values of orbital angular momentum in dependence on their input spin values. A beam component separating group spatially separates the particles in dependence on their orbital angular momentum values, in such a way as to obtain the at least partially spin polarized output particle beam. | 07-04-2013 |
Farhad Karimi, Massachusetts SE
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20110065914 | PERFLUORO MACROCYCLES IN 18F-LABELLING OF MACROMOLECULES - The invention relates to a synthetic strategy of using perfluoro crown ethers and other macrocycles to bind to [18F]-labelled fluorination reactions. The optional use of implementing perfluoro kryptofix 2.2.2 in this process is also disclosed. The present invention also claims perfluoro kryptofix structures that are suitable for use in 18F-labelling of fluorous based structures. | 03-17-2011 |
Farrokh Jazizadeh Karimi, Los Angeles, CA US
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20130155061 | AUTONOMOUS PAVEMENT CONDITION ASSESSMENT - An autonomous pavement assessment system may receive depth data indicative of the depth of pixels that collectively comprise multiple defective areas of pavement. For each defective area, the system may fit a plane to it; generate a histogram that indicates the frequency of its pixels at different depths; dynamically determine a depth noise threshold for it; generate a binary image of it based on its noise threshold; and generate a depth map of it containing only the pixels that have a depth that meets or exceeds its depth noise threshold. The system may prioritize the multiple defective areas for repair and/or generate optimized rehabilitation routes. Crowd sourcing may be used to gather the depth data, as well as location information for each defective area. | 06-20-2013 |
20140277765 | HUMAN-BUILDING INTERACTION FRAMEWORK FOR PERSONALIZED COMFORT DRIVEN SYSTEM OPERATIONS IN BUILDINGS - A computer data processing system may provide control information for controlling how an environmental control system controls an environment within a building. The computer data processing system may receive and store reports from multiple users and/or may receive and store reports at different times from a user. Each report may provide information concerning how the user perceives the comfort level of the user's environment at the time the user supplies the information. The computer data processing system may determine and generate the control information for controlling how the environmental control system controls the environment based on the information concerning how each user perceives the comfort level of the user's environment at the time each user provides the information. In addition or instead, the computer data processing system may determine and generate such control information based on the information concerning how a user perceives the comfort level of the user's environment at the different times the user supplies the information. | 09-18-2014 |
Gholemhossein (shahrad) Karimi, Calgary CA
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20130019780 | GEOPOLYMER ADDITIVES AND METHODS OF USE FOR TREATMENT OF FLUID FINE TAILINGS - Select geopolymers are mixed, at high shear, with fluid fine tailings from an oil sand operation to increase the yield strength of deposits of the geopolymer-treated fluid fine tailings stream and to enhance the dewaterability of the deposits for meeting the regulated, minimum undrained shear strength of 5 kilopascals (kPa) in the fluid fine tailings deposited in the previous year. | 01-24-2013 |
Hamid Reza Karimi, Swindon GB
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20090233607 | AUTOMATICALLY CONFIGURING A NEIGHBOR SET FOR A BASE STATION - An automated technique for configuring a neighbor set for a base station ( | 09-17-2009 |
20150111501 | METHOD OF MANAGING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - The present invention provides methods of managing interference in a wireless communication system. The methods may include receiving information indicative of a portion of an interfering signal received by a first wireless communication device, decoding the portion of the interfering signal, and providing at least one back-off instruction destined for a second wireless communication device based on the decoded portion of the interfering signal. | 04-23-2015 |
Hirad Karimi, Toronto CA
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20120268127 | System and Method for Spatially Encoding Nuclear Magnetic Resonance Signals Using Magnetic Susceptibility Effects - A device for spatially encoding nuclear magnetic resonance signals is provided. The device includes a plurality of spatial-encoding elements configured to produce a spatial-encoding magnetic field in the presence of an external magnetic field, such as the main magnetic field of a magnetic resonance imaging (“MRI”) system. The spatial-encoding elements include paramagnetic and diamagnetic spatial-encoding elements. The device further includes a support configured to hold the plurality of spatial-encoding elements in a fixed arrangement. By adjusting the orientation of the device, the spatial-encoding elements are moved relative to each other and thereby produce a plurality of different spatial-encoding magnetic fields. These spatial-encoding magnetic fields are used to spatially encode nuclear magnetic resonance signals emanating from spins in a volume-of-interest adjacent the device. An image reconstruction method for reconstructing images from signals spatially-encoded with the device is also provided. | 10-25-2012 |
Javad Karimi, Mashhad IR
