45results about How to "Realize mutual transmission" patented technology

The invention belongs to the technical field of power transmission communication, and discloses a low-voltage power line high-speed carrier-to-Bluetooth communication system and method. The system comprises a Bluetooth dual-mode meter module, a Bluetooth dual-mode II-type collector, and a Bluetooth slave module. The Bluetooth dual-mode meter module is arranged on an intelligent carrier meter and comprises an HPLC communication meter module and a first Bluetooth main module. The Bluetooth dual-mode II-type collector is arranged on an RS485 electric meter and comprises an HPLC communication II-type collector and a second Bluetooth main module. The Bluetooth slave module is arranged on an intelligent circuit breaker. Bluetooth networking and Bluetooth communication with the electric meter arecarried out through the first Bluetooth main module or the second Bluetooth main module. The intelligent carrier meter and the RS485 electric meter are communicated with a master station through an HPLC communication network. According to the invention, organic combination of the HPLC carrier communication module and the Bluetooth communication module can be realized; the power consumption condition of a household meter can be effectively monitored and early warned; and the system can be widely applied to the field of power transmission.

The invention relates to a two-way transponding working method of an optical fiber repeater achieved by a two-way transponding optical fiber repeater. The two-way transponding optical fiber repeater comprises a main transceiver, a plurality of transponding transceivers, a main antenna feeder system, a main comprehensive combiner, a transponding antenna feeder system, a transponding comprehensive combiner, a sending combiner, a receiving splitter, a receiving power divider and an emitting combiner, wherein the main transceiver has a plurality of different operating frequencies and operating modes. According to the two-way transponding working method of the optical fiber repeater, the optical fiber repeater can not only cover the weak field adjacent to a master block through the master block, but also cover the weak field adjacent to a slave block through the slave block and provide wireless relay transmission for a wireless communication system with the plurality of frequencies and modes, and wireless relay communication requirements of the optical fiber repeater system in areas of tunnels, basement and the like are satisfied.

The disclosed access method for network server file comprises: building room on network server for user file storage; allocating some virtual room and account and password to registered user; selectively bonding user log-on account with virtual room account to avoid inputting self account and password when user operates file. This invention can be used by different ways, such as mobile phone, E-mail, and FTP, and introduces much convenience to user operation.

The invention discloses an internet multimedia information transferring system, and is characterized in that a multimedia information interworking gateway is added in a multimedia information system; when a user of a communication operation enterprise sends multimedia information to a user of another communication operation enterprise, the multimedia information goes through the multimedia information interworking gateway by the multimedia information business center which the sender terminal belongs to and is submitted to multimedia information interworking gateway which the receiver terminal belongs to, then is sent to the multimedia information business center of the receiver, and at last is sent to the terminal of the receiver. The system of the invention realizes the intercommunication of multimedia information among the users of different communication operation enterprises by adding a multimedia information interworking gateway in the multimedia information system.

The invention discloses a data exchange system and a method thereof. The system comprises a first database server, a second database server, a first preset server, a second preset server, a first unidirectional gap and a second unidirectional gap. The first presser server acquires data information of a first data sheet and first sheet structure information from the first database server, and receives second sheet structure information from a second data sheet of the second preset server through the second unidirectional gap, and performs data information mapping according to a preset field mapping relation between the first data sheet and the second data sheet, the first sheet structure information and the second sheet structure information, thereby obtaining target data, and transmittingtarget data to the second preset server through the first unidirectional gap. The second preset server receives the target data through the first unidirectional gap and loads to the second data sheetof the second database server, and transmits the target data loading result to the first preset server through the second unidirectional gap.

The invention discloses an image capture device for a pair of virtual reality glasses and an image synthesis system. The image capture device comprises cameras and the vr glasses. The image capture device is characterized in that the cameras include an array camera set x(41) for capturing picture information (23) of a face dynamic area and a camera set s (42) for capturing a picture (24) of a face fixed area and a head fixed area.

Embodiments of the present application provide a screen transmission method, a vehicle-mounted bracket, and a storage medium. At least one mobile terminal existing around that vehicle-mounted bracketis first checked in an embodiment of the present application; Then, according to the variation of magnetic field strength between the mobile terminals and the vehicle-mounted bracket, the target mobile terminal is determined. Thereafter, when it is determined that the target mobile terminal is fixed on the vehicle-mounted bracket, a screen transfer operation is performed between the vehicle-mounted bracket and the target mobile terminal based on the communication connection between the vehicle-mounted bracket and the target mobile terminal. In this embodiment, based on different application scenarios, the screen display information between the vehicle-mounted bracket and the target mobile terminal can be transmitted to each other, so as to meet different application requirements of the vehicle-mounted bracket and improve the user experience.

