Date/App# 
List of recent Exponentrelated patents 
07/30/15 20150214977  Apparatus for improving the accuracy of an exponential current digitaltoanalog (idac) using a binaryweighted msb An apparatus of an exponential current digitaltoanalog converter (idac) using a binaryweighted msb to efficiently drive current controlled light emitting diode (led) devices. The apparatus comprises of an exponential current digitaltoanalog converter (idac) current source, a voltage buffer to create an active cascode at the output stage, and an error amplifier that by means of a dcdc converter voltage loop imposes an appropriate voltage at the output of the idac, depending on the current load set to drive the leds. Dialog Semiconductor Gmbh

07/30/15 20150214976  Method for improving the accuracy of an exponential current digitaltoanalog (idac) using a binaryweighted msb A method for the design synthesis of an exponential current digitaltoanalog (idac) using a binaryweighted msb. The design synthesis involves defining an exponential lsb and exponential msb current mirrors according to a defined methodology. Dialog Semiconductor Gmbh

07/30/15 20150212224  Singularity spectrum analysis of microseismic data A method can include receiving locations of microseismic events associated with a fracturing operation performed in a geologic environment; determining an individual correlation exponent for one of the microseismic events based at least in part on distances where each of the distances is between the location of the one microseismic event and a location of another one of the microseismic events; and, based at least in part on the individual correlation exponent, associating the one of the microseismic events with a fracture generated or activated by the fracturing operation.. . Schlumberger Technology Corporation

07/30/15 20150211361  Flow regime identification with filtrate contamination monitoring Implementations of the present disclosure relate to apparatuses, systems, and methods for determining when a well cleanup process has established developed flow and then extrapolating out modeled fluid parameter values to determine parameter values for a formation fluid. The model fluid parameter values may be modeled using a power law function having a specified exponent value.. Schlumberger Technology Corporation

07/30/15 20150211132  Reactant flow channels for electrolyzer applications An electrolyzer or unitized regenerative fuel cell has a flow field with at least one channel, wherein the crosssectional area of the channel varies along at least a portion of the channel length. In some embodiments the channel width decreases along at least a portion of the length of the channel according to a natural exponential function. Powerdisc Development Corporation Ltd.

07/30/15 20150208941  Heart rate correction the detection of cardiac events A device for detecting a cardiac event is disclosed. Detection of an event is based on a test applied to a parameter whose value varies according to heart rate. Angel Medical Systems, Inc.

07/23/15 20150204800  Surface inspection semiconductor chips A surface inspection apparatus and method of inspecting chip surfaces includes a laser generator that generates a periodic cw laser and is transformed into an inspection laser beam having a beam size smaller than a surface size of the chip. Thus, the inspection laser beam is irradiated onto a plurality of the semiconductor chips such that the semiconductor chips are partially and simultaneously heated.


07/23/15 20150203819  Production of red blood cells and platelets from stem cells This disclosure provides methods of making a megakaryocyteerythroid progenitor cell (mep), comprising differentiating a mep precursor cell into a mep in culture in the presence of an aryl hydrocarbon receptor (ahr) modulator. In some embodiments the ahr modulator is an ahr antagonist. Trustees Of Boston University

07/23/15 20150202440  Chaotic desynchronization of neural populations with nonpulsatile inputs A method is provided for finding an energyoptimal stimulus which gives a positive lyapunov exponent, and hence desynchonization, for a neural population. The method is illustrated for three different neural models. University Of Minnesota

07/16/15 20150199173  Multiply adder A floating point multiply add circuit 24 includes a multiplier 26 and an adder 28. The input operands a, b and c together with the result value all have a normal exponent value range, such as a range consistent with the ieee standard 754. Arm Limited

07/09/15 20150195855  Channel access method and node A channel access method and a node are disclosed. The method includes randomly selecting a backoff period xb according to a backoff exponent be, where xb=x×aunitbackoffperiod, and x is an integer randomly selected from 0−(2be−1); when x is greater than or equal to a predetermined value, determining a middle backoff, where the middle backoff is less than the backoff period, performing a backoff until the middle backoff ends and then performing a cca; if a channel is clear, performing data transmission, and if the channel is not clear, continuing the backoff until the backoff period ends and then performing a cca, and executing a channel access operation according to a result of the cca performed when the backoff period ends. Huawei Technologies Co., Ltd.