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20160040363 | PRODUCING ANTIMICROBIAL PAPER - A method for producing antimicrobial paper pulp is provided. The method includes steps of obtaining paper pulp, reducing water content and temperature of the paper pulp, and refining the paper pulp having reduced water content and temperature to improve properties of the paper pulp. The refining may be performed using a refiner with rotating and stationary cutters. The nanocomposite suspension may be added to the refined paper pulp to produce antimicrobial paper pulp. The antimicrobial paper pulp may be drained and pressed to produce paper by applying oil to reduce moisture content of the paper. The paper may be dried without using vapor. | 02-11-2016 |
Joubin Karimi, Kanata CA
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20140160953 | PACKET COLLISIONS AND IMPULSIVE NOISE DETECTION - A method includes determining a first Signal-to-Noise Ratio (SNR) average for a first symbol set of at least one or more first symbols in one or more packets. The method includes determining a second SNR average for a second symbol set of at least one or more second symbols in the one or more packets. The method also includes determining a first difference between the first SNR average and the second SNR average. In response to determining that the first difference exceeds an SNR threshold, the method includes determining that a first channel event has occurred in the one or more packets at least within the first symbol set and the second symbol set and in response to determining that the first channel event has occurred, determining is to remain at the first data rate or at a second data rate that is higher than the first data rate. | 06-12-2014 |
Joubin Karimi, Ontario CA
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20140192851 | ADJUSTING PHYSICAL LAYER TRANSMISSION PROPERTIES - A transmitting device may determine a physical layer transmission properties based upon an amount of data to transmit via a communications channel. The physical layer transmission properties may comprise a derated tone map that has a lower physical layer transmission throughput capability than an original tone map. An indication regarding the derated tone map may be included in a first message, a portion of a physical layer framing protocol, a physical layer control transmission (such as a frame control symbol), or other transmissions such that the receiving device can derive the derated tone map without significant added overhead. | 07-10-2014 |
20140192912 | DEVICE TRIGGERED WAKE UP OF POWERLINE COMMUNICATION DEVICES - A first network device detects at least a first orthogonal code included in a preamble of a network packet received at the first network device from a second network device in an orthogonal frequency division multiplexing (OFDM) communication network. The first network device determines whether the first orthogonal code included in the preamble is associated with an assigned orthogonal code for the first network device. The assigned orthogonal code for the first network device is orthogonal to other assigned orthogonal codes for other network devices in the OFDM communication network. An operational mode of the first network device is changed from a sleep mode to an awake mode in response to determining the first orthogonal code is associated with the assigned orthogonal code for the first network device. | 07-10-2014 |
20140269873 | ADJUSTING MULTI-CARRIER MODULATION AND TRANSMISSION POWER PROPERTIES - A tone map includes physical layer transmission properties for a multi-carrier communications channel. The physical layer transmission properties indicate modulation mode and transmission power to be used on one or more frequencies (i.e. “tones”). The transmission power may be reduced on a first frequency having a high signal-to-noise ratio (SNR) so that performance will improve for a second frequency having a lower SNR. Transmission power may be reduced on a first frequency having an unusably low SNR so that performance will improve on a second frequency. A tone map message is used to efficiently communicate modulation and transmission power adjustments on a per-carrier basis. | 09-18-2014 |
Joubin Karimi, Ottawa CA
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20140092774 | CHANNEL REUSE AMONG COMMUNICATION NETWORKS SHARING A COMMUNICATION CHANNEL - A first network device determines whether a first reference code included in at least a first transmission on a communication channel is associated with a code configured in the first network device. The communication channel is shared among a plurality of communication networks and the first reference code is associated with a first communication network of the plurality of communication networks. The first network device joins the first communication network associated with the first reference code in response to determining the first reference code is associated with the code configured in the first network device. The first network device communicates with a second network device in the first communication network using the code configured in the first network device. | 04-03-2014 |
20140266641 | COMPENSATING POWER SPECTRAL DENSITY FOR POWER LEVELS - A power spectral density (PSD) shape may be modified based upon the transmitter power setting of a transmitter. The power associated with notched frequencies and adjacent frequencies may be adjusted responsive to a change in transmitter power setting. As a result of adjusting the power for the notched frequencies and adjacent frequencies when operating at the different transmitter power setting, the performance of the transmission system is improved. The PSD shape may be considered dynamic, being modified responsive to a change in transmitter power setting by adjusting power associated with notches in the PSD shape based on the transmitter power setting and PSD constraint. | 09-18-2014 |
