28th week of 2022 patent applcation highlights part 38 |
Patent application number | Title | Published |
20220221600 | RADIATION DETECTOR - A radiation detector comprising a transistor, e.g. a FET, formed of one or more organic semiconductor materials having a neutron sensitizer element dispersed therein. The sensitizer element is one or more elements selected from the group consisting of boron, cadmium, lithium and gadolinium. The semiconductor device comprises a diode, a transistor (e.g. a Field Effect Transistor) or a non-rectifying, symmetric, semiconductor device. The organic semiconductor materials comprise a donor organic semiconductor material and an acceptor organic semiconductor material or a combination of organic and inorganic donor- acceptor materials. | 2022-07-14 |
20220221601 | FAST NEUTRON DETECTOR-Photovoltaic Sheet materials - Fast neutron detectors using nuclear reactions within semiconductor sheet material. Some versions used doped versions of the material. Some versions use dopants selected from Ba, As, Br, C, Ce, Cl, Co, Cu, F, Ga, Ge, In, Cd, Te, Al, P, K, La, Mo, Nd, O, Os, Pr, S, Se, Si, Sn, Sr, Ti, Tl, V, Zn, and Zr. Some versions have filters or coatings deposited on windows into the detector. Coatings are selected from titanium oxide, zinc oxide, tin oxide, copper indium gadolinium selenide, cadmium telluride, cadmium tin oxide, perovskite photovoltaic, Si, GaAs, AlP, Ge. | 2022-07-14 |
20220221602 | SYSTEM FOR ACQUIRING SEISMIC DATA - A distributed acoustic sensing system for acquiring seismic data is presented. The system includes a sensing cable and an instrument float. The sensing cable is for sensing seismic waves and is suitable for use on the seabed. The instrument float includes instrumentation for acquiring seismic data. The instrument float is connectable or connected to the sensing cable via a riser cable. | 2022-07-14 |
20220221603 | FULL-WAVEFORM INVERSION USING PARTIAL TIME SHIFTS AND ENHANCED KINEMATIC TRANSFORMS - A permutation that optimizes correspondence between the seismic data and the simulated data is computed using a graph space optimal transport formulation-based misfit. The seismic data or simulated data are transformed into auxiliary data by applying a portion of time shifts computed from the optimal permutation before updating the structural model of the explored underground formation. The full-waveform inversion minimization of the distance between auxiliary data and the seismic data or simulated data to which partial time shifts have not been applied, may be embedded in a Kantorovich-Rubinstein norm. | 2022-07-14 |
20220221604 | METHOD OF ANALYSING SEISMIC DATA - A method of analysing seismic data from a geological structure. The method includes determining a set of tiles from a data cube of seismic data and determining which tiles of the set of tiles can be grouped into one or more patches of tiles. | 2022-07-14 |
20220221605 | DECOMPACTION OF SUBSURFACE REGION USING DECOMPACTION VELOCITY - The thickness of subsurface layers if they had remained as they were prior to compaction may be estimated by restoring the volume of void space lost during compaction. Decompacted depths below seafloor, the depths the layers would be if compaction had not occurred, may be determined for the layers. A surrogate decompaction velocity may then be determined by dividing the decompacted depths by the travel times of acoustic waves that reflect off layers within the subsurface region. The decompaction velocity may be used in post-processing of acoustic data to produce a decompacted digital representation of the subsurface region. The decompacted digital representation may be used to directly interpret the thickness of layers prior to compaction, sedimentation rates over time, fault offsets, and other phenomena distorted by compaction. | 2022-07-14 |
20220221606 | SEISMIC VELOCITY MODELING - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining a velocity model for a geological region. In one aspect, a method comprises: obtaining a current velocity model for the geological region; obtaining pre-stack and post-stack seismic data characterizing the geological region; and for each of a plurality of iterations: identifying a plurality of reflection events from the post-stack seismic data and the current velocity model; determining a respective observed travel time for each of the plurality of reflection events, comprising, for each reflection event, determining the respective observed travel time for the reflection event based at least in part on kinematic features derived from a respective seismic trace included in the pre-stack seismic data; and updating the current velocity model based at least in part on the observed travel times of the plurality of reflection events. | 2022-07-14 |
20220221607 | SEISMIC ATTRIBUTE MAP FOR GAS DETECTION - A method of obtaining a relative amplitude preserved seismic volume acquired in a time-domain for a subterranean region of interest and transforming it into a low-frequency monospectral amplitude volume. The method further determines a seismic attenuation volume from the relative amplitude preserved seismic volume acquired in the time-domain. Furthermore, the method generates a low-frequency monospectral amplitude map for a surface of interest by averaging the low-frequency monospectral amplitude volume over a depth-window around the surface of interest, and generates a seismic attenuation map for a surface of interest by averaging the seismic attenuation volume over a depth-window around the surface of interest. The method further determines an attribute map based on the seismic attenuation map and the low-frequency monospectral amplitude map for the surface of interest, and determines a presence of gas in the subterranean region of interest based on the attribute map. | 2022-07-14 |
20220221608 | METHODS FOR SIMULTANEOUS SOURCE SEPARATION - A multi-stage inversion method for deblending seismic data includes: a) acquiring blended seismic data from a plurality of seismic sources; b) constructing an optimization model that includes the acquired blended seismic data and unblended seismic data; c) performing sparse inversion, via a computer processor, on the optimization model; d) estimating high-amplitude coherent energy from result of the performing sparse inversion in c); e) re-blending the estimated high-amplitude coherent energy; and f) computing blended data with an attenuated direct arrival energy. | 2022-07-14 |
20220221609 | SEISMIC DATA PROCESSING USING DUnet - A DUnet engine produces a processed image of seismic data acquired over an underground formation. The DUnet engine includes: a contractive path that performs multilayer convolutions and contraction to extract a code from the seismic data input to the DUnet, an expansive path configured to perform multilayer convolutions and expansion of the code, using features provided by the contractive path through skip connections, and a model level that performs multilayer convolutions on outputs of the contractive path and expansive paths to produce the processed image and/or an image that is a difference between the processed image and the seismic data. A fraction of the seismic data may be selected for training the DUnet engine using an anchor method that automatically extends an initial seismic data subset, based on similarity measurements. A reweighting layer may further combine inputs received from layers of the DUnet model to preserve signal amplitude trend. | 2022-07-14 |
20220221610 | Metal Detector - Provided is a body of a hand-held metal detector which includes an elongated body with a first and second end; and a first connecting structure moulded directly onto the elongated body at the first end through an injection moulding process. The connecting structure includes an engaging portion configured to engage at least one attachment of the hand-held metal detector, such that the at least one attachment is supported by the elongated body through the connecting structure moulded directly onto the elongated body. | 2022-07-14 |
20220221611 | CIRCUIT, TRANSMISSION SYSTEM AND METHOD FOR DETERMINING PROXIMITY OF AN OBJECT - A circuit includes a sensing circuit for a first antenna and a second antenna, the sensing circuit including an adjustable characteristic that is based on a proximity of an object to the first or second antenna used to transmit a transmit signal. An evaluation circuit is coupled to the sensing circuit. The evaluation circuit is configured to monitor the characteristic of the sensing circuit and to determine whether the characteristic fulfills a predetermined criterion. | 2022-07-14 |
