THE UNIVERSITY OF CONNECTICUT Patent applications |
Patent application number | Title | Published |
20160025926 | Optoelectronic Integrated Circuitry for Transmitting and/or Receiving Wavelength-Division Multiplexed Optical Signals - A WDM transmitter and/or receiver optoelectronic integrated circuit includes a plurality of microresonators and corresponding waveguides and couplers that are integrally formed on a substrate. For the WDM transmitter, the microresonators and waveguides are configured to generate a plurality of optical signals at different wavelengths. Each coupler includes a resonant cavity waveguide that is configured to transmit one optical signal from one waveguide to the output waveguide such that the plurality of optical signals are multiplexed on the output waveguide. For the WDM receiver, an input waveguide is configured to provide for propagation of a plurality of optical signals at different wavelengths. Each coupler includes a resonant cavity waveguide that is configured to transmit at least one optical signal from the input waveguide to one waveguide. The waveguides and microresonators are configured to perform optical-to-electrical conversion of the plurality of optical signals at different wavelengths that propagate in the waveguides. | 01-28-2016 |
20150349187 | POWER SEMICONDUCTOR DEVICE - A semiconductor device suitable for power applications includes a thyristor epitaxial layer structure defining an anode region offset vertically from a cathode region with a plurality of intermediate regions therebetween. An anode electrode is electrically coupled to the anode region. A cathode electrode is electrically coupled to the cathode region. A switchable current path that extends vertically between the anode region and the cathode region has a conducting state and a non-conducting state. An epitaxial resistive region is electrically coupled to and extends laterally from one of the plurality of intermediate regions. An FET is provided having a channel that is electrically coupled to the epitaxial resistive region. The FET can be configured to inject (or remove) electrical carriers into (or from) the one intermediate region via the epitaxial resistive region in order to switch the switchable current path between its non-conducting state and its conducting state. | 12-03-2015 |
20150214425 | Optoelectronic Integrated Circuit - A semiconductor device employs an epitaxial layer arrangement including a first ohmic contact layer and first modulation doped quantum well structure disposed above the first ohmic contact layer. The first ohmic contact layer has a first doping type, and the first modulation doped quantum well structure has a modulation doped layer of a second doping type. At least one isolation ion implant region is provided that extends through the first ohmic contact layer. The at least one isolation ion implant region can include oxygen ions. The at least one isolation ion implant region can define a region that is substantially free of charge carriers in order to reduce a characteristic capacitance of the device. A variety of high performance transistor devices (e.g., HFET and BICFETs) and optoelectronic devices can employ this device structure. Other aspects of wavelength-tunable microresonantors and related semiconductor fabrication methodologies are also described and claimed. | 07-30-2015 |
20150138881 | Thyristor Memory Cell Integrated Circuit - A semiconductor memory device including an array of memory cells (MC) formed on a substrate each realized from a load element and thyristor that define a switchable current path whose state represents a volatile bit value stored by the MC. At least one word line corresponding to a respective row of the array is formed on the substrate and coupled to MC current paths for the corresponding row. Bit lines corresponding to respective columns of the array are formed on the substrate and can be coupled to a modulation doped QW interface of the MC thyristors for the corresponding column. Circuitry is configured to apply an electrical signal to the word line(s) in order to generate current that programs phase change material of the MC load elements into one of a high or low resistive state according to state of the current path of the MCs for non-volatile backup purposes. | 05-21-2015 |
20140244225 | BATTERY STATE OF CHARGE TRACKING, EQUIVALENT CIRCUIT SELECTION AND BENCHMARKING - A method includes calculating a first estimated state of charge (SOC) of a battery at a first time, receiving a voltage value representing a measured voltage across the battery at a second time, calculating a filter gain at the second time, and calculating a second estimated SOC of the battery at the second time based on the first estimated SOC, the voltage value, and the filter gain. Another method includes storing, in a memory, a library of equivalent circuit models representing a battery, determining an operational mode of a battery based on a load associated with the battery, selecting one of the equivalent circuit models based on the determined operational mode, and calculating a state of charge of charge (SOC) of the battery using the selected equivalent circuit model. | 08-28-2014 |
