166 results about "Serial code" patented technology

The embodiment of the application provides a device production method, an electronic device and a system, relates to the terminal field, and can display an electronic two-dimensional code picture on the screen of the electronic device. Scanning the electronic two-dimensional code picture can read the SN number of the electronic device. The method is as follows: a first device receives an electronic two-dimensional code picture, the electronic two-dimensional code picture carries a product serial number of the first device; the first device displays the electronic two-dimensional code picture, so that the product serial number is scanned and obtained in each process before a customization information detection MC process; in the MC process, the first device restarts and enters a recovery mode; in the recovery mode, the first device restores factory settings and displays the electronic two-dimensional code picture, so that the product serial number is scanned and obtained in a packaging stage; and the first device is powered off.

The application discloses an accessory list generation method and device, equipment and medium, and relates to the technical field of computers, which comprises the following steps: obtaining an accessory bar code and a production task sheet, determining accessory information from the production task sheet, and comparing the accessory bar code with the accessory information; if the information comparison is passed, generating a serial number based on the accessory bar code, and saving the accessory bar code and the serial number to a local device; judging the accessory material type based on the serial number, if the accessory material type is non-test material, checking the serial number, if the checking is passed, generating an accessory list according to the accessory bar code and the serial number. Through the above technical scheme of the application, the material loss in the production process can be avoided, and the accuracy and traceability of the accessory list generation are improved.

This application discloses a sample identification system, sample identification method, controller, and storage medium. The method includes: if the controller can successfully identify the barcode based on at least one image containing a barcode on the outside of the sample container, it determines the sample information of the sample container based on a first identification result of the barcode; if the controller fails to successfully identify the barcode based on at least one image containing a barcode on the outside of the sample container, it identifies the serial code based on at least one image containing a serial code on the outside of the sample container, and determines the sample information of the sample container based on a second identification result of the serial code; wherein at least one image containing a barcode and / or serial code on the outside of the sample container is captured by the image acquisition device when the sample container is rotated by a rotating device.

A method of operating a LED light string includes steps of: (a) activating a control device and a plurality of LED apparatuses, (b) sequencing each of the LED apparatuses according to a voltage value generated at difference sequence positions to generate a serial number, (c) providing, by the control device, a plurality of sequence codes to the LED apparatuses, and comparing, by each LED apparatus, its own serial number with the plurality of sequence codes, (d) generating a disturbance signal, by the LED apparatus, when the LED apparatus compares the stored serial number with one of the sequence codes and a comparison result is the same to trigger the control device or the LED apparatus to record the sequence code as the sequence position of the LED lamp, and (e) completing the recording of the sequence codes corresponding to the respective serial numbers of each of the LED lamps.

The present application discloses a crowdfunding and lottery system, which comprises a server device and a database. The database stores a first commodity data including a first predetermined amount. The server device comprises a registration module, a lottery quota module, a payment statistics module, a registration module and a lottery operation module. The registration module provides a plurality of lottery members to register. The lottery quota module sets a predetermined quota number according to the first predetermined amount. The lottery quota module calculates according to the predetermined quota number, so that the first predetermined amount is divided into a plurality of second predetermined amounts. The payment statistics module provides each member to pay each second predetermined amount. The payment statistics module sequentially issues a serial number according to the payment time of each member. The registration module provides each member who pays each second predetermined amount to input a first number. Each first number is added up to generate a second number. The lottery operation module makes the second number corresponding to one of the serial numbers as a prize winner.

The application discloses a satellite remote control instruction unique identification generation method and system, and belongs to the field of space flight vehicle measurement and control communication.The method comprises the following steps: configuring the same seed value in advance at the satellite end and the ground end; when generating any remote control instruction, the ground end generates a unique identification according to the seed value and the serial number of the remote control instruction by using a specified deterministic UUID generation algorithm; after receiving the remote control instruction and analyzing the remote control sequence counter, the satellite end generates a unique identification according to the same seed value and the serial number of the remote control instruction by using the same deterministic UUID generation algorithm as the ground end; and the unique identification between the ground end and the satellite end is used to realize cross-system full-process association.The application does not increase any link bandwidth cost, can complete SHA / MD5 / HMAC calculation by occupying a small amount of computing resources, and meets the requirements of high reliability and high consistency in spaceflight.

