08th week of 2021 patent applcation highlights part 37 |
Patent application number | Title | Published |
20210055445 | INSPECTION DEVICE - The inspection device includes: a conveyance route that conveys an inspection object at moving speed v; a first magnetic detector and a second magnetic detector that detect a magnetic field of a magnetic foreign object contained in the inspection object; an amplifying unit that amplifies detection signals of the first magnetic detector and the second magnetic detector; and a computation processing unit that performs processing of multiplying the detection signal of the second magnetic detector by a signal obtained by delaying the detection signal of the first magnetic detector. The first magnetic detector and the second magnetic detector each include one magnetic sensor and the magnetic sensors form a pair. | 2021-02-25 |
20210055446 | FOREIGN MATTER DETECTING DEVICE - A foreign matter detecting device includes a plurality of detection coils disposed so as to be capable of being electromagnetically coupled to each other between a transmission coil of a power transmission device and a reception coil of a power reception device between which power is transmitted in a non-contact manner, a plurality of capacitors each forming a resonance circuit together with each of the plurality of detection coils, a power supply circuit supplying AC power having a predetermined frequency to an input coil that is one of the plurality of detection coils, and a detection circuit detecting a voltage of AC power transmitted via the plurality of detection coils from an output coil that one of the plurality of detection coils and is different from the input coil, and detecting foreign matter entrapped between the transmission coil and the reception coil according to the voltage detected. | 2021-02-25 |
20210055447 | Preselecting Initial Guesses For Multi-Step Inversion Using Electromagnetic Measurements - A system and method for electromagnetic measurements. The system may comprise an electromagnetic transmitter, wherein the electromagnetic transmitter is an antenna and is operable to transmit a low frequency electromagnetic field into a formation or a high frequency electromagnetic field into the formation. The system may further comprise an electromagnetic receiver, wherein the electromagnetic receiver is an antenna and is operable to record the high frequency electromagnetic field or the low frequency electromagnetic field. The method may comprise transmitting a high frequency electromagnetic field, recording a high frequency electromagnetic field, transmitting a low frequency electromagnetic field, recording a low frequency electromagnetic field, performing a shallow inversion on the low frequency electromagnetic field and the high frequency electromagnetic field to form a formation resistivity model, and running the deep inversion with the random initial guesses that have the misfit. | 2021-02-25 |
20210055448 | ENHANCED TWO DIMENSIONAL INVERSION - A method for characterizing a subterranean formation, the method comprising: performing electromagnetic logging measurements along a portion of a borehole traversing the subterranean formation using an electromagnetic logging tool to obtain electromagnetic data; determining one or more initial approximations for one or more electromagnetic properties associated with a two dimensional imaging plane modeling the subterranean formation; determining one or more initial approximations for a relative orientation between the two dimensional imaging plane and an orientation of a trajectory along the portion of the borehole; and performing a first inversion using (i) the one or more initial approximations of the one or more electromagnetic properties, (ii) the one or more initial approximations for the relative orientation between the two dimensional imaging plane and the orientation of the trajectory, and (iii) the electromagnetic data to estimate an orientation of the two dimensional imaging plane relative to the orientation of the trajectory. | 2021-02-25 |
20210055449 | A Method for Combined Resistivity and Permitivity Determination with Borehole Imagers - A method and system for resistivity imaging may comprise disposing a downhole tool into a borehole, wherein the downhole tool comprises a pad and a plurality of electrodes disposed on the pad, taking an impedance measurement with the plurality of electrodes, applying a correction to the measured impedance by using a relaxation constant of the measured impedance to find a corrected impedance for each electrode of the plurality of electrodes, and constructing an image from the corrected impedance, wherein the image maps formation impedance. The system for resistivity imaging may comprise a downhole tool, a conveyance for disposing the downhole tool in a borehole, and an information handling system. The downhole tool may further comprise an arm and a pad wherein the pad comprises a plurality of electrodes and at least one return electrode. | 2021-02-25 |
20210055450 | IMAGE QUALITY TEST ARTICLE SET - Systems, methods, and apparatuses are provided for evaluating an image quality of an image produced by an x-ray computed tomography (CT) system. | 2021-02-25 |
20210055451 | GAS SAMPLING INSTRUMENTS AND METHODS - Devices, systems, and methods for sampling of gases to determine information regarding leaks are disclosed. Balanced sampling can be achieved by application of an inlet having a gas permeable membrane covering the opening. Extending the opening for a length can provide additional coverage for gas sampling. Connection of gas sampling instruments with analysis systems can determine leak information for use in remedying leaks, for example, from industrial equipment such as pipelines. | 2021-02-25 |
20210055452 | METHOD FOR CALIBRATING OPTICAL SENSOR IN BLUETOOTH HEADSET AND BLUETOOTH HEADSET - A method for calibrating an optical sensor in a Bluetooth headset and a Bluetooth headset are provided. The Bluetooth headset includes an optical sensor and a command execution device, the Bluetooth headset is connected to a charging box which is adapted to the Bluetooth headset, and a command initiation device and a command transmission medium are arranged in the charging box. With the method, if the command initiation device is triggered, the command initiation device sends a calibration command to the command execution device via the command transmission medium; and the command execution device calibrates an optical sensor in response to the calibration command to obtain a calibration result, and stores the calibration result. | 2021-02-25 |
20210055453 | Clustered AI for Optimized Predictions - A system for generating short-, medium, long-range and specific area and effect weather or climate forecasts by training a cluster of Al to “understand” the physics that effects the weather and running the clusters on a decentralized computing system or network. Individual modules for specific knowledge of different climate-variability phenomena can be integrated and interrogated to calculate the forecast based on a consensus of future predictions based on a subset of the clusters. The selection criteria determining which modules are deemed to fit may be adjusted to optimize the use of observations in forecasting specific climate variables or geographic regions in order to develop forecasts tailored to particular applications. | 2021-02-25 |
20210055454 | METAMATERIAL FOCAL PLANE ARRAY FOR BROAD SPECTRUM IMAGING - The present invention relates to a metamaterial focal plane array for broad spectrum imaging. Electromagnetic energy in the form of light is absorbed in or on a metamaterial absorber and a subsequent hot carriers are collected either in a semiconductor space charge region (e.g. P-N junction), or in some other modern collection scheme. Following the accumulation of photogenerated charge (electrons or holes), the signal is then converted to a digital signal using conventional or slightly modified ROIC modules. | 2021-02-25 |
20210055455 | PHOTONIC CRYSTALS COMPRISING NANOPARTICLES AND SPACER GROUPS - Provided herein are methods of preparing three-dimensional photonic crystals having tunable optical properties and control over stopband location and width, the three-dimensional photonic crystals comprising nanoparticles and spacer groups. | 2021-02-25 |
20210055456 | METASURFACE STRUCTURE AND METHOD FOR PRODUCING METASURFACE STRUCTURE - The present disclosure relates to a metasurface structural body or the like having a structure for achieving desired optical characteristics. The metasurface structural body includes a base member having a first surface and a second surface opposing each other, and a plurality of antennas as a plurality of fine structures arranged along the first surface. The base member has a base portion and an adjacent portion. The antennas each has a first refractive index and an antenna end surface constituting a part of the first surface. The adjacent portion is provided such that a part thereof is positioned between the antennas, the adjacent portion having a second refractive index different from the first refractive index and an adjacent-portion end surface constituting a remaining part of the first surface. The antenna end surfaces and the adjacent-portion end surface form a flat surface as the first surface. | 2021-02-25 |
