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49results about How to "Does not affect visibility" patented technology
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Transformer fault classification and identification method based on vibration analysis method
ActiveCN106646096ADoes not affect classificationDoes not affect visibilitySubsonic/sonic/ultrasonic wave measurementElectric winding testingDecompositionTest sample
The invention discloses a transformer fault classification and identification method based on a vibration analysis method. The method comprises the following steps: S1) selecting a transformer test object, and collecting transformer vibration signals under different states as sample data; S2) calculating the sample data by utilizing a Hilbert-Huang transform EEMD (ensemble empirical mode decomposition) method to obtain an intrinsic mode function; S3) extracting characteristic vector V in each intrinsic mode function component; S4) carrying out dimensionality reduction on the characteristic vector through a principal component analysis method, coordinates being projected to a two-dimensional image; S5) carrying out classification on the sample data through a K neighbor method; S6) calculating the distance between a test sample and an original sample through a distance formula; S7) carrying out mode recognition; and S8) outputting corresponding transformer fault type in mode recognition. Operation state of a transformer can be judged visually and effectively.
Owner:GUANGAN POWER SUPPLY COMPANY STATE GRID SICHUANELECTRIC POWER +1
Method and device for decoding voice data
InactiveCN102436816AMake sure to recognize the responseImprove computing efficiencySpeech analysisTime delaysNetwork packet
The invention discloses a method and a device for decoding voice data. The method comprises the following steps: receiving a voice data packet to be decoded, wherein the voice data packet contains one to a plurality of voice frames; obtaining the cutting parameter of a current searching network corresponding to a corresponding voice frame; regulating the cutting parameter of the searching network according to the decoding time delay of the corresponding voice frame; decoding the corresponding voice frame by Viterbi searching in the searching network after the corresponding cutting parameter is regulated; or, receiving the voice data packet to be decoded, wherein the voice data packet contains one to a plurality of voice frames; obtaining the cutting parameter of the current searching network corresponding to the corresponding voice frame; decoding the corresponding voice frame by Viterbi searching corresponding to the cutting parameter of the current searching network; and regulating the cutting parameter of the searching network according to the decoding time delay of the corresponding voice frame. By the method and the device for decoding the voice data, the controllability of the decoding time delay is realized by the self-adapting regulation of a searching and cutting threshold, and the practical value of a system is enhanced.
Owner:IFLYTEK CO LTD
Display device
InactiveCN102792219APrevent outflowReduce distanceNon-linear opticsIdentification meansDisplay device
Grooves (27) are formed on first wiring lines (21, 23a) of a first substrate so as to continuously extend along an outer peripheral edge section of the substrate and so as to transverse the first wiring lines (21, 23a). Groove backing metal (27a) is provided on the same layer as a second wiring line (23) in the layer underneath at least the areas in which the grooves (27) overlap with the first wiring lines (21, 23a) in planar view.
Owner:SHARP KK
Method and device for processing interactive message in live video
ActiveCN110191348ADoes not affect visibilityDoes not affect viewingSelective content distributionMessage queueMessage processing
The embodiment of the invention provides an interactive message processing method and device in live video, and the method comprises the steps: receiving an interactive message sent by a server; judging the level of the interactive message according to the message level information in the interactive message; if the interactive message is an advanced interactive message, storing the interactive message in a corresponding message queue according to a live broadcast room identifier in the interactive message; otherwise, judging whether the message quantity of other interactive messages except the advanced interactive message in the message queue is smaller than a first threshold value or not; and if the message quantity of other interactive messages except the advanced interactive message inthe message queue is smaller than the first threshold value, storing the interaction message in the message queue, and if the message quantity of other interactive messages except the advanced interactive message in the message queue is greater than or equal to a first threshold value, discarding the interaction message, and pushing the interaction message in the message queue in the current display time period to an anchor client of the live broadcast room for display. According to the invention, through filtering the interaction message received during live broadcast, the live broadcast fluency of the anchor end can be ensured, and the live broadcast effect and the user experience are improved.