The application relates to a cross-terminal number authentication method and system of a networked device, which comprises the following steps: receiving a number authentication request, and starting a service interface address of an encrypted mobile phone number and a timeout timestamp in response to the number authentication request; when the request duration does not exceed the timeout timestamp, generating a random key and a random business serial number based on the service interface address, combining a service provider public key to construct a request parameter data packet; converting the request parameter data packet into a two-dimensional code to parse the request parameter data packet through the operation of a user scanning the two-dimensional code, and obtaining multiple request parameters; sending a parameter verification request to an operator based on the multiple parsed request parameters, and receiving a number segment and a permutation token fed back by the operator in response to the pre-fetching number instruction when the request parameter verification request is verified by the operator, so that cross-device number authentication of a user terminal and an operator is realized, and the security of the number authentication is guaranteed through encryption and decryption of the request parameters.

The embodiment of the application discloses a WiFi data frame sending method and device, a storage medium and a WiFi device, and relates to the wireless communication field. Through a reasonable initialization process, an MCS serial number adjustment strategy based on different states and data frame types, and time rule judgment, the embodiment of the application effectively solves the problems of low transmission correctness, large channel capacity fluctuation and slow rate recovery after interference disappearance caused by burst interference in the background technology, and improves the performance and stability of the wireless communication system.

The application relates to the technical field of Internet of Vehicles, and discloses a car-machine multi-screen cooperative display and interaction method, which comprises the following steps: maintaining a global session and a member view through a centralized session arranger, realizing session access and dynamic member management of multi-screen devices, and determining multi-screen related parameters; constructing a full-order execution rule based on a logical clock, the multi-screen related parameters and an operation identifier, and assigning a global serial number to each multi-screen operation; obtaining a focus of an operation request, and determining feedback parameters through a soft lock and a priority preemption strategy; periodically hashing and checking based on a shadow state and a domain Merkle tree, positioning state differences according to the feedback parameters, and performing incremental repair through an incremental patch; and adopting WebRTC layered coding and a weighted bandwidth allocation strategy, preferentially guaranteeing control signaling and a main driving screen experience, and dynamically adapting in a bandwidth-limited scene. The application can solve the problems of multi-screen interaction inconsistency and insufficient real-time performance, thereby improving the multi-screen cooperative experience in a vehicle.

Embodiments of the present application disclose a block synchronization method, device, equipment, storage medium and product. The method comprises: obtaining a target block height of a to-be-synchronized block; obtaining M candidate blocks with the target block height from different block chain nodes, each candidate block comprising N block information, and each block information corresponding to a different serial number; selecting k block information with different serial numbers from the M candidate blocks to converge into a block information group, different block information in the block information group being from different candidate blocks; performing recovery processing on the block information in the block information group; and if the block is successfully recovered, synchronizing the recovered block. It can be seen that the to-be-synchronized block is recovered by obtaining part of the block information of the to-be-synchronized block from different block chain nodes, thereby improving the synchronization efficiency of the block under the premise of ensuring the reliability of the synchronized block.

This application belongs to the field of data processing technology, specifically involving an integrated traceability method for language learning and practice results across multiple platforms. The method includes: acquiring learning behavior data from multiple platforms; standardizing and converting the multi-platform learning behavior data and writing a unified event serial number to generate a unified learning record; writing user identifiers, timestamps, record summary values, and previous record summary values ​​into the unified learning record to generate a chained record sequence; storing the chained record sequence in a storage network, and generating a restricted access copy and an integrity verification copy when the sharing request is verified; performing behavior fragment coverage checks and supplementary collection based on the integrity verification copy to generate a complete set of learning behaviors; and integrating the complete set of learning behaviors across platforms to generate a learning trajectory archive. This application can balance record reliability, sharing controllability, and trajectory integrity.

The application provides a query method, a query device, a processor and a query system. The method comprises the following steps: sorting query data of a plurality of data sources to obtain a plurality of serial number groups corresponding to the data sources one by one, wherein the serial numbers of the serial number groups correspond to the query data one by one; determining a starting index number of a target query page, wherein one query page displays a first predetermined number of query data, the target query page is any query page, the starting index number corresponds to the last query data of each data source in the last query page, and the starting index number corresponds to the data sources one by one; obtaining candidate data of each data source, wherein the candidate data is a second predetermined number of query data after the starting index number; performing aggregate sorting on the candidate data of each data source to obtain a sorting result; and determining the current first predetermined number of query data as a query result and displaying the query result on the target query page, thereby solving the problem of excessive data processing amount in the prior art query method.

