Wright State University Patent applications |
Patent application number | Title | Published |
20160018393 | TRANSMISSION-LINE-COUPLED MICROFLUIDIC-CHIP TECHNOLOGY FOR ELECTROMAGNETIC SENSING OF BIOMOLECULES AND BIOPARTICLES - A coplanar waveguide transmission line for use in detecting biomolecules and bioparticles is provided that includes a signal conductor disposed on a top surface of the dielectric substrate, a ground conductor disposed on the top surface of the dielectric substrate on each side of the signal conductor, a continuous gap defined between the signal conductor and each of the ground conductors, micro-channels disposed below a top surface of the dielectric substrate, and reservoirs disposed below the top surface of the substrate. | 01-21-2016 |
20150280036 | THz DISTRIBUTED DETECTORS AND ARRAYS - Terahertz (THz) distributed detectors, and arrays of detectors that utilize structured surface plasmonic effects for more efficient coupling to free space are discussed. One example distributed detector includes a detector junction comprising a Schottky or tunneling interface between a semiconductor and a detector metal, an ohmic junction comprising an ohmic interface between the semiconductor and an ohmic metal, and a gap that separates the detector junction from the ohmic junction. Structured surface plasmons concentrate an electric field in the gap when the distributed detector is exposed to THz radiation polarized perpendicular to the gap. | 10-01-2015 |
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. Fractional scaling digital filters, containing the fractional scaling characteristics of one or more of the eleven fundamental forms of basic building block transfer functions which incorporate the scaling exponent, can be encoded on FPGA devices or DSP chips for use in digital signal processing. Fractional Scaling Digital Filters allow fractional calculus, and thus fractional filtering (e.g., fractional scaling, fractional phase shifting, fractional integration, or fractional differentiation), to be performed on any signal, represent exact filtering solutions rather than approximations, and demonstrably are extremely accurate, highly efficient, and exhibit a higher level of performance than traditional DSP filters. | 02-26-2015 |
20150046388 | SEMANTIC PERCEPTION - Machine semantic perception is discussed. One example system can comprise an environmental knowledgebase (KB) associating features with properties, and an interface component receiving sensor data associated with observed properties. The KB and sensor observations can be encoded in bit-matrix and bit-vector representations, respectively, for efficient storage and computation. A perception component can perform semantic perception on observed properties based on the KB. The perception component can determine explanatory features associated with the observed properties through abductive reasoning, and determine discriminatory properties associated with the explanatory features through deductive reasoning. These can be executed in an iterative and interleaved Perception Cycle for efficient computation of minimum actionable explanations of observations. The bit-matrix and bit-vector representations are presented for efficient computation of minimum actionable explanation using perception cycle, the iterative and interleaved application of hybrid abductive and deductive reasoning to seek contextually relevant discriminatory observations to systematically narrow explanatory features. | 02-12-2015 |
20140358523 | TOPIC-SPECIFIC SENTIMENT EXTRACTION - One or more embodiments of techniques or systems for sentiment extraction are provided herein. From a corpus or group of social media data which includes one or more expressions pertaining to a topic, target topic, or a target, one or more candidate expressions may be extracted. Relationships between one or more pairs of candidate expressions may be identified or evaluated. For example, a consistency relationship or an inconsistency relationship between a pair may be determined. A root word database may include one or more root words which facilitate identification of candidate expressions. Among one or more of the root words may be seed words, which may be associated with a predetermined polarity. To this end, polarities may be determined based on a formulation which assigns polarities to a sentiment expression, candidate expressions, or an expression as a constrained optimization problem. | 12-04-2014 |
20140347073 | CONTACT-FREE PHOTOMIXING PROBE FOR DEVICE AND INTEGRATED CIRCUIT MEASUREMENT OR CHARACTERIZATION - A device for measuring and characterizing solid-state devices or integrated circuits at RF frequencies up to 1.0 THz and beyond is provided that includes a transmitting photomixing probe structure and a receiving photomixing probe structure. The transmitting photomixing probe structure and the receiving photomixing probe structure are ac-coupled to the solid-state device or integrated circuit in a contact-free manner. | 11-27-2014 |
