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36results about How to "Improve fading" patented technology
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Array Panel
ActiveUS20080036355A1Improve fadingAvoid light leakageStatic indicating devicesLamp incadescent bodiesPhysicsOptoelectronics
An array panel is provided. The array panel comprises a substrate, a common electrode, and pixel structures. Each pixel structure comprises a first pixel electrode, a second pixel electrode, and a shield. The first pixel electrode has a central portion, first branches that connect to the central portion, and a connecting portion. The shield overlaps with at least the central portion of the first pixel electrode. The connecting portion connects the ends of at least two of the first branches. The central portion connects perpendicularly with one of the first branches; this branch overlaps with at least part of the common electrode so that the width of this branch is greater than or equal to that of the common electrode. The second pixel electrode, adjacent to the first pixel electrode, comprises a central portion and second branches that connect to the central portion.
Owner:AU OPTRONICS (SUZHOU) CORP LTD
Printing and dyeing process of multi-color cloth
InactiveCN102041693ACompactSimple and fast operationDry-cleaning apparatus for textilesDyeing processFiberEngineering
The invention provides a printing and dyeing process of a multi-color cloth. The cloth comprises a fiber body, a background color layer and a surface color layer. The printing and dyeing process of the multi-color cloth comprises the following steps: a. printing and dyeing the background color layer; b. printing and dyeing the surface color layer; c. carrying out water washing treatment; d. carrying out reductive washing treatment; and e. cleaning the cloth. The invention discloses a printing and dyeing process of a multi-color cloth, which has the advantages of compact procedures and simple and convenient operation steps. After being treated by chemical and physical methods, the cloth can achieve patterns having favorable fading effects because of the difference between the soaping fastnesses of the surface color layer and the background color layer, thus forming the multi-color cloth.
Owner:CHANGSHU FUYI PRINTING & DYEING
Manufacturing method for liquid film closed type plant primary-color herbarium specimens
InactiveCN102499234ASimple storage conditionsExtended service lifeDead plant preservationPolyethylene glycolTransmittance
The invention discloses a manufacturing method for liquid film closed type plant primary-color herbarium specimens. The manufacturing method comprises the procedures of dehydrating the specimens, spraying, drying and storing, wherein the specimen dehydration procedure is to clear leaves of the collected fresh plants, remove dust and dirt and absorb water by using absorbent paper or perform plasticizing dehydration by using polyethylene glycol; the spraying procedure is to spray varnish serving as a film medium onto the surfaces of the plant leaves, so that one layer of paint film covers the surfaces of the leaves uniformly; the painted leaves are placed on a rack and the varnish film is dried; and the specimens which are inspected to be qualified are stored. The varnish is sprayed on the herbarium specimens based on a paint film-forming technological principle, so that one layer of paint film is adhered to and wrapped on the surface of each specimen; and each herbarium specimen is subjected to film sealing by drying the surface of each specimen. The adopted varnish is transparent and colorless; and after the film is sealed, the light transmittance is high, the original state of the specimen is not damaged and destroyed and the original color can be observed. After the varnish is formed into the film, air can be isolated, so color fading and deterioration are avoided, the storage condition is simplified and the service life is prolonged.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI
Microelement eggshell quality improving agent
InactiveCN106234824AReduce antagonismImprove self stabilityAnimal feeding stuffAccessory food factorsPhytaseFeed additive
The invention belongs to the technical field of feed additives and discloses a microelement eggshell quality improving agent. The microelement eggshell quality improving agent comprises the following components in percentage by mass: 17.65-36.0% of ferrous glycine chelate, 5.81-11.88% of zinc methionine chelate, 3.33-6.80% of copper glycinate chelate, 3.03-6.18% of manganese methionine chelate, 2.50-5.10% of selenium yeast, 1.72-3.52% of basic zinc chloride, 0.86-1.76% of copper chloride hydroxide, 5.00-10.20% of phytase, 0.10-0.20% of ethoxyquin, and 18.38-59.99% of medical stone. The microelement eggshell quality improving agent improves an eggshell ultrastructure comprising internal and external eggshell membranes, a calcified irregular mastoid layer, a palisade layer, a vertical crystal layer and an epidermal layer, the effective regular deposition of calcium carbonate of an eggshell is promoted, the hematopoietic function of a laying hen is improved, and then the quality and the color of the eggshell are further improved.
