33results about How to "Protect trade secrets" patented technology

The invention discloses a (hotel, community or family) video-on-demand system. The video-on-demand system comprises a center server, a node server and a user terminal, wherein the center server is used for storing video information; the node server is used for establishing communication with the center server through a network so as to obtain at least one part of the video information and generating a programme list according to the video information; the user terminal is used for reading the programme list and displaying the programme list through display equipment; and when a user orders a corresponding programme, the user sends a video-on-demand request to the node server, reads corresponding decoded video information and plays the information through the display equipment. In the video-on-demand system, as each (hotel, community or family) node server is connected with the center server through the wide area network, thereby realizing network operation of the whole video-on-demand system. The video-on-demand system can carry out programme distribution and management through the network, thereby making the distribution and management operation simple and feasible and also improving efficiency.

The invention provides an electronic label safety system of performing true or false identification. The electronic label safety system includes a label and a reading identification device, wherein storage media are included on the electronic label and have unique identification UID, and information of the commodities are written on the electronic label. A private key is used to encrypt UID of the label and information of the commodities, to obtain the electronic label. The identification equipment is read for the UID of the label, the information of the commodities and the electronic signature. A public key is used to decrypt the electronic signature to obtain the UID of the label, wherein the anti-counterfeiting identification is not passed.

The invention discloses a commodity anti-counterfeiting traceability method, which comprises the following steps: S1, obtaining the information to obtain the identification information of the terminal, confirming whether the terminal has the operation authority, if so, executing the step S2; S2, obtaining the identification information of the terminal, confirming whether the terminal has the operation authority or not. S2, obtaining commodity information and commodity circulation information written in the information obtaining terminal, associating the commodity information and commodity circulation information with the commodity traceability code, and uploading the commodity information and commodity circulation information to the block chain; S3, receiving an access instruction issued by the access terminal, wherein the access instruction includes an identification traceability code, obtaining commodity data of a corresponding commodity on a block chain according to the access instruction, and pushing the commodity data to the access terminal, the commodity data including commodity information and/or commodity circulation information. The invention is based on the internet of things technology to directly dock the service data, realizes decentralization by using the block chain technology, effectively prevents human intervention and counterfeiting, ensures the commercial secrets of each enterprise, and makes the commodity anti-counterfeiting traceability system stable and reliable.

The invention relates to a pharmaceutical information tamper-proof traceability management system based on a mobile block chain, characterized by comprising a block chain module, a pharmaceutical barcode input module, a query module, a certificate center module, a mobile device terminal for connecting the block chain module through a mobile block chain API, a database module for reading and storing data and a front-end technical module for realizing data visualization. The pharmaceutical bar code input module encrypts the privacy data of the drug and the enterprise through the public key andstores the read bar code data into the block chain module through the first intelligent contract, and the query module reads the privacy and public data in the block chain module through the private key and the second intelligent contract. The invention realizes the tracking of the drug supply chain and the visualization of the data, and guarantees the transparency of the drug supply chain. The mobile block chain API not only enables the mobile device to participate in the network governance and transaction information verification as a node in the block chain network, but also can access thedata on the storage chain, thereby improving the convenience.

Provided is a food safety traceability system capable of preventing archive from being tampered. The food safety traceability system comprises a food archive database and a monitoring device. The monitoring device comprises an encryption module, an information sending module and a file monitoring module. The encryption module calculates integrity checking information of electronic archives and transmits the integrity checking information to an information reception module of the food archive database through the information sending module; and the file monitoring module is set to carry out monitoring on archive file establishing, modifying and deleting operation. A processing module comprises a storage module, wherein the storage module is for storing names of monitoring food and food motoring steps as well as identification information of the monitoring food; and an identification identifying module, wherein the identification identifying module is for identifying identification information of food main bodies. The food archive database also comprises a data input module, a data storage module and a data query module for querying integrity checking information of the electronic archive files.

