189results about How to "Guaranteed correspondence" patented technology

The invention discloses a laser 3D printing device with multiple inkjet heads. The laser 3D printing device with multiple inkjet heads includes a laser generator, a laser inkjet head, a mechanical arm and a working table, wherein the laser inkjet head includes a laser head and a power inkjet head assembly, the power inkjet head assembly comprises a connecting base, a rotating disc and at least two power inkjet heads, the rotating disc is sleeved outside the periphery of the connecting base, the connecting base is provided with a laser through hole which is coaxially communicated with a laser jet hole of the laser head, the at least two power inkjet heads are detachably arranged on the rotating disc and are distributed relative to the periphery of the rotating center of the rotating disc, any power inkjet head is coaxially communicated with the laser jet hole when rotating to a working station, and a fixing unit is arranged between the rotating plate and the connecting base. The laser inkjet head of the laser 3D printing device with the multiple inkjet heads is provided with a plurality of powder inkjet heads and the plurality of powder inkjet heads can be used alternately so that the laser 3D printing device can use a plurality of metal powers to print under the condition that the laser inkjet head is not changed, and the laser 3D printing device meets the 3D printing requirements of FGM (Functionary Gradient Materials) metal pieces.

The invention relates to an information safety algorithm based on an energy information gateway in a smart power grid, ad an introduced safety mechanism is divided into an identity verification process, an encryption information message format and an information communication process according to a connecting flow path. Based on an RSA encryption algorithm, an advanced encryption standard (AES), digital signature and other technologies, the safety mechanism with instruction information transmission confidentiality, integrity and non-repudiation is achieved. By using the respective advantages of the three technologies, the condition that a smart electricity using network transmits sensitive information in a public network is combined, the situations of identify forging, data stealing, repeated attack sending and the like are considered sufficiently, and a bi-directional identity verification and safe instruction transmission mechanism is provided, so that the data attacks are effectively prevented, and traceability of instructions is ensured. A practicable and reliable solution is provided for safe data transmission in the demand response and home automation technology in China.

The invention discloses a blockchain technology authentication method based on a partial image. A partial image of the physical surface of a product at a production end is photographed, a blockchain registration transaction is created by using the partial image and product authentication information as transaction data of the blockchain, and at the time of authentication, a consumer photographs the partial image and an authentication information label at the same position on the physical surface and uses the image recognition technology and blockchain technology to realize the fidelity and traceability of the physical product. The method of the invention uplinks the image of the surface of the physical product as transaction information to the underlying blockchain, ensures that the physical object is not falsified or replaced by identifying whether the physical surface image captured by the authenticator is consistent with the image in the block, and establishes a first link of the Blockchain technology in the fidelity, anti-counterfeiting and traceability of physical products, thereby enabling the blockchain technology to serve the daily lives of the broad masses of the people.

The invention relates to a tourist geographic position positioning and communication management system. The system comprises a mobile communication network, a positioning communicator held by a tourist, an intelligent terminal, a positioning guide, a background GIS (geographic information system) and database and a monitoring PC (personal computer) held by a supervision rescuer, wherein the intelligent terminal and the positioning guide are held by a tour guide; the positioning communicator acquires the current geographic position through a positioning module, transmits data with the intelligent terminal and the background GIS system and database through a communication module and exchanges data with the positioning guide through a Bluetooth module; the intelligent terminal transmits data with the positioning communicator and the background GIS system and database; the positioning guide acquires the current geographic position information, sends data to the intelligent terminal and the background GIS system and database and receives data through the communication module; the background GIS system and database receives the returned geographic position information and performs visualized positioning; the monitoring PC calls the geographic position information of the tourist from the background GIS system and database for monitoring. The invention further relates to a tourist geographic position positioning and communication management method.

The invention discloses a construction method of a road blocking image semantic segmentation sample library for full convolutional neural network training. The construction method comprises the steps of performing vectorization, enhancement and standardization on samples; secondly, introducing a classical convolutional neural network type and a network structure improvement method, and explaining a network realization method and a training process; then, using the full convolutional neural network obtained through training for conducting remote sensing image road surface semantic segmentation, and on the basis that the road surface which is not damaged after disaster is extracted, judging the road integrity through the length proportion of the road which is not damaged before disaster and after disaster. The precision evaluation indexes of the improved full convolutional neural network model are superior to those of an original full convolutional neural network model. The improved model is more suitable for specific problems of post-disaster undamaged pavement detection and road integrity judgment, and the adverse effects of tree and shadow shielding on road blocking information extraction can be effectively overcome.

