Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

17results about How to "Implement extensions" patented technology

Light emitting diode epitaxial structure and display panel

ActiveCN224653904UReduce directional transportImplement extensions
The utility model relates to a kind of LED epitaxial structures, comprising: substrate;N type layer;Active layer is located on N type;P type layer, located on active layer;Wherein, the P type layer includes P type window layer, P type window layer includes several first laminated structure, each first laminated structure includes the GaInP layer, first GaP layer and second GaP layer of sequentially laminated, the P type doping concentration of second GaP layer in each first laminated structure is greater than the P type doping concentration of first GaP layer.The GaInP layer of the utility model has higher band gap, plays the role of optical window layer, can reduce light absorption loss;GaP has lower band gap, first GaP layer and second GaP layer play the role of buffer layer / transition layer, so the combination of GaInP layer, first GaP layer and second GaP layer realizes the balance of band matching and carrier transport efficiency, conducive to the efficient extension of current.
Owner:JIANGXI CHANGELIGHT SEMICONDUCTOR SCI-TECH CO LTD

A dielectric waveguide resonator and a multimode dielectric waveguide resonator

ActiveCN116031602Bincrease distanceImplement extensionsResonant cavityLow-pass filter
The application discloses a dielectric waveguide resonator and a multimode dielectric waveguide resonator, which comprises a dielectric resonant cavity, the dielectric resonant cavity comprises a dielectric body and a metal plating layer wrapping an outer surface of the dielectric body; a metal loading interface is arranged in the dielectric body and is connected with the metal plating layer; the metal loading interface intersects with an intrinsic electric field direction of the dielectric resonant cavity to reduce a main mode frequency of the dielectric resonant cavity. Embodiments of the application provide a dielectric waveguide resonator and a multimode dielectric waveguide resonator, by adding a metal loading interface in a dielectric body of a dielectric waveguide resonator, the size, frequency and unloaded Q value of the dielectric waveguide resonator are kept unchanged, high-order mode harmonics are pushed away, the performance of a low-pass filter is improved, and loss is improved.
Owner:SHENZHEN SAMSUNG COMM TECH RES +1

A tablet keyboard protective case and tablet computer components

This utility model relates to the field of electronic device accessories technology, specifically to a tablet keyboard protective cover and a tablet computer assembly. The tablet keyboard protective cover includes: a first sleeve and a second sleeve rotatably connected. The keyboard is connected to the inner side of the first sleeve. The second sleeve includes a first support plate and a second support plate rotatably connected. The first support plate is rotatably connected to the first sleeve via a first flexible connecting part, and a protective shell is connected to the second support plate. A support member is rotatably connected to the side of the keyboard near the first flexible connecting part. The support member is connected to the first support plate via a second flexible connecting part, so that when the tablet keyboard protective cover is closed, the width direction of the support member rotates to be perpendicular to the plane of the keyboard; when the tablet keyboard protective cover is open to support the tablet computer, the width direction of the support member rotates to be parallel to the plane of the keyboard. This method extends the effective support surface during use, which helps to improve the stable support for the tablet computer.
Owner:SHENZHEN TESHILUN TECHNOLOGY CO LTD

Single sideband generator based on optical delay line

The present invention provides a single sideband signal generator, comprising: a modulator configured to generate a first modulated optical signal and a second modulated optical signal having the same amplitude; and the sideband suppression light circuit based on the first light delay line is used for generating a full-carrier single-side-band signal, and / or the sideband suppression light circuit based on the second light delay line is used for generating a carrier-suppressed single-side-band signal. The present invention simplifies the structure by saving half the space occupied by redundant signal electrodes, and also reduces the RF power consumption by half by removing an RF mixer. The provided single side band (SSB) signal generator has the advantages of compact structure, low cost and energy conservation. By reasonably designing the length of the optical delay line, the generator can be easily expanded to a higher frequency range on the premise of not needing extra cost.
Owner:CITY UNIVERSITY OF HONG KONG