20210055457 | COLOR FILTER MANUFACTURING METHOD, COLOR FILTER, AND RESIN COMPOSITION - A color filter manufacturing method that forms low refractive index partition walls using a material easily removable by asking without the need to use fluororesin as a partition wall material; a color filter as a product by such a color filter manufacturing method; and a resin composition suitable for use in such a color filter manufacturing method. The method includes forming partition walls using a bubble-containing resin or resin composition containing bubbles, or the like, and having an inorganic content of 5% by mass or less. | 2021-02-25 |
20210055458 | STACKED LENS STRUCTURE AND METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - The present disclosure relates to a stacked lens structure and a method of manufacturing the same, and an electronic apparatus by which it is possible to realize miniaturization of a lens module. A stacked lens structure includes plural substrates with lens stacked on one another, the substrate with lens each having a lens disposed on inside of a through-hole formed in the substrate. In regard of side surfaces at side parts corresponding to sides of a rectangle surrounding the substrate with lens in plan view as viewed in an optical axis direction, a width and a shape are the same among all the substrates with lens, whereas in regard of side surfaces at opposite angle parts corresponding to opposite angles of the rectangle, the width or shape differs between at least two substrates with lens. The present technology is applicable, for example, to a lens module or the like. | 2021-02-25 |
20210055459 | LIGHT DIFFUSION CONTROL BODY AND REFLECTIVE DISPLAY BODY - A light diffusion control body includes at least two light diffusion control layers each having a regular internal structure. The regular internal structure includes a plurality of regions having a relatively high refractive index in a region having a relatively low refractive index. The at least two light diffusion control layers includes a first light diffusion control layer and a second light diffusion control layer each having a minimum value of a haze value of 35% or more. The haze value is measured when one surface of each of the first light diffusion control layer and the second light diffusion control layer is irradiated sequentially with a light ray at an incident angle of −70° to 70° with respect to the normal direction of the surface being 0°. | 2021-02-25 |
20210055460 | OUTWARD COUPLING SUPPRESSION IN WAVEGUIDE DISPLAY - A pupil replication waveguide for a projector display includes a slab of transparent material for propagating display light in the slab via total internal reflection. A diffraction grating is supported by the slab. The diffraction grating includes a plurality of tapered slanted fringes in a substrate for out-coupling the display light from the slab by diffraction into a blazed diffraction order. A greater portion of the display light is out-coupled into the blazed diffraction order, and a smaller portion of the display light is out-coupled into a non-blazed diffraction order. The tapered fringes result in the duty cycle of the diffraction grating varying along the thickness direction of the diffraction grating, to facilitate suppressing the portion of the display light out-coupled into the non-blazed diffraction order. | 2021-02-25 |
20210055461 | CAMERA DEVICE - The present invention provides a camera device comprising a housing, an image sensing unit, an optical unit and a neutral density filter assembly. The housing has a light entrance. The image sensing unit is disposed in the housing. The optical unit is disposed between the light entrance and the image sensing unit. Light enters the housing through the light entrance and forms an image at the image sensing unit via the optical unit. The neutral density filter assembly is disposed between the light entrance and the optical unit and includes a first neutral density filter layer and a second neutral density filter layer. The first neutral density filter layer and the second neutral density filter layer are disposed along the direction in which the light is transmitted. | 2021-02-25 |
20210055462 | LIDAR WINDOW INTEGRATED OPTICAL FILTER - Disclosed is a LiDAR window integrated optical filter that includes a window of a polymer material for absorbing a visible light band and transmitting a near-infrared band; and an upper reflective layer and a lower reflective layer formed on the upper surface and the lower surface of the window. The upper reflective layer and the lower reflective layer may be formed in a thin film including titanium dioxide (TiO | 2021-02-25 |
20210055463 | Optical Device - An optical device and method of manufacturing the same are disclosed herein. In some embodiments, an optical device includes a first outer substrate and a second outer substrate disposed opposite to each other, a liquid crystal element disposed between the first and second outer substrates; and a plurality of adhesive films encapsulating the liquid crystal element, wherein the plurality of adhesive films comprises a curable adhesive film and a non-curable adhesive film. The optical device is capable of varying transmittance and reducing light loss while improving appearance defects. Such an optical device can be used for various applications such as eyewear, for example, sunglasses or augmented reality (AR) or virtual reality (VR) eyewear, an outer wall of a building or a sunroof for a vehicle. | 2021-02-25 |
20210055464 | Wire Grid Polarizer And Method Of Manufacture - A polarizing optical article formed by selectively applying a conductive coating to a portion of a structured surface formed of a series of linear peaks and valleys. | 2021-02-25 |
20210055465 | High-Contrast Polarizer - A polarizer can have high contrast. This high contrast polarizer can be useful in applications requiring minimal leakage of an undesired polarization through the polarizer. The high contrast polarizer can include a substrate sandwiched between a reflective polarizer and an absorptive polarizer. The high contrast polarizer can include a reflective polarizer sandwiched between a substrate and an absorptive polarizer. The high contrast polarizer can include an absorptive polarizer sandwiched between reflective polarizers. | 2021-02-25 |
20210055466 | PROJECTOR CONFIGURATION WITH SUBDIVIDED OPTICAL APERTURE FOR NEAR-EYE DISPLAYS, AND CORRESPONDING OPTICAL SYSTEMS - An optical system for displaying a projected image to an observer includes a light-guide optical element having two major parallel surfaces and configured for guiding illumination corresponding to a projected image collimated to infinity by internal reflection at the major parallel surfaces from a coupling-in region to a coupling-out region where at least part of the illumination is coupled out towards an eye of the observer, and a projector configuration associated with the coupling-in region of the light-guide optical element. The projector configuration includes a number of adjacent optical arrangements, each including collimating optics deployed for projecting a subset of the illumination. The adjacent optical arrangements cooperate to provide an entirety of the projected image to the coupling-out region. | 2021-02-25 |
20210055467 | DECOR LIGHT GUIDE ELEMENT - A decorative light guide element having a decorative surface made of segments, at least one of which is a decorative light guide element, and method for producing such a decorative light guide element with illumination and decorative functions. To provide a decorative light guide element, which facilitates illumination independent of the decoration but also has visible decoration when deactivated, provision is made for the decorative light guide element to have a planar light guide element and a light source for coupling light into the light guide element. On a first side of the light guide element, a planar decorative element and, on the opposite side, a microstructure layer for coupling out the light of the light guide element are arranged. An intermediate layer is arranged between the light guide and decorative elements. The intermediate layer having a lower refractive index than the material of the light guide element. | 2021-02-25 |
20210055468 | Light Emitting Device, Display Unit, And Illumination Unit - A light emitting device of the disclosure includes a first light source and a second light source; a light-guiding plate having a first main surface and a second main surface that face each other, a first end surface facing the first light source, and a second end surface facing the first end surface and the second light source; a prism sheet disposed to face the first main surface; and a reflection sheet disposed to face the second main surface. The light-guiding plate includes a plurality of first slope sections and a plurality of second slope sections both provided on one of the first main surface and the second main surface, in which the plurality of first slope sections are provided to allow the light-guiding plate to be thinner in a first direction that extends from the first end surface to the second end surface, and the plurality of second slope sections are provided to allow the light-guiding plate to be thicker in the first direction, and each provided alternately with each of the first slope sections in the first direction. A proportion of area occupied by the second slope sections increases in a predetermined range from the second end surface, as a distance from the second end surface increases. | 2021-02-25 |