07/09/15 20150191142  Fabric for airbag and manufacturing the same The present invention relates to a fabric for an airbag, and an airbag for a vehicle including the same, and particularly, to a fabric for an airbag, a method of manufacturing the same, and an airbag for a vehicle including the same, wherein the fabric is made of one or more fibers selected from the group consisting of nylon fiber, polyester fiber, polyolefin fiber, and aramid fiber, having a cover factor of 1500 to 2500, and having an exponent of dynamic air permeability (exp) of 0.9 to 1.6 as measured by a method according to the american society for testing and materials astm d 6476 method.. . Kolon Industries, Inc

07/09/15 20150191067  Suspension control system and controlling suspension device A suspension control system includes a suspension device (2) that connects a sprung member (5) and an unsprung member (6) of a vehicle, an actuator (3) operable to adjust frictional force along a stroke direction of the suspension device (2), and a control device (4) configured to control the actuator (3), based on a velocity direction of the sprung member (5) parallel to the stroke direction of the suspension device (2), and a stroke velocity direction of the suspension device (2), so as to adjust suspension frictional force as the frictional force along the stroke direction of the suspension device (2). The control device (4) is configured to adjust a magnitude of the suspension frictional force, so that it becomes substantially equal to a required frictional force determined based on a value obtained by exponentiating the velocity of the sprung member (5), and a value obtained by exponentiating the stroke velocity of the suspension device (2).. Toyota Jidosha Kabushiki Kaisha

06/25/15 20150180652  Modular exponentiation optimization for cryptographic systems A processing device, such as logic on an integrated circuit may identify a cryptographic message stored in a first register. The processing device may determine a plurality of components for a second power of the cryptographic message using a plurality of components of the cryptographic message. Cryptography Research, Inc.

06/25/15 20150180052  Fuel cell flow channels and flow fields A fuel cell anode flow field includes at least one flow channel with a crosssectional area that varies along at least a portion of its length. In some embodiments, the channel width decreases along at least a portion of the channel length according to a natural exponential function. Powerdisc Development Corporation Ltd.

06/25/15 20150178245  Information processing apparatus and method An information processing method for system identification includes: generating a fitting curve represented by a sum of exponential functions for each of a set of digital inputs and a set of digital outputs for a physical system that is represented by one or plural equations including morder differential operators (m is an integer equal to or greater than 1); and calculating coefficients of the differential operators, which are included in first coefficients, so that a first coefficient of each exponential function included in an expression obtained by a product of the differential operators and the fitting curve for the set of the digital inputs is equal to a second coefficient of the same exponential function, which is included in the fitting curve for the set of the digital outputs.. . Fujitsu Limited

06/25/15 20150176960  Measuring device for measuring a thickness of a ferromagnetic metal object The invention relates to a device for measuring a thickness of ferromagnetic metal objects. The measuring device for measuring a thickness of a ferromagnetic metallic object comprises at least two measurement sensors, each of the measurement sensors comprising a core that forms a closed magnetic circuit in combination with at least a part of the ferromagnetic metal object; and a core coil in which a current pulse is formed; wherein the measuring device further comprises a determination unit for determining the time constant of an exponential voltage pulse formed in the coil as a result of forming said current pulse, and an electronic unit which is coupled to each measurement sensor and which controls said sensors.. Ooo "gazproektdiagnostika"

06/25/15 20150176959  Method and measuring device for measuring thickness of a ferromagnetic metal object The invention relates to a method and a device for measuring thickness of ferromagnetic metal objects. According to the method, a pulse of current is generated in a core coil, the core forming a closed magnetic circuit together with at least a portion of the ferromagnetic metal object; further, the time constant is determined at an exponential voltage resulted from said pulse of current generated in the core coil; and, finally, thickness of the ferromagnetic metal object is determined on the basis of the time constant thus determined..

06/18/15 20150172052  Integrity verification of cryptographic key pairs Of verification (206) so as to verify the consistency of the private exponent with respect to the public exponent and to the number n, the verification step involving the candidate factors.. .

06/18/15 20150169986  Method of processing images, notably from night vision systems and associated system Step 5: calculating the final image iout(p) by applying the exponential function to the third intermediate image.. .