Carrier plate referring to SMARC protocol interface

The utility model discloses a carrier plate of a reference SMARC protocol interface, which comprises an MXM3 connector, a voice modulation module, an SD interface expansion module, an HDMI interface expansion module, a network cable interface expansion module, a USB interface expansion module, a screen interface expansion module, a camera expansion module and a serial communication expansion module. The MXM3 connector is respectively connected with the voice modulation module, the SD interface extension module, the HDMI interface extension module, the USB interface extension module, the screen interface extension module, the camera extension module and the serial communication extension module. In the scheme of the utility model, the MXM3 connector is utilized to set the module compatible with the SMARC protocol, so that other interfaces are expanded in the data transmission process, and the expansibility and compatibility of the core board circuit are improved.
Owner:BEIJING DIGITAL CHINA CLOUD COMPUTING CO LTD

A port abnormal situation decision system combining video monitoring and large models

PendingCN122413227AImplement extensionsSolve the problem of not being able to identify potentially hazardous spaces in advanceVideo monitoringDecision system
This invention relates to the field of intelligent port safety management technology, and in particular to a port anomaly decision-making system combining video surveillance and a large-scale model. The system includes: a video recognition module that analyzes real-time video streams from the port area to identify changes in the status of personnel, vehicles, and equipment and generate candidate anomaly events; a data access module that acquires operational data from the port's production and equipment systems to form operational status parameters and equipment operating parameters; a risk boundary generation module that dynamically generates a two-dimensional risk area polygon model based on the operational status; a risk prediction module that constructs the future movement path of equipment and a three-dimensional risk envelope through trajectory extrapolation; a decision generation module that integrates anomaly events and risk spatial information and generates structured handling instructions through the large-scale model; and a decision verification module that performs spatial extrapolation and safety verification of the handling instructions in a digital twin environment. This invention achieves collaborative processing of anomaly identification, risk prediction, and decision verification.
Owner:ZHANJIANG PORT (GRP) CO LTD

Personal voice assistant image updating method and device, vehicle and storage medium

PendingCN121837461ANo need to modify frequentlyFix performance issuesDetails involving 3D image dataArtificial lifeComputer graphics (images)New energy
The invention discloses a personal voice assistant image updating method and device, a vehicle and a storage medium, and relates to the technical field of new energy vehicles. The method comprises the following steps: determining whether to update a personal voice assistant image; wherein the personal voice assistant image is formed by simulation based on a preset number of pre-created three-dimensional graph units; under the condition that the personal voice assistant image is determined to be updated, determining a target behavior mode corresponding to each three-dimensional graphic unit according to a current personal voice assistant state; and according to the target behavior mode corresponding to each three-dimensional graphic unit, determining a component data value corresponding to each three-dimensional graphic unit, and according to the component data value corresponding to each three-dimensional graphic unit, controlling each three-dimensional graphic unit to simulate to obtain an updated personal voice assistant image. According to the scheme, on the basis of a state driving mechanism, the image of the personal voice assistant can be instantly updated according to the state change of the personal voice assistant, and the naturalness and immersion of man-machine interaction are enhanced.
Owner:AVITA INTELLIGENT TECHNOLOGY (SHANGHAI) CO LTD

Method for assembling and adjusting spliced mirror by using multi-wavelength dynamic interferometer

ActiveCN121784966AHigh measurement accuracyImplement extensionsTelescopes
The invention relates to the technical field of assembling and adjusting of spliced mirrors, in particular to a method for assembling and adjusting a spliced mirror by using a multi-wavelength dynamic interferometer, which comprises the following steps of: image acquisition and effective area identification: sequentially measuring the spliced mirror for multiple times by using a plurality of wavelengths by the multi-wavelength dynamic interferometer, each wavelength is measured each time to obtain four four-step phase shift images; and identifying an interference fringe region and dividing each sub-mirror region by adopting a modulation degree algorithm. The co-phase condition convergence method for the spliced mirror is complete in logic, high in operability, high in anti-interference capacity, low in cost and capable of being adapted to all multi-wavelength optical interference measurement equipment needing relative height measurement, data with large deviation in the collection process is eliminated through Lissajous analysis, and the measurement accuracy is improved. And then Lissajous correction is carried out to improve the measurement precision of a single group of data, and the measurement precision of the synthetic wavelength is further improved through statistical analysis.
Owner:SHANGHAI STEM YAO OPTICAL TECH CO LTD

A method for mosaic mirror alignment using a multi-wavelength dynamic interferometer

