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Results 1426–1450 of 1,895

Robust power detector for wideband signals among many single tone signals

Patent • #US9912420B1. Various technologies for isolating a signal of interest from signals received contemporaneously by an antenna are described herein. A time period for which a signal of interest is present in a second signal can be identified based upon ratios of values of the second signal to the mean value...

Robust tilt and lock mechanism for hopping actuator

Patent • #US9562560B1. A tilt and lock apparatus that includes a tilt servomechanism, a spiral torsion spring, a lock wheel, and a lock hook is described herein. The spiral torsion spring is mechanically coupled to the tilt servomechanism and the lock wheel (which includes an opening). When a shaft is positioned through...

Rotary mechanical latch

Patent • #US8308203B1. A rotary mechanical latch for positive latching and unlatching of a rotary device with a latchable rotating assembly having a latching gear that can be driven to latched and unlatched states by a drive mechanism such as an electric motor. A cam arm affixed to the latching gear interfaces...

Rotary-Cooled Solid-State Lighting

Featured Opportunity • A novel solid-state lighting (SSL) architecture that addresses several longstanding technical challenges in SSL luminaires RCSSL improves upon the groundbreaking thermal management performance of the R&D 100 Editors’ Choice award-winning Sandia Cooler by situating an LED array directly on a rotating heat-sink-impeller, thereby eliminating the air gap thermal interface of...

Rotating concave eddy current probe

Patent • #US7352176B1. A rotating concave eddy current probe for detecting fatigue cracks hidden from view underneath the head of a raised head fastener, such as a buttonhead-type rivet, used to join together structural skins, such as aluminum aircraft skins. The probe has a recessed concave dimple in its bottom surface that...

Rotation flexure with temperature controlled modal frequency

Patent • #US10288121B2. A flexure bearing includes an inner race, an outer race, and a plurality of substantially planar radially extending blades coupled between the inner and outer race. The blades have a thickness that is thinner than a thickness of the inner and outer races. The inner race, outer race, and...

Rotation flexure with temperature controlled modal frequency

Patent • #US9759263B1. A flexure bearing includes an inner race, an outer race, and a plurality of substantially planar radially extending blades coupled between the inner and outer race. The blades have a thickness that is thinner than a thickness of the inner and outer races. The inner race, outer race, and...

RuBisCo

Featured Opportunity • A high-quality feedstock to address scaling and sustainability challenges associated with the growing global demand for protein Global demand for high quality digestible protein is expected to substantially outpace population growth over the coming decades. RuBisCo (Ribulose-1,5-bisphosphate carboxylase-oxygenase) is the photosynthetic enzyme in the green leaves of plants and is...

Sagnac Optomechanical Gyroscope

Featured Opportunity • A miniaturized gyroscope with improved sensitivity and performance for navigation applications requiring low-cost and reduced power devices Gyroscopes are important for applications in navigation, guidance, and control. Ideally, gyroscopes are accurate, stable, low cost, low power, and small weight and size, in some cases with high dynamic range. Many of...

Sandia Decon Formulation for Mitigation and Decontamination of Chemical and Biological Agents

Featured Opportunity • Sandia Decon Formulation co-developer Maher Tadros demonstrates application of the formulation from a pressurized canister. The foam could be sprayed from handheld canisters or from trucks, or it could be incorporated into high-profile government military buildings. The formulation is non-toxic. Protective clothing is required to protect decontamination personnel from chemical...

SARS-CoV-2 variant nanobodies and constructs comprising such nanobodies

Patent • #US12091446B1. A large and highly diverse nanobody library was constructed and screened against multiple variants of SARS-COV-2 to find nanobodies with high sensitivity and specificity for the variants. Four rounds of positive selection against a panel of six diverse SARS-COV-2 variant RBDs was performed with our high-diversity. At least 59...

SAW correlator spread spectrum receiver

Patent • #US8687674B1. A surface acoustic wave (SAW) correlator spread-spectrum (SS) receiver is disclosed which utilizes a first demodulation stage with a chip length n and a second demodulation stage with a chip length m to decode a transmitted SS signal having a code length l=n×m which can be very long (e.g....