06/18/15 20150169498  Method and an fast convolution of signals with a onesided exponential function A method and an apparatus embodying the method for fast convolution of a signal with a onesided exponential function is disclosed. Additionally, a method and a system embodying the method for fast convolution of a signal with complex exponential function localized around an origin by an exponential function envelope utilizing the method and a system embodying the method for fast convolution of a signal with a onesided exponential function is disclosed.. Brno University Of Technology

06/18/15 20150164414  Recursive realtime determination of glucose forcing in a diabetic patient for use in a closed loop insulin delivery system Presented is a computational system for predicting the blood glucose level to which a diabetic patient is being forced based solely on continuous glucose monitor (cgm) data that then allows optimum and safe calculation of a stabilizing dose to be applied by an insulin pump. This invention hence operates as part of a closed loop insulin delivery system.

06/04/15 20150156494  Methods and data communication across a slip ring A method for reducing bandwidth required for transmission of data in a device having two portions rotating with respect to one another. The first portion includes a data acquisition system (das) having a chargetodigital converter and a digital signal processor (dsp) configured to receive and compress digital data from the chargetodigital processor. General Electric Company

06/04/15 20150154329  Method and device for ascertaining a gradient of a databased function model In a method for calculating a gradient of a databased function model, having one or multiple accumulated databased partial function models, e.g., gaussian process models, a model calculation unit is provided, which is designed to calculate function values of the databased function model having an exponential function, summation functions, and multiplication functions in two loop operations in a hardwarebased way, the model calculation unit being used to calculate the gradient of the databased function model for a desired value of a predefined input variable.. . Robert Bosch Gmbh

06/04/15 20150154145  Data processing method, data processing apparatus and processing apparatus The present invention is a data processing apparatus including a data input/output device for receiving data, a storage for storing the data received by the data input/output device, a data processing program storage for storing a data processing program that includes the steps of calculating, using a double exponential smoothing method, a first predicted value that is a predicted value of smoothed data and a second predicted value that is a predicted value of the gradient of the smoothed data, and calculating, using a double exponential smoothing method in which the second predicted value is set as input data, a third predicted value that is a predicted value of smoothed data and a fourth predicted value that is a predicted value of the gradient of the smoothed data, and a data calculation processing apparatus for performing the data processing under the data processing program.. . Hitachi Hightechnologies Corporation

06/04/15 20150152933  Micronano fluid damper A micronano fluid damper includes a sleeve, a piston assembly and a micronano fluid. The sleeve has an accommodating space. National Applied Research Laboratories

05/28/15 20150149653  Method and distributing media content A system that incorporates teachings of the present disclosure may include, for example, initializing a boundary estimate for an optimization of a linear programming model describing a network of media servers for servicing requests for media content items from subscriber devices, where the boundary estimate is an estimate of an infeasible solution of the linear programming model, and calculating iteratively, using an exponential potential function, additional boundary estimates for the linear programming model, wherein the calculating resolves to an improved boundary estimate that corresponds to placement of copies of the media content items at the media servers subject to a set of constraints on storage capacity of media servers and on bandwidth for communication links in the network. Other embodiments are disclosed.. At&t Intellectual Property I, Lp

05/28/15 20150149522  Fast normalization in a mixed precision floatingpoint unit A hardware circuit for returning single precision denormal results to double precision. A hardware circuit component configured to count leading zeros of an unrounded single precision denormal result. International Business Machines Corporation

05/28/15 20150149521  Fast normalization in a mixed precision floatingpoint unit A hardware circuit for returning single precision denormal results to double precision. A hardware circuit component configured to count leading zeros of an unrounded single precision denormal result. International Business Machines Corporation

05/28/15 20150144784  Exponential scan mode for quadrupole mass spectrometers to generate superresolved mass spectra A novel scanning method of a mass spectrometer apparatus is introduced so as to relate by simple time shifts, rather than time dilations, the component signal (“peak”) from each ion even to an arbitrary reference signal produced by a desired homogeneous population of ions. Such a method and system, as introduced herein, is enabled in a novel fashion by scanning exponentially the rf and dc voltages on a quadrupole mass filter versus time while maintaining the rf and dc in constant proportion to each other. Thermo Finnigan Llc

05/21/15 20150142864  High performance floatingpoint adder with full inline denormal/subnormal support According to one general aspect, an apparatus may include a floatingpoint addition unit that includes a far path circuit, a close path circuit, and a final result selector circuit. The far path circuit may be configured to compute a far path result based upon either the addition or the subtraction of the two floating point numbers regardless of whether the operands or the result include normal or denormal numbers.