Owner:GUANGHAN LONGDA FEED
Universal serial bus type wireless data card
InactiveUS20110187623A1Improve antenna efficiencyStable isolationPivotable antennasDigital data processing detailsWireless dataUSB
A universal serial bus (USB) type wireless data card is used for wireless communication in a multi-in / multi-out (MIMO) environment. The USB type wireless data card includes a card body. A USB connector is disposed at one end of the card body and connectable to a USB port of an electronic device. An antenna part includes first and second antennae connected to the card body such that the first and second antennae may be received in the card body and may be extended from the card body to move away from the card body and be spaced apart from the USB connector.
Owner:PANTECH CO LTD
Universal serial bus type wireless data card
InactiveUS20110181489A1Improve antenna efficiencyImprove performanceMemory architecture accessing/allocationDigital data processing detailsWireless dataUSB
A universal serial bus (USB) type wireless data card is used for wireless communication in a multi-in / multi-out (MIMO) environment. The USB type wireless data card includes a card body. A USB connector is installed at a first end of the card body and is connectable to a USB port of an electronic device. An antenna part includes a first antenna and a second antenna rotatable with respect to the card body to be spaced apart from the electronic device.
Owner:PANTECH CO LTD
Moisture-curable hot-melt adhesive agent
InactiveCN104903418AImprove adhesionGood light fastnessPolyureas/polyurethane adhesivesAdhesion forcePolymer science
Owner:HENKEL KGAA
Color-protecting clothes washing condensate beads and preparation method thereof
InactiveCN106350271AIncrease contentImprove fadingNon-ionic surface-active compoundsOrganic detergent compounding agentsAdditive ingredientBittering Agents
The invention relates to the field of detergents, and in particular to color-protecting clothes washing condensate beads and a preparation method thereof. The color-protecting clothes washing condensate beads are formed by a water-soluble film and a washing solution therein, wherein the washing solution is prepared from the following ingredients: propylene glycol, sorbitol, glycerol, dodecylbenzene sulfonic acid, ethanolamine, non-ionic surfactant, coconut fatty acid, maleic acid / acrylic acid copolymer, chelating agent, alcohol, a color protecting agent, deionized water, essence, a preservative, a bitter agent and enzyme. A product of the invention has very high detergency, and meanwhile, a color fading phenomenon caused by repeated washing of clothes is obviously improved.
Owner:YUYAO DEPAI COMMODITY LTD
Liquid crystal display panel and method for driving pixels thereof
ActiveUS8248343B2Good colorImprove fadingCathode-ray tube indicatorsNon-linear opticsLiquid-crystal displayGray level
A liquid crystal display (LCD) panel and a method for driving pixels thereof are provided. The present invention uses a fixed voltage generated by a charge-sharing unit to perform charge-sharing with a second sub-pixel in a pixel, so as to make that the brightness of a second bright region corresponding to the second sub-pixel is darker than the brightness of a first bright region corresponding to a first sub-pixel in the pixel. Accordingly, the present invention can achieve the purpose of gray-levels space stacking without adding additional data lines and thus improving the color washout phenomenon of the LCD.
