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32results about How to "Large amount of stored information" patented technology

Fingerprint information hiding and verifying method based on two-dimensional bar code

The invented method includes the following steps: firstly, collecting fingerprint image, making characteristics extraction, encryption processing, printing it on the two-dimensional bar code, concealing the fingerprint information into two-dimensional bar code; collecting two-dimensional bar code image, making image segmentation, filtering, geometric correction and layered pretreatment, identifying and decoding said bar code image to obtain the loaded encrypted information, deciphering said encrypted information to obtain fingerprint characteristic information loaded in two-dimensional bar code, comparing said information with field fingerprint information, making detection so as to implement anti-false authentication of fingerprint.
Owner:XI AN JIAOTONG UNIV

Industrial production line management system and method based on two-dimensional code technology

The invention relates to the information management technology field and particularly relates to an industrial production line management system and method based on the two-dimensional code technology. The system comprises an enterprise system management unit, and a workshop production management unit and an inspection management unit which are in wireless connection with the enterprise system management unit, wherein the enterprise system management unit comprises a control host computer and an enterprise data terminal, the workshop production management unit comprises two-dimensional code labels and a mobile terminal module, the two-dimensional code labels are generated on the control host computer, a production worker management module and a cutting welding operation management module are further comprised, and the inspection management unit comprises a mobile terminal module, a quality inspection worker execution management module and an inspection management module. The system is advantaged in that the large information storage content is realized through the two-dimensional label technology, and the fast acquisition speed is realized.
Owner:SHANDONG HUAYU AEROSPACE TECH CO LTD

Feature invariants based remote sensing image watermark method

The invention discloses a feature invariant based remote sensing image watermark method which is directed at overcoming the incompatibility between anti-geometric attack and anti common image processing attack of the DCT algorithm and at the same time fully exhibits the advantages of 2D code, such as large storage information amount and strong error correction. The method includes the following steps: looking for invariants in 8 x 8 subblocks converted by the DCT algorithm, calculating embedded watermark information bits by using a mapping function in combination with the invariants, marking an initial position of each 8 x 8 subblock with intermediate frequency coefficients. In the process of watermark detection, image blocks containing watermark information can be located in a rapid and accurate manner through the determination of a feature location region. According to the invention, features of pixel digital numbers of remote sensing images before and after the geometric attack are fully utilized to address the problem of desynchrony of watermark information, which substantially increases robustness of the DCT algorithm, addresses the problem of inability of current remote sensing image digital watermark algorithm to resist cropping attacks, and effectively protects copyright of remote sensing image data.
Owner:NANJING NORMAL UNIVERSITY

Nonvolatile charge capture type storage device, preparation method thereof and application

The invention relates to a nonvolatile charge capture type storage device, a preparation method thereof and application. The preparation method is characterized by simple operation and easy control. The nanometer microcrystalline as a storage medium has a uniform distribution in the storage device obtained. The preparation method of the nonvolatile charge capture type storage device comprises thefollowing steps: a) forming a tunneling layer on the substrate surface; 2) forming a uniform (ZrO2) x (M) 1- x film as an accumulation layer on the tunneling layer, wherein x is larger than 0.5 and less than 1 and the M is SiO2 or Al2O3; c) forming a barrier layer on the accumulation layer; d) annealing the sample prepared and precipitating the ZrO2 nanometer microcrystalline from the accumulation layer to be the storage medium. According to the invention, a means of high temperature annealing processing is used to precipitate the ZrO2 nanometer microcrystalline from the accumulation layer parent phase, thereby realizing an effect of nanometer microcrystalline storage. According to the method, the nanometer microcrystalline obtained as the storage medium has a uniform distribution in the amorphous parent phase.
Owner:NANJING UNIV

Storage materials and application storage materials in nonvolatile charge trapping type memory device

InactiveCN103426920AFunction as a storage mediumEasy to makeSolid-state devicesSemiconductor devicesMixed oxideTrapping
Provided are charge storage materials in a nonvolatile charge trapping type memory device. The storage materials are mixed oxide materials, namely, (CuO) x (Al2O3) 1-x mixed oxide materials, and the value of x is 0.1-0.8. The invention further discloses the application of the charge storage materials in the nonvolatile charge trapping type memory device. According to the structure of the nonvolatile charge trapping type memory device, a tunneling layer Al2O3 / a storage layer film (CuO) X (Al2O3) 1-x / a barrier layer Al203 is grown on a semiconductor substrate in sequence, (CuO) x (Al2O3) 1-x is a storage layer, and CuO nanocrystalline obtained from the charge storage materials (CuO) X (Al2O3) 1-x through annealing has the function of storing dielectric materials.
Owner:NANJING UNIV