The embodiment of the invention discloses a method for manufacturing a label for a product, a method for checking the truth of the product and a system thereof, wherein the method for checking the truth of the product comprises the following steps: a label ID is read from an RFID label embedded in the product; a preset algorithm and a cipher key are adopted to encrypt the label ID and product information to obtain encrypted data; the preset algorithm and the cipher key are adopted to carry out decryption to the encrypted data so as to obtain the labor ID and the product information; the label ID read from the RFID label is compared with the label ID obtained by carrying out decryption to the encrypted data; and a comparative result is output. Under the condition without needing an on-line database, the embodiment can realize the effective truth check to the product and ensure the reliability of the verification result of the product.

The invention discloses an intelligent networking management platform for fire emergency communication, which relates to the technical field of fire wired and wireless voice communication. The intelligent networking management platform comprises a wireless channel access controller, a wireless user access controller, a serial port communication server, a voice switching server and a control management server, wherein the front end of the wireless channel access controller is connected with a various wireless channel machines or terminals, and the backend of the wireless channel access controller is in tandem with the serial port communication server and the voice switching server by a standard RS232 interface and a three-wire system audio interface to realize the wireless voice communication network access and control of a system. The intelligent networking management platform for the fire emergency communication configures parameters by manual operations or a reading plan in on fire-fighting and rescue site, can rapidly group different communication means and roles according to a commanding principle to avoid interference on communication among groups, and also can enable a commander to directly command and schedule any fighting unit on the site by voices in a wired / wireless way so as to improve the firefighting and rescue efficiency.

The invention relates to a distributed WEB application and remote equipment message communication method, comprising the following steps: firstly, initialize a JMS (Java Message Service) queue, an application command manger and GPRS (General Packet Radio Service) of a WEB application system; secondly, a user sends an operation command to remote equipment through a WEB user interactive layer to initiate a session process and build a temporary JMS queue; thirdly, the interactive layer of the remote equipment resolves a command object into byte streams and transmits the byte streams to the remote equipment through a public network according to the agreed communication protocol after receiving the forwarded JMS message command; fourthly, the interactive layer of the remote equipment receives a response message at the appointed time and resolves the byte streams into a response message object to match the corresponding command in a command queue, and then transmits the response back to the WEB user interactive layer through the temporary JMS queue. In the invention, a high-efficiency, accurate and reliable message communication mode can be built between the command sending and the response receiving, the application coupling factor is reduced and the reliability and the real-time performance for communication can be ensured.

The invention provides an omni-directional intelligent comprehensive field intensity indicator, which comprises a host machine, a radio frequency probe and a power frequency probe, wherein the radio frequency probe comprises three homocentric dipole antennas, a balanced transformation module and an output interface, the power frequency probe comprises a three-dimensional electric field measuring unit, a three-dimensional magnetic field measuring unit, a reshaping and amplification module, a channel selection module, a data acquisition module, a microprocessor module and a photoelectric communication module, the three-dimensional electric field measuring unit and the three-dimensional magnetic field measuring unit are respectively connected with the channel selection module through the reshaping and amplification module, and the output interface of the radio frequency probe and the photoelectric communication module of the power frequency probe are respectively connected with the host machine. According to the omni-directional intelligent comprehensive field intensity indicator disclosed by the invention, the maximum actual capacity of an electromagnetic field does not need to be found in the environment by a detector, the measurement functions of a power frequency electric field, a power frequency magnetic field and a radio frequency electric field are integrated, the synchronous display of the power frequency electric field and the power frequency magnetic field is achieved, the reliability of data is greatly improved, the labor intensity is reduced, and the detecting efficiency is improved.

