The present disclosure is directed to reflective microstructures where at least part of the reflective surface of the microstructure is radially symmetric around a given axis. The disclosure is also directed to articles comprising the reflective microstructures.
G02B 5/136 - Reflex reflectors plural reflecting elements forming part of a unitary body
E01F 9/524 - Reflecting elements specially adapted for incorporation in or application to road surface markings
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
2.
REFLECTIVE TILE, TILED FREQUENCY SELECTIVE REFLECTIVE CONSTRUCTION, AND WIRELESS SYSTEM
A tiled frequency selective reflective construction includes a plurality of reflective tiles. The plurality of reflective tiles is arranged along mutually orthogonal in-plane first and second directions. Each of the reflective tiles includes a plurality of spaced apart electrically isolated metallic elements forming mutually orthogonal rows and columns of the metallic elements. Each of the metallic elements has an average in-plane outermost radius, such that for at least a first row of the metallic elements, a first plot of the radius versus a location of the metallic elements along the first row includes a first global peak radius at a first location, a local peak radius at a second location, and a first global minimum radius at a third location between the first and second locations.
The application aims to provide a film application device capable of applying a film with high quality regardless of the shape of a target object. An exemplary embodiment is directed to a film application device that attaches a film to a target object, containing: a pressing roller that presses a film against an application surface of the target object and moves from a leading edge to a trailing edge of the film in a film application direction; at least two pillar members provided on the trailing edge in the film application direction, mutually separated in the film application direction and a width direction intersecting the vertical direction; and a holding mechanism provided on each pillar member, holding the trailing edge of the film and capable of adjusting the position thereof in the vertical direction relative to the pillar members.
Aspects of the present disclosure relate to a method and system. The method includes obtaining a spray gun platform (206) and a spray gun nozzle assembly (208). The method can include assembling the spray gun platform (206) and the spray gun nozzle assembly such that the nozzle gas inlet is coupled with the platform gas passageway (228). The method can also include coupling an adhesive cartridge (204) containing the adhesive to the nozzle liquid inlet. The adhesive cartridge (204) is configured to be pressurized from a gas source. The method can also include activating a trigger of the spray gun platform (206).
B05B 7/24 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
5.
LIGHT SHIELDING ARTICLES AND ELECTROMAGNETIC RECEIVERS AND/OR EMITTERS INCLUDING THE SAME
Light shielding articles are provided. Light shielding articles include a first multilayer optical film comprised of alternating first and second polymeric optical layers collectively reflecting at an incident light angle of at least one of 0°, 15°, 30°, 45°, 60°, or 75°, an average of at least 70, 80, 90, or 95 percent of incident visible light over at least a wavelength range from 400 nanometers (nm) to 700 nm. The light shielding articles further include either a second multilayer optical film or a barrier coating disposed on the first multilayer optical film. The light shielding article transmits at an incident light angle of at least one of 0°, 15°, 30°, 45°, 60°, or 75°, an average of at least 70, 80, 90, or 95 percent of incident radio frequency waves in at least one wavelength range from 1 mm to 10 mm, 10 mm to 100 mm, or 100 mm to 1000 mm. Additionally, an electromagnetic receiver and/or emitter is provided that includes a light shielding article according attached to at least a portion of the electromagnetic receiver and/or emitter.
A multi-stage friction brake assembly that includes a primary rotor and a secondary rotor that is rotatable relative to the primary rotor. The primary and secondary rotors are configured so that in ordinary use of the multi-stage brake assembly, the secondary rotor remains in a first rotational position relative to the primary rotor. The primary and secondary rotors are further configured so that if a rotational force above a predetermined threshold is encountered, the secondary rotor will rotate relative to the primary rotor through a predetermined rotational travel distance. The multi-stage friction brake assembly may be installed in a fall-protection apparatus.
A62B 35/00 - Safety belts or body harnessesSimilar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
F16D 59/00 - Self-acting brakes, e.g. coming into operation at a predetermined speed
An optical film includes a plurality of optical repeat units where each optical repeat unit includes at least two different polymeric layers. The optical repeat units can have an f-ratio that varies along a thickness direction of the optical film to allow independent selection of bandwidths of primary and higher order reflection bands. A ratio of band edge wavelengths of a primary reflection band can be greater than a corresponding ratio of band edge wavelengths of an nth-order reflection band, where n is an integer greater than 1, by at least about 7%. A band edge wavelength of an nth-order reflection can differ from a corresponding band edge wavelength of a primary reflection band divided by n by at least about 12% of a width of the nth-order reflection band.
Embodiments of the present invention relates to an acoustic article comprising: a melt-blown microfiber, two or more polyester fibers forming a web matrix along with the melt-blown microfiber, wherein grade of a first polyester fiber is different from the grade of a second polyester fiber in the web matrix thereby creating less affinity between these fibers, and one of the two polyester fibers is a recycled polyester fiber; and a first and second scrim layer placed at opposing surface of the web matrix.
A two-part epoxy adhesive comprises a Part A and a Part B. Part A comprises, based on the total weight of components a) and b): a) 99.5 to 99.99 weight percent of at least one curable epoxy resin; and b) 0.01 to 0.5 weight percent of at least one pH indicator dye exhibiting an abrupt color change from colorless to a color in the pH range of 8.0-10.6. Part B comprises, based on the total weight of components c)-f): c) 89 to 97 weight percent of at least one aliphatic primary polyamine; d) 1 to 3 weight percent of at least one tris(2,4,6-dialkylaminoalkyl)phenol having from 13 to 24 carbon atoms; e) 1 to 3 weight percent of at least one aliphatic tertiary 1,3-bis(N,N-dialkylaminoalkyl)urea having from 6 to 24 carbon atoms; and f) 1 to 5 weight percent at least one of an alkali metal nitrate or an alkaline earth nitrate. The ratio of the total combined weight of components a) and b) to the total combined weight of components c)-f) is in the range 1.0 to 1.5. A reaction product thereof and a method of bonding are also disclosed.
B32B 15/092 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising epoxy resins
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/26 - Layered products essentially comprising synthetic resin characterised by the use of special additives using curing agents
Microspheres and retroreflective articles are described. In one embodiment, the microspheres comprise at least 40 wt. % alumina, at least 35 wt. % zirconia, and silica. In another embodiment, the microspheres comprise at least 80, 85, or 90 wt. % of a combination of alumina, zirconia, and silica and the microspheres have a density of at least 3.
A communication system includes a plurality of groups of wireless units and each group includes a plurality of wireless units. Each wireless unit of each group includes a processor and is in full-duplex communication with each of the other wireless units of the corresponding group. Each wireless unit of each group is configured as one of a master unit and a slave unit of the corresponding group. The processor of the master unit of a first group forms a first intergroup communication channel with the master unit of a second group in response to a first user input to communicably couple the first group to the second group. Upon formation of the first intergroup communication channel, each slave unit of the first group is in full-duplex communication with each slave unit of the second group via the corresponding master units of the first and second groups.
An optical system includes a partial reflector having an average optical reflectance of at least 30% in a plurality of wavelengths, an image source disposed to emit image light toward the partial reflector, and a reflective polarizer disposed proximate the partial reflector. The reflective polarizer is curved about two orthogonal axes and can include at least one layer substantially optically uniaxial at at least one location. The image light may be transmitted by the reflective polarizer after it is first reflected by the reflective polarizer. Substantially any chief light ray 10 having at least first and second wavelengths at least 150 nm apart in the plurality of wavelengths and emitted by the image source and transmitted by a stop surface or exit pupil of the optical system has a color separation distance of less than 1.5 percent of a field of view.
