46results about How to "Authenticity" patented technology

The invention discloses a security certificate method based on fingerprint, cryptographic technology and fragile digital watermark, comprising the following steps: a sender collects a fingerprint image, calculates summary information of the fingerprint image and inserts the summary information, a secret key and digital information which is digitally signed and encrypted into the fingerprint image as a watermark; the fingerprint of the sender is collected, the fingerprint image inserted with the watermark is sent to a receiver after the fingerprint of the sender is qualified; after receiving information, the receiver firstly detects and verifies whether the fingerprint image is inserted with the digital watermark and whether the digital watermark is right or not so as to indentify identity authenticity; digital watermark information is extracted from the received image; the summary information of the fingerprint image from which the watermark is extracted is calculated; and the summary information is compared with the summary information of the fingerprint image recorded in the watermark information to approve information authenticity. The invention can effectively overcome the defects that the existing digital signature security certificate can not approve the legal KEY holder and the fingerprint in the fingerprint certificate is easy to clone and embezzle.

The present invention provides an electronic forgery prevention seal manufacture method. Electronic forgery prevention seal is composed of tradition seal signature and digital signature, wherein said digital signature using digital signature algorithm to calculate to signed electronic text and signer identity representative encryption key to obtain a string of digit, then embedding this digit to tradition seal image, it being used as a part of commerce file recording in said commercial electronic documents. Said invented method generated electronic seal not only can identify electronic documentation trueness, but also paper characteristic documentation trueness generated from electronic documents.

It is possible to make decorative a material excellent in recycling feature while satisfying a requirement for industrially putting a structure color to practical use. It is also possible to easily verify whether an object is genuine or nor, and re-use by separating a hologram seal or the like is made impossible. A cavity (12) having at the interface a cyclic structure (13) causing optical diffraction is formed inside a substrate (11), and a cyclic structure (15) causing optical diffraction is formed on part or the whole of the surface of the substrate (11). The cavity interface cyclic structure (13) and the substrate surface cyclic structure (15) have regular arrangements that develop a structure color. When a functional material is allowed to contact the substrate surface cyclic structure (15), structure color development by the substrate surface cyclic structure (15) is prevented to make it possible to read a structure color developed by the cavity interface cyclic structure (13).

The invention relates to a video anti-counterfeiting monitoring device and a monitoring method, wherein the on-site monitoring camera is connected with a video anti-counterfeiting circuit board which is respectively connected with a monitor and a computer through the transmission network; the computer is installed with a video acquisition card and a displayer; and the computer receives video signals transmitted by the video anti-counterfeiting circuit board. In operation, the on-site monitoring camera collects analog video input signals, the anti-counterfeiting dynamic logo is generated through the video anti-counterfeiting circuit board, then overlaying treatment is carried out on the anti-counterfeiting logo and the on-site video signals of the channel, and the analog video signals overlaid with anti-counterfeiting dynamic logo are input onto the monitor of the monitoring center for on-site monitoring. The scheme at most has eight channels, the video is simultaneously input into the channel video collection card of the computer, and the computer is utilized to carry out automated video monitoring, recognition and anti-counterfeiting on each channel. The scheme of the invention is simple and feasible, can prevent people having ulterior motives to dismantle lines, and anti-counterfeiting video is introduced, thus the use effect is better and the invention is applicable to ordinary monitoring system.

The invention provides a wireless communication quality testing method and device based on an intelligent terminal, solving the problems that test results obtained by utilizing a testing terminal for test cannot really reflect wireless communication quality in actual using process, and tests performed by utilizing a business terminal cannot meet wireless communication quality testing requirements. The wireless communication quality testing method comprises the steps of mounting testing programs in a business intelligent terminal; generating testing tasks through set parameter values; running the testing tasks to generate key performance indicator (KPI) data; and calling a data statistics interface to perform statistics on the KPI data, wherein KPI data obtained from the statistics are used for measuring wireless communication quality. The wireless communication quality testing method and device based on the intelligent terminal utilize the business intelligent terminal to perform test, thereby being more reliable and real by being compared with test results obtained by the testing terminal, achieving an automatic statistics function of testing data, facilitating testers in finding problems quickly, being capable of automatically performing testing tasks, improving testing efficiency, and freeing human resource.