The invention discloses an interconnection method for PROFIBUS DP and PROFINET communication networks through a sharing storage unit, and the method comprises the steps: (1) the sharing storage unit is divided into a register region, a pipeline region, an IO data region, and a mail box region; (2) a DP communication protocol micro-control unit detects whether there is effective DP configuration locally or not after power-on; (3) the DP communication protocol micro-control unit periodically visits the sharing storage unit to search the effective DP configuration and carry out communication data inter-transmission which serves as the communication between a DP main station maintenance gateway and a slave station; (4) an Ethernet communication protocol micro-control unit maintains PROFINET communication and communication data inter-transmission; (5) the Ethernet communication protocol micro-control unit transmits the DP configuration obtained through an Ethernet to be transmitted to the DP communication protocol micro-control unit through the sharing storage unit; (6) DP bus scanning is started according to the current state of the main station and the DP configuration when the DP communication protocol micro-control unit finds DP configuration updating. The method achieves the protocol conversion and data transmission between a PROFIBUS DP communication network and a PROFINET communication network.

The invention discloses a same-frequency same-phase voltage withstanding test device with safety sampling signals.The device comprises a same-frequency same-phase test power source, a series resonance device, a voltage divider, an alternating current power source, a conversion isolation device and a control box.The same-frequency same-phase test power source is connected with the voltage divider through the series resonance device; the voltage divider is connected with a to-be-tested interval Cx connected to a busbar; the conversion isolation device is arranged between the control box and a voltage transformer PT; the control box is connected with the same-frequency same-phase test power source.The conversion isolation device is arranged at a reference voltage selected from the secondary side of the PT to protect the safety of acquired reference signals, and the accident that the PT is damaged due to the fact that a short circuit occurs to the secondary side of a busbar or outgoing line PT in electrified operation is avoided.Electrical isolation between a sampling PT of reference signals input in the GIS same-frequency same-phase alternating current voltage withstanding test control device and a scene signal sampling PT is achieved, and transmission of abnormal signals between the reference signal sampling PT and the test device is cut off.

The invention, which relates to the technical field of medical images, provides a medical image multi-channel forwarding system. The medical image multi-channel forwarding system comprises medical image equipment communication authentication, forwarding and receiving list maintenance, forwarding and receiving of list communication authentication and medical image storage message receiving, medicalimage storage message forwarding, manual local file forwarding and other functions. According to the medical image equipment communication authentication, an SCP end to which the system belongs performs C-ECHO verification service with medical image equipment through configuration association to verify whether communication between two DICOM service ends, namely the medical image equipment and the system, is smooth or not. According to the invention, the medical image multi-channel forwarding system can be applied to more than hundreds of hospitals in real time, mutual transmission across different medical image devices and multi-PACS system fusion are realized, and the technical support is provided for subsequent remote medical treatment.

The embodiment of the invention provides an SPKS cross-interlocking area protection method and device, electronic equipment and a storage medium. The method comprises the steps that if an entity SPKSexists in an interlocking area, the state of the entity SPKS is collected, the state of the entity SPKS is mapped into the state of a corresponding virtual SPKS, and the state of the virtual SPKS is sent to an adjacent CI for setting the virtual SPKS; if the virtual SPKS exists in the interlocking area, the state of the virtual SPKS sent by the adjacent CI of the entity SPKS corresponding to the virtual SPKS is received and set; and performing cross-interlocking area protection based on the state. According to the method, the device, the electronic equipment and the storage medium provided bythe embodiment of the invention, the mutual transmission of the cross-interlocking area SPKS state between the CIs is realized, so that the safety risk caused by incapability of establishing a complete protection area is avoided. Meanwhile, the personnel operation is simplified, the application cost is reduced, and the availability of the FAO system is improved.