20210055469 | LIGHT EMITTING MODULE - A light emitting module includes: a light emitting element unit including: a light-emitting element that has a main-light-emission surface, an electrode-formation surface and a side-surface, a light-transmissive member that covers the main-light-emission surface, and a first light-reflection member that covers the side-surface; a light-transmissive light guide plate including a first main-surface as a light emission surface, and a second main-surface opposed to the first main-surface and has a recess accommodating the light emitting element unit so that the first light-reflection member is partially arranged out of the recess in a cross-section; a light-transmissive interposition member that contacts an interior side-surface of the recess and an exterior side-surface of the light emitting element unit; and a second light-reflection member that partially covers the second main-surface and the interposition member. The interposition member is at least partially exposed from the second light-reflection member in a plan view. The hardness of the interposition member is lower than a hardness of the first light-reflection member and a hardness of the second light-reflection member. | 2021-02-25 |
20210055470 | LIGHTING FIXTURE - A lighting fixture includes a light emitting module, a first brightness enhancement component and a second brightness enhancement component. The light emitting module includes a light emitting surface. The first brightness enhancement component is disposed on the light emitting surface and corresponds to a first light emitting area of the light emitting module. The first brightness enhancement component concentrates light emitted from the first light emitting area with respect to a first plane, wherein the first plane is defined by a first axis and a first direction perpendicular to the first brightness enhancement component. The second brightness enhancement component concentrates light emitted from the second light emitting area with respect to a second plane, wherein the second plane is defined by a second axis and a second direction perpendicular to the second brightness enhancement component, and the first axis is not parallel to the second axis. | 2021-02-25 |
20210055471 | BACKLIGHT MODULE AND DISPLAY DEVICE - A backlight module includes a back plate including a back plate body and a first bending structure perpendicular to the back plate body. The backlight module includes a light source. On a side at which the light source is disposed, the back plate further includes a second bending structure connected to the first bending structure and extending in the same direction as the back plate body. The second bending structure includes a plurality of spaced protrusion portions, and a depressed portion between the adjacent protrusion portions configured to accommodate a light emitting portion of the light source. | 2021-02-25 |
20210055472 | LUMINAIRE HAVING A LIGHT GUIDE WITH CLADDING - A luminaire module ( | 2021-02-25 |
20210055473 | SENSOR COMPRISING A WAVEGUIDE WITH OPTICAL RESONATOR AND SENSING METHOD | 2021-02-25 |
20210055474 | Multimode Fiber Having Improved Index Profile - A graded index multimode fiber and method of producing the graded index multimode fiber utilize a technique of reducing an index profile of the core of the multimode fiber below a standard parabolic index profile. This can be done by changing dopant concentrations in the fiber core over the radius of the fiber core. The result is a multimode fiber having differential mode delay characteristics that are intentionally not minimized. The index profile can be reduced below the standard parabolic index profile over the entire radius of the core, or only for radii above a specified radius. | 2021-02-25 |
20210055475 | Cladding for an Electro-Optical Device - Sensors for imaging boreholes via the detection of electrical and optical properties may be subject to harsh conditions downhole, such as from pressure and temperature. In addition, these sensors may be subject to impact, such as tension, elongation, and compression forces, along the wall of the borehole. The harsh conditions downhole and impacts on the sensor can lead to premature wear and even breaking. The present disclosure generally relates to an apparatus for measuring electrical and optical properties of the borehole and methods for manufacturing the apparatus. | 2021-02-25 |
20210055476 | Apparatus And Method For Realising Bilinear Temperature Compensation Of Array Waveguide Grating - An apparatus and method for temperature compensation, belonging to the technical field of optical communications, and particularly an apparatus and method for implementing bilinear temperature compensation of an arrayed waveguide grating is disclosed. The apparatus consists of two drivers. A first driver performs linear compensation in a range lower than normal temperature 25° C. to −40° C. (low-temperature area) or a range higher than ambient temperature 25° C. to 85° C. (high-temperature area). A second driver is used to realize nonlinear compensation of superimposed effect of AWG chip wavelength/temperature in another temperature area. Two parts of the chip after being divided have different relative displacement/effective compensation amounts in different temperature ranges, having over-compensation in the high-temperature area and under-compensation in the low-temperature area, so that a center wavelength of the AWG chip appears as two gentle curves with temperature change. The residual nonlinear temperature effect is effectively reduced. | 2021-02-25 |
20210055477 | WAVEGUIDE STRUCTURES - The present disclosure relates to semiconductor structures and, more particularly, to waveguide structures with metamaterial structures and methods of manufacture. The structure includes: at least one waveguide structure; and metamaterial structures separated from the at least one waveguide structure by an insulator material, the metamaterial structures being structured to decouple the at least one waveguide structure to simultaneously reduce insertion loss and crosstalk of the at least one waveguide structure. | 2021-02-25 |
20210055478 | WAVEGUIDE COUPLERS PROVIDING CONVERSION BETWEEN WAVEGUIDES - Structures for a waveguide coupler and methods of fabricating a structure for a waveguide coupler. A first waveguide core has a first width, a second waveguide core has a second width less than the first width, and a waveguide coupler includes first and second tapers that are positioned between the first waveguide core and the second waveguide core. The second taper is directly connected with the first taper, and the first and second tapers connect the first and second waveguide cores. | 2021-02-25 |
20210055479 | ATHERMALIZED MULTI-PATH INTERFERENCE FILTER - A multi-path interference filter. The multi-path interference filter includes a first port waveguide, a second port waveguide, and an optical structure connecting the first port waveguide and the second port waveguide. The optical structure has a first optical path from the first port waveguide to the second port waveguide, and a second optical path, different from the first optical path, from the first port waveguide to the second port waveguide. The first optical path has a portion, having a first length, within hydrogenated amorphous silicon. The second optical path has a portion, having a second length, within crystalline silicon, and the second optical path has either no portion within hydrogenated amorphous silicon, or a portion, having a third length, within hydrogenated amorphous silicon, the third length being less than the first length. | 2021-02-25 |
20210055480 | FLEXIBLE LENSED OPTICAL INTERCONNECT DEVICE FOR SIGNAL DISTRIBUTION - A method and device for interconnecting optical components, such as optical fibers and optical circuits, in a flexible, repeatable, and cost-effective manner. Two or more optical components are interconnected by a flexible optical circuit substrate bearing one or more embedded optical fibers with a lens at each end of each fiber. The flexible optical circuit may be incorporated into a housing bearing apertures for receiving the optical connectors of the optical components that are to be interconnected with the device. The lensed ends of the fibers embedded in the flexible optical circuit are positioned adjacent to the apertures for optically connecting to the fibers within the connectors installed in the apertures without conventional mating connectors disposed inside the housing. | 2021-02-25 |
20210055481 | OPTICAL FIBER CONNECTOR - An optical fiber connector sub-assembly optical fiber connector sub-assembly for an optical fiber connector includes a ferrule holder carrier portion and a sleeve portion disposed rearward of the ferrule holder carrier portion along an axis of the connector. The sleeve portion is configured to be connected to the ferrule holder portion to permit relative articulating movement between the sleeve portion and the ferrule holder carrier portion, and the sleeve portion and the ferrule holder carrier portion are configured to be rotatingly fixed to one another. | 2021-02-25 |
20210055482 | OPTICAL FIBER ADAPTER - An optical fiber adapter ( | 2021-02-25 |