20220221612 | DEVICE AND METHOD FOR REDUCING TURN-OFF TIME OF TRANSIENT ELECTROMAGNETIC TRANSMITTING SIGNAL - A device for reducing turn-off time of a transient electromagnetic transmitting signal includes a transmitting coil, a first electronic switch to control connection mode of the transmitting coil and a second electronic switch configured to form a bridge arm. The transmitting coil is a twisted pair including a first wire and a second wire. The first wire is connected to one end of the second electronic switch. The other end of the second electronic switch is connected to one end of the first electronic switch. The other end of the first electronic switch is connected to the second wire. The connection mode of the transmitting coil includes head-to-head connection, head-to-tail connection and tail-to-tail connection between the first wire and the second wire. The first wire and the second wire are connected to form a transmitting loop. | 2022-07-14 |
20220221613 | OCEAN BOTTOM ELECTROMAGNETIC ACQUISITION STATION COMMUNICATION APPARATUS AND METHOD - Disclosed is an ocean bottom electromagnetic acquisition station communication apparatus and method. The ocean bottom electromagnetic acquisition station communication apparatus includes: ocean bottom electromagnetic acquisition stations ( | 2022-07-14 |
20220221614 | Analysis method, system and storage media of lithological and oil and gas containing properties of reservoirs - The present invention discloses an analysis method, system and storage medium of lithology and oil and gas containing properties of reservoirs, by getting spectral structure modes of logging signals of different lithological bands and different oil and gas containing strata with CWTFT algorithms from frequency spectral structural relationships between different chords in music by analogy; summarizing features of spectral structure modes of same lithology in different wells, and getting a spectral change law of rocks, and identifying lithology of unknown rocks; and analyzing characteristics of reservoirs from identified lithology, finding and comparing spectral change characteristics of oil and gas strata in different wells to predict oil and gas reservoirs. The present invention combines spectral response characteristics of logging curves of different lithology, improves accuracy and efficiency of lithology and reservoir features interpretation work and provides new theoretical support and practical experience for deep oil and gas reservoir prospection and development. | 2022-07-14 |
20220221615 | RESERVOIR TURNING BANDS SIMULATION WITH DISTRIBUTED COMPUTING - A reservoir model for values of a formation property is simulated using a turning bands method with distributed computing. A distributed computing system simulates the reservoir on separate machines in parallel in several stages. First, line distributions are simulated independently on turning bands. The reservoir model is partitioned into tiles and unconditional simulations are run on each tile in parallel using the corresponding simulated turning bands. The unconditional simulations within each tile are conditioned on known formation values to generate conditional simulations. Conditional simulations are aggregated across tiles to create the simulated reservoir model. | 2022-07-14 |
20220221616 | LANDFALLING EVENT ATMOSPHERIC RIVER NEURAL NETWORK (LEARN2) FORECAST TOOL - The invention describes a new and improved weather forecasting model which utilizes neural networks to execute equations which use timed inputs from current weather forecasting models to produce more accurate weather predictions. By innovatively combining several independent techniques through Machine Learning (ML), the LEARN | 2022-07-14 |
20220221617 | CURVED SURFACE FILMS AND METHODS OF MANUFACTURING THE SAME - An optical element including an optically transparent lens which defines a curved surface having a steepness given by an R/# of from about 0.5 to about 1.0. A film is positioned on the curved surface. The film includes an index layer. A composite layer is positioned on the curved surface having a refractive index greater than the index layer. The composite layer includes HfO | 2022-07-14 |
20220221618 | LENS PROTECTION STRUCTURE AND ELECTRONIC DEVICE HAVING LENS PROTECTION STRUCTURE - A lens protection structure includes a base, a polyester film, a first silica gel, a second silica gel, and a protective cover. Each of the base, the polyester film, the first silica gel, and the second silica gel defines a through hole for cooperatively receiving a lens. The polyester film is coupled to a surface of the base, and the first silica gel is coupled to a surface of the base opposite the polyester film. The second silica gel is coupled to the polyester film. The protective cover is coupled to the second silica gel and seals a receiving cavity within the base. At least one air escape channel is defined in the base. The at least one air escape channel communicates the receiving cavity of the base to an exterior of the lens protection structure. | 2022-07-14 |
20220221619 | MATERIALS FOR FORMING A NUCLEATION-INHIBITING COATING AND DEVICES INCORPORATING SAME - An opto-electronic device includes a nucleating inhibiting coating (NIC) disposed on a first layer surface of the device in a first portion of a lateral aspect thereof; and a conductive coating disposed on a second layer surface of the device in a second portion of the lateral aspect thereof; wherein an initial sticking probability for forming the conductive coating onto a surface of the NIC in the first portion, is substantially less than the initial sticking probability for forming the conductive coating onto the surface in the second portion, such that the surface of the NIC in the first portion is substantially devoid of the conductive coating. | 2022-07-14 |
20220221620 | EYEGLASS LENS PROTECTOR SYSTEM - An eyeglass lens protector system including a transparent protective film having a first-layer, a second-layer, and a third-layer. The first-layer and the third-layer are removeable from the second-layer. The second-layer is configured to removeably adhere to a lens-surface and provide a protective barrier to protect against smudging, scratching, and breaking of the lens-surface. The transparent protective film may also be applied to electronic device screens or other surfaces. | 2022-07-14 |
20220221621 | FRESNEL LENS AND IMAGE OBSERVING DEVICE - There is provided a Fresnel lens capable of restraining flare from occurring. Each of a plurality of prisms ( | 2022-07-14 |
20220221622 | ELECTRONIC LENS, ELECTRONIC DEVICE AND METHOD - The present disclosure pertains to an electronic lens including a control and a liquid lens area. The liquid lens area includes a liquid lens layer configured to provide a lens portion in response to an electric signal applied to the liquid lens area. The control is configured to obtain a touch operation on a touch screen and to apply, in response to the obtained touch operation, an electric signal to the liquid lens area for providing the lens portion. | 2022-07-14 |
20220221623 | IMAGING LENS ASSEMBLY, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE - An imaging lens assembly has an optical axis, and includes a plurality of optical elements. The optical elements include a light blocking sheet, and the light blocking sheet includes a through hole surface, a first surface, a second surface, a peripheral surface and a plurality of basin structures. The through hole surface surrounds the optical axis. The first surface and the second surface are connected to and surround the through hole surface. The peripheral surface is connected to the first surface and the second surface, and the peripheral surface is farther from the optical axis than the through hole surface from the optical axis. The basin structures are arranged in interval and around the optical axis, each of the basin structures is caved in from the first surface to the second surface, and each of the basin structures protrudes on the second surface. | 2022-07-14 |
20220221624 | HIGH TRANSMISSION LIGHT CONTROL FILMS WITH ASYMMETRIC LIGHT OUTPUT - Light control films comprise a light input surface and alight output surface opposite the light input surface and alternating transmissive regions and absorptive regions disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30 and are canted in the same direction. The alternating transmissive regions and absorbing regions have a maximum relative transmission at a viewing angle other than 0 degrees. | 2022-07-14 |
20220221625 | OPTICAL ELEMENT DRIVING MECHANISM - The present disclosure provides an optical element driving mechanism, which includes a movable part, a fixed assembly, and a driving assembly. The movable part is configured to be connected to an optical element. The fixed assembly has an opening for allowing a light beam along an optical axis to pass, and the movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly. The optical element driving mechanism further includes a recovery assembly configured to position the movable part in a first position when the movable part is not driven by the driving assembly. | 2022-07-14 |