ScAIN etch mask for highly selective etching

Patent • #US10651048B1. A fabrication process employing the use of ScAlN as an etch mask is disclosed. The ScAlN etch mask is chemically nonvolatile in fluorine-based etch chemistries and has a low sputter yield, resulting in greater etch mask selectivity and reduced surface roughness for silicon and other semiconductor materials. The ScAlN...

Scannerless laser range imaging using loss modulation

Patent • #US7995191B1. A scannerless 3-D imaging apparatus is disclosed which utilizes an amplitude modulated cw light source to illuminate a field of view containing a target of interest. Backscattered light from the target is passed through one or more loss modulators which are modulated at the same frequency as the light...

Scannerless loss modulated flash color range imaging

Patent • #US7495748B1. Scannerless loss modulated flash color range imaging methods and apparatus are disclosed for producing three dimensional (3D) images of a target within a scene. Apparatus and methods according to the present invention comprise a light source providing at least three wavelengths (passbands) of illumination that are each loss modulated,...

Scannerless loss modulated flash color range imaging

Patent • #US7420656B1. Scannerless loss modulated flash color range imaging methods and apparatus are disclosed for producing three dimensional (3D) images of a target within a scene. Apparatus and methods according to the present invention comprise a light source providing at least three wavelengths (passbands) of illumination that are each loss modulated,...

Scintillator array for radiation detection

Patent • #US12105231B2. A radiation detector includes a photodetector and a scintillator coupled thereto. The scintillator is formed of a scintillator material comprising an organic glass scintillator (OGS) material and at least one of a polymer additive or a plasticizer additive. The scintillator emits light when radiation is received at the scintillator,...

Scintillator array for radiation detection

Patent • #US11681055B1. A radiation detector includes a photodetector and a scintillator coupled thereto. The scintillator is formed of a scintillator material comprising an organic glass scintillator (OGS) material and at least one of a polymer additive or a plasticizer additive. The scintillator emits light when radiation is received at the scintillator,...

Screening portal, system and method of using same

Patent • #US8429987B1. A portal, system and method for screening an object for a target substance is provided. The portal includes an inflatable bladder expandable to form a test space for receiving the object and a plurality of nozzles positioned about the inflatable bladder. The nozzles are in fluid communication with a...

Screening system and method of using same

Patent • #US8695443B1. An integrated apparatus and method for screening an object for a target material is provided. The integrated apparatus comprises a housing and an integrated screener. The housing is positionable adjacent the object, and has a channel therethrough. The integrated screener is positionable in the housing, and comprises a fan,...

Seal assembly with anti-rotation pin for high pressure supercritical fluids

Patent • #US8794634B1. A seal assembly for sealing a machine with a first chamber and a second chamber is provided. A rotating shaft extends through the first and second chambers, and rotates therein. The seal assembly has a seal housing, a seal ring and a seal pin. The seal housing is positionable...

Sealed micro gas chromatography columns and methods thereof

Patent • #US10151732B1. The present application relates to microfabricated columns having a sealed flow channel. In particular, the channel is sealed during dicing, thereby preventing debris from accumulating within channels. In use, the seal is ruptured mechanically to connect one or more fluidic connections, which deliver analytes to the flow channel. Additional...

Searches over graphs representing geospatial-temporal remote sensing data

Patent • #US9911039B1. Various technologies pertaining to identifying objects of interest in remote sensing images by searching over geospatial-temporal graph representations are described herein. Graphs are constructed by representing objects in remote sensing images as nodes, and connecting nodes with undirected edges representing either distance or adjacency relationships between objects and directed...

Second harmonic generation in resonant optical structures

Patent • #US9865987B1. An optical second-harmonic generator (or spontaneous parametric down-converter) includes a microresonator formed of a nonlinear optical medium. The microresonator supports at least two modes that can be phase matched at different frequencies so that light can be converted between them: A first resonant mode having substantially radial polarization and...
Results 1426–1450 of 1,895