Patent application number | Description | Published |
20110158381 | 2D REFLECTOR AND COLLIMATOR STRUCTURE AND METHOD OF MANUFACTURING THEREOF - A two dimensional collimator assembly and method of manufacturing thereof is disclosed. The collimator assembly includes a wall structure constructed to form a two dimensional array of channels to collimate x-rays. The wall structure further includes a first portion positioned proximate the object to be scanned and configured to absorb scattered x-rays and a second portion formed integrally with the first portion and extending out from the first portion away from the object to be scanned. The first portion of the wall structure has a height greater than a height of the second portion of the wall structure. The second portion of the wall structure includes a reflective material coated thereon in each of the channels forming the two dimensional array of channels. | 06-30-2011 |
20110260377 | X-RAY DETECTOR FABRICATION METHODS AND APPARATUS THEREFROM - A method includes fabricating an energy detector using a sol-gel process. | 10-27-2011 |
20120018923 | SYSTEM AND METHOD FOR FORMING A CERAMIC SCINTILLATOR - A manufacturing line for fabricating a scintillator that includes a vat configured to receive a mixture of scintillator components. The mixture includes a dissolved acid solution comprising a rare earth element, a gallium compound, an aluminum compound, and a cerium salt. The vat is further configured to react a base solution with the mixture to form a precipitate. The manufacturing line further includes a separator configured to separate the precipitate from a remaining portion of the mixture, and a compaction device configured to compact the precipitate to form a green ceramic wafer. | 01-26-2012 |
20130026380 | RADIATION DETECTOR WITH ANGLED SURFACES AND METHOD OF FABRICATION - Radiations detectors with angled walls and methods of fabrication are provided. One radiation detector module includes a plurality of sensor tiles configured to detect radiation. The plurality of sensor tiles have (i) top and bottom edges defining top and bottom surfaces of the plurality of sensor tiles, (ii) sidewall edges defining sides of the plurality of sensor tiles, and (iii) corners defined by the top and bottom edges and the sidewall edges. The radiation detector module also has at least one beveled surface having an oblique angle, wherein the beveled surface includes beveling of at least one of top or bottom edges, the side wall edges, or the corners. | 01-31-2013 |
20130108019 | DETECTOR MODULES FOR IMAGING SYSTEMS AND METHODS OF MANUFACTURING | 05-02-2013 |
20130270482 | RARE EARTH GARNET SCINTILLATOR AND METHOD OF MAKING SAME - A detector for detecting high-energy radiation is disclosed. The detector includes scintillating material with a garnet structure includes gadolinium, yttrium, cerium, gallium, and aluminum. The scintillating material is expressed as (Gd | 10-17-2013 |
Patent application number | Description | Published |
20080292503 | DETECTION DEVICE AND METHOD - A detection device and method for detecting the presence of an agent in a fluid. The device includes a membrane having first and second sides. The membrane allows a stimulus, e.g. ultraviolet light, to dissolve in response to presence of the agent. A source is positioned on a first side of the membrane. The source sources the stimulus toward the membrane. A detection structure is disposed on the second side of the membrane for detecting the stimulus. The detection structure generates an output voltage in response to the intensity of the stimulus detected. As the membrane dissolves, the intensity of the stimulus detected changes. | 11-27-2008 |
20090073569 | COMPOUND EYE - A compound eye is provided. The compound eye includes a microfluidic device defining a plurality of wells therein. A plurality of lenses are disposed in corresponding wells of the microfluidic device. Each lens has a tunable focal length. A tuning structure tunes the focal length of each lens in response to a predetermined stimulus. | 03-19-2009 |
20090303606 | Variable-Focus Lens Assembly - A variable-focus lens assembly is provided. The lens assembly includes a microfluidic device that defines a chamber for receiving a fluid therein. A slip having an aperture therethrough is disposed in the chamber. A first fluid is disposed on the first side of the slip and a second fluid is disposed on the second side of the slip. A lens is formed from the interface of the first and second fluids. The outer periphery is pinned to the slip about the aperture. A turning structure fabricated from a hydrogel material engages the slip and tunes the focal length of the lens in response to a predetermined stimulus. | 12-10-2009 |
20100269572 | Microfluidic Device Integrating Sensing Element And Method - A sensing device and method are provided for sensing a target. The sensing device includes a body having a first inner surface at least partially defining a channel network for receiving the target therein. A liquid crystal is anchored to the first inner surface of the body and includes a plurality of mesogens. Each mesogen is movable between a first orientation and a second orientation in response to communication with the target. | 10-28-2010 |
