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Electroluminescent element driving circuit, driving method thereof and display device
InactiveCN107591125AIncrease brightness adjustment rangeWide range of changesStatic indicating devicesElectricityDriving current
The invention provides an electroluminescent element driving circuit, a driving method thereof and a display device. The electroluminescent element driving circuit comprises a first switch tube and ischaracterized by further comprising at least two driving circuit units, wherein the driving circuit units are mutually connected in parallel, the driving circuit units are connected with a first electrode of the first switch tube, a grid electrode of the first switch tube is connected with a turn-on control signal, a second electrode of the first switch tube is connected with an anode of an electroluminescent element, and a cathode of the electroluminescent element is connected with a first potential terminal; and the driving circuit units are used for driving the electroluminescent element to emit light according to a write-in data signal. The driving circuit can realize simultaneous and concurrent driving of the at least two driving circuit units for the electroluminescent element, thereby increasing the variation range of driving current of the electroluminescent element, thus increasing the brightness adjustment range of the electroluminescent element, and expanding the application scenario range of an organic electroluminescent display product adopting the driving circuit.
Owner:BOE TECH GRP CO LTD
Method and platform for demonstrating multi-dimensional multi-industry information of two-dimensional codes
ActiveCN108229195AExpand the scope of application scenariosImplement security managementDigital data protectionSensing by electromagnetic radiationMulti dimensionalWorld Wide Web
Owner:高江涛
Micro-module data center having closed cold channel and closed hot channel and enforcement method thereof
InactiveCN107041110AExpand the scope of application scenariosImprove cooling efficiencyCooling/ventilation/heating modificationsHot runnerMicro level
The invention provides a micro-module data center with closed cold and hot channels and an implementation method thereof, belonging to the field of data centers. It includes two rows of cabinets arranged side by side. The front door of the front cabinet group is set opposite to the front door of the rear cabinet group, forming a closed cold aisle together with the skylight and the cold aisle door. The back doors of the rows of cabinet groups are set opposite to each other, and each row of cabinet groups forms a closed hot aisle together with the top sealing plate of the hot aisle, the sealing side plate of the hot aisle and the support member of the hot aisle. The invention simultaneously seals the hot and cold channels, which is beneficial to the centralized treatment of the air in the micro-module by the row-level air conditioner, can effectively improve the cooling efficiency of the micro-module data center, and reduce the PUE; the sealing of the peripheral channels can effectively reduce the impact of equipment noise on the machine room; the row-level If the air conditioner meets the cooling capacity requirements, there is no need to arrange rooms and precision air conditioners, which can reduce costs and greatly improve the market competitiveness of products.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Background difference and iteration searching-based status recognition method of high-voltage isolation switch
ActiveCN108334824AStrong real-timeWide range of applicationsCharacter and pattern recognitionHigh pressureIterative search
The invention discloses a background difference and iteration searching-based status recognition method of a high-voltage isolation switch. The method sequentially includes the following steps: 1) taking a multi-frame consecutive image sequence, and taking intermediate values of pixel point grayscale values of corresponding positions in the multi-frame image sequence to use the same as grayscale values of corresponding pixel points in a background image to acquire the background image; 2) carrying out difference operating on a current-frame image and the background-frame image to obtain a foreground image; 3) processing the foreground image through a shadow suppression method, and marking a position of the high-voltage isolation switch; 4) tracking the position of the high-voltage isolation switch through iteration calculation when the position of the high-voltage isolation switch changes; 5) using a result of a previous frame as input to carry out cyclic iteration to acquire a motiontrajectory of the high-voltage isolation switch; and 6) analyzing status of the high-voltage isolation switch according to an included angle of a switch tracking point and a center line after the motion trajectory of the high-voltage isolation switch is acquired. The method is high in real-time performance, wide in an application range, stable and reliable.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST +2
Cross-domain dialogue strategy migration method and device, equipment and readable storage medium
ActiveCN109739965AReduce wasteReduce the need for manual labeling dataDigital data information retrievalSpecial data processing applicationsDialog systemUser input
The invention provides a cross-domain dialogue strategy migration method, which comprises the following steps of: processing an input user input dialogue so as to map a corresponding target domain dialogue state; mapping the target domain dialogue state into a source domain dialogue state; based on a preset dialogue strategy of the source domain, processing the dialogue state of the source domainto obtain a corresponding dialogue reply of the source domain; and mapping the source domain dialogue reply into a target domain dialogue reply. The invention also provides a cross-domain dialogue strategy migration device, equipment and a readable storage medium. The technical problems that an existing conventionally constructed dialogue system is difficult to maintain, the cost of manual data annotation is high, data are repeatedly annotated, and annotated data are difficult to apply in a cross-domain mode are solved.