The invention discloses a wireless data exchange formation test system and a test method thereof. The test system comprises a downhole instrument and a ground instrument, wherein the downhole instrument comprises a guide shoe, a measuring unit used for detecting downhole data, a downhole computer used for receiving and processing the downhole data and a downhole data transmitting and receiving device used for transmitting and receiving the downhole data, and the guide shoe, the measuring unit, the downhole computer and the downhole data transmitting and receiving device are sequentially connected; the ground instrument comprises a ground signal receiving and sending device used for receiving and sending ground data and a ground computer used for processing data and sending a control instruction to a downhole, and the ground signal receiving and sending device is connected with the ground computer; and the downhole data transmitting and receiving device is connected to the ground signal receiving and sending device through a drill rod or an oil pipe. The wireless data exchange formation test system and the test method realize the real-time wireless transmission of test data and the data exchange between the ground instrument and the downhole instrument and solve the problem that the current test method cannot carry out real-time wireless two-way transmission.

The invention is applicable to the technical field of the internet, and provides a response method and system for a video call service. The response method comprises the steps of: receiving a video call service request by video call equipment; based on a communication address, calling a video call connection process to establish a video call data transmission link with a call opposite end, and responding to the video call service request; if receiving a file sending request sent by the call opposite end, acquiring a target file referred to by the file sending request from the local, and according to the communication address and a file type of the target file, determining a link number; if a local link list does not include the link number, uploading the target file to a file pushing server by a file uploading link; and enabling the file pushing server to send the target file to the call opposite end by a file transmission link corresponding to the link number. According to the invention, the file transmission link and the video call data transmission link are independent mutually, and resolution of a video call cannot influence quality of file resources which need to be acquired.

The invention provides a Brillouin photoacoustic coupling-based distortion correction method and device. The distortion correction method comprises the following steps: an OAM channel light beam and aGaussian type detection light beam are transmitted by sharing a light path, and a distorted OAM channel light beam and a distorted detection light beam are obtained through a distortion unit; the distorted OAM channel light beam and a Gaussian type reference light beam are input from the two sides of a nonlinear medium and are subjected to BOPA interaction in the nonlinear medium, and distortioninformation carried by the OAM channel light beam is written into a phonon field of the nonlinear medium; and the distorted detection light beam is located on one side of the Gaussian type reference light beam and obliquely comes into the nonlinear medium relative to the Gaussian type reference light beam, the distorted detection light beam and the phonon field carrying the distortion informationare subjected to BAPA interaction to obtain the OAM channel light beam free of the distortion information, and the OAM channel light beam free of the distortion information is output in a direction opposite to a propagation direction of the Gaussian type reference light beam. The distortion correction method and device can be used for correcting conventional fluctuation distortion and vortex distortion in mediums such as atmosphere, optical fibers and the like.

The invention discloses a college network teaching system, and relates to the technical field of network teaching. The college network teaching system comprises a login unit, wherein the output end ofthe login unit is electrically connected with the input end of a data information input unit; the input end of the data information input unit is electrically connected with the output end of a datainformation filtering module; and the input end of the data information filtering module is electrically connected with the output end of a big data input unit. According to the college network teaching system, due to the arrangement of the big data input unit, the data information input unit, a classification and sorting database storage unit, a central control unit, a display unit and a touch screen search engine, the display unit can effectively display the data; and due to the fact that a display, an audio playing module and a character display module are arranged, the data can be displayed on the display with audios and characters, so that students can more intuitively know knowledge points, and the teaching effect of teachers is improved.

The invention discloses a ring piece machining system and method as well as a ring piece moving-out device and belongs to the fields of ring piece heat machining and ring piece transportation. The invention provides a large-sized ring piece machining method, a ring piece machining system and the ring piece moving-out device for the system, and mainly describes the ring piece moving-out device. The ring piece moving-out device comprises a framework, wherein the formwork is formed by a transverse beam and a supporting column; the ring piece moving-out device further comprises a motor, a suspending device and a control device; the retraction of a hydraulic cylinder drives an upper connecting rod to move up and down; meanwhile, the upper connecting rod moves up and down to drive a retracting rod, a lower connecting rod and a rolling column to move up and down; and if one end of the hydraulic cylinder is connected with the lower connecting rod at the bottom of the retracting rod, the retracting rod, the lower connecting rod and the rolling column also can be driven to move up and down. Therefore, the automation of production of a ring piece can be realized, the production efficiency is improved, the use is safe and the labor cost is saved.