Owner:AU OPTRONICS CORP
Liquid crystal display pixel structure and manufacture method thereof
ActiveUS20160342033A1Improve fadingSimplify driving control circuitNon-linear opticsLiquid-crystal displayControl circuit
The present invention provides a liquid crystal display pixel structure and a manufacture method thereof. The liquid crystal display pixel structure comprises: a lower substrate (1), a passivation layer (2) located on an upper surface of the lower substrate (1), a pixel electrode (3) located on the passivation layer (2), an upper substrate (4), and a common electrode (5) located on a lower surface of the upper substrate (4); each pixel comprises multi domains; in one pixel, the passivation layer (2) comprises at least two trench structures having different depths, and the pixel electrode uninterruptedly covers on the trench structures, the trench structures having different depths divide the one pixel into different areas to realize that liquid crystals in different areas of the one pixel have different twisted angles under the same driving voltage. The liquid crystal display pixel structure of the present invention is capable of improving the color washout phenomenon under wide view angle, and simplifying the driving control circuit and raising the pixel aperture ratio.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
Polymer polyol and composition thereof and application
ActiveCN107216420AHigh strengthFast curingPolyurea/polyurethane coatingsOptical partsAnti-reflective coatingWeather resistance
Owner:SHANGHAI GANTIAN OPTICAL MATERIALS
Method for preparing laccase-containing fermentation broth by pycnoporus sanguineus
InactiveCN104099304AStable productionImprove temperature stabilityMicroorganism based processesOxidoreductasesNutrientChemistry
The invention belongs to the field of microbial fermentation, and particularly relates to a method for preparing laccase-containing fermentation broth by pycnoporus sanguineus. The method comprises the steps as follows: under aerobic and dark conditions, pycnoporus sanguineus CGMCC No. 2932 is cultivated in a sterile fermentation medium containing a carbon source, a nitrogen source and inorganic components, the fermentation medium comprises cornmeal, bran powder, ammonium tartrate, monopotassium phosphate, magnesium sulfate heptahydrate, sodium succinate, copper sulfate pentahydrate, potassium chloride hexahydrate, zinc vitriol, a surfactant, an antifoaming agent and water, the ventilation quantity is adjusted in a fermentation process, and nutrients are fed-batched. The method for preparing the laccase-containing fermentation broth by pycnoporus sanguineus solves the problems of poor reproducibility, low enzyme activity and the like in the prior art, and has the advantages of good reproducibility, high activity of produced laccase, purer produced enzyme system, good enzyme temperature stability, high pH adaptability and the like; and the laccase can be widely applied to the fields of dye degradation, biobleaching, wood gluing, ecological restoration and the like.
Owner:河北省微生物研究所有限公司 +1
Low-yellowing material fading prevention UV primer and preparation method thereof
InactiveCN112940605AGood yellowing resistanceImprove heat resistancePolyurea/polyurethane coatingsPriming paintsMeth-Ultraviolet lights
The invention relates to a low-yellowing material fading prevention UV primer and a preparation method thereof. The UV primer comprises, by weight, hexafunctional aliphatic polyurethane acrylate, organic silicon modified trifunctional aliphatic polyurethane acrylate, bifunctional aliphatic polyurethane acrylate, ethoxylated trimethylolpropane triacrylate, 1, 6-hexanediol diacrylate, a photoinitiator, talcum powder, an ultraviolet light absorber, an antioxidant, a defoaming agent, a dispersing agent and an anti-settling agent according to specific parts. The photoinitiator comprises methyl benzoylformate and 2, 4, 6-trimethylbenzoyl-diphenyl phosphine oxide according to the mass ratio of 1: (0.1-0.5); and the ultraviolet light absorber is composed of a benzotriazole ultraviolet light absorber and a hindered amine ultraviolet light absorber according to the mass ratio of 1: (0.3-0.8). The UV primer has low yellowing, can prevent color fading of dyed wood and has excellent adhesive force, and the defects that the dyed wood is easy to change color and fall off in the production and use processes can be effectively avoided.
Owner:东莞大宝化工制品有限公司 +2
Foamed HDPE plastic sheet
The invention relates to a foamed HDPE plastic sheet. The foamed HDPE plastic sheet comprises the following components in percentage by mass (%):70-80% of HDPE, 3-5% of PE foaming agent, 5-7% of white oil, 8-11% of ultraviolet absorber and 4-7% of antioxidant. A method for manufacturing the foamed HDPE plastic sheet comprises the following steps of stirring, drying and melting, carrying out mold stripping, setting and carrying out annealing treatment. The molded sheet has wide application range and has the advantages of ultraviolet resistance, no rot, no deformation, no color fading, insect pest repellence, wear resistance, water tightness, no cracks, no need of maintenance and the like. The preparation method of the foamed HDPE plastic sheet is simple in operation process and both time and labor are saved; and the prepared finished product has the advantages of relatively long service life and better application effects.