20140244193 | BATTERY STATE OF CHARGE TRACKING, EQUIVALENT CIRCUIT SELECTION AND BENCHMARKING - A method includes calculating a first estimated state of charge (SOC) of a battery at a first time, receiving a voltage value representing a measured voltage across the battery at a second time, calculating a filter gain at the second time, and calculating a second estimated SOC of the battery at the second time based on the first estimated SOC, the voltage value, and the filter gain. Another method includes storing, in a memory, a library of equivalent circuit models representing a battery, determining an operational mode of a battery based on a load associated with the battery, selecting one of the equivalent circuit models based on the determined operational mode, and calculating a state of charge of charge (SOC) of the battery using the selected equivalent circuit model. | 08-28-2014 |
20140072308 | Circuit Architecture and System for Implantable Multi-Function and Multi-Analyte Biosensing Device - An implantable bio-sensing platform architecture that enables the wireless selection, calibration and reading of multiple sensors, as well as checking the power levels of the solar powering source energizing various electronic and optoelectronic devices and circuits embedded in the platform. It also permits checking the operation of the potentiostats interfacing with each amperometric analyte sensor. The platform is flexible to include FET based sensors for protein sensing as well as other applications including pH sensing. In addition, other physiological sensors can be integrated in the platform. | 03-13-2014 |
20140024792 | SCREENING PROCESSES, CONDUCTING POLYMERS, AND ELECTROCHROMIC DEVICES BASED ON DIFFUSIONAL GRADIENTS - Disclosed herein is a high throughput screening method which allows for the efficient and economical color screening of electrochromic copolymers with different monomer feed ratios. The process uses the diffusion behavior of the starting monomers at different concentrations to obtain diffusion coefficients, which can be used to quantify the monomer feed ratio for a given copolymer. Also disclosed herein are devices used in the process, conjugated copolymers obtained by using the method where the copolymers exhibit a certain property based on the monomer feed ratio, and devices made from the conjugated copolymers. | 01-23-2014 |
20130330762 | FLUORINATED VOLTAGE SENSITIVE DYES, PREPARATION THEREOF, AND OPTICAL METHODS OF USE - A fluorinated voltage sensitive dye has the structure | 12-12-2013 |
20130323698 | METHODS AND APPARATUS FOR INTERPERSONAL COORDINATION ANALYSIS AND TRAINING - Methods and systems for interpersonal coordination analysis and training are provided. In an example embodiment of a method for interpersonal coordination analysis and training, at least one physical action is selected to be performed. A leader subject is instructed to perform the at least one physical action in the presence of at least one follower subject. The at least one physical action of the leader subject is tracked. The at least one follower subject is instructed to mimic the at least one physical action of the leader subject. The at least one physical action of the at least one follower subject is tracked. Tracking data obtained from the tracking of the leader subject and the at least one follower subject is analyzed. From the analyzing of the tracking data, a responsiveness of the at least one follower subject to mimic the leader subject can be determined. | 12-05-2013 |
20130289286 | SELENIUM-BASED MONOMERS AND CONJUGATED POLYMERS, METHODS OF MAKING, AND USE THEREOF - Substituted selenophene monomers, and polymers and copolymers having units derived from a substituted selenophene are disclosed. Also provided are methods of making and using the same. | 10-31-2013 |
20130251762 | BIOMIMETIC SCAFFOLD FOR BONE REGENERATION - Described herein are novel methods of producing collagen-apatite (Col-Ap) scaffolds that exhibit a unique, anisotropic multi-level lamellar structure in which nano and submicron pores in each lamellae and macro pores are co-aligned. | 09-26-2013 |
20130161600 | FORMATION OF CONJUGATED POLYMERS FOR SOLID-STATE DEVICES - Disclosed herein is a facile process for the formation of conjugated polymers inside or outside assembled solid-state devices. One process generally involves applying a voltage to a device comprising at least two electrodes, a combination of an electrolyte composition and a electroactive monomer disposed between the electrodes, and a potential source in electrical connection with the at least two electrodes; wherein the applying voltage polymerizes the electroactive monomer into a conjugated polymer. Also disclosed are electrochromic articles prepared from the process and solid-state devices comprising a composite of an electrolyte composition and a conjugated polymer. | 06-27-2013 |
20130109963 | METHOD AND APPARATUS FOR MEDICAL IMAGING USING COMBINED NEAR-INFRARED OPTICAL TOMOGRAPHY, FLUORESCENT TOMOGRAPHY AND ULTRASOUND | 05-02-2013 |
20120241327 | MATERIALS AND DESIGN FOR AN ELECTROCATALYTIC DEVICE AND METHOD WHICH PRODUCES CARBON NANOTUBES AND HYDROCARBON TRANSPORTATION FUELS - The present teachings are directed toward an electrocatalytic cell including a barrier, having at least a first side and a second side opposite the first side, comprising a material permeable to oxygen ions and impermeable to at least CO | 09-27-2012 |
20120196893 | COMPOSITION, METHOD, SYSTEM AND KIT FOR OPTICAL ELECTROPHYSIOLOGY - The present invention provides a method of optical electrophysiological probing, including: providing a fluorescing chemical probe; contacting a thick portion of tissue with the fluorescing chemical probe to create a thick portion of treated tissue; applying a first range of wavelengths of electromagnetic radiation to the treated portion of tissue; and detecting a plurality of depth-specific emission wavelengths emitted from the thick portion of treated tissue. | 08-02-2012 |
