41results about How to "Join flexible" patented technology

The invention discloses a commodity tracing method and system based on blockchains. The method includes: a plurality of equivalent service nodes form a decentralized service network used for recordinga detailed process of circulation of commodity tracing codes as block data; and production enterprises, and dealers and retailers at all levels are regarded as different categories of user nodes connected to a service platform, tracing code data related thereof is obtained and saved, and related business operations are performed. Each commodity is endowed with a unique commodity tracing code, when the commodity is circulated between the dealers, the tracing code data is circulated between the user nodes of the dealers, the circulation process of the commodity tracing codes is traced, and thetracking of the commodity circulation process is accomplished. The system is used for implementing the method. The method and the system are advantageous in that the principle is simple, the operationis simple, and the problem of commodity tracing can be basically solved.

The invention discloses a multi-person voice video call method based on WebRTC, and the method comprises the following steps: enabling users to send multiple call requests at the same time through specifying connection room number Room IDs and room sizes; finally achieving the multi-person voice video call through the building of P2P connection between each two users. A communication mechanism based on WebRTC enables a system to be flexible in operation, to be quick in response and to be low in delay. A series of signal exchange and SDP negotiation is needed in the P2P connection building process. Faced with a complex network environment, the mature NAT penetrating technology can enable the users in different local area networks to communicate with each other directly. Based on the development of an Android platform, the method can be applied to various types of mobile equipment more widely, improves the applicability and flexibility, and is suitable for a small-scale multi-person voice video call.

The invention discloses an Emin view mobile commercial platform system which comprises a smart phone terminal, a cloud server and an external management device. The smart phone terminal completes data entry and data operation result show, and interacts with the cloud server through an internet. The internet is a wireless network. The cloud server centralizes a variety of resources, can provide the complex operations and business processing of cloud computing, cloud storing, enterprise-level mobile application and the like, and outputs results to the external management device though the internet. The Emin view mobile commercial platform system has the advantages of being capable of being added into or removed from a platform flexibly and capable of sharing the services of a safety certificate, authorization, a communication protocol, data storage, user interface (UI) generation and management and the like which are provided by the platform, utilizing the facts that a mobile pone has the characteristics of being portable, being capable of being located and having plenty of sensors to bring great convenience to submit, process, inquire and manage business applied data, and being capable of achieving real-time processing for the data so as to greatly improve processing efficiency.

The invention provides an SSL/TLS protocol plaintext data acquisition method based on a mirror image flow, comprising the following steps: (1) receiving SSL/TLS data packets of mirror images, extracting records in the data packets, generating a plurality of complete records, and putting the records in a record queue; (2) extracting a plurality of complete messages from the records in the record queue, and putting the messages in a message queue; and (3) analyzing the messages in the message queue to get plaintext data. According to the method of the invention, the data packets are spliced into complete records according to the package format of an SSL/TLS protocol, and complete single messages are extracted and processed. There is no need for a server to synthesize multiple messages into one record or package a single message into multiple records. New messages needing analysis can be selected and added flexibly. The method is of good scalability. Plaintext data is obtained by processing image data of a switch without interfering with the original service of the system or affecting the system performance.

The invention relates to a group data managing method based on PoC and relative system. Wherein, it mainly comprises: first, storing the data management rule of said group in the group data server, while said rule records the priority information of user terminal that modifying the group data; then, when the user terminal sends information that operating on the group data of group data server, the group data server, according to the data management rule and the operation sent by user terminal, operates the group data. With said invention, the group data management rule can be defined by the Owner of group, to be stored in group data server; then other common members can modify the group character limited by said rule, to realize the operation that adding or leaving the group.

The invention provides a novel weaving concept of functional non-woven fabrics and a method thereof. Common natural staple fibers are combed into a net through air current or polymer fibers are melted and extruded into a net; the fiber net, after prewet out in a parallel laying or folding laying way, is in a spun-laced way consolidated and dried, then further consolidated by chemical adhesion or thermal adhesion. The functional particle of the fiber net can be added flexibly, and is suitable for multi-product production; the invention has simple technology, requires no dramatic alteration to the present equipment and can obviously improve weaving performance and improve weaving efficiency.