Owner:DANYANG CITY HENGDA PLASTIC
Printing paper
InactiveCN1826447AImprove fadingPrevent fadingNatural cellulose pulp/paperPulp properties modificationHydrogenOrganic compound
Owner:NIPPON PAPER IND CO LTD
Textile color fastness inspection device for intelligent manufacturing
ActiveCN113686779AMeet inspection needsEasy to checkUsing mechanical meansMaterial analysisColour fastnessStructural engineering
The invention provides a textile color fastness inspection device for intelligent manufacturing, and relates to the technical field of textile detection. The textile color fastness inspection device for intelligent manufacturing comprises a shell, lower clamping plates are fixedly connected to grooves in the left side wall and the right side wall of the shell, upper clamping plates are slidably connected to the grooves in the left side wall and the right side wall of the shell, and the two upper clamping plates are connected through a connecting plate with a handle; the left inner wall and the right inner wall of the shell are each provided with an upper sliding groove and a lower sliding groove. The textile is clamped through the upper clamping plates and the lower clamping plates, then an upper rotating roller and a lower rotating roller are clamped to the two sides of the textile, a second lead screw sliding block linear reciprocating mechanism drives the upper rotating roller and the lower rotating roller to rub and stretch the textile, cold water or hot water is sprayed to the surface of the textile in a matched mode, color fading can be promoted, and the color fastness can be conveniently checked; during inspection, comparison can be directly carried out on the display, the accuracy of color fastness can be ensured, meanwhile, too high cost is not needed, and the inspection requirements of various textiles can be met.
Owner:海安万嘉纺织科技有限公司
High-accuracy pressure gauge for measuring pressure
InactiveCN104845513AImprove corrosion resistanceImprove high temperature resistanceAnti-corrosive paintsEpoxy resin coatingsEpoxyMethacrylate
The invention discloses a high-accuracy pressure gauge for measuring pressure. An anti-friction paint coats the surface of the pressure gauge, and is prepared from the following raw materials in parts by weight: 30-32 parts of modified alkyd resin, 20-25 parts of epoxy resin, 24-26 parts of water-based acrylic resin, 8-10 parts of ethyl methacrylate, 5-8 parts of iron powder, 20-22 parts of deionized water, 5-8 parts of tung oil, 10-12 parts of diphenyl ketone, 15-17 parts of butyl acetate, 3-5 parts of rosin, 10-15 parts of matt acrylic paint, 12-14 parts of aluminite powder, 5-10 parts of silicon dioxide, 1-3 parts of polyvinyl butyral and 15-20 parts of an assistant.
Owner:JIANGSU JINDI ELECTRONICS TECH
OLED display panel and manufacture method thereof
InactiveUS20180198093A1Improve color washoutHigh color puritySolid-state devicesSemiconductor/solid-state device manufacturingThin membraneEngineering
The present invention provides an OLED display panel and a manufacture method thereof. In the manufacture method of the OLED display panel of the present invention, by using the method of plasma bombardment to make a surface of the inorganic layer in the thin film package layer corresponding to the areas of the non pixel areas have a diffuse reflection roughness so that the light emitted by the OLED light emitting layer of the each sub pixel will be diffused and reflected as being incident into the area. The light is divergent and is atomized everywhere, and cannot be intensively reflected and / or refracted, and then cannot outgo from the adjacent sub pixel. Therefore, it can prevent that the light emitted by each sub pixel interferes the adjacent sub pixels to raise the color purity of single sub pixel and to improve the color washout of the OLED display panel.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
Fading powder as well as preparation method and application method thereof
PendingCN111631982AImprove smoothnessReduce harmCosmetic preparationsHair cosmeticsSodium metasilicateHydroxyethyl cellulose
The invention discloses fading powder as well as a preparation method and application method thereof. The fading powder comprises shallow bleaching powder and an oxidizing agent, wherein the shallow bleaching powder comprises sodium silicate, sodium persulfate, ammonium persulfate, calcium carbonate, sodium stearate, corn starch, carboxymethyl hydroxyethyl cellulose, guar gum, PEG-150 distearate,sodium metasilicate, mineral oil and menthol; and the oxidizing agent comprises water, a hydrogen peroxide solution, cetostearyl alcohol, cetosteareth-25, hydroxyethyl diphosphate, glyceryl stearate,essence and sodium stannate. According to the fading powder as well as the preparation method and the application method thereof, the combination of the shallow bleaching powder and the oxidizing agent enables the fading effect to be good and can improve the smoothness of hairs, the fading powder is mild in component, small in irritation, non-toxic, harmless and high in safety, damage of chemicalcomponents to the hairs is reduced, and the components such as the corn starch and the mineral oil in all the components can nourish the hairs. The invention further provides the preparation method and the application method of the fading powder.