Owner:WUHAN DOUYU NETWORK TECH CO LTD
Liquid crystal display and its driving method and electrode layout method
ActiveCN101000439ADoes not affect penetrationDoes not affect visibilityStatic indicating devicesNon-linear opticsLiquid-crystal displayDisplay device
A liquid crystal display is featured as utilizing reference electrode with two or above different potential distributions to cause variation of liquid crystal arrangement angle in sub-pixel region corresponding to said electrode in order to make Gamma curve and color of display at large visual angle be near to effect of front-view angle and to not influence penetration ratio and display effect of original front-view angle. The driving method and electrode-configuring method of said liquid crystal display are also disclosed.
Owner:AU OPTRONICS CORP
Map load based method for dynamically screening electronic map point elements
ActiveCN104036688ADoes not affect visibilityDoes not affect comprehensionMaps/plans/chartsGrid partitionComputer science
The invention provides a map load based method for dynamically screening electronic map point elements. The map load based method for dynamically screening the electronic map point elements comprises 1, performing mesh dividing on point sets of POI (Point of Information) on a map, wherein the size of meshes is identical; 2, dividing the POI in different types to be in different display levels according to the map purpose; 3, confirming pre-reserved points in an electronic map according to the display levels of the POI and the largest area load under the electronic map scale; 4, screening the point set of reserved POI of every mesh and achieving screening of the electronic map point elements. According to the map load based method for dynamically screening the electronic map point elements, the reserved point elements can display the information amount of the point elements in the map maximally, meanwhile mutual covering is avoided, and accordingly cognitive difficulties caused by too much or too little map information amount are avoided.
Owner:XIAMEN YAXON NETWORKS CO LTD
Method for compressing fingerprint direction quantized diagram to embedded system
InactiveCN1940995ADoes not affect visibilityImprove compression efficiencyCharacter and pattern recognitionImage codingOriginal dataTheoretical computer science
This invention is to open a quantized compressing method for finger-print directional graph in a embedding system. It is includes: 1. quantize level and sectional storage parameter selection; 2. directional graph quantification; 3. getting forward difference of the quantized directional graph; 4. substitute the original data by the sum of the repeating times of forward difference and the original data; sectional store the directional data and the forward difference; read the compressed data by the method stated in procedure 4.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Tire
InactiveCN101583502AImproved exterior design featuresImprove visibilityOutline designsTyre tread bands/patternsVisibilityEngineering
Owner:BRIDGESTONE CORP
Flame retardant high-heat-resistant polypropylene composite material for transparent electric cooker and preparing method and application of flame retardant high-heat-resistant polypropylene composite material
The invention discloses a flame retardant high-heat-resistant polypropylene composite material for a transparent electric cooker and a preparing method and application of the flame retardant high-heat-resistant polypropylene composite material. The composite material is composed of, by mass, 60-97% of high-crystallized homo-polypropylene, 1-20% of transparent padding master batch, 1.7-10% pf flame retardant master batch, 0.1-5% of scraping-resistant master batch, 0.1-2% of thermal oxidative aging resisting agent and 0.2-3% of addition agent. All the components are evenly mixed and added in a parallel double-screw extruding machine, blending and melt extrusion are carried out, and the composite material is obtained. The composite material is low in cost and excellent in comprehensive physical and mechanical property and can be used in the fields of small household appliances such as electric cookers, pressure cookers, induction cookers and soybean milk machines.
Owner:GUANGZHOU SUPER DRAGON ENG PLASTICS
Method and device for establishing and operating electronic map aggregated layer
InactiveCN105824905ADoes not affect storageDoes not affect visibilitySpecial data processing applicationsElectronic mapMetadata
The invention belongs to the technical field of electronic maps, and particularly relates to a method and a device for establishing and operating an electronic map aggregated layer. The method for establishing the electronic map aggregated layer comprises the following steps: S1, selecting a map element layer as a meta layer for establishing the aggregated layer; S2, extracting out the meta layer from a spatial database, performing display configuration, establishing metadata, and building the aggregated layer; S3, registering the aggregated layer in a layer table. A user can specifically select map element layers to form the aggregated layer according to different application situations and individual demands. The map elements in the aggregated layer maintain storage modes and display effects of the map elements in the meta layer before combination, storage and display of different elements inside are not affected when the operation of aggregating layers is implemented, and in external feeling, all map elements inside different meta layers seem like an independent layer.