20210055483 | FIELD INSTALLABLE RUGGED OPTICAL TERMINUS - A terminus for a fiber optic cable has a ferrule with a fiber stub secured in a channel of the ferrule. The fiber stub has a polished forward end face. The fiber stub extends from a rearward end of the ferrule so that a rearward end face of the fiber stub is rearwardly spaced from the ferrule. An alignment member is axially aligned with the ferrule and has a channel extending between forward and rearward ends of the alignment member. The channel includes a fiber alignment portion in which the rearward end face of the fiber stub is received. The fiber alignment portion is statically configured to receive a forward end face of the filament of the fiber optic cable in opposed relationship to the rearward end face of the fiber stub and axially align the faces to each other. | 2021-02-25 |
20210055484 | PIGTAIL-TYPE OPTICAL RECEPTACLE - A pigtail-type optical receptacle includes a tubular ferrule having a through-hole extending in an axial direction, an optical fiber inserted into the through-hole such that part of the optical fiber extends outside the ferrule, a protective member covering the part of the optical fiber extending outside the ferrule, a tubular sleeve mounted on a front end side, outer surface of the ferrule, a holder tubular having holding the rear end side of the ferrule, and a tubular housing covering the ferrule and at least a portion of the sleeve. The ferrule through-hole includes first and second regions, the second region being disposed rearward of the first region, and the housing engaging the outer surface of the holder rearward of the first region. | 2021-02-25 |
20210055485 | A Rear Body With Reverse Latch Arms - A multiple push-on (MPO) optical connector is provided having a ferrule configured to house multiple optical fibers and a housing having a distal end in a connection direction configured to hold the ferrule. The housing further includes a pair of proximal apertures and at least one proximal groove. A backpost has a distal end that urges the ferrule toward the distal end of the housing and a proximal end configured to receive a crimp ring. The backpost includes a pair of proximally extending latch arms that reverse latch in the proximal apertures of the housing. To strengthen the connector in side-loading environments, the backpost further includes a reinforcing rib that is received in the housing proximal groove. In a further aspect, the proximal end of the backpost may include a neck with an approximately curved side profile that, following crimping with a stepped crimp ring, results in an angled crimp. | 2021-02-25 |
20210055486 | CONNECTOR - A connector includes a cable holding portion, a first holding member having a first male screw portion and a first guide portion, an optical connector, an optical module, a second holding member having a second male screw portion and a second guide portion, and a coupling nut having a female screw portion. In cooperation with each other, the first and second guide portions allow a relative movement of the first holding member with respect to the second holding member in the front-rear direction while regulating a relative movement of the first holding member with respect to the second holding member in a circumferential direction about an axis parallel to the front-rear direction. Relative positions of the first holding member and the second holding member in the front-rear direction are maintained by the female screw portion being meshed with both of the first and the second male screw portions. | 2021-02-25 |
20210055487 | OPTICAL MODULE - An optical module includes a housing extending in a lengthwise direction, as well as a main circuit board and an optical receiver assembly disposed in the housing. A plane on which the main circuit board is located is parallel to the lengthwise direction of the housing. The optical receiver assembly includes a receiver-end fiber optic port, at least two sets of receiver-end photoelectronic chips arranged side by side along the lengthwise direction, and a receiver-end optical component set including an optical demultiplexer and at least two coupling components located at an exit end of the optical demultiplexer. The at least two coupling components are arranged side by side along the lengthwise direction, and have different distances, respectively, to the plane on which the main circuit board is located along a first direction perpendicular to the plane on which the main circuit board is located. | 2021-02-25 |
20210055488 | PLUG CONNECTOR FOR TRANSCEIVER MODULE, RECEPTACLE ASSEMBLY FOR TRANSCEIVER MODULE, AND TRANSCEIVER MODULE ASSEMBLY - In a transceiver module, when one end portion of a module board ( | 2021-02-25 |
20210055489 | CONNECTION FEATURES FOR ELECTRONIC AND OPTICAL PACKAGING - An optical connection assembly joining optical components is described. The optical connection assembly is manufactured using a fan out wafer level packaging to produce dies/frames which include mechanical connection features. A fastener is joined to a connection component and affixed to the mechanical connection features, to provide structural support to the connection between the connected component and the die/frame structure. | 2021-02-25 |
20210055490 | HIGH-DENSITY FAUS AND OPTICAL INTERCONNECTION DEVICES EMPLOYING SMALL DIAMETER LOW ATTENUATION OPTICAL FIBER - The high-density FAU comprises a support substrate having a grooved front-end section that supports glass end sections of the small diameter low-attenuation optical fibers. A cover is disposed on the front-end section and secured thereto to hold the glass end sections in place. The substrate and the cover can be made of the same glass or glasses having about the same CTE. The glass end sections have a diameter d4 so that the pitch P2 of the fibers at the front end of the FAU can be equal to or greater than d4, wherein d4=2r | 2021-02-25 |
20210055491 | MICRO SHEATH BUFFER TUBE WITH ROLLABLE RIBBONS - The present disclosure provides a micro sheath buffer tube with rollable optical fiber ribbons for optical fiber cable to reduce the overall cable diameter. The buffer tube includes one or more subunits, a micro sheath layer and a plurality of water swellable yarns. The one or more subunits encloses a plurality of optical fiber ribbons. Each optical fiber ribbon of the plurality of optical fiber ribbons includes 12 optical fibers. Further, each of a plurality of optical fibers is a colored optical fiber. In addition, the micro sheath layer surrounds the one or more subunits. Furthermore, the one or more subunits has a coating layer of low smoke zero halogen material. | 2021-02-25 |
20210055492 | OPTICAL FIBER RIBBON, DIE, AND METHOD OF MANUFACTURING OPTICAL FIBER RIBBON - An optical fiber ribbon in which a plurality of optical fibers are integrated by a common coated layer includes: an intermittent connection portion in which a connection portion formed from the common coated layer and a non-connection portion including no common coated layer are alternately formed in a longitudinal direction between every predetermined number of optical fibers equal to or greater than two; and a continuous connection portion in which a connection portion formed from the common coated layer is continuously formed in a longitudinal direction between optical fibers other than the predetermined number of optical fibers equal to or greater than two. A thickness of the connection portion of the intermittent connection portion is thinner than a thickness of the continuous connection portion. | 2021-02-25 |
20210055493 | OPTICAL FIBER CABLE WITH IMPROVED FIRE PROTECTION PERFORMANCE - An optical fiber cable comprises a cable core including at least one optical transmission element to transfer light, and a cable jacket surrounding the cable core. The cable jacket is embodied as a multilayered structure having a first sheath layer and at least a second sheath layer being surrounded by the first sheath layer. The material of the first and the second sheath layer is halogen free. The material of the first sheath layer and the material of the second sheath layer have a different flame retardant additive providing different flame retardant mechanisms. | 2021-02-25 |
20210055494 | METHODS AND SYSTEMS FOR DEPLOYING OPTICAL FIBER - There are described methods and systems for deploying optical fiber within a conduit. In one aspect, an optical fiber injector comprising a pressure vessel having a fluid inlet and a fluid outlet. The fluid outlet is engaged with an open end of the conduit. A length of optical fiber is provided within the pressure vessel. The optical fiber is then jetted into the conduit by injecting a fluid into the pressure vessel via the fluid inlet. The optical fiber injector is configured such that the fluid is directed from the fluid inlet to the fluid outlet, and urges the optical fiber to move through the conduit, thereby deploying the optical fiber within the conduit. In a further aspect, there is provided a modular assembly comprising a pipeline and a line of two or more conduits arranged end-to-end. Each pair of opposing ends of adjacent conduits is connected together by a separate splice box. The line is positioned along and adjacent to a length of the pipeline. | 2021-02-25 |
20210055495 | ENCLOSURE ASSEMBLIES FOR HANDLING MDC CONNECTORS AND ASSOCIATED CABLING - Fiber optic assemblies for receiving, managing and facilitating access to optical fiber connectors are disclosed. The assemblies include an adapter panel slidably mounted in a chassis and defining a plurality of receiving bays each for receiving at least one cassette containing an optical fiber adapter. Each cassette includes retention features for being received within paired openings in the adapter panel to register a position of the cassette relative to the receiving bay and adapter panel. Cassettes are independently and selectively accessible and removable from either the front or back of the adapter panel. | 2021-02-25 |