05/21/15 20150142323  Method and system for determining an amplification quality metric According to one exemplary embodiment, a method for providing a amplification quality metric to a user is provided. The method includes receiving amplification data from an amplification of a sample to generate an amplification curve. Life Technologies Corporation

05/21/15 20150141890  Dynamically responsive brace One aspect of the present disclosure relates to a dynamically responsive brace that includes a flexible member sized and dimensioned to cover a target body region. At least one variable resistance element is associated with the flexible member. The Cleveland Clinic Foundation

05/21/15 20150139285  Compact floating point delta encoding for complex data A method, apparatus, and system for compression of complex data signals within a telecommunications base station. The system may include a transmitter configured to determine a larger value of either real or imaginary components of a digital complex signal. Rockstar Consortium Us Lp

05/21/15 20150137868  Cmos logarithmic current generator and generating a logarithmic current A cmos logarithmic current generator includes current mode circuitry having a design principle based on a taylor's series expansion that approximates an exponential function. A mosfet circuit provides a function generator core cell having a biasing current ib. King Fahd University Of Petroleum And Minerals

05/14/15 20150134021  Therapy delivery implantable medical devices Recent advancements in power electronics technology have provided opportunities for enhancements to circuits of implantable medical devices. The enhancements have contributed to increasing circuit miniaturization and an increased efficiency in the operation of the implantable medical devices.

05/14/15 20150130665  System and printing tunable antennas The present invention is a method and system for using a 3d printer for printing various tunable antennas. In one embodiment, and exponent antenna is created by printing a board using a 3d printer in combination with vacuum metallization to create the antenna and provide engineered break points for adjusting the printed antenna for the most effective gain.

05/14/15 20150128711  Wobble detection via software defined phaselock loops The embodiments relate to the use of one or more phase lock loops (pll's) for detecting wobble of a surface upon which a computing device is set. The pll's can be configured to lock onto an exponentiallydamped sinusoid output from an accelerometer in order to differentiate between surfaceinduced movement and direct humaninduced movement of the computing device.

05/07/15 20150127118  Prosthetic, orthotic or exoskeleton device A timedependent decay behavior is incorporated into one or more joint actuator control parameters during operation of a lowerextremity, prosthetic, orthotic or exoskeleton device. These parameters may include joint equilibrium joint impedance (e.g., stiffness, damping) and/or joint torque components (e.g., gain, exponent). Iwalk, Inc.

04/30/15 20150118558  Electrode material, electrode plate, lithium ion battery, manufacturing electrode material, and manufacturing electrode plate An electrode material of the present invention includes surfacecoated lixaydzpo4 particles obtained by coating surfaces of lixaydzpo4 (in which, a represents one or more selected from the group consisting of co, mn, ni, fe, cu and cr, d represents one or more selected from the group consisting of mg, ca, sr, ba, ti, zn, b, al, ga, in, si, ge, sc, y and rare earth elements, 0<x≦2, 0<y≦1, and 0≦z≦1.5) particles with a carbonaceous coat, and an elution amount of li is in a range of 200 ppm to 700 ppm and an elution amount of p is in a range of 500 ppm to 2000 ppm when the surfacecoated lixaydzpo4 particles are immersed in a sulfuric acid solution having a hydrogenion exponent of 4 for 24 hours.. . Sumitomo Osaka Cement Co., Ltd.

04/30/15 20150117827  Graded refractive index bendingresistant multimode optical fiber A graded refractive index bendingresistant multimode optical fiber includes a core layer and claddings. The core layer has a radius in a range of 22.527.5 μm; refractive indexes being a gradientgraded refractive index distribution with a distribution exponent α in a range of 1.992.06; and a maximum relative refractive index difference (rrid) Δ1% max in a range of 0.9%1.3%. Everpro Technologies Company Ltd.