A display system includes an optical system and a curved display disposed to emit light toward the optical system. The optical system includes at least a first optical lens, a partial reflector and a reflective polarizer. The optical system has an optical axis such that a light ray propagating along the optical axis passes through the first optical lens the partial reflector and the reflective polarizer without being substantially refracted. At least one major surface of the optical system can be rotationally asymmetric about the optical axis. A major surface of the optical system may have a first portion defined by a first equation and a second portion adjacent the first portion defined by a different equation. The first optical lens may have a contoured edge adapted to be placed adjacent an eye of a viewer and substantially conform to the viewer's face.
Methods for active data center management by injecting randomized controlled signals in the operational controls of the cooling infrastructure of the data center and receiving response signals corresponding with the injected signals. The injected signals are used to adjust the operational controls of the cooling infrastructure, and the response signals relate to the operational conditions in the data center. Based upon the response signals along with independent and external variables, the randomized signals are continually injected into the cooling infrastructure and fine-tuned based upon the response signals. Optimum or improved parameters for controlling the cooling infrastructure of the data center are determined based upon the signal injections and corresponding responses.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
G05B 15/02 - Systems controlled by a computer electric
A washing/waxing concentrate, a waxing/washing composition obtainable by diluting the concentrate, and methods of concurrently washing and waxing a surface using the washing/waxing composition. The washing/waxing concentrate and composition comprises a first, aqueous washing phase and a second, hydrophobic waxing phase. The second, hydrophobic waxing phase comprises a hydrophobic, film-forming material that is present in the form of droplets that are stabilized by an electrostatic complex coacervate formulated using anionic polymer along with cationic polymer. The washing/waxing concentrate and composition further comprises a surfactant package comprising an anionic surfactant.
An optical film includes a microstructured surface comprising a plurality of prismatic structures, the microstructured surface defining a reference plane and a thickness direction perpendicular to the reference plane; wherein the plurality of prismatic structures includes a plurality of facets, each facet having a facet normal direction forming a polar angle with respect to the thickness direction and an azimuthal angle along the reference plane, and wherein the microstructured surface has a surface azimuthal distribution of the plurality of facets that is substantially uniform, and wherein the microstructured surface has a surface polar distribution of the plurality of facets that has an off-axis peak polar distribution.
Described herein is a hyperbranched polythioether comprising a plurality of terminal functional groups, wherein the terminal functional groups comprise a terminal carbon-carbon double bond or a thiol group, and wherein the hyperbranched polythioether has a refractive index of at least 1.600 and a number average molecular weight of at least 1000 g/mol and at most 5000 g/mol. In some embodiments, the hyperbranched polythioether is reacted with a multifunctional compound, wherein the multifunctional compound has a complimentary terminal functional group which can react with the hyperbranched polythioether in a thiol-ene reaction. These curable compositions when cured have a high refractive index of at least 1.660 (when measured at 450 nm) and may be used in optical devices.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
C08L 83/14 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon onlyCompositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
19.
COMPOSITES CONTAINING GRAPHENE COATED HOLLOW PARTICLES USEFUL IN HIGH FREQUENCY APPLICATIONS
A composite comprising a polymeric matrix and coated particles dispersed within the polymeric matrix. The coated particles comprise hollow particles made from electrically resistive material, and a coating comprising graphene flakes in direct contact with the outer surface of the hollow particles. The hollow particles are made by mechanically exfoliating layered graphene to create graphene flakes and coating the hollow particles with the graphene flakes. The composites may be used as electromagnetic interference (EMI) mitigation materials in high frequency applications.
A method includes receiving a plurality of current objects and user identities and receiving a plurality of prior clustering decisions executed by each user. The method also includes generating at least one policy per user based on at least some of their prior clustering decisions and generating a cognitive profile for each user based upon a plurality of their policies. The method further includes generating at least one superordinate-level cluster corresponding to the at least one policy associated with a user's cognitive profile.
A composition is described comprising an epoxy resin and a dicyandiamide salt comprising an anion selected from sulfonate or phosphonate. In typical embodiments, the dicyandiamide cation has the formula: wherein one or more of R1, R2, R3, and R4 are hydrogen. Also described is a method of bonding, an adhesive bonded article, and a method of synthesizing a dicyandiamide salt.
A composition is described comprising an epoxy resin and a dicyandiamide salt comprising an anion selected from sulfonate or phosphonate. In typical embodiments, the dicyandiamide cation has the formula: wherein one or more of R1, R2, R3, and R4 are hydrogen. Also described is a method of bonding, an adhesive bonded article, and a method of synthesizing a dicyandiamide salt.
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C07C 279/28 - Derivatives of guanidine, i.e. compounds containing the group the singly-bound nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of guanidine groups bound to cyano groups, e.g. cyanoguanidines, dicyandiamides
A polygonal cluster includes a plurality of substantially parallel polymeric columns disposed inside an outermost polygonal perimeter of the polygonal cluster and extending along a thickness direction between opposing first and second major surfaces of the polygonal cluster; and a common first material substantially filling regions within the polygonal perimeter between the polymeric columns and across the thickness of the polygonal cluster, such that in a cross-section of the polygonal cluster in a plane substantially orthogonal to the thickness of the cluster, for at least each of a plurality of first polymeric columns in the plurality of polymeric columns disposed adjacent the perimeter of the cluster, the first polymeric column has a pear shape having a wider portion facing the perimeter and a narrower portion facing away from the perimeter.
A respirator is disclosed. The respirator includes a mask body and a harness. The mask body includes polypropylene in an amount of between 60 and 100 weight percent. The harness is attached to the mask body. The harness includes elastomeric polypropylene-miscible copolymer in an amount of between 80 and 100 weight percent. The respirator includes an overall composition of polypropylene of at least 80 weight percent. The respirator includes an overall composition of ethylene of less than 10 weight percent. The respirator may be consistent with definition of recyclable according to Association of Plastic Recyclers (APR) standards for polypropylene.
A battery pack includes at least one electrochemical cell, a main housing, at least one projection, and a lock member. The main housing defines a longitudinal axis extending between front and rear surfaces, a transverse axis orthogonal to the longitudinal axis and extending between pair of lateral surfaces, a height axis extending between upper and lower surfaces and orthogonal to each of the longitudinal axis and the transverse axis, and a longitudinal plane of symmetry extending between the front surface and the rear surface and disposed parallel to each of the longitudinal axis and the height axis. The at least one projection is asymmetrically positioned with respect to the longitudinal plane of symmetry of the main housing. The lock member defines a lock slot therein extending along the transverse axis, such that the lock slot is asymmetrically positioned with respect to the longitudinal plane of symmetry of the main housing.
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
A defect detection and ranking system for a vehicle assembly line is provided. The system includes an image capture device that captures a plurality of images of a vehicle on the vehicle assembly line. The system also includes a defect detector that analyzes the plurality of captured images and, based on the analysis, detects a plurality of defects on the surface of the vehicle. Each of the plurality of defects has an associated x-y-z coordinate location, a defect type, and a defect severity. The system also includes a datastore containing a vehicle specification, for the vehicle on the vehicle assembly line, and a defect priority based on the vehicle specification. The system also includes a defect prioritization generator configured to: receive the plurality of defects from the defect detector, retrieve the vehicle specification and the defect priority, and apply the defect priority to the plurality of defects, and output a prioritized list of defects, wherein the prioritized list of defects. The defect prioritization generator outputs the prioritized list of defects to an output device associated with the vehicle assembly line.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
Lightning strike protection films, along with related assemblies and methods, are provided. These films include an electrically-conductive layer having a plurality of perforations arranged in a hexagonal lattice pattern, wherein the perforations are generally hexagonal. Advantageously, conductive films based on hexagonal perforations can provide greater protection than circular holes for the equivalent weight conductor, thus providing superior lightning strike protection for a given weight.
H02G 13/00 - Installations of lightning conductorsFastening thereof to supporting structure
B32B 3/12 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
B32B 15/14 - Layered products essentially comprising metal next to a fibrous or filamentary layer
27.