20210055496 | MODULAR OPTICAL FIBER SPLICE TRAY SYSTEM - The present description relates to a modular, reconfigurable splice tray system that comprises a splice tray having a base extending longitudinally from a first end to a second end, a pair of side walls extending longitudinally between the first and second ends of the base, a plurality of cable entrances formed at the first and second end of the base and a receiving portion configured to receive a modular component disposed between the cable entrances at the first end and at the second end. | 2021-02-25 |
20210055497 | TERMINATION UNIT - A termination unit includes: a plurality of first optical fibers fusion-connected to a multicore cable; a tray slidable in a first direction, the tray being provided on one end side of the termination unit in the first direction; and a plurality of adapters which are provided in a line on the tray, to which a plurality of second optical fibers are connected from each of one end sides of the adapters, and to which the plurality of first optical fibers are connected from each of the other end sides of the adapters, in which the tray has a cover part for protecting the plurality of adapters, and in which the cover part is rotatable with a shaft that extends along a second direction, and the cover part rotates downward when the tray has slid in a direction toward the one end side from the other end side. | 2021-02-25 |
20210055498 | OPTICAL ASSEMBLIES AND APPARATUSES AND METHODS FOR ALIGNING COMPONENTS OF OPTICAL ASSEMBLIES - An alignment apparatus for aligning components of an optical assembly include a chuck configured to support the optical assembly thereon, and an adjustable flexure assembly disposed around the chuck. The adjustable flexure assembly includes a plurality of flexures. The plurality of flexures are positioned relative to the chuck such that each of the plurality of flexures contact the optical assembly when the optical assembly is positioned on the chuck. Adjustment of a position of one or more flexures of the plurality of flexures adjusts an alignment of an optical axis of an optical component of the optical assembly when the optical assembly is positioned on the chuck, wherein the alignment apparatus is configured to align optical axes of the optical component to an angle of deviation of less than about 1,000 μrad and provide an extinction ratio within the optical assembly of greater than or equal to 1000:1 | 2021-02-25 |
20210055499 | LENS MODULE WITH ELECTROMAGNETIC PROTHCTION AND ELECTRONIC DEVICE USING THE SAME - A lens module includes a printed circuit board; a lens mounted on one side of the printed circuit board, and a shielding cover. The shielding cover comprises a cavity. A part of the printed circuit board and a part of the lens are received in the cavity of the shielding cover. The disclosure also relates to an electronic device using the lens module. The lens module can filter the magnetic interference of the external signal and facilitate heat generated by the lens module dissipate outside. | 2021-02-25 |
20210055500 | CAMERA MODULE, ELECTRONIC DEVICE HAVING CAMERA MODULE, AND METHOD FOR MANUFACTURING THE CAMERA MODULE - A camera module comprising components held stably without glue includes a substrate and a lens assembly thereon. The lens assembly includes a lens holder, an optical filter, and a lens. The lens holder includes first and second holder portions, and a fixing block. The first holder portion includes a peripheral wall and a protruding flange; and the second holder portion is disposed on the first holder portion. The fixing block is on the flange away from the second holder portion, causing the fixing block and the flange to cooperatively form a clamping slot. The optical filter is disposed on the flange away from the second holder portion, an edge portion thereof being received in the clamping slot. The lens is disposed in the second holder portion. An electronic device and a method for making camera module are also provided. | 2021-02-25 |
20210055501 | OPTICAL SYSTEM WITH ADJUSTMENT STAGE AND ASSOCIATED METHOD - An optical system may include a target, a laser source, and an optical lens assembly. The optical lens assembly may include a mounting flange mounted adjacent the laser source, an objective lens aligned between the laser source and the target, and at least one adjustment stage coupled between the mounting flange and the objective lens. The adjustment stage may include a ball joint having a ball joint body, a ball receiver tube, and adjustable fasteners coupling the ball joint body to the ball receiver tube. The adjustment stage may include a translation tube having ramps thereon, and adjustable fasteners coupled between the mounting flange and the translation tube. In addition, the adjustment stage may include the mounting flange having a threaded surface thereon, and a focus ring rotatably coupled to the threaded surface of the mounting flange. | 2021-02-25 |
20210055502 | 3D IMAGING USING PHASE DETECTION AUTOFOCUS (PDAF) IMAGE SENSOR - A 3D imaging system comprises a phase detection autofocus (PDAF) image sensor, a lens for imaging a cross-section of a 3D object on the PDAF image sensor and an actuator for driving the lens for focusing each cross-section of the 3D object on the PDAF image sensor. The actuator drives the lens until the PDAF image sensor identifies an image of a first cross-section of the 3D object in-focus and records the image of the first cross-section. The PDAF image sensor records images of subsequent cross-sections of the 3D object formed by the lens driven by the actuator on the PDAF image sensor. The recorded images of each cross-section of the 3D object are stacked to form a 3D image of the 3D object. | 2021-02-25 |
20210055503 | LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE INCLUDING SAME - One embodiment comprises: a housing; a bobbin, which is arranged inside the housing and is for mounting a lens; first coils arranged around the outer peripheral surface of the bobbin; a first magnet arranged in the housing; a second magnet arranged at the bobbin and spaced from the first coils; and a first position sensor arranged in the housing and sensing the intensity of a magnetic field of the second magnet, wherein the length of the second magnet in the direction of an optical axis is shorter than the length of thereof in the direction perpendicular to the direction of the optical axis. | 2021-02-25 |
20210055504 | OPTICAL MEMBER DRIVING MECHANISM - An optical member driving mechanism is provided, including a movable portion, a fixed portion, and a driving assembly. The movable portion is connected to an optical member. The fixed portion has an accommodating space, and the optical member is received in the accommodating space. The movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion. | 2021-02-25 |
20210055505 | MIRROR DEVICE, SCANNING LASER DEVICE AND SCANNING LASER DISPLAY INCLUDING SAME MIRROR DEVICE, AND METHOD FOR MANUFACTURING MIRROR DEVICE - A mirror device includes a frame body, a shaft member provided inside the frame body and connected to the frame body, and a reflection member fixed to the shaft member and provided so as to be capable of swinging around an axis of the shaft member. The reflection member has a base portion provided along an axial direction of the shaft member and a reflection portion provided on the base portion. The base portion has a three-dimensional uneven structure including a bottom wall portion having a main surface provided along the axial direction of the shaft member and a plurality of side wall portions extending from the bottom wall portion opposite to the reflection portion. | 2021-02-25 |
20210055506 | Primary-Subordinate Camera Focus Based On Lens Position Sensing - Various embodiments disclosed herein include techniques for maintaining multiple cameras in focus on same objects and/or at same distances. In some examples, a subordinate camera may be configured to focus based on the focus of a primary camera. For instance, a focus relationship between the primary camera and the subordinate camera may be determined. The focus relationship may characterize the trajectory of the lens position of the subordinate camera with respect to the lens position of the primary camera. In various examples, the focus relationship may be updated. | 2021-02-25 |
20210055507 | IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS - An imaging optical system according to the present disclosure includes a first lens, a second lens, and a third lens. The first lens includes an image-plane-side lens surface having an aspherical shape with an inflection point. The second lens has a meniscus shape including a concave surface toward object side. The third lens has a meniscus shape including a concave surface toward image plane side. The first lens, the second lens, and the third lens are disposed in order from the object side toward the image plane side. The imaging optical system is provided as a bi-telecentric optical system. | 2021-02-25 |