The invention discloses a manufacturing technique of a durable anti-fake rice paper. The manufacturing technique includes pulping, papermaking and paper drying; during the pulping process, a durable anti-fake material is added in the sizing agent; through papermaking, the anti-fake material is completely integrated with the rice paper, and thus the rice paper shows a specific anti-fake property; the rice paper can be rapidly and exactly identified through a special detector, so that the authenticity of painting and calligraphy works can be identified. Meanwhile, an anti-fake pattern is designed on a rice paper papermaking curtain, corresponding pattern is transferred to the rice paper in papermaking; a convex anti-fake pattern is designed on the paper drying wall; corresponding pattern is transferred to the rice paper in paper drying process; through identifying specific pattern on the rice paper, the authenticity of painting and calligraphy works can be identified.

The invention relates to the field of part anti-counterfeiting identification, in particular to a workpiece anti-counterfeiting method based on part surface image matching, which comprises the following steps of factory workpiece surface image acquisition, image filtering, surface inherent texture extraction, database generation, texture feature image matching and anti-counterfeiting identification. The invention relates to a method for extracting a surface image of a workpiece by utilizing digital microscope equipment and identifying the authenticity of the workpiece by virtue of an image processing algorithm. By means of the anti-counterfeiting method, workpiece etching can be avoided, and nondestructive identification is achieved; an additional anti-counterfeiting label is not needed, so that the anti-counterfeiting cost is reduced; and the uniqueness of the surface texture of the workpiece is utilized, so that the anti-counterfeiting safety is extremely high.

The invention discloses a position increment information issuing method and system. The method comprises the following steps: a terminal reporting position increment information; if the position of the terminal is within the preset scope of the position of position increment information, verifying the position increment information through other terminals; and if verification reaches a preset condition, issuing the position increment information. The method provided by the invention can verify the position increment information issued by a user so as to ensure the authenticity.

The invention relates to an electronic academic degree certificate data protection and sharing system based on block chains, and belongs to the technical field of block chains. According to the specific implementation scheme, the electronic academic degree certificate data protection and sharing system which is controllable by a user and coordinated by multiple departments is provided. The system is based on a Proof Of Authority (POA) consensus algorithm. Under the condition of following an existing academic degree management system, data consistency of all departments is achieved, and the data sharing efficiency is improved. Content encryption and multiple authentication are performed on the electronic academic degree certificate by using cryptographic technologies such as Hash encryption and digital signature, and high automation of academic degree awarding, auditing and verifying operations is realized by combining with an intelligent contract technology. By constructing a block chain alliance connecting an education management department, colleges, students and external users, comprehensive academic degree data sharing and academic degree certificate review are realized, and a brand new solution is provided for breaking through data intercommunication among the departments and improving privacy, security and credibility of academic degree certificates.

The invention specifically relates to a photoelectric conversion output signal compensating device, belonging to the technical field of signal processing and aiming at providing a device for improving the photoelectric conversion precision. The device is characterized by comprising a high-pass filter, an A/D (analog/digital) converter, a digital signal compensator and an adding device. In the device, the signal compensator and the adding device are utilized so as to carry self-adapting compensation on a signal, the problem of low photoelectric conversion signal precision caused by insufficient output bandwidth of the photoelectric conversion module is solved, and the quality of a photoelectric module output signal is improved. The compensated photoelectric module output signal has a better eye pattern so as to ensure the integrity of the received sine wave, so that the subsequent sampling and signal processing are more accurate and truer.

The invention discloses a power plant safety I area situation awareness platform based on a neural network, which relates to the technical field of power plant network safety and comprises an operating system, a database module, an Ethernet data acquisition module, a situation awareness module, a switching hardware driving module, a hardware switching device, an original control system and a standby control system. The system is additionally arranged on original field equipment, problem processing is carried out on a real-time production equipment layer, transaction of field communication data is captured in time, action processing is carried out within the s time level, the effect of predicting the intention of an attacker can be achieved, pre-judgment processing is carried out through the intention of the attacker, and dangerous events are prevented.