The invention relates to a universal full-hardware one-step 1588 clock synchronization device and method. The device comprises a framing module, an MAC transmission control module, an MAC receiving control module, an analysis module, a timestamp generation module, a first-in first-out queue timestamp FIFO module, a local clock module, a deviation calculation module and a timestamp insertion module. The method of the invention includes the following steps: recording timestamp information, identifying synchronous messages, storing the timestamp information, identifying synchronous broadcast messages Sync, inserting the timestamp information, calculating the time deviation of master-slave clocks, and correcting the time of the slave clock. According to the scheme of the invention, a hardware-only one-step synchronization method is adopted, effective data signals ctrl at a reduced gigabit media independent interface (RGMII) between a data link layer MAC and a physical layer PHY are adoptedto collect accurate timestamp information, and thus the universality and synchronization accuracy of the system can be improved.

The embodiment of the invention discloses a note display method, an electronic device and a computer storage medium, which are used for displaying the handwritten notes to the user after the user completes the drawing of the handwritten notes. The method includes identifying a reading original corresponding to the handwritten note drawn on the reading page in response to a handwritten note savinginstruction of the electronic book; storing the reading original text and the handwritten notes drawn on the reading page in the note list correspondingly so that the handwritten notes and the corresponding reading original text are superposed and displayed; reading texts displayed in the notes list support streaming typesetting. The embodiment of the invention realizes the effect of simultaneously superposing and displaying the user's handwritten notes and the corresponding reading original text in the note list, and maintains the corresponding relationship between the user's handwritten notes and the reading original text. When the user views the reading notes, the drawing scene of the notes can be conveniently recalled by the user. And it can realize the secondary editing of the contents in the note list, which enriches the note function of the electronic equipment.

The invention discloses a board separator for a pneumatic FPC (Flexible Printed Circuit). The board separator comprises a base, a support, an upper die and a lower die, wherein the support and the lower die are arranged on the base; a driving air cylinder is arranged at the top of the support and is connected with the upper die; the upper die is positioned below the driving air cylinder; a plurality of cutters perpendicular to the upper die are arranged on the lower end face of the upper die; a plurality of cutter holes are formed in the lower die; the cutters and the cutter holes are in one-to-one correspondence and are mutually matched; a plurality of product positioning pins are arranged on the upper end face of the lower die; the heights of the cutters from one end to the other end are increased in stepped manner. The invention also discloses a board separating method for the FPC. According to the board separator disclosed by the invention, a plurality of holes can be punched at one time, high punching efficiency is obtained and the punching defect rate can be reduced.

The invention provides a method and apparatus for the secure electronic signing of electronic documents and data. In a preferred embodiment, a method for generating a first digital signature associated with a set of application data is disclosed. The method comprises the steps of: obtaining a first digital representation in a high level first data format of the set of application data; generating a second digital representation in a low level second data format of the application data whereby said low level second data format is different from said high level first data format; presenting an analog representation of the set of application data to a user, whereby said second digital representation is a precise and accurate representation of said analog representation; obtaining an indication whether said user approves said analog representation for signing; if said indication indicates that the user approves said analog representation for signing, generating said first digital signature over said second digital representation using a first signature key associated with the user.

The invention discloses a truck no-parking weight-calculating charge lane system and a vehicle monitoring method of the truck no-parking weight-calculating charge lane system. The weight-calculating charge lane system comprises a first coil. An antenna for detecting a vehicle electronic tag is arranged at the rear end of the first coil, and the first coil and a second coil installed on the antenna are matched to control the antenna to be opened and closed; a third coil for detecting whether vehicles are driven in or driven away a weight-calculating charge lane from the edge of the lane or not is arranged on the edge of the weight-calculating charge lane; a stop rod is arranged at the front end of a weighing region of the weight-calculating charge lane, a fourth coil for controlling the stop rod to ascend or descend is arranged at the front end of the stop rod, and a sixth coil for judging whether the vehicles pass through the lane successfully or not is arranged at the rear end of the stop rod; the antenna and the coils are externally connected with alarm and display equipment. According to the vehicle monitoring method, the travelling conditions of the vehicles on the current lane can be judged in the vehicle travelling direction on the basis of changes of the states of the coils in sequence. According to the truck no-parking weight-calculating charge lane system and the vehicle monitoring method, vehicles can continuously pass through the weight-calculating charge lane at a certain speed, vehicles which pass through the lane abnormally can be found rapidly, and therefore the weight-calculating charge lane through efficiency is improved.