METHODS, MEDIA, AND SYSTEMS FOR HUMAN IN THE LOOP SUPERVISION FOR REAL-TIME MACHINE ASSISTED NOTES CLUSTERING
A method includes receiving data that sorts objects into preliminary clusters and generating models comprising clustering decisions leading to formation of the preliminary clusters. The method also includes generating, based on the models, predictions about sequences of clustering decisions to be made by users and comparing the models to subsequent clustering decisions made by the users. The method further includes identifying at least one model meeting at least one threshold for accuracy, specificity, or both, for a plurality of the users and generating, using the at least one identified model, a plurality of superordinate level clusters that each comprise clustering strategies exhibited by a plurality subset of the users, wherein at least some of the users corresponding to the superordinate level clusters differ among the superordinate level clusters.
A folded optical system includes a display, a lens assembly, and a multilayer beam shaping film disposed between the lens assembly and the display. The folded optical system is configured to display a virtual image for viewing at an exit pupil of the system. The lens assembly includes a first lens disposed in a cavity defined by a partial reflector and a reflective polarizer. The beam shaping film includes lenses arranged on an opaque layer, which defines a plurality of through openings aligned with the lenses. For an emitted cone of image light, the beam shaping film transmits and shapes the emitted cone so that the transmitted shaped cone exits the lens assembly and is incident on the exit pupil as a collimated image light having first energy E1, and passes through the exit pupil, the passed through collimated image light having second energy E2, such that E2/E1 ≥ 0.2.
A backlight includes an extended illumination source configured to emit light. The emitted light includes an emitted spectrum including respective non-overlapping first and second emitted FWHMs. The backlight includes one or more light converting films disposed on the extended emission surface including green and red emission spectra having corresponding non-overlapping green and red FWHMs. The backlight includes an optical film disposed on the one or more light converting films opposite the extended emission surface. For a substantially collimated incident light, a first incident angle of less than about 10 degrees, for each of mutually orthogonal in-plane first and second polarization states, the plurality of polymeric layers has an average optical transmittance of less than about 10% for wavelengths across the first emitted FWHM, and an average optical transmittance of greater than about 60% and less than about 95% for each of the second, green, and red FWHMs.
Microspheres and retroreflective articles. In one embodiment, the microspheres comprise at least 30 wt. % alumina, at least 35 wt. % zirconia, and silica. In another embodiment, the microspheres comprise at least 30 wt. % alumina, at least 30 wt. % zirconia, and silica; wherein the wt. % zirconia is greater than the wt. % alumina.
Methods and systems of roll coating are provided. An applicator applies a liquid material onto a receiving roll to form a liquid pattern, which is then directly or indirectly transferred onto a substrate surface under an impression force to form a continuous coating on the substrate surface.
B05D 1/28 - Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
B41F 19/00 - Apparatus or machines for carrying out printing operations combined with other operations
B41J 2/005 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
A method includes receiving data that sorts objects into preliminary clusters and generating models comprising clustering decisions leading to formation of the preliminary clusters. The method also includes generating, based on the models, predictions about sequences of clustering decisions to be made by users and comparing the models to subsequent clustering decisions made by the users. The method further includes identifying at least one of the models meeting at least one accuracy threshold, at least one specificity threshold, or both, for a plurality of the users and generating, using the at least one identified model, a superordinate level cluster comprising one or more clustering strategies from a plurality of the users.
An optical system includes a display, a lens assembly, and a multilayer beam shaping film disposed between the lens assembly and the display. The optical system is configured to display a virtual image for viewing at an exit pupil of the optical system. The beam shaping film includes an array of optically transparent lenses arranged two-dimensionally on an opaque layer. The opaque layer defines a plurality of through openings aligned with the lenses. For a cone of image light emitted from each location on the image formed by the display, the beam shaping film transmits and shapes the emitted cone so that the transmitted shaped cone exits the lens assembly as a collimated image light having first integrated energy E1 and passes through, and substantially fills, the exit pupil, the passed through collimated image light having second integrated energy E2, such that E2/E1 ≥ 0.2.
A polishing pad including a polishing layer having a working surface of a first material having a land region including at least one of a plurality of pores and a plurality of asperities, and a cover layer disposed on at least a portion of the working surface, wherein the cover layer is of a second material, the second material being more hydrophobic than the first material.
A primer compound is provided that can be used as an adhesion promoter on various substrates, particularly metal-containing substrates. Articles containing a metal-containing substrate and a primer layer, which includes the primer compound, positioned adjacent to the substrate are also provided. The articles often include an adhesive layer with the primer layer positioned between the metal-containing substrate and the adhesive layer. The primer compound has a diketone group that can form chelates with various metals through coordination chemistry plus a thiol group that can react with components in the adhesive layer.
C07C 323/52 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 7/14 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
Apparatuses, systems, and methods for dispensing a liquid are described. Apparatuses and systems can dispense a liquid in a dispense operation at a dispense rate from a start point on a substrate surface to a terminate point on the substrate surface. A measurement device can detect geometric parameters of a shape formed by the dispensed liquid on the substrate surface. Control circuitry can control at least one of an approach speed at which the dispenser approaches the start point prior to the dispense operation and an exiting speed at which the dispenser moves away from the terminate point subsequent to the dispense operation based on the detected geometric parameters of the shape. Algorithms can operate on remote or local software and control systems, or as part of an edge computing system or Internet of Things (IoT) system.
A system for dispensing an adhesive, the system including a chamber that holds at least two flexible containment vessels, the at least two flexible containment vessels holding at least a part 1 and a part 2; and at least two adhesive delivery channels, a first adhesive delivery channel connected to the containment vessel to receive part 1 and a second adhesive delivery channel connected to the containment vessel to receive part 2; a 10 motor; at least a first variable positive displacement pump wherein the first variable positive displacement pump is actuated by the motor; and a mixing tip designed to receive part 1 and part 2 from the at least two adhesive delivery channels, mix at least part 1 and part 2 together and dispense the adhesive through a dispensing end.
B05C 17/005 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure
B05C 17/01 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure with mechanically or electrically actuated piston or the like
F04B 13/00 - Pumps specially modified to deliver fixed or variable measured quantities
F04B 43/12 - Machines, pumps, or pumping installations having flexible working members having peristaltic action
A self-contained breathing apparatus (SCBA) facemask with a multimodal communication system. The multimodal communication system includes a receiving module and includes a near field magnetic induction (NFMI) constituent that includes an NFMI antenna that is integrated into the facemask.
Nozzle body (1) for a liquid spray gun for spraying a liquid, the nozzle body comprising a tubular nozzle tube, comprising a) an elongated nozzle tube passage (58), extending between a nozzle tube inlet and a nozzle tube outlet (52), b) a nozzle tube wall (71). In an outlet cross section taken in a plane through the nozzle tube outlet (52) orthogonal to the spray axis (200), the nozzle tube outlet has a central portion (80) and two or more protrusions (82) protruding radially outward from the central portion. Each protrusion (82) is located at a respective angular protrusion position as measured in the outlet cross section circumferentially around the spray axis (200). In the outlet cross section, the outer surface (75) of the nozzle tube wall (71) forms a recess (90) receding radially inward towards the spray axis (200), through which recess atomizing gas exits into outside air (93). The recess is located at an angular recess position as measured in the outlet cross section circumferentially around the spray axis (200). In the outlet cross section, the angular recess position is located angularly between the respective angular protrusion positions of two protrusions (82), adjacent to each other, of the two or more protrusions.
A display system includes a light source emitting blue light including blue wavelength, and UV light including UV wavelength. A first multilayer optical film (MOF) is disposed between a display panel and a second MOF. Light conversion films receive and convert emitted blue light to green and red lights. At incident angles of less than 10 degrees, the first MOF transmits greater than 50% of light for the blue wavelength and reflects greater than 60% for green and red peak wavelengths. The second MOF transmits greater than 50% for blue, green and red peak wavelengths, and reflects greater than about 60% for the UV wavelength. At oblique incident angles, the first MOF reflects greater than 50% for the blue, green and red peak wavelengths, and the second MOF transmits greater than 50% for the blue, green and red peak wavelengths, and transmits greater than 60% for the UV wavelength.
