Date/App# 
List of recent Exponentrelated patents 
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 
02/26/15 20150054999  Image sensors for generating floating point numbers 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 20150053627  Filter media having an optimized gradient Filter media having a gradient in a property and methods associated with such media are provided. In some embodiments, a filter media may have a gradient in mean pore size. Hollingsworth & Vose Company 
02/19/15 20150052603  Antitamper system with selfadjusting guards An antitamper system is disclosed that includes selfadjusting guards inserted in software. Selfadjusting guards include invocation criteria and guard function. Arxan Technologies, Inc. 
02/19/15 20150052335  Interpolation implementation Techniques are disclosed relating to floatingpoint operations in computer processors. In one embodiment, an apparatus includes a floatingpoint unit and circuitry configured to receive an initial value x for a floatingpoint operation. Apple Inc. 
02/05/15 20150039753  System and capacity planning for systems with multithreaded multicore multiprocessor resources A method for expressing a hierarchy of scalabilities in complex systems, including a discrete event simulation and an analytic model, for analysis and prediction of the performance of multichip, multicore, multithreaded computer processors is provided. Further provided is a capacity planning tool for migrating data center systems from a source configuration which may include source systems with multithreaded, multicore, multichip central processing units to a destination configuration which may include destination systems with multithreaded, multicore and multichip central processing units, wherein the destination systems may be different than the source systems. Ca, Inc. 
02/05/15 20150039661  Type conversion using floatingpoint unit Techniques are disclosed relating to type conversion using a floatingpoint unit. In one embodiment, to convert a floatingpoint value to a normalized integer format, a floatingpoint unit is configured to perform an operation to generate a result having a significant portion and an exponent portion, where the operation includes multiplying the floatingpoint value by a constant. Apple Inc. 
02/05/15 20150039238  Dispersionrelation fluorescence spectroscopy Methods for deriving a diffusion coefficient and a drift velocity characterizing an ensemble of particles. A time series of images is acquired, and each image is fourier transformed. Board Of Trustees Of The University Of Illinois 
02/05/15 20150038341  Digital amplification The identification of predefined mutations expected to be present in a minor fraction of a cell population is important for a variety of basic research and clinical applications. The exponential, analog nature of the polymerase chain reaction is transformed into a linear, digital signal suitable for this purpose. The Johns Hopkins University 
01/29/15 20150030448  Optimisation of power production in a wind turbine at below rated power The rotor blades of a wind turbine each have a plurality of fibreoptic pressure variation sensors which can detect the onset of a stall condition. The output of the stall condition sensors is input to a stall count circuit which increases a stall count signal each time a stall indication is received. Vestas Wind Systems A/s 
01/22/15 20150026227  Block exponent integer data format A digital processing system comprises an input configured for receiving data in block exponent integer format, wherein each block comprises a plurality of data values sharing a single exponent. The plurality of data values has a common data bit width, and the exponent has an exponent bit width. 
01/22/15 20150024482  Compositions and methods for generating a persisting population of t cells useful for the treatment of cancer The present invention provides compositions and methods for generating a genetically modified t cells comprising a chimeric antigen receptor (car) having an antigen binding domain, a transmembrane domain, a costimulatory signaling region, and a cd3 zeta signaling domain, wherein the t cell exhibits prolonged exponential expansion in culture that is ligand independent and independent of the addition of exogenous cytokines or feeder cells.. . The Trustees Of The University Of Pennsylvania 
01/22/15 20150023496  Pairing computation apparatus, pairing computation method, and computer program product According to an embodiment, a pairing computation apparatus receives two points on a predetermined elliptic curve defined on a finite field, and outputs a pairing value that is an element on an extension field of the finite field. The apparatus includes a miller function computation unit and a final exponentiation unit. Kabushiki Kaisha Toshiba 
01/22/15 20150023457  System and processing a signal received from a microelectromechanical system System for processing a signal received from a microelectromechanical system, comprising means for sampling said received signal at a sampling frequency (fe), means for frequency shifting a sampled signal by multiplying said sampled signal by a complex exponential function, means for lowpass filtering the frequency shifted signal, and means for subsampling said filtered signal.. . Thales 
01/22/15 20150022134  Machine tool and control the same A machine tool includes a rotational drive unit that rotationally drives a main spindle to which a tool is attached, a moving unit that relatively moves the tool with respect to the workpiece, and a rotational speed adjustment unit that adjusts a rotational speed of the main spindle by controlling the rotational drive unit. The machine tool also includes a machining start determination unit that determines that machining of the workpiece by the tool is started with the rotational drive unit rotationally driving the main spindle. Okuma Corporation 
01/15/15 20150017339  Substrate structure grown by plasma deposition Substrate structure comprising a substrate (6) and a plasma grown layer (6a). The surface of the resulting substrate structure (7) is characterized by interrelated scaling components. Fujifilm Manufacturing Europe B.v. 