20140355712 | DYNAMIC GAIN FOR DAC ILLUMINATION CONTROL - A transmitting device may control digital-to-analog converter (DAC) illumination to optimize signal to noise ratio of a transmission signal. DAC illumination may be adjusted based, at least in part, on analog gain and estimated total transmit power of a particular transmission signal. For each destination, total transmit power may be estimated based on tone map, amplitude map, back-off settings, or other characteristics. The estimated total transmit power is used to determine an appropriate analog gain. Once analog gain and total transmit power are known, fine control of SNR may be achieved by adjusting power level in the digital domain. A digital power control setting is used to scale the amplitude of the digital baseband signal prior to DAC operation. The DAC illumination of the digital baseband signal allows the DAC to operate at an optimized power level within the digital range of the DAC. | 12-04-2014 |
20150103809 | DYNAMIC TRANSMIT POWER AND SIGNAL SHAPING - This disclosure provides several mechanisms for adapting transmit power spectral density (PSD). A communications device may adapt the power spectrum utilized at the transmitter based, at least in part, on the channel conditions or PSD constraints associated with the communications medium between the transmitter and a receiver device. Additionally, the transmit PSD may be adapted based, at least in part, on a total power capability associated with a transmitter. Power is allocated to improve throughput and utilization of the communications channel. A transmission profile may be selected based, at least in part, on the notch depth. The transmission profile may be associated with symbol timing parameters. The communications device may maintain a plurality of selectable pulse shapes that are optimized for different notch depths. | 04-16-2015 |
20150318893 | LOWERING TRANSMISSION POWER RESPONSIVE TO BROADCAST RADIO TRANSMISSIONS - Transmission power of a signal may be lowered in response to detecting a broadcast radio transmission. A communication device may communicate via a powerline communication (PLC) medium by transmitting, via the PLC medium, a signal having at least a first carrier frequency. The communication device may detect a broadcast radio transmission. The communication device may lower a transmission power setting associated with the first carrier frequency from a first power level to a second power level that is lower than the first power level in response to detecting the broadcast radio transmission. The communication device may transmit, via the PLC medium, the signal having at least the first carrier frequency at the second power level during a time period associated with the broadcast radio transmission. | 11-05-2015 |
Kamiar Karimi, Brooklyn, NY US
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20140211522 | APPARATUS AND METHOD FOR CONTROLLING CIRCULATING CURRENT IN AN INVERTER SYSTEM - A power conversion system is disclosed that provides multiphase power, including phase voltages for each phase of the multiphase power. The system comprises a plurality of inverters that generate PWM output voltages based on PWM control signals. A plurality of inductive components is configured to receive the PWM output voltages to generate the phase voltages. The PWM output voltages cause circulating current flows through the inductive components. A voltage controller is employed that is responsive to the phase voltages to generate voltage modulation signals corresponding to the phase voltages. A plurality of current sharing channels are respectively associated with each of the plurality of inductive components and are configured generate current sharing modulation signals in response to the circulating current flows. The PWM control signals are generated based on modulation signals obtained by combining the current sharing modulation signals and voltage modulation signals. | 07-31-2014 |
Kamiar Karimi, Kirkland, WA US
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20130076332 | Method of Evaluating and Ensuring Stability of AC/DC Power Systems - Approximating loci of eigenvalues or characteristic gains of a return ratio matrix of a model of a multi-phase power converter circuit by the loci of the d-d and q-q elements of said synchronous frame of reference applied to said model, allows determination and assessment of stability of the circuit or forbidden operational parameters of the combination of an AC power source and a power converter at an interface thereof by application of a standard Nyquist stability criterion. | 03-28-2013 |
20130099800 | ALGORITHM AND IMPLEMENTATION SYSTEM FOR MEASURING IMPEDANCE IN THE D-Q DOMAIN - A controller and infrastructure for an impedance analyzer measures responses to perturbations to respective phases of a multi-phase system at an interface between stages thereof (which may be considered as a source and load in regard to each other), such as a multi-phase electrical power system, to determine a transfer function for each phase of the multi-phase system from which the impedance of each of the source and load can be calculated, particularly for assessing the stability of the multi-phase system. | 04-25-2013 |
20150021983 | AIRCRAFT UNIVERSAL POWER CONVERTER - A power supply system suitable for use by an aircraft is disclosed. The power system converts power from an unregulated DC power source to multiple AC and DC voltage outputs. The power supply system comprises an interleaved buck converter, and interleaved full-bridge converter, an interleaved inverter, and a control system. In one configuration, the interleaved inverter uses high-voltage DC generated by the interleaved four-bridge converter as its power input to generate a high-voltage AC output. | 01-22-2015 |
Kamiar J. Karimi, Everett, WA US