The present disclosure provides a buckle for adjustably connecting a strap extending from a head harness of a respirator to a mask of the respirator. The buckle includes a main body defining a first end, a second end opposing the first end, and a longitudinal axis extending along a length of the main body from the first end to the second end. The main body includes a first body portion extending from the first end. The first body portion includes a first major surface and a second major surface opposing the first major surface. The main body further includes a second body portion and a plurality of serrations extending from the first major surface and spaced apart from each other with respect to the longitudinal axis. The buckle further includes a ring including a first ring portion and a second ring portion opposing the first ring portion.
A personal respiratory protection device comprising an upper panel, a central panel, and a lower panel, the central panel being separated from each of the upper and lower panels by a first and second fold, seam, weld or bond, respectively, such that device is capable of being folded flat for storage along the first and second fold, seam, weld or bond and opened to form a cup-shaped air chamber over the nose and mouth of the wearer when in use, wherein the upper panel has a graspable upper tab, the upper tab being graspable in use to open the device.
A connector assembly is disclosed. The connector assembly includes a connector comprising a dielectric housing, a plurality of electrically conductive terminals disposed at least partially in the dielectric housing, and a connector support assembled to the connector. The connector support includes a pair of U-shaped side supports disposed on opposite sides of the dielectric housing and a pair of elongated fasteners for fastening the connector to a plate. A cable includes a plurality of conductors received inside the dielectric housing through cable opening of the housing and terminated at the termination portions of the conductive terminals.
Aspects of the present disclosure relate to antistatic articles, including systems, and methods of use thereof. The article can include a fabric layer having a first fabric side and a second fabric side, and a polymeric antistatic layer disposed in a direction towards the second fabric side. The polymeric antistatic layer comprises an antistatic polymer.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
A first communication device of a plurality of communication devices is described. Each one of the plurality of communication devices other than the first communication device supports at least audio communication at least with the first communication device using at least one of a first communication protocol and a second communication protocol. The first communication device supports the at least audio communication using at least the first communication protocol and the second communication protocol, where the first and second communication protocols are different. The first communication device includes processing circuitry that causes the first communication device to transfer audio one of from a second communication device using the second communication protocol to a third communication device using the first communication protocol and from the third communication device using the first communication protocol to the second communication device using the second communication protocol.
A polymeric film has an orthogonal length, width and thickness. The polymeric film includes first and second substrates spaced apart along the thickness and a plurality of crumpled elements extending between the first and second substrates and along the length. The crumpled elements are substantially coextensive with the first and second substrates along the length and are spaced apart along the width.
B29D 11/00 - Producing optical elements, e.g. lenses or prisms
B29K 23/00 - Use of polyalkenes as moulding material
B29K 67/00 - Use of polyesters as moulding material
B32B 3/28 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer comprising a deformed thin sheet, e.g. corrugated, crumpled
B32B 7/02 - Physical, chemical or physicochemical properties
A hearing protection device (10, 10′) comprises at least one earmuff (12, 14) or earplug (12′, 14′), optionally a headband (18, 18′) for carrying the at least one earmuff (12, 14) or earplug (12′, 14′), electronic equipment (13b, 13c, 13d), sound-absorbing material and a haptic sensing unit (11, 11a, 11b) to sense a touch pattern occurring on at least a first portion of the hearing protection device (10, 10′), optionally of the at least one earmuff (12, 14) or earplug (12′, 14′) and/or of the headband (18, 18′). A method of operating a hearing protection device (10, 10′) comprises the steps of providing a haptic sensing unit (11, 11a, 11b) having a haptic sensor (146a, 146b, 146c) configured to sense a touch pattern occurring on at least a first portion of the hearing protection device (10, 10′), optionally of the at least one earmuff (12, 14) or earplug (12′, 14′) and/or of the headband (18, 18′); executing a command when the haptic sensor senses (146a, 146b, 146c) a touch pattern occurring on at least a first portion of the hearing protection device (10, 10′), optionally at least one earmuff (12, 14) or earplug (12′, 14′) and/or of the headband (18, 18′); and triggering a particular state for the hearing protection device (10, 10′) based on the touch pattern sensed, wherein the it provides for a button-less hearing protection device (10, 10′) not requiring space and holes in the outer shell. Just tapping on a portion of the hearing protection device (10, 10′) will initiate operational switching thereof, i. e.—upon sensing of a touch pattern, a command is executed.
A non-rechargeable battery pack for use with a device includes a non-rechargeable battery connector and a first battery pack transistor. The rechargeable battery connector is configured to detachably and electrically connect the rechargeable battery pack to the device. The non- rechargeable battery connector includes a first terminal and second terminal. The first battery pack transistor includes a first gate electrically connected to the first terminal and a first drain electrically connected to the second terminal. When the non-rechargeable battery connector is detachably and electrically connected to the device, the first gate of the first battery pack transistor is configured to receive a high voltage signal through the first terminal. Upon receiving the high voltage signal, the first battery pack transistor switches on causing the second terminal to transmit a low voltage signal to the device, such that the low voltage signal indicates that the non- rechargeable battery pack is non-rechargeable.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
49.
SILOXANE-BASED OPTICALLY CLEAR ADHESIVES WITH ANTI-CORROSION PROPERTIES
Siloxane-based corrosion resistant adhesives are prepared from a reaction mixture such that upon curing in the form of a layer, the siloxane-based adhesive formed has a stable modulus as measured by DMA (Dynamic Mechanical Analysis) and a shear storage modulus at a frequency of 1 Hz that does not exceed 0.2 MPa. Additionally, the cured siloxane-based adhesive layer is optically clear and upon lamination to a silver nanowire film, the resistance of the silver nanowire film changes by less than 10% after aging for 500 hours at 65°C/90% relative humidity. The reaction mixture to form the siloxane-based adhesive includes at least one vinyl-functional siloxane, at least one hydrido- functional siloxane, at least one hydrosilylation catalyst, at least one siloxane tackifying resin, and at least one corrosion prevention agent.
Curable compositions include a non-aromatic epoxy-functional epoxy resin adduct, a non-aromatic epoxy resin, and a non-aromatic anhydride-based curing agent. The epoxy resin adduct is the reaction product of a reaction mixture including a polyfunctional thiol and a poly functional epoxy resin. The cured composition has an Izod Impact Test (Notched Izod) test method (ASTM D256) value of at least 40 J/m and is color stable such that upon exposure to an acid bath in accordance with the Acid Bath Test Method, exhibits a ΔE 94 color change of less than 1.
C08G 59/18 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
C08G 59/42 - Polycarboxylic acidsAnhydrides, halides, or low-molecular-weight esters thereof
C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
C09J 5/04 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving separate application of adhesive ingredients to the different surfaces to be joined
C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins
51.
Decorative Film and Method for Producing Same, Ink-Receiving Film, and Decorative Film Kit
A decorative film of an embodiment includes a transparent surface layer including polycarbonate-based polyurethane, a transparent ink-receiving layer including polyether-based polyurethane, a printed layer disposed on the transparent ink-receiving layer, and a pressure-sensitive adhesive layer in this order.
B41M 3/12 - Transfer pictures or the like, e.g. decalcomanias
B41M 5/00 - Duplicating or marking methodsSheet materials for use therein
B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
An article is described comprising a foam substrate comprising: a thermoplastic composition comprising polyurethane, a copolymer of ethylene and a polar comonomer, or a combination thereof; and expanded microspheres; and wherein the article is a medical tape, bandage or wrap. Also describes are methods of use, methods of making a foam article, foam substrates comprising a pressure sensitive adhesive layer disposed on a outermost major surface of the foam substrate, and foam compositions.