20220221626 | COMPOSITE LAMINATE FOR TRANSPARENT ELEMENTS WITH DIFFUSE REFLECTION - A composite laminate makes it possible to obtain transparent layered elements with diffuse reflection that can be used in esthetic and/or antireflection glazings, or even in transparent projection screens. The composite laminate includes an organic polymeric support, a layer and a first transparent organic polymeric substrate. The dielectric layer is disposed between the support and the substrate. The dielectric layer has a refractive index greater than the refractive index of the first substrate. The adhesive energy between the dielectric layer and the support is less than the adhesive energy between the dielectric layer and the substrate. | 2022-07-14 |
20220221627 | COMPOSITE COOLING FILM AND ARTICLE INCLUDING THE SAME - A composite cooling film ( | 2022-07-14 |
20220221628 | RETROREFLECTIVE COMPOSITE REFLECTIVE MICROSPHERES AND REFLECTIVE INORGANIC MATERIAL - A robust sintered retroreflective composite comprising, a core bead, a peripheral bead, and an interphase coating. The bead can be used in typical retroreflective indicia and uses. | 2022-07-14 |
20220221629 | MANUFACTURING A REFLECTIVE DIFFRACTION GRATING - A grating is provided on a mirror for specularly reflecting and diffracting a grazing-incidence beam of radiation and has a periodic structure with a grating period comprising first (ridge) and second (trench) substructures either side of a sidewall | 2022-07-14 |
20220221630 | METHOD OF FORMING PHOTO-ALIGNMENT FILM AND METHOD OF FORMING LIQUID CRYSTAL LAYER - Provided are a method of forming a photo-alignment film having a large size that can appropriately align a liquid crystal compound can be formed and a method of forming a liquid crystal layer having a large size in which alignment defects of a liquid crystal compound can be suppressed. The method of forming a photo-alignment film includes: an exposure step of irradiating a surface of a photo-alignment film including a photo-alignment material that is formed on a support with interference light formed by intersection of two light components such that the surface of the photo-alignment film is exposed to form, on the photo-alignment film, an alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction; and a moving step of moving the support by a distance D in a direction parallel to the surface of the support and parallel to a straight line formed by optical axes of the two beams, in which the photo-alignment film is exposed by alternately repeating the exposure step and the moving step. Here, the distance D is represented by λ/{2×sin(α/2)}×N−λ/82022-07-14 | |
20220221631 | PARTIALLY ETCHED PHASE-TRANSFORMING OPTICAL ELEMENT - An optical element includes a substrate, an intermediate layer, a topmost layer, and a contiguous multitude of recessed and non-recessed areal regions. The intermediate layer is formed over a top surface of the substrate and has a refractive index n | 2022-07-14 |
20220221632 | SCREEN PROTECTOR - A screen protector configured to be disposed on an attaching body on an electronic device in an attaching mode to correspondingly cover a display screen of the electronic device. The screen protector comprises a grating sheet and a first attaching member disposed vertically adjacent to each other side-by-side and coated between two outer cover films. The screen protector is disposed on the attaching body on the electronic device in an attaching mode through the attaching member, so that a viewing zone defined by the grating sheet correspondingly covers the display screen of the electronic device. | 2022-07-14 |
20220221633 | PHASE RETRIEVAL DETECTION DEVICE AND METHOD BASED ON DIFFRACTION INFORMATION OF FRESNEL ZONE PLATE - A phase retrieval detection device based on diffraction information fusion of a Fresnel zone plate (FZP) ( | 2022-07-14 |
20220221634 | OPTICAL SENSING DEVICE - An optical sensing device is provided. The optical sensing device includes a thin-film transistor, a sensing unit driven by the thin-film transistor, and a filter. Light to be detected passes through the filter before being collected by the sensing unit. The filter reduces the light intensity of the light to be detected in the near-infrared light wavelength band. | 2022-07-14 |
20220221635 | INFRARED FILTER AND THERMAL INFRARED SENSING DEVICE INCLUDING THE SAME - An infrared (IR) filter includes a silicon substrate and a metallic reticulated structure that is disposed on the silicon substrate and that is formed with a plurality of holes for transmitting IR light. Also disclosed is a thermal IR sensing device including the IR filter. The thermal IR sensing device includes a housing defining a vacuum chamber, a thermal IR image detector disposed within the vacuum chamber, and the IR filter coupled to the housing in position away from the thermal IR image detector with the metallic reticulated structure facing the thermal IR image detector. The IR filter allows an incident IR light to transmit therethrough so as to be detected by the thermal IR image detector. | 2022-07-14 |
20220221636 | ENERGY-EFFICIENT WINDOW COATINGS TRANSMISSIBLE TO WIRELESS COMMUNICATION SIGNALS AND METHODS OF FABRICATING THEREOF - Provided are novel energy-efficient signal-transparent window assemblies and methods of fabricating thereof. These window assemblies are specifically configured to allow selective penetration of millimeter waves, representing current and future wireless signal spectrum. This signal penetration is provided while IR blocking properties are retained. Furthermore, the windows assemblies remain substantially transparent within the visible spectrum with no specific features detectable to the naked eye. This unique performance is achieved by patterning conductive layers such that the conductive layer edges remain protected during most fabrication steps and the fabrication. As such, the conductive layers are encapsulated and being separated from the environment while retaining separation between individual disjoined structures of these layers. For example, a barrier layer and/or a dielectric layer may extend over the conductive layer edge. The patterning is achieved by forming spacers on the substrate and depositing a stack over these photoresist structures. The spacers are removed thereafter. | 2022-07-14 |
20220221637 | DISPLAY DEVICE - A display device includes a first substrate, pixel structures, and first, second, and third optical filters. The first substrate has a plurality of pixel regions each including first, second, and third sub-pixel regions. The pixel structures are disposed on the first substrate. The first, second, and third optical filters are disposed to overlap the first, second, and third sub-pixel regions, respectively, on the pixel structures. Each of the first, second, and third optical filters has a tetragon shape. A long axis of the tetragon is parallel to row or column directions of the pixel regions. The third optical filter overlaps a first virtual line located between a side of the first optical filter and a side of the second optical filter which is adjacent to the side of the first optical filter. The first virtual line extends parallel to the sides of the first and second optical filters. | 2022-07-14 |
20220221638 | ELECTRONIC APPARATUS HAVING INK LAYER PRINTED FOR FORMING OPENING ON GLASS SUBSTRATE COVERING DISPLAY PANEL - Disclosed is an electronic apparatus including: a housing; a transparent glass substrate covering at least a portion of the housing, and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a display panel accommodated in the housing, covered with the glass substrate, and including at least one opening configured for light transmission in a display area where an image is displayed; and an ink layer having an opaque color, applied to an opaque area surrounding an edge of the opening to form a light-transmission area corresponding to the opening on the second surface, the ink layer including an inclined area where the ink layer becomes narrower in the second direction from the second surface. | 2022-07-14 |
20220221639 | DISPLAY DEVICE - An embodiment of a display device includes a substrate, a first light-emitting element, and a light control layer. The substrate includes a display area and a peripheral area adjacent to the display area, and the display area includes a light-emitting area and a light-blocking area. The first light-emitting element is disposed in the light-emitting area on the substrate and emits a first light having a first wavelength range. The light control layer is disposed on the first light-emitting element, and defines an opening exposing a portion of the light-emitting area. The light control layer includes a photochromic material such that in operation a second light having a second wavelength range different from the first wavelength range applied to the light control layer discolors the light control layer. | 2022-07-14 |
