136 results about "Server" patented technology

A system and method for sorting music files based on moods are provided. The system includes a portable terminal for sorting stored music files based on moods, for changing mood information of a corresponding music file in response to a request to change mood of at least one of the music files, and for transmitting the mood change information to a mood analyzing server, and a mood analyzing server for receiving the mood change information, for updating mood judgment information that is standard information for determining mood of a music file based on the received mood change information, and for transmitting the updated mood judgment information to the portable terminal.

A protocol provides generalized client-server computing by providing a server program that can utilize standard and non-standard ports for applications.

The embodiment of the invention discloses an online teaching method and device, a storage medium and terminal equipment, and belongs to the field of online education. The method comprises the steps ofreceiving courseware data from a server, and displaying courseware in a first display area based on the courseware data, receiving a target courseware interaction instruction from a server in the courseware display process, and executing a first courseware interaction operation indicated by the target courseware interaction instruction on a courseware interface of the courseware. Interaction between students and courseware can be realized based on the courseware interaction instruction preset in the courseware so that online teaching cost can be reduced and teaching efficiency can be enhanced.

The invention belongs to the field of Internet of Things communication, and relates to a multi-layer gateway data transmission system and method based on LoRa positioning, and the system comprises anLoRa terminal, an LoRa main gateway, a plurality of LoRa auxiliary gateways, a network server, and an application server. The terminal communicates with the at least three auxiliary gateways in respective allocated time slots by adopting the TDMA technology; each main gateway is connected with three auxiliary gateways; the main gateway is connected with the server through TCP/IP; the main gatewaytransmits data to the DTU, when the DTU is in a working state, the main gateway continuously sends the data to the DTU, and when the DTU is in a dormant state, the main gateway stores the data and waits for the DTU to wake up and then transmits the data again; the DTU transmits the data to a network server through a wireless network; the application server receives the data transmitted by the network server and calculates the positioning position of the terminal. According to the invention, the gateway is subjected to multi-layer processing, so that the stability, data security and transmission efficiency of the gateway are improved.

The invention discloses an Internet two-dimensional code intelligent lock and a using method thereof in hotel management. The Internet two-dimensional code intelligent lock comprises a processor, and a two-dimensional code recognition module, a face recognition device, a wireless communication module, a Bluetooth module, a power module, a clock module, an electric control lock and a recognition error alarming device which are connected with the processor, and further comprises a storage battery connected with the power module, wherein the wireless communication module is connected with a user terminal and a management terminal respectively through a server; the two-dimensional code recognition module comprises an image recognition unit and a power control unit which are connected with each other; the image recognition unit is connected with the processor. The management terminal is matched with locks through the serve and updates unlocking two-dimensional codes, and in different time periods, different locks correspond to only encrypted codes in different time periods. The Internet two-dimensional code intelligent lock can automatically acquire room renting information statistically, and customers can choose rooms by themselves, so that information is transparent and the safety management of a hotel is effectively enhanced.

A networked system for providing public space data on demand, including a plurality of vehicles driving on city and state roads, each vehicle including an edge device with processing capability that captures frames of its vicinity, a vehicle-to-vehicle network to which the plurality of vehicle are connected, receiving queries for specific types of frame data, propagating the queries to the plurality of vehicles, receiving replies to the queries from a portion of the plurality of vehicles, and delivering matched data by storing the matched data into a centralized storage server, and a learner digitizing the public space in accordance with the received replies to the queries.

A method for uploading and downloading file includes receiving, by a request receiver of the server, an upload request of a file from a first user terminal; transmitting, by the request receiver, a location information of a storage for storing the file to the first user terminal, verifying, by an upload confirmer of the server, whether the file is uploaded to the storage by the first user terminal, and storing, by a DB manager of the server, a metadata of the file including the location information in a metadata database (DB) when the file is uploaded to the storage by the first user terminal. A user may directly upload/download a file to/from the storage through the user terminal, and in this case, even if the number of users is increased, the server may not directly upload/download the file, thereby minimizing load burden of the server.

The invention relates to the technical field of public security video identification and prevention management, and discloses a video intelligent identification and information push prevention management system, which comprises an IP camera, a mobile camera, a video edge calculation intelligent identification terminal, a cloud server and an information receiving terminal. The video edge calculation intelligent identification terminal acquires video stream data of an IP camera (mobile camera) through a local area network, the video edge calculation intelligent identification terminal is connected with the cloud server through the local area network, and an information pushing engine module pushes the video stream data to the information receiving terminal of a pushed object in a WeChat, short message and APP transmission mode. Through identity recognition technologies such as video intelligent recognition and the like, classification, real-time early warning and linkage of public safetyhazards are realized through classification confirmation, classification early warning, intelligent propaganda and department linkage (such as police-people linkage) and the like of identities, actions, emotions and the like in a certain area, and a new direction is provided for exploring a grass-roots governance mode of co-construction and co-governance sharing.