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20150311832 | SYSTEMS AND METHODS FOR THE CONTROL AND OPERATION OF A PARALLEL MOTOR CONTROLLER ARCHITECTURE - A method for real time power control over a plurality of motor controllers by at least one processor on a computer system may include determining a power load demand from a first set of motors, selecting a combination of motor controllers to match the power load demand, assigning a first set of system-wide priorities, configuring a power switching network to connect the first set of motors to the motor controllers, receiving from a control unit a power request for a motor, determining a priority designation for that motor, assigning a second set of system-wide priorities, determining a second power load demand from a second set of motors, wherein the second plurality of active motors comprises the first plurality of active motors and the first motor, selecting a second combination of motor controllers necessary to match the second power load demand, and configuring the power switching network in accordance with the second set of system-wide priorities. | 10-29-2015 |
Kamiar J. Karimi, Kirkland, WA US
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20100102625 | Intelligent Energy Management Architecture - Systems and methods are disclosed for a power control system including intelligent devices. A vehicle power control system includes a power supply configured to supply a first quantity of power to at least one device configured to consume power based on a first power demand. The vehicle power control system also includes an intelligent device configured to determine a second power demand for the intelligent device during a vehicle operation. The vehicle power control system also includes an energy management system. The energy management system is configured to communicate with the at least one the intelligent device regarding the second power demand of the at least one intelligent device to coordinate scheduling of power distribution during the vehicle operation in order to generate a power distribution schedule to account for the first power demand of the at least one device and the second power demand of the at least one intelligent device. The energy management system directs the first quantity of power to the at least one device according to the first power demand of the at least one device and directs a second quantity of power to the at least one intelligent device according to the power distribution schedule. | 04-29-2010 |
20110077811 | INTELLIGENT ENERGY MANAGEMENT ARCHITECTURE - Systems and methods are disclosed for energy control and vehicle energy control. A vehicle energy control system includes an intelligent device that is configured to determine an energy demand of the intelligent device during an operation of a vehicle. The vehicle energy control system also includes an energy management system. The energy management system is configured to communicate with the intelligent device regarding the energy demand to coordinate scheduling of energy distribution during the operation. The energy management system is further configured to generate an energy distribution schedule to account for the energy demand and at least a second energy demand of another device. | 03-31-2011 |
20120232728 | Vehicle Electrical Power Management and Distribution - Vehicles, systems, and methods are disclosed for providing and directing first power, such as vehicle generator power, and alternate sources of power. In a particular embodiment, a vehicle includes a power distribution grid that includes a plurality of power sources and a plurality of distributions buses configured to distribute power from the plurality of power sources. The plurality of power sources include an engine-driven power source is configured to provide first power where the first power has first power characteristics. The plurality of power sources also includes a plurality of engine-independent power sources including a first alternate power source configured to provide first alternate power. The first alternate power has first alternate power characteristics that are different than the first power characteristics. The plurality of engine-independent power sources also includes a second alternate power source configured to provide second alternate power. The second alternate power has second alternate power characteristics that are different from the first power characteristics and different from the first alternate power characteristics. The vehicle also includes a global controller that sends control signals to control generation of power by the engine-driven power source, the first alternate power source and the second alternate power source via the plurality of distribution buses responsive to power demand of the power distribution grid. | 09-13-2012 |
20130083563 | SYSTEM AND METHODS FOR HIGH POWER DC/DC CONVERTER - A voltage conversion system and methods are disclosed. Phase-shift modulation signals are generated and interleaved to provide interleaved phase-shift modulation signals. A plurality of voltage converters are controlled using the interleaved phase-shift modulation signals to convert an input electrical current at an input voltage to an output electrical current at an output voltage. | 04-04-2013 |
20130286515 | Fault Protection for Aircraft Power Systems - A system and method for protecting a power system. A generator is tripped in response to identifying a current on the generator that is greater than a first current threshold for a first time delay. The generator is also tripped in response to identifying the current on the generator that is greater than a second current threshold for a second time delay. The first current threshold is larger than the second current threshold and the first time delay is shorter than the second time delay. | 10-31-2013 |