20210055508 | SUPPORTING ELEMENT AND PORTABLE OPTICAL IMAGING LENS - Provided is a supporting element having an object-side mechanical surface, an image-side mechanical surface, an inner-side connecting surface having a first and a second plane inner walls extending from at least one of the object-side and the image-side mechanical surfaces, and an outer-side connecting surface having a first and a second outer cutting surfaces respectively adjacent to the first and the second plane inner walls. The supporting element satisfies the following conditional expression. 4≤R/SD≤30. R represents half of a distance between the first and the second outer cutting surfaces. SD represents a smaller one of a first and a second distances, the former being the minimum distance between the first outer cutting surface and the first plane inner wall, the latter being the minimum distance between the second outer cutting surface and the second plane inner wall. A portable optical imaging lens is also provided. | 2021-02-25 |
20210055509 | IMAGING LENS - There is provided an imaging lens with excellent optical characteristics which satisfies demand of low-profileness and low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens with positive refractive power having an object-side surface being convex in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive or negative refractive power having an object-side surface being convex in a paraxial region, a fifth lens with positive or negative refractive power in a paraxial region, and a sixth lens with positive or negative refractive power having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied. | 2021-02-25 |
20210055510 | WIDE-ANGLE LENS, IMAGING MODULE AND CAMERA - The disclosure provides a wide-angle lens, an imaging module, and a camera. From an object side to an imaging plane, the wide-angle lens sequentially includes: a first lens and a second lens each having a negative refractive power, a convex object side surface, and a concave image side surface; a third lens having a positive refractive power and a convex image side surface; a fourth lens having a negative refractive power, a concave object side surface, and a convex image side surface; a stop; a fifth lens; a sixth lens; a seventh lens having a negative refractive power, a concave object side surface, and a concave image side surface; an eighth lens; and an optical filter. The fifth lens, the sixth lens, and the eighth lens each have a positive refractive power, a convex object side surface, and a convex image side surface. | 2021-02-25 |
20210055511 | LENS MODULE OF REDUCED SIZE AND ELECTRONIC DEVICE HAVING THE SAME - A robust lens module of reduced size includes an optical filter and a mounting bracket assembly. The mounting bracket assembly includes a first mounting frame and a second mounting frame. The first mounting frame is made of resin and includes side portions defining a receiving space. The second mounting frame includes a black oxidized metal sheet. The second mounting frame is divided into a first connecting ring, a second connecting ring, and a supporting ring. The first connecting ring is fixed on the side portions, the second connecting ring is connected to an inner side of the first connecting ring and protrudes into the receiving space, the supporting ring is connected to a side of the second connecting ring facing away from the first connecting ring. A device utilizing the lens module is also disclosed. | 2021-02-25 |
20210055512 | IMAGE CAPTURING APPARATUS MADE COMPACT IN SIZE - An image capturing apparatus that is made compact in the size of an apparatus body, particularly the lateral size thereof, without impairing operability thereof. The image capturing apparatus includes connection terminals for connecting external devices thereto, an air inlet port via which air is drawn in for cooling heat sources of an apparatus body, and an air outlet port via which the air is discharged. A connection terminal arrangement surface and an air outlet port arrangement surface form different surfaces and are inclined at predetermined angles with respect to an optical axis, respectively. The connection terminal arrangement surface and the air outlet port arrangement surface are arranged to be displaced in a left-right direction, as viewed from the side of the image capturing apparatus, and are arranged to overlap each other, as viewed from the front of the image capturing apparatus. | 2021-02-25 |
20210055513 | IMAGING LENS ASSEMBLY - The present disclosure discloses an imaging lens assembly, along an optical axis from an object side to an imaging side including sequentially a first lens assembly and a second lens assembly. The first lens assembly has a positive refractive power and along the optical axis from the object side to the imaging side includes sequentially: a first lens, having a positive refractive power and its object-side surface is convex; a second lens, having a negative refractive power; and a third lens, having a positive refractive power or a negative refractive power. The second lens assembly has a negative refractive power and along the optical axis from the object side to the imaging side sequentially includes: a fourth lens, having a negative refractive power; and a fifth lens, having a positive refractive power or a negative refractive power and its object-side surface is convex at a paraxial position. | 2021-02-25 |
20210055514 | OPTICAL IMAGING SYSTEM - The application discloses an optical imaging system. The system sequentially comprises the following components from an object side to an image side along an optical axis: a first lens having refractive power, an image side surface of which is a convex surface; a second lens having negative refractive power; a third lens having refractive power, the image side surface of which is a concave surface; a fourth lens having refractive power; a fifth lens having refractive power, the object side surface of which is a convex surface; a sixth lens with positive refractive power, the object side surface of which is a convex surface; a seventh lens having refractive power; an effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system meet the condition that f/EPD is less than 2; the effective focal length f of the optical imaging system, an effective focal length f1 of the first lens, and an effective focal length f2 of the second lens satisfy 0.12021-02-25 | |
20210055515 | OPTICAL IMAGING LENS - The application discloses an optical imaging lens, and the optical imaging lens sequentially comprises the following components 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 and a seventh lens, wherein the first lens has a refractive power; the second lens has a refractive power; the third lens has a refractive power, the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a convex surface; the fourth lens has a refractive power, the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the fifth lens has a refractive power; the sixth lens has a positive refractive power; and the seventh lens has a refractive power, and the object side surface of the seventh lens is a convex surface. Wherein, the total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens satisfy the following relation: f/EPD<1.7; and the total effective focal length f of the optical imaging lens and the maximum semi field of view Semi-FOV of the optical imaging lens meet the following relation: 4 mm2021-02-25 | |
20210055516 | OPTICAL IMAGING SYSTEM - The present disclosure discloses an optical imaging system including, sequentially from an object side to an image side along an optical axis: a first lens, having a refractive power with a convex object-side surface; a second lens, having a positive refractive power; a third lens, having a refractive power; a fourth lens, having a refractive power; a fifth lens, having a negative refractive power with a convex image-side surface; a sixth lens, having a refractive power with a concave image-side surface; and a seventh lens, having a refractive power. An effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system satisfy: f/EPD<1.5. | 2021-02-25 |
20210055517 | OPTICAL IMAGING LENS ASSEMBLY - The present disclosure discloses an optical imaging lens assembly including a first lens; a second lens with a convex object-side surface and a concave image-side surface; a third lens having a positive refractive power with a convex object-side surface; a fourth lens having a negative refractive power with a concave object-side surface; a fifth lens; a sixth lens with a convex object-side surface and a concave image-side surface, and at least one of the object-side surface and the image-side surface thereof having an inflection point; and a seventh lens having a refractive power with a convex object-side surface and a concave image-side surface, and at least one of the object-side surface and the image-side surface thereof having an inflection point, wherein a total effective focal length f and a radius of curvature R11 of the object-side surface of the sixth lens satisfy 1.002021-02-25 | |
20210055518 | CAMERA OPTICAL LENS - A camera optical lens is provided, including five lenses, which satisfies the following conditions: 0.60≤(R3+R4)/(R3−R4)≤0.7; −5.00≤(R5+R6)/(R5−R6)≤−4.20; 1.10≤d8/d9≤1.20; and 0.85≤(R9+R10)/(R9−R10)≤0.89; where R3 denotes a curvature radius of an object-side surface of the second lens; R4 denotes a curvature radius of an image-side surface of the second lens; R5 denotes a curvature radius of an object-side surface of the third lens; R6 denotes a curvature radius of an image-side surface of the third lens; R9 denotes a curvature radius of an object-side surface of the fifth lens; R10 denotes a curvature radius of an image-side surface of the fifth lens; d8 denotes an on-axis distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens; d9 denotes an on-axis thickness of the fifth lens. The camera optical lens satisfies a design requirement of a large aperture, ultra-thinness and a wide angle while having good optical functions. | 2021-02-25 |