Container electronic seal and freight transportation real-time monitoring method

InactiveCN101482932AReal-time monitoring of the whole transportation processTransportation real-time monitoringStampsCo-operative working arrangementsTransport engineeringPeripheral
The invention provides a real-time monitoring method for goods transportation comprising steps of receiving goods information through a wireless module from an external device and transmitting the information to a main control unit which then processes and stores the received information; connecting an anti-detachment module to the main control unit, wherein the anti-detachment module is arranged to be linked with a packing box door so that the anti-detachment module has an open circuit to send a high electric level once the packing box door is open and the main control unit simultaneously stores the detachment information; during transportation, the wireless module always works and sends the information stored in the main control unit to the external device. Real-time monitoring for the whole goods transportation process is finished by the method.
Owner:SHANGHAI SUPER ELECTRONICS TECH

Method and device for storing multilevel menu content and network communication terminal

The invention is suitable for the field of network communication, and provides a method and a device for storing multilevel menu content and a network communication terminal. The method of the invention comprises the following steps: extracting the multilevel menu content accessed by a user; and storing the extracted multilevel menu contents in a tree structure. The invention adopts the tree structure for storing the multilevel menu contents and has a large information storing capacity; and the classified information stored in the tree structure is the same with the classification on a server, and can be conveniently accessed and searched by the user, thus reducing the network flow of the user and saving the time of the user.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD

Barcode structure and barcode encoding method

A barcode structure includes at least one symbolic element row and a frame arranged at a periphery of the at least one symbolic element row. Each symbolic element row has multiple symbolic elements. Each symbolic element has different color from its adjacent symbolic elements, and the color of the frame is different from that of any symbolic element. A barcode encoding method includes: establishing multiple color combinations where a color of a frame is excluded, and each color combination comprising a main color and a sub color; performing a symbolic element row establishment procedure, which includes using a reference color as a color of a first symbolic element of a symbolic element row; deleting color combinations where the reference color is used as a main color; and selecting a color combination from remaining color combinations for coloring two symbolic elements that are sequentially connected with the first symbolic element.
Owner:IND TECH RES INST

RFID blood management system

The invention discloses an RFID blood management system, relates to the technical field of blood management, the system comprises a blood collection unit, the blood collection unit is wirelessly connected with an RFID tracking unit and a blood management unit; wherein the blood management unit is wirelessly connected with the blood detection unit, the blood use unit, the blood preparation unit, the blood cold chain storage unit and the blood query unit, and the RFID tracking unit is wirelessly connected with the blood detection unit and the blood use unit. According to the invention, the RFIDelectronic tag is adopted to carry out blood comprehensive management; the RFID electronic tag is not easy to damage or lose, large in storage information and easy to check, the working efficiency ofblood station workers can be effectively improved, meanwhile, blood can be comprehensively monitored through the RFID electronic tag, the whole process from blood sampling to blood using is transparent, and comprehensive management of the blood is facilitated.
Owner:李飞

Image block encryption method and system based on chaos and computer-generated holography

The invention provides an image block encryption method and system based on chaos and computer-generated holography, and solves the problem that, in the prior art, an image encryption mode cannot balance encryption security and encryption operation flexibility. The technical scheme of the invention is characterized in that: firstly, three-channel decomposition is performed on a to-be-encrypted plaintext image; three single-channel grey-scale maps are segmented into sub-images with the same size; a part of the sub-images are randomly selected, a pseudo-random sequence is generated based on a hyper-chaotic system, pixel scrambling is performed on the sub-images, and then pixel diffusion is performed, wherein scrambling and diffusion operations improve the decoding difficulty, and, in addition, a block encryption technology is used in the process, and therefore the encryption key space is larger, and the effect is better; remaining sub-images are then converted into a hologram by using a phase restoration GS algorithm in a computer-generated hologram, wherein the process of converting the remaining sub-images into the hologram is another encryption process. Thus, the operation in a computer system is easy, and the encryption operation flexibility is also improved.
Owner:GUANGDONG UNIV OF TECH

Electronic label for container with electronic seal, and capable of positioning container