C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof from compositions containing microballoons, e.g. syntactic foams
An article includes an optical filter that comprises a wavelength selective reflective layer and at least one wavelength selective absorbing layer. The optical filter has visible transmittance between 400 nm-700 nm of less than about 30% and near infrared transmittance at 830 nm-900 nm greater than about 30%.
The present disclosure relates generally to tension-activated, expanding articles, films, and sheets. In some embodiments, these articles, films, and/or sheets are used as cushioning films and/or packaging materials. The present disclosure also relates to methods of making and using these tension-activated, expanding articles, films, and sheets.
B31D 5/00 - Multiple-step processes for making three-dimensional articles
B31D 1/00 - Multiple-step processes for making flat articles
B32B 5/04 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a layer being specifically extensible by reason of its structure or arrangement
B65B 11/00 - Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
B65D 81/02 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
B65D 81/03 - Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
55.
GAS DIFFUSION LAYER AND MICROPOROUS LAYER INCLUDING NON-FLUORINATED HYDROPHOBIC MATERIAL
A gas diffusion layer is provided. The gas diffusion layer includes a graphitized carbon paper having a fibrous structure and a non-fluorinated hydrophobic material disposed on and/or in the fibrous structure of the graphitized carbon paper. A method of making a gas diffusion layer is also provided. The method includes obtaining a graphitized carbon paper, applying a solution or an emulsion that contains a non-fluorinated hydrophobic material, and drying the gas diffusion layer at a temperature of no greater than 170 degrees Celsius. Further, a microporous layer is provided. The microporous layer includes a porous substrate having a polymeric binder with carbon particles and/or graphite particles distributed in the polymeric binder. The microporous layer also includes a non-fluorinated hydrophobic material disposed on at least a portion of the porous substrate and/or in pores of the porous substrate. Fuel cells and electrolyzers including a gas diffusion layer are also provided.
An integral optical film includes a plurality of alternating first and polymeric second layers numbering at least 10 in total and has an average total thickness of less than about 50 microns. For a substantially normally incident light, each of mutually orthogonal first and second polarizations, a first wavelength range extending from about 420 nm to about 480 nm, and a second wavelength range extending from about 560 nm to about 800 nm, the integral optical film has an average optical reflectance R1avg of less than about 45% and greater than about 5% in the first wavelength range, an average optical reflectance R2avg of greater than about 60% and less than about 98% in the second wavelength range, and an optical reflectance of (R1avg+R2avg)/2 at a first mid-wavelength of greater than about 500 nm and less than about 540 nm.
A multilayer optical film includes first and second optical stacks. The first optical stack includes a plurality of alternating first and second layers and the second optical stack includes a plurality of optical repeat units. Each of the optical repeat units includes at least four sequentially arranged layers. A total number of layers of the optical film may be about 1200 or less. For a substantially normally incident light: each of the first and second optical stacks has a first order reflection band disposed at wavelengths between about 700 nm and about 2500 nm with the first order reflection band of the second optical stack extending to greater wavelengths than the first order reflection band of the first optical stack, and the optical film can have an average optical reflectance in a wavelength range extending at least from about 900 to 1300 nm of greater than about 50 percent.
A method may include receiving (i) a visual representation of a scene or image data and (ii) user inputs specifying one or more goals for modifying the visual representation. The method also may include executing a visual attention model upon the visual representation and testing combinations of scene modifications. The method may further include evaluating effects of the scene modifications on attainment of the received one or more user goals and, upon receiving confirmation that the one or more user goals have been obtained, outputting one or more recommended sets of one or more visual representation modifications that satisfy the received one or more user goals.
The present disclosure provides a coated microstructured film (100a-c). The coated film includes microstructures (110) extending across a first surface of the microstructured film (100a-e) and a coating (130) on a first portion of at least some of the microstructures (110). The coating (130) includes one or more polyelectrolytes and has an average thickness T. A second portion of the coated microstructures either lacks the coating or has the coating with an average thickness of no more than 50% of T. The coating (130) is essentially free of any light absorptive material. A method of making the coated microstructured film (100a-c) is also provided. The method includes obtaining a microstructured film (100a), applying a coating (130) containing one or more polyelectrolytes to at least some of the microstructures (110), and removing at least some of the coating (130) from a second portion of the coated microstructures. Additionally, the present disclosure provides a method of making a light control film (110d. 100e). The method includes the above method as well as either infusing a light absorptive material into the coating of the coated microstructured film (100b-d) or applying a layer of a pigment on the coating. Such a light control film exhibits a transmission of visible light of 75% or greater at a viewing angle of 0 degrees.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
60.
EVAPORATIVE COOLER USING HOLLOW FIBERS TO PRODUCE CHILLED WATER AND HAVING PERFORMANCE FACTORS
A unit for use in evaporative cooling includes a first capped frame and a second open frame opposite the first frame. Posts are located between and coupled to the first and second frames. A porous hollow fiber membrane extends around the posts between and coupled to the first and second frames to form an interior volume. The first and second frames are configured for flow of water between them via the membrane. The membrane is configured to transport the water between the first and second frames and to provide for air flow from the interior volume through the membrane for evaporative cooling. The cooling unit can produce chilled water. The cooling unit performance factors can be controlled by water flow rate, air flow rate, and water temperature and pressure. The unit can control air humidification.
Described herein is an injection molded article comprising a nonwoven and an injection molded edge. Such injection molded articles may be used in thermal management systems, including battery modules. The injection molded article comprising: a functional area comprising a substrate, wherein the substrate comprises a nonwoven matrix; and a support part integrally formed along at least one minor side of the substrate enclosing at least a portion of said side, wherein the support part comprises an injection molded plastic, wherein when viewing a major surface of the injection molded article, the injection molded article comprises an inner region comprising the substrate absent the injection molded plastic, a peripheral region comprising the injection molded plastic and absent the substrate, and a transitional region therebetween which comprises both the substrate and the injection molded plastic.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/124 - Primary casingsJackets or wrappings characterised by the material having a layered structure
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
B29L 31/34 - Electrical apparatus, e.g. sparking plugs or parts thereof
A unit for use in evaporative cooling includes a first capped frame and a second open frame opposite the first frame. Posts are located between and coupled to the first and second frames. A porous hollow fiber membrane extends around the posts between and coupled to the first and second frames to form an interior volume. The first and second frames are configured for flow of water between them via the membrane. The membrane is configured to transport the water between the first and second frames and to provide for air flow from the interior volume through the membrane for evaporative cooling. The unit has a protective layer or layers to minimize or prevent leakage of water from the hollow fiber membrane.
A cooling film for use in passively cooling modular data centers, electrical power transformers, and other surfaces. The cooling film includes a specular reflective multilayer mirror film attached to the passive cooling heat transfer fins. An antisoiling layer is secured to a first major surface of a specular reflective multi-layer film. The specular reflective multi-layer film can include a metal layer and is specular reflective of electromagnetic radiation over a majority of wavelengths in the range of 400 to 2500 nanometers. The specular reflective multi-layer film can also comprise a multi-layer optical film comprising first and second optical layers that constructively reflect electromagnetic radiation over a majority of wavelengths in the range of 400 to 2500 nanometers while simultaneously absorbing electromagnetic radiation over a majority of wavelengths in the range of 4000 to 20,000 nanometers.
F28F 13/18 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflectingArrangements for modifying heat transfer, e.g. increasing, decreasing by surface treatment, e.g. polishing
H01L 23/367 - Cooling facilitated by shape of device
F28F 3/06 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
H01L 23/373 - Cooling facilitated by selection of materials for the device
F28F 19/02 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H01L 23/46 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
64.
