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| 20110128546 | Variable Penetration Depth Biosensor - A surface plasmon resonance sensor system including a high refractive index prism, a sensor chip, a light source having multiple wavelengths over a broad range of wavelengths, optical lenses, a photodetector, a data acquisition unit, and as defined herein. The sensor chip can include, for example, a thin layer of silicon and gold on one face of a transparent substrate and the prism adjacent to the opposite face of the transparent substrate. Such an arrangement provides variable penetration depths up to about 1.5 micrometers with a dynamic range for sensing index of refraction changes in a sample that are several times greater than that of a conventional SPR sensor. The disclosure provides methods for using the surface plasmon resonance sensor system for cell assay or chemical assay related applications. | 06-02-2011 |
| 20110171746 | Variable Penetration Depth Biosensor Methods - A surface plasmon resonance sensor system including a high refractive index prism, a sensor chip, a light source having multiple wavelengths over a broad range of wavelengths, optical lenses, a photodetector, a data acquisition unit, and as defined herein. The sensor chip can include, for example, a thin layer of silicon and gold on one face of a transparent substrate and the prism adjacent to the opposite face of the transparent substrate. Such an arrangement provides variable penetration depths up to about 1.5 micrometers with a dynamic range for sensing index of refraction changes in a sample that are several times greater than that of a conventional SPR sensor. The disclosure provides methods for using the surface plasmon resonance sensor system for cell assay or chemical assay related applications. | 07-14-2011 |
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| 20090180964 | TRANSMUCOSAL DELIVERY OF OPTICAL, SPECT, MULTIMODAL,DRUG OR BIOLOGICAL CARGO LADEN NANOPARTICLE(S) IN SMALL ANIMALS OR HUMANS - A method is taught that provides for transmucosal delivery of a biological cargo and optical molecular imaging probes to a subject animal or human. At least one biological cargo-laden nanoparticle imaging probe is provided in a form that will be absorbed via mucosal tissue. The biological cargo-laden nanoparticle imaging probe is delivered to the mucosal tissue of the animal or human. The method further may include steps of providing a support member adapted to receive the subject in an immobilized state; positioning the subject on the support member; and after the delivering of the imaging probe, imaging the immobilized subject using a multimodal imaging system. | 07-16-2009 |
| 20090214419 | SELF-ASSEMBLED BIODEGRADABLE POLYMERSOMES - The invention concerns a block copolymer of polyethylene oxide and polycaprolactone, the polyethylene oxide having a number average molecular weight from about 2.0 to about 3.8 kD, the block copolymer having a fraction of polyethylene oxide of from about 11.8 to 18.8 percent by weight. The invention also concerns polymersomes made from such copolymers and to methods of making the polymersomes. | 08-27-2009 |
| 20090280064 | TRANSDERMAL DELIVERY OF OPTICAL, SPECT, MULTIMODAL, DRUG OR BIOLOGICAL CARGO LADEN NANOPARTICLE(S) IN SMALL ANIMALS OR HUMANS - A method and a device are disclosed for transdermal delivery to an animal or human of biological cargo-laden nanoparticles. The particles may include multimodal optical molecular imaging probes. The particles may be delivered by providing them in a form that can be absorbed through the skin and applying them to the skin of an animal or human. The application may be accomplished using biological cargo-laden nanoparticles in a device attachable to the skin. The device may be attached directly to the skin by a device containing a vasodilating agent or agents, or micro needles, or multi-layer time release material. The biological cargo-laden nanoparticles may comprise drugs, vaccines, bio-pharmaceuticals, imaging contrast agents, multimodal imaging contrast agents, biomolecules, or anti-infectives. The device may include a first plurality of different types of biological cargo-laden nanoparticles located in a corresponding second plurality of separate time release layers. | 11-12-2009 |
| 20100034748 | Molecular imaging probes based on loaded reactive nano-scale latex - The present invention relates to a loaded reactive nanoscale latex particle synthesized from mixture of monomers containing water insoluble monomers, at least two ethylenically functionalities monomers, halo-aromatic-polyethyleneglycol-methacrylate, polyethyleneglycolacrylate containing macromonomers, and up to 10 wt % other ethylenic monomers different from above monomers. The reactive halo-aromatic groups on the surface of latex particle are servable as linkers to react with peptides, antibodies, nucleic acids, ligands or other biomolecules. | 02-11-2010 |