Owner:WEBANK (CHINA)
Pixel circuit, driving method thereof, OLED display panel, and display device
ActiveCN107680536AExtended voltage rangeIncrease brightness adjustment rangeStatic indicating devicesData signalDisplay device
The invention discloses a pixel circuit, a driving method thereof, an OLED display panel, and a display device; the pixel circuit comprises a data write-in module, a data adjusting module, a drive module, a lighting control module and a lighting device; the data write-in module and the data adjusting module provide data signals and signal variation of an initialized signal end to a control end ofthe drive module, wherein the signal variation of the initialized signal end is >0 and smaller than or equal to the data signal variation of the data signal end, thus enabling the drive module controlend to not only receive the data signal but also receive the signal variation of an initialized signal end, increasing the drive module control end voltage change range, further improving the lighting device brightness adjusting scope, and enlarging the application scene scope.
Owner:BOE TECH GRP CO LTD
Broadband high isolation double circularly polarized antenna based on single layer artificial surface plasmon
ActiveCN110311214ASimple structureImprove Caliber EfficiencyRadiating elements structural formsAntennas earthing switches associationFull waveCoaxial line
The invention belongs to the technical field of a microwave antenna and discloses a broadband high isolation double circularly polarized antenna based on a single layer artificial surface Plasmon. Theantenna includes a radiator, two vertically placed differential feed baluns and a metal reflector, wherein the radiator is located above the floor, upper ends of the two baluns are connected with theradiator, lower ends of the baluns penetrate through the metal floor and are connected with a feeding coaxial line, the radiator consists of four dipoles, two pairs of feeders and four parasitic metal rings, and the two pairs of feeders include a pair of coplanar strip lines and a pair of odd-mode artificial surface plasmon transmission lines. Full-wave electromagnetic simulation and processing tests are performed for the designed antenna, and that the antenna is capable of achieving broadband high isolation double circularly polarized radiation in the designed frequency band is verified. Theantenna is advantaged in that properties of high isolation, wide axial ratio bandwidth, high aperture efficiency and easy processing are achieved, and the application prospect is wide.
Owner:XIDIAN UNIV
QR code-based user secret information hiding method
ActiveCN110516775APrivacy protectionHigh computational complexityDigital data protectionRecord carriers used with machinesComputation complexityUser privacy
The invention belongs to the technical field of information safety, and discloses a QR code-based user secret information hiding method. The method comprises the following steps that: firstly, generating a position sequence, and generating the position sequence for information hiding by a user by using a secret key and a pseudo random number generator; and then encoding the secret information needing to be hidden by the user and then hiding the secret information into the encoding process of the QR code by using the position sequence. The hidden QR code can be normally scanned to read the cover information, so that the attention of an attacker is not easily attracted. Finally, the user can recover the secret information in the hidden QR code by using the secret key. According to the method, the privacy information of the user is hidden by utilizing the QR code, the pseudo random number generator and the information hiding property, and only the user with the secret key can read the hidden information. The hiding and recovering algorithm is low in calculation complexity, can be used on low-power equipment, and is wide in application scene.
