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Energy Based Split Vector Quantizer Employing Signal Representation In Multiple Transform Domains., Wasfy Mikhael, Venkatesh Krishnan
Energy Based Split Vector Quantizer Employing Signal Representation In Multiple Transform Domains., Wasfy Mikhael, Venkatesh Krishnan
UCF Patents
This invention relates to representation of one and multidimensional signal vectors in nonorgothonal domains and design of Vector Quantizers that can be chosen among these representations. There is presented a Vector Quantization technique in multiple nonorthogonal domains for both waveform and model based signal characterization. An iterative codebook accuracy enhancement algorithm, applicable to both waveform and model based Vector Quantization in multiple nonorthogonal domains, which yields further improvement in signal coding performance, is disclosed. Further, Vector Quantization in in nonorthogonal domains is applied to speech and exhibits clear performance improvements of reconstruction quality for the same bit rate compared to …
Polarimetry Of Three-Dimensional Optical Fields., Aristide Dogariu, Jeremy Ellis
Polarimetry Of Three-Dimensional Optical Fields., Aristide Dogariu, Jeremy Ellis
UCF Patents
The apparatus, system and method of the present invention provide a three-dimensional polarimeter probe having a coupler for coupling three components of an electromagnetic field that fluctuates in three-dimensions and an emitter for re-emitting a radiation corresponding to said three components. The radiation includes a polarized and an unpolarized component of said electromagnetic field and is used to determine the elements of a field-field correlation martix. In an embodiment, the system includes a detector located a distance from said probe for sensing said re-emitted radiation from said probe and a processor for determining a polarized and an unpolarized component of …
Interferometric Sensor For Characterizing Material, Aristide Dogariu
Interferometric Sensor For Characterizing Material, Aristide Dogariu
UCF Patents
An integrated optical sensor, using low coherence interferometry, is capable of determining analyte concentration in a material sample based on absorption, scattering and polarization. The sensor includes one or more light collectors, with each collector having a separation distance from the region where the sample is illuminated by the source. The light backscattered from the sample is combined with reference arm light at the same optical path length for each light collector. The intensity of interference may be correlated with the concentration of an analyte in the material, for example the glucose concentration in a turbid medium like skin. The …
Efficient Image Reconstruction Algorithm For The Circle And Arc Cone Beam Computer Tomography, Alexander Katsevich
Efficient Image Reconstruction Algorithm For The Circle And Arc Cone Beam Computer Tomography, Alexander Katsevich
UCF Patents
Methods, systems and processes for providing efficient, accurate and exact image reconstruction using portable and easy to use C-arm scanning devices and rotating gantries, and the like, that combines both a circle and a curve scan. The invention can provide exact convolution-based filtered back projection (FBP) image reconstruction by combining two curved scans of the object. The curved scan can be less than or greater than a full circle about an object being scanned. The invention can be done by a first curve within a first plane followed by a second curve within a second plane that is transversal to …
Fast Response Liquid Crystal Mode, Shin-Tson Wu, Wing Choi
Fast Response Liquid Crystal Mode, Shin-Tson Wu, Wing Choi
UCF Patents
A novel nematic liquid crystal (LC) mode is based on the Fringing-Field-Switching of Vertically-Aligned liquid crystals. The VA-FFS mode is capable of generating very fast optical modulation without the use of very thin cell gap. IA major feature of this LC mode is that it has unusual fast relaxation time compared with the conventional nematic LC modes that require a thin cell gap. This fast relaxation occurs even at very low applied voltages and the operation is very stable. The fast-response mechanism of this LC mode involves the confinement of liquid crystal molecular switching within self-imposed thin LC layers. The …
High Efficiency Air Conditioner Condenser Twisted Fan Blades And Hub, Danny Parker, Bart Hibbs, John Sherwin
High Efficiency Air Conditioner Condenser Twisted Fan Blades And Hub, Danny Parker, Bart Hibbs, John Sherwin
UCF Patents
The ornamental design for a high efficiency air conditioner condenser twisted fan blades and hub, as shown and described.