The embodiment of the invention relates to a method and apparatus for multilevel transaction based on a block chain. The method includes: determining a first-level transaction contract and recording the first-level transaction contract on the block chain, wherein the first-level transaction contract comprises a first account, a second account, and first information of a target project, the first account is an entrusting party of the target project, and the second account is an undertaking party of the target project; and determining a second-level transaction contract and recording the second-level transaction contract on the block chain, wherein the second-level transaction contract comprises a second account, a third account, and second information of a transaction project, the second account is the entrusting party of the target project, the third account is the undertaking party of the target project, and the first-level transaction contract is invisible to the third account on theblock chain. According to the method and apparatus, the security of transaction information is improved, and risks of leakage of the transaction information are reduced.

The invention relates to the technical field of mobile laser radar data processing, in particular to a vehicle-mounted point cloud ground point extraction method and a storage medium, and the method comprises the steps: S1, carrying out the section segmentation of a point cloud based on a track, and building an ordering organization algorithm which can be suitable for single-line and multi-line point cloud data; s2, on the basis of geometric feature differences of point clouds in the sections, road surfaces are extracted from the sections one by one by applying a moving least square method to serve as seed planes for automatic extraction of ground points; s3, according to similar geometric features of similar target point clouds of adjacent sections, optimizing a road boundary by using a moving least square method, and taking the road boundary as a seed point of subsequent ground filtering; and S4, establishing a cylindrical coordinate system section by section, analyzing the distribution rule and geometric features of the remaining non-road surface point clouds, and extracting and refining ground points by constraining the geometric features of the point clouds in the sections. According to the invention, the technical problems of low precision, slow speed and poor applicability of the vehicle-mounted LiDAR point cloud ground point extraction method are solved.

Embodiments of the invention disclose a personnel management method for utilizing talkback equipment to carry out public network talkback. The method comprises the following steps of registering the talkback equipment to a server, associating the talkback equipment with personnel information and binding the talkback equipment with the server; distributing an identifier to the talkback equipment bound with the server; and adding the talkback equipment distributed with the identifier into an enterprise channel of a predetermined public network. The embodiments of the invention also disclose a personnel management device for utilizing the talkback equipment to carry out public network talkback. According to the method and the device, the talkback and the management are carried out in the enterprise channel in the usage scenarios of an enterprise, so that the user experience is improved while the trade secret of a company is protected.

The invention discloses a data circulation method, device and system, a storage medium and a server. The method comprises the following steps: receiving a first information main body identifier and anassociated value thereof pre-loaded by a data supplier; receiving a second information main body identifier and a query request sent by a data demander; and performing querying according to the second information main body identifier in the pre-loaded first information main body identifier and the associated value thereof to obtain at least part of a query result of the second information main body identifier, and sending the at least part of the query result to the data demander. Leakage of commercial confidentiality of a data demander can be effectively avoided.

According to the privacy calculation system and method for the total driving duration of the online car-hailing driver and the application, a time sequence database is used for synchronizing driver order dispatching data corresponding to an online car-hailing platform in real time; the privacy computing center end receives a driver working time query request; the plurality of privacy computing access ends are used for receiving the privacy computing request sent by the privacy computing center end, forming a computing task and sending the computing task to the time sequence database; the time sequence database is used for reading corresponding data based on the calculation task and calculating; the privacy computing access end reads a computing result of the time sequence database; a calculation result is sent to a privacy calculation center end; and the privacy calculation center end accumulates the calculation results sent by the privacy calculation access ends to obtain the total working time length of the driver in the specific time period. According to the invention, the calculation of the total driving duration of the cross-platform online car-hailing driver is realized, and the privacy data and the commercial secret of the online car-hailing company are protected through privacy calculation.

The invention provides a WIFI-based secrecy conference system, which mainly comprises a storage system, a conference sign-in system, a file sending system and a data secrecy system. The WIFI-based secrecy conference system enables participants to sign in for the conference and register the participation time by using WIF through the conference sign-in system so as to save the time of the participants; and the WIFI-based secrecy conference system can also record the late arrival, early departure and halfway departure of the participants according to the WIFI registration time, there is no needto arrange workers for field supervision which spends a lot of labor cost. In addition, the WIFI-based secrecy conference system avoids the circumstances that non-participants ask for the confidentialbusiness conference data and the like by means of face recognition and conference data encryption and watermarking through the file sending system and the data secrecy system, all participants to which the data belongs can be checked, and thus business secretes of enterprises are protected.