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California Institute of Technology
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.beta.-type DNA polymerases
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The invention provides novel DNA polymerases of the .beta.-family, called .beta.-type DNA polymerases. Nucleic acids encoding .beta.-type DNA polymerases are provided, as well as expression vectors and host cells containing the nucleic acid encoding the .b...
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California Institute of Technology
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3D rendering
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A technique for capturing the surface of three-dimensional ("3D") objects using structured lighting. The movement of shadow across the 3D objects is optically recorded. Variation in brightness on the surface provides a cue for triangulation. By analyzing t...
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California Institute of Technology
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3D rendering
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A technique for capturing the surface of three-dimensional ("3D") objects using structured lighting. The movement of shadow across the 3D objects is optically recorded. Variation in brightness on the surface provides a cue for triangulation. By analyzing t...
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California Institute of Technology
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3D rendering
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A technique for capturing the surface of three-dimensional ("3D") objects using structured lighting. The movement of shadow across the 3D objects is optically recorded. Variation in brightness on the surface provides a cue for triangulation. By analyzing t...
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California Institute of Technology
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ABA triblock and diblock copolymers and methods of preparing the same
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The invention discloses a method for preparing a triblock copolymer of the formula: ##STR1## comprising: (a) contacting a cycloalkene with a chain transfer agent of the formula: Z--Y.dbd.Y--Z in the presence of a metal carbene metathesis catalyst to form a...
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California Institute of Technology
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ABA triblock and diblock copolymers and methods of preparing the same
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The invention discloses a method for preparing a tri block copolymer of the formula: ##STR1## comprising: (a) contacting a cycloalkene with a chain transfer agent of the formula: Z--Y.dbd.Y--Z in the presence of a metal carbene metathesis catalyst to form ...
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California Institute of Technology
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Acceleration-insensitive opto-electronic oscillators
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Techniques for reducing frequency shifts in an oscillating frequency of an opto-electronic oscillator by having at least two separate optical delay elements in an optical portion of an opto-electronic feedback loop....
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California Institute of Technology
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Acrylic polymer electrophoresis support media
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Electrophoresis support media which include one or more polymers made from hydroxy alkyl esters of acrylic or methylacrylic acid or poly (alkylene glycol) esters of acrylic or methacrylic acid. These acrylic or methacrylic monomers are polymerized or copol...
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California Institute of Technology
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Acrylic polymer electrophoresis support media
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Electrophoresis support media which include one or more polymers made from hydroxy alkyl esters of acrylic or methylacrylic acid or poly (alkylene glycol) esters of acrylic or methacrylic acid. These acrylic or methacrylic monomers are polymerized or copol...
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California Institute of Technology
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Activated carbon absorbent with integral heat transfer device
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An integral adsorbent-heat exchanger apparatus for use in ammonia refrigerant heat pump systems. The apparatus has a finned tube heat exchange member. A bonded, pyrolyzed activated carbon adsorbent matrix, formed from a mixture of activated carbon particle...
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California Institute of Technology
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Active cloudwater collector
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A cloud water collector is disclosed comprised of a sampler duct having a plurality of spaced Teflon strands, in the form of screens, mounted across the conduit at an acute angle facing the open inlet of the conduit. Droplets in a cloud sample are drawn in...
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California Institute of Technology
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Active pixel sensor array with electronic shuttering
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An active pixel cell includes electronic shuttering capability. The cell can be "shuttered" to prevent additional charge accumulation. One mode transfers the current charge to a storage node that is blocked against accumulation of optical radiation. The ch...
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California Institute of Technology
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Active pixel sensor array with electronic shuttering
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An active pixel cell includes electronic shuttering capability. The cell can be "shuttered" to prevent additional charge accumulation. One mode transfers the current charge to a storage node that is blocked against accumulation of optical radiation. The ch...
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California Institute of Technology
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Active pixel sensor array with multiresolution readout
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An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of th...
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California Institute of Technology
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Active pixel sensor array with simple floating gate pixels
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An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of th...
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California Institute of Technology
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Active pixel sensor with intra-pixel charge transfer
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An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of th...
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California Institute of Technology
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Active pixel sensor with intra-pixel charge transfer
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An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of th...
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California Institute of Technology
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Active pixel sensor with intra-pixel charge transfer
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An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of th...
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California Institute of Technology
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Active pixel sensor with intra-pixel charge transfer
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An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of th...
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California Institute of Technology
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Active pixel sensor with intra-pixel charge transfer
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An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of th...
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California Institute of Technology
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Active pixel sensor with intra-pixel charge transfer
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An imaging device formed as a monolithic complementary metal oxide semiconductor integrated circuit in an industry standard complementary metal oxide semiconductor process, the integrated circuit including a focal plane array of pixel cells, each one of th...
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California Institute of Technology
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Acylation of an organic group over a zeolite
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The invention relates to the shape selective acylation of an organic compound. In particular, the invention describes a process for such acylation wherein the process comprises reducing the number of surface acid sites without dealuminations on at least a ...
