135results about How to "Limit quantity" patented technology

The invention discloses an equipment access method, an equipment access point and an equipment access device. The equipment access method comprises the steps of generating a broadcasting frame through the equipment access point, wherein the broadcasting frame comprises characteristic identification of the equipment access device, and sending the broadcasting frame through the equipment access point so that the broadcasting frame can be received and the equipment access device corresponding to the characteristic identification in the broadcasting frame is accessed into the equipment access point. According to the equipment access method, the equipment access point and the equipment access device, the problem that a large number of conflicts are generated when a large number of terminals are simultaneously accessed into the network, and the terminals can be smoothly accessed into the network.

The invention discloses a copyright protection system of ebook online reading. The system comprises at least one server and a plurality of clients, wherein the server contains an ebook database, an encryption module, a decryption module, a user information verification module, a user right setting module, a user client authorization module and a right monitoring module; the right monitoring module is used to monitor whether the client of the user has the reading right; after the client set by the user obtains a special authorization, the right monitoring module utilizes the decryption module to decrypt the encrypted ebook and allows the user to read the ebook through the client; and if the user does not have the reading right, the client of the user can not be allowed to read. By adopting the system and method of ebook online reading provided by the invention, ebook online reading can be realized and the number of reading clients can be effectively limited. The system of the invention integrates various functions such as account log-in, data communication, ebook download, implementation of ebook DRM copyright protection strategy and ebook reading.

The invention discloses a wireless safety authentication method orienting to a mobile terminal. The traditional mobile terminal is lower in both computing power and safety. According to the invention, a Diffie-Hellman safety key exchange algorithm, a digital certificate technology and a DES (Data Encryption Standard) symmetric cryptographic algorithm are used, and a local certificate authentication technology, a secondary logon technology and a timestamp technology are combined. The wireless safety authentication method comprises the steps of: firstly, registering by the mobile terminal for the first time; and then, performing local authentication on a user identity certificate and logging on an authentication server by the mobile terminal, thereby realizing the functions of registering in and logging on the authentication server by the mobile terminal in a wireless network. The wireless safety authentication method has the advantages of strong safety, simpleness in oerpation and the like and provides a new reliable method for access intranet resources by the mobile terminal.

The invention discloses a video streaming control system of a multi-screen processor cascading extended system, which is characterized in that video data streams are respectively packed into n micro transmission units; the micro transmission units are mixed to transmit; and micro packets are only required to be extracted at a receiving end and then are combined to obtain respective video after being decoded. Thus, multiple video groups can be transmitted in a transmission link, that is, a transmission channel can be provided with multiple windows on a large screen. Compared with a traditional cascading transmission mode, the video streaming control system can provide more functions and wider upside potential, and has good transmission data integrity.

The invention provides a method and a device for replacing data in a caching module. The method comprises the following steps: receiving a new data block or writing information of the new data block into the caching module; selecting a caching block as a preparatory replacing block from the caching module according to the quota in the condition that the whole space of the caching module is full, wherein the caching block is the data block stored in the caching module; and replacing the preparatory replacing block by the new data block. According to the method and the device for replacing the data in the caching module, one caching module is selected as the preparatory replacing block from the caching module according to the quota, so that the quantity of the caching blocks (in the caching module) of a mirror image or a virtual machine can be limited, and the space of the caching module is prevented from being greatly occupied by the highly active mirror image or virtual machine, and as a result, the problem that the caching spaces of the mirror images or virtual machines with different active levels are not balanced can be solved.

The invention discloses an SDN-based space-space-ground controller deployment architecture and a control method, the controller architecture comprises three network segments of a space-based network,a space-based network and a foundation network, and the space-based network realizes controller dynamic deployment on an unmanned aerial vehicle; introducing an upper SDN controller to the top of eachnetwork segment controller; wherein the SDN network architecture of the upper SDN controller comprises an infrastructure layer, a network control layer and an application layer from bottom to top; the network control layer is used for collecting and maintaining a global topological structure, a link state and flow state information, issuing a control message, introducing an SDN architecture, decoupling a data plane and a control plane, providing a unified programming interface, and configuring and managing nodes in a network in a unified manner. According to the invention, multiple optimization objectives of minimizing the propagation time delay between the switch and the controller and improving the load balance degree of the controller are realized.