20220221640 | OPTICAL ELEMENT DRIVING MECHANISM - The present disclosure provides an optical element driving mechanism, which includes a movable part, a fixed assembly, and a driving assembly. The movable part is configured to be connected to an optical element. The movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly. The movable part includes a connecting assembly configured to position the optical element. | 2022-07-14 |
20220221641 | OPTICAL LAMINATE - An optical laminate that does not cause a reddening phenomenon even when driven or maintained under extremely harsh conditions (e.g., very high temperature conditions), or a reddening-resistant layer applied thereto. | 2022-07-14 |
20220221642 | CANOPY LUMINAIRE - A luminaire includes a housing, a light diffusion panel, a reflective surface, and a plurality of light sources. The light diffusion panel includes a light source aperture, an edge surface bounding the light source aperture, and an emission surface. The emission surface includes first and second emission surface sections. The second emission surface section is disposed on an opposite side of the light source aperture from the first emission surface section. The reflective surface is disposed on a side of the light diffusion panel opposite the emission surface. The light sources project light into the light diffusion panel through the edge surface. The light sources include first and second light sources. The first light source projects light into the light diffusion panel and through the first emission surface section. The second light source projects light into the light diffusion panel and through the second emission surface section. | 2022-07-14 |
20220221643 | DISPLAY DEVICE - A liquid crystal display device includes a LCD panel having a first polarizer, a first substrate, a second substrate and a second polarizer are sequentially provided from a front surface side, a frame which surrounds the LCD panel and has a first opening having first to fourth sides, a planar light source disposed on the rear surface side of the LCD panel in the first opening, a plurality of optical sheet groups which are disposed between the planar light source and the LCD panel, and an adhesive layer which has a second opening formed along the first to fourth sides of the frame. A front surface side of the adhesive layer is adhered to the LCD panel along at least the first side, and a rear surface side of the adhesive layer is adhered to the plurality of optical sheet groups and the frame along at least the first side. | 2022-07-14 |
20220221644 | DISPLAY DEVICE - According to one embodiment, a display device includes a display panel having a first side surface extending along a first direction and including a polymer dispersed liquid crystal layer, and a first light emitting module provided along the first side surface. The first light emitting module includes a plurality of first light sources arranged in the first direction, a plurality of second light sources arranged in the first direction, a first light guide provided between the plurality of first light sources and the first side surface, and a second light guide provided between the plurality of second light sources and the first side surface, and an end surface of the first light guide and an end surface of the second light guide face each other with an air layer interposed therebetween. | 2022-07-14 |
20220221645 | 3D PRINTED WAVEGUIDES AND METHOD BASED ON PHOTONIC CRYSTAL FIBERS - An optical waveguide is configured to guide an optical beam, and the optical waveguide includes a down-taper element configured to reduce a diameter of an incoming light beam having a random polarization; a dual-core directional coupler element configured to separate the incoming light beam into a horizontally-polarized beam and a vertically-polarized beam, each beam being confined in first and second cores, respectively; and a core fan-out element configured to increase a distance between the horizontally-polarized beam and the vertically-polarized beam upon exit from the core fan-out element. Each of the down-taper element, the dual-core directional coupler element, and the core fan-out element are 3-dimensional, 3D, printed using a single material. | 2022-07-14 |
20220221646 | INTEGRATED CIRCUIT DEVICE INCLUDING PHOTOELECTRONIC ELEMENT - An integrated circuit (IC) device includes an optical IC substrate, a local trench inside the optical IC substrate, and a photoelectronic element including a photoelectric conversion layer buried inside the local trench. The photoelectric conversion layer is buried inside the local trench in the optical IC substrate to form the photoelectronic element. Thus, the IC device may inhibit warpage of the optical IC substrate. | 2022-07-14 |
20220221647 | METHOD FOR CONFIGURING AND OPTIMISING PROGRAMMABLE PHOTONIC DEVICES BASED ON MESH STRUCTURES OF INTEGRATED OPTICAL WAVE GUIDES - The method object of the invention enables the scalable configuration and performance optimisation to be carried out for programmable optical circuits based on meshed structures, in such a way that they can perform optical/quantum signal processing functions. The object of the invention can be applied in circuits with arbitrary degrees of complexity implemented by means of programming a waveguide mesh. The method object of the invention enables not only the analysis and evaluation of performance to be carried out, but also the subsequent programming and optimisation of programmable optical devices. | 2022-07-14 |
20220221648 | Polarization rotators - The invention concerns a polarization rotator, comprising a first waveguide layer containing at least a first waveguide, said first waveguide having an input end and an output end, a second waveguide layer having at least a second waveguide, said second waveguide having an input end and an output end, and at least a first vertical mirror element arranged at the end of at least one of said waveguides to couple light between the output end of the first waveguide and the input end of the second waveguide. The optical axis of said first or second waveguide which has the vertical mirror element at its end is rotated in its waveguide layer at a first angle in order to induce rotation of polarization of light coupled between said first and second waveguides with an amount that corresponds to said first angle. | 2022-07-14 |
20220221649 | Optical Multiplexing Circuit and Light Source - To provide an optical multiplexing circuit that can accurately monitor light of a plurality of wavelengths, and that can tolerate degradation of LDs. An optical multiplexing circuit includes m sets of multiplexers configured to multiplex light output from n connection waveguides being a plurality of connection waveguides wherein a multiplexing unit configured to input and multiplex light output from the m sets of the multiplexers from m input waveguides, an output waveguide configured to output light multiplexed by the multiplexing unit, and n×m or m branching units being inserted into n×m connection waveguides of the plurality of connection waveguides or the m input waveguides are provided on a same substrate. | 2022-07-14 |
20220221650 | OPTICAL COMPONENTS IN THE BACK-END-OF-LINE STACK OF A PHOTONICS CHIP USING PLURAL CORES VERTICALLY STACKED - Structures including a grating coupler and methods of fabricating a structure including a grating coupler. The structure includes structure includes a dielectric layer on a substrate, a first waveguide core positioned in a first level over the dielectric layer, and a second waveguide core positioned in a second level over the dielectric layer. The second level differs in elevation above the dielectric layer from the first level. The first waveguide core includes a tapered section. The structure further includes a grating coupler having a plurality of segments positioned in the second level adjacent to the second waveguide core. The segments of the grating coupler and the tapered section of the first waveguide core are positioned in an overlapping arrangement. | 2022-07-14 |
20220221651 | CUTTING JIG AND CUTTING METHOD OF OPTICAL FIBER - A cutting jig includes a fixing member for inserting a distal end portion of an optical fiber, and an inclination cutting unit movable with respect to the fixing member for cutting the distal end portion. The distal end portion is defined into a proximal end portion and a free end portion. The inclination cutting unit includes a one end edge of a closing plate and a blade portion incapable of relative movement to each other. The inclination cutting unit can perform a first movement and a second movement that is a greater movement amount than the first movement. The one end edge is brought into contact with the free end portion based on the first movement, and the free end portion moves to be inclined with respect to an extension line EL. A blade edge is brought into contact with the free end portion based on the second movement. | 2022-07-14 |