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California Institute of Technology
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Adaptable state based control system
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An autonomous controller, comprised of a state knowledge manager, a control executor, hardware proxies and a statistical estimator collaborates with a goal elaborator, with which it shares common models of the behavior of the system and the controller. The...
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California Institute of Technology
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Adaptive modulation scheme with simultaneous voice and data transmission
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An adaptive modulation scheme for two streams of information that have different characteristics; preferably voice and data. The voice and data are transmitted on two quadrature channels, the I and Q channels. The amount of power in the channels is adaptiv...
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California Institute of Technology
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Adjustable liquid crystal blazed grating deflector
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A system of beam steering using electrical operation. A first system provides a grating and a liquid crystal material. When the liquid crystal is unenergized, there is a mismatch between the liquid crystal and the grating, causing the grating to diffract t...
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Jet Propulsion Laboratory
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Adjustable spreading locking pliers
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The spreading pliers of the invention include a pair of handles, self-locking linkage which rotatably couples together the pair of handles, the self-locking linkage including a shank rotatably coupled to the ends of both handles at respective pivot points ...
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California Institute of Technology
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Adsorbents for amino acid and peptide separation
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An adsorbent which selectively binds to one enantiomer of an optically active amino acid or peptide. The adsorbent includes a polymer matrix which contains one or more metal complexes that are oriented within the polymer matrix by molecular imprinting to p...
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California Institute of Technology
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Advanced miniature processing handware for ATR applications
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A Hybrid Optoelectronic Neural Object Recognition System (HONORS), is disclosed, comprising two major building blocks: (1) an advanced grayscale optical correlator (OC) and (2) a massively parallel three-dimensional neural-processor. The optical correlator...
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California Institute of Technology
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Advanced x-ray imaging spectrometer
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An x-ray spectrometer that also provides images of an x-ray source. Coded aperture imaging techniques are used to provide high resolution images. Imaging position-sensitive x-ray sensors with good energy resolution are utilized to provide excellent spectro...
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California Institute of Technology
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Aerosol feed direct methanol fuel cell
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Improvements to fuel cells include introduction of the fuel as an aerosol of liquid fuel droplets suspended in a gas. The particle size of the liquid fuel droplets may be controlled for optimal fuel cell performance by selection of different aerosol genera...
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Jet Propulsion Laboratory
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Aerosol reactor production of uniform submicron powders
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A method of producing submicron nonagglomerated particles in a single stage reactor includes introducing a reactant or mixture of reactants at one end while varying the temperature along the reactor to initiate reactions at a low rate. As homogeneously sma...
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California Institute of Technology
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Aerosol silicon nanoparticles for use in semiconductor device fabrication
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A stratum or discontinuous monolayer of dielectric-coated semiconductor particles includes a high density of semiconductor nanoparticles with a tightly controlled range of particle sizes in the nanometer range. In an exemplary embodiment, the nanoparticles...
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California Institute of Technology
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Alkali metal-refractory metal biphase electrode for AMTEC
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An electrode having increased output with slower degradation is formed of a film applied to a beta-alumina solid electrolyte (BASE). The film comprises a refractory first metal M.sup.1 such as a platinum group metal, suitably platinum or rhodium, capable o...
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California Institute of Technology
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All-optical wavelength coded logic gates
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All-optical logic gates in which binary words are encoded using wavelength. A method and apparatus for processing information in this wavelength encoded format is provided. The processing may occur entirely in the optical domain. This approach is modular a...
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Jet Propulsion Laboratory
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Alpha-particle gas-pressure sensor
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Gas pressure in a chamber is determined by injecting alpha particles. The alpha particles ionize the gas. By determining a number of gas ions which are ionized, the pressure of the gas in the chamber can be determined....
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California Institute of Technology
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Analog-to-digital converter using parallel .DELTA..SIGMA. modulators
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An approach is presented for relaxing the oversampling requirements in a .DELTA..SIGMA. modulator based analog-to-digital converter through parallel .DELTA..SIGMA. modulation channels with decimation filtering and modulation by sequences u.sub.r (n) and v....
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California Institute of Technology
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Analysis system for an atmosphere tracer dispersion system
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A system for atmospheric monitoring is disclosed. Atmospheric dispersion of a plume is monitored by continuously releasing a tracer gas such as sulfur hexafluoride into the plume, collecting air samples downwind and analyzing the samples. The system includ...
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California Institute of Technology
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Anionic borate ligands and zwitterionic complexes formed therefrom
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This invention provides an anionic borate ligand, and its synthesis. Zwitterionic complexes formed by the ligand and a metal, and Group 9 and 10 metals in particular, are described. Uses of the complexes in stoichiometric and catalytic reaction chemistry a...