The embodiment of the invention provides a method, a device and a system for diagnosing whether nodes are normal or abnormal, and belongs to the communication field. The method comprises the following steps of: sending a diagnosis message with a message identifier to be detected; judging whether a confirmation message which corresponds to the diagnosis message and is sent by the nodes is received; and judging out the nodes are normal nodes in the condition that the conformation message is received; otherwise, judging out the nodes are abnormal nodes. The embodiment of the invention also provides a device for diagnosing whether nodes are normal or abnormal, an intermediate node device and a system for diagnosing whether nodes are normal or abnormal. The method, the device and the system have the advantages of diagnosing the nodes to be normal or abnormal nodes.

The invention discloses a PBFT consensus propagation optimization method based on a dynamic reputation value, and relates to the technical field of Internet of Things based on a blockchain. The PBFT consensus propagation optimization method comprises the following steps of: firstly, calculating comprehensive reputation values of gateway nodes; secondly, electing a pre-selected main node accordingto the comprehensive reputation values of the gateway nodes; thirdly, solving a PoW problem through competition by means of the pre-selected main node which becomes a main node, and creating a verification committee in an ad hoc network mode by broadcasting to the whole network; and finally, enabling member nodes in the committee to take part of the reputation values higher than a reward reputation value as stock rights to participate in a PBFT consistency protocol. According to the PBFT consensus propagation optimization method based on the dynamic reputation value, the performance of the consensus propagation verification process in the Internet of Things system based on the blockchain is improved, the nodes can be stimulated to actively participate in block verification, the block synchronization time is shortened, malicious nodes are prevented from counterfeiting transactions, the network security risk is reduced, and the security of the Internet of Things system is improved.

The embodiment of the invention provides an audio / video stream transmission method and device, and an audio / video stream display system. The transmission method comprises the steps of: receiving a conference command of a depending-on-the-Internet video conference sent by a webpage management server; binding a transmitted multi-path audio / video stream to a corresponding screen channel according tothe conference command; and transmitting the multi-path audio / video stream to a corresponding browser multi-frame screen through a COM module for display. In the depending-on-the-Internet video conference, according to the conference command, the audio / video stream can be effectively controlled to be output the corresponding multi-frame screen of the browser according to the corresponding screen channel for display. The audio / video stream transmission method and device, and the audio / video stream display system can effectively control the input and the output of the depending-on-the-Internet conference audio / video stream so as to solve the problem that the number of conference devices used in the conference is restricted when a current multi-frame screen is used for display and improve theuser experience of the depending-on-the-Internet video conference.

The invention discloses a text error correction method and device, and relates to the technical field of artificial intelligence. The specific implementation scheme is that the method comprises the steps: obtaining a to-be-corrected text and a field to which the text belongs, wherein the text comprises at least one word; for each word in the text, querying a recall word list of the domain according to the word, and judging whether a to-be-corrected word matched with the word exists or not, wherein the recall word list comprises a corresponding relation between the to-be-corrected word and a domain keyword; when the to-be-corrected word matched with the word exists in the recall word list, determining a domain keyword corresponding to the matched to-be-corrected word as a candidate word corresponding to the word; and in combination with the candidate words corresponding to the words in the text, performing error correction processing on the text to obtain an error-corrected text. According to the method, the number of recalled candidate words can be greatly limited, and the text error correction efficiency is improved.

The invention discloses a method for limiting the number of login terminals of the same user account. The method comprises the following steps: sending login request information to a WEB server by a first terminal, wherein the login request information contains a user ID and a first terminal ID; calling login limiting information corresponding to the user ID from a Redis database by the WEB server, wherein the login limiting information contains all second terminal IDs corresponding to the user ID and a login condition; calling all current login information of the user ID from the Redis database; judging whether the user ID and the first terminal ID satisfy the login condition according to the login information, and if not, extracting a login time from the login information, and comparing the login time with the current time; and judging whether the login time exceeds a preset time threshold, if not, judging whether the number of the current login second terminals of the user ID reaches a preset login number threshold, and if so, sending a prompt message of limiting the login of the user ID to the first terminal according to the first terminal ID.