Owner:XIAMEN KINGTOP INFORMATION TECH
Thermochromic antibacterial polypropylene composite material for see-through rice cooker and preparation method
The invention discloses a thermochromic antibacterial polypropylene composite material for a see-through rice cooker and a preparation method. The composite material comprises, by mass, 70-90% of high-crystallized homo-polypropylene, 0-25% of transparent filler masterbatches, 0.5-10% of antibacterial agent masterbatches, 0.5-10% of mildewproof agent masterbatches, 0.2-2% of thermosensitive chromotropic paint, 0.1-10% of antistatic masterbatches, 0.2-0.4% of antioxidants and 0.2-0.5% of lubricating agents. The components are mixed evenly and then added in a parallel twin screw extruder to be blended, melted and extruded to obtain the composite material. The composite material has the excellent comprehensive performances of resisting high temperature and being antibacterial, mildewproof, antistatic and thermochromic and the like, and can be applied to the field of small household appliances such as rice cookers, pressure cookers, induction cookers and soybean milk machines.
Owner:GUANGZHOU SUPER DRAGON ENG PLASTICS
Construction method for gene site-specific mutagenesis in embryonic cell of mouse
InactiveCN102839156ASkip the screening processAvoid irreversible differentiationMicroinjection basedAnimal husbandryCell selectionEmbryo
The invention discloses a construction method for gene site-specific mutagenesis in an embryonic cell of a mouse. A gene site-specific mutagenesis mouse is constructed by introducing a specific nucleotide sequence into the embryonic cell of the mouse. The construction method comprises the following steps: confirming a target sequence in a target genome sequence of the mouse; constructing a TALEN nucleotide sequence capable of identifying and cutting a target gene, according to the sequence of the target sequence; introducing the TALEN nucleotide sequence into the embryonic cell of the mouse; and applying the obtained embryonic cell of the mouse to culture in vitro or directly implanting to a female mouse, expressing the TALEN and cutting the target genome, thereby selecting the gene site-specific mutagenesis mouse. The construction method provided by the invention has the advantages that a homologous recombined target carrier need not be constructed, the ES target cell selection is unnecessary, the mutant proportion is high, the operation is convenient, the test cost and period are greatly reduced, and the like.
Owner:EAST CHINA NORMAL UNIV
Pressure state display device
InactiveCN101147023AObservation positionDoes not affect visibilityFluid pressure measurement using pistonsPipe elementsPositive pressureDisplay device
A pressure status display device displays whether positive pressure fluid or negative pressure fluid is being supplied in a fluid channel. A fluid guiding member (17) is constructed from a coupling body (11) where a fluid channel (12) is formed and from a partition member (16) provided outside the coupling body (11), and a receiving space (19) is formed by the partition member (16) and the coupling body (11). A pressure chamber (22a) communicating with the fluid channel (12) via a communication hole (23) is formed in the receiving space (19) by a sliding seal member (21) provided in the receiving space (19). When pressure is not being supplied to the fluid channel (12) by a spring member (25), a sliding sleeve (24) is positioned at a non-supply position, and when pressure is supplied, the sliding sleeve (24) moves to a supply position. The pressure status in the fluid channel (12) can be confirmed from the outside by observing the positions of the sliding seal member (21) and the sliding sleeve (24).
Owner:KOGANEI
Cloud intelligent control automatic spray cooling system
InactiveCN104858087AImprove evaporation efficiencyEnsure public safetySpraying apparatusSpray nozzleData transmission
The invention provides a cloud intelligent control automatic spray cooling system. The cloud intelligent control automatic spray cooling system comprises a platform, a ceiling, a plurality of nozzles, a water pipe, an environment sensor, a memorizer, a cloud server, an intelligent terminal and a controller. The ceiling is arranged at the top of the platform, the nozzles are arranged at the front edge of the ceiling in sequence, water inlets of the nozzles are connected with the water pipe, the nozzles are controlled by the controller to be closed or controlled by the controller to be opened to spray water, the controller is connected with the environment sensor used for obtaining outside environmental data, the data output end of the controller is connected with the data input end of the memorizer, the data transmission end of the memorizer is connected with the data transmission end of the cloud server, and the data transmission end of the cloud server is connected with the intelligent terminal. The cloud intelligent control automatic spray cooling system can be used for rapidly cooling public places, has a good atomization effect and stable performance, and can be controlled remotely.