A PDA-based diagnosis and identification system for fruit tree diseases and insect pests, including a remote PC system and a mobile client system, the remote PC system includes a PC database, a PC index library, a data acquisition module, an index management module, a rule engine and a transmission module, and the data acquisition module will The collected original information is uploaded to the PC database; the index management module scans the data in the PC database one by one, and generates corresponding index entries according to the rules in the rule engine, and saves them in the PC index library; both the PC database and the PC index library are transmitted The module communicates with the mobile client system. The present invention is a portable and fast diagnosis and recognition system for pests and diseases, which realizes the diagnosis of diseases, insects, weeds and weeds in the field and comprehensive control technology guidance; it can complete data collection, index management, feedback analysis and PDA (mobile phone) retrieval, and integrates mobile phone communication, diagnosis and recognition of diseases and insect pests Function in one, improve work efficiency.

The invention discloses surface electromyography signal acquisition and processing equipment. The surface electromyography signal acquisition and processing equipment comprises an electrical signal data Internet sharing and intercommunicating device box; a power supply switch and an interface panel are arranged on an outer surface of the electrical signal data Internet haring and intercommunicating device box; heat radiation holes are formed, in a penetrating way, in one side of the electrical signal data Internet sharing and intercommunicating device box; a device box handle is arranged on the other side of the electrical signal data Internet sharing and intercommunicating device box; a sound insulation layer is arranged on an inner surface of the electrical signal data Internet sharing and intercommunicating device box; a device box lock and a device box cover spindle head are arranged a the top of the electrical signal data Internet sharing and intercommunicating device box; two ends of the device box cover spindle head are connected with a device box cover by a device box cover spindle bearing; a router antenna placement hole and a control panel are arranged at the top of the device box cover; ad a work indicator and an alarm indicator are arranged on an outer surface of the control panel. Thus, the purposes of sound insulation and heat insulation are realized for the surface electromyography signal acquisition and processing equipment by utilizing the sound insulation layer and the heat radiation holes

The invention discloses a method for accurately positioning a single base station under a coal mine, which comprises the following steps that: S1, a positioning terminal sends broadcast information tothe positioning base station, a directional antenna A and a directional antenna B of the positioning base station receive a UWB signal sent by the positioning terminal, a Zigbee antenna of the positioning base station receives a Zigbee signal sent by the positioning terminal, and the positioning base station records a receiving timestamp T1; S2, the positioning base station determines the position of the positioning terminal through Zigbee signals, and meanwhile, the positioning base station accurately positions the positioning terminal through UWB signals received by the directional antennaA and the directional antenna B and judges the walking directivity of the miner in the roadway; and S3, the positioning base station replies the positioning terminal information and records a sendingtimestamp T2, and the positioning base station calculates to obtain information processing time TD1=(T2-T1). The invention provides a method for accurately positioning a single base station in an underground coal mine, which is used for accurately positioning an area limited by quantity and position in base station deployment aiming at factors such as underground environment, communication network, engineering implementation difficulty cost and the like.

The invention provides a data transmission method between data terminals. A data transmission connecting medium for mutual data transmission between the data terminals is adopted in the data transmission method. The method comprises the steps that a user holds a data terminal, scans a digital object identifier generated in the data transmission medium, wherein the digital object identifier comprises user information, and data needing to be transmitted are provided for the other data terminal or other multiple data terminals. The data transmission method between data terminals gets rid of dependence on visible data transmission accessories of data lines and the like when the data are transmitted between the data terminals, avoids repeated input of a user on the device terminal, improves briefness for opening a webpage of a the user and user experience, saves resources to a certain extent, and protects the environment.

The invention provides a device and method for testing the ozone removal performance of an air purifier. The device comprises a test cabin which is used for accommodating a to-be-tested air purifier,and simulating an actual indoor use environment, an ozone generation device which is communicated with the air inlet of the test cabin and is used for continuously conveying ozone into the test cabin;and an exhaust purification device which is communicated with the air outlet of the test cabin, and the exhaust purification device is communicated with the outside. According to the invention, the requirements of a dynamic balance method can be met, continuous pollutant generation and dynamic balance testing are provided, the device is closer to the working condition of the actual indoor environment, and the ozone removal performance of the air purifier can be truly and objectively reflected.

The invention provides a controlled bidirectional quantum secure direct communication method and a system based on a cluster state. Communication between 2n communication ends which are interacted inpairs is controlled through a control end; two communication parties only need to transmit the signal particles once; mutual transmission of secret messages of the two parties can be realized; highertransmission efficiency is obtained; a particle sequence used for communication between the communication ends is distributed by the control end; only after the verification of the controlled end is passed; the communication end can obtain a correct particle sequence; according to the quantum secure direct communication method and device, the secret information is embedded into the correct particle sequence, the secret information is not embedded into the signal particles transmitted in the public quantum channel, an eavesdropper cannot obtain the secret information by attacking the particles,the security of quantum secure direct communication is ensured, and efficient and secure quantum secure direct communication is achieved.