The invention discloses a system for limiting the number of login terminals of the same user account. The system comprises a first terminal and a WEB server; the first terminal sends login request information to the WEB server; the WEB server comprises a first call module, a second call module, a processing module, a first judging module, a second judging module and a sending module; the first call module calls login limiting information corresponding to a user ID; the second call module call current login information of the user ID; the processing module judges whether the user ID and the ID of the first terminal satisfy a login condition according to the login information, if not, extracts a login time from the login information and compares the login time with the current time; the first judging module is used for judging whether the login time exceeds a preset time threshold; the second judging module is used for judging whether the number of second terminals where the user ID logs in at present exceeds a preset login number threshold; and the sending module is used for sending user ID login limiting information according to the ID of the first terminal.

Thermochemical production of hydrogen from water, based on cerium-chlorine cycle, comprises: a first reaction comprising reducing chlorine, chlorinating cerium oxide and oxidizing cerium chloride; and a second reaction comprising reducing chlorine, chlorinating cerium oxide, oxidizing cerium chloride and oxidizing cerium oxychloride. Thermochemical production of hydrogen from water, based on cerium-chlorine cycle, comprises: a first reaction (comprising: reducing chlorine by reacting water (1 mol) and chlorine (1 mol) to give hydrochloric acid (2 mol) and oxygen (0.5 mol); chlorinating cerium oxide by reacting hydrochloric acid (8 mol) and cerium oxide (2 mol) to give cerium chloride (2 mol), chlorine (1 mol) and water (4 mol); and oxidizing cerium chloride by reacting cerium chloride (2 mol) and water (4 mol) to give cerium oxide (2 mol), hydrochloric acid (6 mol) and hydrogen (1 mol)); and a second reaction (comprising: reducing chlorine by reacting water (1 mol) and chlorine (1 mol) to give hydrochloric acid (2 mol) and oxygen (0.5 mol); chlorinating cerium oxide by reacting hydrochloric acid (8 mol) and cerium oxide (2 mol) to give cerium chloride (2 mol), chlorine (1 mol) and water (4 mol); and oxidizing cerium chloride by reacting cerium chloride (2 mol) and water (2 mol) to give cerium oxychloride (2 mol) and hydrochloric acid (4 mol); and reacting cerium oxychloride (2 mol) and water (2 mol) to give cerium oxide (2 mol), hydrochloric acid (2 mol) and hydrogen (1 mol)), where the chlorination of cerium oxide is carried out in liquid phase by passing the cerium chloride in solution.

The invention discloses a system and a method for repeatedly capturing microspheres based on pulsed laser. Left optical fiber is connected to the input side of a left optical coupler, the output sideof the left optical coupler is connected through left fused optical fiber, the left fused optical fiber is fused with a capillary, the capillary is fused with right fused optical fiber, the right fused optical fiber is connected with the output side of a right optical coupler, and the input side of the right optical coupler is connected with right optical fiber. Left continuous laser and right continuous laser are simultaneously oppositely emitted into the capillary to form an optical trap trapping region. The left pulse laser and the right pulse laser act on microspheres, and the power of theright pulse laser is adjusted, so the the left pulse laser and the right pulse laser act on the microspheres at the same time, and the microspheres bounce off the original position and move to the inside of the optical trap capture region, so the stable capture of the microspheres can be realized. According to the method, the microspheres are separated from the surface of a microcavity by the pulse laser and enter the optical trap trapping region, so the the branching and trapping of the microspheres can be realized, the repeated trapping of single particles can be realized, repeated loadingof the particles is not needed, and the system can be applied to environments such as air, vacuum and the like.

An air-conditioning system (2, 102)is provided for an automobile comprising an interior air-conditioning module (38, 138), which can be connected in a heat-transporting manner to at least two coolant-carrying cooling circuits of the automobile via valves (32, 52, 132, 152)(e.g., controllable or adjustable valves). A controller (64, 164) is also provided that is configured to control the valves (32, 52, 132, 152)in such a manner that those cooling circuits (4, 6, 104, 106)having the higher coolant temperature can be connected in a heat-transporting manner to the interior air-conditioning module. A method is also provided for operating an air-conditioning system (2, 102).