20100286476 | Endoscope With Tunable-Focus Microlens - An endoscope is provided for observing an object. The endoscope includes a microfluidic device defining a well therein and a lens disposed in the well of the microfluidic device. The lens has a tunable focal length. A tuning structure is provided for tuning the focal length of the lens in response to a predetermined stimulus and an illumination fiber may be positioned adjacent to the lens for illuminating the object. An activation fiber bundle is adjacent to the tuning structure for providing the predetermined stimulus to the tuning structure. The image acquisition fiber bundle is in alignment with the lens for receiving an image therefrom. | 11-11-2010 |
20130038267 | PHOTOVOLTAIC CAPACITOR FOR DIRECT SOLAR ENERGY CONVERSION AND STORAGE - A method and device for harvesting and storing solar energy is provided. The device converts solar energy to electrical energy via the photovoltaic effect. The device includes a pair of electrodes, at least one of which is transparent to allow solar energy to pass through. A medium is disposed between the electrodes which exhibits a combination of photovoltaic and ferroelectric properties. When solar energy passes through the transparent electrode and is received by the medium, electron-hole pairs establish a voltage potential between electrodes in the device via the photovoltaic effect. The voltage potential may be retained and the mobile charge may be stored in the absence of solar energy via the ferroelectric effect. | 02-14-2013 |
20130137054 | INFRARED LIGHT- AND THERMAL-RESPONSIVE GRAPHENE OXIDE HYDROGEL POLYMER COMPOSITES - Composite hydrogels and methods for making and using the composite hydrogels are provided. The composite hydrogels comprise graphene oxide flakes distributed in, and covalently bonded to, a thermo-responsive hydrogel polymer. | 05-30-2013 |
20140238488 | Passive Solar Tracking System To Enhance Solar Cell Output - A passive solar tracking system to enhance solar cell output is provided. The passive solar tracking system includes a panel having at least one solar cell for solar-to-electric conversion and an actuator that is arranged for moving the panel to provide the variable facing direction of the panel. The actuator is directly driven by light such as sunlight to provide artificial heliotropism-type movements of the panel, so that the panel passively tracks and continuously faces the sun. The actuator may be made from a composite material including a matrix of liquid crystal elastomer material incorporating single-wall or multi-wall carbon nanotubes and an elastic skeleton defined by a 3D polyurethane fiber-network. An actuator housing may be arranged with respect to the actuator for enhancing delivery of stimulus to the actuator. The actuator housing may include a heat collector and a light concentrator for facilitating actuation of the actuator. | 08-28-2014 |
20140251417 | Recovering Performance Of Degraded Solar Cells With Electrical Pulses - A system and method for recovering performance of a degraded solar cell are provided. The system includes a solar cell having electrodes arranged on opposing sides of an electrolyte and defining a solar cell polarity therebetween and a power source connected to the electrodes. A controller controls the power source for applying a voltage pulse(s) across the solar cell. The voltage pulse may be applied at the solar cell polarity so as to define a forward electrical bias of the solar cell. | 09-11-2014 |
20140253870 | Variable-Focus Lens System - A variable-focus lens system that includes a lens assembly having an electrowetting liquid lens that can be wrapped onto a curved surface such as a lens without distorting a chamber holding the electrowetting liquid lens is provided. The lens assembly includes a container body having a cup, in which the chamber is defined, and supports that extend in different directions from the cup. A flexible base substrate is arranged under the container body. Both the container body and flexible base substrate may be made from a soft polymer material and made using low-temperature fabrication processes. The flexible base substrate may be thinner than the container body and provide a relatively large surface area that engages the curved surface such that the stresses associated with wrapping a micro lens assembly onto the curved surface may be primarily absorbed by the flexible base substrate. | 09-11-2014 |
Patent application number | Description | Published |
20100106018 | ULTRASONIC STRAIN IMAGING DEVICE WITH SELECTABLE COST-FUNCTION - An elasticity measuring system determines tissue displacement between a pre-deformation and post-deformation image by a matching process using a cost function accepting as its arguments continuity of the tissue motion and correlation of the tissue in making the block matching. The invention allows the selection among different cost functions for different imaging situations or tissue types, to provide improved displacement calculations using a priori knowledge about the tissue and structure of tissue interfaces or information derived during the scanning process. | 04-29-2010 |
20100106180 | APPARATUS AND METHOD FOR TREATING AN ANEURYSM - In an apparatus and method for treating an aneurysm, a flow control member is positioned within a blood vessel at least in part upstream of an aneurysm and extending radially inward of the blood vessel wall into the flow path of blood flowing within the blood vessel. The flow control member alters the blood flow path within the blood vessel upstream of the aneurysm to inhibit blood flow to the aneurysm. A retention member may be positioned within the blood vessel at least in part upstream from the aneurysm and having an outer surface engageable with the blood vessel wall. In such an instance, the flow control member is retained by the retention member and extends radially inward of the blood vessel wall upstream from the aneurysm. | 04-29-2010 |