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| 20100089117 | METHOD OF CALIBRATING A WAVELENGTH-MODULATION SPECTROSCOPY APPARATUS - Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions. | 04-15-2010 |
| 20100091278 | WAVELENGTH-MODULATION SPECTROSCOPY METHOD AND APPARATUS - In one embodiment of the spectroscopy method, the method comprises the steps of modulating the wavelength of a monochromatic radiation at a modulation amplitude and a modulation frequency; determining a first variable representative of an absorbance of an analyte in a sample; and demodulating by phase-sensitive detection the first variable at a harmonic of the modulation frequency to produce a harmonic spectrum of the analyte. In one embodiment of the spectroscopy apparatus, the apparatus comprises a laser diode integrated with a first photodetector configured to detect an intensity of a backward emission from the laser diode and act as a reference detector; a second photodetector configured to detect an intensity of laser radiation exiting a sample; and electronic circuitry coupled to the laser diode and the photodetectors, configured to acquire and process spectra of the sample. In another embodiment, the spectroscopy apparatus comprises a beam splitter configured to split the laser radiation into a first radiation portion and a second radiation portion and a first photodetector configured to detect the intensity of the first radiation portion. | 04-15-2010 |
| 20110138766 | SYSTEM AND METHOD OF IMPROVING EMISSION PERFORMANCE OF A GAS TURBINE - A method of improving emission performance of a gas turbine is provided. The method includes recirculating a portion of an exhaust gas stream to a compressor of the gas turbine via an exhaust gas recirculating system, to reduce concentration of oxygen in a high pressure feed oxidant stream into a combustor of the gas turbine. The method further includes adding diluent to at least one of a fuel stream directed to the combustor or a low pressure feed oxidant stream directed to the compressor, to reduce concentration of oxides of nitrogen (NOx) and increase concentration of carbon dioxide in a resultant exhaust gas stream. | 06-16-2011 |
| 20110181876 | METHOD OF CALIBRATING A WAVELENGTH-MODULATION SPECTROSCOPY APPARATUS - Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions. | 07-28-2011 |
| 20110181877 | METHOD OF CALIBRATING A WAVELENGTH-MODULATION SPECTROSCOPY APPARATUS - Several methods of calibrating a wavelength-modulation spectroscopy apparatus configured to measure a concentration of an analyte in a sample gas are disclosed. Each of the methods allows for calibration and recalibration using a relatively safe gas regardless of whether the sample gas for which the concentration of the analyte can be determined is a hazardous gas. In one embodiment of the invention, calibration that is sample-gas specific is, accomplished by determining a first slope coefficient and calibration function for the sample gas, after which a scaling factor can be determined based on the first slope coefficient and a second slope coefficient for the same or a different sample gas and used in a subsequent calibration (or recalibration) to scale the calibration function. In other embodiments of the invention, calibration that is not sample-gas specific is accomplished to allow for the determination of the analyte concentration in variable gas compositions and constant gas compositions. | 07-28-2011 |
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| 20110137950 | CONTEXTUAL SUPPORT FOR PUBLISH-SUBSCRIBE SYSTEMS - A method for providing contextual support for a publish-subscribe system includes the steps of receiving a user-defined objective of subscription relating to a topic provided from a subscriber to the publish-subscribe system, and determining one or more topics related to the subscriber provided objective of subscription. The method also includes the steps of filtering through a plurality of feeds related to the subscriber provided objective of subscription fed to the publish-subscribe system from one or more feed sources to provide a filtered list of feeds, aggregating through the filtered list of feeds to provide an aggregated list of feeds, and inferencing through the aggregated list of feeds to determine one or more of the plurality feeds that are relevant to the subscriber provided objective of subscription. | 06-09-2011 |
| 20110144902 | METHOD FOR PROVIDING INTERACTIVE SITE MAP - A system for providing navigation information to a user in a region, the system including: a plurality of navigation stations disposed throughout the region and coupled to a communications network, each station having a wireless interface configured to communicate interactively with a mobile device carried by the user; wherein the system is configured to receive a destination at a selected navigation station using the wireless interface, to provide directions from the selected navigation station to the destination using the mobile device, and to track movement of the user throughout the region using interaction between the mobile device and a navigation station in range of the mobile device or interaction between the user and one of the navigation stations selected by the user. | 06-16-2011 |