20220221652 | ON-CHIP OPTICAL SWITCH BASED ON AN ECHELLE GRATING - An on-chip optical switch based on an echelle grating and a phase tuning element is described herein. The phase tuning element may change a refractive index of the material through which an optical signal propagates, thereby causing a change in the angle of propagation of the optical signal. By dynamically tuning the phase change element, the refractive index change may be controlled such that the deviation of the optical signal causes the optical signal to be focused on a particular coupling waveguide out of an array of coupling waveguides. The echelle grating with the active phase change element form a configurable optical switch capable of switching an optical signal between two or more coupling waveguides, that may be respectively connected to different optical signal processing pathways. | 2022-07-14 |
20220221653 | Optical Fiber Adapter with Shutter Assembly - A shutter assembly for a dual polarity fiber optic adapter is provided. The shutter assembly disposed in the dual polarity fiber optic adapter may eliminate dust accumulation and obstruct light beams emission, thus preventing eyes from a user from exposure to the light beams. Furthermore, an extending tab formed in the dual polarity fiber optic adapter may also prevent misplacement of fiber optic connector during installation. | 2022-07-14 |
20220221654 | OPTICAL CONNECTOR - The present invention provides an optical connector comprising an optical receptacle, a coupling terminal, and a coil structure, wherein the optical receptacle has an accommodation space and a positioning structure, the coupling terminal is arranged into the accommodation space, and the coil structure has a first fixing coil and an elastic coil wherein the coupling terminal is inserted into the elastic coil and the first fixing coil is arranged onto the positioning structure. | 2022-07-14 |
20220221655 | REVERSIBLE OPTICAL CONNECTORS AND ASSOCIATED DEVICES, SYSTEMS, AND METHODS - Reversible optical connectors, and associated devices and methods are provided. In one embodiment, a connector for a communication cable includes a housing comprising a cavity, and a first plug and a second plug coupled to a distal portion of the housing. The first and second plugs are connected to the housing such that the first and second plugs are independently rotatable with respect to the housing. The connector further includes a latch actuator coupled to the housing and configured to disengage one or more latches from an outlet. By rotating the plugs 180 degrees and turning the connector over, the relative arrangement or position of the two plugs can be switched or reversed. The plugs can be rotated or reversed without completely disassembling the connector, in some embodiments. Accordingly, embodiments of the present disclosure can improve workflows for a user or operator that in a high-density networking setting. | 2022-07-14 |
20220221656 | MECHANICAL CABLE RELEASE IN TRANSCEIVER - An active device module may include an active device, a housing configured to house the active device, a slide release latch mechanically coupled to the housing via a spring having a spring force that biases the slide release latch in a first position relative to the housing, and connectivity flaps mechanically coupled to the slide release latch via activation levers, wherein when the slide release latch is in the first position and a cable is inserted into the active device module, the connectivity flaps apply a compressive force to either side of the cable to mechanically maintain the cable within the active device module. The housing, the slide release latch, the activation levers, and the connectivity flaps may be arranged such that, when an external force is applied to the slide release latch to overcome the spring force of the spring to cause the slide release latch to move from the first position to a second position relative to the housing, the slide release latch exerts mechanical force on the activation levers, which in turn applies a force to the connectivity flaps, pulling at least a portion of each connectivity flap away from another connectivity flap, thereby reducing the compressive force retaining the cable between the connectivity flaps. | 2022-07-14 |
20220221657 | OPTICAL FIBER END SECURING STRUCTURE AND METHOD OF SECURING OPTICAL FIBER END - An optical fiber end securing structure and a method of securing an optical fiber end are introduced. The optical fiber end securing structure includes a stub component, a substrate and an adhesive component. The stub component is cylindrical. The stub component has axially a through hole for receiving an optical fiber. The substrate has a securing groove. Two walls of the securing groove extend in the axial direction of the stub component. The distance between the two walls is less than the diameter of the stub component in the radial direction. The outer circumferential surface of the stub component is in linear contact with apexes of the two walls. The adhesive component fills the securing groove and connects the securing groove and the stub component. Therefore, the optical fiber end securing structure and the method of securing an optical fiber end enable the optical fiber to undergo high-precision engagement. | 2022-07-14 |
20220221658 | MECHANICAL CONNECTION INTERFACE - The present disclosure relates to turn-to-secure connection interface for securing two components together. The turn-to-secure interface includes stop arrangements including a snap-fit feature. | 2022-07-14 |
20220221659 | MANAGED CONNECTIVITY IN FIBER OPTIC SYSTEMS AND METHODS THEREOF - A fiber optic connector arrangement includes a printed circuit board coupled to a connector housing. The printed circuit board includes a memory storage device that is configured to store physical layer information pertaining to the fiber optic connector arrangement. The printed circuit board also defines contacts that are electrically coupled to the memory storage device to enable the physical layer information to be read from the memory storage device by a media reading interface. A connector assembly includes at least one adapter assembly; a printed circuit board; and a media reading interface. The connector assembly also may include a tactile pressure sensor. The adapter assembly defines at least a first port and a second port that are configured to connect optical fibers of two connector arrangements. One or more connector assemblies can be mounted to a fiber panel system. | 2022-07-14 |
20220221660 | FEED-THROUGH - A revolver-type feed-through for TEMPEST-grade electromagnetic shielding where one or more non-electric signal leads pass through a wall of a cabinet or other enclosure comprises a housing having a conical inner surface, the housing being attachable to the wall through a first attachment means; and a plug member having a conical outer surface matching the conical inner surface of the housing, the plug member being attachable to the housing through a second attachment means, wherein the conical inner surface of the housing and/or the conical outer surface of the plug member have recesses forming, when the plug member is attached to the housing, a plurality of waveguides. The first attachment means and the second attachment means being operable by one or more operating members located, with the feed-through in installed position, exclusively on one side of the wall, so that the first attachment means and the second attachment means are exclusively operable from the said one side of the wall. | 2022-07-14 |
20220221661 | STRAIN RELIEF BOOT - A strain relief boot and fiber optic connectors and modules having strain relief boots are provided. The strain relief boots of the present disclosure are flexible enough to bend when small side loads are applied to the boot and stiff enough to resist bending when large side loads are applied to the boot. In one embodiment, the strain relief boot is constructed of multiple different materials each having different stiffness properties. | 2022-07-14 |
20220221662 | Optical Fiber-To-Chip Interconnection - Provided is a connector assembly for optically connecting one or more optical fibers and an array of vertical coupling elements of a photonic integrated circuit (PIC). In various embodiments, the connector assembly is constructed to independently optically scale some feature sizes, such as, for example, the transverse mode size, the array size, the array geometry, and/or various incidence angles, the optical scaling being performed, e.g., from a fiber end face plane to a connector-mating plane and further to a PIC coupling plane. In some embodiments, the connector assembly may support a polarization (de)multiplexing functionality. | 2022-07-14 |
20220221663 | FIBER LASER INSENSITIVE AIMING LASER - A laser assembly comprising a multi-clad fiber optically coupled to a light source configured to emit optical radiation at a first wavelength and a protective element disposed between the light source and the multi-clad fiber so as to prevent a portion of backward-propagating optical radiation at a second wavelength from coupling into the light source. | 2022-07-14 |