Owner:XIAN UNIV OF POSTS & TELECOMM
Content retrieval method, terminal, server, electronic equipment and storage medium
ActiveCN109948073AExpand the scope of application scenariosImprove retrieval efficiencyEnergy efficient computingSpecial data processing applicationsContent retrievalKnowledge graph
The invention provides a content retrieval method. The content retrieval method comprises the following steps: receiving a page content retrieval trigger instruction; Obtaining a page address of the page content according to the page content retrieval trigger instruction; Generating a content entity knowledge map corresponding to the page content based on the page address; And displaying the content entity knowledge graph so that the user can perform keyword content retrieval operation. The invention further provides a content retrieval terminal and a content retrieval server. According to thecontent retrieval method, the terminal and the server, the corresponding content entity knowledge graph is generated through the page content, and a user can perform content retrieval operation through the keywords in the content entity knowledge graph, so that the application scene range of content retrieval is expanded, and meanwhile, the retrieval efficiency of the content retrieval is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Multi-vehicle obstacle avoidance path planning method
ActiveCN110597247ASolve the problem of safe drivingImprove robustnessPosition/course control in two dimensionsProbable CaseEngineering
The invention relates to a multi-vehicle obstacle avoidance path planning method in the field of traffic. The method comprises the following steps of planning a driving path of a selected vehicle on atarget road and storing a planned driving path of the selected vehicle to a processor; dividing a driving region of the target road into a plurality of road section regions, and dividing the planneddriving path of the selected vehicle into a plurality of driving road sections according to the road section regions; when the vehicle travels for a certain distance, carrying out roadblock position query on the road segment region; judging whether a roadblock exists on a second driving road section or not according to a query result and other vehicle driving paths; and re-planning the second driving road section and a third driving road section under a condition that the roadblock is queried on the second driving road section or there is a possibility that the selected vehicle collides with other vehicles, and storing the second driving road section and the third driving road section to the processor. According to the method, a problem of how to dynamically adjust the paths of multiple vehicles in an actual driving process in order to realize safe driving is solved.
Owner:广州智湾科技有限公司
Structured light and TOF technology fused 3D imaging device
The invention discloses a structured light and TOF technology fused 3D imaging device, comprising: a projection module (10) which comprises a light source (101), a collimating lens (102) and a diffractive optical element (103); the projection module (10) has a structured light emission mode and a TOF emission mode; in the structured light working mode, the projection module projects a structured light pattern to a target object; and in the TOF emission mode, the projection module projects a floodlight illumination pattern to the target object. The device further comprises a receiving module (20) which is used for collecting an optical signal emitted by the target object; and a control calculation module (30) which is used for controlling the projection module (10) and the receiving module (20) and calculating the depth information of the target object according to the optical signal acquired by the receiving module (20). According to the device, two working modes of structured light and TOF technology are fused, other component structures do not need to be added, the number of integrated components is reduced, the module size is reduced, the integration degree is effectively improved, and the application scene range of the device is greatly widened.
Owner:深圳市安思疆科技有限公司
Method for extracting water surface passable area by high-robustness unmanned ship based on laser radar
PendingCN114140412ALow environmental requirementsExpand the scope of application scenariosImage enhancementImage analysisEngineeringReal-time computing
The invention relates to the technical field of laser radar sensors and unmanned ship automatic driving, in particular to a method for extracting a water surface passable area by a high-robustness unmanned ship based on a laser radar. According to the method, experimental environment data are acquired by using a laser radar sensor, semantic segmentation is performed on point cloud data through a neural network, continuous multi-frame river bank point cloud data are fused, river bank point cloud is refined through smooth filtering and an image corrosion method, and then feature points are extracted and sequenced to serve as control points. Then, in order to slow down the rapid change of the river bank, the control points are smoothed through unscented Kalman filtering; and fitting the smoothed control points by using a B spline curve, and finally carrying out noise filtering on the extracted water surface region based on particle filtering. The robustness and precision of extracting the water surface passable area are effectively improved.