Owner:广州艺思晨日用化工有限公司
Preparation method for environment-friendly tailor's chalk capable of fading color
The invention relates to a preparation method for environment-friendly tailor's chalk capable of fading color, and belongs to the technical field of garment supplies. According to the preparation method, light benzoic acid which is easy to sublimate is used as a main raw material of the tailor's chalk, and the environment-friendly tailor's chalk capable of fading color has good performance indexes, such as drawing smoothness, glossiness, color fading effect, color fading time, appearance and the lie; sodium dodecyl benzene sulfonate and Tween 80 are used as surface active agents, and the sodium dodecyl benzene sulfonate can play effects of a dispersing agent. According to the preparation method, the main raw materials comprise grease, alkali liquor, water, an adhesive, a coloring agent andan regulating agent, all the main raw materials are mutually combined, refined, saponified, salted out, washed, subjected to alkali-out and formed to prepare the environment-friendly tailor's chalk capable of fading color. The environment-friendly tailor's chalk capable of fading color contains hydrophilic and oleophilic components, and the hydrophilic components can make some oil dirt on the hands of a user or remaining on cloth floated and dissolved into water. The environment-friendly tailor's chalk capable of fading color is easy to dissolve into the water without polluting the surrounding environment, and the aim of environment protection is easily achieved.
Owner:何跃喜
Nylon wig fibers with good dyeing performance
InactiveCN109056109AEasy to washWash notWigsConjugated synthetic polymer artificial filamentsFiberColour fastness
The invention discloses nylon wig fibers with good dyeing performance and relates to the technical field of wigs. The nylon wig fibers with good dyeing performance are prepared from the following components including tert-butylamine composite modified nylon chips, a chlorinated polyethylene grafted copolymer, hydroxyl silicone oil, 1,2-dimethylimidazole, nanometer diatomite, sodium stearate, a plasticizer, graphene and calcium carbonate. The prepared nylon wig fibers have better color fastness after being dyed; and the adsorption performance of the prepared nylon wig fibers to dye molecules can be remarkably improved through the synergistic effect of the tert-butylamine composite modified nylon chips and the chlorinated polyethylene grafted copolymer, so that the color fastness of the nylon wig fibers can be improved.
Owner:太和县正大发制品有限公司
Color gradient injection molding process for packaging bottle
ActiveCN113414934AImprove fadingImprove aestheticsTubular articlesColour fastnessInjection molding process
The invention relates to a color gradient injection molding process for a packaging bottle. According to the color gradient injection molding process for the packaging bottle, plastic raw materials with different colors are selected as preparation raw materials of a plastic pipe, so that the produced plastic pipe does not fade, and the color fastness of the plastic pipe is remarkably improved; and the plastic raw materials with different colors are injected into a mold cavity through the same injection nozzle in a segmented manner, and a gradient color section appears at the joints of every two adjacent plastic raw materials with different colors, so that the attractiveness of the plastic pipe is improved. Meanwhile, a material removing system is additionally arranged, so that a lug boss formed on the outer bottom wall of the plastic pipe due to overflow of the materials out of the injection nozzle can be removed, the subsequent operation step of manually removing the lug boss by using a cutter is omitted, the production efficiency is improved, the labor cost is reduced, and the possibility that the plastic pipe is scratched by the cutter is reduced.
Owner:GUANGZHOU SHANGEN IND CO LTD
Textile color fastness inspection device for intelligent manufacturing
ActiveCN113686779BMeet inspection needsEasy to checkUsing mechanical meansMaterial analysisColour fastnessStructural engineering
Owner:海安万嘉纺织科技有限公司
Pet hair beautifying powder containing chondroitin sulfate as well as preparation method and application of pet hair beautifying powder
PendingCN114403304ASafe and rich ingredientsIncrease appetiteAnimal feeding stuffAccessory food factorsArginineVitamin B12
The invention discloses pet hair beautifying powder containing chondroitin sulfate as well as a preparation method and application of the pet hair beautifying powder. The pet hair beautifying powder comprises the following functional components: 3-8 parts of beer yeast powder, 2-5 parts of a polygonum multiflorum extract, 1-4 parts of a mulberry extract and 0.1-1 part of chondroitin sulfate, the feed also comprises the following components in parts by weight: 0.01 to 0.1 part of vitamin A, 0.1 to 1 part of vitamin E, 0.001 to 0.01 part of vitamin B1, 0.001 to 0.01 part of vitamin B2, 0.001 to 0.01 part of vitamin B12, 0.01 to 0.1 part of nicotinic acid, 0.001 to 0.01 part of pantothenic acid, 0.001 to 0.01 part of folic acid, 0.001 to 0.01 part of biotin, 0.1 to 2 parts of lysine, 0.5 to 5 parts of taurine and 0.5 to 2 parts of arginine. The chicken powder is prepared from 20-35 parts of chicken powder, 15-30 parts of maltodextrin, 15-30 parts of chicken liver powder, 5-10 parts of milk powder and 1-5 parts of calcium lactate.