20220221664 | METHOD OF MANUFACTURING LIGHT RECEIVING MODULE - A method of manufacturing a light receiving module according to an embodiment includes positioning a light receiving element, positioning a lens that causes light to converge on the light receiving element, and positioning an optical fiber such that an end surface of the optical fiber is located at a position spaced apart from the lens by a certain distance. The certain distance is a distance that is offset from a focal length of the lens. | 2022-07-14 |
20220221665 | DEVICES, SYSTEMS, AND METHODS WITH A PIEZOELECTRIC-DRIVEN LIGHT INTENSITY MODULATOR - A light intensity modulator includes an input optical fiber; an output optical fiber; an optical arrangement having a lens, where the optical arrangement is configured to receive light from the input optical fiber, pass the light through the lens, and direct the light to the output optical fiber; and a piezoelectric device coupled to the lens, where the piezoelectric device is configured for moving the lens to alter overlap of the output optical fiber and the light directed to the output optical fiber to modulate intensity of light in the output optical fiber. | 2022-07-14 |
20220221666 | PHOTOELECTRIC ADAPTERS AND OPTICAL TRANSMISSION CABLE CAPABLE OF RECEIVING AND OUTPUTTING ELECTRICITY - A photoelectric adapter includes a power sourcing equipment (PSE) device, an optical connector connection part and an electrical connector. The electrical connector is connectable to an electrical connector connection part of an electrical device. The PSE device includes a semiconductor laser that oscillates with electric power, thereby outputting feed light. The PSE device is driven by receiving the electric power supplied from the electrical device through the electrical connector, and outputs the feed light from the optical connector connection part. Another photoelectric adapter includes a powered device, an optical connector connection part and an electrical connector. The powered device includes a photoelectric conversion element that converts feed light into electric power. The powered device receives the feed light supplied through the optical connector connection part, converts the feed light into the electric power, and outputs the electric power from the electrical connector. | 2022-07-14 |
20220221667 | Optical Module - This application discloses an optical module. A circuit board is provided with a first heat dissipation member. One end of the first heat dissipation member is attached with an optical chip, with a lens assembly covering the optical chip. The other end extends outwardly from a coverage region of the lens assembly, so that heat generated by the optical chip is diffused to outside of the lens assembly. One end of the first heat dissipation member away from the lens assembly is provided with a second heat dissipation member whose upper surface being provided with a thermally conductive member. An upper surface of the thermally conductive member is thermally coupled with an upper enclosure. The second heat dissipation member conducts the heat diffused by the first heat dissipation member to the upper enclosure via the thermally conductive member. Thus, heat dissipation is achieved via the upper enclosure. | 2022-07-14 |
20220221668 | Apparatus And Method For Thermal Dissipation Of Photonic Transceiving Module - An apparatus for dissipating heat from a photonic transceiver module. The apparatus includes a top-plate member disposed in a length direction of a package for the photonic transceiver module. The apparatus further includes multiple fins formed on the top-plate member along the length direction from a backend position to a frontend position except at least one fin with a shorter length, forming an elongated void from the backend position to one backend of the at least one fin. Additionally, the apparatus includes a cover member disposed over the multiple fins with a horizontal sheet, two vertical side sheets, and a flange bent vertically from a middle portion of backend of the horizontal sheet. Furthermore, the apparatus includes a spring loaded in the elongated void between the flange and the one backend of the at least one fin to minimize an air gap at the backend of the horizontal sheet. | 2022-07-14 |
20220221669 | WAVEGUIDE SUBSTRATES AND ASSEMBLIES INCLUDING THE SAME - A waveguide substrate configured includes a first surface, a second surface opposite the first surface, and a communication side having at least one projecting boss that at least partially defines a bore for receiving a ferrule of an optical connector. Each projecting boss includes an outboard end from which the bore extends into the waveguide substrate, and an end of the bore within the waveguide substrate defines an optical interface surface. At least one waveguide within the waveguide substrate extends from the optical interface surface. A first slot is formed in each projecting boss between the associated bore and the first surface, with the first slot extending from the outboard end of the projecting boss and along a majority of the bore. | 2022-07-14 |
20220221670 | APPARATUS AND METHOD FOR HYBRID OPTO-ELECTRICAL MULTICHIP MODULE - The present disclosure relates to a monolithic waveguide substrate for enabling routing of at least one optical signal. The monolithic waveguide substrate has a monolithic engineered substrate having a uniform material composition throughout, with a first index of refraction, and with a plurality of three-dimensional waveguides each being formed fully within an interior volume thereof by a corresponding plurality of three-dimensional waveguide channels. The three-dimensional waveguide channels are formed by wall portions each having a second index of refraction different from the first index of refraction. | 2022-07-14 |
20220221671 | ULTRA-SMALL FORM FACTOR OPTICAL CONNECTORS USED AS PART OF A RECONFIGURABLE OUTER HOUSING - An optical connector holding one or more optical ferrule assembly is provided. The optical connector includes an outer body, an inner front body accommodating the one or more optical ferrule assembly, ferrule springs for urging the optical ferrules towards a mating receptacle, and a back body for supporting the ferrule springs. The outer body and the inner front body are configured such that four optical ferrule assembly are accommodated in a small form-factor pluggable (SFP) transceiver footprint or eight optical ferrule assembly are accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint. A receptacle can hold one or more connector inner bodies forming a single boot for all the optical fibers of the inner bodies. | 2022-07-14 |
20220221672 | OPTICAL PATH LENGTH ADJUSTING DEVICE - The present invention discloses an optical path length adjusting device, having a body, an optical path moving shaft, and an optical path adjusting screw, an auxiliary rod, and a connecting plate. By adjusting the optical path moving shaft, the optical path adjusting rod, and the auxiliary rod, and the connecting plate, the optical path can be adjusted after the light injected from the optical fiber into the optical path adjusting device. The present invention further comprises at least a bearing to stably drive a single direction of movement. The optical path length adjusting device will not cause angular deviation in the process of adjusting the optical path. | 2022-07-14 |
20220221673 | SPLITTER MODULE AND ENCLOSURE FOR USE THEREIN - An enclosure ( | 2022-07-14 |
20220221674 | FIBER OPTIC CABLE STORAGE DEVICES, SYSTEMS AND METHODS - A telecommunications assembly where two cable management devices allow for storage of fiber slack loops having a length defined by a cable in a full loop having the radius of the minimum bend radius of the cable up to and including a length twice as long as the full loop having the radius of the minimum bend radius of the cable; wherein no linear segments are defined by the full loop having the radius of the minimum bend radius of the cable; and wherein linear segments are provided in loops greater in length than a full loop having the radius of the minimum bend radius of the cable. The fiber optic cable slack is connected to other fibers or devices on both ends, and the slack is managed in loop shapes without having unmanaged segments that can interfere with other cables, get damaged, or create organization and use problems for the technician. | 2022-07-14 |
20220221675 | OPTICAL FIBER DISTRIBUTION SYSTEM - An optical fiber distribution system including a rack and elements which populate the rack including fiber terminations. Each element includes a chassis and a movable tray. The movable tray includes a synchronized movement device for moving a cable radius limiter. The tray includes cable terminations which extend in a line generally parallel to a direction of movement of the movable tray. Each of the cable terminations are mounted on hinged frame members positioned on each tray. The cables entering and exiting the movable tray follow a generally S-shaped pathway. | 2022-07-14 |