20130297089 | POWER MANAGEMENT CONTROL SYSTEM - A system to control a power distribution system includes a system controller configured to determine an allocation of power during a first time period for each of a plurality of subsystems. The system also includes a subsystem controller communicatively coupled to the system controller. The subsystem controller is associated with a device and configured to receive power allocation data indicating the allocation of power for the device from the system controller. The subsystem controller is further configured to receive operation request data indicating a request to operate the device and produce a model operation of the device for a second time period based on the power allocation data, the operation request data, and a cost-utility function associated with the device. The subsystem controller is also configured to communicate, to the system controller, projected power demand data associated with the modeled operation of the device during the second time period. | 11-07-2013 |
20140122050 | Electrical Power System Stability Optimization System - A method and apparatus for electrical power system stability optimization. An electrical power system comprising source elements and load elements is simulated to generate impedance data, wherein the impedance data identifies an impedance of the electrical power system. A stability profile of the electrical power system is characterized as a function of the impedance data, wherein the stability profile identifies the source elements and load elements to control power generation by the electrical power system to optimize stability of the electrical power system. | 05-01-2014 |
20140307481 | SYSTEM AND METHODS FOR HIGH POWER DC/DC CONVERTER - A voltage conversion system and methods are disclosed. Voltage converter cells are controlled using interleaved phase-shift modulation signals, and convert an input electrical current at an input voltage to an output electrical current at an output voltage. Each of the voltage converter cells comprises: a transformer comprising a primary side and a secondary side, a full-bridge voltage converter connected in parallel to the primary side, and center-tapped rectifiers connected in series to the secondary side. One or more group of outputs of the voltage converters are coupled in series via the center-tapped rectifiers. | 10-16-2014 |
20150019175 | Electrical Power System Stability - A method and apparatus for establishing a validated stable design for a stable electrical power system. An initial design for an electrical power system is established. The initial design for the electrical power system satisfies design requirements. The initial design for the electrical power system is simulated for a plurality of simulated operating conditions for the electrical power system to generate simulation data. Stability parameter requirements for a stable design for the electrical power system are established from the simulation data. A hardware implementation of the stable design for the electrical power system is tested to generate hardware testing data. The stable design for the electrical power system is validated using the hardware testing data to establish a validated stable design for the electrical power system. | 01-15-2015 |
20150021994 | POWER CONVERTER HAVING EMI FILTER COMMON TO MULTIPLE CONVERTERS - A power supply system is disclosed that includes a first interleaved power supply, a second interleaved power supply, and a common electromagnetic interference filter. The common electromagnetic interference filter is configured to provide DC power from a DC power source to both the first interleaved power supply and the second interleaved power supply. In one example, the common electromagnetic interference filter comprises a localized filter stage configured to receive DC power from the DC power source, and a distributed filter stage configured to receive DC power from the localized filter stage. The distributed filter stage includes a first set of common mode capacitors electrically connected to and physically proximate input power lines of the first interleaved power supply, and a second set of common mode capacitors electrically connected to and physically proximate input power lines of the second interleaved power supply. | 01-22-2015 |
20150022245 | Parallel Transistor Circuit Controller - A method for controlling a circuit control system. Currents are sensed at outputs of transistors in the circuit control system. Levels are identified for the currents. A number of characteristics of the transistors are controlled while the currents flow out of the transistors such that the currents flowing out of the transistors have desired levels. | 01-22-2015 |
20150102659 | Modular Equipment Center Lightning Threat Reduction Architecture - A composite vehicle architecture without a current return network for reducing lightning threats. A plurality of modular equipment centers (MECs) are spatially distributed throughout the vehicle. Equipment loads within the vehicle are each serviced by the nearest MEC. Twisted and shielded electrical conductor pairs provide secondary power to the equipment loads to minimize the amount of wire throughout the aircraft as well as the return currents on the aircraft. | 04-16-2015 |
20150103447 | Modular Equipment Center Distributed Independent Protections - Distributed electronic protections and control architecture enabling simultaneous fault clearance without conflicting fault isolation logic. A plurality of modular equipment centers (MECs) is spatially distributed throughout a vehicle to service equipment loads with power and data. In one embodiment, protective functions are embedded on integrated protection chipsets (IPCs) within the distributed architecture of the vehicle. The IPCs implement a plurality of protective functions where coordinated or independent fault assessments are performed. | 04-16-2015 |
