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Results 1901–1925 of 2,476

Robust power detector for wideband signals among many single tone signals
Patent • #9,912,420. 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 power detector for wideband signals among many single tone signals
Patent • #10,171,189. 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 • #9,562,560. 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 • #8,308,203. 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 • #7,352,176. 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 • #9,759,263. 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 • #10,288,121. 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...

Ruggedized downhole tool for real-time measurements and uses thereof
Patent • #9,863,243. The present invention relates to ruggedized downhole tools and sensors, as well as uses thereof. In particular, these tools can operate under extreme conditions and, therefore, allow for real-time measurements in geothermal reservoirs or other potentially harsh environments. One exemplary sensor includes a ruggedized ion selective electrode (ISE) for...

Sacrificial plastic mold with electroplatable base
Patent • #6,422,528. A sacrificial plastic mold having an electroplatable backing is provided. One embodiment consists of the infusion of a softened or molten thermoplastic through a porous metal substrate (sheet, screen, mesh or foam) and into the features of a micro-scale molding tool contacting the porous metal substrate. Upon demolding, the...

Sacrificial plastic mold with electroplatable base
Patent • #6,929,733. A sacrificial plastic mold having an electroplatable backing is provided. One embodiment consists of the infusion of a softened or molten thermoplastic through a porous metal substrate (sheet, screen, mesh or foam) and into the features of a micro-scale molding tool contacting the porous metal substrate. Upon demolding, the...

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...

Sample preparation system for microfluidic applications
Patent • #7,213,473. An apparatus that couples automated injection with flow feedback to provide nanoliter accuracy in controlling microliter volumes. The apparatus comprises generally a source of hydraulic fluid pressure, a fluid isolator joined to the outlet of the hydraulic pressure source and a flow sensor to provide pressure-driven analyte metering. For...

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...

SAR image formation with azimuth interpolation after azimuth transform
Patent • #7,397,418. Two-dimensional SAR data can be processed into a rectangular grid format by subjecting the SAR data to a Fourier transform operation, and thereafter to a corresponding interpolation operation. Because the interpolation operation follows the Fourier transform operation, the interpolation operation can be simplified, and the effect of interpolation errors...

SARS-CoV-2 variant nanobodies and constructs comprising such nanobodies
Patent • #12091446. 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 • #8,687,674. 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.times.m which can be very long (e.g....

ScAIN etch mask for highly selective etching
Patent • #10,651,048. 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 • #7,995,191. 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 • #7,420,656. 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 • #7,495,748. 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,...

Scanning method for screening of electronic devices
Patent • #10,094,874. A visualization method for screening electronic devices is provided. In accordance with the disclosed method, a probe is applied to a grid of multiple points on the circuit, and an output produced by the circuit in response to the stimulus waveform is monitored for each of multiple grid points...
Results 1901–1925 of 2,476