MULTILAYER OPTICAL FILM INCLUDING TWO OPTICAL STACKS AND HAVING VISIBLE AND NEAR-INFRARED REFLECTION BANDS
A multilayer optical film includes first and second optical stacks. The first optical stack includes alternating first and second layers. The second optical stack includes a plurality of optical repeat units where each of the optical repeat units includes at least four sequentially arranged first through fourth individual layers. The plurality of alternating first and second layers of the first optical stack has an f- ratio f where |f – 1/2| > 0; and for each optical repeat unit of the second optical stack, the first and third individual layers have respective first and third f-ratios f1 and f3 where |f1 - f3| > 0 and f1+f3 > 2/3. Each of the optical stacks can have a first order reflection band disposed in a near-infrared wavelength range and a second order reflection band disposed at least partially in a visible wavelength range.
The present disclosure relates generally to the field of cushioning articles, more specifically to the field of articles having pressure management and thermal insulation properties. In some embodiments, the article is a compressible thermally insulative foam for between battery cushioning comprising a silicone foam with thermally insulative filler. The present disclosure also relates to a method of manufacturing such articles and to their use for industrial applications for pressure and thermal management applications.
H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
66.
TAPE INCLUDING A CURABLE ADHESIVE FILM AND RELATED ADHESIVE SYSTEM AND METHOD
A tape includes a curable adhesive film, which includes a polymer blend including a (meth)acrylate copolymer and a nitrogen-containing polymer, unsaturated free-radically polymerizable groups, which may be bonded to the (meth)acrylate copolymer or in a species other than the (meth)acrylate copolymer, and a transition metal cation. The (meth)acrylate copolymer comprises acidic monomer units. An adhesive system includes the tape and an activator composition including an oxidizing agent. A method of bonding a first substrate includes applying an activator composition onto a surface of the first substrate and contacting the activator composition with a first surface of the tape. The activator composition includes an oxidizing agent.
C09J 7/10 - Adhesives in the form of films or foils without carriers
C09J 7/30 - Adhesives in the form of films or foils characterised by the adhesive composition
C09J 133/08 - Homopolymers or copolymers of acrylic acid esters
C09J 153/00 - Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers
An optical stack for reflecting and transmitting light in a predetermined wavelength range includes stacked first and second optical films, the predetermined wavelength range defining a first wavelength range and a remaining wavelength range. For normally incident light and for each wavelength in a first wavelength range, the first optical film substantially reflects light having a first polarization state, and substantially transmits light having a second polarization state. For each of the first and second polarization states, for wavelengths in the first wavelength range, the second optical film has a maximum optical transmittance Tmax for light incident at a first incident angle, and an optical transmittance Tmax/2 for light incident at a second incident angle, where the second incident angle is greater than the first incident angle by less than about 50 degrees. For wavelengths in the remaining wavelength range, the second optical film reflects at least 80% of light.
Techniques, systems and articles are described for preparing electrical cables for connections to a power grid. In one example, a cable-cross-section-measurement tool includes a housing defining a cavity, wherein the housing is configured to position an end-face of an electrical cable within the cavity; a camera disclosed within the cavity of the housing, wherein the camera is configured to capture an image of the end-face of the electrical cable; and a telecentric lens optically coupled to the camera, wherein the telecentric lens comprises a non-angular field of view configured to reduce, in the image, distortion from parallax associated with at least one portion of the end-face of the electrical cable that is oriented at an oblique angle relative to an optical axis of the telecentric lens.
H02G 1/12 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
G01B 11/06 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness for measuring thickness
G01B 11/08 - Measuring arrangements characterised by the use of optical techniques for measuring diameters
G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
G01N 21/88 - Investigating the presence of flaws, defects or contamination
G01N 21/952 - Inspecting the exterior surface of cylindrical bodies or wires
G02B 13/22 - Telecentric objectives or lens systems
H01R 43/28 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups
H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof
An antenna assembly includes a phased array antenna having an array of spaced apart antenna elements arranged on a horizontal surface and having an axis of symmetry, and a lens disposed on the phased array antenna. The lens substantially covers the antenna elements. The lens includes a substantially planar bottom surface. The bottom surface and tops of the antenna elements define a gap therebetween. For a second vertical plane orthogonal to the horizontal surface and including the axis of symmetry. the antenna assembly steers a beam in a second vertical plane having a 3 dB beam width W1 when steered along a first direction making an angle of less than 10 degrees with a normal to the horizontal surface and a 3 dB beam width W2 when steered along a second direction making an angle of greater than 40 degrees with the normal. W1 and W2 within 35% of each other.
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
70.
EXPANDABLE SHEET WITH SLITS HAVING NONTERMINAL VERTICAL DISTAL END PORTIONS, ROLL, ROTARY DIE
A sheet includes a plurality of expandable slits formed in a substrate in a repeating pattern including at least two adjacent rows of slits. Each slit has four vertical distal end portions. At least one of the vertical distal end portions has a non-terminal end and at least two of the vertical distal end portions have terminal ends. A plurality of the vertical distal end portions in the first row and a plurality of the vertical distal end portions in the second row are aligned to intersect a horizontal line. The slits are configured to open in response to a minimum tension applied to the substrate along the vertical axis to form a plurality of folding walls and a plurality of nonrotating beams.
B65D 81/03 - Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
B26F 1/20 - Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
A sample collection system includes a housing including an air inlet constructed to receive an exhalation airflow; a porous sample collection media disposed within the housing, the porous sample collection media including a sample receiving region; an airflow path extending from the air inlet through the sample receiving region of the porous sample collection media; an assay constructed to receive an eluted sample from the porous sample collection media; and a liquid flow path extending from the sample receiving region of the porous sample collection media to the assay. The porous sample collection media includes one or more reagents disposed on the porous sample collection media along the liquid flow path.
A device for analyzing or inspecting a prepared portion of a power cable includes a cable gripping section to grip a portion of the power cable proximate to a prepared end of the power cable, where the cable end has been prepared by removing certain portions of the power cable so that it can properly accept an electrical or cable accessory, such as a splice or termination. The device also includes an imaging device holding section to hold an imaging device at a predetermined radial distance from the prepared cable end. In particular, the imaging device holding section is radially and axially adjustable in position. During inspection of the prepared cable end, the imaging device is fully rotated about the prepared cable end to acquire a 360 degree image of the prepared cable end.
H02G 1/12 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
H04N 23/695 - Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
H04N 23/698 - Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
Coated abrasive articles having spacer particles are formed by providing a production tool having a dispensing surface with a plurality of cavities, guiding the production tool past an abrasive particle feeder, dispensing shaped abrasive particles onto the dispensing surface and into the plurality of cavities of the production tool, guiding a resin coated backing sheet adjacent the production tool past a spacer particle feeder, and dispensing spacer particles onto the resin coated backing sheet and/or the production tool after the abrasive particle feeder prior to a deposit point for the shaped abrasive particles. The spacer particles are selected to have a thickness that is greater than a thickness of a resin coating of the resin coating backing sheet and a thickness and density once dispensed that are sufficient to substantially prevent the production tool from contacting the resin coated backing sheet at the deposit point.
An optical ferrule includes an input surface for receiving and transmitting a central light ray from an optical fiber attached to the optical ferrule. A light redirecting side receives, along a first direction, the central light ray transmitted by the input surface and redirects the received light along a different second direction. The redirected central light ray exits the optical ferrule through an output surface of the optical ferrule. As the central light ray propagates in the optical ferrule from the input surface to the output surface, the central light ray propagates through distinct first and second portions of the optical ferrule having different respective first and second compositions.
Disclosed herein is a thioester-containing (meth)acrylate compound comprising at least two thioester moieties and at least 2 (meth)acrylate moieties and a method for making such compounds. These compounds can be used in (meth)acrylic resins as a crosslinking agent. Upon exposure to a nucleophilic solvent, cured (meth)acrylic resins derived from these thioester-containing (meth)acrylate compounds can be degraded.
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C08F 220/20 - Esters of polyhydric alcohols or phenols
C08F 230/02 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
77.