| 20110178832 | PREREQUISITE-DRIVEN MEETING SCHEDULING - A method, system and computer program product for prerequisite-driven meeting scheduling are provided. The method includes defining prerequisites to be met prior to confirming scheduling of a meeting, and defining a threshold to confirm scheduling of the meeting based on prerequisites completed. The method also includes tracking the prerequisites completed prior to the meeting, the tracking performed by tracking logic of a scheduling tool executing on a host system. The method further includes confirming that the meeting will be held as scheduled in response to determining that the prerequisites completed meet the threshold. The method additionally includes rescheduling the meeting in response to determining that the prerequisites completed are below the threshold, the rescheduling performed by the scheduling tool executing on the host system. | 07-21-2011 |
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| 20090039167 | Indicia reading terminal having spatial measurement functionality - There is provided in one embodiment an indicia reading terminal that can execute a spatial measurement mode of operation in which the indicia reading terminal can determine a dimension of an article in a field of view of the indicia reading terminal and/or determine other spatial information. In determining a dimension of an article, an indicia reading terminal can utilize setup data determined in a setup mode of operation and/or data determined utilizing the setup data. | 02-12-2009 |
| 20100225757 | SYSTEM AND METHOD FOR MEASURING IRREGULAR OBJECTS WITH A SINGLE CAMERA - An optical system for measuring an irregularly shaped object includes a dimensioning station having a base, a first wall extending from the base, and a second wall extending from the base. A collimated light is passed from each of first and second collimated light sources arranged generally parallel to the base, illuminating the first and second walls and defining first and second shadows, respectively. A camera is arranged to obtain image data representing each of the first and second shadows. The system is configured to collect the image data for determining at least one dimension of an object from each of the first and second shadows. Each of the first and second collimated light sources may be a light with a collimating lens arranged between the light and the respective wall. The light source may be an LED and the collimating lens may be a collimating Fresnel lens. | 09-09-2010 |
| 20110240740 | IMAGING TERMINAL, IMAGING SENSOR TO DETERMINE DOCUMENT ORIENTATION BASED ON BAR CODE ORIENTATION AND METHODS FOR OPERATING THE SAME - Embodiments of an image reader and/or methods of operating an image reader can capture an image, identify a bar code or IBI form within the captured image, and, store or display the captured image responsive to the an orientation of the bar code. | 10-06-2011 |
| 20110240741 | DOCUMENT DECODING SYSTEM AND METHOD FOR IMPROVED DECODING PERFORMANCE OF INDICIA READING TERMINAL - Embodiments of the present invention comprise an indicia reading terminal including operatively configured to interact with a storage module to store data, including location data, of a decodable indicia found in a captured document image. In one embodiment, the indicia reading terminal can be provided with one or more pre-stored information about the decodable indicia and/or the document. In another embodiment the indicia reading terminal can be provided with instructions and similarly operatively configured components that can identify information about the decodable indicia, store such information in a table, and utilize the tabulated data to process captured image data of subsequent documents. | 10-06-2011 |
| 20110240742 | SYSTEM OPERATIVE FOR PROCESSING FRAME HAVING REPRESENTATION OF SUBSTRATE - A system having an image sensor array can be provided for use in locating and decoding a bar code symbol represented within a frame of image data. An image sensor array can be incorporated in a terminal having a hand held housing. A terminal can be operative to capture a frame and locate a feature of a document represented within the frame, the document of a type having a bar code symbol at a predetermined location. The system can determine a location of a bar code symbol representation within an image representation. For determining a location of the bar code symbol representation in an image representation, the system can be operative to utilize pre-stored information respecting the document and the determined location of the document feature representation, the pre-stored information indicating a location of the bar code symbol in a document of the document type subject to image capture. | 10-06-2011 |