20120040907 | Method of Use of Bioactive Materials - A bioactive material is made using fibroin solutions and suspensions designed to support the constructions, repair, regeneration or augmentation of bone and other tissues of the body. The fibroin solutions, suspensions, and composites can be injected to fill cavities or to replace missing tissue. After injection, the materials can produce a scaffold capable of promoting tissue regeneration while degrading. The ability to inject the fibroin solutions, suspensions and composites can reduce the need for many types of surgical procedures that are used to replace or repair bone and other tissues. The fibroin solutions and suspensions are particularly useful for methods of tissue construction and/or repair. | 02-16-2012 |
20100278383 | SYSTEM AND METHOD FOR RECOGNITION OF A THREE-DIMENSIONAL TARGET - A system for recognition of a target three-dimensional object is disclosed. The system may include a photon-counting detector and a three-dimensional integral imaging system. The three-dimensional integral imaging system may be positioned between the photon-counting detector and the target three-dimensional object. | 11-04-2010 |
20100222897 | DISTRIBUTED FAULT DIAGNOSIS - A distributed diagnosis algorithm based on a multi-signal digraph model of an overall system is provided. In addition, a model enables the generation of a fault-test dependency matrix (D-matrix), which summarizes the detection capabilities of tests designed for faults associated with each node. Each row represents a fault state and each column represents a test. | 09-02-2010 |
20100203566 | Methods for the Detection and Monitoring of Congestive Heart Failure - Disclosed herein are methods of detecting and/or prognosing congestive heart failure by detecting a proteolytic fragment of caspase-3 such as the p17 fragment or the p12 fragment. The congestive heart failure can be of any etiology, such as systolic or diastolic heart failure, ischemic or non-ischemic cardiomyopathy. | 08-12-2010 |
20100094134 | METHOD AND APPARATUS FOR MEDICAL IMAGING USING NEAR-INFRARED OPTICAL TOMOGRAPHY COMBINED WITH PHOTOACOUSTIC AND ULTRASOUND GUIDANCE - Disclosed herein is an apparatus for biological imaging comprising a probe comprising an emitter and a detector; a source circuit connected in operational communication to the emitter; a detector circuit connected in operational communication to the detector; a central processing unit connected to the source circuit and the detector circuit; a display operably connected to the central processing unit; and wherein the apparatus is capable of photoacoustic tomography and diffusive optical tomography and/or ultrasound tomography. | 04-15-2010 |
20100068200 | Methods and Compositions for Inhibiting Atherosclerosis and Vascular Inflammation - Disclosed herein are compositions and methods for reducing inflammation associated with atherosclerosis and/or vascular inflammatory disease. The methods include administering to a subject in need of treatment for atherosclerosis and/or vascular inflammation a pharmaceutically effective amount of an inhibitor of the receptor activity of the S1P2 receptor. Also included are compositions including an S1P2 receptor antagonist and a pharmaceutically acceptable excipient. | 03-18-2010 |
20100043081 | Detecting and Revoking Pirate Redistribution of Content - Disclosed are methods, systems and articles for tracing and disabling one or more unauthorized distributors of content originally transmitted by a distribution center. In some embodiments, a method includes receiving rebroadcast transmissions of a data segment previously transmitted by the distribution center, the received segment including embedded information associated with a subset of recipients that includes at least one of the unauthorized distributors, and identifying the subset based on the embedded information. The method further includes assigning recipients in the identified subset into two or more new subsets such that the at least one unauthorized distributor is assigned to one of the two or more new subsets, and coding a subsequent data segment to be transmitted with additional embedded information associated with the two or more new subsets. The above operations may be repeated until the at least unauthorized distributor is identified. | 02-18-2010 |
20100040224 | OPTICAL SECURITY SYSTEM USING FOURIER PLANE ENCODING - A method of encrypting a set of data is disclosed. The method may include encoding a set of data with a first encryption key, and transforming the set of data encoded with the first encryption key. The method may also include using a second encryption key to encode the transformation of the set of data encoded with the first encryption key. The method may also include transforming the encoded transformation of the set of data encoded with the first encryption key generating thereby and encrypted set of data. | 02-18-2010 |
20090305106 | COATINGS, MATERIALS, ARTICLES, AND METHODS OF MAKING THEREOF - A thermal spray process comprises injecting precursor solution droplets into the hot zone of the thermal spray flame. Also described are materials resulting from the process. | 12-10-2009 |