The present application relates to the technical field of mosaic mirror installation and adjustment, in particular to a method for mosaic mirror installation and adjustment using a multi-wavelength dynamic interferometer, comprising the following steps: image acquisition and effective area identification: the multi-wavelength dynamic interferometer uses multiple wavelengths to measure the mosaic mirror multiple times in turn, and four four-step phase shift images are obtained for each wavelength each time; a modulation algorithm is used to identify the interference fringe area and divide the sub-mirror area. The present application is used for the method for the convergence of the phase condition of the mosaic mirror, which is logically complete, highly operable, highly anti-interference, low in cost, and can be adapted to all multi-wavelength optical interference measurement devices that need to measure the relative height, through the use of Lissajous analysis to remove the data with large deviation in the acquisition process, and then through Lissajous correction to improve the measurement accuracy of the single group of data, and through statistical analysis to further improve the measurement accuracy of the synthesized wavelength.
Owner:SHANGHAI STEM YAO OPTICAL TECH CO LTD

Apparatus and method for beamforming for downlink data transmission in wireless communication system

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The method comprises the following steps: a base station sends configuration information containing CSI configuration; the base station also sends (e.g., periodically) CSI-RS from all of its CSI antenna ports; the user equipment performs measurement on the received CSI-RS; upon receiving a CSI feedback indication from the base station, the user equipment computes based on the performed measurements and the received configuration to generate CSI.
Owner:SAMSUNG ELECTRONICS CO LTD

An integrated cabinet for a flywheel converter

The utility model discloses an integrated cabinet body of flywheel converter, and the cabinet body is divided into power area and control area through the partition structure, at least one pull-out box is equipped in the control area, the pull-out box is used for installing the control component and is convenient for pull-out maintenance, the partition structure includes partition frame and the baffle covered and installed on the partition frame, realizes the physical isolation of power area and control area, thereby integrates power area and control area in the same cabinet body, realizes functional isolation through the baffle at the same time, greatly reduces the overall floor area, improves single cabinet space utilization, especially suitable for the scene of higher space compactness requirement such as computer lab, energy storage power station. Through the setting of pull-out box, it is convenient to directly pull out the cabinet operation, does not need to dismount fixed bolt or removes the periphery component as a whole, and maintenance time is shortened.
Owner:GUANGDONG RUILAI HUAKONG TECHNOLOGY CO LTD

Prefabricated double-sided superimposed assembly shear wall

The application belongs to the technical field of fabricated buildings, and discloses a prefabricated double-face superimposed assembled shear wall, which comprises a first main body wall, a second main body wall and a core layer, and a first embedded connecting frame and a second embedded connecting frame are respectively fixedly embedded on the front faces of the first main body wall and the second main body wall. The positioning sleeve of the clamping assembly and the push plate is conveniently sleeved, so that in the superimposed assembly process, the expansion of the compression assembly by the push plate is realized by extrusion of a single set of push assembly, the built-in clamping assembly is pushed and clamping fixation is completed, the arrangement of exposed bolts is effectively reduced during actual clamping fixation, the integrity and flatness of the outer side face of the wall body are improved, and the strength under the cylindrical bolt connection is changed by cooperating with the reinforcing plate in the clamping assembly. The combination of the "I-shaped" clamping rod and the middle rod provides multi-directional supporting connection force during clamping, the wall body is flat and beautiful after connection, the connection is simple and stable, and the connection supporting strength is higher.
Owner:ANHUI DONGSHENG CONSTR TECH CO LTD

Display device supporting variable frame mode

ActiveCN114387923BVoltage charging time shortenedincrease brightness
The present invention relates to a display apparatus supporting a variable frame mode. The display apparatus can support a variable frame mode, and the display apparatus can include a display panel including a plurality of pixels, a data driver providing a data voltage to the plurality of pixels, a gate driver providing a gate signal to the plurality of pixels, and a controller controlling the data driver and the gate driver. At this time, when operating in the variable frame mode, the controller can control a size of a sensing initialization voltage applied to the pixels based on a value of a frame rate.
Owner:SAMSUNG DISPLAY CO LTD

