Engineering & Physical Sciences

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Figure 1. Schematic view of the imaging operational concept.

Cost-Effective Imaging System Uses RF Magnetic Field and Loop Bolometer Array to Produce MRI-Quality Images

33853 – New System Can Generate Detailed Images of Internal Body Structures and Identify Defects Embedded in Electronic Circuits UCF researchers have designed a new imaging system that captures detailed, 3D views of an object’s internal structures and is more affordable, compact and transportable than other systems. The invention is safe to use for both medical and scientific applications, since... Read More

Figure 1. Illustration of the new vehicle detection system with RFB technology alerting a wrong-way driver. Courtesy of the Central Florida Expressway Authority.

Wrong-Way Driver Detection Technologies can Help Prevent Head-On Collisions

33441 – New systems leverage vehicle and roadside technologies to thwart head-on collisions caused by wrong-way drivers Researchers at UCF and the Central Florida Expressway Authority (CFX) have patented methods for systems that help prevent head-on collisions when drivers wrongfully enter roadways. The technologies (UCF IDs: 33441, 33714, and 33716) can be used to alert and stop wrong-way drivers... Read More

CMAS infiltration and reaction in a 7YSZ thermal barrier coating

Non-Destructive Optical Test to Detect Damage in Turbine Blades

33851 – A novel non-destructive characterization test to inspect for particulate infiltration and damage to turbine thermal or environmental barrier coatings Researchers at UCF and the German Aerospace Center (DLR) have invented a new, non-destructive optical test to identify whether thermal or environmental barrier coatings on components have been infiltrated with particulates, such as dust, sand... Read More

Diagnostic Kit Detects Pathogenic Microorganisms Based on Electric Signatures

33854 – Novel kit uses electrophysiology to help clinicians identify and effectively treat bacterial diseases in plants, animals and humans UCF researchers have developed a novel diagnostic kit for quickly identifying microorganisms and detecting live versus dead cells, based on their electrical activity. The invention can also be used to determine whether a cell is actively growing,... Read More

Schematic diagram of a graphene plasmonic-cavity structure, according to the invention

Monolayer Graphene Optical Detector Offers Exceptional Light Absorption

33758 – New low-cost graphene-based, light absorber increases the efficiency and performance of mid-IR photodetectors, photovoltaic devices and modulators UCF researchers have invented a graphene-based optical detector device with an unprecedented light absorption value of 60 percent in the mid infrared spectral domain. Historically, graphene’s low optical absorbance ( Various strategies use... Read More

Example of the solar-powered “Anywhere Fan.”

Solar-Powered Portable Fan Generates Greater Airflow while Saving Energy

30736 – Low-cost, portable, solar-powered “Anywhere Fan” enables disaster relief teams to cool and ventilate homes during power outages caused by natural disasters. A UCF researcher has invented a portable, solar-powered fan that requires less power than existing personal and ventilation fans and generates about 30 percent more airflow. Besides being energy-efficient, the new “Anywhere Fan” is... Read More

As shown in the example, the PV-Assisted Heat Pump Water Heater system has a residential compressor-refrigerant-based storage type water heating system with (A) PV modules and microinverters, (B) a programmable smart controller, and (C) a resistance heating circuitry that allows the resistance heater to work with varying levels of electrical power.

Photovoltaic-Assisted Heat Pump Water Heater Integrates Use of Solar and Conventional Energy Sources

33803 – Energy-Saving System Provides Steady, Reliable Supply of Hot Water by Dynamically Switching Between Solar Energy and Electricity from a Power Grid UCF researchers have developed a heat pump water heater (HPWH) system that enables homes and businesses to maintain a steady supply of hot water while optimizing energy usage from both solar panels and conventional power sources. Cost-efficient... Read More

Photonic Platform for Polarization Diversity and Extremely Broad Bandwidths

33645 – New platform enables polarizers to span optical bandwidths of more than an octave in frequency (Note: figures referenced below can be found by clicking the Image Gallery, to the right.) UCF researchers have invented a breakthrough technology for creating optical systems that enable control of different polarizations over broader bandwidths than those of conventional systems. The... Read More

The example embodiment shows two openings (104) in the substrate (102) and a semiconductor stack (122) made of a suspended semiconductor layer (116), an optically active layer (118), and another semiconductor layer (120) supported by a substrate post (102′). The resulting T-shaped optical waveguiding region (124) transmits an optical mode of light, confining the mode at the intersection of the stack and the substrate post.

Novel Nano-Scale Photonics Platform Enables Integration of Optical Devices

33646 – Invention cost-efficiently combines optical lasers, high-speed detectors and modulators onto high-performing telecommunications chip UCF researchers have designed and developed a low-cost way to combine optical devices onto a compact, stable integrated chip that operates over octave-spanning or multi-octave spectral windows. The invention provides the telecommunications industry with a new... Read More

Figure 1. Example of new architecture devices manufactured using the Laser-Assisted Manufacturing Process Using Microfluidic Suspensions and Dry Powders. The basic Intermediate Band Solar Cell design shows the nanostructural feature of the barrier layer with Si nanodots embedded in 3C-SiC (not to scale).

Laser-Assisted Microfluidics Technology for Additive Manufacturing

33718 – New Low-Cost Manufacturing Process Produces High-Performing Intermediate Band Solar Cells UCF researchers have invented a novel additive manufacturing system and methods for thin film fabrication specifically useful in fabricating higher performance solar photovoltaic (PV) cells at a fraction of the cost of traditional PV cell manufacturing methods. Today’s commercial solar cells are... Read More

Solar Panels

Synchronous DC Link Voltage Control System Lowers the Cost of Solar Microinverters While Improving Reliability and Power Density

33719 – New microinverter controller quickly and accurately prevents voltage ripple and harmonic distortion in solar energy conversion without needing high value film or electrolytic capacitors UCF researchers have invented a robust DC link voltage control system that improves the performance, reliability and power density of two-stage microinverters used in solar photovoltaic (PV) energy... Read More

Example embodiments of the invention. a) Schematic view of a four-port circulator device. b-c) SEM pictures of the fabricated system. The footprint of this example device is 4 mm × 120 μm.

Monolithically Integrated Optical Circulator on Semiconductor Substrate

33693 – Invention Provides Communication Networks with a Low-Cost Optical Circulator on a Single Chip UCF researchers have developed an innovative optical circulator and methods for monolithically integrating the device onto a single semiconductor substrate. The oscillator consists of an on-chip design that is broadband, color preserving, compact and integrable with physical processes that are... Read More

Schematic of an example application for the invention. The left image shows a graphene-doped ceramic cladding on a single crystal core. The center image depicts the interface between the cladding and core. The right image shows graphene on the grain boundary.

New Cladding Material Suppresses Transverse Oscillations in Solid-State, Single-Crystal and Ceramic Laser Amplifiers

33613 – Invention enables manufacturers to produce high-power laser amplifiers that suppress transverse oscillations while operating in both cryogenic and high-vacuum environments UCF researchers have developed a low-cost, non-toxic cladding material that suppresses the unwanted effects of transverse and parasitic oscillations that occur with high-powered lasers. The new cladding resolves the key... Read More

Example applications of spatially variant photonic crystals (SVPCs): (left) A standard SVPC bend; (middle) An SVPC bend with a lens multiplexed into the lattice; (right) The same multiplexed device with the source beam incident at an angle.

Photonics Apparatus Provides Groundbreaking Light Bending Capability

33687 – New device enables telecommunications networks and high-performance computers to transfer data through tight twists and turns at light speed and without energy loss Researchers at UCF and the University of Texas at El Paso have designed and developed a device that can bend and steer data-carrying light beams through tighter turns and with higher efficiency than current technologies. The... Read More

Wearable display

Optical Technology Offers High Diffraction Efficiency and Polarization Sensitivity

33470 – New diffraction grating technology enables wearable displays to project 3D images using only one panel UCF researchers have invented an optical device that can replace existing technologies in applications such as electronic beam steering for free-space communications, optical switching, and wearable (head-mounted) displays. The Polarization Volume Grating (PVG) provides wider bandwidths,... Read More

Example showing a silicon stretchable focal plane array (FPA) circuitry made using the invention and shaped into a hemisphere for a lens assembly.

New Process and Applications for Flexible Electronic and Optoelectronic Circuits

33601 – Fabrication technology creates stretchable circuits for advanced imaging and wearable electronic devices UCF researchers have developed a new fabrication process for making stretchable electronic and optoelectronic devices, circuits or systems that can conform or deform to specific shapes. The new process enables manufacturers to make circuits for advanced imaging systems, wearable... Read More

Illustration of the system capturing and identifying contaminated areas in a mock medical procedure

System Monitors Medical Procedures to Detect Sterile Field Contamination

33396 – UCF researchers have developed an automated detection system aimed at helping to prevent and reduce the number of healthcare-associated infections (HAIs) contracted during medical procedures. The new System for Detecting Sterile Field Events tracks activity during training or an actual medical procedure and identifies actions (such as contact-related events) that violate the sterile field and... Read More

Illustration of the hole/disk array coupled with the ground plane.

Tunable, Uncooled Infrared Detector with Narrow-Band Wavelength Selectivity

33377 – Low-cost, mid-infrared (IR) wavelength detector offers high responsivity without cryogenic cooling UCF researchers have invented a nanoscale IR detector that overcomes major limitations of today’s cooled and uncooled IR detectors. The Optical Frequency-Selective Absorber-Based Infrared Detector operates uncooled and can be tuned to a specific narrow bandwidth within the IR spectrum. The new... Read More

Schematic of preferred embodiment of tunable within 1-5 µm wavelength

Lasing Method with Rapid, Non-Mechanical Wavelength Tuning in the Mid-IR

32934 – UCF researchers have developed a tunable laser with broadband coherent output spectrum within the mid-infrared (IR) range using a chirped quasi phase-matched optical parametric amplifier/difference frequency generator (CQPM OPA/DFG)-based design. Comparatively, currently available laser sources do not possess the unique combination of the following desired attributes: high average power,... Read More

A schematic drawing of a cylindrical disc laser gain medium having a perimetrical edge entirely coated with an ASE-absorbing epoxy composition, disposed in a cryocooler

New High Power Laser Medium Index Matching Reduces Parasitic Lasing in Cryogenic Environments

33261 – A common problem in large-aperture, high-power, solid state amplifiers is parasitic, or transverse, lasing. When this phenomenon occurs, the energy stored in the amplifier quickly drains, effectively clamping the gain accessible to the intended longitudinal amplification process. Currently available methods for reducing parasitic lasing involve the use of absorbing thin films, optical... Read More

Production sequence that starts with an optical material feedstock (top left), processes same into a composite optical element (top, middle and bottom at right) for use within an optical apparatus (bottom left) in accordance with the embodiments.

High Performance, Structured Granular Composite Materials

33384 – Researchers at UCF have created a new type of composite optical element as well as methods for fabricating particles and fibers from the material, depending upon the application. Fabrication of the multi-scale composite optical particles/fibers is highly scalable using multi-component spun fibers drawn in parallel. Using a composition of amorphous and crystalline nano-scale components enables... Read More

Microscope image of graphene transistor.

Graphene-based Plasmonic Phototransistor Provides Broadly Tunable, Narrowband Photo-response

33098 – Graphene phototransistor provides up to 40 percent change in channel conductance for spectral sensing and situational awareness applications Currently, there are no fast, highly sensitive graphene-based photo detectors with a narrow but broadly tunable bandwidth for spectral sensing and situational awareness applications. Extensive effort has been made in this direction through the... Read More

Fig. 1 and Fig. 2 Perspective views of an arc-type APTV

New Velocimeters Provide Improved Sensing Capabilities in Aquatic Environments

33297 – Introducing the Automatic Pulse Tracer Velocimeter (Cross-type and Arc-type) Measuring low flow regime water velocities is challenging, but important for investigating the fate and transport of nutrients and contaminants in heterogeneous aquatic environments. Similarly, monitoring of groundwater is important for understanding solute transport processes including; pollutant fate and... Read More

Perspective view of a chip having bond wires to which magnetic material has been applied

Magnetic Components for the Manufacture of Low Cost On-Chip Power Supplies

30928 – Low-cost method for manufacturing on-chip inductors and transformers (needed to create a power supply on a chip) Power supplies can be found in almost all electronic products. Conventionally, these electrical circuits were composed of semi-conductor chips, capacitors and inductors all mounted on a large and heavy printed circuit board. Recently, a new approach known as Power Supply On a... Read More

An exemplary thermal conduction switch in a parallel setup according to an embodiment of the invention

Shape Memory Alloy Based Thermal Conduction Switch for on Demand Heat Transfer

31191 – This invention embodies a thermal conduction switch based on shape memory alloy material to provide on-demand heat transfer between reservoirs kept at different temperatures Thermal conduction switches play an important role in heat management for numerous systems. They are used in spacecraft and satellites for applications such as cooling of reservoirs and equipment, and long-term... Read More

Top view of the mask design of the hydrogen micro sensor, and the exploded view of the same showing the resistive temperature sensor of the hydrogen micro sensor

Micro Electro-mechanical Room Temperature Hydrogen Sensor

30305 – A micro electro-mechanical system (MEMS) device that incorporates its own UV radiation source and thin film technology to detect hydrogen at low concentrations and at room temperature Hydrogen gas is currently used for a variety of industrial, commercial and scientific purposes. While extremely useful, it is also highly combustible, even at concentrations as low as 4% by volume. The... Read More

Component set-up of a preferred embodiment of the dual beam low-coherence interferometer system

Dual Beam Low Coherence Interferometer with Improved Signal-to-Noise Ratio and Imaging Depth

30455 – A novel design for a dual-beam low coherence interferometer with improved signal-to-noise ratio This novel apparatus is capable of simultaneously measuring a collimated cylindrical beam and a focused beam centered on a target (such as human tissue cells). The invention then detects the multiscattering induced by the target, measuring both the intensity and magnitude values of the beam.... Read More

Finite Difference Time Domain calculation of the energy density around a metal nanoparticle under plane wave excitation

Method of Generating Frequency Tunable Resonant Scatterers

30287 – Apparatus, methods, systems and devices for enhancing optical emissions by tuning the resonant states of conductive structures In many applications, such as optical, mechanical and acoustic sensing, displays of optical information are based on scattering of optical fields with specific frequencies on various scattering structures. These actions are significantly more efficient when the... Read More

Cross sectional view of an article according to the invention comprising a plurality of closed microchannels in a composite substrate

Metal Nanoparticle Polymer Composites with Electronic, Computer and Adhesive Applications

30895 – A method, apparatus and system for creating a composite material comprised of nanoparticles and a polymer matrix, which can be utilized to site selectively heat said polymers utilizing lasers of a specific wavelength. Ever since the creation of electronics and computers there has been a push towards miniaturization. Advances in science and engineering that push forward the miniaturization... Read More

The components of a system according to one exemplary embodiment of the invention for the convert of energy of the photons provided by a laser beam from a laser source is absorbed by a metal nanoparticle supported on a polymeric bead and converted into heat

Nanoparticle Coated Substrates for Increasing Rates of Chemical Reactions with Laser Irradiation

30893 – Methods, apparatus and systems for coating nanoparticles to a polymer support and irradiating the coated support with a laser to transfer heat/energy to materials in chemical mixtures thereby serving as that reactions catalyst. Chemical synthesis is one of the largest, most profitable businesses in the world. The creation of fertilizers, pharmaceuticals, polymers and plastics are all... Read More

This technology quickly degrades TATP and other peroxide based explosives

On-Site Destruction of Explosive Peroxides Utilizing Metallic Based Nanoparticle Catalysts

30915 – Methods and apparatus for creating and implementing a catalyst that safely degrades peroxide based explosives. TATP and other peroxide based explosives are used extensively by terrorist organizations around the world. They are easy to prepare, can be made from common household items and are very difficult to detect. The low cost of the reactants and the ease with which they can be obtained... Read More

Optical block diagram showing a hybrid lens distance sensor for reflective targets according to the present invention

Low Cost and High Resolution Optical Distance Sensor with a Large Dynamic Range

31603 – This invention provides means and methods for the creation of an optical distance sensor comprised of a laser, hybrid (digital and analog) lens for ideal distance range and resolution, and an optical imager to measure target path length. The invention also makes use of a beam splitter to allow for remote sensing of object distance, motion displacement, 3D structure and spatial profile. ... Read More

Top view depiction of an exemplary micromixing apparatus, according to an embodiment of the invention

A Passive Micro-Mixer for Use With Micro- Fluidic Sensors in Medical, Pharmaceutical and Chemical Applications

31571 – The invention provides the means, materials and methods for creating an in-line passive micro-mixer to be combined with a micro-fluidic sensor. This device makes use of variations in side-wall shapes to alter the flow rates of miscible liquids. These side-wall shapes are comprised of polymer resins cast from a silicon wafer mold. The field of micro-fluidics is growing rapidly, with... Read More

The injection molding method of fabricating the one-piece microfluidic package

Interconnecting Microfluidic Package and Fabrication Method

31566 – The field of microfluidics is aimed at developing miniaturized devices that can robustly sense specific properties of a sample utilizing minimal sample volumes. Development of biological and chemical microfluidic sensors is challenging due to the lack of adequate packaging platforms and standardized tubing. Creating connections between various microfluidic devices is cumbersome due to fragile... Read More

Schematic representation of the CdS:Mn!ZnS core sell nanowire (CSNW) formation mechanism

Large Scale Synthesis of Single Crystalline Ultra-long Semiconducting Nanowires for Improved Electronic and Optoelectronic Devices

31139 – Methods and materials for the synthesis of manganese doped cadmium sulfide (CdS) nanowires with a wide band gap semiconducting shell and methods for creation of a reaction chamber where said synthesis may take place. Great efforts have been made to improve upon one dimensional nanostructures ever since the discovery of carbon nanotubes in 1991. One dimensional (1D) nanostructures are... Read More

structural model of a CdS/Cd,Zn1_xS:Mn!ZnS core/shell/shell of the present invention

Synthesis of Core/Shell/Shell Quantum Dots with Improved Luminescent and Semi-Conducting Properties

31141 – The technology represents methods for the synthesis of quantum dots with a core/shell/shell structure and compositions which allow one to customize the particles excitation band-gaps. It also provides a variety of semi conducting alloys for creating the core of the quantum dots as well as several metal dopants for the shell. Quantum dots (semiconductor nanoparticles) exhibit both strong... Read More

Block diagram of an infrared (IR) imager constructed in accordance with an embodiment of the invention

Enhanced Conduction Structure for Improving Infrared Microbolometer Sensors Without the Need for Cooling

30886 – Methods and apparatus for an enhanced conduction structure used in infrared (IR) microbolometer sensors. The desire to “see” in complete darkness or through obscurants such as smoke or fog has driven the development and adoption of thermal imaging technology in numerous industries. Thermal imaging devices provide the observer with instruments that can collect and convert the thermal... Read More

Schematic for I/0 ground-referenced ESD protection and supply clamp

Reliable ESD Protection Device and Method for Advanced Sub-micron CMOS Technologies

30567 – A tunable, gateless, versatile, space-efficient, and reliable ESD protection device and method for a more robust implementation of ESD protection systems, in advanced sub-micron CMOS technologies For many years, the semiconductor industry has employed complementary metal oxide semiconductor (CMOS) technology to manufacture reliable integrated circuits (IC) at low cost. This technology is... Read More

Cross sectional-view of a dual polarity ESD device according to various embodiments of the invention

Dual-Polarity Electrostatic Discharge Protection for Sub- Micron, Mixed Signal, CMOS/BiCMOS Technologies

30726 – Device and methods for electrostatic discharge protection in CMOS/BiCMOS mixed signal integrated circuits, with operating input and output voltages higher/lower than the power supply voltage UCF scientists have developed an innovative device for electrostatic discharge (ESD) protection of advanced complementary metal oxide semiconductor (CMOS) and bipolar CMOS (BiCMOS) technologies. The... Read More

(1) Fully assembled hybrid power module of the present invention using double metal leadframes

Ultra Compact, High Current and High Temperature Semiconductor Packaging

30763 – A hybrid power module packaging technology that incorporates lead frames and injection-molded polymers to encapsulate a semiconductor in order to promote stable operation well beyond 300°C Wide band-gap semiconductors, like silicon carbide, are an obvious choice for use in high-power electronics that operate under high temperatures. By utilizing materials that can handle these extreme... Read More

Example of the fitness assessment approach using pairwise discrepancy detection for competitive runtime reconfiguration in a SRAM-based reconfigurable logic device

Logic Device Design and Evolvable Hardware

30551 – Methods and systems for the automatic real-time self-repair of embedded computing devices using Competitive Runtime Reconfiguration (CRR), enabling said devices with a superior level of fault tolerance Reliable embedded computing devices have become an essential part of modern living, and play a crucial role in mission critical endeavors in which the safety of human life or costly material... Read More

(a) and (b) show simplified representations of an intrisic and an extrinsic fiber optic based sensor system, respectively, according to an embodiments of the present invention

Ultra-sensitive Detection of Environmental Contaminants and biologically important molecules Using Coated Quantum Dots

30939 – Methods and apparatus for efficiently generating the reagents (quantum dots with a partial and/or fully semi-conducting outer shell for the selective detection of several substances) and the optical system for detecting said substances. The rise of industry has provided humanity with numerous benefits. Unfortunately, harmful byproducts often result from these advancements. For example,... Read More