04/16/15 20150104140  Graded refractive index bendingresistant multimode optical fiber A graded refractive index bendingresistant multimode optical fiber includes a core layer and claddings. The core layer has a radius in a range of 2050 μm; refractive indexes being a gradientgraded refractive index distribution with a distribution exponent a in a range of 1.891.97; and a maximum relative refractive index difference (rrid) Δ1% max in a range of 0.9%2.72%. Everpro Technologies Company Ltd.

04/16/15 20150102030  Multilayer oneway valve for packaging A multilayer oneway valve (100) includes: a first layer (10) having at least one first opening (12) formed therein; a second layer (20) having at least one second opening (22) formed therein; and, a third layer (30). The first and second layers are joined together such that at least one first channel (14) is defined therebetween, and the second and third layers are joined together such that at least one second channel (24) is defined therebetween. Ccl Label, Inc.

04/16/15 20150101417  Strain gauge and applications thereof In one aspect, wireless strain gauges are described herein. In some embodiments, a wireless strain gauge comprises a radio frequency identification (rfid) tag and a nanocomposite backplane coupled to the rfid tag, wherein the resonant frequency of the rfid tag antenna demonstrates an exponential dependence or substantially exponential dependence on the strain sensed by the strain gauge.. Wake Forest University

04/09/15 20150098345  Ternary sequences with power of two exponent dimensionalities suitable for channel estimation Methods, systems, and devices for channel estimation in a location tracking system are described. The methods, system, and devices may include tools and techniques for determining and/or designing perfect or semiperfect sequences (including preamble sequences) for implementation in a location tracking system. Qualcomm Incorporated

04/02/15 20150092850  Weighted multiband cross color channel predictor A sequence of visual dynamic range (vdr) images is encoded using a standard dynamic range (sdr) base layer and one or more enhancement layers. A predicted vdr image is generated from an sdr input by using a weighted, multiband, crosscolor channel prediction model. Dolby Laboratories Licensing Corporation

03/26/15 20150087055  Analog and mixedsignal computation and circuits in living cells Provided herein are molecular analog gene circuits that exploit positive and negative feedback to implement logarithmically linear sensing, addition, subtraction, and scaling thus enabling multiplicative, ratiometric, and powerlaw computations. The circuits exhibit weber's law behavior as in natural biological systems, operate over a wide dynamic range of up to four orders of magnitude, and can be architected to have tunable transfer functions. Massachusetts Institute Of Technology

03/26/15 20150086362  Control mitigating rotor imbalance on a wind turbine A wind turbine includes a rotor comprising multiple blades mounted on a hub, mimus mounted on each blade for sensing parameter signals thereof, and a control system. The control system includes a wind speed calculation unit, a wind shear calculation unit, a pitch angle compensation command calculation unit, and a pitch control unit. General Electric Company

03/26/15 20150084539  Method for operating a highpressure discharge lamp with a variable power A method for operating a highpressure discharge lamp with a variable power is disclosed. Said method utilizing at least the following steps: (a) providing highpressure discharge lamp, which has a nominal operating power; (b) operating the lamp with an instantaneous power, where the instantaneous power lies within relative lower and upper power limits, respectively, and said limits may depend on an average power, and said instantaneous power may lie within a predetermined absolute lower and upper power limit; (c) determining the average power from a onesided moving average value of the instantaneous power or the exponential smoothing of the instantaneous power of a time segment of predefined length.. Osram Gmbh

03/19/15 20150082047  Efficient multiplication, exponentiation and modular reduction implementations In one embodiment, the present disclosure provides a method that includes segmenting an nbit exponent e into a first segment et and a number t of kbit segments ei in response to a request to determine a modular exponentiation result r, wherein r is a modular exponentiation of a generator base g for the exponent e and a qbit modulus m, wherein the generator base g equals two and k is based at least in part on a processor configured to determine the result r; iteratively determining a respective intermediate modular exponentiation result for each segment ei, wherein the determining comprises multiplication, exponentiation and a modular reduction of at least one of a multiplication result and an exponentiation result; and generating the modular exponentiation result r=ge mod m based on, at least in part, at least one respective intermediate modular exponentiation result.. .