20140335617 | CONTROLLING SURFACE WETTABILITY OF ULTRAHIGH SURFACE AREA HIERARCHICAL SUPPORTS - The subject innovation is directed to hierarchical structures characterized by ultrahigh surface area and methods of fabricating the same, as well as attachment of functional species to these structures to alter interactions of these hierarchical structures with their environments, such as by making them permanently or reversibly hydrophilic. One such example hierarchical structure can include a solid substrate, an intermediate layer, at least one plurality of nanoscale attachments that are strongly bonded to the intermediate layer, and an oxygen containing species coating the at least one plurality of nanoscale attachments. | 11-13-2014 |
20140195475 | PROBABILISTIC DECISION MAKING SYSTEM AND METHODS OF USE - Embodiments of this invention comprise modeling a subject's state and the influence of training treatments, or actions, on that state to create a training policy. Both state and effects of actions are modeled as probabilistic using Partially Observable Markov Decision Process (POMDP) techniques. Utilizing this model and the resulting training policy with subjects creates an effective decision aid for instructors to improve learning relative to a traditional scenario selection strategy. | 07-10-2014 |
20140194673 | PIEZOELECTRIC-BASED, SELF-SUSTAINING ARTIFICIAL COCHLEA - Piezoelectric transducer arrays and methods of making the same are discussed. Such an array can include a piezoelectric film comprising a plurality of segments. Adjacent segments can be separated by trenches of a plurality of trenches in the piezoelectric film. Additionally, such an array can include a plurality of electrodes attached to the plurality of segments. | 07-10-2014 |
20130325436 | Large Scale Distributed Syntactic, Semantic and Lexical Language Models - A composite language model may include a composite word predictor. The composite word predictor may include a first language model and a second language model that are combined according to a directed Markov random field. The composite word predictor can predict a next word based upon a first set of contexts and a second set of contexts. The first language model may include a first word predictor that is dependent upon the first set of contexts. The second language model may include a second word predictor that is dependent upon the second set of contexts. Composite model parameters can be determined by multiple iterations of a convergent N-best list approximate Expectation-Maximization algorithm and a follow-up Expectation-Maximization algorithm applied in sequence, wherein the convergent N-best list approximate Expectation-Maximization algorithm and the follow-up Expectation-Maximization algorithm extracts the first set of contexts and the second set of contexts from a training corpus. | 12-05-2013 |
20130130383 | ULTRAHIGH SURFACE AREA SUPPORTS FOR NANOMATERIAL ATTACHMENT - The present invention is directed to a hierarchical structure characterized by ultrahigh surface area comprising: a solid substrate; an intermediate layer; and at least one plurality of nanoscale attachments that are strongly bonded to the intermediate layer. Also disclosed is a method of fabricating a hierarchical structure comprising: selecting and preparing a parent substrate, wherein the preparing may optionally include cleaning or activation; modifying the substrate surface to form an intermediate layer; attaching at least one plurality of nanoscale attachments, wherein the nanoscale attachments are selected from nanotubes, nanoparticles, or combinations thereof, onto the intermediate layer; optionally attaching a second plurality of nanoscale attachments, wherein the nanoscale attachments are selected from nanotubes, nanoparticles, or combinations thereof, onto the first plurality of nanoscale attachments and intermediate layer. | 05-23-2013 |
20130065924 | COMPOSITION AND METHOD FOR THE TREATMENT OF NEURODEGENERATION - A composition and method for the treatment of neurodegeneration and brain-derived neurotrophic factor. The composition and method comprising providing fluoxetine, simvastatin, and optionally, an antioxidant. | 03-14-2013 |
20130046387 | TOE JOINT REPLACEMENT MODELS - In various embodiments, provided are implantable devices for replacing all or a portion of a metatarsophalangeal joint, comprising (i) a metatarsal component comprising a substantially convex bearing surface; or (ii) a phalanx component comprising a substantially concave bearing surface; or (iii) both. In various embodiments, also provided are methods of treating hallux valgus by replacing all or a portion of a metatarsophalangeal joint with one or more of the provided implantable devices. | 02-21-2013 |
