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56results about How to "Reduce traffic consumption" patented technology

Method and device for acquiring offline messages, and computer readable storage medium

The present application provides a method and device for acquiring offline messages, and a computer readable storage medium. The method comprises the following steps: after detecting that a target user is offline, storing offline messages sent by other users to the target user in a database according to session identifiers; after detecting that the target user goes online, pushing a predeterminednumber of offline messages to sessions corresponding to the session identifiers, respectively; when detecting that the target user has an offline message request of the target session with the greatest message sequence number in the target sessions, which carries the session identifier of the target session, pushing the offline message in the offline messages corresponding to the session identifier of the target session in the database, the message sequence number of which is greater than the greatest message sequence number in the target session, to the target session, wherein the sequence number of the early received offline message in the offline messages corresponding to the same session identifier in the database is smaller than the sequence number of the offline message received late. The response speed of the client to the offline messages can be effectively improved.
Owner:JINGUAZI TECH DEV CO LTD

System and method for remote monitoring of trapping of elevator passengers

The invention provides a system and method for remote monitoring of trapping of elevator passengers. The system comprises an elevator detecting module, a remote diagnosis device, a cloud server, an image collecting module and a residential area monitoring system. The method comprises the following steps that the elevator detecting module detects fault information of an elevator in real-time. If a person trapping fault is sent, the person trapping fault is sent to the remote diagnosis device. The remote diagnosis device sends person trapping fault information to the cloud server. The cloud server launches a person trapping re-check instruction to the residential area monitoring system, and the residential area monitoring system automatically inquires whether the image collecting module detects a person trapping status in the requesting time, and feeds back a status point and image information in the inquiring time to the cloud server. The cloud server makes a data contrast, and takes relative rescue measures. According to the system and method for remote monitoring of trapping of the elevator passengers, the remote monitoring device and the passenger comforting function are optimized and combined to be one system, so that quick judgment and quick response to trapping of passengers are achieved, and meanwhile, the system cost is reduced.
Owner:GUANGZHOU GUANGRI ELEVATOR IND

Three-dimensional file format system and reading method

The invention relates to a three-dimensional file format system and a reading method. The three-dimensional file format system comprises a file header module, a Node information module and a user-defined information module, and is characterized in that the file header module is used for storing file marks, version numbers and basic information of the user-defined information module; the Node information module is used for storing ordered tree structures of formatted files, node names, node layers and connection relations between nodes; and the user-defined information module is used for storing model structure information, texture information, animation effect information, map information, light source information and view angle information. According to the format, classification processing is firstly performed on the same data in three-dimensional model files, then compression processing is performed on each category of data respectively to obtain compressed information blocks, the information blocks are arranged according to an ordered tree structure, so that a circumstance of data confusion can be prevented, the space occupied by the files is significantly reduced, and the compression effect is improved by nearly 10 times compared with the existing obj format.
Owner:BEIJING JUZHENKONGJIAN TECH CO LTD

Organizational structure synchronization method, client, server and medium

The present invention discloses an organizational structure synchronization method, a client, a server and a medium. The method comprises the steps of: sending a synchronous request, wherein the synchronous request comprises client synchronization version numbers, the client synchronization version numbers record the maximum serial number of a first node attribute sequence of a current client, andthe first node attribute sequence comprises current attribute data of a plurality of nodes corresponding to the client; the maximum serial number of the total node attribute sequence of the current server recorded in a server synchronization version numbers is larger than the maximum serial number of the first node attribute sequence and the total node attribute sequence comprises historical attribute data of the nodes corresponding to the clients, obtaining the attribute data of increment nodes issued by the server, wherein the increment nodes comprise the nodes corresponding to the serial numbers between the maximum serial number of the total node attribute sequence and the maximum serial number of the first node attribute sequence; and requiring to change the attribute data of the nodes in the corresponding first node attribute sequence according to the attribute data of the increment nodes.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Data transmission method and device, terminal equipment and storage medium

