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13,573 items
patent · · added 2 months ago
A technique for enhancing the generation of carriers (ex. electrons and/or holes) in semiconductor devices such as photovoltaic cells and the like, receiving radiation from a heate...
patent · · added 2 months ago
A microcavity apparatus and systems for maintaining microcavity spacing over a macroscopic area. An application of this invention is a microscale generator. This microscale generat...
patent · · added 2 months ago
A thermally integrated burner/emitter/recuperator (BER) for a thermophotovoltaic (TPV) electric generator achieves improved energy efficiency using either liquid or gaseous fuels....
patent · · added 2 months ago
An electric energy supply system for a vehicle includes a power output shaft electric power generation unit and an exhaust gas electric power generation unit for generating electri...
patent · · added 2 months ago
An optical parameter oscillator system is proposed for use in a continuous wave pump laser system having a single-frequency pump source. The system comprises a single-resonance res...
patent · · added 2 months ago
A heterostructure thermionic cooler and a method for making thermionic coolers, employing a barrier layer of varying conduction bandedge for n-type material, or varying valence ban...
patent · · added 2 months ago
A heterostructure thermionic cooler and a method for making thermionic coolers, employing a barrier layer of varying conduction bandedge for n-type material, or varying valence ban...
patent · · added 2 months ago
A hydrocarbon fired room heater with thermophotovoltaic electric generator has high power outputs without cell overheating and failure. The unit includes a burner for generating a...
patent · · added 2 months ago
There is disclosed a compound semiconductor light-emitting device of gallium nitride series having high reliability, which can be operated by a low threshold current and a low oper...
patent · · added 2 months ago
The invention provides methods, compositions, and apparatus for performing sensitive detection of analytes, such as biological macromolecules and other analytes, by labeling a prob...
patent · · added 2 months ago
A semiconductor laser is produced by forming a laser activation section and a light emitting section having an InGaAsP layer as a quantum well on a GaAs substrate according to meta...
patent · · added 2 months ago
A miniature power source assembly capable of providing portable electricity is provided. A preferred embodiment of the power source assembly employing a fuel tank, fuel pump and co...
patent · · added 2 months ago
A miniature thermo-photovoltaic (TPV) device for generation of electrical power for use in portable electronic devices. A TPV power source is constructed to provide a heat source c...
patent · · added 2 months ago
A structure of periodically varying density is provided, that acts as a phonon resonator for phonons capable of participating in phonon-electron interactions. Specifically, a phono...
patent · · added 2 months ago
Chromatic and polarization dispersion and transmitter frequency chirp are the dominant data rate limiting factors for high-speed, long distance communication systems. To overcome s...
patent · · added 2 months ago
A field effect transistor and a piezoelectric sensor are positioned between layers of silicon and aluminum to function as a bimetallic electromechanical transducer. The transducer...
patent · · added 2 months ago
A metal/semiconductor junction Schottky diode optical device using a distortion grown layer is described. A plurality of GaAs mirror and AlAs mirror layers are periodically grown o...
patent · · added 2 months ago
A semiconductor laser exhibiting an oscillation wavelength of 450 nm or less and comprising a substrate, a lower clad layer formed on or above the substrate and mainly composed of...
patent · · added 2 months ago
A pump comprising a chamber and a transducer. The chamber receives a medium to be pumped. The chamber has first and second ends and an inlet and an outlet. The transducer is dispos...
patent · · added 2 months ago
A fuel injection system for an engine having a cylinder, a piston in the cylinder, and an inlet port at the cylinder comprising a fuel inlet passage communicating with the inlet po...
patent · · added 2 months ago
The invention describes the particles comprising an energy donor as a first component and a fluorescent dye as a second component positioned in said particles at an energy exchangi...
patent · · added 2 months ago
Particles comprising an energy donor as a first component and a fluorescent dye as a second component positioned in said particles at an energy exchanging distance from one another...
patent · · added 2 months ago
Particles and methods for the detection or visualization of analytes using fluorescence energy transfer. Particles comprising an energy donor as a first component and a fluorescent...
patent · · added 2 months ago
Method and apparatus for igniting an air/fuel spray (26) comprised of fuel droplets. The apparatus includes a coherent optical source (12) for introducing at least one pulse of coh...
patent · · added 2 months ago
The invention provides methods, compositions, and apparatus for performing sensitive detection of analytes, such as biological macromolecules and other analytes, by labeling a prob...
patent · · added 2 months ago
The invention provides methods, compositions, and apparatus for performing sensitive detection of analytes, such as biological macromolecules and other analytes, by labeling a prob...
patent · · added 2 months ago
The invention provides methods, compositions, and apparatus for performing sensitive detection of analytes, such as biological macromolecules and other analytes, by labeling a prob...
patent · · added 2 months ago
The invention provides methods, compositions, and apparatus for performing sensitive detection of analytes, such as biological macromolecules and other analytes, by labeling a prob...
patent · · added 2 months ago
The invention provides methods, compositions, and apparatus for performing sensitive detection of analytes, such as biological macromolecules and other analytes, by labeling a prob...
patent · · added 2 months ago
The invention provides methods, compositions, and apparatus for performing sensitive detection of analytes, such as biological macromolecules and other analytes, by labeling a prob...