Owner:SUN YAT SEN UNIV +1
Action detection method and device, computer readable storage medium and computer equipment
ActiveCN110909691AImprove accuracyAchieve protectionImage analysisCharacter and pattern recognitionTime domainPoint cloud
The invention relates to an action detection method and device, a computer storage medium and computer equipment. The action detection method comprises the steps of obtaining continuous and more thanone frame of depth image data; determining point cloud data corresponding to the depth image data and a target object; extracting spatial features corresponding to the point cloud data; obtaining a time domain feature corresponding to the target object according to a result of splicing the spatial features; and determining an action detection result corresponding to the target object according tothe time domain feature. According to the scheme provided by the invention, the accuracy of action detection can be improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD
High-robustness sea-sky-line extraction method based on photoelectric sensor
PendingCN114140484AExpand the scope of application scenariosImprove accuracyImage enhancementImage analysisBackground informationImage segmentation
The invention relates to a high-robustness sea-sky-line extraction method based on a photoelectric sensor. The method comprises the following steps of: enhancing an image edge under a vertical gradient, filtering some irrelevant vertical line segments, sampling straight lines to obtain candidate points of a boundary, keeping direction information of the straight lines, extracting image blocks around the candidate points according to the candidate points of the boundary, and extracting the image blocks; and judging whether the boundary is the sea-sky-line or the edge of other objects according to the image feature information around the boundary point. A convolutional neural network is trained by using an image block containing a sea-sky-line and an image block only containing background information, so that the network can learn sea-sky-line features, the sea-sky-line image block and the background information image block are effectively distinguished in the operation of filtering boundary candidate points, and the image block is subjected to image segmentation in RANSAC straight line fitting. The Euclidean distance between the fitting straight line and the fitting point and direction information reserved by sampling the straight line direction and the fitting point from the straight line are considered, so that the sea-sky-line which is finally fitted is higher in precision and higher in robustness.
Owner:SUN YAT SEN UNIV +1
Message processing method based on DHCP RELAY protocol and relay device
ActiveCN111835879AExpand the scope of application scenariosImprove stabilityNetworks interconnectionTrunkingMessage processing
The invention discloses a message processing method based on a DHCP RELAY protocol and a relay device. The method relates to the field of DHCP RELAY, and comprises the steps of generating an interfaceinformation table for recording a mapping relationship between an interface VLAN ID and an interface index, and a forwarding domain information table for recording a mapping relationship between theinterface VLAN ID and an interface virtual routing forwarding VRF ID; analyzing a uplink request message of a client, obtaining user attribute information, storing or updating the user attribute information to a local MAC information storage table to establish a mapping relationship between the MAC address of the client and the interface VLAN ID, inserting the user attribute information into the uplink request message, and sending the user attribute information to the server; analyzing a downlink protocol message responded to by the server, and sending the downlink protocol message to the client in a unicast manner from a specified output interface based on the MAC information storage table, the interface information table and the forwarding domain information table. According to the invention, the impact of downlink protocol message broadcasting and flooding can be avoided, and the network stability and security are enhanced.
Owner:FENGHUO COMM SCI & TECH CO LTD
Integrated chip for intestinal tract detection and implementation method of integrated chip
InactiveCN106419838AReduce volumeConvenience to workDiagnostic recording/measuringTemperature sensorsSupply managementElectrical battery
The invention provides an integrated chip for intestinal tract detection. The integrated chip comprises an intestinal tract detection sensor, an ADC conversion unit, a CPU, a Bluetooth control circuit, a Bluetooth antenna, a battery, a wireless charging coil and a power supply management circuit which are integrally encapsulated, wherein the intestinal tract detection sensor, the ADC conversion unit, the CPU, the Bluetooth control circuit and the Bluetooth antenna are sequentially connected, the battery and the wireless charging coil are respectively connected with the power supply management circuit, and no electric interfaces are left in the surface of the encapsulated chip. The integrated chip has the advantages that the whole integrated chip has no external physical electric connecting interfaces, the single chip can work independently without an external printed circuit board, charging and communication are completed in a wireless manner, the chip can work in environments, where original electronic equipment cannot work, such as water and human bodies, and the application scene range of the Internet of Things chip is expanded greatly.