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California Institute of Technology
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Antibody derivatives for controlling gene expression
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The present invention is directed to methods and compositions useful for altering the transcriptional expression of genes in eukaryotic cells. The invention employs novel antibody derivative molecules which function to recognize and bind to specific cis-re...
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California Institute of Technology
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Aperture coded camera for three dimensional imaging
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A three-dimensional imaging system uses apertures through which images are projected. The image through each aperture is obtained by a different camera element. The camera elements can be totally physically separate, multiple receiving parts of a single ca...
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California Institute of Technology
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Apparatus and method for storing and/or reading data on an optical disk
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An optical memory for storing and/or reading data on an optical disk. The optical disk incorporates a material in which holographic gratings can be created at plural locations within the disk. An electro-optical head which is capable of creating these holo...
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California Institute of Technology
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Apparatus and method for storing and/or reading data on an optical disk
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An optical memory for storing and/or reading data on an optical disk. The optical disk incorporates a material in which holographic gratings can be created, and subsequently detected, at plural locations within the disk by an electro-optical head. Creation...
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California Institute of Technology
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Apparatus and method for tracking handwriting from visual input
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A system for detecting movement of a writing implement relative to a writing surface to determine the path of the writing implement. The writing implement tip is determined within the image and used to form a kernel. The determination is made either manual...
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California Institute of Technology
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Apparatus for forming a continuous lightweight multicell material
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An apparatus is described for producing a lightweight structural material (12), by forming gas-filled shells (38) of molten material from a matrix of nozzles (22) that form shells of very uniform size at very uniform rates. The matrix of molten shells coal...
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California Institute of Technology
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Apparatus for measuring three-dimensional surface geometries
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Automatic acquistion and anaylsis for three-dimensional surface geometries is accomplished by use of an opto-electronic technique which exploits large-linear-area lateral-photo-effect-diodes and employs a reflected, tightly focused light spot. The techniqu...
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California Institute of Technology
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Apparatus for the performance of chemical processes
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An improved apparatus for the performance of chemical processes having a reaction chamber with an open end, a reaction cell mounted within the chamber and having a substantially cylindrical interior wall in which is formed an annular groove, and means for ...
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California Institute of Technology
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Apparatus for the sequential performance of chemical processes
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An improved apparatus and method for the sequential performance of chemical processes on a sample of chemical material wherein the sample is embedded in a solid matrix of fluid permeable material located within a reaction chamber and is sequentially subjec...
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California Institute of Technology
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Architecture for time or transform domain decoding of reed-solomon codes
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Two pipeline (255,233) RS decoders, one a time domain decoder and the other a transform domain decoder, use the same first part to develop an errata locator polynomial .tau.(x), and an errata evaluator polynominal A(x). Both the time domain decoder and tra...
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California Institute of Technology
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Array detectors for simultaneous measurement of ions in mass spectrometry
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Improvements for viewing particles, e.g. electrons or ions, in mass spectrometer systems. A special kind of system allows a phosphor to be formed which does not include any kind of conductive layer thereon. The particles impinge directly on the phosphor, a...
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Jet Propulsion Laboratory
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Array of micro-machined mass energy micro-filters for charged particles
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An energy filter for charged particles includes a stack of micro-machined wafers including plural apertures passing through the stack of wafers, focusing electrodes bounding charged particle paths through the apertures, an entrance orifice to each of the p...
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Jet Propulsion Laboratory
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Array processor for morphological image processing
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The array processor includes a grid of individual morphological processing elements formed on a VLSI chip. Each element of the grid includes a photo-detector for directly sensing a pixel of an image projected upon the chip. A signal generated by the photo-...
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California Institute of Technology
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Array-based architecture for molecular electronics
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An architecture for nanoscale electronics is disclosed. The architecture comprises arrays of crossed nanoscale wires having selectively programmable crosspoints. Nanoscale wires of one array are shared by other arrays, thus providing signal propagation bet...
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California Institute of Technology
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Artery- and vein-specific proteins and uses therefor
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Arterial and venous endothelial cells are molecularly distinct from the earliest stages of angiogenesis. This distinction is revealed by expression on arterial cells of a transmembrane ligand, called EphrinB2 whose receptor EphB4 is expressed on venous cel...
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California Institute of Technology
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Articles useful as optical waveguides and method for manufacturing same
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A method for manufacturing an article capable of constraining a propagating wave is disclosed. The method includes contacting a crystalline substrate with a source of deuterium ions to create a region in the crystalline substrate having a crystal structure...
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California Institute of Technology
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Aseptic fluid transfer system
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A method and means is provided, which permits the transfer of fluids between separate detached containers, in a manner which preserves the sterility of the fluids during and after their transfer....
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California Institute of Technology
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Asynchronous processors
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An asynchronous and delay-insensitive data processor comprises a plurality of components communicating with each other and synchronizing their activities by communication actions on channels and buses. Each component consists of a control part and a data p...