The invention provides a method and a device for automatically recognizing a paper box of an automatic boxing product line. The method comprises the following steps: acquiring pattern data of detecting marks on the paper box through a detecting sensor, then processing the pattern data through an image processing system, and executing a comparison result. The device comprises a bracket of the automatic boxing product line and a conveyer belt provided with a detecting work station, wherein the front end of the conveyer belt is provided with a box storing mechanism and a box fetching mechanism which fetches the boxes to be detected one by one from the box storing mechanism and sends the boxes to the detecting work station; a camera and the image processing system connected with the camera are fixed on the bracket; and the detecting work station of the boxes to be detected is positioned in the data acquiring range of the detecting sensor. The method and the device have the advantages of good recognizing effect, convenient operation, simple equipment structure, low equipment cost and the like.

The invention provides a control system and a method for controlling output clocks of different PLLs (phase-locked loops) in a processor. The system comprises a configuration module (5), a phase position module (6), and a fine-tuning module (7), wherein the configuration module (5) is used for configuring frequency ratio of at least two clock modules (11 and 12) in the processor, so as to get the optimal frequency ratio of the at least two clock modules (11 and 12); the phase position module (6) is used for detecting the clock phase position of the at least two clock modules (11 and 12) through periodicity and calculating and monitoring the practical phase difference and the optimal phase difference; and the fine-tuning module (7) is used for judging and dynamically regulating to correct the clock frequency of the PLL of one of the clock modules, so as to guarantee the corresponding relation of the frequency ratio of the at least two clock modules (11 and 12). By adopting the invention, the output clocks of PLLs in a plurality of different clock domains is controllable, and the corresponding relation among the output clocks in the PLLs is within a controllable range.

The invention discloses a method for managing an engineering site based on unmanned vehicle aerial photography and a building information model, and the method comprises the steps: firstly building athree-dimensional building information model of the engineering site, and building engineering construction stage progress models of different stages according to an engineering progress plan and an actual completion condition; a timing unmanned aerial vehicle aerial photography system is established, and the standardization and effectiveness of aerial photography are guaranteed; performing three-dimensional display on the progress condition of the building information model; and inserting the aerial photo into an engineering construction stage progress model, adjusting the position size to enable the image to be aligned with the model, finishing an engineering site construction management model for engineering site management, and implementing monitoring management of an engineering construction site according to the model. According to the method, the aerial photography of the unmanned aerial vehicle and the building information model are combined, the same-platform browsing of the aerial photography of the unmanned aerial vehicle and the building information model is realized, the correspondence between the aerial photography of the unmanned aerial vehicle and the spatial position of the building information model is ensured, and the real-time monitoring of an engineering site construction process is realized.

The invention provides a method and system for synchronously editing the format information of a document. The method includes the steps that firstly, two kinds of format information of the document are obtained, the corresponding relation between the two kinds of format information is established, then, one kind of format information is checked according to document content, when an error is found, the wrong format information is corrected according to the document content, correction is synchronized to the other format information, and the correspondence consistency of the two kinds of format information is ensured. Ordinarily, the two kinds of format information are the typing information and the streaming information, thus, the altered content is synchronized to the information of an opposite side by editing the tying information or the streaming information, correction of double sides can be achieved through one-time editing, the corresponding relation between the tying information and the streaming information is ensured, and the problems that independent correction is complex and correction non-correspondence is likely to be generated are solved.

The invention provides an event extraction method and device, equipment and a storage medium, and the method comprises the steps: the to-be-extracted text is inputted into a pre-trained event extraction model to acquire a category label of each text unit in the to-be-extracted text; by taking the category label as an event extraction result, the event extraction model is obtained through training by taking a text sequence as a training sample and taking an event trigger word position tag of the text sequence and a category tag of each text unit of the text sequence as a first type sample tag, wherein the category label of the text unit comprises a label of an event trigger word type and an event argument type to which the text unit belongs. According to the method, event extraction can be realized, and multiple roles of the text in the event can be comprehensively identified, so that the integrity of event extraction is ensured.