An FPGA-based CAN interface expansion system and expansion method

ActiveCN121098646BImplement extensionsSolve the problem of abnormal frame lossData switching detailsTotal factory controlComputer architectureIn vehicle
The application belongs to the technical field of CAN communication of vehicle-mounted computers, and provides a CAN interface expansion system and expansion method based on FPGA, wherein the system and the host are connected through an RGMII interface, the system comprises an RGMII data monitoring processing unit, a protocol conversion unit and an AXI-CAN interface unit, the RGMII data monitoring processing unit is used for cyclically monitoring RGMII data; the protocol conversion unit is used for realizing bidirectional conversion of RGMII data and CAN format frames, and first-level cache FIFO control and management; and the AXI-CAN interface unit realizes CAN channel configuration, CAN format frame transceiving management, interrupt message management and multi-path AXI-CAN design. The application realizes multi-path CAN interface expansion based on one RGMII interface of the host, and solves the problems of high-load CAN bus and abnormal frame loss through first-level cache FIFO and second-level cache FIFO.
Owner:YANGZHOU WANFANG ELECTRONICS TECH

Relay networking method for low-power-consumption wireless communication

PendingCN122002448AImplement extensionsImprove networking efficiencyNetwork topologiesHigh level techniquesData acquisitionNetwork management
The invention discloses a relay networking method for low-power-consumption wireless communication, which adopts a layered structure and a dynamic relay selection mechanism, and comprises the following steps: S1, an upper layer adopts a base station as a main control node and is responsible for data reporting, data issuing, network management, node registration, ID distribution and global routing maintenance; s2, the middle layer is a non-low-power-consumption relay node and is responsible for regional communication relay, signal monitoring and network access coordination; and S3, the bottom layer is a low-power-consumption terminal node and is responsible for periodic heartbeat packet sending, data acquisition and network access request. According to the relay networking method for low-power-consumption wireless communication provided by the invention, the transmission distance of the low-power-consumption node can be expanded, low-cost local coverage is provided, and an efficient self-organizing network is realized.
Owner:SHANGHAI ADVANCED AVIONICS

VSC-HVDC direct current capacitor design method considering load uncertainty

The invention relates to the technical field of power electronics and direct-current power transmission, in particular to a VSC-HVDC direct-current capacitor design method considering load uncertainty, which comprises the following steps of: 1, establishing a state space model; step 2, establishing a model containing uncertain variables; step 3, stability criterion; and step 4, direct current capacitor algorithm design: by introducing load uncertainty modeling, constructing a computable robust stability criterion and combining with a systematic parameter search method, the direct current capacitor design is expanded from a fixed operation point to a load change interval, and compared with the prior art, the direct current capacitor algorithm design method has the advantages that the design efficiency is improved, and the cost is reduced. The method has obvious advantages in the aspects of applicability, calculation feasibility and engineering guidance significance, the direct current capacitor design is expanded from a fixed operation point to a load change interval by introducing load uncertainty modeling, constructing a computable robust stability criterion and combining a systematic parameter search method, and compared with the prior art, the method has the advantages that the method is simple and convenient to operate, and the cost is low. The method has obvious advantages in the aspects of applicability, calculation feasibility and engineering guiding significance.
Owner:SHANGHAI JIAOTONG UNIV

Remote sensing surface feature intelligent identification method fused with spatial analysis method

PendingCN121789061AImplement extensionsTaking into account relevanceCharacter and pattern recognitionBiological modelsFeature vectorActivation function
The invention provides a remote sensing ground feature intelligent identification method fused with a spatial analysis method. The method comprises the following steps: acquiring a remote sensing image set with the pixel size of 600 * 600; constructing a space activation function based on the input geoscience knowledge; extracting a feature map of the remote sensing image; training a suggestion box regression network, namely a front and back background analyzer, by using the feature map and the identification box; classifying ground feature categories in the suggestion box, and finely adjusting the suggestion box; and outputting a ground feature positioning result and a ground feature category. According to the remote sensing surface feature intelligent identification method fused with the spatial analysis method, a GIS spatial analysis algorithm (buffer area analysis and overlay analysis) is formed in an image-based CNN network, and filtering of background interference features is realized; and feature vector activation considering the correlation of the surrounding environment of the target and the integrity of the target is realized through a two-dimensional space activation function.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS