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Results 376–400 of 1,875

Dynamically reconfigurable photovoltaic system
Patent • #US9356173B2. A PV system composed of sub-arrays, each having a group of PV cells that are electrically connected to each other. A power management circuit for each sub-array has a communications interface and serves to connect or disconnect the sub-array to a programmable power grid. The power grid has bus...

Eddy-current-damped microelectromechanical switch
Patent • #US7633362B1. A microelectromechanical (MEM) device is disclosed that includes a shuttle suspended for movement above a substrate. A plurality of permanent magnets in the shuttle of the MEM device interact with a metal plate which forms the substrate or a metal portion thereof to provide an eddy-current damping of the...

Edge majorana quasiparticles and qubits
Patent • #US11917929B1. Various embodiments described herein provide for a topological quantum computer that uses edge Majorana quasi-particles to form qubits. An inverted Indium Arsenide (InAs) and Gallium Antimonide (GaSb) heterostructure is disclosed that is a quantum spin Hall insulator. A layer of aluminum can be deposited over a nanotube that is...

Edge-based correlation image registration for multispectral imaging
Patent • #US7620269B1. Registration information for images of a common target obtained from a plurality of different spectral bands can be obtained by combining edge detection and phase correlation. The images are edge-filtered, and pairs of the edge-filtered images are then phase correlated to produce phase correlation images. The registration information can...

Efficient generalized boundary detection
Patent • #US11563446B1. Fast, efficient, and robust compression-based methods for detecting boundaries in arbitrary datasets, including sequences (1D datasets), are desired. The methods, each employing three simple algorithms, approximate the information distance between two adjacent sliding windows within a dataset. One of the algorithms calculates an initial ordered list of subsequences; while...

Efficient track-before detect algorithm with minimal prior knowledge
Patent • #US10445862B1. Apparatus, system and method for tracking an image target in a system, wherein a system receives an image comprising a plurality of pixels. The received image is processed via a plurality of different recursive motion model kernels in parallel to provide a plurality of kernel outputs, wherein each of...

Efficient ultrathin all-dielectric nonlinear optical device
Patent • #US11314145B1. An apparatus and method are provided for generating harmonic light from a pump beam that is impinged on a metasurface comprising a plurality of all-dielectric resonator bodies. A multiple quantum well structure formed in each resonator body includes asymmetric coupled quantum wells having intersubband transition frequencies that couple to...

Electrical Cable Testing by Pulse-Arrested Spark Discharge (PASD)
Featured Opportunity • Sandia has developed an advanced electrical wiring diagnostic capable of detecting insulation defects in complex wiring systems. The portable diagnostic system detects and accurately locates hard to find insulation defects such as breached insulation, chaffing, and insulation cracks. PASD could greatly reduce the time required to track down wiring defects,...

Electrically tunable infrared metamaterial devices
Patent • #US9086510B1. A wavelength-tunable, depletion-type infrared metamaterial optical device is provided. The device includes a thin, highly doped epilayer whose electrical permittivity can become negative at some infrared wavelengths. This highly-doped buried layer optically couples with a metamaterial layer. Changes in the transmission spectrum of the device can be induced via...

Electro 3D: Electrochemical 3D Printing
Featured Opportunity • A new method of additive manufacturing that leverages fluidics and electrochemistry to rapidly produce high-quality parts with engineering materials. Existing methods of metal 3D printing are ineffective in creating micro-resolution parts of high-quality metals at room temperature and pressure without the need for postprocessing or electrochemical baths. Market Needs Additive...

Electro-Optical Sensor (EOS) for High Energy Environments and Applications
Featured Opportunity • Transforming high-voltage measurement: the electro-optical sensor (EOS) for safer and more accurate monitoring solutions in high-energy environments today and beyond Business Problem Accurate measurement of extremely high voltages of up to 20 million volts presents significant challenges for industries that rely on high-energy environments. Traditional measurement methods often require physical...

Electro-optical sensor for high intensity electric field measurement
Patent • #US12111342B2. The present invention is directed to an electro-optical sensor for high intensity electric field measurement. The electro-optical sensor was used to measure a strong 118 MV/m narrow pulse width (˜33 ns) electric field in the magnetically insulated transmission line (MITL) of a pulsed power accelerator. Accurately measuring these high...