Owner:FUZHOU ROCKCHIP SEMICON
VR immersion application system based on 3D live-action cloning technology
PendingCN111405270AIncrease authenticityImprove integrityInput/output for user-computer interactionGraph readingHTML5Computer graphics (images)
The invention discloses a VR immersion application system based on a 3D live-action cloning technology, and belongs to the technical field of virtual reality, and the system comprises: VR scanning equipment which selects a plurality of display points and connection points to carry out the scanning analysis of a live-action scene; a scene acquisition unit which is used for splicing a complete sceneby using a three-dimensional data splicing technology and then transmitting scene data; a scene storage unit which is used for fragmenting the scene data, slicing and segmenting the scene data according to an adaptive size and then storing a single file; a scene modeling unit which is used for establishing a scene model in a ratio of 1:1 with a real scene and transmitting scene model data to thefront-end equipment; and front-end equipment which is matched with the hardware display card, accelerates the hardware display card by using an HTML5 Canvas 3D technology, quickly loads scene model data and displays the scene model data. According to the VR immersion application system, the problems of possible data loss, insufficient scene authenticity and poor user experience caused by relatively large data volume and relatively high network bandwidth requirements of an existing VR application are solved.
Owner:河南师慧信息技术有限公司
Method, device and equipment for classifying users through decision tree model
PendingCN113379301AExpand the scope of application scenariosGood scene effectFinanceCharacter and pattern recognitionEngineeringDecision tree model
The invention discloses a method, device and equipment for classifying users through a decision tree model, and relates to artificial intelligence, and the method comprises the steps of obtaining at least one user attribute of a to-be-classified user and a pre-created decision tree model; obtaining a Gini coefficient corresponding to each attribute node of the decision tree model in a current scene, wherein the Gini coefficient carries weight information of the attribute node corresponding to the current scene; starting from a root node of the decision tree model, sequentially determining expenditure nodes of attribute nodes of a next level according to the Gini coefficient; selecting user attributes existing in attribute nodes of the decision tree model from the user attributes to obtain matching attributes; and matching the obtained matching attribute with each node attribute in the decision-making tree model, and classifying the user according to the determined expenditure node of each level in the decision-making tree model.
Owner:WEIKUN (SHANGHAI) TECH SERVICE CO LTD
Interface embedding display method and device, user terminal and readable storage medium
ActiveCN108196848AExpand the scope of application scenariosSoftware engineeringExecution for user interfacesProgramming languageType conversion
The invention provides an interface embedding display method and device, a user terminal and a readable storage medium. The method comprises the steps of obtaining a process identifier and a target window class name of a target application program, on the basis of the process identifier, obtaining a window handle matched with the target window class name; performing type conversion on the window handle, creating a window container matched with the window handle, and generating a corresponding window control widget; on the basis of the widget, creating an interface display class correspondinglymatched with a QML interface; registering the interface display class to the QML interface, and on the basis of the QML interface, displaying the target window corresponding to the interface displayclass. The interface embedding display method can embed the process interface of the target application program into the QML interface, and display the process interface according to the QML interfaceso as to improve the application scene range of the QML technology.