A caliper assembly for a service and parking disc brake (1) comprising a service caliper body (2) placed astride a disc for a disc brake having a first and second elongated element on the vehicle side (4), a first service pad (8) to abut it against a first braking surface of the disc and exercise a service braking action on the vehicle, said first elongated element (4) comprising a first abutment and guide pin (16) of the first pad (8) to guide it and receive the braking action of the vehicle, a parking caliper (17) comprising separate thrust means (20) of the parking caliper and for abutting at least a third parking pad (21) against the first braking surface of the disc, said parking caliper (17) has a connection (18) for supporting and connecting at least partially said parking caliper (17) to said service caliper body (2), said connection (18) of the parking caliper (17); to the service caliper body (2) comprises a first blocking screw (19) positioned coaxially to said first support and guide pin (16) of the first service pad (8).

The invention discloses an automatic software updating and pushing method based on a domestic CPU and operating system, belongs to a software updating method of a domestic client side hardware platform, and solves the problems of high failure rate, many problems, frequent updating and no mature automatic updating tool in a domestic hardware platform environment. The technical scheme is as follows:a system structure including a client side and a server side is adopted; the server side is used for publishing an updating strategy and a software updating packet; the client side is used for downloading and updating the software updating packet; the server side integrates a communication service program, a downloading service program, a web service program and a software updating strategy file;the client side integrates a communication service program and a downloading service program; the communication service program of the client side is used for communicating with the server side to obtain information of the software updating packet needing to be updated; furthermore, the software updating packet needing to be updated and the software updating strategy file are downloaded through the downloading service program of the client side; and, after downloading is completed, the client side performs updating installation of the software updating packet.

The embodiment of the invention relates to the technical field of IT application, and discloses a network topological graph drawing method. According to the invention, the method comprises the steps of carrying out node analysis on a topology data set to generate a node control parameter set; generating a link type legend set according to the link type of the topological data set, analyzing a linkconnection relationship between nodes in the node control parameter set to obtain a link connection line set, analyzing a link endpoint type between each two nodes in the node control parameter set to obtain a link endpoint type set, and selecting a legend set corresponding to the link connection line set and the link endpoint type set from the link type legend set, and drawing a network topological graph of the topological data set by using a front-end network topological graph drawing technology according to the legend set and the node control parameter set. The invention further provides network topological graph drawing electronic equipment, a network topological graph drawing device and a computer readable storage medium. According to the invention, the problem that drawing is complex and occupies memory space under the multi-link type is effectively solved.

The present invention discloses a method for binding a back-up device and a mobile memory device, and the device includes the following steps: the characteristic information of the mobile memory device is collected, encrypted and generated into a hardware identification tag, and then the hardware identification tag and a key are stored in the mobile memory device; when receiving a command of installation, the back-up device inquires about the mobile memory device according to the preengagement, obtains the hardware identification tag as well as the key and analyzes out the characteristic information; the characteristic information of the mobile memory device is collected on the spot and contrasted with the analyzed characteristic information. If no difference is shown, the installation is permitted. The present invention encrypts the characteristic information of the mobile memory device and obtains the hardware identification tag. Only a corresponding back-up device can read the tag to acquire, collect and contrast the characteristic information on the spot, thereby guaranteeing the security of the characteristic information of the mobile memory device and achieving reliable binding effect of the back-up device and the mobile memory device. The present invention still discloses a back-up device.

The invention provides a role interaction control method and device, computer equipment and a storage medium, and the method comprises the steps: responding to an attack trigger event of a plurality of first virtual roles on a second virtual role, carrying out the set division of the plurality of first virtual roles, and obtaining a plurality of role sets, wherein the role sets comprise at least two first virtual roles; for each role set in the plurality of role sets, determining a target first virtual role meeting an interaction action initiation condition in the role set in the target interaction period; and controlling the determined target first virtual role to attack the second virtual role. Through the method, the number of the first virtual characters attacking the second virtual character at the same time can be effectively limited, so that the picture content is concise and ordered, the impression of the game content can be effectively improved, the energy consumption of a user on the game content can be effectively reduced, and the scene can be effectively judged and a good operation environment can be provided for the user.