Owner:CHONGQING INST OF MECHANICAL & ELECTRICAL ENG
Liquid crystal display panel and liquid crystal display
InactiveCN108520723ADoes not affect visibilityReduce leakage currentStatic indicating devicesNon-linear opticsCapacitanceElectricity
The embodiment of the invention discloses a liquid crystal display panel. The liquid crystal display panel comprises: a GOA circuit comprising multi-level interconnected GOA units; a low-potential transmission wire electrically connected with the GOA units to transmit a low-potential voltage to the corresponding GOA units, wherein the low-potential transmission wire is provided with a voltage detection point; a low-potential supplying unit configured to supply and output a low-potential standard voltage; a compensation unit, wherein a first input end of the compensation unit is electrically connected with the low-potential supplying unit, a second input end of the compensation unit is electrically connected with the voltage detection point to detect voltage fluctuation on the low-potentialtransmission wire, an output end of the compensation unit is electrically connected with the low-potential transmission wire, and the compensation unit controls a voltage output to the low-potentialtransmission wire according to the voltage at the voltage detection point. The embodiment of the invention further discloses a liquid crystal display. The liquid crystal display panel and the liquid crystal display can avoid abnormal display of the liquid crystal display panel caused by capacitive coupling effect of the low-potential transmission wire.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Display panel, display device and preparation process of display panel
ActiveCN109920932AImprove packaging effectImprove yieldSolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceEngineering
Owner:BOE TECH GRP CO LTD
Carriage for coal conveying train
The invention relates to a carriage for a coal conveying train. The carriage comprises a box body with an opening in the top. The carriage is characterized in that a liquid storage pot is arranged on the inner side wall of the box body, a liquid outlet is formed in the bottom of the liquid storage pot, a liquid inlet is formed in the upper portion of the side wall of the liquid storage pot, and an air outlet is formed in the top of the liquid storage pot. The liquid outlet in the liquid storage pot is connected with a spraying main pipe through a water pipe, and the water pipe is provided with a water pump. The spraying main pipe is horizontally arranged and located above the opening of the box body. Nozzles are evenly distributed on the spraying main pipe in the longitudinal direction. Inner cavities of the nozzles are communicated with an inner cavity of the spraying main pipe. Spray openings of the nozzles face towards the opening of the box body. The water pump is connected with a controller through a wire. When the carriage is full of coal to be connected to the train for conveying, pollution caused to the environment is small, and traffic potential safety hazards are avoided.
Owner:WUXI HUIFATE PRECISION MACHINERY
Middle island type extractor hood
PendingCN109751643AConsistent appearanceDoes not affect visibilityDomestic stoves or rangesLighting and heating apparatusEngineeringSmoke
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
Method of realizing information display and encryption based on femtosecond laser-induced segmentation patterns
ActiveCN110899957ADoes not affect visibilityStrong spectroscopic effectLaser beam welding apparatusFemto second laserEngineering
The invention discloses a method of realizing information display and encryption based on femtosecond laser-induced segmentation patterns. The method comprises the following steps: firstly, a metal film on which Ti and Au are sequentially deposited on a glass substrate is taken as a processing object; secondly, a light path is built, and a computer is used to adjust a femtosecond laser device to output laser, wherein the laser wavelength is 1030 nm, the pulse width is 240 fs, the repetition frequency is adjustable within 1-200 kHz, and the maximum monopulse energy is 200 muJ; a sample is thenfixed on a processing station of a shear type lifting platform, the laser energy, a scanning speed and a scanning distance are adjusted, the pattern is equally segmented by 100 mum, and respectively laser-induced periodic surface structures LIPSSs of which the directions are vertical to each other are prepared in the segmented adjacent areas. According to the method, the LIPSSs perpendicular to each other in directions are prepared in the adjacent areas of the segmented pattern through femtosecond laser induction, the information display range is expanded, and information encryption is achieved.
Owner:XI AN JIAOTONG UNIV
Laminated film
ActiveCN112639000ADoes not affect visibilityIncreased durabilityLiquid crystal compositionsOptical filtersImaging qualityDisplay device
The present application may provide a laminated film comprising a retardation layer exhibiting blocking characteristics against a specific ultraviolet ray even when no ultraviolet absorber or light stabilizer is mixed therein. In addition, the present application may provide a laminated film which: exhibits a constant UV blocking property even in the absence of a UV absorber or light stabilizer, and is thus used alone or in combination, as necessary, with an appropriate UV blocker or light stabilizer; selectively blocks ultraviolet rays in areas requiring blocking without affecting display performance such as color and image quality of a display device; does not need a separate ultraviolet blocking layer and thus may be thinly formed; and has excellent durability.