03/19/15 20150078150  Algebraic generators of sequences for communication signals A device for modulating communication signals comprises a transceiver for receiving and transmitting the signal, a storage medium storing computer implemented programme code components to generate sequences and a processor in communication with the storage medium and transceiver. The processor executes computer implemented programme code components to generate a family of shift sequences or arrays using exponential, logarithmic or index functions and a polynomial in i∈zp−1 for a finite field zp of prime p. Optimark, Llc

03/19/15 20150077180  Distortion compensation apparatus and distortion compensation method A distortion compensation apparatus includes: a storage unit that stores a distortion compensation coefficient; a distortioncompensationcoefficient selecting unit that takes a logarithm of power of an input signal and exponentiates a value obtained by taking the logarithm, and that selects a distortion compensation coefficient that is stored in the storage unit according to a value obtained by the exponentiating; a distortioncompensation processing unit that acquires the selected distortion compensation coefficient from the storage unit, and that performs distortion compensation processing on the input signal to the distortioncompensationcoefficient selecting unit using the acquired distortion compensation coefficient; an amplifier that amplifies the signal subjected to the distortion compensation processing; and a distortioncompensationcoefficient updating unit that updates the distortion compensation coefficient stored in the storage unit based on the amplified signal and the input signal to the distortioncompensationcoefficient selecting unit.. . Fujitsu Limited

03/12/15 20150073260  Bloodbrain barrier recovery curve assessment method and system The present invention relates to a bloodbrain barrier recovery curve assessment method which uses a focused ultrasound dynamic contrastenhanced mri technique, in order to obtain a permeability constant of drug. Furthermore, the present invention, using a double exponential distribution function mathematical model, can estimate the actual physiological recovery curve of the bloodbrain barrier. National Yangming University

03/05/15 20150067010  Floatingpoint adder circuitry An integrated circuit is provided that performs floatingpoint addition or subtraction operations involving at least three floatingpoint numbers. The floatingpoint numbers are preprocessed by dynamically extending the number of mantissa bits, determining the floatingpoint number with the biggest exponent, and shifting the mantissa of the other floatingpoint numbers to the right. Altera Corporation

03/05/15 20150061501  Ambient light sensor and electronic system having the same An ambient light sensor includes a photoelectric conversion unit, a current control unit, a signal conversion unit and a comparison unit. The photoelectric conversion unit provides a photo current having a magnitude corresponding to illuminance of incident light to a first node. Samsung Electronics Co., Ltd.

02/26/15 20150058556  Log data store that stores data across a plurality of storage devices using nondisjoint layers Storing data records within a log data store is provided. The log data store that stores data records within a plurality of successive nondisjoint layers inserted across a plurality of different types of data storage devices associated with a data processing system is generated. International Business Machines Corporation

02/26/15 20150058552  Log data store that stores data across a plurality of storage devices using nondisjoint layers Storing data records within a log data store is provided. The log data store that stores data records within a plurality of successive nondisjoint layers inserted across a plurality of different types of data storage devices associated with a data processing system is generated. International Business Machines Corporation

02/26/15 20150058388  Fractional scaling digital filters and the generation of standardized noise and synthetic data series Generation of standardized noise signals that provide mathematically correct noise with no errors and no loss of data, and can generate the noise of specific environments based on the transfer function of that environment are discussed. Various embodiments can generate synthetic data sets based on natural data sets that have similar scaling behavior. Wright State University

02/26/15 20150055471  System and qualitybased optimization of network traffic The protocol determines the quality of each node to node link(s), based on an exponentially weighted moving average of the time each packet spends within the network node. Once determined, that quality of link is then mapped into the physical qos resources of the networking hardware in use (within the network). Rajant Corporation

02/26/15 20150055001  Floating point image sensors with tilebased memory An image sensor may include an array of image sensor pixels arranged in rows and columns. Each image pixel arranged along a given column may be coupled to analogtodigital converter (adc) circuitry that is capable of converting analog pixel signals into a digital floating point equivalent representation. Aptina Imaging Corporation

02/26/15 20150055000  Floating point image sensors with different integration times An image sensor may include an array of image sensor pixels arranged in rows and columns. Each image pixel arranged along a given column may be coupled to analogtodigital converter (adc) circuitry that is capable of converting analog pixel signals into a floating point number. Aptina Imaging Corporation