The invention provides an intelligent epidemic prevention system which comprises an intelligent induction switch, an information storage module, an image acquisition module, a face recognition module,an iris recognition module, a body temperature detection module, an information processing module, a voice module and a passage device. When the epidemic situation needs to be prevented and controlled, the system can intelligently identify the epidemic situation, only correct mask wearing, normal body temperature and entrance of people in the community are allowed so that only one person can passthrough the passing device each time, the number of people is limited, the situation that people are too dense is avoided, and the potential safety hazard of mutual infection between people is eliminated.

The invention belongs to the field of beverages and particularly relates to a low-energy small red bean rose nutrient beverage taking small red beans and rosebuds serving as raw materials and a preparation method thereof. The nutrient beverage comprises small red bean clear juice, rose clear juice, vitamin nutrient supplements, antioxidant reinforcing agents, citric acid, sweeteners and water. The low-energy small red bean rose nutrient beverage comprises, by mass, 30%-50% of small red bean clear juice; 5%-8% of rose clear juice; 0.0015-0.003%. of thiamin hydrochloride, 0.001-0.002%. of riboflavin and 0.01-0.02%. of niacin among the vitamin nutrient supplements; 0.1-0.2%. of magnesium chloride, 2.0%.-3.0%. of tea tannin and 0.03%-0.05% of citric acid among the antioxidant reinforcing agents; 2%-4% of xylitol and 2-4% of isomaltulose among the sweeteners; and the balance water. The preparation method comprises the steps of raw material separation, cleaning and draining, red bean rose boiling, rose grinding, rose boiling, filtration, blending, filling and sterilization. The low-energy small red bean rose nutrient beverage is low in cost, less in additives, simple in manufacturing cost and easy to achieve.

Electrical cooking appliance (1), particularly an electrical deep fat fryer, comprising a casing (4), a cooking element (30) comprising heating means (32) equipped with electrical connectors (34), a support (20) fixed to the casing (4), electrical connection means (40) designed to collaborate with the electrical connectors (34) and thermostatic regulating means (50) and / or thermal cutout means (54), the support (20) with the casing (4) defining an accommodating space (23) housing the live electrical parts of the thermostatic regulating means (50) and / or the thermal cutout means (54), the electrical connection means (40) being mounted on the support (20). In particular, according to the invention, the thermostatic regulating means (50) and / or the thermal cutout means (54) are mounted on the support (20) and the casing (4) forms an open housing (2) leaving a passage (13) for fitting the support (20) followed by the cooking element (30).

The embodiment of the invention relates to the field of electronic technology, and discloses a wireless network access method and a portable power source. The wireless network access method is appliedto the portable power source, and comprises the following steps: when it is determined that the portable power source is in a power supply state of a mobile terminal, starting a wireless network function; transmitting wireless network information to the mobile terminal via an output interface; receiving an authentication request of a wireless network connection initiated by the mobile terminal, wherein the authentication request is generated by the mobile terminal according to the wireless network information; and allowing the mobile terminal to connect a wireless network after the authentication. By adoption of the wireless network access method, the portable power source can not only provide electric energy for the mobile device of the user, can also provide safe and high-quality wireless network service for the mobile device of the user, thereby improving the utilization rate of the portable power source.

The invention discloses a routing update method based on a routing information protocol. The method comprises: first routing equipment calculates a processing time of a single routing update message according to the single routing update message sent by second routing equipment, calculates the maximal sending rate of the second routing equipment for sending the routing update message, carries the calculated processing time of the single routing update message and the maximal sending rate in the routing update message to send the same to the second routing equipment, to enable the second routing equipment to periodically send a routing update message group to the first routing equipment to update a local routing list of the first routing equipment, wherein the number of routing update messages contained in the routing update message group is not larger than the maximal sending rate, and the sending period of the routing update message group is not smaller than a product of the number of the routing update messages contained in the routing update message group actually sent by the second routing equipment and the processing time of the single routing update message.

An articulated mechanism is described that allows to lift a net of a bed, or in general a support plane (12) for a mattress, to a certain height from ground and / or in respect of a frame (10). In orderto help lifting the frame without effort, the mechanism comprises two substantially parallel segments (16, 18) each hinged at their extremity to a side of the frame and at the other extremity to thesupport plane so as to constitute as a whole an articulated parallelogram; and motor means (16, 20) adapted to push the two segments making them rotate around the hinging points on the frame, therebylifting the frame.