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| 20100062327 | NON-TOXIC ALKALINE ELECTROLYTE WITH ADDITIVES FOR RECHARGEABLE ZINC CELLS - An electrolyte composition for zinc-based electrochemical cells that contains KOH and potassium acetate (KAcet) and/or soluble salts of cesium. The electrolyte significantly eliminates shape change and dendrite growth while retaining high ionic conductivity. Anticorrosion compounds such as soluble indium compounds may be included alone or in combination with auxiliary anticorrosion compounds such as soluble tin compounds to improve charged stand and shelf life. Optionally, lithium hydroxide may be added to the electrolyte to facilitate charge acceptance of the positive electrode, particularly at cold temperatures. | 03-11-2010 |
| 20100062342 | POLYMER MEMBRANE UTILIZED AS A SEPARATOR IN RECHARGEABLE ZINC CELLS - A separator for zinc electrode-based cells that is effective in preventing dendrite growth in a zinc rechargeable cell is prepared as A standalone membrane, or as a composite membrane by impregnating the membrane into a nonwoven fabric. Interpenetrating polymer networks are employed by combining two different polymers. The two polymers penetrate each other on a molecular scale so that mechanical strength, water content and conductivity of the membranes can be effectively optimized. Since the water content of membrane can be optimized by introducing high water content polymers other than polyvinyl alcohol, wherein the diffusion of water from the separator membrane when the membrane contacts alkaline electrolyte solution can be largely reduced. Such membranes demonstrate excellent dendrite blocking capability in a practical zinc rechargeable cell. | 03-11-2010 |
| 20100062347 | RECHARGEABLE ZINC CELL WITH LONGITUDINALLY-FOLDED SEPARATOR - A rechargeable zinc cell with a longitudinally-folded separator comprising a zinc negative electrode, a positive electrode, an electrolyte and a separator. The separator comprises at least two wicking layers with a microporous layer in the center thereof, and the separator is folded longitudinally to wrap around a long edge of the zinc negative electrode. A method of constructing a rechargeable zinc cell with a longitudinally-folded separator comprising the steps of placing the zinc negative electrode in contact with at least one of the two wicking layers of the separator, folding the separator longitudinally around a long edge of the zinc negative electrode, placing the positive electrode on said separator and rolling the zinc negative electrode, the positive electrode and the separator into a jelly roll structure. | 03-11-2010 |
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| 20090191500 | Energy saving stove water heater - The energy saving stove water heater includes a heat collecting body, with a tubular shape, having a water chamber surrounding with a heat source of the cooking stove, a water pipeline operatively communicating with the water chamber, and a top opening aligning with the heat source. Therefore, when a cooking tool supports on the heat collecting body at the top opening thereof, the heat source of the cooking stove is arranged to generate relatively high heat energy thermally transferring not only towards the cooking tool at the top opening but also towards the water chamber to heat up the water therewithin. | 07-30-2009 |
| 20100227288 | Fuel energy saving food cooker and water heater arrangement - A fuel energy saving water heater includes a food cooking apparatus, a heat collecting tank, and a water guider. The heat collecting tank includes an outer tank body and an inner tank body spacedly supported within the outer tank body to define the water chamber between the outer tank body and the inner tank body. The water guider is thermally communicated with the heat chamber, having a water chamber, a water outlet communicating with the water chamber, and a water inlet for operatively connecting to a water source. When a water flow is guided to pass through the water chamber from the water inlet to the water outlet, the water flow is heated by the excessive heat therewithin at a predetermined water temperature. | 09-09-2010 |
| 20100236421 | Fuel saving food cooker and water heater arrangement - A fuel saving food cooker and water heater arrangement includes an inner tank body and an outer tank body to define a water chamber between the inner and outer tank bodies, a heat chamber within the inner tank body, a bottom heat inlet communicating with the heat chamber for operatively connecting to a steam outlet of a food cooking apparatus, and an upper heat outlet communicating with the heat chamber, wherein an excessive heat from the food cooking apparatus is guided to pass to the heat chamber through the heat inlet to heat up the water within the water chamber. | 09-23-2010 |