Owner:WUHAN DOUYU NETWORK TECH CO LTD
Blood vessel detection integrated chip and implementation method thereof
InactiveCN106361303AReduce volumeConvenience to workCatheterSensorsComputer hardwareElectrical battery
The invention provides a blood vessel detection integrated chip, which comprises a blood vessel detection sensor, an ADC conversion unit, an index monitoring unit, a Bluetooth control circuit, a Bluetooth antenna, a battery, a wireless charging coil and a power management circuit which are integrally packaged, wherein the blood vessel detection sensor, the ADC conversion unit, the index monitoring unit, the Bluetooth control circuit and the Bluetooth antenna are sequentially connected; the battery and the wireless charging coil are connected to the power management circuit; and the surface of the packaged chip is free from any electrical interfaces. According to the blood vessel detection integrated chip provided by the invention, the entire chip is free from any external physical electrical connecting interfaces, the single chip, without an external printed circuit board, can work independently, the chip can complete charging and communication in a wireless mode, and he chip can work in blood vessels, so that the application scene scope of the internet-of-things chip is greatly improved.
Owner:FUZHOU ROCKCHIP SEMICON
Confocal imaging device and confocal imaging method
InactiveCN110196232ASolve the tedious problem of scanning lighting processSolve the cumbersomePolarisation-affecting propertiesOptical elementsPlane mirrorConfocal imaging
The invention discloses a confocal imaging device and a confocal imaging method. In the embodiment of the invention, a problem of a tedious scanning lighting process is solved through an aperture imaging method, moreover, a regulable plane mirror array is arranged, a problem of failure in passing of confocal lighting is overcome through regulation of the plane mirror array, confocal imaging underscenes, such as underwater scene, are realized, and the application scene range is expanded.
Owner:ZHONGBEI UNIV
NFC intelligent dialing system based on set top box and method for realizing video call
InactiveCN107124574ARealize the bindingSolve the pain point of making video calls with complex operationsTwo-way working systemsSelective content distributionComputer scienceAntenna matching
The invention discloses a NFC intelligent dialing system based on a set top box and a method for realizing a video call. The system comprises a NFC controller, a clock interface circuit, an antenna, a host interface and a power supply interface, wherein the clock interface circuit is accessed into the NFC controller through an external clock input end of the NFC controller; the antenna is connected with the NFC controller through an antenna matching circuit; the host interface is connected with the NFC controller; and the power supply interface is connected with the NFC controller. The NFC intelligent dialing system disclosed by the invention can fast realize the binding of a NFC card and realize the video call through the dialing, so that the video call of the set top box is more convenient and intelligent, a pain point that the operation of dialing the video call through the set top box by the aged is complicated is solved, and the use of the aged is convenient.
Owner:张科欣
Intelligent beer machine
PendingCN110028032AWork around limitationsSimplify the buying processLiquid dispensingCarbon dioxide gas cylinder EGas cylinder
The invention discloses an intelligent beer machine. The intelligent beer machine comprises a refrigeration box body and an electric appliance box body installed above the refrigeration box body. Theelectric appliance box body is provided with a lifting sliding rail, a carbon dioxide gas cylinder and a bag outlet device. The lifting sliding rail is provided with a lifting tap assembly. The lifting tap assembly and the carbon dioxide gas cylinder are connected with the refrigeration box body through pipelines correspondingly. The bag outlet device comprises a bag outlet sliding rail arranged on the inner side of the electric appliance box body, a plurality of spring drawers installed on the inner side of the electric appliance box body and a bag outlet which is formed in the lower side ofthe electric appliance box body and connected with the bag outlet sliding rail. In this way, according to the intelligent beer machine, beer sale and beer storage bag sale are integrated on the same equipment, the problem that a beer storage container is limited is solved, the application scene range is enlarged, the purchasing process is simplified, the structural design is reasonable and compact, less space is occupied, and transportation and transposition are convenient.