The application discloses a kind of control method and device of truck platoon. Among them, the method comprises: after generating platoon control data packet by pilot vehicle, platoon control data packet is sent to following vehicle through main link and redundant link in parallel;After following vehicle receives platoon control data packet sent in any one link of main link and redundant link, the current serial number received by following vehicle is extracted;When the current serial number is greater than the maximum serial number recorded in local buffer, the target platoon control instruction of truck platoon is generated based on the platoon control data packet corresponding to the current serial number;According to target platoon control instruction, following vehicle is controlled.The application solves the technical problem that truck platoon communication system in related art relies on single V2X link for control instruction transmission, which has low reliability caused by physical layer shielding or logical layer perception lag in actual application scenarios.

The application discloses a multi-link intelligent switching method, which comprises the following steps: starting link state monitoring through a server, periodically starting an adaptive learning mechanism after being online on a wireless link; periodically sending a probe message through each wireless link, and a client replying a response message carrying a request serial number, a client unique identifier and corresponding link index information; introducing a multi-dimensional weighted scoring mechanism to calculate the comprehensive scores of each link and sort them based on the information reported by the client and comprehensive scoring weights; selecting the link with the highest score as a primary link; when the comprehensive score of a standby link is higher than that of the current primary link, or when the primary link is not responded within a timeout period, triggering link switching to the standby link with the highest score, sending a switching instruction through a link notification mechanism, and executing switching by the client and feeding back a confirmation; after learning is completed, adjusting the comprehensive scoring weights according to the adaptive learning result, and updating the adjusted comprehensive scoring weights to link scoring calculation.

This invention relates to the field of optical lens production traceability technology, specifically a method for full-process version-based traceability of diffractive lenses. The method includes: after the diffractive lens product design stage is completed, assigning a globally unique product serial number to the design file; during the master mold manufacturing stage, retrieving the corresponding design file based on the serial number to generate and bind a master mold processing instruction set, generating a master mold data version identifier with creation time; during the replication production stage, retrieving the master mold version identifier based on the serial number, matching it with the corresponding physical master mold to generate and bind an adapted replication process parameter set, generating a replication process version identifier with creation time; and during the finished product testing stage, collecting measured performance data to form an acceptance report and binding it to the serial number, generating an acceptance data version identifier with creation time. This method achieves the binding and version-based identification retention of data at each stage of the diffractive lens production process with the product serial number.

This application relates to the field of computer peripheral communication and automated testing technology, and discloses a method for plug-and-play verification of Android device serial numbers on a Windows platform. The method includes the following steps: calling kernel interfaces to construct a device information set, configuring filtering parameters to ignore functional attributes, thereby including device nodes without installed drivers; performing generalized matching on device instance paths based on a manufacturer identifier whitelist to identify the target device; using a multi-level cleaning rule engine to remove operating system-added interface masks and topology suffixes from the path to accurately restore the device serial number; and introducing a truncated binary exponential backoff algorithm to eliminate timing races between physical connection and logical readiness through dynamic delay retries. This invention effectively solves the identification problem of Android devices in multiple modes, achieving accurate SN acquisition and fault-tolerant control without driver dependency.

Provided are system and method for encrypted communication. First sub-terminal transmits user data of current user to second sub-terminal to generate first key, and generates user public-private key pair according to public key algorithm; second sub-terminal transmits user public key to data processing server, and performs segmentation, splicing, and encryption processing on requests based on service serial number and first key; data processing server, after receiving processed messages of all users in first group, performs merging computation and decryption, restores requests according to service serial number and sends it, and receives response messages; each response message is encrypted using user public key corresponding to service serial number and is stored; second sub-terminal sends query request, obtains all encrypted response messages, attempts decryption using user private key, and determines corresponding response messages based on successfully decrypted messages.

The application discloses a kind of light security communication method and system for agricultural perception node.The method includes that 256-bit static master key is preset in the bottom layer security storage area of perception node and heterogeneous convergence gateway, and the unique hardware serial number is read as node identification;Synchronous acquisition environmental data and visual feature data, splice into long payload plaintext;Derive dynamic session key, use dynamic session key to drive stream cipher to encrypt long payload plaintext, static master key drives block cipher to encrypt short header, and encapsulates into data frame;Data frame is sent through wireless channel, and heterogeneous convergence gateway receives and reversely decrypts short header to extract dynamic anti-fake factor, and replay attack verification is carried out;After verification, dynamic session key is reconstructed to restore data and uploaded to cloud data management server.The application also discloses a system using the above light security communication method for agricultural perception node, realizes the high security node legitimacy authentication and anti-replay attack under limited hardware computing power.