20110149060 | ELASTICITY IMAGING DEVICE WITH IMPROVED CHARACTERIZATION OF SEED DISPLACEMENT CALCULATIONS - The identification of preferred seed calculations used to guide the determination of displacement vectors in elasticity imaging may evaluate seeds using a combination of a measure of the similarity of the data of the seed in pre- and post-compression data and continuity of the data in a path in the neighborhood of the seed. This dual evaluation helps avoid downstream error propagation. | 06-23-2011 |
20120095333 | Coupled Axial and Lateral Displacement Estimation for Elasticity Imaging - The determination of axial and lateral displacement in a material subject to compression is determined by fitting a multi-dimensional model function to the match between corresponding portions of the material in two states of compression. In one embodiment, iso-contour lines in a correlation between a reference kernel and a target kernel are fit to an ellipse whose center defines the maximum correlation and hence the displacement. | 04-19-2012 |
20120330155 | Automated Ultrasonic Elasticity Image Formation with Quality Measure - Image data and E-mode images used in ultrasonic elasticity imaging may be automatically evaluated for quality to provide a single value used as operator feedback or for automatic selection of images for averaging or animation. | 12-27-2012 |
20130066219 | Method for Assessing The Efficacy of a Flow-Diverting Medical Device in a Blood Vessel - A method for producing a computational flow dynamics model for assessing the efficacy of the deployment of a flow-diverting device in a blood vessel of a patient is provided. Image data of the patient is acquired with a medical imaging system, from which images depicting the blood vessel are reconstructed. A pre-treatment blood vessel model is generated by segmenting the reconstructed images. This pre-treatment blood vessel model is then used to generate a post-treatment, or post-deployment, model of the blood vessel. A post-deployment model of the flow-diverting device is generated and used together with the post-treatment blood vessel model to generate a computational flow dynamics model. | 03-14-2013 |
20140198961 | Automated Ultrasonic Elasticity Image Formation with Quality Measure - Image data and E-mode images used in ultrasonic elasticity imaging may be automatically evaluated for quality to provide a single value used as operator feedback or for automatic selection of images for averaging or animation. | 07-17-2014 |
Patent application number | Description | Published |
20120235473 | SYSTEMS AND METHODS FOR OVERCHARGE PROTECTION AND CHARGE BALANCE IN COMBINED ENERGY SOURCE SYSTEMS - Provided herein are energy source systems for a vehicle. One energy source system for a vehicle includes a battery having a plurality of cells coupled in series with one another and adapted to be coupled to an alternator of the vehicle. The energy source system for the vehicle also includes one or more ultracapacitors coupled in series with one another and adapted to be coupled to starting components of the vehicle. The battery and the one or more ultracapacitors are coupled to one another in a parallel arrangement, and a combined voltage of the battery cells is substantially matched with a combined voltage of the one or more ultracapacitors. | 09-20-2012 |
20120235511 | ENERGY SOURCE SYSTEM HAVING MULTIPLE ENERGY STORAGE DEVICES - System are described that include an energy storage device adapted to store and release energy and an ultracapacitor. The systems include a switching device coupled to the energy storage device to selectively connect and disconnect the energy storage device to a load, and a second switching device coupled to the ultracapacitor and adapted to connect and disconnect the ultracapacitor to the load. The systems may include a sensor adapted to sense the current draw at the load. The first switching device is activated to connect the energy storage device to the load when a rate of change of the current draw at the load is below a threshold, and the second switching device is activated to connect the ultracapacitor to the load when the rate of change of the current draw at the load is greater than or equal to the threshold. | 09-20-2012 |
20120235642 | ENERGY SOURCE SYSTEMS HAVING DEVICES WITH DIFFERENTIAL STATES OF CHARGE - A system includes housing having a positive terminal and a negative terminal and one or more energy storage devices disposed therein. One system includes a first energy storage device that operates at a first state of charge level and a second energy storage device that operates at a second state of charge level. The second state of charge level is greater than the first state of charge level. | 09-20-2012 |