Owner:CHANGSHU YIBO ELECTRICAL APPLIANCE CO LTD
Packaging structure and packaging method of no-electric-connection chip
ActiveCN107768319AExpand the scope of application scenariosReduce volumePrinted circuit assemblingSemiconductor/solid-state device detailsEngineeringInjection moulding
The invention provides a packaging structure of a no-electric-connection chip. The packaging structure comprises the components of a totally closed injection molded member, an NFC coil film or board,a main chip, a cell board, a wireless charging coil film or board and a substrate, wherein the NFC coil film or board, the main chip, the cell board, the wireless charging coil film or board and the substrate are successively laminated from top to bottom and are adhered for fixation. The NFC coil film or board is welded with the main chip through a welding wire; the main chip is welded with the cell board through a welding wire; the cell board is welded with the wireless charging coil film or board through a welding wire; the wireless charging coil film or board is welded with the substrate through a welding wire; and the main chip is welded with the substrate through a welding wire. Injection molding is performed on the welded product for forming a totally closed injection molded member.Furthermore the totally closed injection molded member and the upper surface of the substrate package the NFC coil film or board, the main chip, the cell board and the wireless charging film or board,and no electric interface exists on the surface. According to the packaging structure, no outward physical electric connecting interface exists on the whole chip and the chip can operate in an adverse environment, thereby greatly improving application scene range of an Internet-of-things chip.
Owner:FUZHOU ROCKCHIP SEMICON
Indoor distribution base station air interface synchronization method and system
ActiveCN114126033AImprove stabilityExpand the scope of application scenariosSynchronisation arrangementHigh level techniquesAir interfaceSelf adaptive
The invention provides an indoor distribution base station air interface synchronization method and system, and the method comprises the steps: obtaining synchronization information transmitted by a synchronization source base station, determining a downlink timing reference, and intercepting wireless frame data; obtaining a signal-to-noise ratio of an initial synchronization stage based on the wireless frame data, and obtaining a signal-to-noise ratio threshold according to the signal-to-noise ratio of the initial synchronization stage; acquiring a downlink air interface signal according to a preset period, acquiring a real-time synchronization state and a frame header relative offset value of a synchronization source base station according to the downlink air interface signal, and acquiring a signal-to-noise ratio in a synchronization keeping stage; determining a timing reference adjustment strategy based on the real-time synchronization state and a comparison result of the signal-to-noise ratio in the synchronization keeping stage and a signal-to-noise ratio threshold; and if it is judged that the real-time synchronization state is out-of-step and synchronization is not recovered within the preset detection period times, self-adaptive pre-compensation is carried out. According to the invention, on the premise that the hardware cost of the base station is not increased and the implementation complexity is low, the stability of the air interface synchronization state of the indoor distribution base station in a complex environment is effectively improved, and the application scene range of the indoor distribution base station is expanded.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD
Healthy chip for sports and realization method of healthy chip
InactiveCN106370199AReduce volumeConvenience to workDiagnostic recording/measuringSensorsElectrical batteryElectrical connection
The invention discloses a healthy chip for sports. The healthy chip comprises a sport health detection sensor, an ADC (Analog to Digital Converter) conversion unit, a CPU (Central Processing Unit), a Bluetooth control circuit, a Bluetooth antenna, an NFC (Near Field Communication) control circuit, an NFC antenna, a battery, a wireless charging coil and a power supply management circuit which are packaged into a whole, wherein the sport health detection sensor, the ADC conversion unit, the CPU, the Bluetooth control circuit and the Bluetooth antenna are sequentially connected; in addition, the CPU, the NFC control circuit and the NFC antenna are sequentially connected; the battery and the antenna charging coil are respectively connected with the power supply management circuit; besides, no electrical interface is formed in the surface of a packaged chip. According to the healthy chip disclosed by the invention, the whole chip has no external physical electrical connection interface; a single chip can separately work without an external printed circuit board; charging and communication are finished in a wireless manner; the chip is enabled to work in water or sweat and the other environments where original electronic equipment cannot work, so that the ranges of application scenes of Internet of Things chips are greatly widened.