20120330207 | TOE BRACE DESIGNS - In various embodiments, provided are braces for use in supporting the metatarsophalangeal joint, reducing or maintaining the intermetatarsal angle, enhancing or maintaining alignment of the hallux, or combinations thereof in a subject having hallux valgus. | 12-27-2012 |
20120042022 | METHODS AND SYSTEMS FOR ANALYSIS OF REAL-TIME USER-GENERATED TEXT MESSAGES - The present invention generally relates to methods and systems for analysis of real-time user-generated text messages. The methods and systems allow analysis to be performed using term associations and geographical and temporal constraints. | 02-16-2012 |
20110261926 | COMPUTED TOMOGRAPHY SCANNERS, X-RAY FILTERS AND METHODS THEREOF - A computed tomography scanner may include a component mounting assembly, an x-ray tube, a filter assembly, and a detector assembly. The filter assembly filters an x-ray fan or cone beam generated by the x-ray tube such that the x-ray beam comprises a high dose portion and one or more low dose portions. The filter assembly reduces the photon count of the low dose portions. The x-ray tube may be coupled to the component mounting assembly at a first end and the detector assembly coupled at a second end that is opposite from the first end. The component mounting assembly is rotatable about a rotation axis. The detector assembly includes an array of individual detector elements capable of detecting x-ray photons of the x-ray beam. The high dose portion strikes a high resolution region of the detector assembly and the low dose portion strikes a low resolution region of the detector assembly. | 10-27-2011 |
20110175627 | EVANESCENT MICROWAVE MICROSCOPY PROBE AND METHODOLOGY - The present disclosure generally relates to an evanescent microwave microscopy probe and methods for making and using the same. Some embodiments relate to a probe which is constructed of silver. Other embodiments relate to a method of measuring an unknown property a target material, comprising moving the probe away from the target material, taking a first measurement, moving the probe such that it touches the target material, taking a second measurement, and comparing the first and second measurements in order to measure the unknown property. | 07-21-2011 |
20110081073 | Methods And Logic For Autonomous Generation Of Ensemble Classifiers, And Systems Incorporating Ensemble Classifiers - In one embodiment, a method for generating an ensemble classifier may include transforming multidimensional training data into a plurality of response planes. Each of the response planes includes a set of confidence scores. The response planes are transformed into a plurality of binary response planes. Each of the binary response planes include a set of binary scores corresponding to one of the confidence scores. Combinations of the binary response planes are transformed into sets of diversity metrics according to a diversity measure. A metric is selected from the sets of diversity metrics. A predicted performance of a child combination of the recognition algorithms corresponding to the combinations is generated. The predicted performance is based at least in part upon the metrics. Parent recognition algorithms are selected from the recognition algorithms based at least in part upon the predicted performance. The ensemble classifier is generated and includes the parent recognition algorithms. | 04-07-2011 |
20110040549 | DISCRETE EVENT SIMULATION TOOL COMBINING PROCESS-DRIVEN AND EVENT-DRIVEN MODELS - The embodiments described herein generally relate to a discrete event simulation (DES) tool which combines the process-driven model and the event-driven model. This integrated process (which uses entities) and event simulation framework according to the various embodiments provides a platform that is appropriate for all combinations of simulation model requirements and at the same time provides higher level of model abstraction. The DES tool instantiates a new paradigm that permits flow of entities at the event-driven model layer that is analogous to their treatment at the process-driven model layer. | 02-17-2011 |
20110035019 | TOTAL ANKLE REPLACEMENT SYSTEM - A total ankle replacement system is presented. The total ankle joint replacement procedure can be used to treat persons with disability, deformity, or that are suffering from osteoarthritis and other arthritic conditions. The total ankle joint assembly generally comprises a tibial component, a talar component, and a bearing component, where the bearing component is positioned between and articulates with the tibial component and talar component to mimic the natural ankle joint movement. | 02-10-2011 |