The present invention belongs to the technical field of the internet of things, and discloses a system and a method for device safety access of a digital home network. A device authenticator is configured to perform safety authentication of all the devices. The device authenticator is added when the digital home network is constructed to perform safety authentication of all the devices. The deviceauthenticator comprises a control point and a sensor device, the control point is taken as a device for safety access to prevent from malicious access of an external device; a two-factor authentication method, the authentication of a control node is changed to authentication of an authentication server, and the device authentication server taken as a new UPuP device is introduced and called UPServer so as to change the authentication and registration flow of the device.

The invention discloses a face recognition method based on knowledge federation, and relates to the technical field of computers. The method comprises the following steps: training a face recognitionmodel based on an obtained face data set, generating a face recognition gradient ciphertext through encryption according to an obtained face recognition model gradient, and sending the face recognition gradient ciphertext to a third-party terminal, so that the face recognition gradient ciphertext is subjected to decryption, knowledge federation and encryption to obtain a federation model parameterciphertext; and continuing to train the face recognition model based on the federated model parameters obtained by decryption, and performing face recognition according to the trained face recognition model. According to the method, it is guaranteed that original data do not leave the local, data privacy can be effectively protected, and the face recognition model obtained through federation training is high in universality and suitable for service scenes of mechanism terminals in different fields. The invention further discloses a face recognition device based on knowledge federation, electronic equipment, a storage medium and a system. The scale of the mechanism terminal in the system is not limited, and joining or quitting can be flexibly selected.

The invention provides a perovskite nano material, a preparation method thereof and a photoelectric device containing the perovskite nano material. The preparation method comprises the following stepsof carrying out a first coordination reaction on lead carboxylate, cesium carboxylate, a metal halide and a non-polar solvent to obtain a first solution containing perovskite quantum dots, and carrying out a second coordination reaction on the first solution and ammonium halide in a nitrogen and/or inert atmosphere to obtain the perovskite nano material. As ammonium ions are only combined with halogen, ammonium halide has surface selectivity on the surfaces of the quantum dots, and the prepared perovskite nano material has the advantages of narrow fluorescence peak and the like. Compared witha traditional synthesis method, the preparation method also has the advantages of adjustable reaction process, flexible addition of reaction raw materials, simple synthesis method, good experimentalrepeatability and the like.

The invention relates to an optical fiber repeater system using a wavelength division multiplexing technology. The system comprises a near-end machine, a far-end machine and a single-core optical fiber, the near-end machine comprises a near-end wavelength division multiplexing communication subsystem, the far-end machine comprises a far-end wavelength division multiplexing communication subsystem,and the near-end wavelength division multiplexing communication subsystem is connected with the far-end wavelength division multiplexing communication subsystem through the single-core optical fiber.Compared with the prior art, the method has the advantages of high flexibility, low cost and the like.

The invention provides a circuit and a method for flexibly setting delay time between instructions in a CPU (Central Processing Unit), which comprises the following specific steps of: adding a CPU configuration register configuration instruction at a program position between the instructions needing to be inserted with a time interval, and setting the delay time; when the CPU executes the CPU configuration register configuration instruction, configuration information is written into a configuration register corresponding to the CPU configuration register configuration instruction, and the configuration register sends a pause request to the existing external debugging control circuit to trigger the CPU to enter an idle state mechanism; when the CPU is in an idle state, the countdown timer enters a countdown working state; and monitoring the decline value of the countdown timer in each cycle, when the countdown timer is reduced to 0, sending an operation request to the existing external debugging control circuit, quitting the CPU from the idle state, and starting to continuously execute the subsequent program by the CPU. The invention discloses a circuit and a method which are used in an embedded CPU (Central Processing Unit) and are used for flexibly adding any specified delay interval between any two instructions as required.