Owner:FUZHOU ROCKCHIP SEMICON
Voice broadcast device with emergency light function
PendingCN109584478AExpand the scope of application scenariosLighting elementsCash registersEmergency lightComputer hardware
The invention discloses a voice broadcast device with an emergency light function. The voice broadcast device comprises a main body and an illuminating device, wherein the illuminating device is arranged on the main body through a rotating mechanism, so that the illuminating device can rotate relative to the main body. Through arrangement of the illuminating device on an existing voice broadcast device, the existing voice broadcast device can be used as an emergency illuminating device, so that the application scene range of the existing voice broadcast device is expanded.
Owner:马映中
A two-dimensional code multi-dimensional multi-industry information display method and platform
ActiveCN108229195BExpand the scope of application scenariosImplement security managementDigital data protectionSensing by electromagnetic radiationBusiness enterpriseSoftware engineering
The invention belongs to the field of two-dimensional code technology, and proposes a two-dimensional code multi-dimensional and multi-industry information display method, which includes the following steps: obtaining information and dividing its authority, wherein the authority includes ordinary authority and special authority; configuration and ordinary authority The corresponding general information display page, the special information display page corresponding to the special authority, the general information display page and the special information display page are all linked to the same QR code; obtain the account information of the scanning party with special authority, and issue a special Authorization ID, issue common authorization IDs to other code-scanners; obtain code-scanning requests, which carry authorization IDs; identify authorization IDs, and send corresponding information display pages to the code-scanners. A two-dimensional code multi-dimensional multi-industry information display platform is also proposed. The invention is cleverly conceived, and solves the technical problems in the prior art that the two-dimensional code information is single, private information of enterprises and individuals is leaked, and it is often inconvenient to use.
Owner:高江涛
A packaging structure and packaging method for an Internet of Things chip
ActiveCN107768318BExpand the scope of application scenariosReduce volumeSemiconductor/solid-state device detailsSolid-state devicesThe InternetElectrical connection
The invention provides a packaging structure of an Internet-of-things chip. The packaging structure comprises a totally closed injection molded body, an NFC coil film or board, a main chip, a cell board, a wireless charging coil film or board and a substrate. The NFC coil film or board, the main chip, the cell board and the wireless charging coil film or board are flatly distributed on the front surface of the substrate and are adhered and fixed through insulating glue and are welded with a substrate through welding wires, thereby forming electric connection. Injection molding is performed ona welded product for forming the totally closed injection molded body. Furthermore the totally closed injection molded body and the front surface of the substrate package the NFC coil film or board, the main chip, the cell board and the wireless charging coil film or board. After closing, no electrical interface exists on the integral surface. According to the packaging structure, no outward physical electrical connection interface exists, and the chip can operate in water or an environment in which an original electronic device cannot operate in human body, thereby greatly improving application scene range of the Internet-of-things chip.
Owner:FUZHOU ROCKCHIP SEMICON
A packaging structure and method for a non-electrically connected chip
ActiveCN107768319BExpand the scope of application scenariosReduce volumePrinted circuit assemblingSemiconductor/solid-state device detailsElectrical connectionThe Internet
The invention provides a packaging structure for chips without electrical connection, including a fully enclosed injection molded body, an NFC coil film or board, a main chip, a battery board, a wireless charging coil film or board, and a substrate that are stacked and fixed sequentially from top to bottom between the NFC coil film or plate and the main chip, between the main chip and the battery plate, between the battery plate and the wireless charging coil film or plate, between the wireless charging coil film or plate and the substrate, and The main chip and the substrate are respectively welded by welding wires; the welded product is injection molded to form the fully enclosed injection molding body, and the upper surface of the fully enclosed injection molding body and the substrate is connected to the NFC coil film or board, the main chip, the battery, etc. The board, wireless charging coil film or board is wrapped inside, leaving no electrical interface on the surface. The whole chip of the present invention does not have any external physical electrical connection interface, which can make the chip work in a harsh environment and greatly improve the scope of application scenarios of the Internet of Things chip.
Owner:FUZHOU ROCKCHIP SEMICON
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