20120237799 | ENERGY SOURCE DEVICES AND SYSTEMS HAVING A BATTERY AND AN ULTRACAPACITOR - A battery system includes an enclosure conforming to a standard form factor, such as a group specified by the Battery Council International. A battery and at least one ultracapacitor are disposed in the enclosure and interconnected to provide electrical energy at battery terminals. Control and/or regulation circuitry may also be provided in the enclosure and interconnected with the battery and ultracapacitor. The battery system may be designed to retrofit existing batteries, such as in vehicular and other applications. The use of a standard form factor allows for little or no alteration of the physical and electrical systems into which the battery system is placed. | 09-20-2012 |
20130214790 | SYSTEM AND METHOD FOR DETECTING BATTERY FAILURE DURING A NON-OPERATING EVENT - A system is provided for monitoring an energy-storing apparatus during a non-operating event of a mechanism that draws energy from the energy-storing apparatus, which includes a plurality of energy-storing cells. The system includes a plurality of sensing units, each of which is coupled to a subset of the plurality of cells and is configured to monitor conditions of the corresponding subset of cells during the non-operating event. The system further includes a wireless communication unit and a power source. The wireless communication unit is coupled to each of the sensing units and configured to communicate a signal indicative of one of the monitored conditions of the corresponding subset of cells to a computing device. The power source provides energy to the sensing units and the wireless communication unit during the non-operating event. | 08-22-2013 |
20130337342 | Electrolyte Formulation for High Voltage and Wide Temperature Lithium-Ion Cells - An electrochemical cell provided with a positive electrode, a negative electrode, and an electrolyte. The positive electrode comprises a stabilized lithium metal oxide material, the lithium metal oxide material comprising one or more transition metal ions. The electrolyte is prepared by mixing ingredients comprising a solvent, a lithium salt, and a sultone. | 12-19-2013 |
20140072833 | CAPACITOR ELECTRODES FOR LEAD-ACID BATTERY WITH SURFACE-MODIFIED ADDITIVES - Electrodes, which may be composite capacitor electrodes, include carbon fibers, illustratively chopped carbon fibers having an aspect ratio of from about 100-5000, have been treated with a non-ionic surfactant, specifically the polyoxyethyleneglycol octophenyl ether, Triton X-100, to increase the hydrophilicity of the fibers. The capacitive electrodes prepared with the surface-modified carbon fibers exhibit increased charge acceptance. | 03-13-2014 |
20150050527 | DUAL STORAGE SYSTEM AND METHOD WITH LITHIUM ION AND LEAD ACID BATTERY CELLS - A battery system may include a plurality of battery cell assemblies electrically coupled in series. A first battery cell assembly of the plurality of battery cell assemblies includes a first lithium ion battery cell and a first lead acid battery cell electrically coupled in parallel with the first lithium ion battery cell such that the first lead acid battery cell is configured to resist overcharging and overdischarging of the first lithium ion battery cell. | 02-19-2015 |
Patent application number | Description | Published |
20140023917 | High Performance Lead Acid Battery with Advanced Electrolyte System - Herein provided is an electrochemical cell electrolyte formed from ingredients comprising: water, sulfuric acid, and at least one octylphenol ethoxylate of Formula 1: | 01-23-2014 |
20140183939 | Dual Function Battery System and Method - An energy storage system for supporting dual electrical functions of a vehicle includes an energy storage unit having a plurality of energy storage modules connected in series, a plurality of sensing units for sensing state of charges of the plurality of energy storage modules, and a pair of primary voltage terminals. The series connected plurality of energy storage modules is connectable across the pair of primary voltage terminals during a key-on state of the vehicle to supply energy storage power at a first voltage level to support primary electrical functions of the vehicle. The energy storage system is further configured to select a subset of the plurality of energy storage modules during a key-off state of the vehicle to connect across a pair of secondary voltage terminals using a switch network to supply energy storage power at a second voltage level. | 07-03-2014 |
20140186694 | CATHODE FORMED USING AQUEOUS SLURRY - In one embodiment, a positive electrode is formed by a process that includes forming a slurry including particles dispersed within a liquid from a electrode formulation and the liquid such that the particles have a particle size distribution D | 07-03-2014 |
20140186723 | SYSTEMS AND METHODS FOR WIDE TEMPERATURE OPERATION FOR LITHIUM-ION BATTERY CELLS - The present disclosure relates generally to the field of batteries and battery modules. More specifically, the present disclosure relates to battery cells that may be used in vehicular contexts, as well as other energy storage/expending applications. An electrolyte solution includes at least one ester solvent and a plurality of additives. In particular, the plurality of additives includes a cyclic carbonate-based additive, a sultone-based additive, and either a borate-based additive or an imide-based additive. The presently disclosed electrolyte solutions enable the manufacture of battery cells having a wide operating temperature range (e.g., between approximately −30° C. and approximately 60° C.). | 07-03-2014 |