The invention discloses an ultra-long-strip-shaped multifunctional LED illuminating rope device. The device comprises transparent or semitransparent externally wrapped protection leather, a main power line, an auxiliary power line, a communication line, a thin pull rope, a decoration accessory, a master control box, a communication reel and a plurality of short LED lamp strings. The main power line, the auxiliary power line, the communication line, the thin pull rope and the short LED lamp strings are wrapped by the externally wrapped protection leather, and the decoration accessory is fixed or semifixed to the externally wrapped protection leather. According to the ultra-long-strip-shaped multifunctional LED illuminating rope device, power supplying of an LED illuminant and the decoration accessory is separated from signals, the power source and the signals are not provided for the decoration accessory through the main power line, and it aims to guarantee that the voltages of the LED lamp strings on the main power line are not divided, so that the brightness of the LED lamp strings is not reduced. Meanwhile, the auxiliary power line is adopted to provide the power source and the signals for the decoration accessory, and is not limited by the signals on the main power line, the form of the decoration accessory can be more diversified, and the use method is more flexible.

The invention relates to a device for binding a wechat client side based on a two-dimensional code and a method thereof. The device comprises intelligent equipment without a display screen or keyboard, a wireless router and wechat two-dimensional code generation equipment. The intelligent equipment is connected with the wechat two-dimensional code generation equipment in a communication way through the wireless router. The intelligent equipment is provided with a camera which is aligned with the display screen of the wechat two-dimensional code generation equipment and used for acquiring a two-dimensional code image including wechat account information and account password information of the wireless router. The intelligent equipment obtains the wechat account information and the account and the password of the wireless router and then accesses to the network through the wireless router and automatically binds the wechat account. The intelligent equipment and the bound account perform data inter-transmission through wechat after binding. Compared with the devices and the methods in the prior art, wechat account binding can be realized with no requirement for screen display or keyboard input so that wechat information inter-transmission can be realized.

The embodiment of the invention relates to a file transmission method and device, a server and a storage medium, and the method comprises the steps: generating a resource link corresponding to first equipment when determining that the first equipment needs to collect a file; when a file transmission request sent by the second device based on the resource link is received, controlling the second device to transmit a file to the first device, so that the file transmission process can be simplified, and the file transmission is more convenient and faster.

The invention discloses an internet multimedia information transferring system, and is characterized in that a multimedia information interworking gateway is added in a multimedia information system; when a user of a communication operation enterprise sends multimedia information to a user of another communication operation enterprise, the multimedia information goes through the multimedia information interworking gateway by the multimedia information business center which the sender terminal belongs to and is submitted to multimedia information interworking gateway which the receiver terminal belongs to, then is sent to the multimedia information business center of the receiver, and at last is sent to the terminal of the receiver. The system of the invention realizes the intercommunication of multimedia information among the users of different communication operation enterprises by adding a multimedia information interworking gateway in the multimedia information system.

The invention provides a system and a method for accessing safe intelligent equipment to an operation network, which relate to the field of network communication. The method for accessing the safe intelligent equipment to the operation network comprises the following steps that: the intelligent equipment is provided with an SIM card; the intelligent equipment identifies SIM card information set bythe SIM card; the intelligent equipment sets account information according to the SIM card; the intelligent equipment is connected with an operator server through a public network; and the intelligent equipment sets access authority of the operator server to the intelligent equipment, so that the operator server identifies user identity information and operator information through utilizing the SIM card information and provides technical support for the intelligent equipment according to the access authority. The system and the method solve the problems that an existing communication mode islow in safety and difficult to trace.

The present invention is applicable to the technical field of the Internet, and provides a video call service response method and system, including: the video call device receives a video call service request; based on the communication address, calls the video call connection process to establish a connection between the call peer video call data transmission link to respond to the video call service request; if the file sending request sent by the peer end of the call is received, the target file referred to in the file sending request is obtained from the local, and according to the communication address and the file of the target file Type, to determine the link number; if the link number is not included in the local link list, upload the target file to the file push server through the file upload link; the file push server sends the call pair end to send the target file. In the present invention, the file transmission link and the video call data transmission link are independent of each other, and the resolution of the video call no longer affects the quality of the file resources to be obtained.