20210055519 | LENS GROUP, CAMERA MODULE AND MOTION CAMERA - The disclosure provides a lens group, a camera module, and a motion camera. The lens group sequentially includes: a first lens and a second lens both having a negative refractive power, a convex object side surface, and a concave image side surface; a third lens with a negative refractive power and a concave object side surface; a fourth lens with a positive refractive power, and a convex object side surface; a stop; a fifth lens and a sixth lens both having a positive refractive power and a convex image side surface; a seventh lens with a negative refractive power, a concave object side surface, and a concave image side surface; an eighth lens with a positive refractive power, a convex object side surface, and a convex image side surface; and an optical filter. The sixth lens and the seventh lens form a cemented body. | 2021-02-25 |
20210055520 | CAMERA OPTICAL LENS - The present invention provides a camera optical lens including, from an object side to an image side, a first lens, a second lens, a third lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and a eighth lens. The first, third, fifth and seventh lens have positive refractive power, while the second, fourth, sixth and eighth lens have negative refractive power. The camera optical lens satisfies the following conditions: 0.70≤f1/f≤1.00; −20.00≤f4/f≤3.50; and 2.30≤f5/f≤4.50; where f denotes a focal length of the camera optical lens, and f1, f4 and f5 respectively denote a focal length of the first lens, the fourth lens and the fifth lens. The camera optical lens in the present disclosure satisfies a design requirement of large aperture, wide angle and ultra-thinness while having good optical functions. | 2021-02-25 |
20210055521 | CAMERA OPTICAL LENS - The present invention provides a camera optical lens including, from an object side to an image side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, a sixth lens having a negative refractive power, a seventh lens having a positive refractive power and a eighth lens having a negative refractive power. The camera optical lens satisfies the following conditions: 0.65≤f1/f≤0.85, 2.00≤f4/f≤5.00, and −5.50≤f5/f≤−2.50; where f, f1, f4 and f5 respectively denote a focal length of the camera optical lens, the first lens, the fourth lens and the fifth lens. The camera optical lens in the present disclosure has characteristics of large aperture, wide angle and ultra-thinness while having good optical functions. | 2021-02-25 |
20210055522 | CAMERA OPTICAL LENS - The present disclosure provides a camera optical lens satisfying following conditions: −0.35≤f1/f2≤−0.25; 1.20≤(f1+f4)/f≤1.30; 0.18≤d1/f≤0.22; 2.80≤R3/f≤3.50; and −0.28≤(R9+R10)/(R9−R10)≤−0.24, where f denotes a focal length of the camera optical lens; f1, f2 and f4 respectively denote a focal length of a first, second and third lenses; d1 denotes an on-axis thickness of the first lens; R3 and R9 respectively denote a curvature radius of an object-side surface of the second and fifth lenses; and R10 denotes a curvature radius of an image-side surface of the fifth lens. The camera optical lens has a good optical performance and further meets the design requirements of wide angle and ultra-thinness. | 2021-02-25 |
20210055523 | CAMERA OPTICAL LENS - The present invention provides a camera optical lens satisfying following conditions: 0.04≤R1/R2≤0.07, −3.60≤R3/R4≤−2.50, 1.55≤R5/R6≤1.80, 2.80≤R9/R10≤3.20, 0.65≤d8/d9≤0.85, and 0.56≤d6/d8≤0.60; where R1 and R1 respectively denote a curvature radius of an object-side surface and image-side surface of a first lens; R3 and R4 respectively denote a curvature radius of an object-side surface and image-side surface of a second lens; R5 and R6 respectively denote a curvature radius of an object-side surface and image-side surface of a third lens; R9 and R10 respectively denote a curvature radius of an object-side surface and image-side surface of a fifth lens; d6 and d8 respectively denote an on-axis distance from the third lens to the fourth lens and from the fourth lens to the fifth lens; and d9 denotes an on-axis thickness of the fifth lens. | 2021-02-25 |
20210055524 | CAMERA OPTICAL LENS - The present disclosure a camera optical lens is provided including, from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. The camera optical lens satisfies following conditions: 0.40≤f1/f≤0.48; −0.75≤f2/f≤−0.50; 1.20≤f4/f≤3.20; −1.40≤f5/f≤−1.10; 6.00≤d1/d2≤8.00; 0.80≤(R5+R6)/(R5−R6)≤6.50; and 3.00≤(R7+R8)/(R7−R8)≤10.00. The camera optical lens can achieve good optical performance while meeting the design requirements for long focal length and ultra-thinness. | 2021-02-25 |
20210055525 | CAMERA OPTICAL LENS - A camera optical lens is provided, including, from an object side to an image side in sequence: a first, second, third, fourth and fifth lens respectively having positive, negative, negative, positive and negative refractive power, which satisfies conditions: −0.17≤f1/f2≤−0.12; 1.80≤d1/d2≤2.20; 0.15≤d6/d8≤0.20; 8.00≤(R3+R4)/(R3−R4)≤10.00. f1 and f2 respectively denote focal length of the first and second lens; d1 denotes on-axis thickness of the first lens; d2, d6 and d8 respectively denote on-axis distance from image-side surface of the first lens to object-side surface of the second lens, from image-side surface of the third lens to object-side surface of the fourth lens and from image-side surface of the fourth lens to object-side surface of the fifth lens; R3 and R4 respectively denote curvature radius of object-side surface and image-side surface of the second lens. The camera optical lens can satisfy design requirement of large aperture, wide-angle and ultra-thinness while having good optical functions. | 2021-02-25 |
20210055526 | PHOTOGRAPHING OPTICAL LENS ASSEMBLY, IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE - A photographing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element with negative refractive power has a convex object-side surface and a concave image-side surface. The third lens element has refractive power. The fourth lens element has refractive power, and an object-side surface and an image-side surface thereof are aspheric. The fifth lens element with negative refractive power has a concave image-side surface, wherein an object-side surface and the image-side surface thereof are aspheric, and at least one of the object-side surface and the image-side surface thereof has at least one inflection point. | 2021-02-25 |
20210055527 | WIDE-ANGLE LENS, CAMERA MODULE AND CAMERA - The disclosure provides a wide-angle lens, a camera module, a camera and an imaging device. A first group includes a first lens and a second lens both has a negative refractive power. A second group includes a third lens and a fourth lens both has a positive refractive power. The third group includes a fifth lens and a sixth lens both has a positive refractive, a seventh lens has a negative refractive power, and an eighth lens has a positive refractive power, the sixth lens and the seventh lens form a cemented body. The wide-angle lens, the camera module, the camera and the imaging device provided by the disclosure adopts eight glass lenses, and has the characteristics of wide field of view and large aperture. | 2021-02-25 |
20210055528 | WIDE-ANGLE LENS, CAMERA MODULE AND CAMERA - The disclosure provides a wide-angle lens, a camera module and a camera. The wide-angle lens sequentially includes a first group, a stop, a second group, a third group and a filter. The first group sequentially includes a first lens with a negative refractive power, a second lens with a negative refractive power, and a third lens with a refractive power. The first lens is a meniscus lens. The second lens has a concave image side surface. The second group sequentially includes a fourth lens with a positive refractive power and a fifth lens with a positive refractive power, an image side surface of the fourth lens and an image side surface of the fifth lens are both convex. The third group sequentially includes a cemented doublet and an eighth lens. The eighth lens is a bi-convex lens. | 2021-02-25 |
20210055529 | EXTENDER LENS UNIT, ZOOM LENS, AND IMAGE PICKUP APPARATUS - An extender lens unit to be inserted into and removed from an optical path in a relay lens unit included in a zoom lens consists of a front unit having a positive refractive power, a middle unit having a negative refractive power, and a rear unit having a negative refractive power. The extender lens unit includes three negative lenses. The middle unit includes a negative lens. An average refractive index of positive lenses included in the extender lens unit, an average refractive index of negative lenses included in the extender lens unit, a focal length of the negative lens included in the middle unit, and a focal length of the middle unit are appropriately set. | 2021-02-25 |
20210055530 | OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE OPTICAL SYSTEM - An optical system (OL) used for an optical apparatus such as a camera ( | 2021-02-25 |