The embodiment of the invention provides an equipment network distribution method and device, a computer readable storage medium and an electronic device. The equipment network distribution method comprises: acquiring an equipment identifier of a second device, and the second device being a device to be subjected to network distribution; sending first network distribution information and the equipment identifier to a server to indicate the server to generate a network distribution request according to the first network distribution information and the equipment identifier; wherein the first network distribution information is used for indicating the network distribution information that the first device performs network distribution, and the network distribution request is used for indicating the user equipment to perform network distribution processing on the second device in response to the network distribution request. Therefore, through the embodiment of the invention, the problemof poor user experience caused by low efficiency in the distribution network binding process of a plurality of intelligent household appliances in the related art can be solved, and the effect of remarkably improving the operation convenience and experience in the distribution network binding process of the plurality of intelligent household appliances by the user is achieved.

The invention discloses an agent type anonymous communication method based on a homomorphic encryption scheme. The agent type anonymous communication method comprises the steps that S1, a sending endcarries out original encryption on target data to obtain ciphertext data c1; S2, the sending end sends the ciphertext data c1 to a server; S3, the server performs homomorphic encryption on the ciphertext data c1 to obtain ciphertext data c2; S4, the server sends the ciphertext data c2 to a receiving end; and S5, the receiving end decrypts the ciphertext data c2 to obtain ciphertext data c1. The method is mainly used for reliably and completely transmitting private data (mainly for position data) of participating vehicles in the Internet of Vehicles, safe operation of the participating vehiclesin the Internet of Vehicles is achieved by improving the safety and confidentiality of the position data of the participating vehicles in the Internet of Vehicles, and certain economic benefits and engineering practicability are achieved.

The invention discloses an Internet of Things card management method, an Internet of Things card management system and electronic equipment, and aims to improve the management effect of an Internet ofThings card. The Internet of Things card is installed in Internet of Things equipment, the Internet of Things equipment comprises an equipment communication module, an equipment label is arranged onthe Internet of Things equipment, an identification code is arranged on the equipment label, the method comprises the following steps: scanning the identification code to obtain identification content, and the identification content comprises an equipment number; sending the equipment number contained in the identification content to a server, so that the server searches the identification information of the Internet of Things card and the identification information of the equipment communication module corresponding to the received equipment number according to a pre-recorded corresponding relationship among the equipment number, the identification information of the Internet of Things card and the identification information of the equipment communication module; logging in a page of an operator system of the Internet of Things card according to the searched identification information of the Internet of Things card and feeding back; and receiving a page of the operator system of the Internet of Things card fed back by the server, and performing management operation on the Internet of Things card based on the page of the operator system.

The invention discloses an electric energy monitoring and early warning system based on 5G and a modified GCN graph neural network, and the system comprises an intelligent electric meter and a serverterminal. The intelligent electric meter collects the current value of a flowing line through a mutual inductor, and the intelligent electric meter is internally provided with a 5G module, and transmits the collected current information to the server terminal; the server side gathers the current data of the factory, the production workshop, the production line and the key equipment, and performs comprehensive analysis in combination with the factory production data. According to the invention, the mutual inductor is adopted to monitor the value of the current flowing through the electric wire,and the monitored data is sent to the cloud server by using the 5G network for the first time, so that the problem of factory wiring is avoided, the problem of mutual isolation of links such as factory power utilization measurement and monitoring is solved, and centralized monitoring and centralized management of factory power utilization monitoring are realized.

The invention relates to a cross-mirror pedestrian trajectory tracking method and system, an electronic device and a storage medium. An image collection device captures a portrait image, and forms first-level structural information according to the portrait image, a timestamp and the position information of the image collection device; a site server obtains the first-level structured information of the multiple image acquisition devices in the site range, obtains the portrait recognition confidence coefficient of the target pedestrian according to the first-level structured information, judges whether the portrait recognition confidence coefficient is larger than a face absolute confidence threshold value or not, and if the judgment result is yes, stores the first-level structured information in a target ID corresponding to the target pedestrian, and obtains second-level structured information from multiple pieces of first-level structured information of the target ID; and a cloud server obtains the second-level structured information of the plurality of site servers, and integrates the plurality of pieces of second-level structured information according to the timestamps and the position information of the image acquisition device to obtain the pedestrian real-time trajectory corresponding to the target ID, thereby improving the precision and real-time performance of pedestrian trajectory tracking.