The invention relates to a verification report validity identification method, a legal service system and a readable storage medium. The method comprises the following steps: receiving an electronic file and a verification report corresponding to the electronic file; determining a verification unit corresponding to the verification report according to the digital signature in the verification report; collecting a first hash value recorded in the verification report; according to the verification unit, selecting a corresponding Hash algorithm to calculate the electronic file to obtain a second Hash value; judging whether the first hash value with the second hash value or not: if yes, determining that the electronic file is not tampered. The problems that the efficiency is low and the accuracy is poor when the validity of the verification report is verified manually at present are solved.

The invention discloses an exhaust valve plate fatigue test method and device and relates to the technical field of fatigue test. The exhaust valve plate fatigue test method is characterized in that one end of a valve plate is fixed, and the valve plate is subjected to the following circulation actions: an exhaust action: striking the free end of the valve plate with compressed air, and the valve plate is bent; and a reset action: stopping striking the free end of the valve plate with compressed air, and the free end of the valve plate is reset. Meanwhile, the invention provides an exhaust valve plate fatigue test device adopting the method above. The exhaust valve plate fatigue test method adopts the compressed air to carry out valve plate striking to enable the valve plate to be bent, so that stress condition of the valve plate can be accurately simulated, reliability of an exhaust structure and material can be evaluated really, and an accurate test result can be obtained.

The invention provides a communication network modeling method based on a communication effect. Communication models of different types are established, different communication network systems are configured, a communication network between participating entities is simulated according to the actual communication effect, and a command communication network simulation environment is built. Based onthe command communication network simulation environment, acquisition of original simulation information from a sensor can be simulated, the original simulation intelligence information is transmitted to a data fusion center through the communication network in order to be processed to form the information and is transmitted to a command post to assist to form a command decision, and a command decision command is distributed to the whole process of each combat unit through the network. According to the method, the model established according to the actual communication effect is consistent with actual communication and has authenticity, and a user can configure different communication network networks according to different simulation entities and different communication effects.

The invention discloses a multifunctional 3D printed lunar LED lamp. The multifunctional 3D printed lunar LED lamp comprises a magnetic base and a spherical bracket. The magnetic base is internally provided with an annular magnetic block and four electromagnets. A first annular coil is arranged on the inner side of the annular magnetic block; and the electromagnets are connected with a current controller. An annular bracket and an LED lamp are fixed to the inner side of the spherical bracket. A 3D printed shell is fixed to the outer side of the spherical bracket. A left convex light insulationplate, a middle flat light insulation plate and a right convex light insulation plate are fixed to the interior of the spherical bracket. Annular magnets and second annular coils are fixed to the annular bracket by embedding grooves. Rotating baffles are arranged on the magnetic base, thereby providing convenience for placement and preservation of the lunar LED lamp. The lunar LED lamp has the function of lighting up and sound. LED can simulate five forms of the moon, appreciation and authenticity are achieved, and teaching significance is achieved. The lunar LED lamp can float in the air, and can rotate in the vertical plane under different suction states of electromagnets, thereby simulating rotation of the moon. Wireless charging is achieved and a shell protects inner structure of thelunar LED lamp.

A simulated rocket multi-output experiment device comprises a support, propellers and a simulated carrying cabin. The propellers and the simulated carrying cabin are arranged on the support; the propellers comprise distributed propellers; the plurality of distributed propellers are uniformly arranged on the outer side of the simulated carrying cabin, and each distributed propeller comprises a motor and a propeller arranged on the motor, or each distributed propeller is a turbojet engine; and guide plates capable of swinging are arranged at the bottoms of the distributed propellers. According to the simulated rocket multi-output experiment device, through the arrangement of the distributed propellers, the thrust and direction of the propellers can be accurately controlled by controlling therotating speed of the motors, adjusting the angles of the flow guide plates, swinging the directions of the propellers and other means, and the implementation effect is good; the simulated propellerby adopting the motors and the propellers is very close to the real stress state of a rocket, and is completely feasible for researching, demonstrating and verifying a multiple-input-multiple-output system.