In some implementations, the techniques described herein relate to a method including: receiving, at an optical line terminal (OLT), a registration request from an optical network unit (ONU); computing an activation fingerprint based on timing values captured during activation of the ONU; receiving an activation digest computed using the activation fingerprint and a privately maintained digest key; storing the activation digest; receiving, during a subsequent activation attempt, the digest key used to compute the stored activation digest; and determining whether the ONU is authorized by comparing the stored activation digest with a verification digest computed using the stored activation fingerprint and the received digest key.

The application relates to the technical field of digital evidence storage, and relates to a digital script evidence storage method and system based on artificial intelligence and a block chain, which comprises the following steps: confirming a digital script evidence storage environment based on a digital script evidence storage instruction; using an artificial intelligence generation unit to perform text expansion and logic generation on script description information; performing semantic segmentation and structure analysis on the digital script to be stored based on a language model unit; performing cascade mapping on a multi-dimensional semantic feature vector and an original text hash value; structurally packaging a composite verification identifier, a current timestamp, a creation subject identifier and a version serial number; establishing a version chain based on a confirmation result, a version serial number and a block height; and performing script verification based on the version chain. The application can improve the reliability, accuracy and traceability of digital script evidence storage.

A cutting tool includes: a cutting section having a cutting edge; a sensor provided in the cutting section; and a communication unit provided in the cutting section. The communication unit transmits, to a processing device provided outside the cutting tool, measurement information relating to measurement results of the sensor and including serial numbers corresponding to the measurement results after a timing of a start of cutting by the cutting edge.

Embodiments of the present application provide a data query method, device and equipment. The method comprises: obtaining a query request, the query request comprising at least one first business serial number, an identifier of at least one first query table and at least one first element corresponding to each first query table; obtaining a correspondence between a query table and a column table, the column table comprising at least one element and at least one piece of business information corresponding to each element; determining a query result corresponding to the query request according to the query request and the correspondence, the query result comprising the at least one first business serial number and business data corresponding to each first business serial number. The efficiency of data query is improved while timeliness is ensured.

A high-speed matrix computation circuit, relating to electronic technology. The present invention comprises M+N-1 addition modules and a predetermined number of macro computation modules. Each macro computation module comprises M row lines and N column lines which are equivalently and orthogonally arranged. Multipliers are arranged at intersections of the row lines and the column lines to form a multiplier array composed of M x N multipliers. A first input terminal of each multiplier is connected to the row line in which the multiplier is located, and a second input terminal thereof is connected to the column line in which the multiplier is located. M and N are predetermined natural numbers. U[M-x][N-y] is used to represent a multiplier at each position, and x and y are both integers and satisfy the following conditions: 0≤x≤M-1, and 0≤y≤N-1. Among the macro computation modules, an output terminal of a multiplier satisfying x+y=S is connected to an input terminal of an addition module having a serial number S. On the basis of serial numbers, output terminals of the addition modules are connected to different bit weight input terminals of a bit weight addition circuit in a one-to-one correspondence. The present invention greatly reduces the amount of digital computation.

The application relates to the technical field of data management, and discloses a data processing method and system for multi-factor authentication and block chain storage, which comprises the following modules: an identity authentication module for multi-factor identity verification, writing the verification result and an authentication serial number into an authorization voucher; an authorization contract module for generating a block chain authorization contract according to user authorization and setting a state version number; a government affair data access module for reading government affair data through a government affair network integrated public data platform and adding a request signature generated based on an SM3 algorithm into the request; a block chain storage module for storing the authorization voucher and a call log in the same rule, generating an authorization digest, a call log and a log digest; a consistency checking module for matching the authorization voucher and the call log; and a user authority management module for displaying an authorization state and executing a modification or revocation operation. The application realizes trusted verification and dynamic management and control of the whole authorization process, and improves the security of data sharing.