The invention discloses a data transmission method and device, terminal equipment and a storage medium, and the method comprises the steps: receiving and responding to a data transmission instruction,carrying out the subpackaging of a first transmission parameter, obtaining a plurality of data packets of the first transmission parameter, and generating the identification of each data packet; generating a service message based on a preset interaction protocol, and sending the service message to a local end; receiving a first data request message returned by the local end; and in response to the first data request message received each time, sending a data packet to the local end, so that the local end analyzes the received data packet to obtain a first transmission parameter. According tothe embodiment of the invention, subpackage processing is carried out on the large-byte parameters; therefore, the page end or the local end receiving the parameters can complete downloading of the big data many times in series based on the identification of the subpackage data, the data transmission efficiency between the page end and the local end is achieved, occupation of the storage space ofa background server is avoided, the flow consumption of the mobile end is reduced, and the user experience is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Vehicle-mounted domain controller OTA software upgrading method and device, storage medium and terminal

The invention discloses a method and a device for upgrading software by a vehicle-mounted domain controller OTA, a storage medium and a terminal. The method comprises the following steps: determiningthat software upgrading needs to be carried out, and determining a version of to-be-updated software; mounting a compiling operation system, selecting environment parameters, and loading a compiling hardware environment, the environment parameters being stored in hardware of the vehicle-mounted domain controller; determining the version of the current software according to the compiling operationsystem; determining and downloading a difference code between the code of the to-be-updated software and the code of the current software, wherein the data volume of the difference code is smaller than that of the software package of the to-be-updated software; in the compiling hardware environment, generating a differentiated executable file by adopting the compiling operation system and the difference code; and upgrading the software by adopting the differentiated executable file OTA. According to the scheme, the downloaded data volume can be far smaller than that in the prior art, consumedflow is remarkably reduced, and the use cost of a user is effectively reduced.
Owner:上海能塔智能科技有限公司

DTU (Data Transfer Unit) data transfer system and method for applying same to transfer data

The invention relates to a DTU (Data Transfer Unit) data transfer system and a method for applying the same to transfer data. The DTU data transfer system comprises a DTU, a data acquisition device, a virtual IP (Internet Protocol) server and a master station, wherein the DTU comprises a control module; an instruction set which is used for controlling the DTU to send an instruction is pre-stored in the control module; the data acquisition device is used for receiving the instruction sent by the DTU and transferring the data to the DTU; the virtual IP server is used for receiving the data sent by the DTU and transferring the data; the master station is used for receiving the data transferred by the virtual IP server. The DTU data transfer system disclosed by the invention has the following beneficial effects that during data acquisition and transfer, the DTU initiatively sends the instruction to the data acquisition device by running the instruction set pre-stored in the control module, and the data acquisition device is used for returning the acquired data to the DTU after the instruction is received and transferring the data to the master station through the DTU, so that the instruction is not required to be sent to the master station, flow consumption is reduced, meanwhile, loss of the instruction is avoided, and the reliability of data transfer is increased.
Owner:南京码讯光电技术有限公司

Session border controller and data transmission method

The invention discloses a session border controller and a data transmission method and belongs to the technical field of Internet. The method comprises the following steps that a data through layer receives a to-be-transmitted data packet, which is sent by a session initiation terminal through a first designated port when, under a restricted network and sends the information of the to-be-transmitted data packet and the first designated port to a data processing layer; the data processing layer receives the information of the to-be-transmitted data packet and the first designated port, stores a mapping relation between the information of the first designated port and the information of the data through layer and sends the to-be-transmitted data packet to a data transmission layer; and the data transmission layer receives the to-be-transmitted data packet and sends the to-be-transmitted data packet to an external network, and the external network sends the to-be-transmitted data packet to a session receiving terminal. According to the session border controller and the data transmission method, third-party equipment is not needed, and the data through layer initiates the terminal transmission data packet for a session under the restricted network, so that the flow consumption of a data transmission process is reduced, the data transmission delay is reduced and the timeliness of the data is improved.
Owner:BEIJING FEINNO COMM TECH
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