20110016067 | PROBABILISTIC DECISION MAKING SYSTEM AND METHODS OF USE - Embodiments of this invention comprise modeling a subject's state and the influence of training scenarios, or actions, on that state to create a training policy. Both state and effects of actions are modeled as probabilistic using Partially Observable Markov Decision Process (POMDP) techniques. The POMDP is well suited to decision-theoretic planning under uncertainty. Utilizing this model and the resulting training policy with real world subjects creates a surprisingly effective decision aid for instructors to improve learning relative to a traditional scenario selection strategy. POMDP provides a more valid representation of trainee state and training effects, thus it is capable of producing more valid recommendations concerning how to structure training to subjects. | 01-20-2011 |
20100249942 | TOE JOINT REPLACEMENT MODELS - In various embodiments, provided are implantable devices for replacing all or a portion of a metatarsophalangeal joint, comprising (i) a metatarsal component comprising a substantially convex bearing surface; or (ii) a phalanx component comprising a substantially concave bearing surface; or (iii) both. In various embodiments, also provided are methods of treating hallux valgus by replacing all or a portion of a metatarsophalangeal joint with one or more of the provided implantable devices. | 09-30-2010 |
20100249687 | TOE BRACE DESIGNS - In various embodiments, provided are braces for use in supporting the metatarsophalangeal joint, reducing or maintaining the intermetatarsal angle, enhancing or maintaining alignment of the hallux, or combinations thereof in a subject having hallux valgus. | 09-30-2010 |
20100241009 | Systems and Methods for Detecting Movement of a Target - A system is disclosed for wirelessly detecting movement of a target. The system comprises a reference oscillator, a transmitter, a receiver, a demodulator, and a processor, wherein: the reference oscillator generates references frequencies for the transmitter, the receiver, and the demodulator; the transmitter generates a continuous-wave signal at a frequency based on the transmitter reference frequency and wirelessly transmits it to the target; the receiver wirelessly receives a reflected signal from the target having a phase angle corresponding to movement of the target and converts the reflected signal into an intermediate frequency signal based on the receiver reference frequency; the demodulator demodulates the intermediate frequency signal into an in-phase component and a quadrature component; and the processor converts the in-phase component and the quadrature component into a movement signal corresponding to movement of the target. | 09-23-2010 |
20100117259 | FABRICATION OF SMALL DIAMETER CONTINUOUS FIBERS - Methods of fabricating continuous nanofibers include the steps providing a column, flowing an extrusion liquid through the column, and flowing a precursor liquid through the extrusion liquid, wherein the flowing precursor liquid has a viscosity less than the viscosity of the extrusion liquid. The method further includes reducing the diameter of the flowing precursor liquid by extruding the precursor liquid through the extrusion liquid, wherein the diameter of the precursor liquid is reduced by a factor of at least 5, and forming a continuous nanofiber by solidifying the extruded precursor liquid. | 05-13-2010 |
20090240170 | SYSTEMS AND METHODS FOR DETERMINING PRE-FALL CONDITIONS BASED ON THE ANGULAR ORIENTATION OF A PATIENT - A system for collecting data related to the angular orientation of a patient for use in determining the presence of pre-fall conditions may include a wireless sensor and a base unit. The wireless sensor may be attached to the patient and include a first microprocessor operatively coupled to a gyroscope and a transmitter. The base unit may include a second microprocessor operatively coupled to a receiver and a data storage unit. The gyroscope may output a signal related to the angular orientation of the patient to the first microprocessor. The first microprocessor processes the signal received from the gyroscope and transmits data related to the angular orientation of the patient via the transmitter. The receiver in the base unit receives the data from the wireless sensor and passes the data to a second microprocessor. The second microprocessor stores formats the data and stores the data in the data storage unit for analysis. | 09-24-2009 |
20090061531 | DNA BINDING PROTEIN - Methods of screening for compounds which are, for example, capable of modulating amino acid-DNA interaction, modulating DNA replication, modulating cell proliferation, and for identifying compounds which inhibit cellular proliferation caused by cancer, are provided. | 03-05-2009 |
20080222140 | COMPARATIVE WEB SEARCH SYSTEM AND METHOD - A system and method for a comparative web search engines, search result summarization, web snippet processing, comparison analysis, information visualization, meta-clustering, and quantitative evaluation of web snippet quality are disclosed. The present invention extends the capabilities of web searching and informational retrieval by providing a succinct comparative summary of search results at either the object or thematic levels. | 09-11-2008 |