Flower Shaped Vertical Alignment Liquid Crystal Display With Wide Viewing Angle And Fast Response Time, Shin-Tson Wu, Qi Hong, Ruibo Lu, Xinzhang Wu
Flower Shaped Vertical Alignment Liquid Crystal Display With Wide Viewing Angle And Fast Response Time, Shin-Tson Wu, Qi Hong, Ruibo Lu, Xinzhang Wu
UCF Patents
A novel vertical alignment liquid crystal display with a structure having a flower-shaped vertical alignment (FVA) has the properties of fast response, high contrast ratio and a wide view angle. The method for making the device and structure of the FVA comprises the arrangement of: a first substrate with a protrusion shaped electrode as the pixel electrode; and a second substrate as the common electrode; aligning layers formed on said first and second substrates providing liquid crystal vertical alignment; liquid crystal materials filling a space between said first and second substrates as a liquid crystal cell; a linear polarizer and …
Tobacco Chloroplast Transformation Vectors Comprising A Multi-Gene Operon Encoding A Biopharmaceutical Protein And A Chaperonin (Us), Henry Daniell, William Moar
Tobacco Chloroplast Transformation Vectors Comprising A Multi-Gene Operon Encoding A Biopharmaceutical Protein And A Chaperonin (Us), Henry Daniell, William Moar
UCF Patents
The subject invention relates in part to tobacco chloroplast transformation vectors comprising a multi-gene operon that generates a polycistron that encodes a biopharmaceutical protein and a chaperonin.
Photosensitive Polymeric Material For Worm Optical Data Storage With Two Photon Fluorescent Readout. Div, Kevin Belfield
Photosensitive Polymeric Material For Worm Optical Data Storage With Two Photon Fluorescent Readout. Div, Kevin Belfield
UCF Patents
Image formation via photoinduced fluorescence changes in a polymeric medium with two-photon fluorescence readout of a multi-layer structure. Fluorophore-containing polymers, possessing one or more basic functional groups, underwent protonation in the presence of a photoinduced acid generator upon exposure to a broad-band UV light source or fast-pulsed red to near-IR laser irradiation. Solution studies demonstrated formation of monoprotonated and diprotonated species upon irradiation, each resulting in distinctly different absorption and fluorescence properties. The fluorescence of the original, neutral, fluorophore was reduced upon monoprotonation, leading to a concomitant increase in fluorescence at longer wavelengths due to the monoprotonated form, the basis …
Method And Compound For Inhibition Of Cell Death, Antonis Zervos
Method And Compound For Inhibition Of Cell Death, Antonis Zervos
UCF Patents
This invention relates to a chemical compound that inhibits the apoptotic activity of the protease Omi/HtrA2 and homologous proteins. This protease Omi/HtrA2 is present in all mammalian cells so that inhibition of apoptosis in this fashion results enhanced cellular health and therapeutic effects.
Synthesis Of Tetragonal Phase Stabilized Nano And Submicron Sized Nanoparticles., Sudipta Seal, Satyajit Shukla
Synthesis Of Tetragonal Phase Stabilized Nano And Submicron Sized Nanoparticles., Sudipta Seal, Satyajit Shukla
UCF Patents
Novel, monodispersed, spherical ZrO.sub.2 particles in the size range of approximately 10 to approximately 600 nm exhibiting metastable tetragonal crystal structure at room temperature and novel methods of preparation. The ZrO.sub.2 particles are approximately 100% in the tetragonal phase at room temperature and can be pure and free of foreign oxides. The novel method can include mixing zirconium-alkoxide and an alcohol, forming preparation one, followed by separately dissolving completely de-ionized water and a polymeric steric stabilizer in an alcohol forming preparation two. Next the preparations can be mixed with vigorous stirring while subjecting the materials to hydrolysis and condensation reactions …
Catalytic Dehydrogenation Of Amine Borane Complexes, Ali Raissi, Nahid Mohajeri
Catalytic Dehydrogenation Of Amine Borane Complexes, Ali Raissi, Nahid Mohajeri
UCF Patents
A method of generating hydrogen includes the steps of providing an amine borane (AB) complex, at least one hydrogen generation catalyst, and a solvent, and mixing these components. Hydrogen is generated. The hydrogen produced is high purity hydrogen suitable for PEM fuel cells. A hydrolytic in-situ hydrogen generator includes a first compartment that contains an amine borane (AB) complex, a second container including at least one hydrogen generation catalyst, wherein the first or second compartment includes water or other hydroxyl group containing solvent. A connecting network permits mixing contents in the first compartment with contents in the second compartment, wherein …
Electrostatic Discharge Protection Device For Digital Circuits And For Applications With Input/Output Bipolar Voltage Much Higher Than The Core Circuit Power Supply, Juin Liou, Joseph Bernier, Javier Salcedo, Donald Whitney
Electrostatic Discharge Protection Device For Digital Circuits And For Applications With Input/Output Bipolar Voltage Much Higher Than The Core Circuit Power Supply, Juin Liou, Joseph Bernier, Javier Salcedo, Donald Whitney
UCF Patents
An electrostatic discharge (ESD) device and method is provided. The ESD device can comprise a substrate doped to a first conductivity type, an epitaxial region doped to the second conductivity type, and a first well doped to the first conductivity type disposed in the substrate. The first well can comprise a first region doped to the first conductivity type, a second region doped to a second conductivity type, and a first isolation region disposed between the first region and the second region. The ESD device can also comprise a second well doped to a second conductivity type disposed in the …
Reactive Probes For Two Photon Fluorescent Imaging And Sensing., Kevin Belfield, Katherine Schafer
Reactive Probes For Two Photon Fluorescent Imaging And Sensing., Kevin Belfield, Katherine Schafer
UCF Patents
Two-photon flourescence imaging is fast becoming the premier technique for nondestructive, 3-D imaging in the biological and biomedical research fields, both in living and nonliving systems. This technology currently used in two-photon flourescene imaging emanates from conventional flourescence microscopy.
Exact Filtered Back Projection (Fbp) Algorithm For Spiral Computer Tomography With Variable Pitch [Us], Alexander Katsevich
Exact Filtered Back Projection (Fbp) Algorithm For Spiral Computer Tomography With Variable Pitch [Us], Alexander Katsevich
UCF Patents
Reconstructing images of objects spirally scanned with two-dimensional detectors with a novel algorithm under a variable pitch (nonconstant speed), where the object is not restricted to moving at a constant velocity. The object can move at variable speeds(increasing, decreasing, combinations thereof) during the scan of the object. The image reconstruction process is proven to create an exact image of the object under the ideal circumstances. The algorithm can have a convolution-based FBP (Filtered Back Projection) structure and works very efficiently. The algorithm uses less computer power and combines the benefits of Exact Algorithms and Approximate algorithms. An object can be …
Age Determination From Biological Stains Using Messenger Rns Profiling Analysis, John Ballantyne
Age Determination From Biological Stains Using Messenger Rns Profiling Analysis, John Ballantyne
UCF Patents
In the present work, we report the development of two reverse transcription-quantitative polymerase chain reacton (RT-qPCR) assays for the definitve identification of newborn individuals. The methodology is based upon gene expresiion profiling analysis in which specific age groups are identified by detecting the relative quantity of expression of appropriate mRNA species. RNA is isolated from dried bloodstains is analyzed using the two duplex real-time PCR reactions for two variant novel forms of newborn specific gamma hemoglobin.
Optical Interconnect Platform Including Bragg Diffractive Grating In A Bulk Material., Alexei Glebov, Leonid Glebov, Vadim Smirnov, Kishio Yokouchi
Optical Interconnect Platform Including Bragg Diffractive Grating In A Bulk Material., Alexei Glebov, Leonid Glebov, Vadim Smirnov, Kishio Yokouchi
UCF Patents
The present invention provides an optical interconnection platform, comprising a substrate, a plurality of integrated circuits attached to a surface of the substrate wherein each integrated circuit having an array of transmitters and an array of receivers, an optical integrated circuit module attached to an opposing surface of the substrate wherein the optical integrated circuit module comprising a highly transparent photosensitive material having an input microlens that collimate the light beams before entering the optical integrated circuit module and an output microlens that focuses the light beams into the array of receivers, and input and output Bragg diffractive gratings that …
General Film Compensated Reflective Twisted Nematic Liquid Crystal Display, Shin-Tson Wu, Xinyu Zhu
General Film Compensated Reflective Twisted Nematic Liquid Crystal Display, Shin-Tson Wu, Xinyu Zhu
UCF Patents
A general film compensated reflective twisted nematic liquid crystal display, device, system and method with phase compensation film set to compensate the residual phase retardation of the liquid crystal in the voltage-on state to increase the contrast ratio at a lower operating voltage and decrease the color dispersion when used in reflective and transflective liquid crystal displays. The phase compensation film set is selected based on the twist angle and the residual retardation of the liquid crystal layer, wherein the compensation film set has an effective film phase retardation value and effective polarizer angle to cancel the total residual phase …
Messenger Rna Profiling: Body Fluid Id Using Multiplex Reverse Transcription-Polymerase Chain Reaction (Rt-Pcr), John Ballantyne, Jane Juusola
Messenger Rna Profiling: Body Fluid Id Using Multiplex Reverse Transcription-Polymerase Chain Reaction (Rt-Pcr), John Ballantyne, Jane Juusola
UCF Patents
In the present work, we report the development of a multiplex reverse transcription-polymerase chain reaction/ capillary electrophoresis (RT-PCR/CE) assay for the definitive identification of the four body fluids that are most commonly encountered in forensic casework analysis, namely blood, saliva, semen, and vaginal secretions.
Removal Of Pcb And Other Halogenated Organic Contaminants Found In Ex-Situ Structures, Christian Clausen, Cristina Berger, Christina Coon, Laura Filipek, Kristen Milum, Jacqueline Quinn, Cherie Geiger
Removal Of Pcb And Other Halogenated Organic Contaminants Found In Ex-Situ Structures, Christian Clausen, Cristina Berger, Christina Coon, Laura Filipek, Kristen Milum, Jacqueline Quinn, Cherie Geiger
UCF Patents
Emulsified systems of a surfactant-stabilized, biodegradable water-in-solvent emulsion with bimetallic particles contained with the emulsion droplets are useful at removing PCBs from ex situ structures. The hydrophobic emulsion system draws PCBs through the solvent/surfactant membrane. Once inside the membrane, the PCBs diffuse into the bimetallic particles and undergo degradation. The PCBs continue to enter, diffuse, degrade, and biphenyl will exit the particle maintaining a concentration gradient across the membrane and maintaining a driving force of the reaction.
Process For Fabricating Semiconductor Component, Aravinda Kar, Nathaniel Quick, Islam Salama
Process For Fabricating Semiconductor Component, Aravinda Kar, Nathaniel Quick, Islam Salama
UCF Patents
A process is disclosed for in-situ fabricating a semiconductor component imbedded in a substrate. A substrate is ablated with a first laser beam to form a void therein. A first conductive element is formed in the void of the substrate with a second laser beam. A semiconductor material is deposited upon the first conductive element with a third laser beam operating in the presence of a depositing atmosphere. A second conductive element is formed on the first semiconductor material with a fourth laser beam. The process may be used for fabricating a Schottky barrier diode or a junction field effect …
Reactive Probes For Two Photon Fluorescent Imaging And Sensing., Kevin Belfield, Katherine Schafer
Reactive Probes For Two Photon Fluorescent Imaging And Sensing., Kevin Belfield, Katherine Schafer
UCF Patents
Two-photon flourescence imaging is fast becoming the premier technique for nondestructive, 3-D imaging in the biological and biomedical research fields, both in living and nonliving systems. This technology currently used in two-photon flourescene imaging emanates from conventional flourescence microscopy.
High Efficiency Air Conditioner Condenser Fan With Performance Enhancements, Danny Parker, John Sherwin
High Efficiency Air Conditioner Condenser Fan With Performance Enhancements, Danny Parker, John Sherwin
UCF Patents
Twisted blades for outdoor air conditioner condensers and heat pumps that improve airflow efficiency to minimize operating power requirements. The blades can run at approximately 850 rpm to produce approximately 1930 cfm of air flow using approximately 110 Watts of power from an 8-pole motor with an improved diffuser assembly. Using an OEM 6-pole 1/8 hp motor produced approximately 2610 cfm with approximately 145 Watts of power while running the blades at approximately 1100 rpm. Power savings were approximately 24% (40 to 50 Watts) over the conventional configuration with increased air flow. Embodiments of two, three, four and five blades …
Active Transient Voltage Compensator For Fast Transient Response Improvement, Issa Batarseh, Shamala Chickamenahalli, Edward Stanford, Xiangcheng Wang
Active Transient Voltage Compensator For Fast Transient Response Improvement, Issa Batarseh, Shamala Chickamenahalli, Edward Stanford, Xiangcheng Wang
UCF Patents
A direct current to direct current (DC-to-DC) converter having an active transient voltage compensator (ATVC) coupled with the DC-to-DC converter output terminal to improve a fast transient response of the DC-to-DC converter. The active transient voltage compensator compensates the DC output only during transient operation. The ATVC includes a transformer for reducing the ATVC current stresses to improve the compensator efficiency and injecting, absorbing high slew rate current, and a controller circuit for controlling ATVC operation in steady state and normal operation in transients. During step-up load the ATVC operates as a buck converter and during step-down load, the ATVC …
Methods And Systems For Dynamic Pitch Helical Scanning, Alexander Katsevich, Samit Basu, Jiang Hsieh
Methods And Systems For Dynamic Pitch Helical Scanning, Alexander Katsevich, Samit Basu, Jiang Hsieh
UCF Patents
Methods and systems for controlling x-ray exposure during a dynamic pitch helical scan using a translatable table are provided. The system includes a collimator positioned between an x-ray source and an object to be scanned configured to shutter an x-ray fan beam generated by the x-ray source to at least one of translate the x-ray fan beam along a z-axis of the scan and vary the width of the x-ray beam along the z-axis, and a collimator controller configured to dynamically position the collimator using at least one of predetermined trajectory of the translatable table and a current position of …
Method Of Drawing A Composite Wire., Aravinda Kar, Yonggang Li, Raymond Mcneice, Nat Quick
Method Of Drawing A Composite Wire., Aravinda Kar, Yonggang Li, Raymond Mcneice, Nat Quick
UCF Patents
An apparatus and method is disclosed for drawing continuous metallic wire having a first diameter to a metallic fiber having a reduced second diameter. A feed mechanism moves the wire at a first linear velocity. A laser beam heats a region of the wire to an elevated temperature. A draw mechanism draws the heated wire at a second and greater linear velocity for providing a drawn metallic fiber having the reduced second diameter.