Owner:LG CHEM LTD
Oriented and flattened material composition, display device and display color adjusting method
InactiveCN104212463ADoes not affect visibilityAchieve regulationLiquid crystal compositionsNon-linear opticsLiquid-crystal displayDisplay device
Owner:BOE TECH GRP CO LTD +1
Camera module and mobile terminal
InactiveCN111294487ARealize the camera functionWithout compromising simplicityTelevision system detailsColor television detailsEngineeringCamera module
The invention provides a camera module and a mobile terminal. The camera module is fixedly installed in a frame body of the mobile terminal, and comprises a shell with an opening at one end, a camera,a support, at least two hooks and at least one elastic piece. The first end of the support fixes the camera, the second end of the support extends into the opening, the second end of the support is provided with at least two connecting plates. One end of the hook is connected to the shell, the other end of the hook is slidably hung on the connecting plates. Each elastic piece is connected with the shell and the second end, and the elastic pieces have pre-compression amount and drive the hook to be hooked with or unhooked from the connecting plates when being pressed. When a user presses the camera, the elastic piece is pressed to drive the connecting plate to move in the direction deviating from the opening, so that the hook is unhooked, then the hook and the connecting plate relatively slide under the elastic force drive of the elastic piece, and the support drives the camera to pop up. After framing is finished, a user presses the camera, the elastic piece is pressed to drive the connecting plate to move in the direction away from the opening until the hook and the connecting plate achieve hooking, and the camera retracts.
Owner:HUAWEI TECH CO LTD
Module address unit based on porallel bus
InactiveCN1435766ADoes not affect visibilityDoes not affect functionalityElectric digital data processingAddress spaceComputer engineering
A module address unit based on parallel bus for different modules is composed of bus isoalting and driving circuit, module enable generator, module control signal generator and R / W signal switching circuit. Its features are that the address space is independent to the number of address lines in address bus and theoritically unlimited, the module address allocation is very flexible, and the positions of the modules with different functions and be exchanged without influence on their recognition and functions.
Owner:ZTE CORP
Polarizing plate
ActiveCN112585510ADoes not affect visibilityIncreased durabilityLiquid crystal compositionsPolarising elementsImaging qualityDisplay device
Owner:LG CHEM LTD
Augmented reality scene construction system and method
PendingCN114693889AGuaranteed identifiabilityDoes not affect detectabilityMetadata multimedia retrievalCo-operative working arrangementsImaging processingComputer graphics (images)
The invention discloses an augmented reality scene construction system and method, and relates to the technical field of virtual reality, and the system comprises an image obtaining unit which is used for obtaining a current scene image through a camera, displaying the current scene image on a terminal screen, and when a target mark is detected in the current scene image, displaying the current scene image on the terminal screen; the two-dimensional code in the current scene image continues to be detected, the target mark comprises a black rectangular frame, and one side area of the black rectangular frame comprises the two-dimensional code with the reverse color; and the image processing unit is used for carrying out image preprocessing on the current scene image. By directly acquiring the image data and carrying out two-dimensional code detection on the image data, the problem that the number of marks of an existing augmented reality system is limited is solved, and any mark can correspond to massive augmented reality content.
Owner:苏州文墨传媒广告有限公司
Rainproof type reflective mirror
The invention discloses a rainproof type reflective mirror which is formed by a reflective mirror (1) and an air feeding device (2) and the air feeding device (2) is installed inside the reflective mirror (1). A fan (2-1) inside the air feeding device (2) is installed inside a casing (2-2); the casing (2-2) is installed inside an outer casing (1-2) of the reflective mirror (1); a switch which controls the fan (2-1) is installed inside an automotive cab; a power source of the fan is from a power source of an automobile; when it rains during the advancing process of the automobile, the switch which controls the fan (2-1) is turned on, the fan (2-1) rotates, air is blew out from a rear air blocking plate (2-2-2) and a front air blocking plate (2-2-3), rains falling from positions on a lens (1-3) is blew away and the rainwater is prevented from falling on the lens (1-3) due to the fact that the position of blew-out air is above the lens (1-3) of the reflective mirror (1), images on the lens (1-3) can be clearly observed by a driver, and accordingly a purpose of improving safe driving is achieved. The rainproof type reflective mirror is not only fit for the automobile, but also motorcycles, electric bicycles and reflective mirror components.