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| 20080285753 | System for passive scrambling and unscrambling of an optical signal - A system for passively scrambling and unscrambling a, pulse optical signal transmitted through a multi-mode optical fiber is provided. The system includes a scrambling unit connected between a signal receiving end of said transmission fiber and an optical signal source that includes an optical fiber which creates a differential delay between two groups of optical modes of the signal that is at least one bit period long such that said optical signal is passively scrambled, and an unscrambling unit connected to a signal transmitting end of said transmission fiber having an optical fiber that counteracts said differential delay between said two groups of optical modes of the signal such that said optical signal is passively unscrambled. The scrambling unit optical fiber has an alpha profile with a complementary perturbation that creates the differential delay between two groups of optical modes of the signal, and the unscrambling unit optical fiber has an alpha profile with reversal complementary perturbation that counteracts the differential delay between said two groups of optical modes of the signal. Alternatively, the scrambling and unscrambling units may have the combination of a mode splitter that splits the signal into two different groups of optical modes, and a pair of optical fibers that conduct the two groups of optical modes in parallel, the fibers being of different lengths to create or to counteract a differential delay in the two groups of modes. | 11-20-2008 |
| 20090003391 | Low-repetition-rate ring-cavity passively mode-locked fiber laser - A ring-cavity, passively mode locked fiber laser capable of producing short-pulse-width optical pulses at a relatively low repetition rate. The fiber laser uses a one-way ring-cavity geometry with a chirped fiber Bragg grating (CFBG) at its reflecting member. The CFBG is part of a dispersion compensator that includes an optical circulator that defines a one-way optical path through the ring cavity. A doped optical fiber section is arranged in the optical path and serves as the gain medium. A pump light source provides the pump light to excite the dopants and cause the gain medium to lase. A saturable absorber is operable to effectuate passive mode-locking of the multiple modes supported by the ring cavity. The ring cavity geometry allows to achieve mode locking with single pulse operation in a longer cavity length than conventional linear cavities. Furthermore, the longer cavity length reduces the constraints on the chirp rate of the CFBG. This, in turn, allows the CFBG to have a relatively high reflectivity, which provides the necessary dispersion compensation and cavity loss for generating short optical pulses at a low repetition rate. | 01-01-2009 |
| 20090323735 | Pulse stretching optical fiber and related systems and methods - An optical fiber for performing pulse stretching, and fiber laser systems and methods using the pulse-stretching fiber are disclosed. The pulse-stretching (PS) fiber has low fourth-order dispersion (dispersion curvature) and a third order dispersion (dispersion slope) with a small negative, nearly zero or small positive value. Two different types of fiber laser systems that use the PS fiber in a manner that achieves optimum performance are described. The PS fiber enables an all-fiber (up to the final pulse compressor) ultra-short pulsed laser systems reaching pulse energies exceeding 100 μJ, average powers exceeding 100 W, and output pulse widths of less than 100 fs. | 12-31-2009 |
| 20100040836 | METHOD FOR PROVIDING SUB-SURFACE MARKS IN POLYMERIC MATERIALS - Disclosed herein are methods for making high-contrast sub-surface marks in transparent polymeric materials using femtosecond, picosecond or nanosecond pulsed fiber lasers. Systems for making sub-surface marks and transparent materials bearing marks made by the methods are also disclosed. | 02-18-2010 |
| 20100272135 | Self-Seeded Wavelength Conversion - A method of operating a frequency-converted laser source is provided. According to the method, the gain section of a laser diode is driven such that the pulse repetition frequency ν | 10-28-2010 |
| 20110121202 | Optical Fiber Imaging System And Method For Generating Fluorescence Imaging - A nonlinear fluorescence imaging system and method for generating fluorescence imaging includes a pulsed laser source for generating laser pulses at a first wavelength and an optical pulse stretcher including one or more optical pulse stretcher fibers having a first dispersion parameter at the first wavelength. The system also includes a probe for interfacing with a sample to deliver the laser pulses and extract fluorescence signals excited in the sample. One or more optical delivery fibers are included for delivering the laser pulses and collecting nonlinear fluorescence signals. The optical delivery fiber has a second dispersion parameter at the first wavelength which is opposite a polarity of the first dispersion parameter. A detector detects images based on the collected fluorescence signals. | 05-26-2011 |