20220221676 | HYBRID ELECTRO-OPTICAL CABLE HAVING A HYDROGEN DELAY BARRIER - Certain aspects and features of the present disclosure relate to a communication cable for use in a wellbore. The cable can be a hybrid electro-optical cable that includes a tube including one or more optical fibers. The hybrid electro-optical cable can also include a hydrogen-delay barrier encapsulating the tube and at least one insulated conductor. An outer tube can encapsulate both the hydrogen-delay barrier and the at least one insulated conductor. | 2022-07-14 |
20220221677 | OPTICAL LENS AND OPTICAL DATA CAPTURING DEVICE - An optical lens comprising: a first part, comprising a first surface; a second part, comprising a second surface and at least one concave portion, wherein at least portion of the first surface and at least portion of the second surface are cylindrical. The second part further comprises a third surface, wherein the first surface and the second surface are not parallel with the third surface. The first part protrudes from the third surface. | 2022-07-14 |
20220221678 | METHOD FOR ADJUSTING THE HOLDER OF AN OPTICAL ELEMENT HELD IN A HOLDER, OPTICAL COMPONENT AND OPTICAL ASSEMBLY - An optical element held in a holder has a first optical surface which has no rotational symmetry with regard to its imaging axis. The holder has at least one reference element, which defines a position and/or orientation of the holder in a predefined coordinate system which compensates for a difference between an actual pose of the first optical surface and a target pose of the first optical surface in the holder at least in one degree of freedom. The reference element defines at least one specific azimuthal position of the holder. Also provided is a method for adjusting the holder of an optical element that has at least a first optical surface, which has no rotational symmetry with regard to its imaging axis, to a difference between an actual pose of the first optical surface and a target pose of the first optical surface in the holder. | 2022-07-14 |
20220221679 | FIXING STRUCTURE AND PROJECTION APPARATUS USING THE SAME - The invention provides a fixing structure having an inner wall forming a through hole around a central axis and a first rib protruded from the inner wall toward the central axis along a radial direction of the through hole with an extending direction parallel to an axial direction of the central axis, and a projection apparatus including an illumination system, a light valve, and a projection lens. The illumination system includes the fixing structure, an optical device, and a light source illuminating the optical device to form an illumination beam. The optical device is placed in the through hole and interfered by the first rib to be fixed in the through hole. The light valve is located on a transmission path of the illumination beam and converts it into an image beam. The projection lens is located on a transmission path of the image beam and projects the image beam. | 2022-07-14 |
20220221680 | OPTICAL ELEMENT DRIVING MECHANISM - To solve the problems of the prior art, an optical element driving mechanism is provided. The optical element driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movable relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. | 2022-07-14 |
20220221681 | OPTICAL ELEMENT HOLDER AND OPTICAL COMPONENT - The optical element holder according to the present disclosure is an optical element holder for holding an optical element, wherein the optical element holder is formed from an optical element holder resin compound, the optical element holder resin compound contains a thermoplastic resin as a main component, a melting curve obtained by differential scanning calorimetry analysis of the optical element holder resin compound at a temperature increase rate of 10° C./min has two peaks in a range of not lower than 160° C. and not higher than 230° C. and a range of not lower than 260° C. and not higher than 320° C., and a ratio of a melting heat quantity in the range of not lower than 160° C. and not higher than 230° C. to a total melting heat quantity is not less than 20% and not greater than 80%. | 2022-07-14 |
20220221682 | LENS ASSEMBLY - A lens assembly includes: a lens barrel; lenses accommodated in the lens barrel; and a spacer disposed between neighboring lenses among the lenses, and having an incident hole. An inner side surface of the spacer surrounding the incident hole includes a first inner side surface and a second inner side surface facing each other, and a third inner side surface and a fourth inner side surface facing each other. Each of the first inner side surface, the second inner side surface, the third inner side surface, and the fourth inner side surface includes a concavely curved surface facing a center of the spacer. The first inner side surface, the second inner side surface, the third inner side surface, and the fourth inner side surface have radii of curvature R | 2022-07-14 |
20220221683 | OPTICAL ASSEMBLIES AND METHODS OF FORMING THE SAME WITH LIGHT-CURABLE ADHESIVE - Optical assemblies and methods of forming the same with light-curable adhesive are disclosed. An example method of assembling an optical assembly includes coupling a lens assembly with a lens assembly holder to form a lens sub-assembly, and applying a light-curable adhesive to a lens chassis fixedly mounted to a printed circuit board (PCB). The method may include optically aligning the lens sub-assembly with an image sensor fixedly mounted to the PCB. When optical alignment is complete, the method may include substantially curing the adhesive with light to fixedly mount the lens sub-assembly to the lens chassis to hold the lens assembly in a fixed optical alignment with the image sensor. | 2022-07-14 |
20220221684 | ACCESSORY - An accessory that can be attached to a camera body, the camera body including a first camera-side clock terminal that outputs a first clock signal, a first camera-side data terminal that outputs a first data signal, and a third camera-side data terminal to which a third data signal is input, the accessory includes: an eighth terminal that is brought into contact with the first camera-side clock terminal; a seventh terminal that is brought into contact with the first camera-side data terminal; and a ninth terminal that is brought into contact with the third camera-side data terminal, wherein the eighth terminal is positioned between the seventh terminal and the ninth terminal. | 2022-07-14 |
20220221685 | OPTICAL ELEMENT DRIVING MECHANISM - An optical element driving mechanism is provided, including: a fixed part, a movable part, and a driving assembly. The movable part is movable relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. The driving assembly includes a driving magnetic element and a driving coil, and the driving magnetic element corresponds to the driving coil. | 2022-07-14 |
20220221686 | LENS DRIVING APPARATUS - A lens driving apparatus includes a holder, a cover, a carrier, a first magnet, a coil, a spring, two second magnets and a hall sensor. The holder includes an opening hole. The cover is made of metal material and coupled to the holder. The carrier is movably disposed in the cover, and for coupling to a lens. The first magnet is connected to an inner side of the cover. The coil is wound around an outer side of the carrier, and adjacent to the first magnet. The spring is coupled to the carrier. The second magnets are disposed on one end of the carrier which is toward the holder. The hall sensor is for detecting a magnetic field of any one of the second magnets, wherein the magnetic field is varied according to a relative displacement between the hall sensor and the second magnet which is detected. | 2022-07-14 |
20220221687 | OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS - An optical system includes, in order from an object side to an image side, a first unit, a second unit, and a third unit. The first unit includes a first substrate, and a first lens having a negative refractive power and disposed on the image side of the first substrate. The second unit includes a second substrate, and a second lens having a positive refractive power and disposed on the object side of the second substrate. The third unit includes a third substrate, and a third lens having a positive refractive power and disposed on the object side of the third substrate. | 2022-07-14 |