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California Institute of Technology
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At grade optical crossover for monolithic optial circuits
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Planar optical circuits may be made to cross through each other, (thus eliminating extra steps required to fabricate elevated, nonintersecting crossovers) by control of the dimensions of the crossing light conductors (10, 12) to be significantly greater th...
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California Institute of Technology
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Atmospheric electron x-ray spectrometer
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The present invention comprises an apparatus for performing in-situ elemental analyses of surfaces. The invention comprises an atmospheric electron x-ray spectrometer with an electron column which generates, accelerates, and focuses electrons in a column w...
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California Institute of Technology
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Atomic clock based on an opto-electronic oscillator
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Opto-electronic oscillators having a frequency locking mechanism to stabilize the oscillation frequency of the oscillators to an atomic frequency reference. Whispering gallery mode optical resonators may be used in such oscillators to form compact atomic c...
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California Institute of Technology
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Automated DNA sequencing technique
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A process for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations wherein chromophores or fluorophores are used to tag the DNA fragments produced by the sequencing chemistry and permit the detection and characterization of t...
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California Institute of Technology
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Automated DNA sequencing technique
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A system for the electrophoretic analysis of DNA fragments produced in DNA sequencing operations comprising: a source of chromophore or fluorescent tagged DNA fragments; a zone for contacting an electrophoresis gel; means for introducing said tagged DNA fr...
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California Institute of Technology
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Automated mass spectrometer analysis system
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An automated mass spectrometer analysis system is disclosed, in which samples are automatically processed in a sample processor and converted into volatilizable samples, or their characteristic volatilizable derivatives. Each volatilizable sample is sequen...
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California Institute of Technology
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Automated mass spectrometer analysis system
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An automated mass spectrometer analysis system is disclosed, in which samples are automatically processed in a sample processor and converted into volatilizable samples, or their characteristic volatilizable derivatives. Each volatizable sample is sequenti...
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California Institute of Technology
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Automated mobility-classified-aerosol detector
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An aerosol detection system for measuring particle number distribution with respect to particle dimension in an aerosol sample. The system includes an alternating dual-bag sampler, a radially classified differential mobility analyzer, and a condensation nu...
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California Institute of Technology
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Automated quantitative muscle biopsy analysis system
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An automated system to aid the diagnosis of neuromuscular diseases by producing fiber size histograms utilizing histochemically stained muscle biopsy tissue. Televised images of the microscopic fibers are processed electronically by a multi-microprocessor ...
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California Institute of Technology
|
Automated rainwater collector
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An automated rain water collector is disclosed to collect a plurality of successive rain water samples, comprised of a reservoir into which rain water is collected and discharged, and a motor-driven turntable which holds a plurality of sample bottles. When...
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California Institute of Technology
|
Automatic generation of animation of synthetic characters
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The present invention provides a technique for acquiring motion samples, labeling motion samples with labels based on a plurality of parameters, using the motion samples and the labels to learn a function that maps labels to motions generally, and using th...
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Jet Propulsion Laboratory
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Autonomous formation flying sensor
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An autonomous formation flying sensor for precise autonomous determination and control of the relative position and attitude for a formation of moving objects....
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California Institute of Technology
|
Autozeroing floating gate amplifier
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An autozeroing floating-gate amplifier (AFGA) is an integrated continuous-time filter that is intrinsically autozeroing. It can achieve a highpass characteristic at frequencies well below 1 Hz. In contrast with conventional autozeroing amplifiers that elim...
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California Institute of Technology
|
Autozeroing floating-gate amplifier
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An autozeroing floating-gate amplifier (AFGA) is an integrated continuous-time filter that is intrinsically autozeroing. It can achieve a highpass characteristic at frequencies well below 1 Hz. In contrast with conventional autozeroing amplifiers that elim...
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California Institute of Technology
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Battery plate containing filler with conductive coating
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The plate (10) comprises a matrix or binder resin phase (12) in which is dispersed particulate, conductive tin oxide such as tin oxide coated glass fibers (14). A monopolar plate (11) is prepared by coating a layer (18) of electrolytically active material ...
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California Institute of Technology
|
Battery plate containing filler with conductive coating
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The plate (10) comprises a matrix or binder resin phase (12) in which is dispersed particulate, conductive tin oxide such as tin oxide coated glass fibers (14). A monopolar plate (11) is prepared by coating a layer (18) of electrolytically active material ...
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Jet Propulsion Laboratory
|
Beam scanning reflectarray antenna with circular polarization
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A novel means of scanning a circularly polarized reflectarray antenna. The reflectarray is an array of metallic elements arranged on a surface designed to compensate for the various path lengths of the optical rays from an illuminating feed to the reflecti...
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California Institute of Technology
|
Berylllium bearing amorphous metallic alloys formed by low cooling rates
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Alloys which form metallic glass upon cooling below the glass transition temperature at a rate appreciably less than 10.sup.6 K/s comprise beryllium in the range of from 5 to 52 atomic percent and at least one early transition metal in the range of from 30...