| 20110200802 | Laser Welding of Polymeric Materials - Disclosed herein are methods for laser welding together layers of transparent polymeric materials by first making high-contrast marks in transparent polymeric materials using femtosecond, picosecond or nanosecond pulsed fiber lasers and then creating localized welds at the areas of the high-contrast marks. Such welds can be formed in multiple layers of transparent polymeric materials. Systems for making welds and parts welded together according to the methods also disclosed. | 08-18-2011 |
| 20110286477 | Multiple Wavelength Optical Systems - Optical systems operable to emit multiple frequency-converted spectral peaks are provided. In one embodiment, an optical system includes an optical source and a wavelength conversion device. The optical source may include a laser configured to emit a pump beam having at least two fundamental spectral peaks. The wavelength conversion device may include a non-linear optical medium configured to phase match the second harmonic generation of each of the at least two fundamental spectral peaks and sum-frequency generation of the at least two fundamental spectral peaks such that an output beam comprising at least three frequency-converted spectral peaks having approximately equal power is emitted from an output facet of the wavelength conversion device when the pump beam of the optical source is incident on an input facet of the wavelength conversion device. | 11-24-2011 |
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| 20110040601 | METHOD AND APPARATUS FOR CUSTOMER SEGMENTATION USING ADAPTIVE SPECTRAL CLUSTERING - A method and system for customer segmentation using adaptive spectral clustering may include determining initial segmentation labels, determining new customer behavior data, formulating a single objective minimization function that integrates the initial segmentation labels with the new customer behavior data, and determining best fit to both the initial segmentation labels and the new customer behavior data simultaneously by minimizing the single objective minimization function. | 02-17-2011 |
| 20110137710 | METHOD AND APPARATUS FOR OUTLET LOCATION SELECTION USING THE MARKET REGION PARTITION AND MARGINAL INCREMENT ASSIGNMENT ALGORITHM - A system and method of determining at least one location for a retail outlet in a region are described. The system and method use clustering technology for partitioning the region into a fixed number of sub-regions. Then, the system and method compute marginal increments from input data for each sub-region. The system and method choose a sub-region having a maximal marginal increment for a location of a first retail outlet. | 06-09-2011 |
| 20110145237 | METHOD AND SYSTEM FOR MERCHANDISE HIERARCHY REFINEMENT BY INCORPORATION OF PRODUCT CORRELATION - System, method and computer program product for adjusting a representation of a merchandise hierarchy associated with an entity such as a retailer or wholesaler of products. Product correlation information discovered in that entity's customers' shopping records are obtained and incorporated into an existing merchandise hierarchy with a constraint on the consistency with the existing hierarchy. | 06-16-2011 |
| 20110188404 | METHOD AND APPARATUS FOR OPTIMAL SERVICE CHANNEL RECONFIGURATION BASED ON MULTI-AGENT SIMULATION - A method, and system employing the method, for service channel reconfiguration at a service outlet includes generating service transaction data of a service outlet, generating queue management system (QMS) data of the service outlet, and generating cost and profit data for the service outlet. Data is extracted from the service transaction data and the QMS data relating to specified parameters including customer experience data, and customer demand data. The service transaction data and the QMS data is integrated with the cost and profit data providing a unified objective function. Stochastic service processes and customer behavior data are modeled. The unified objective function is evaluated using the stochastic service processes and customer behavior data model, and the service channel function of the service outlet is reconfigured using the unified objective function. | 08-04-2011 |