20210055531 | ZOOM LENS SYSTEM, IMAGE CAPTURE DEVICE, AND CAMERA SYSTEM - A zoom lens system includes: a first lens group having positive power; a second lens group having negative power; a third lens group having positive power; a fourth lens group having positive power; a fifth lens group having negative power; and a following lens group following the fifth lens group. The first to fifth lens groups and the following lens group are arranged in this order such that the first lens group is located closest to an object and that the following lens group is located closest to an image. While the zoom lens system is zooming, intervals between the respective lens groups change. While the zoom lens system is focusing from an infinity focus point through a shortest shooting range, a plurality of negative lens groups included in the fifth lens group and the following lens group move. | 2021-02-25 |
20210055532 | RADIATION SOURCES FOR COLORANTS - In an example, apparatus includes a first radiation source to output radiation at a first waveband and a second radiation source to output radiation at a second waveband, which is different from the first waveband. The apparatus may receive a medium having marked thereon a first colorant and a second colorant and the first and second wavebands may be selected such that an energy absorbance efficiency of the first colorant is higher than that of the second colorant at the first waveband and an energy absorbance efficiency of the second colorant is higher than that of the first colorant at the second waveband. | 2021-02-25 |
20210055533 | SAMPLE CARRIER FOR MICROSCOPY AND OPTICAL DENSITY MEASUREMENTS - Apparatus and methods are described for determining a property of a bodily sample using a microscope and optical-density-measurement apparatus, the apparatus including a sample carrier that includes a plurality of microscopy sample chambers configured to receive a first portion of the sample and to facilitate imaging of the first portion of the sample by the microscope, each of the microscopy sample chambers having an upper and a lower surface, and having respective heights between the upper and lower surfaces that are different from each other. The sample carrier includes at least one optical-density-measurement chamber configured to receive a second portion of the sample, and to facilitate optical density measurements being performed optical-density-measurement apparatus upon the second portion of the sample. Other applications are also described. | 2021-02-25 |
20210055534 | VACUUM TRANSFER ASSEMBLY - The present invention is in the field of a vacuum transfer assembly, such as for cryotransfer, and specifically a TEM vacuum transfer assembly, which can be used in microscopy, a sample holder, a vacuum housing, a sample holder stage and a sample holder coupling unit for use in the assembly, and a microscope comprising said assembly as well as a method of vacuum transfer into a microscope. | 2021-02-25 |
20210055535 | PREDICTING STRUCTURED ILLUMINATION PARAMETERS - Implementations of the disclosure are directed to predicting structured illumination parameters for a particular point in time, space, and/or temperature using estimates of structured illumination parameters obtained from structured illumination images captured by a structured illumination system. Particular implementations are directed to predicting structured illumination frequency, phase, orientation, and/or modulation order parameters. | 2021-02-25 |
20210055536 | REFLEX SIGHT WITH SUPERLUMINESCENT MICRO-DISPLAY, DYNAMIC RETICLE, AND METADATA OVERLAY - A reflex site having a superluminescent micro-display, dynamic reticle, and metadata overlay is provided. The reflex site may include a housing; an optical collimator lens with a dichroic coating configured to reflect one or more wavelengths of light, wherein a target is viewable by a user through the optical collimator lens; a superluminescent micro-display that projects onto the optical collimator lens a reticle image for a desired point of impact of a bullet on a target and a related metadata overlay, wherein the reticle image and the related metadata overlay are superimposed on a view of the target viewable through the optical collimator lens, such that the target, the reticle image, and the related metadata overlay are all directly visible to the user, when viewing the target through the optical collimator lens; a microprocessor that calculates a ballistic solution for the target and generates the reticle image for the desired point of impact of the bullet on the target based on the calculated ballistic solution, the microprocessor providing a signal containing the reticle image and the related metadata overlay to the superluminescent micro-display; a power system that provides power to the superluminescent micro-display and the microprocessor; a rail grabber configured to couple the reflex sight to a barrel of a weapon; and a boresighting mechanism configured to align the reflex sight with the barrel. | 2021-02-25 |
20210055537 | SYSTEMS AND METHODS FOR DISPLAYING MEDICAL VIDEO IMAGES AND/OR MEDICAL 3D MODELS - Computer-assisted surgical systems and methods provide intraoperative playback of and interaction with recorded video images and/or a 3D model while displaying current video images. The methods and related surgical systems involve capturing, by a two-dimensional (2D) or three-dimensional (3D) video camera, current video images and recording the captured video images. A user interface displays the current video images and the recorded video images and/or the 3D model and enables a user to interact with either or both of them. | 2021-02-25 |
20210055538 | OPTICAL SYSTEM HAVING TAPERED LIGHT TRANSMISSION ELEMENT - In one aspect, an optical system is disclosed, which comprises a lens having an input surface for receiving light from at least one light source and an output surface through which the light exits the lens, said lens further comprising a peripheral surface extending between said input surface and said output surface and configured to direct, via total internal reflection, at least a portion of the light incident thereon through said output surface to an output focal point. The optical system can further include a tapered light pipe optically coupled to the lens and a light guide (e.g., one or more optical fibers) that is optically coupled to the tapered light pipe. The lens directs the received light to an output focal point that is disposed within the tapered light pipe. | 2021-02-25 |
20210055539 | OPTICAL SYSTEM - An optical system is provided and includes a fixed assembly, a movable element and a driving module. The fixed assembly has a main axis. The movable element is movable relative to the fixed assembly, and the movable element is connected to a first optical element. The driving module is configured to drive the movable element to move relative to the fixed assembly. | 2021-02-25 |
20210055540 | PISTON-MODE SPATIAL LIGHT MODULATOR - A piston-mode spatial light modulator (SLM) includes a mirror and an electrode. The electrode is attached to the mirror. The electrode includes: a rigid body; and three spring legs coupled to the rigid body and configured to displace the rigid body responsive to an electrostatic force applied to the electrode. | 2021-02-25 |
20210055541 | MIRROR DEVICE, SCANNING LASER DEVICE AND SCANNING LASER DISPLAY INCLUDING SAME MIRROR DEVICE, AND METHOD FOR MANUFACTURING MIRROR DEVICE - A mirror device includes a frame body, a shaft member provided inside the frame body and connected to the frame body, and a reflection member fixed to the shaft member and provided so as to be capable of swinging around an axis of the shaft member. The reflection member has a base portion provided along an axial direction of the shaft member and a reflection portion provided on the base portion. The base portion has a three-dimensional uneven structure including a bottom wall portion having a main surface provided along the axial direction of the shaft member and a plurality of side wall portions extending from the bottom wall portion opposite to the reflection portion. | 2021-02-25 |
20210055542 | MIRROR DEVICE, SCANNING LASER DEVICE AND SCANNING DISPLAY INCLUDING SAME MIRROR DEVICE, AND METHOD FOR MANUFACTURING MIRROR DEVICE - A mirror device includes a frame body, a shaft member provided inside the frame body and connected to the frame body at both end portions, and a reflection member fixed to the shaft member and provided so as to be capable of swinging around an axis of the shaft member. The reflection member has a base portion provided along an axial direction of the shaft member and a reflection portion provided on the base portion. The base portion has a three-dimensional uneven structure including a bottom wall portion having a main surface provided along the axial direction of the shaft member and a plurality of side wall portions extending from the bottom wall portion on the side opposite to the reflection portion. | 2021-02-25 |
20210055543 | MEMS MIRROR FOR OCT PROBE AND METHOD OF MANUFACTURING SUCH MEMS MIRROR - A forward looking MEMS based OCT probe ( | 2021-02-25 |
20210055544 | OPTICAL DEVICE AND METHOD OF FABRICATING OPTICAL DEVICE - An optical device that can adjust the optical characteristics by a simple structure and a fabrication method thereof are provided. The optical device ( | 2021-02-25 |