The application discloses a cyanide-free process circuit board quality tracing method and system based on artificial intelligence, and particularly relates to the field of circuit board quality tracing, and comprises the following steps: writing a board part identifier, a hanger identifier and a process serial number into a circuit board entering a cyanide-free process production line, extracting fixed pixel points and fixed electrical measurement points in a side strip area, and corresponding to key processes to output an observation index table; the application continuously collects fixed observation positions of the same circuit board based on edge computing at the outlets of the key processes, forms process records, and then performs continuous comparison, abnormal connection determination and same-hanger merging early warning on the front and rear process records according to the same observation positions, so as to solve the problem that it is difficult to accurately trace the real generation position of defects of the cyanide-free process circuit board.

This application discloses a method, device, and storage medium for serial number recognition, relating to the field of image recognition technology. The method acquires a serial number image, inputs it into a convolutional neural network (CNN), and uses the CNN to increase the dimensionality of the image's channels to obtain a feature map. The feature map is then input into a bidirectional long short-term memory (LSTM) network to determine the corresponding bidirectional temporal feature sequence. This bidirectional temporal feature sequence is then input into a linear mapping layer to determine the prediction score for each character category. Based on the prediction score, the corresponding serial number character is determined. This method can adapt to variations in the format and length of different serial number types, thereby improving the generalization ability of serial number recognition.

This invention discloses a serial number generation method and apparatus. The method includes: acquiring a user's business request, the business request indicating the user's intention to process a business; generating calling parameters for a business system based on the business request; and calling a preset database of the business system using the calling parameters and returning a target serial number. The preset database includes at least one of a serial number recycling table, a serial number pre-stored table, and a serial number registry. The business meaning of the target serial number matches the business request. Therefore, implementing this invention can generate corresponding calling parameters based on the user's business request, thereby calling the preset database and returning a target serial number matching the business request. This improves the practicality of the serial number generation by the business system, thus enhancing the business service level of the system; it also enhances the serial number management capabilities of the business system, making the system more intelligent and improving the user experience.

The application discloses an electronic component management system with serial number tracking, and relates to the technical field of electronic component management.The system comprises a serial number identification generation module, a response data acquisition module, a defect candidate area positioning module, a defect type determination module, a risk assessment module and a traceability management module.The quality of components is classified into A-grade superior products, B-grade qualified products, C-grade degraded products and D-grade unqualified products according to risk indicators, so that fine quality classification is realized.The serial number of a component is bound to the serial number of a complete machine, so that when the complete machine fails, the associated component list can be reversely inquired, and the detection data and risk assessment results of each component can be called up, the possible problem source is quickly located in descending order of risk indicators, and a batch early warning mechanism is designed, so that when the abnormal proportion of components in the same batch exceeds a preset threshold, early warning is automatically triggered, and the risk prevention and control efficiency is improved.

The application belongs to the technical field of computer software and information security, and particularly relates to a pseudo-random dictionary generation and distribution method and system based on index mapping. The method comprises the following steps: obtaining a character dictionary and a target string length to obtain an initial character sequence; randomly rearranging the initial character sequence to generate a disordered character dictionary; calculating a total combination space of the string according to the disordered character dictionary and a character repetition constraint condition; mapping a numerical index into a target string on demand based on the total combination space of the string through a pseudo-random dictionary mapping method; grouping the numerical index to form a serial number pool, and persistently storing the index sequence in each serial number pool after randomly disturbing the index sequence; and taking out an actual index value from the current serial number pool according to a distribution cursor during the running period, converting the actual index value into a final string result through a mapping method, and outputting the final string result. The application realizes the unique generation and safe distribution of the string through the index mapping and double disordering mechanism, avoids the running period repetition verification, and prevents the number from being speculated.

This invention discloses a method and system for printing duplicate product serial numbers, relating to the field of industrial automation technology. The method includes: a host computer responding to a trigger signal from the automatic loading / unloading module of the production line and initiating a real-time request to a serial number management server; the server dynamically generating serial numbers and immediately marking them as "assigned" in the database to ensure uniqueness from the source; and the host computer converting the serial numbers into private instructions for the inkjet printer via a dedicated protocol conversion module and driving the printing. The system includes an automatic loading / unloading module, an inkjet printing module, a host computer, and a serial number management server. This invention, through the coordinated action of event-driven triggering, real-time server-side processing, and host computer protocol conversion, achieves automated printing synchronized with the production cycle, as well as seamless integration between the IT system and OT equipment, solving the problems of duplicate codes and traceability in printing.