Schematic of a combined linear and adaptive non-linear control circuit for the active transient voltage compensator to improve the transient response

The Combination of Linear and Adaptive Non-Linear Control for Fast Transient Response in Highly Efficient Voltage Regulators and DC-DC Converters

30794 – The methods, systems, apparatus and devices for a combination of linear and adaptive non-linear control for fast transient response Power supplies with diverse specifications and capabilities have become a necessity to provide a constant voltage to today’s wide range of electronic devices. In order to operate correctly, electronic devices require this constant voltage for their various... Read More

Schematic illustrations of the fabrication procedure of a five-hole probe

Ultra High Temperature Micro-Electro-Mechanical (MEMS)-Based Smart Sensors for Monitoring Gas Turbines and other Similar Extreme Environments

30235 – Process for producing novel Micro-Electro-Mechanical Systems (MEMS)-based smart sensors for use in harsh, ultra-high temperatures environments Materials technology has had a profound impact on the evolution of human civilization. One of the most important advances in material technology has been the focused development of smart materials. These materials have inherent sensing properties... Read More

Embodiment of using a gas curtain gaseous cooling environment and cooled droplet collector plate for the generated nano-particle/droplets.

Highly Efficient Nanoparticles Generator

30250 – Methods, systems, and apparatus for generating flux-specific bursts of nanoparticles for various applications Extreme ultraviolet lithography (EUVL) is one of the candidates for the next generation lithography (NGL) for the production of silicon-based computer chips. In order to keep pace with the demand for the printing of ever smaller features, lithography tool manufacturers have found... Read More

The initial step of adding aqueous cerium nitrate to a non-polar solution with a surfactant to form reverse micelles for the synthesis of ceria nanoparticles, then the formation of nano-sized micelles, to finally an enlarged drawing of one micelle showing an aqueous precursor solution surrounded by coordinated surfactant molecules

Surfactant Incorporated Nanostructures for Pressure Drop Reduction in Oil and Chemical Lines

30312 – The composition, method of synthesis and utility of novel surfactant incorporated nanoceria for the reduction of friction or pressure drops in oil pipelines and other similar processing structures The chemical and petroleum industries utilize pipelines in order to transport their products over long distances. During this journey fluids being transported interact with imperfections on the... Read More

Fluorescence spectra of pure P3HT-b-PS and P3HT-b-PS/SWCNTs (2:1) dispersion in chloroform, according to an embodiment of the invention

Composite Materials and Coatings Created by an Efficient Dispersion of Carbon Nanotubes in Copolymer Solutions

31164 – A method in which CNTs are held in dispersion via the utilization of brief mechanical force and copolymers, and the superhydrophobic coatings created from such dispersions. Carbon nanotubes (CNTs) are projected to dramatically change how we look at electronics, architecture and optics in the future. Their unique properties such an unmatched tensile strength, distinctive electrical... Read More

Schematic diagram showing the formation of the CNT filled with Pd-nanoparticles in the arc-discharge in solution method

Super Absorbent Palladium Filled Carbon Nanotubes for the Storage and Detection of Hydrogen Gas

30222 – A one-step arc-discharge in solution method for the synthesis of carbon nanotubes containing metals, such as palladium Hydrogen gas is currently utilized for a variety of industrial, commercial and scientific purposes. In the future the world looks to utilizing this gas as a sustainable energy alternative to fossil fuels, but many challenges must be overcome in order to bring hydrogen... Read More

Illustrations of the molecular arrangement for a nematic liquid crystal (NLC) and a twisted nematic liquid crystal (TNLC)

Wavelength Independent Polarization Rotator with a Wide Field of View

30503 – This patent represents the means, methods and apparatus for the creation of a device for rotating the polarization of linearly polarized IR, visible and UV light. The device consists of a transparent input window, a transparent output window with oriented surface coating and a twisted nematic liquid crystal sandwiched between them. The polarization of light specifies the direction of the... Read More

Flow diagram of an embodiment of operation of a mobile node after receiving a route request message

Virtual Router for a Robust Wireless Multihop Highly Mobile Communication Network

31107 – The invention represents a method for forming and maintaining wireless communication routes between a source node and a destination node by means of relay nodes and mobile nodes. Performance of networks are unaffected by the mobility of such nodes. Mobile wireless networks exist in two variations: those with infrastructure and those without (also known as mobile ad-hoc networks (MANETs)).... Read More

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