20090262182 | THREE-DIMENSIONAL IMAGING APPARATUS - A three-dimensional imaging apparatus for imaging a three-dimensional object may include a microlens array, a sensor device, and a telecentric relay system positioned between the microlens array and the sensor device. A telecentric relay system may include a field lens and a macro objective that may include a macro lens and an aperture stop. A method of imaging a three-dimensional object may include providing a three-dimensional imaging apparatus including a microlens array, a sensor device, and a telecentric relay system positioned between the microlens array and the sensor device; and generating a plurality of elemental images on the sensor device, wherein each of the plurality of elemental images has a different perspective of the three-dimensional object. | 10-22-2009 |
20090247785 | METHODS AND SYSTEMS FOR PRETREATMENT OF AN OIL STREAM - In one embodiment, a method for pre-treating an oil comprises: introducing a oil, an alcohol, and an acid catalyst to a first continuous stirred tank reactor vessel, wherein the oil comprises free fatty acids; selectively reacting the oil and the alcohol to convert the free fatty acids to alkyl esters, wherein the reaction does not produce glycerol; removing a pre-treated oil stream from a lower portion of the first continuous stirred tank reactor, wherein the pre-treated oil stream comprises the alkyl esters; and recycling the alcohol and acid catalyst from an upper portion of the first continuous stirred tank reactor. | 10-01-2009 |
20090208380 | SYSTEMS FOR ALKYL ESTER PRODUCTION - In one embodiment, an alkyl ester production system can comprise: a first transesterification reactor comprising a liquid biomass inlet located between a liquid glycerol outlet and a liquid alkyl ester outlet, a water wash vessel comprising an alkyl ester inlet, a water inlet located near a top of the water wash vessel, and a washed alkyl ester outlet located near the top of the water wash vessel, wherein the alkyl ester inlet is located near a bottom of the water wash vessel, and a drier comprising a washed alkyl ester inlet located near a top of the drier, and a gas inlet and a dried alkyl ester outlet located near the bottom of the drier. The first transesterification reactor can be configured for laminar flow and for liquid reactants and products. The alkyl ester inlet can be in fluid communication with the washed alkyl ester outlet. | 08-20-2009 |
20090160985 | METHOD AND SYSTEM FOR RECOGNITION OF A TARGET IN A THREE DIMENSIONAL SCENE - A method for three-dimensional reconstruction of a three-dimensional scene and target object recognition may include acquiring a plurality of elemental images of a three-dimensional scene through a microlens array; generating a reconstructed display plane based on the plurality of elemental images using three-dimensional volumetric computational integral imaging; and recognizing the target object in the reconstructed display plane by using an image recognition or classification algorithm. | 06-25-2009 |
20090134037 | Methods and apparatus for the synthesis of useful compounds - The present invention relates to methods and apparatus for activation of a low reactivity, non-polar chemical compound. In one example embodiment, the method comprises introducing the low reactivity chemical compound to a catalyst. At least one of (a) an oxidizing agent or a reducing agent and (b) a polar compound is provided to the catalyst and the chemical compound. An alternating current is applied to the catalyst to produce an activation reaction in the chemical compound. This activation reaction produces a useful product. | 05-28-2009 |
20090101516 | METHODS AND APPARATUS FOR THE SYNTHESIS OF USEFUL COMPOUNDS - The present invention relates to methods and apparatus for activation of a low reactivity, non-polar chemical compound. In one example embodiment, the method comprises introducing the low reactivity chemical compound to a catalyst. At least one of (a) an oxidizing agent or a reducing agent and (b) a polar compound is provided to the catalyst and the chemical compound. An alternating current is applied to the catalyst to produce an activation reaction in the chemical compound. This activation reaction produces a useful product. The present invention also relates to a method for oxidizing aromatic compounds by electrocatalysis to oxidized products. | 04-23-2009 |
20090011235 | MANGANESE OXIDE NANOWIRES, FILMS, AND MEMBRANES AND METHODS OF MAKING - Nanowires, films, and membranes comprising ordered porous manganese oxide-based octahedral molecular sieves and methods of making the same are disclosed. A method for forming nanowires includes hydrothermally treating a chemical precursor composition in a hydrothermal treating solvent to form the nanowires, wherein the chemical precursor composition comprises a source of manganese cations and a source of counter cations, and wherein the nanowires comprise ordered porous manganese oxide-based octahedral molecular sieves. | 01-08-2009 |
20080218864 | OPTICAL SECURITY SYSTEM USING FOURIER PLANE ENCODING - A method of verifying the authenticity of an object is disclosed. The method may include encoding a primary image, convolving the encoded primary image with a random code, generating thereby a first reference image, transforming the first reference image, and correlating the first reference image with a second reference image. | 09-11-2008 |