Electroabsorption optical modulator
Patent • #US9823497B1. An electroabsorption modulator incorporates waveguiding regions along the length of the modulator that include quantum wells where at least two of the regions have quantum wells with different bandgaps. In one embodiment of the invention, the regions are arranged such that the quantum wells have bandgaps with decreasing bandgap...

Electrochemical assembly of organic molecules by the reduction of iodonium salts
Patent • #US7550071B1. Methods are described for the electrochemical assembly of organic molecules on silicon, or other conducting or semiconducting substrates, using iodonium salt precursors. Iodonium molecules do not assemble on conducting surfaces without a negative bias. Accordingly, the iodonium salts are preferred for patterning applications that rely on direct writing with...

Electrochemical cell having a vanadium phosphorous alloy electrode
Patent • #US10186740B1. An apparatus includes an electrochemical half-cell comprising: an electrolyte, an anode; and an ionomeric barrier positioned between the electrolyte and the anode. The anode may comprise a multi-electron vanadium phosphorous. The electrochemical half-cell is configured to oxidize the vanadium and phosphorous alloy to release electrons. A method of mitigating...

Electrochemical cell structure including an ionomeric barrier
Patent • #US9685684B1. An apparatus includes an electrochemical half-cell comprising: an electrolyte, an anode; and an ionomeric barrier positioned between the electrolyte and the anode. The anode may comprise a multi-electron vanadium phosphorous alloy, such as VPx, wherein x is 1-5. The electrochemical half-cell is configured to oxidize the vanadium and phosphorous...

Electrochemical components employing polysiloxane-derived binders
Patent • #US8460823B1. A processed polysiloxane resin binder for use in electrochemical components and the method for fabricating components with the binder. The binder comprises processed polysiloxane resin that is partially oxidized and retains some of its methyl groups following partial oxidation. The binder is suitable for use in electrodes of various...

Electrochemical detection of gas phase chemicals
Patent • #US11378547B1. We provide an electrochemical sensor in which working microelectrodes are arranged in an array and interconnected in parallel. The working electrodes are arranged so that in use, they are electrochemically coupled to a counter electrode structure through an electrolyte. The sensor also includes a microporous body arranged so that...

Electrochemical ion separation in molten salts
Patent • #US9847149B2. A purification method that uses ion-selective ceramics to electrochemically filter waste products from a molten salt. The electrochemical method uses ion-conducting ceramics that are selective for the molten salt cations desired in the final purified melt, and selective against any contaminant ions. The method can be integrated into a...

Electrochemical Random Access Memory (ECRAM)
Featured Opportunity • An oxygen vacancy Electrochemical Random Access Memory (ECRAM) for neuromorphic computing. Artificial neural networks have become increasingly relevant and desired in today’s market; however, they are extremely energy intensive. Neuromorphic computing, which involves operations being conducted in analogue directly on memory elements, is seen as a solution to the problem....

Electrochemical random access memory device with contact layer as a heat source
Patent • #US12446479B1. Technologies related to an electrochemical random access memory (ECRAM) device are described herein. The ECRAM device includes a channel layer, an electrolyte layer, a reservoir layer, and a conductive contact layer, where the conductive contact layer is in contact with the reservoir layer. A voltage source is coupled to...

Electrochemical Solution Growth: Gallium Nitride Crystal Growth
Featured Opportunity • Sandia National Laboratories has developed a disruptive new crystal growth technology, called Electrochemical Solution Growth (ESG). This technology has a high potential for producing the high-quality, large-area, and economical bulk gallium nitride (GaN) substrates needed to meet the performance requirements of high-efficiency LED and high-power transistors. Substrates are the bulk...

Electrode array for neural stimulation
Patent • #US8000804B1. An electrode array for neural stimulation is disclosed which has particular applications for use in a retinal prosthesis. The electrode array can be formed as a hermetically-sealed two-part ceramic package which includes an electronic circuit such as a demultiplexer circuit encapsulated therein. A relatively large number (up to 1000...
Results 376–400 of 1,875