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| 20090033419 | CLASS D AMPLIFIER WITH INCREASED EFFICIENCY - The present invention is a method of operating a speaker by converting an audio signal to a pulse-width modulated signal that has a plurality of positive pulses and a plurality of negative pulses as a function of the audio signal, then driving an H-bridge circuit interconnected to a speaker, wherein the H-bridge circuit comprises an A-side and a B-side, wherein the A-side comprises a first switching transistor and a second switching transistor, and wherein the B-side comprises a first switching transistor and a second switching transistor. For each positive pulse, the A-side of the H-bridge circuit is driven by pushing the first switching transistor of the A-side while grounding the second switching transistor of the A-side. For each negative pulse, the B-side of the H-bridge circuit is driven by pushing the first switching transistor of the B-side while grounding the second switching transistor of the B-side. | 02-05-2009 |
| 20090036076 | SECURITY SYSTEM WITH DYNAMIC RANGE ENHANCEMENT FOR FM DEMODULATION - A system and method for communicating between a base and a remote device in a security system. The base receives an audio signal from a telephone network via a panel and then frequency modulates the audio signal at a carrier frequency to generate an FM signal. The remote device receives the FM signal from the base, determines a phase error signal representing the phase error between the received FM signal and an output signal of a voltage controlled oscillator, determines a difference between the carrier frequency and a center frequency of the voltage controlled oscillator, and, if there is a difference, then changes the center frequency of the voltage controlled oscillator to match the carrier frequency of the FM signal. | 02-05-2009 |
| 20090080224 | AC TO DC CONVERSION CIRCUIT - A half-wave rectifier including an input port for receiving an incoming AC signal, an output port for outputting a half-wave rectified signal, an operational amplifier including inverting and non-inverting input terminals and an output terminal, the inverting input terminal connected to a ground reference and a non-inverting input terminal coupled to a negative feedback loop and a first resistor. The negative feedback loop including a second resistor coupled between a first node and a second node, the first node coupling the output terminal and the output port and the second node coupling the non-inverting input terminal and the second resistor. A capacitor is coupled to the input port and in series with the first resistor. | 03-26-2009 |
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| 20100006841 | DUAL METAL GATE TRANSISTOR WITH RESISTOR HAVING DIELECTRIC LAYER BETWEEN METAL AND POLYSILICON - Structures are presented including a high-k and metal gate transistor and a resistor where the resistor includes a dielectric layer between a metal and a polysilicon. The resistor provides typical polysilicon resistor performance with less cost and higher throughput. | 01-14-2010 |
| 20100013021 | METHOD TO REDUCE THRESHOLD VOLTAGE (Vt) IN SILICON GERMANIUM (SIGE), HIGH-K DIELECTRIC-METAL GATE, P-TYPE METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTORS - Disclosed are embodiments of a p-type, silicon germanium (SiGe), high-k dielectric-metal gate, metal oxide semiconductor field effect transistor (PFET) having an optimal threshold voltage (Vt), a complementary metal oxide semiconductor (CMOS) device that includes the PFET and methods of forming both the PFET alone and the CMOS device. The embodiments incorporate negatively charged ions (e.g., fluorine (F), chlorine (Cl), bromine (Br), iodine (I), etc.) into the high-k gate dielectric material of the PFET only so as to selectively adjust the negative Vt of the PFET (i.e., so as to reduce the negative Vt of the PFET). | 01-21-2010 |
| 20100078687 | Method for Transistor Fabrication with Optimized Performance - A semiconductor process and apparatus includes forming <100> channel orientation CMOS transistors ( | 04-01-2010 |
| 20100289088 | THRESHOLD VOLTAGE IMPROVEMENT EMPLOYING FLUORINE IMPLANTATION AND ADJUSTMENT OXIDE LAYER - An epitaxial semiconductor layer may be formed in a first area reserved for p-type field effect transistors. An ion implantation mask layer is formed and patterned to provide an opening in the first area, while blocking at least a second area reserved for n-type field effect transistors. Fluorine is implanted into the opening to form an epitaxial fluorine-doped semiconductor layer and an underlying fluorine-doped semiconductor layer in the first area. A composite gate stack including a high-k gate dielectric layer and an adjustment oxide layer is formed in the first and second area. P-type and n-type field effect transistors (FET's) are formed in the first and second areas, respectively. The epitaxial fluorine-doped semiconductor layer and the underlying fluorine-doped semiconductor layer compensate for the reduction of the decrease in the threshold voltage in the p-FET by the adjustment oxide portion directly above. | 11-18-2010 |
