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Light-guide coupler for modulating angular and spatial distributions of
A light-guide coupler for modulating angular and spatial distributions of a light source is provided. The light-guide coupler includes a transmission body and a...
Spread illuminating apparatus
A spread illuminating apparatus includes a light source that emits white light, and a light guide plate including an incident light surface which is an end...
Backlight module and display device
A backlight module and a display device comprise: a light guide plate; a LED light bar including a plurality of LED lamps arranged at intervals at a side of the...
Spread illuminating apparatus
A spread illuminating apparatus includes a point light source with a light-emitting surface, a circuit board with a mounting surface on which the point light...
Light emitting device
To provide a light emitting device that makes it possible to form a surface light emitting apparatus of less unevenness in luminance. The light emitting device...
Linear light source module and optical touch device with the same
A linear light source module includes a mirror light guide component and a light emitting component. The mirror light guide component has a light emitting end,...
Photosensitive resin composition and color filter
The invention discloses a photosensitive resin composition and a color filter. The photosensitive resin composition comprises, by weight of the photosensitive...
Protective film for polarizing plate, polarizing plate and liquid crystal
A protective film for polarizing plate contains a resin, an ultraviolet absorbing agent A having an absorption maximum in a wavelength range of from 350 to 400...
Diffraction element and method of manufacturing diffraction element
Provided is an immersion diffraction element that prevents decrease of diffraction efficiency thereof so as to satisfy optical performance. A reflection type...
Described is a security document with a transparent security element (12) which is arranged in a window or in a transparent region of the security document and...
Cube corner retroreflective sheeting having channels
Retroreflective sheeting comprising cube corner microstructure and having channels substantially parallel to a longitudinal, peripheral edge of the sheeting.
A display apparatus includes at least a light source, a display element, and an isotropic diffusion layer. When .theta..sub.0 is an emission angle at which...
Low refractive index diffuser element having interconnected voids
An optical diffuser layer includes a binder, a plurality of metal oxide particles dispersed in the binder, and a plurality of interconnected voids. A plurality...
Hybrid grin diffractive optics
In one embodiment, an optical imaging system is disclosed incorporating at least two gradient refractive index optical elements of a plurality of gradient...
Lens optical element and display apparatus
A lens optical element including an on-chip lens with a convex surface formed at a top part of a column-shaped portion; and a light emitting surface disposed in...
Near-infrared absorptive composition, near-infrared cut filter using
near-infrared absorptive composition,...
Provided is a near-infrared absorptive compositions capable of reducing unevenness in the coated surface profile and variation in near-infrared absorptive...
Narrow-band frequency filters and splitters, photonic sensors, and
cavities having pre-selected cavity modes
Waveguides and electromagnetic cavities fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. Devices comprising...
Petrophysical method for predicting shear strength anisotropy in
fine-grained rock formations
Method and system is described for modeling one or more geophysical properties of a subsurface volume. In one example, a method for predicting strength...
Method for monitoring seafloor movements
Seafloor movements are monitored by measuring the ambient seawater pressure at a plurality of locations adjacent to the seafloor using asynchronous pressure...
Presence detection using split beam luminaire
The invention relates to a method for determining presence of objects in an area (207) surrounding a luminaire (200). The luminaire (200) includes a first light...
Optical couplers used in a downhole splitter assembly
Techniques and apparatus are provided for downhole sensing using optical couplers in a downhole splitter assembly to split interrogating light signals into...
Radiation detector, processor module, and methods of detecting radiation
and well logging
A control module for a radiation detector can be configured to use a first pulse shape discrimination technique at a first state, and use a second pulse shape...
High energy X-ray inspection system using a fan-shaped beam and collimated
This invention provides a scanning system for scanning an object in a scanning zone. The scanning system includes both a radiation source arranged to irradiate...
A geomagnetic sensor includes: a core that constitutes a closed magnetic circuit; a pair of coils that are wound around the core in positions facing each other...
Downhole differentiation of light oil and oil-based filtrates by NMR with
Downhole nuclear magnetic resonance (NMR) methods that utilize oleophilic nanoparticle may allow for differentiation of light oil and oil-based filtrates. For...