An embodiment of the invention provides a coffee machine remote control method, a coffee machine and a coffee machine remote control system. The coffee machine remote control method comprises the following steps: the coffee machine sends feature information only corresponding to the coffee machine to a control end; the control end sends the obtained feature information to a server; and the server identifies the coffee machine according to the feature information and establishes correspondence control relation between the control end and the coffee machine. The coffee machine remote control method solves the problem that in the prior art, retail equipment cannot realize intelligent and remote consumption.

The invention relates to the technical field of information, and discloses an automatic generation method and system for an inquest report. The method comprises the steps of obtaining known inquest information, selecting a report template, calling the known inquest information and data information in an experience database and filling the known inquest information and the data information in the report template to generate a primary inquest report, selecting contents to be selected in the primary inquest report, and generating the final inquest report. The automatic generation method and system for the inquest report automatically generate the report, are concise and convenient to use, can verify the integrity of electronic data in real time, guarantee the authenticity of electronic evidence, and solve the inquest problems in the prior art that the electronic evidence can not be fixed on the spot, and a confession is easy to withdraw afterwards.

The invention provides a tower crane fault diagnosis system comprising a PC controller, , a PLC, a cloud server, a working condition information acquisition sensor and a tower crane operation information acquisition sensor. The working condition information acquisition sensor and the tower crane operation information acquisition sensor are connected with the PLC, the PLC is in communication connection with the cloud server through a wireless communication module, and the PLC is connected with the cloud server through a TCP / IP protocol; meanwhile, a model corresponding to the tower crane is arranged in the cloud server. When the system works, the cloud server inputs working condition information parameters into the corresponding tower crane model for analogue simulation and obtains corresponding simulation operation parameters, the simulation operation parameters are compared with the actual operation parameters and the working state of the tower crane is judged and the corresponding diagnosis result is sent to the PC terminal and the operator of the specific PLC so that the working state of the tower crane is monitored in real time, the difficulty of tower crane fault judgment is reduced and the fault judgment efficiency is also improved.

The invention provides a reording medium, a recording device, an encoding device, an integrated circuit and a reproduction output device. A pair of main view and sub-view video streams, a graphics stream, and playlist information are recorded on a BD-ROM disk. The sub-view video stream includes meta data arranged in each GOP. The meta data includes a corresponding table between offset identifiers and offset information contents. Each of the offset information contents specifies an offset control for each picture in the GOP. The offset control is processed such that respective offsets in the left and right directions on a horizontal coordinate are given to a graphics plane, which is synthesized to respective main view and sub-view video planes. The playlist information includes a stream selection table on a per reproduction section basis. In the stream selection table, when a stream number is made correspond to the packet identifier of the graphics stream, one offset identifier is additionally assigned to the stream number.

The invention discloses a transparent material defect analysis method comprising the steps of carrying out micro defect detection on a transparent material to get a defect distribution map matching a transparent material object, attaching the transparent material onto the defect distribution map through aligned overlapping, performing image scanning using a scanner to get an object-result contrast map, and analyzing the correlation between defects and the appearance of the transparent material based on the object-result contrast map. According to the method, a real image of the transparent material and intuitive contrast between the real image and the defect distribution map are acquired through the image replication function of the scanner, and then, the correlation between micro defects and problems like transparent material breakage is found out. The method is highly resistant to light interference, simple to operate and highly reliable, and has practical application value.

The invention relates to a transfusion system, which comprises a doctor information unit, a dispensing information unit, a transfusion unit and a transfusion information management unit, wherein the doctor information unit is used for a doctor to make a transfusion prescription and used for transferring information on a transfusion prescription and patient information to the dispensing information unit; the dispensing information unit is used for receiving the transfusion information and the patient information from the doctor information unit and transferring the transfusion information and the patient information to the transfusion unit; the transfusion unit is used for receiving the transfusion information and the patient information from the dispensing information unit and transferring the transfusion information and the patient information to the transfusion information management unit; the transfusion information management unit is used for receiving the transfusion information and the patient information from the transfusion unit, displaying, calling and carrying out history record management. The invention also relates to a method utilizing the transfusion system to transfuse. According to the transfusion system, transfusion parameters can be automatically transferred to a medical pump, and the corresponding relation between medicines and a patient is automatically checked, so that safety for transfusion is guaranteed.