| 20120007145 | ASYMMETRIC CHANNEL MOSFET - A field effect transistor includes a partial SiGe channel, i.e., a channel including a SiGe channel portion, located underneath a gate electrode and a Si channel portion located underneath an edge of the gate electrode near the drain region. The SiGe channel portion can be located directly underneath a gate dielectric, or can be located underneath a Si channel layer located directly underneath a gate dielectric. The Si channel portion is located at the same depth as the SiGe channel portion, and contacts the drain region of the transistor. By providing a Si channel portion near the drain region, the GIDL current of the transistor is maintained at a level on par with the GIDL current of a transistor having a silicon channel only during an off state. | 01-12-2012 |
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| 20110269957 | SYNTHESIS OF INHIBITORS OF 11BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 - Disclosed are syntheses of 11β-HSD1 inhibitors and corresponding intermediates that are promising for the treatment of a variety of disease states including diabetes, metabolic syndrome, obesity, glucose intolerance, insulin resistance, hyperglycemia, hypertension, hypertension-related cardiovascular disorders, hyperlipidemia, deleterious gluco-corticoid effects on neuronal function (e.g. cognitive impairment, dementia, and/or depression), elevated intra-ocular pressure, various forms of bone disease (e.g., osteoporosis), tuberculosis, leprosy (Hansen's disease), psoriasis, and impaired wound healing (e.g., in patients that exhibit impaired glucose tolerance and/or type 2 diabetes). | 11-03-2011 |
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| 20080213298 | Herbal Therapy for the Treatment of Asthma - The present invention provides herbal formulas, and compositions thereof, that can treat or reduce the severity, intensity, or duration of asthma and asthma-related symptoms. The compositions may optionally include one or more adjuvants, cytokines, encapsulating materials, or pharmaceutically acceptable carriers or excipients, and may be administered prior to, during, or after the development of asthmatic symptoms in a patient in need thereof. | 09-04-2008 |
| 20080317878 | Herbal Therapy for the Treatment of Food Allergy - The present invention provides herbal formulas, and compositions thereof, that can treat or reduce the severity, intensity, or duration of food allergy and food allergyrelated symptoms. The compositions may optionally include one or more adjuvants, cytokines, encapsulating materials, or pharmaceutically acceptable carriers or excipients, and may be administered prior to, during, or after the development of food allergy-related symptoms in a patient in need thereof. | 12-25-2008 |
| Patent application number | Description | Published |
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| 20090047787 | Slurry containing multi-oxidizer and nano-abrasives for tungsten CMP - A chemical mechanical polishing slurry containing multiple oxidizers and nano abrasive particles (including engineered nano diamond particles) suitable for polishing multilayer substrate with tungsten and Ti/TiN barrier layers. The slurry contains no metallic catalyst and has low total abrasive particle content. The absence of metal ions can be advantageous for certain applications as certain metal ions may present contamination issues. A low total abrasive content may also lower the total defect counts, reduce the slurry waste treatment burden, and simplify the post CMP clean process. | 02-19-2009 |
| 20090321390 | CHEMICAL MECHANICAL POLISHING OF MOISTURE SENSITIVE SURFACES AND COMPOSITIONS THEREOF - The present invention relates to compositions for chemical mechanical polishing (CMP—also referred to as chemical mechanical planarization) for fabrication of an advanced optical, photonic, or microelectronic device, wherein the composition is a microemulsion. | 12-31-2009 |
| 20100059390 | METHOD AND APARATUS FOR ELECTROCHEMICAL MECHANICAL POLISHING NiP SUBSTRATES - The present invention relates to an apparatus and a method of electrochemical mechanical polishing (ECMP) for microelectronics applications. The apparatus and method of electrochemical mechanical polishing can be used planarize NiP substrate for a magnetic storage medium and for a process which allows polishing with a controlled surface finish, and a set of corresponding polishing electrolytes and slurry. | 03-11-2010 |
| 20110186542 | SLURRY CONTAINING MULTI-OXIDIZER AND MIXED NANO-ABRASIVES FOR TUNGSTEN CMP - A chemical mechanical polishing slurry containing multiple oxidizers and nano abrasive particles (including engineered nano diamond particles) suitable for polishing multilayer substrate with tungsten and Ti/TiN barrier layers. The slurry contains no metallic catalyst and has low total abrasive particle content. The absence of metal ions can be advantageous for certain applications as certain metal ions may present contamination issues. A low total abrasive content may also lower the total defect counts, reduce the slurry waste treatment burden, and simplify the post CMP clean process. | 08-04-2011 |