20150151847 | NON-PROPULSIVE UTILITY POWER (NPUP) GENERATION SYSTEM FOR PROVIDING SECONDARY POWER IN AN AIRCRAFT - An aircraft may include at least one secondary power system requiring secondary power, at least two main engines, and at least three non-propulsive utility power (NPUP) generation systems. The NPUP generation systems may each be configured to provide full-time secondary power during operation of the aircraft. The NPUP generation systems may be configured to provide at least a portion of the secondary power required by the secondary power system. | 06-04-2015 |
20150214832 | Three-Phase Inverter with a Repositioned Choke - A method and apparatus for converting direct current into alternating current. The direct current is converted into a number of alternating currents using a switch system. The number of alternating currents is filtered using a set of inductors and a set of capacitors. Higher-frequency electromagnetic interference is blocked using a choke located between the set of inductors and the set of capacitors. | 07-30-2015 |
20150214854 | Conversion System for Converting Direct Current into Alternating Current - A method and apparatus for converting direct current into alternating current. An initial voltage level of an input voltage source is changed using a dual converter to form a plurality of voltage sources. Each of the plurality of voltage sources has voltage levels different from the initial voltage level. An inverter is supplied direct current from the plurality of voltage sources formed by the dual converter. The direct current is converted into a number of alternating currents using the inverter. | 07-30-2015 |
20150244303 | Method and System for Controlling Synchronous Machine As Generator/Starter - A synchronous brushless machine having a single exciter field stator winding. The single exciter field stator winding is energized by a high frequency alternating current to provide a single excitation field to magnetically couple with the exciter field armature winding in both the starter mode and the generator mode. With a higher excitation frequency relative to the main armature current frequency, a steady main field voltage can be achieved which improves stability control while in the starter mode. In one or more configurations, the single exciter field stator winding is driven by a H-bridge converter. | 08-27-2015 |
20160004810 | Design of Electromagnetic Interference Filters For Power Converter Applications - Methods, computer-readable storage mediums and systems provide for designing a motor drive power system including switching mode power conversion equipment. According to aspects of the disclosure, a resonant point is shifted to a shifted resonant point by changing impedance of at least one of a feeder or a motor. An EMI filter is designed for the shifted resonant point that is at a higher frequency such that the EMI filter for the shifted resonant point is lighter as compared to an EMI filter designed for the resonant point before it is shifted. | 01-07-2016 |
Kamran Karimi, Burnaby CA
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20120023053 | SYSTEMS AND METHODS FOR QUANTUM COMPUTATION USING REAL PHYSICAL HARDWARE - Iterative approaches to quantum computation are described. Incongruities in the behavior of the various individual elements in a quantum processor may be managed by establishing a set of equivalent configurations for the elements of the quantum processor. The quantum processor is programmed and operated using each equivalent configuration to determine a set of solutions. The solutions are evaluated to determine a preferred solution that best satisfies at least one criterion. Furthermore, thermodynamic effects from operating a quantum processor at non-absolute zero temperature can cause the ground state to be the most probable state into which the system will settle. By running multiple iterations the ground state may be identified as the state with the most frequent reoccurrences. Alternatively, the energy of each unique state may be calculated and the state that corresponds to the lowest energy may be returned as the solution to the problem. | 01-26-2012 |
Majid Bigdeli Karimi, Allston, MA US
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20160032239 | Deterministic Manufacturing Process For Creating 3D Living Tissues Based on 2D Directed Assembly And Origami Techniques - A method of forming 3D engineered tissues by providing a 2D scaffold material comprising a plurality of fold locations and a plurality of cell assembly sites, assembling cells into the cell assembly sites and folding the 2D scaffold material along the fold locations to form a 3D scaffold structure. Tissues formed by the method. | 02-04-2016 |
Mehdi Karimi, Ottawa CA
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20150311918 | EFFICIENT STORAGE ARCHITECTURE FOR LOW-DENSITY PARITY-CHECK DECODING - A low-density parity-check (LDPC) decoder may comprise a shift register configured to receive LDPC coded data, perform an iteration associated with decoding the LDPC coded data, and provide a result of performing the iteration. The shift register may include a quantity of lanes corresponding to a quantity of data words received by the shift register at a particular clock cycle, a quantity of stages corresponding to a quantity of clock cycles needed to perform the iteration, a quantity of storage elements, associated with storing the data words during the iteration, and a set of check node elements associated with updating the data words during the iteration. The quantity of stages times the quantity of lanes may be greater than the quantity of storage elements by a particular number of storage elements. The particular number of storage elements may be displaced by the set of check node elements. | 10-29-2015 |