SHIELDED ELECTRICAL CABLE AND METHOD OF MAKING THE SAME
A shielded cable includes a plurality of conductor sets extending along a length of the cable and substantially surrounded, in one-to-one correspondence, by a plurality of electrically conductive inner shields. The conductor sets and the inner shields, in combination, are substantially surrounded by an electrically conductive outer shield. Each of the conductor sets includes two or more insulated conductors extending along the length of the cable. Each of the two or more insulated conductors includes an electrically conductive central conductor surrounded by an electrically insulative material. The outer shield is intentionally and substantially uniformly wrinkled along at least the length of the outer shield.
H01B 7/18 - Protection against damage caused by external factors, e.g. sheaths or armouring by wear, mechanical force or pressure
H01B 13/22 - SheathingArmouringScreeningApplying other protective layers
H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame
A thermal imaging system configured for use with a respirator mask is presented that include an in-mask display unit configured to be mounted within an interior volume of a respirator mask and including an in-mask micro-display. The system also includes a wearable thermal imaging camera that is configured to capture a thermal image and to communicate at least a portion of the captured thermal image to the in-mask micro-display. The system also includes an image processing system including a processor and memory, the system being configured to: detect an object in the thermal image, generate a callout to indicate the detected object, and compile a composite image, the composite image includes the thermal image and the generated callout.
A compostable container formed from a compostable, air-transmissive, spunbonded nonwoven fibrous web of meltspun fibers that are autogenously melt-bonded and that are additionally melt-bonded by point-bonds.
B09B 3/00 - Destroying solid waste or transforming solid waste into something useful or harmless
B65D 30/04 - Sacks, bags or like containers characterised by the material used made of fabric
B65D 65/04 - Wrappers or flexible covers non-rectangular
B65D 65/46 - Applications of disintegrable, dissolvable or edible materials
B65D 81/26 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, fluids, e.g. exuded by contentsApplications of corrosion inhibitors or desiccators
B65D 85/804 - Disposable containers or packages with contents which are infused or dissolved in situ
80.
(METH)ACRYLATED HYPERBRANCHED POLYMERS, METHOD OF MAKING, COMPOSITIONS INCLUDING THE SAME, AND ELECTRONIC DEVICE
A (meth)acrylated hyperbranched polymer consists of C, H, Si, optionally O, and optionally F atoms. The (meth)acrylated hyperbranched polymer comprises end groups, and at least some of the end groups comprise (meth)acryloyloxy groups. A method of making and a curable composition including the (meth)acrylated hyperbranched polymer are also disclosed. An electronic device includes an at least partially cured form of curable composition.
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
A cooling film for use in passively cooling an antenna includes an antisoiling layer secured to a first major surface of a reflective microporous layer. The reflective microporous layer comprises a first fluoropolymer and is diffusely reflective of electromagnetic radiation over a majority of wavelengths in the range of 400 to 2500 nanometers. The film can also include an infrared-absorptive layer secured to a second major surface of the film opposite the first major surface, and the infrared-absorptive layer is optionally metallized. The film is shaped into a self-supporting three-dimensional structure, such as fins, and a thermally conductive material is inside the structure and secured to a portion of the antenna, either the front side of the antenna for the non-metallized film or the back side of the antenna for the metallized film.
H01Q 1/02 - Arrangements for de-icingArrangements for drying-out
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B32B 15/09 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyesters
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
A shielded electrical cable includes conductor sets extending along a length of the cable and spaced apart from each other along a width of the cable. First and second shielding films are disposed on opposite sides of the cable and include cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the films in combination substantially surround each conductor set. An adhesive layer bonds the shielding films together in the pinched portions of the cable. A transverse bending of the cable at a cable location of no more than 180 degrees over an inner radius of at most 2 mm causes a cable impedance of the selected insulated conductor proximate the cable location to vary by no more than 2 percent from an initial cable impedance measured at the cable location in an unbent configuration.
H01B 11/04 - Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
H01B 11/10 - Screens specially adapted for reducing interference from external sources
H01B 11/20 - Cables having a multiplicity of coaxial lines
H01R 9/05 - Connectors arranged to contact a plurality of the conductors of a multiconductor cable for coaxial cables
H01R 12/53 - Fixed connections for rigid printed circuits or like structures connecting to cables except for flat or ribbon cables
H01R 12/59 - Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
H01R 13/58 - Means for relieving strain on wire connection, e.g. cord grip
H04L 41/28 - Restricting access to network management systems or functions, e.g. using authorisation function to access network configuration
H04L 43/0811 - Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
H04L 43/0817 - Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
H04W 4/70 - Services for machine-to-machine communication [M2M] or machine type communication [MTC]
H04W 24/04 - Arrangements for maintaining operational condition
H04W 84/18 - Self-organising networks, e.g. ad hoc networks or sensor networks
83.
OPTICAL GRATING, OPTICAL WAVEGUIDE, AND OPTICAL SYSTEM
An optical grating for optically coupling a light ray propagating within an optical waveguide by total internal reflection to a light ray propagating outside, and toward or away from, the waveguide is provided. The optical grating includes an optically transparent adhesive layer including a plurality of substantially parallel linear adhesive prisms and an overcoat disposed on the plurality of substantially parallel linear adhesive prisms. For at least a first visible wavelength in a visible wavelength range extending from about 420 nm to about 680 nm, the optically transparent adhesive layer and the overcoat have respective indices n1 and n2, where n1 ≥ 1.2, n2/n1 > 1. For a substantially normally incident collimated light beam having the at least the first visible wavelength, and for at least a first polarization state, a first order diffraction efficiency of the multilayer grating is greater than about 40%.
A system includes processing circuitry and a drone that includes a marking mount that receives a marking device, a motion guide that provides a sliding framework for a reciprocating motion of the marking mount, and a shock absorption sub-assembly positioned between the marking mount and the motion guide. Control logic of the drone is configured to navigate, based on navigation instructions received from the processing circuitry, the drone to an area associated with a misapplication of a tape as applied to a substrate or a substrate defect, such that a distal tip of the marking device makes contact with the area associated with the tape misapplication or the substrate defect, while activating the shock absorption sub-assembly to at least partially absorb a shock caused by the contact between the distal tip of the marking device and the area associated with the tape misapplication or the substrate defect.
An article of personal protective equipment (PPE) includes a battery, a charging circuit, and a controller. The battery is configured to power one or more components of the article of PPE. The charging circuit is configured to receive electrical power from a power supply and supply an electric current to the battery. The controller is configured to determine a plurality of thresholds of one or more electrical parameters of the battery. The plurality of thresholds has progressively increasing values. The controller is further configured to determine the one or more electrical parameters of the battery and control the charging circuit to progressively decrease a magnitude of the electric current supplied to the battery when the one or more electrical parameters progressively increase above each threshold from the plurality of thresholds.
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/6563 - Gases with forced flow, e.g. by blowers
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
A protective assembly including a singly-curved optically clear substrate and a laser-protective stack adhesively laminated to the substrate. The laser-protective stack includes a multilayer optical film configured to exhibit a light-transmission of 10% or less in a preselected wavelength range of the visible spectrum; the laser-protective stack will nevertheless exhibit an overall transmission of at least 60% over the visible spectrum. The laser-protective stack may also include an optically clear pressure-sensitive adhesive that adhesively bonds the multilayer optical film to the substrate, and may also include an optically clear physical-protection layer in front of the multilayer optical film.
A reflective polarizer includes a plurality of alternating first and second layers. For a substantially normally incident light, the plurality of first and second layers has an average reflectance Rs0 of at least 50% when the incident light is polarized along a first direction and an average reflectance Rp0 of greater than 1% and at most 40% when the incident light is polarized along an orthogonal second direction. When the reflective polarizer is heated to a temperature that is greater than a glass transition temperature of the second layers and less than a melting temperature of the first layers for a time of at least about 1 second, a birefringence of the second layers, but not the first layers, is reduced by at least 20% and/or Rp0 decreases by at least a factor of 1.3 while Rs0 remains at least 50%. The reflective polarizer can be shaped via thermoforming.