Transflective Lcd Using Multilayer Dielectric Film Transflector, Shin-Tson Wu, Zhibing Ge, Qiong-Hua Wang, Xinzhang Wu, Xinyu Zhu
Transflective Lcd Using Multilayer Dielectric Film Transflector, Shin-Tson Wu, Zhibing Ge, Qiong-Hua Wang, Xinzhang Wu, Xinyu Zhu
UCF Patents
A novel transflective liquid crystal display (LCD) is provided with a multilayer dielectric film transflector. The dielectric transflector is composed of alternating high and low refractive index dielectric material layers deposited directly on the inner side of the LCD substrate to avoid parallax. The transmittance of the dielectric transflector can vary from approximately 5% to approximately 95% by simply adjusting the individual dielectric layer thickness and the arrangement of layers. The thickness of the 10-layer film is approximately 700 nm, which does not affect the voltage drop on the LC. Two structures of the dielectric film using different positions of …
All Optical Regeneration, Guifang Li, Yuhua Li
All Optical Regeneration, Guifang Li, Yuhua Li
UCF Patents
All optical regeneration methods and systems can be realized through an exponential amplifier and a limiting amplifier, which could be two independent devices (one piece of fiber with parametric amplification and a semiconductor optical amplifier operating at saturation state) or one single device (one piece of fiber). The signal quality and the extinction ratio after regeneration are significantly improved compared with the degraded incoming data using a parametric amplifier with the data signal to be regenerated as the pump. The regenerated data has an extinction ratio as high as 14 dB, an extinction ratio enhancement of approximately 5 dB and …
Uv Photochemical Option For Closed Cycle Decomposition Of Hydrogen Sulfide, Cunping Huang, Clovis Linkous
Uv Photochemical Option For Closed Cycle Decomposition Of Hydrogen Sulfide, Cunping Huang, Clovis Linkous
UCF Patents
Methods and systems for separating hydrogen and sulfur from hydrogen sulfide(H.sub.2S) gas. Hydrogen sulfide(H.sub.2S) gas is passed into a scrubber and filtration unit with polysulfide solution. Interaction frees elemental sulfur which is filtered, excess continues to a stripper unit where the excess H.sub.2S is removed. The excess H.sub.2S returns to the scrubber and filtration unit, while the sulfide solution passes into a photoreactor containing a photocatalyst and a light source. The sulfide solution is oxidatively converted to elemental sulfur and complexed with excess sulfide ion to make polysulfide ion, while water is reduced to hydrogen. Hydrogen is released, while the …
Moisture Barrier Cone, John Holmquist, Par Axelsson, Alejandro Mancuso, Par Ostberg
Moisture Barrier Cone, John Holmquist, Par Axelsson, Alejandro Mancuso, Par Ostberg
UCF Patents
Closed air space devices and methods of use for all body bio hazard type suits that eliminates condensation and fogging from forming on the face masks and the window visors of the suit. The devices and methods have a sealed closed air space that can be formed from flexible see-through plastic in a cone shape that can be sealed between the mask and the visor. The closed air space can be presealed to the visor/outer wall of the suit and have a second end fitted with an elastic type band that allows the wearer to attache and detach the closed …