20150311919 | CODE DESIGN AND HIGH-THROUGHPUT DECODER ARCHITECTURE FOR LAYERED DECODING OF A LOW-DENSITY PARITY-CHECK CODE - A low-density parity-check (LDPC) decoder may receive LDPC coded data. The LDPC decoder may perform a decoding iteration associated with decoding the LDPC coded data. The decoding iteration may be performed by processing a group of layers. Each layer may include a corresponding set of check node elements, and may be processed by causing each check node element, of the set of check node elements corresponding to the layer, to update a set of variable node elements, connected to the check node element and associated with the LDPC coded data, based on a check node function associated with the check node element. The decoding iteration may be performed such that each layer is processed in parallel, and such that each check node element updates the corresponding set of variable node elements in parallel. The LDPC decoder may provide a result of performing the decoding iteration. | 10-29-2015 |
Mojtaba Karimi, Houston, TX US
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20150292323 | System and Method for Integrated Wellbore Stress, Stability and Strengthening Analyses - Systems and methods for an integrated wellbore stress, stability and strengthening analysis are disclosed. An integrated geomechanical tool can be used to analyze and evaluate stress along the length of the wellbore to identify a safe drilling mud weight window and help identify troublesome zones in the wellbore. Fracture length may then be predicted in the identified troublesome zones by using a stress tensor calculated during the stress analysis. The calculated fracture length may be used to perform a strengthening analysis. After performing strengthening analysis, mud loss may be predicted based on predicted fracture size calculated during the stress, stability and strengthening analyses. | 10-15-2015 |
20150308209 | System and Method for Managed Pressure Wellbore Strengthening - Systems and methods for wellbore strengthening are disclosed. An effective way to strengthen a wellbore and prevent future fractures during drilling operations is to induce fractures having a desired fracture width profile and fracture length. Surface back pressure can be used to accurately induce such fractures. The induced fractures which are then sealed can increase fracture gradient of the wellbore thus mitigating future fractures. | 10-29-2015 |
Mostafa Karimi, Varamin IR
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20110124040 | FIXATIVE OF POLYMERIZED CARBON NANOTUBES ENCAPSULATING OSMIUM NANOPARTICLES FOR BIOLOGICAL TISSUE - A fixative for biological tissue made up of polymerized carbon nanotubes encapsulating osmium nanoparticles and its method of synthesis are disclosed. Carbon nanotubes are first oxidized. Next, the oxidized carbon nanotubes and monohydrated citric acid are mixed to synthesize carbon nanotubes grafted with poly(citric acid). The carbon nanotubes grafted with poly(citric acid) are then mixed with an osmium source to synthesize carbon nanotubes grafted with poly(citric acid) encapsulating osmium nanoparticles. The nano-fixative of this application has been shown to improve fixation of biological tissue relative to well-known fixatives. | 05-26-2011 |
Pegah Karimi, Allston, MA US
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20130206165 | Damage Free Cleaning Using Narrow Band Megasonic Cleaning - This invention relates to apparatuses and methods for cleaning surfaces, including the surfaces of semiconductor wafers, with ultrasonic and megasonic energies of defined profiles, capable of achieving said cleaning without causing damage to nanodimensioned features of the substrates. | 08-15-2013 |
Pezhman Karimi, Laguna Niguel, CA US
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20100090796 | MOVABLE BARRIER SYSTEM ADAPTED TO TRANSMIT DIAGNOSTIC INFORMATION TO A REMOTE DEVICE - The invention is a movable barrier system with wireless connectivity to a remote device in close proximity. More particularly, an apparatus in accordance with the present invention comprises of a movable barrier, an operator adapted to control movement of the movable barrier, and a wireless peer-to-peer interface adapted to transmit diagnostic information to a remote device in response to a command instruction received from said remote device. When movable barrier system receives a command instruction from remote device, it may perform self-diagnostic tests on specific sub-components and externally connected devices. After obtaining test results, movable barrier system transmits diagnostic information back to remote device. | 04-15-2010 |
Pezhman Karimi, Irvine, CA US
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20150228134 | MOVABLE BARRIER OPERATOR CONFIGURED FOR REMOTE ACTUATION - The present invention is generally a movable barrier operator configured for remote actuation, and more specifically, to a movable barrier operator configured to generate a barrier command in response to an authorized mobile device joining wireless network. The authorization may be established by connecting the mobile device to the operator through a wireless communication means. The wireless communication means may include known protocols such as Bluetooth™, Wi-Fi, NFC, ZigBee™, or any other type of wireless communication. | 08-13-2015 |
20150228135 | MOVABLE BARRIER OPERATOR CONFIGURED FOR REMOTE ACTUATION - The present invention is generally a movable barrier operator configured for remote actuation, and more specifically, to a movable barrier operator configured to generate a barrier command in response to an authorized mobile device joining wireless network. The authorization may be established by connecting the mobile device to the operator through a wireless communication means. The wireless communication means may include known protocols such as Bluetooth™, Wi-Fi, NFC, ZigBee™, or any other type of wireless communication. | 08-13-2015 |