Owner:李晓亮
Man-machine interaction method and electronic equipment
ActiveCN111078096AEasy to identifyImprove accuracyInput/output for user-computer interactionDigital data information retrievalEngineeringInteraction technology
The embodiment of the invention relates to the technical field of human-computer interaction, and discloses a human-computer interaction method and electronic equipment, and the method comprises the steps: recognizing a target finger wearing a finger sleeve marked with a specified graph from a plurality of fingers touching a certain learning page; and identifying the content touched by the targetfinger from the learning page as the content pointed by the user. Through the embodiment of the invention, the recognition rate and accuracy of the content pointed by the user are improved, and the operation experience of the user is improved.
Owner:GUANGDONG XIAOTIANCAI TECH CO LTD
Easy-to-clean polypropylene composite material for see-through electric rice cooker and its preparation method and application
The invention discloses an easy-to-clean polypropylene composite material for a see-through rice cooker, a preparation method and an application. The composite material is composed of, by mass, 30-80% of high-crystallized homo-polypropylene, 1-20% of transparent filler masterbatches, 0.5-10% of polytetrafluoroethylene micro powder, 10-40% of nano-silica masterbatches, 0.1-0.5% of hindered phenolic antioxidants, 0.1-1% of phosphorated antioxidants, 0.1-1% of thioester antioxidants and 0.1-2% of lubricating agents. The components are mixed evenly and then added in a parallel twin screw extruder to be blended, melted and extruded to obtain the composite material. The composite material has the advantages of resisting high temperature and long-term thermo-oxidative aging, being easy to form and excellent in comprehensive physical and mechanical performance and the like, and can be applied to the field of small household appliances such as rice cookers, pressure cookers, induction cookers and soybean milk machines.
Owner:GUANGZHOU SUPER DRAGON ENG PLASTICS
Processing method for front-end identification of edge computing box
PendingCN111738163AUpload does not affectGuaranteed stabilityTelevision system detailsResource allocationComputer hardwareEdge computing
The invention discloses a processing method for front-end identification of an edge computing box. A Huawei Hisilicon HI3559AV100 processor is used as a carrier of edge computing box processing algorithm identification and a series of tasks. Image algorithm identification is carried out at the upper end instead of the rear end; the method is characterized in that an HI3559AV100 processor core of the edge computing box is composed of a dual-core ARM Cortex-A73 at 1.6 GHz, a dual-core ARM Cortex-A53 at 1.2 GHz and a single-core ARM Cortex-A53 at 1.2 GHz. According to the invention, the identified algorithm program is installed at the identification site, so that algorithm identification is achieved at the occurrence site without depending on the network.
Owner:广东辰启科技有限责任公司
A Method of Realizing Information Display and Encryption Based on Femtosecond Laser Induced Segmentation Pattern
ActiveCN110899957BDoes not affect visibilityStrong spectroscopic effectLaser beam welding apparatusFemto second laserEngineering
The invention discloses a method of realizing information display and encryption based on femtosecond laser-induced segmentation patterns. The method comprises the following steps: firstly, a metal film on which Ti and Au are sequentially deposited on a glass substrate is taken as a processing object; secondly, a light path is built, and a computer is used to adjust a femtosecond laser device to output laser, wherein the laser wavelength is 1030 nm, the pulse width is 240 fs, the repetition frequency is adjustable within 1-200 kHz, and the maximum monopulse energy is 200 muJ; a sample is thenfixed on a processing station of a shear type lifting platform, the laser energy, a scanning speed and a scanning distance are adjusted, the pattern is equally segmented by 100 mum, and respectively laser-induced periodic surface structures LIPSSs of which the directions are vertical to each other are prepared in the segmented adjacent areas. According to the method, the LIPSSs perpendicular to each other in directions are prepared in the adjacent areas of the segmented pattern through femtosecond laser induction, the information display range is expanded, and information encryption is achieved.
Owner:XI AN JIAOTONG UNIV
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