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California Institute of Technology
|
Biaxially-oriented polycarbonate film for capacitors
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Biaxially oriented, partially crystalline polycarbonate carbonate films have improved properties. For instance, a 2 .mu.m film that has a degree of crystallinity of about 35% has an electrical breakdown strength of about 13.5 kv per mil. Such a film has a ...
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California Institute of Technology
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Bifunctional detection agents
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The invention provides bifunctional detection agents comprising optical dyes covalently linked to at least one magnetic resonance image (MRI) contrast agent. These agents may include a linker, which may be either a coupling moiety or a polymer....
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California Institute of Technology
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Biochemical assay to monitor the ubiquitin ligase activities of cullins
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The present invention is based on the discovery of a simplified assay for identifying modulators of ubiquitin ligase activity. This assay allows detection of compounds that affect ubiquitination and thus, cell cycle regulation in cells. An increase in ubiq...
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California Institute of Technology
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Biochemical assay to monitor the ubiquitin ligase activities of cullins
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The present invention is based on the discovery of a simplified assay for identifying modulators of ubiquitin ligase activity. This assay allows detection of compounds that affect ubiquitination and thus, cell cycle regulation in cells. An increase in ubiq...
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California Institute of Technology
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Biochemical assay to monitor the ubiquitin ligase activities of cullins
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The present invention is based on the discovery of a simplified assay for identifying modulators of ubiquitin ligase activity. This assay allows detection of compounds that affect ubiquitination and thus, cell cycle regulation in cells. An increase in ubiq...
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California Institute of Technology
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Biometric combination lock
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An identification system using biometric information of human body parts and a secret sequence code. In particular, biometric information of human body parts is used to form the secret sequence code. Specifically, a combination entry device recognizes user...
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California Institute of Technology
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Biometric combination lock
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An identification system using biometric information of human body parts and a secret sequence code. In particular, biometric information of human body parts is used to form the secret sequence code. Specifically, a combination entry device recognizes user...
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California Institute of Technology
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Biometric sequence codes
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An identification system using biometric information of human body parts and a secret sequence code. In particular, biometric information of human body parts is used to form the secret sequence code. Specifically, a combination entry device recognizes user...
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California Institute of Technology
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Bipolar battery construction
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A lightweight, bipolar battery construction for lead acid batteries in which a plurality of thin, rigid, biplates each comprise a graphite fiber thermoplastic composition in conductive relation to lead stripes plated on opposite flat surfaces of the plates...
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Jet Propulsion Laboratory
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Bipolar battery plate
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A liquid-impermeable plate (10) having through-plate conductivity with essentially zero resistance comprises an insulator sheet (12) having a series of spaced perforations (14) each of which contains a metal element (16) sealingly received into the perfora...
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Jet Propulsion Laboratory
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Bipolar battery plate
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A liquid-impermeable plate (10) having throughplate conductivity with essentially zero resistance comprises an insulator sheet (12) having a series of spaced perforations (14) each of which contains a metal element (16) sealingly received into the perforat...
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California Institute of Technology
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Bit-serial neuroprocessor architecture
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A neuroprocessor architecture employs a combination of bit-serial and serial-parallel techniques for implementing the neurons of the neuroprocessor. The neuroprocessor architecture includes a neural module containing a pool of neurons, a global controller,...
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California Institute of Technology
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Bladeless pump
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A pump which is bladeless, and uses a substantially cylindrical outer cylinder to rotate inside a ridged inner chamber....
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California Institute of Technology
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Bladeless pump
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A pump which is bladeless, and uses a substantially cylindrical outer cylinder to rotate inside a ridged inner chamber....
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California Institute of Technology
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Bladeless pump
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A bladeless pump is described which uses a rotating impeller which is substantially smooth. The rotating impeller pumps fluid in a direction perpendicular to its direction of rotation. The moving part of the pump includes a substantially smooth or bumped o...
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California Institute of Technology
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Bladeless pump
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A bladeless pump is made with rotating parts that are substantially flexible, allowing them to be assembled into desired shapes. The rotating part preferably has no blades thereon, and rotates to produce a fluid flow inside a chamber. The fluid flow in the...
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California Institute of Technology
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Brillouin opto-electronic oscillators
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Opto-electronic oscillators having at least one Brillouin feedback loop based on the Brillouin selective sideband amplification to provide a sufficient gain for the oscillator to start and sustain an electro-optic oscillation. Such an oscillator can genera...
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California Institute of Technology
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Broad-band substrate-wave-coupled electro-optic modulator
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An electro-optic modulator in which the input electromagnetic signal is launched as a substrate mode in the electro-optic material. Broadband endfire antennas on the top surface of the substrate couple the signal to electrodes positioned above the optical ...