A respirator includes a mask body, a cover attached to the mask body, and a yoke. The cover includes a bottom cover portion and a top cover portion including a pair of top slots spaced apart from each other. The respirator includes a pair of head straps corresponding to the pair of top slots and separate from each other. Each of the pair of head straps is secured to the yoke. Each of the pair of head straps is slidably received through the corresponding top slot from the pair of top slots of the cover. In the donned configuration, the yoke at least partially engages with and detachably attaches to the bottom cover portion. In the drop-down configuration, the yoke fully disconnects from the cover, such that the cover is slidable along the pair of head straps to move the mask body away from a head of a user.
An optical film includes a plurality of alternating first and second polymeric layers disposed on a first protective layer. Each of the first and second polymeric layers has an average thickness less than about 500 nm and the first protective layer has an average thickness greater than about 750 nm. An olefin layer can be disposed on the first protective layer opposite the plurality of alternating first and second polymeric layers. The olefin layer includes cyclic olefin copolymer, cyclic olefin polymer, or a blend thereof. The olefin layer can have an unstructured major surface opposite the first protective layer. A bonding layer is disposed between, and bonds together, the olefin layer and the first protective layer. The optical film is integrally formed.
G02B 1/111 - Anti-reflection coatings using layers comprising organic materials
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
B29C 48/18 - Articles comprising two or more components, e.g. co-extruded layers the components being layers
B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
B29C 48/22 - Articles comprising two or more components, e.g. co-extruded layers the components being layers with means connecting the layers, e.g. tie layers or undercuts
B29K 23/00 - Use of polyalkenes as moulding material
B29K 105/00 - Condition, form or state of moulded material
B29L 11/00 - Optical elements, e.g. lenses, prisms
An SCBA harness including a backframe and a reducer mounted on the lower end of the backframe. A delivery hose that is connected to a mask-mountable regulator, and a high-pressure gauge hose that is connected to a pressure gauge, are respectively connected to a primary air-delivery outlet of the reducer and to a high-pressure gauge air outlet of the reducer. The primary air-delivery outlet defines a first hose-end direction along which a first end of the delivery hose is oriented, and the high-pressure gauge air outlet defines a second hose-end direction along which a first end of the high-pressure gauge hose is oriented. The first and second hose-end directions are each oriented upward, at an included angle of from 20 to 70 degrees relative to a vertical axis of the backframe, and are oriented at an angle of from 40 to 140 degrees relative to each other.
A coated abrasive article having a plurality of formed ceramic abrasive particles each having a surface feature. The plurality of formed ceramic abrasive particles attached to a flexible backing by a make coat comprising a resinous adhesive forming an abrasive layer. The surface feature having a specified z-direction rotational orientation, and the specified z-direction rotational orientation occurs more frequently in the abrasive layer than would occur by a random z-direction rotational orientation of the surface feature.
B24D 3/00 - Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special natureAbrasive bodies or sheets characterised by their constituents
A personal protective equipment (PPE) fit testing system is presented that includes a scanning device configured to capture a first scan data of a user wearing an article of PPE. The system also includes a fit test module configured to: detect, using a PPE detector, a model of the article of PPE, retrieve a second scan data of the user without the article of PPE, compare the first and second scan data, using a comparison module, and based on the comparison, generate a fit test result. The system also includes a communication component configured to communicate the generated fit test result to a device with a display.
Curable adhesive films, primers for adhesion of curable adhesive films, and adhesive systems comprising adhesive films and primers are provided. In some embodiments, an adhesive system comprises: I) a curable adhesive free-standing film comprising a blend of a) a first film-forming polymer or oligomer; b) a first species comprising first unsaturated free-radically polymerizable groups, which may be a) or a species other than a); and c) a first transition metal cation; and II) a primer for adhesion of a curable adhesive free-standing film to a first substrate comprising an oxidizing agent. In some embodiments, an adhesive system comprises: I) a curable adhesive free-standing film comprising an outer surface bearing embossed air bleed channels capable of aiding in escape of air during application of the outer surface to a primed substrate; and II) a primer comprising components that initiate cure of the curable adhesive free-standing film.
C09J 5/04 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving separate application of adhesive ingredients to the different surfaces to be joined
C09J 7/20 - Adhesives in the form of films or foils characterised by their carriers
C09J 7/30 - Adhesives in the form of films or foils characterised by the adhesive composition
Object Provided is a long chain alkyl-based release agent useful in production of a light release liner that can be used in a light release surface of an adhesive transfer tape. Solution means An acrylic polymer release agent according to an embodiment includes a polymerization product of a polymerizable precursor composition containing an acrylate monomer having a branched alkyl group having 24 or more carbon atoms and an acrylic monomer having a benzophenone structure.
C09J 7/40 - Adhesives in the form of films or foils characterised by release liners
C09D 5/20 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
C09D 133/08 - Homopolymers or copolymers of acrylic acid esters
The present disclosure relates to a curable precursor of an adhesive composition, wherein the curable precursor comprises (a) a radically (co)polymerizable compound, (b) a vanadium compound, (c) a beta-dicarbonyl compound, and (d) a quaternary ammonium halide. The present disclosure further relates to a method of curing the said curable precursor.
The present disclosure provides a curable adhesive composition precursor, comprising a first part (A) comprising (i) at least one first epoxy curing agent selected from diamines: (ii) at least one second epoxy curing agent selected from phenalkamides and/or phenalkamines: (iii) at least one first curing aid selected from metal salt hydrates: (iv) at least one second curing aid selected from phenolic amines: a second part (B) comprising (i) at least one epoxy resin: (ii) at least one first impact modifier; (iii) at least one second impact modifier different from the at least one first impact modifier: (iv) at least one amphoteric corrosion inhibitor selected from phosphonate compounds and phosphosilicate compounds.
A thiol-containing compound having at least two terminal groups of formula —NH—CO—CO—NH—R1—SH where R1 is an alkylene, reaction mixtures containing the thiol-containing compound and an epoxy resin, and compositions containing a polymerized product of the reaction mixture are provided. The compositions that contain the polymerized product of the reaction mixture can be used, for example, as an adhesive or sealant.
C07C 323/41 - Y being a hydrogen or an acyclic carbon atom
C08G 69/42 - Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
C09J 177/00 - Adhesives based on polyamides obtained by reactions forming a carboxylic amide link in the main chainAdhesives based on derivatives of such polymers
Provided is a patterned adhesive useful in foldable electronic display applications. The patterned adhesive includes a central adhesive layer and a pair of peripheral adhesive layers. The pair of peripheral adhesive layers extending alongside, and adjacent to, opposing sides of the central adhesive layer in an alternating stripe pattern. Optionally, the ratio of shear modulus between central adhesive layer and each peripheral adhesive layer is from 2:1 to 10:1 or vice versa, the shear modulus measured by dynamic mechanical analysis at a frequency of 1 Hz and a temperature of 25°C. Further, the central adhesive layer displays a refractive index within 0.015 that of the peripheral adhesive layers as measured for a light wavelength of 532 nm, and each of the central adhesive layer and peripheral adhesive layers displays a glass transition temperature of at most -30°C.
An optical system is disclosed. The optical system includes a display configured to form an image, a partial reflector, and a reflective polarizer defining an optical cavity therebetween. The optical system further includes a positive lens and a negative lens, at least one of which is disposed inside the optical cavity. The positive lens and the negative lens may both be disposed inside the optical cavity. The optical system may include a folded optical lens assembly including the partial reflector, the reflective polarizer, the positive lens, and the negative lens. The positive lens has an Abbe number having a magnitude Ap and a positive focal length Fp at a visible wavelength extending from about 420 nm to about 680 nm, the negative lens has an Abbe number having a magnitude An and a negative focal length having a magnitude Fn at the visible wavelength, Fn/Fp > Ap/An.
patents