20220221688 | STEREOSCOPIC OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS - A stereoscopic optical system includes two parallel optical systems that each include, in order from an object side to an image side, a front unit having a negative refractive power, an intermediate unit having two reflective surfaces, and a rear unit. A distance between optical axes of rear units is smaller than that between optical axes of front units in the two optical systems due to bending of an optical path by the two reflective surfaces. At least one of the intermediate unit and the rear unit has a positive refractive power. The front unit includes, in order from the object side to the image side, a first subunit consisting of one or more negative lenses disposed on the object side of a positive lens closest to an object in the front unit, and a second subunit having a positive power. A predetermined condition is satisfied. | 2022-07-14 |
20220221689 | Optical Imaging Lens Assembly - The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a positive refractive power; a fifth lens with a refractive power, an object-side surface thereof being a convex surface while an image-side surface being a concave surface; a sixth lens with a positive refractive power, an object-side surface thereof being a convex surface while an image-side surface being a convex surface; and a seventh lens with a negative refractive power. ImgH is a half of a diagonal length of an effective pixel region on an imaging surface, TTL is an on-axis distance from an object-side surface of the first lens to the imaging surface, ImgH and TTL satisfy: 4.0 mm2022-07-14 | |
20220221690 | OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS - An optical system includes, in order from an object side to an image side, a first unit and a second unit. The first unit includes a first substrate, and a first lens having a negative refractive power and disposed on the image side of the first substrate. The second unit includes a second substrate, and a second lens having a positive refractive power and disposed on the image side of the second substrate. An absolute value of the refractive power on an optical axis of the second lens is larger than that of the first lens. A surface on the image side of the first lens is an aspheric surface. In the aspheric surface of the first lens, a refractive power at an outermost peripheral portion of an effective area is smaller than a refractive power on the optical axis. | 2022-07-14 |
20220221691 | ASPECT RATIO MODIFYING IMAGING SYSTEMS AND METHODS - Aspect ratio modifying imaging systems and methods are provided. In one example, an infrared imaging device includes at least one lens element configured to transmit electromagnetic radiation associated with a portion of a scene. The portion has a first aspect ratio. The electromagnetic radiation includes mid-wave and/or long-wave infrared light. The at least one lens element has a freeform surface having no translational symmetry and no rotational symmetry. The infrared imaging device further includes a detector array configured to receive image data associated with the electromagnetic radiation from the at least one lens element and generate, based on the image data, an image. The image data has a second aspect ratio different from the first aspect ratio. Each of the first and second aspect ratios is a ratio of a size along a first direction and a size along a second direction orthogonal to the first direction. | 2022-07-14 |
20220221692 | CAMERA LENS ASSEMBLY - A camera lens assembly is provided. The camera lens assembly along an optical axis from an object side to an image side, sequentially includes: a first lens having negative refractive power; a second lens having refractive power; a third lens having refractive power; a fourth lens having positive refractive power; a fifth lens having negative refractive power; a sixth lens having positive refractive power; and a seventh lens having negative refractive power. A distance TTL from an object-side surface of the first lens to an image plane of the camera lens assembly on the optical axis, a half of a diagonal length ImgH of an effective pixel area of the camera lens assembly and a total effective focal length f of the camera lens assembly satisfy: 15 mm2022-07-14 | |
20220221693 | Optical Imaging Lens Assembly - The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens with refractive power respectively. An image-side surface of the eighth lens is a convex surface. TTL is a distance from an object-side surface of the first lens to an imaging surface of the optical imaging lens assembly on the optical axis, ImgH is a half of a diagonal length of an effective pixel region on the imaging surface of the optical imaging lens assembly, and TTL and ImgH meet TTL/ImgH<1.2. An effective focal length f8 of the eighth lens and a curvature radius R16 of the image-side surface of the eighth lens meet 0.52022-07-14 | |
20220221694 | LENS SYSTEM, IMAGING DEVICE, AND IMAGING SYSTEM - A lens system includes a plurality of lens elements arranged from an object side to an image plane side, and a diaphragm arranged between the plurality of lens elements. The plurality of lens elements include a plurality of freeform lenses each having a freeform surface that is asymmetrical with respect to a first direction and a second direction which cross with each other. At least one freeform lens is placed on the image plane side of the diaphragm. With a lens thickness T1 in the first direction at a maximum height of an axial ray and a lens thickness T2 in the second direction at the maximum height of the axial ray, at least one freeform lens satisfying 0.32022-07-14 | |
20220221695 | OPTICAL IMAGING SYSTEM AND MOBILE ELECTRONIC DEVICE - An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens, sequentially disposed from an object side. The first lens has negative refractive power, an image side surface thereof is concave, and an angle of view of the optical system including the first lens to the sixth lens is 100° or more. When a focal length of the first lens is f1_1, and a total focal length of the optical system including the first lens to the sixth lens is F1, 1.0<|f1_1/F1|<2.0 is satisfied. | 2022-07-14 |
20220221696 | THERMAL IMAGING ENDOSCOPE - Described are devices, systems and methods for thermographic imaging of conditions of the ear, nose, and throat (ENT). An example device for thermographic ENT imaging includes an endoscope and a thermal imaging camera that can be either integrated or added as an attachment to the endoscope. The device may also include a mirror configured to direct thermal radiation emitted by a target area to the thermal imaging camera. | 2022-07-14 |
20220221697 | ULTRAVIOLET OPTICAL SYSTEM AND LIGHT DISTRIBUTION MEASURING APPARATUS - An ultraviolet optical system includes an objective lens group that captures ultraviolet light for each angle from an ultraviolet light source and forms an intermediate image, and an imaging lens group that re-images the intermediate image. Neither the objective lens group nor the imaging lens group has a cemented surface, and all lenses included in the objective lens group and in the imaging lens group are single lenses that transmit ultraviolet light having a wavelength of 300 mn or shorter. A light distribution measuring apparatus includes the ultraviolet optical system and a sensor, and outputs light distribution of the ultraviolet light source by using a signal obtained by the sensor. The ultraviolet optical system is positioned such that the intermediate image is re-imaged on a light receiving sensor surface, and the sensor has light receiving sensitivity to ultraviolet light having a wavelength of 300 nm or shorter. | 2022-07-14 |
20220221698 | OPTICAL SYSTEM AND PROJECTION DEVICE - The present application provides an optical system and a projection device. The optical system includes a display unit, a first lens group, a second lens group and a reflector which are sequentially arranged along a light transmission direction. The first lens group has a positive focal power, the second lens group has a negative focal power, a total of focal powers of the second lens group and the reflector is positive. A distance from a side of the first lens group close to the display unit to another side of the second lens group far away from the display unit is T | 2022-07-14 |
20220221699 | DOUBLE-TELECENTRIC PROJECTION LENS AND HEAD-UP DISPLAY DEVICE MOUNTED ON AUTOMOBILE - The present application provides a double-telecentric projection lens. The double-telecentric projection lens includes a front lens group, a rear lens group, and an equivalent prism that are successively arranged between an image side and a DMD chip; wherein the front lens group includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens that are successively arranged, and the rear lens group includes a sixth lens, a seventh lens, an eighth lens, and a ninth lens that are successively arranged, wherein the third lens and the fourth lens constitute a double-cemented lens; and the DMD chip is configured to simultaneously emit two images, wherein during simultaneous emission of the two images from the DMD chip, the simultaneously emitted two images are emitted from the double-telecentric projection lens and imaged at different positions. | 2022-07-14 |