The invention discloses an electronic evidence storage method and system based on a block chain. The method comprises the steps that an electronic evidence is generated, and a user uploads electronicdata to a blockchain electronic evidence storage system; the block chain electronic evidence storage system encrypts the electronic data and stores the electronic data on a block chain; meanwhile, according to abstract information in the electronic data, a corresponding electronic evidence is generated; and association between the electronic evidence and the electronic data is established. The system comprises a data uploading module, an encryption storage module, an electronic evidence generation module and an association relationship module. the problem that electronic data is easy to lose and tamper in the prior art is solved, the uplink data cannot be tampered and stored in an encrypted mode, data storage safety is guaranteed, and high availability and traceability are achieved. By means of the block chain programmable intelligent contract technology, under the condition that conditions are met, a related electronic protocol can be executed through an intelligent contract, and theexecution cost of the protocol is reduced.

The invention discloses a creation method and a detection method for a fingerprint spectrum of a compound holly bark preparation. The creation method comprises the following steps: (1) preparing reference solutions, that is to say, preparing a syringin reference solution and an alpha-cyperone reference solution from methanol respectively; (2) performing reflux or ultrasonic extraction by methanol with the volume fraction being 50-70%, and preparing a test solution of the compound holly bark preparation; (3) precisely sucking the test solution and the reference solutions respectively, injecting the sucked test solution and reference solutions into a high-performance liquid chromatographic instrument, and performing testing by adopting specific chromatographic conditions. The fingerprint spectrum created with the creation method has 19 characteristic common peaks, so that the physical and chemical characteristics of the compound holly bark preparation can be comprehensively represented and the one-sidedness of integral quality judgment of the compound holly bark preparation due to measurement of one or two chemical components is avoided; moreover, the creation method has the advantages of simplicity and convenience for operation, stable result, high precision, good reproducibility and the like.

The invention discloses a block chain cloud management method based on a consensus mechanism. The method comprises the steps of data collection, database, special node selection, data analysis, data authenticity judgment, data statistics, data storage and data deletion. According to the method, special nodes are designed to judge and count the data, so that the authenticity of the data can be roughly judged, and the authenticity of the database is improved.

The invention provides a novel anti-counterfeiting device for silicone rubber particles. The novel anti-counterfeiting device comprises a manipulation platform, a light collection tank, a control unitand a power supply, wherein a placement board is mounted on one side of the manipulation platform through bolts, the light collection tank is arranged on the placement board, a laser device I and a laser device II are arranged on one side of the light collection tank and are connected with the light collection tank through optical fiber light condensing pipes, a cavity is formed in the light collection tank, and an enoscope is mounted on the inner wall of the cavity; an operation plate is mounted on the manipulation platform through bolts, and a processing disc is arranged on the operation plate; an electric motor is mounted in the manipulation platform through bolts, a speed reducer is mounted on an output shaft of the electric motor, and the processing disc is mounted on the output shaft of the speed reducer; and a baffle ring piece is welded to the processing disc, and a stamp marking slot is formed in the baffle ring piece. The anti-counterfeiting device is novel in design and reasonable in structure, helpful for distinguishing true and false silicone rubber and beneficial to the maintenance of market safety.

The invention discloses a bill counting and storing system and a working method thereof, and relates to the technical field of bills. The bill counting and storing system comprises a bill inlet part,an authentic identification part, a printing part, a sorting mechanism, a bill dishonouring part and a bill box, wherein the bill inlet part is used for correcting bills and judging whether the thicknesses of the bills are qualified or not; the authentic identification part is used for identifying the bills and judging authenticity of the bills, and is connected with the bill inlet part; the printing part is used for conducting double-side printing on the bills and connected with the authentic identification part; and the bill dishonouring part and the bill box are connected with the sorting mechanism, the sorting mechanism is connected with the printing part, the bill dishonouring part is used for recovering the unqualified bills, the bill box is used for storing the qualified bills, andthe sorting mechanism is used for conveying the bills to the bill dishonouring part or the bill box according to judgment results of the bill inlet part and/or the authentic identification part. The bill counting and storing system has the functions of detecting the thicknesses of the bills, identifying the authenticity of the bills and printing the bills.