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California Institute of Technology
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Broadband optical radiation detector
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A method and apparatus for detecting optical radiation by optically monitoring temperature changes in a microvolume caused by absorption of optical radiation to be detected. More specifically, a thermal lens-forming material is provided which has first and...
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California Institute of Technology
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Bubble imaging technology
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A method and apparatus for producing an image defined by fluid bubbles in a medium fluid. Alphanumeric digits and/or graphic images in a fluid medium are formed by injecting into the fluid medium a multitude of fluid bubbles having a density different than...
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California Institute of Technology
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Buckle arrestor for pipe using closely spaced turns of rod to form a coil
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A flexible buckle arrestor (20) is provided at somewhat regular intervals (l) along the length of a pipeline (10) as it is being laid underwater for arresting the propagation of any buckle (22) that may occur in the pipeline during or after pipeline laying...
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California Institute of Technology
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Bulk micromachined inductive transducers on silicon
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A bulk micromachined inductive transducer on single crystal silicon. The bulk micromachined micro-device has movable parts integrated with electromagnetically-driven microactuators for moving the parts. The integrated electromagnetic microactuators of the ...
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California Institute of Technology
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Caenorhabditis elegans LOV-1 gene
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Nematodes, such as Caenorhabditis elegans, that express mutant and wild-type orthologs of human genes involved in polycystic kidney diseases (PKDs), are used to study the functions of the proteins encoded by the genes, to screen for other genes involved in...
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California Institute of Technology
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Camera-based handwriting tracking
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A system for processing handwriting that uses an ordinary camera as an image input device. The output of a single camera is used to produce a probability function that indicates the likelihood of whether the pen is touching the paper. The function uses clu...
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California Institute of Technology
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Capillary for electrospray ion source
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A capillary for use with an electrospray ion source includes a concentric outer capillary sleeve and inner capillary tube. An outer surface of the tube engages an inner surface of the sleeve. Conductors are formed at respective upstream and downstream ends...
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California Institute of Technology
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Carbon nanobimorph actuator and sensor
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A nanomechanical actuator/oscillator device and system are provided. The nanomechanical actuator/oscillator device comprising nanobimorphs, such as nanotubes, designed such that inducing a difference in charge density between the tubes (e.g. by biasing one...
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California Institute of Technology
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Carbon nanotube array RF filter
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A tunable nanomechanical resonator system comprising an array of nanofeatures, such as nanotubes, where the nanofeatures are in signal communication with means for inducing a difference in charge density in the nanofeature such that the mechanical resonant...
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California Institute of Technology
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Cassette method of gene synthesis
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The method of synthesizing a segment of DNA, typically a gene, of predetermined structure which comprises synthesizing a first pair of oligonucleotides having ends complementary to the ends enzymatically made at a restriction site on a standard plasmid vec...
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California Institute of Technology
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Casting of amorphous metallic parts by hot mold quenching
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A manufacturing process for casting amorphous metallic parts separates the filling and quenching steps of the casting process in time. The mold is heated to an elevated casting temperature at which the metallic alloy has high fluidity. The alloy fills the ...
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California Institute of Technology
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Catalyst materials for fuel cells
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An improved direct liquid-feed fuel cell having a solid membrane electrolyte for electrochemical reactions of an organic fuel. Improvements in interfacing of the catalyst layer and the membrane and activating catalyst materials are disclosed....
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California Institute of Technology
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Catalyst system for the polymerization of alkenes to polyolefins
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The invention provides metallocene catalyst systems for the controlled polymerization of alkenes to a wide variety of polyolefins and olefin coplymers. Catalyst systems are provided that specifically produce isotactic, syndiotactic and steroblock polyolefi...
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California Institute of Technology
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Catalyst system for the polymerization of alkenes to polyolefins
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The invention provides metallocene catalyst systems for the controlled polymerization of alkenes to a wide variety of polyolefins and olefin coplymers. Catalyst systems are provided that specifically produce isotactic, syndiotactic and steroblock polyolefi...
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California Institute of Technology
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Catalytic hollow spheres
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The improved, heterogeneous catalysts are in the form of gas-impervious, hollow, thin-walled spheres (10) suitably formed of a shell (12) of metal such as aluminum having a cavity (14) containing a gas at a pressure greater than atmospheric pressure. The w...
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California Institute of Technology
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Catalytic hollow spheres
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The improved, heterogeneous catalysts are in the form of gas-impervious, hollow, thin-walled spheres (10) suitably formed of a shell (12) of metal such as aluminum having a cavity (14) containing a gas at a pressure greater than atmospheric pressure. The w...
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California Institute of Technology
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Catalytic, hollow, refractory spheres
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Improved, heterogeneous, refractory catalysts are in the form of gas-impervious, hollow, thin-walled spheres (10) suitable formed of a shell (12) of refractory such as alumina having a cavity (14) containing a gas at a pressure greater than atmospheric pre...