The invention provides a micro base station locating method and apparatus. The method comprises the following steps: obtaining the own location information of a terminal; when staying at a micro base station, obtaining a signal parameter of a reference signal received by the micro base station; and determining the location information of the micro base station according to the signal parameter and the own location information. In the technical scheme, the location of the micro base station is not manually measured, and the location information can be determined through the staying terminal, thereby saving human resources and simplifying the measurement of the location of the micro base station.

The invention relates to an efficient credible electronic signature system and method based on mobile equipment. The system comprises a mobile terminal and a server, the mobile terminal comprises a real-name authentication module, a ca certificate application module and a signature module. The server comprises a to-be-signed document input module, a to-be-signed document generation module, an electronic contract generation module and a data conversion module, the to-be-signed document input module serves as an entrance for inputting a contract document, and contract content and a confirmationcontract are displayed in the to-be-signed document input module; the to-be-signed document generation module is used for document signature, signature data generation and document synthesis; the electronic contract generation module is built in the server background system, and the server background system synthesizes signature data and a contract document to generate an electronic contract witha signature; and the data conversion module converts the to-be-signed data into an encrypted character string through an encryption algorithm and transmits the encrypted character string to the mobileterminal. According to the invention, the use efficiency is improved while the credibility of the signature is ensured.

The invention discloses a medical claim payment refusing method and apparatus, a terminal device and a storage medium. The medical claim payment refusing method comprises the steps of obtaining a claim application request, wherein the claim application request comprises a case ID and current bill information, and the current bill information comprises at least one piece of current item information; based on the case ID, obtaining historical bill information corresponding to the case ID, wherein the historical bill information comprises at least one piece of historical item information; based on the at least one piece of the current item information and the at least one piece of the historical item information, judging whether the current bill information and the historical bill informationcorrespond to a same bill or not; and if the current bill information and the historical bill information correspond to the same bill, outputting payment refusing information. According to the medical claim automatic payment refusing method, whether a current bill and a historical bill corresponding to the case ID are the same bill or not can be judged; the claim application request where the same bill is located is subjected to automatic payment refusing; the accuracy of case claiming is improved; and the processing efficiency of the claim application request is improved.

The invention provides a digital currency transaction method and system based on a smart contract, and the method comprises the steps: obtaining a to-be-paid digital currency through a wallet of a payer, and obtaining the data of the smart contract; sending the transaction data to the payee wallet; receiving the transaction data the payee wallet and obtaining verification data generated by the signer; sending a transaction record to a serverby the payee wallet, wherein the transaction record comprises to-be-paid digital currency, smart contract data, a first smart contract signature, a second smart contract signature and verification data; verifying the transaction record by the server, generating signed and issued digital currency after the verification is passed, and sending the signed and issued digital currency to the payee wallet, and the verification of the transaction record comprises the steps of verifying the second smart contract signature by using the verification data and the smart contract data, verifying the first smart contract signature, and verifying the second smart contract signature by using the verification data and the smart contract data, verifying the digital currency to be paid; receiving the signed and issued digital currency by the payee wallet and storing the signed and issued digital currency.

The invention provides a card read-write and transmission system in a self-service card receiving machine. The system comprises a card feeding mechanism and a card reading mechanism. The card feeding mechanism comprises a card clipping mechanism, a card guide slot, and a driving mechanism which is used for driving the card clipping mechanism to move. The card clipping mechanism comprises a clamping assembly and a clamping driving mechanism which is used for driving the clamping assembly to clamp or release. The clamping assembly comprises an upper clamping member and a lower clamping member. A first clamping part and a second clamping part are arranged on the upper clamping member and the lower clamping member respectively. The driving mechanism comprises a transverse driving mechanism and a vertical driving mechanism. The card read-write and transmission system in the self-service card receiving machine can quickly and accurately send an identified card to the corresponding location of a card storage mechanism and a card receiving port. The card reading mechanism is combined with the card clipping mechanism, which reduces the components of the card reading mechanism. The structure of the entire self-service card receiving machine is simple. The manufacturing cost is reduced. The card transmission efficiency is improved.