Owner:南京泛成生物科技有限公司
Colour fading agent composition and its application method
ActiveCN1831237AImprove fadingGood decolorization effectBleaching apparatusDyeing processSodium metasilicateAgent Combination
The invention provides a depigment agent combination, comprising: sodium dichloro iso cyanurate 20wt%-95wt% and anhydrous sodium metasilicate 5wt%-80wt%. and it has low soaking damage to fabrics, able to effectively reduce environmental pollution and able to be widely applied to spinning and weaving, and printing and dyeing fields and coat and leather dyeing fields, having better depigment effect, not influencing redyeing and beneficial to resources recycling.
Owner:天津市雄冠科技发展有限公司
Polymer polyols, compositions and uses thereof
ActiveCN107216420BHigh strengthFast curingPolyurea/polyurethane coatingsOptical partsPolymer sciencePolyol
The present invention relates to a polymer polyol and its composition and use. The polymer polyol is: a copolymer obtained by copolymerization of hydroxyl-containing acrylate and non-hydroxyl-containing acrylate. The composition includes: matrix resin, the polymer polyol described in the invention and a photochromic compound, and the hydroxyl solid content in the composition is 1.0%-6.0%. The composition provided by the present invention is a good photochromic coating composition (or known as photochromic coatings), which are suitable for the preparation of photochromic coated articles for ophthalmic use.
Owner:SHANGHAI GANTIAN OPTICAL MATERIALS
A method for changing the color of cracked heavy resin embossed leather
ActiveCN110760629BImprove fadingImprove bending resistanceComposite leathersPre-tanning chemical treatmentPolymer scienceWash water
The invention discloses a method for changing the color of cracked heavy resin embossed leather. Drain liquid; S2, add water, ethylene glycol ether, degreasing agent, and baking soda into the drum, control the water temperature at 48-52°C, and continue to rotate for 110-130 minutes before draining; S3, perform a wash with water, drain ; S4, adding water, ethylene glycol ether, degreasing agent, and baking soda into the drum, controlling the water temperature to 48-52°C, and draining after rotating for 82-98 minutes; S5, performing secondary washing and draining. The color changing method of the present invention has a good fading effect on cracked leather, heavy resin leather, and embossed leather. The leather base after dyeing again has a uniform and full color, good bending resistance, soft hand feeling, good elasticity, and high quality. Almost unaffected compared to before.
Owner:漳州香洲皮革有限公司
Method for fabricating art paint with protrusive pattern and heavy color
InactiveCN1915692BConducive to screeningFine pictureDecorative surface effectsSpecial ornamental structuresEngineeringEdge banding
A pattern decorated artistic painting is prepared through painting a picture on a plane medium, putting it in a film covered Al-Pt material while proportionally applying drying agent, drawing the profile of needed pattern on a paper, sticking various planar decorative materials in the pattern, putting the paper at relative positions in picture, putting a transparent plate on the picture, sealing its periphery, and vacuumizing.
Owner:何晓帆
Colored micron filament composite superfine fiber and preparation method thereof
PendingCN112853543AHigh color fastnessLittle changePhysical treatmentFibre typesPolytetramethylene terephthalatePolymer science
Owner:NINGBO SANBANG MICROFIBER
Dual-polarization indoor omni-directional ceiling antenna of long-term evolution mobile communication system
InactiveCN102709712BImprove transmission efficiencyImprove spectrum utilizationRadiating elements structural formsPolarised antenna unit combinationsFrequency spectrumResonance
Owner:上海东洲罗顿通信股份有限公司
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