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California Institute of Technology
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Catalytic, hollow, refractory spheres, conversions with them
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Improved, heterogeneous, refractory catalysts are in the form of gas-impervious, hollow, thin-walled spheres (10) suitable formed of a shell (12) of refractory such as alumina having a cavity (14) containing a gas at a pressure greater than atmospheric pre...
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California Institute of Technology
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Cationic vinyl pyridine copolymers and products thereof
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Quaternized, cross-linked, insoluble copolymers of unsubstituted and substituted vinyl pyridines and a dihalo organic compound are spontaneously formed at ambient temperature on mixing the two monomers in bulk, in solution or in suspension. The amount of c...
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California Institute of Technology
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CCD imaging sensor with flashed backside metal film
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A backside illuminated CCD imaging sensor for reading out image charges from wells of the array of pixels is significantly improved for blue, UV, far UV and low energy x-ray wavelengths (1-5000.ANG.) by so overthinning the backside as to place the depletio...
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California Institute of Technology
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CCD imaging sensors
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A method for promoting quantum efficiency (QE) of a CCD imaging sensor for UV, far UV and low energy x-ray wavelengths by overthinning the back side beyond the interface between the substrate and the photosensitive semiconductor material, and flooding the ...
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California Institute of Technology
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Cell lysis device
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A micromachined cell lysis device with electrodes that are spaced less than 100 .mu.m from one another. The cells are attracted to the space between the electrodes and then lysed....
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California Institute of Technology
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Cell lysis device
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A micromachined cell lysis device with electrodes that are spaced by less than 10 .mu.m from one another. The cells are attracted to the space between the.electrodes and then lysed....
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California Institute of Technology
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Cell lysis device
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A micromachined cell lysis device with electrodes that are spaced by less than 10 .mu.m from one another. The cells are attracted to the space between the electrodes and then lysed....
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California Institute of Technology
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Cell lysis device
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A micromachined cell lysis device with electrodes that are spaced by less than 10 .mu.m from one another. The cells are attracted to the space between the electrodes and then lysed....
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California Institute of Technology
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Cell sorting apparatus
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Polymeric functional microspheres containing metal or metal compounds are formed by addition polymerization of a covalently bondable olefinic monomer such as hydroxyethylmethacrylate in the presence of finely divided metal or metal oxide particles, such as...
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California Institute of Technology
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Cell specific, variable density, polymer microspheres
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Biocompatible polymeric microspheres having an average diameter below about 3 microns and having density at least 15% greater or lesser than organic cells and having covalent binding sites are provided in accordance with this invention. The microspheres ar...
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California Institute of Technology
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Cell specific, variable density, polymer microspheres
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Biocompatible polymeric microspheres having an average diameter below about 3 microns and having a density at least 15% greater or lesser than organic cells and having covalent binding sites are provided in accordance with this invention. The microspheres ...
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California Institute of Technology
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Center of mass detection via an active pixel sensor
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An imaging system for identifying the location of the center of mass ("COM") in an image. In one aspect, an imaging system includes a plurality of photosensitive elements arranged in a matrix. A center of mass circuit coupled to the photosensitive elements...
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California Institute of Technology
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Charge domain bit serial vector-matrix multiplier and method thereof
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A charge domain bit serial vector matrix multiplier for real time signal processing of mixed digital/analog signals for implementing opto-electronic neural networks and other signal processing functions. A combination of CCD and DCSD arrays permits vector/...
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California Institute of Technology
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Check-valved silicon diaphragm pump and method of fabricating the same
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A silicone rubber diaphragm pump utilizing a pair of MEMS Parylene check valves and a miniature solenoid plunger and actuator is comprised of a spacer sandwiched by a silicone rubber diaphragm on one side and a check valve support on the other. The check v...
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California Institute of Technology
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Checkpoint-activating oligonucleotides
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The present invention provides polypeptides (Cds1) that are involved in regulating the progression of the cell cycle. The polypeptides are activated by double-stranded DNA and phosphorylated in response to the presence of double-stranded DNA. Also provided...
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California Institute of Technology
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Chemical etching of fiber probe
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A two-phase etching system having an etchant solution and an overlayer of a protective solvent. The physical properties of the etchant solution and the protective solvent are matched to form a substantially flat meniscus on the top surface of the etchant s...
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California Institute of Technology
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Chemical vapor deposition coating of fibers using microwave application
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Chemical vapor deposition coating is carried out in a cylindrical cavity. The fibers are heated by a microwave source that is uses a TM0N0 mode, where O is an integer, and produces a field that depends substantially only on radius. The fibers are observed ...
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California Institute of Technology
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Chemical vapor deposition coating of fibers using microwave application
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Chemical vapor deposition coating is carried out in a cylindrical cavity. The fibers are heated by a microwave source that is uses a TM0N0 mode, where O is an integer, and produces a field that depends substantially only on radius. The fibers are observed ...