Tool for azimuthal resistivity measurement and bed boundary detection
Systems and methods for performing bed boundary detection and azimuthal resistivity logging with a single tool are disclosed. Some method embodiments include...
Methods for determining dielectric permittivity spectrum of underground
Techniques involve determining the frequency-dependent dielectric permittivity spectrum of a rock sample. Determining the frequency-dependent dielectric...
Monitoring the dipole moment vector of an airborne electromagnetic survey
An airborne electromagnetic survey system that monitors the dipole moment. A TDEM system includes a flexible transmitter loop and a receiver having three...
Image-based mapping locating system
A locator system for locating buried utilities such as conduits, cables, pipes or wires incorporates image-capturing and position and orientation measuring...
Drilling dynamics monitor
Procedures are described for monitoring dynamics along a drill string during the drilling process using only surface instrumentation or using a combination of...
Disposable antifouling covers for geophysical survey equipment
Disposable antifouling covers for geophysical survey equipment. At least of example embodiments are methods including deploying marine geophysical survey...
Seismic geophysical surveying
The present invention relates to an apparatus for use in geophysical surveying. Geophysical surveying typically involves stimulating an area of interest with a...
Seismic data processing including compensating for source and receiver
ghost effects in reverse time migration
Methods and systems for compensating for source and receiver ghost effects in a reverse time migration (RTM) equation are described. Boundary conditions...
Apparatus for correcting the timing function in a nodal seismic data
A wireless seismic data acquisition unit with a wireless receiver providing access to a common remote time reference shared by a plurality of wireless seismic...
Identifying orientation clusters from microseismic data
Systems, methods and software can be used for analyzing microseismic data from a subterranean zone. In some aspects, a plurality of basic planes are each...
Method for acquiring seismic data
Receiver lines arranged in an area to be explored are provided with geophones in respective receiver positions for measuring seismic waves from the subsoil. The...
System and method for on-site instant seismic analysis
A system and method instantly on-site analyze seismic acceleration signals measured from a primary wave of an earthquake and at a detecting site. The system...
Apparatus and method for the determination of one or more neutron source
A neutron detection system includes a plurality of neutron detector assemblies, the neutron detector assemblies including a plurality of neutron detection...
An apparatus is described. The apparatus comprising a gamma-ray spectrometer arranged to receive gamma-rays from a calibration source, the gamma-ray...
Radiation detection system and method of analyzing an electrical pulse
output by a radiation detector
A radiation detection system can include a photosensor to receive light from a scintillator via an input and to send an electrical pulse at an output in...
Radiation detecting apparatus
A radiation detecting apparatus includes a radiation detector including a scintillator for converting radiation that has passed through a subject into visible...
Radiographic image detection device
A monocoque-structured housing accommodates a photoelectric conversion panel, a scintillator, and a circuit board in this order from an X-ray incidence side....
Processing of signals to provide a delay Doppler map
An apparatus is disclosed for processing a sequence of samples of a received signal R reflected by a target surface and having a delay and a frequency shift...
Timed-based ephemeris identity in assistance data and assistance data
A module (software or ASIC) for use in a serving mobile Location Center (SMLC) or a mobile station having a GPS receiver (or an A-GPS receiver) for determining...
Machine positioning system utilizing relative pose information
A system and method for estimating a position of a machine is disclosed. The method may include determining a first position estimate and a first uncertainty...
Automatic range corrected flash ladar camera
A three dimensional imaging camera comprises a system controller, pulsed laser transmitter, receiving optics, an infrared focal plane array light detector, and...
Time-of-flight camera with signal path monitoring
A time-of-flight camera, having a time-of-flight sensor, which has at least one receiving pixel and is configured as a photomixing detector, having an...
Three-dimensional tomographic imaging camera based on compressive sensing
A detection apparatus and method for FMCW LIDAR employ signals that are modified so that low-cost and low-speed photodetector arrays, such as CCD or CMOS...
Laser projected acoustic sensor apparatus and method
A plurality of lasers produces a lattice of projected points. A sensor system detects movement in the projected points in response to an incoming wave.
System and method for target doppler estimation and range bias
compensation using high duty cycle linear...
A method involves using an echo-ranging system to transmit a continuously repeating linear frequency modulated (LFM) signal through a propagation medium and...