20150269796 | MOVABLE BARRIER OPERATOR CONFIGURED FOR REMOTE ACTUATION - The present invention is generally a movable barrier operator configured for remote actuation, and more specifically, to a movable barrier operator configured to generate a barrier command in response to an authorized mobile device joining wireless network. The authorization may be established by connecting the mobile device to the operator through a wireless communication means. The wireless communication means may include known protocols such as Bluetooth™, Wi-Fi, NFC, ZigBee™, or any other type of wireless communication. | 09-24-2015 |
20150269800 | MOVABLE BARRIER OPERATOR CONFIGURED FOR REMOTE ACTUATION - The present invention is generally a movable barrier operator configured for remote actuation, and more specifically, to a movable barrier operator configured to generate a barrier command in response to an authorized mobile device joining wireless network. The authorization may be established by connecting the mobile device to the operator through a wireless communication means. The wireless communication means may include known protocols such as Bluetooth™, Wi-Fi, NFC, ZigBee™, or any other type of wireless communication. | 09-24-2015 |
Pezhmon Karimi, Irvine, CA US
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20150227284 | MOVABLE BARRIER OPERATOR WITH REMOTE MONITORING CAPABILITIES - The present invention generally pertains to a diagnostic tool for a mobile device such as a smartphone or laptop, which helps a user to control, monitor, diagnose and troubleshoot a movable barrier operator. In an exemplary embodiment, software is downloadable by the user from their phone's service provider, or from an operator manufacturer's website. The software comprises a graphical user interface, which allows a user to execute various diagnostic and monitoring functions. The operator is configured with a network interface for communicating with the mobile device wirelessly. Such an interface may comprise Bluetooth, Wi-Fi, NFC or any other wireless communication available. | 08-13-2015 |
Razieh Karimi, Vienna AT
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20150259656 | MODIFIED FUNGAL CELL - The present invention relates to a genetically modified fungal cell of the genus | 09-17-2015 |
Reza Karimi, Varamin IR
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20120086206 | APPARATUS FOR CONVERTING WAVE, SOLAR AND WIND ENERGY - The various embodiments herein provide an apparatus for harnessing a wave energy, solar energy and wind energy. The apparatus comprises a floating frame, a base portion connected to the floating frame and at least two linkage units. The two linkage units are a basic linkage unit and a medium linkage unit. The apparatus includes a plurality of floating flaps and at least one power extraction means. A connecting pivot is provided in the linkage units and the base portion. The floating flaps are pivoted vertically on the basic linkage unit and the base portion. The flaps associated with the floating flaps are placed under water against prevailing waves and floats associated with the floating flaps are placed on surface of the water, for absorbing the wave energy from projected portions present at edges and middle portion of the flaps. | 04-12-2012 |
Roman Karimi, Aalen DE
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20150093285 | MAGNETIC MATERIAL, USE THEREOF AND METHOD FOR PRODUCING SAME - The present invention relates to a magnetic material, which contains at least one transition metal (TM), at least one rare earth metal (RE) and tungsten, wherein the proportion of transition metal (TM) is 60 to 90% by mass, the proportion of rare earth metal (RE) is 10 to 20% by mass, and the proportion of tungsten (W) is 5 to 25% by mass, in each case in relation to the total mass of the magnetic material. | 04-02-2015 |
Sultan Masoud Karimi, Munich DE
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20090194363 | MATERIALS HANDLING VEHICLE HAVING A STEER SYSTEM INCLUDING A TACTILE FEEDBACK DEVICE - A materials handling vehicle is provided comprising: a frame comprising an operator's compartment; wheels supported on the frame, at least one of the wheels being a steerable wheel; a steer-by-wire system and control apparatus. The steer-by-wire system is associated with the steerable wheel to effect angular movement of the steerable wheel about a first axis. | 08-06-2009 |
20100089703 | RESTRAINT SYSTEM FOR WALKIE/RIDER PALLET TRUCK - A walkie/rider pallet truck is provided comprising a power unit; a set of forks associated with the power unit; a platform associated with the power unit and defining a location upon which an operator may stand; and a restraint system comprising a pivotable restraint structure. The restraint structure is movable to one of a walkie position, a rider-driving position and a quick-exit position. | 04-15-2010 |
Vahid Karimi, Fremont, CA US
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20150273307 | Self-Defense Training Dummy - Disclosed is a self-defense training dummy having a top section with punching bags, at least one arm section, and at least one leg section. Each of the sections are removably connected to its adjacent sections in a stacked orientation. The top section and the arm sections each include a plurality of arms extending outwardly therefrom. The leg section includes a plurality of legs extending outwardly in a downward direction. The present invention further provides impact sensors for detecting when the dummy is hit, an accelerometer for determining the strength of the hit, a processor, a memory, LED light indicators, and a speaker. The processor is adapted to illuminate the LED light indicators to provide a visual indicator of the location and the strength of each hit. Similarly, the processor activates the speaker to play a sound to indicate the location and/or the strength of each hit. | 10-01-2015 |