40results about How to "To achieve the purpose of traceability" patented technology

The invention discloses a method for automatically tracing the source of groundwater pollutants in a site, including: A. Obtaining the shortest time for pollutants to travel from the main test hole to each observation hole in the main direction through a dispersion test; In order to calculate the longest distance and the shortest distance that pollutants may reach from the pollution source point to the downstream during the interval between two monitoring under different hydraulic gradients; B. Construct a half-space model applicable to the target area, divide Half-space Ai, Ai', determine the effective search half-space; C. In the half-space Ai' with attribute flag (A) = 0, lock the scope of the pollution source; D. Compare the monitored pollutants with the characteristic pollutants within the scope of the pollution source Carry out a comparison to locate the source of pollution. The method of the present invention mainly uses the parameters obtained from the dispersion test to conduct superposition analysis of multiple half-space models centered on pollutant monitoring holes and possible pollution devices, and uses the method of elimination and induction to eliminate interference items to achieve the purpose of source tracing.

The invention provides a bluetooth module production test system and method, belonging to the field of bluetooth module test. The present invention solves the problem that the current Bluetooth module needs to be tested with the help of a corresponding Bluetooth test device, the test cost is high, and the test process is cumbersome. Module, power supply and PC host computer, the bluetooth module to be tested are all used to connect with the power supply, the bluetooth module is respectively connected with the power supply and the PC host computer, and the specific test firmware is written in the bluetooth module; The method is mainly to use the specific test firmware in the Bluetooth module to capture the MAC address and signal strength in the broadcast packet sent during the production test of the Bluetooth module to be tested in real time, and send the captured MAC address and the corresponding signal strength value to the PC upper computer software, the upper computer software judges whether it is within the specified parameter range, if it is, it will display that the Bluetooth module to be tested is qualified, if not, it will alarm.

The invention discloses an anti-counterfeit traceability system for bottled water. Based on the existing water dispenser and bottled water bucket, a user's electronic tag reader is added to the water dispenser, and an electronic tag is implanted in the bottled water bucket at one time. The electronic tag reader writes the production information of bottled water, and then the bottled water reaches the user through the circulation link (dealer). After use, the user's electronic tag reader writes the user's usage information into the electronic tag, and the electronic tag Only the manufacturer can clear the user usage information, so that it is impossible for the circulation link to illegally fill the used buckets, thus playing an anti-counterfeiting effect. Users can know the production information of bottled water, so as to achieve the purpose of traceability. Due to the mutual authentication, dealers cannot copy or forge electronic labels, thereby improving the anti-counterfeiting effect.

The invention discloses an Internet-of-thing anti-counterfeiting and anti-theft package box and an application method thereof. A control device, an information acquisition device and a locking device are arranged in the package box. The control device is connected with a long-range monitoring center through a network, the monitoring center receives an operating request of a user with respect to the package box, and after the identity of the user is verified, a locking or unlocking instruction can be sent to the locking device through the control device. The information acquisition device sends the parameter information of the package box and goods in the package box to the monitoring center through the control device, and the monitoring center records the relevant information of the package box when an abnormal condition happens. Due to the fact that the package box is unlocked and locked through the far-end monitoring center, the unlocking or locking request has to be authenticated through the monitoring center, the probability that the goods can be maliciously opened in the transporting process is lowered, real-time tracking and monitoring can be achieved on the transported goods through the package information acquired by the information acquisition device, and the problem that packages are lost can be solved.

The invention relates to the technical field of network security, in particular to a data packet marking-based traceability method and a data packet marking device. The data packet marking device includes a memory connected to a processor, the processor includes a data message input module and a data message output module, and the data message input module and the data message output module are connected to the data message traceability marking module, The address conversion module and the data message traceability mark removal module, the data message traceability mark module is connected to the data message mirroring module, and the data message mirroring module is connected to the audit system by communication, providing a data-based audit system that can realize real-name auditing of Internet traffic logs A traceability method for packet marking and a data packet marking device.

A calibration detection device for a time ampere meter comprises a calibration detector, wherein the calibration detector comprises a display module, an MCU, a timing module, a DA module, a voltage source module, a current pump module, an output protection module, a sample resistance module, an AD module, a communication module, a storage module and a keyboard module. An LED display screen, a time tracing port, a current tracing port, a current output port, a current input port, a communication port and a keyboard are arranged on a control panel of a casing body and connected with interfaces of the calibration detector correspondingly through flat cables. The calibration detection device is capable of performing calibration detection on the time ampere meter, convenient to use and high in detection accuracy.

The invention discloses a network tracing method capable of acquiring information in a cross-domain way based on JSONP (JavaScript Object Notation with Padding). Through adoption of the method, the cross-domain limitation of a browser is broken through by a JSONP technology; a traced target can execute JS codes in a non-inductive state, and access JSONP interfaces of different websites; relevant information of the traced target is acquired, so that the aim of network tracing is analyzed and fulfilled under the support of more comprehensive information, and an additional network tracing measure is provided; and moreover, acquisition of target information is not influenced by a proxy, and the effect of penetrating through the proxy is achieved.