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California Institute of Technology
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Chemical vapor deposition reactor
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An improved chemical vapor deposition reactor is characterized by a vapor deposition chamber configured to substantially eliminate non-uniformities in films deposited on substrates by control of gas flow and removing gas phase reaction materials from the c...
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California Institute of Technology
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Chemically rechargeable battery
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Batteries (50) containing oxidized, discharged metal electrodes such as an iron-air battery are charged by removing and storing electrolyte in a reservoir (98), pumping fluid reductant such as formalin (aqueous formaldehyde) from a storage tank (106) into ...
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California Institute of Technology
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Chimeric cell-targeting pathogenic organism and method of therapeutic use
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The invention chimeric organism comprises a chimeric surface integrin-like fusion protein in which the I domain has been replaced by an antibody fragment that binds a disease-associated antigen on a cell. Binding of the antibody fragment to the disease-ass...
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California Institute of Technology
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Chimeric cell-targeting pathogenic organism and method of therapeutic use
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The invention chimeric organism comprises a chimeric surface integrin-like fusion protein in which the I domain has been replaced by an antibody fragment that binds a disease-associated antigen on a cell. Binding of the antibody fragment to the disease-ass...
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Jet Propulsion Laboratory
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Chip connectivity verification program
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A method for testing electrical connectivity between conductive structures on a chip that is preferably layered with conductive and nonconductive layers. The method includes determining the layer on which each structure is located and defining the perimete...
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California Institute of Technology
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Chronic chamber microdrive
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A chronic chamber microdrive ("CCMD") for neural recording. In one implementation, a CCMD for neural recording from a target site of neural tissue exposed by an opening in a skull of a subject, includes: an outer cylinder, having a longitudinal axis, posit...
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California Institute of Technology
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Circuit implementations for asynchronous processors
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An asynchronous and delay-insensitive data processor comprises a plurality of components communicating with each other and synchronizing their activities by communication actions on channels and buses. Each component consists of a control part and a data p...
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California Institute of Technology
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Circuits for wide input range analog rectification and correlation
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A first and a second MOS transistor of the same conductivity type are connected in series between a load and a fixed voltage source. The gates of the first and second MOS transistors are connected to sources of input voltage which are of a magnitude smalle...
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California Institute of Technology
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Class E/F switching power amplifiers
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The present invention discloses a new family of switching amplifier classes called "class E/F amplifiers." These amplifiers are generally characterized by their use of the zero-voltage-switching (ZVS) phase correction technique to eliminate of the loss nor...
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California Institute of Technology
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Class E/F switching power amplifiers
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The present invention discloses a new family of switching amplifier classes called "class E/F amplifiers." These amplifiers are generally characterized by their use of the zero-voltage-switching (ZVS) phase correction technique to eliminate of the loss nor...
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California Institute of Technology
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Cleaning devices
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Cleaning devices are described which include a vacuum cleaner nozzle with a sharp rim for directing incoming air down against the floor; a vacuum cleaner wherein electrostatically charged brushes that brush dirt off a floor, are electrically grounded to re...
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California Institute of Technology
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Cleaning devices
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Cleaning devices are described which include a vacuum cleaner wherein electrostatically charged brushes that brush dirt off a floor, are electrically grounded to remove charges that could tend to hold dirt to the brushes....
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California Institute of Technology
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Cloud condensation nucleus spectrometer
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A cloud condensation nucleus spectrometer having a streamwise segmented condensation nucleus growth column. The condensation nucleus growth column includes alternating hot and cold temperature-maintaining segments arranged next to one another. The temperat...
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California Institute of Technology
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CMOS active pixel sensor type imaging system on a chip
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A single chip camera which includes an intergrated image acquisition portion and control portion and which has double sampling/noise reduction capabilities thereon. Part of the intergrated structure reduces the noise that is picked up during imaging....
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California Institute of Technology
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CMOS logic circuit
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A monodirectional logic form is provided using a bistable circuit of the set-rest type comprised of two cMOS inverters connected in parallel to a source of power (V.sub.dd) by a power-down p-channel MOS transistor. Each of the cMOS inverters is comprised o...
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California Institute of Technology
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CMOS single phase registers
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A CMOS single phase register includes two pairs of cross coupled CMOS inverters connected together by transistor switches. The first pair of cross-coupled CMOS inverters is connected to a complementary pair of data inputs through a first pair of transistor...
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California Institute of Technology
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Coal desulfurization
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A method for enhancing solubilizing mass transport of reactive agents into and out of carbonaceous materials, such as coal. Solubility parameters of mass transfer and solvent media are matched to individual peaks in the solubility parameter spectrum of coa...
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California Institute of Technology
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Coal desulfurization by aqueous chlorination
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A method of desulfurizing coal is described in which chlorine gas is bubbled through an aqueous slurry of coal at low temperature below 130 degrees C., and at ambient pressure. Chlorinolysis converts both inorganic and organic sulfur components of coal int...
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