01/08/15 20150010248  Image processing apparatus and image processing method using the same An image processing apparatus for adjusting the luminance of a target pixel of an image is provided. The target pixel includes original pixel data and corresponds to a mask value. Novatek Microelectronics Corp. 
01/01/15 20150006114  System and image processing with highly undersampled imaging data A system and method for processing highly undersampled multiecho spinecho data by linearizing the sliceresolved extended phase graph model generates highly accurate t2 maps with indirect echo compensation. Principal components are used to linearize the signal model to estimate the t2 decay curves which can be fitted to the sliceresolved model for t2 estimation. Arizona Board Of Regents On Behalf Of The University Of Arizona 
01/01/15 20150001537  Charge ordered vertical transistors A vertical charge ordered transistor is disclosed. A thin charge ordered layer is employed as a tunnel barrier between two electrodes. The Trustees Of The University Of Pennsylvania 
12/25/14 20140379772  Processor and control processor A processor includes: an exponent generating unit that generates an exponent part of a coefficient represented by a floating point number format based on a first part of received input data, the coefficient being obtained when an exponential function is decomposed into a series operation and the coefficient for the series operation; a storage unit that stores a mantissa part of the coefficient; a constant generating unit that reads constant data corresponding to a second part of the input data from the storage unit; and a selecting unit that selects and outputs the constant data from the constant generating unit when an instruction to be executed is a coefficient calculation instruction for calculation of the coefficient of the exponential function.. . Fujitsu Limited 
12/18/14 20140368242  Method and control of a digital phase locked loop (dpll) with exponentially shaped digitally controlled oscillator (dco) Various systems and methods utilizing a digitally controlled oscillator having frequency steps that increase in magnitude as a target output clock frequency increases are described. An integrated circuit in accordance with the disclosure includes a plurality of first transistor units fixedly coupled to an input voltage and a plurality of second transistor units switchably coupled to the first transistor units. Broadcom Corporation 
12/11/14 20140365500  Fast, scalable dictionary construction and maintenance A computerimplemented method of constructing and maintaining a record keeping dictionary data structure can include: generating a patricia trie from a set of strings; generating multiple kthlevel elevatorstairs data structures at exponentially reducing klevels, wherein each of the kthlevel elevatorstairs data structure includes a kthlevel trie corresponding to the patricia trie and wherein nodes of the kthlevel trie at string depths of integer multiples of k are accessible through hash table links; and linking nodes in neighboring kthlevel tries of the multiple kthlevel elevatorstairs data structures where the nodes represent a same node in the patricia trie.. . 
12/04/14 20140358793  Unforgeable noisetolerant quantum tokens A quantum ticket is defined by a unique serial number; and a set of qubits, each qubit encoding quantum information. The serial number and the set of qubits are distributed only among one or more trusted verifiers who require a tolerance fidelity ftol in order to authenticate the token, where ftol represents a minimum percentage of correct outcomes during authentication of the serial number and the set of qubits. 