A container electronic countermark with container positioning and electronic seal function is prepared as setting said countermark under door buckle at right side of container door positive surface, inserting lock pin of said countermark into container door handle and hole of door seal turnover plate and using lock cap to lock said lock pin tightly, using microprocessor to record information of door opening / closing and using non-touch means to record information of goods transportation and logistic tracking as well as door seal, setting GPS on said countermark for identifying position of container.
Owner:SHANGHAI INTERNATIONAL PORT

Automatic information identification system of optical detection etalon

The invention discloses an automatic information identification system of an optical detection etalon, which relates to the technical field of a measuring unit. The system comprises a plurality of radio frequency identification device (RFID) chips, an RFID reader and a computer, wherein the RFID chips are arranged in each optical etalon required by optical detection and correspondingly store the sequence number information of the etalon; the RFID reader is connected with a computer; when the optical etalon which is integrated with the RFID chip is installed on an interferometer host, the RFID reader reads sequence number information in the RFID chip; the detailed information of the optical etalon corresponding to the sequence number is found from an etalon database stored by the computer; required parameters are led into relevant processing software; and meanwhile, parameter supplementary analysis is combined to select an optimal etalon. According to the automatic information identification system of the optical detection etalon, optical detection efficiency and measurement precision are improved, and the requirements on the technical level of inspection personnel can be lowered.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Ceramic authentication traceability two-dimensional code association platform

The invention relates to a ceramic authentication traceability two-dimensional code association platform. The platform comprises a platform registration and admission system; an authentication certificate and a two-dimensional code generation system; A ceramic product physical information acquisition and management system. Provided is a certificate making and managing system for ceramic products.According to the invention, a modern advanced electronic information technology is adopted to realize one-to-one correspondence, an identity file is established for each ceramic product, and an information management platform which can be managed and checked at any time is constructed, so that the authority of a management institution is facilitated.
Owner:九江微盟信息技术有限公司

Portable instant communication information exchange system

InactiveCN101938431BFast and timely deliverySolve the shortcomings of only one data transmission methodNear-field systems using receiversData switching networksNetwork terminationInformation access
The invention relates to a portable instant communication information exchange system which comprises at least one handheld terminal and a portable network terminal which are connected, a main chip and a transmission module which are connected are arranged in the bodies of the handheld terminal and the network terminal both, the transmission module in the handheld terminal comprises a Bluetooth unit, an RF (Radio Frequency) unit and a USB interface, the transmission module in the portable network terminal comprises an RF module and a network interface, the RF unit is connected with the RF module, the handheld terminals are connected with the Bluetooth units, the handheld terminal also comprises a display screen, a battery, a storage module and a keyboard which are all connected with a main chip, the network terminal also comprises a display screen, a battery and a storage module which are all connected with the main chip. The portable instant communication information exchange system can acquire information accessed in the system anytime and anywhere; in addition, since four transmission modes of radio frequency, Bluetooth, USB and network interface are adopted, information can bereceived and transmitted more conveniently.
Owner:曾晟 +1

Automatic and centralized visitor filing and inquiring system for museum

The invention discloses an automatic and centralized visitor filing and inquiring system for a museum. The automatic and centralized visitor filing and inquiring system comprises an upper management host arranged in an upper monitor room of the museum, multiple inquiry hosts for inquiring registered filing information of visitors and multiple automatic filing extension sets respectively arranged at a visit channel inlet, a visit channel outlet and important monitoring area inlets in the museum, wherein each automatic filing extension set comprises a filing registration table and a video acquisition unit arranged above the left of the filing registration table; each filing registration table is provided with an ID card scanning mechanism, a fingerprint information entry unit, an ID number input keyboard, a video processor, a registered filing information storage unit, a clock circuit and a data processor. The system disclosed by the invention has the advantages of reasonable design, simplicity and convenience in use and operation, large amount of stored information, high intelligence degree and good using effect, and can realize automatic and centralized filing of the information of all visitors; the filed information is complete, and later inquiry and evidence collection are very convenient.
Owner:XIAN KUOLI MACHANICAL & ELECTRICAL TECH

Nonvolatile charge capture type storage device, preparation method thereof and application

The invention relates to a non-volatile charge trapping memory device, its preparation method and application. The preparation method is simple to operate and easy to control, and the nanocrystals used as storage media in the obtained memory device are evenly distributed. The preparation method of the non-volatile charge trapping memory device includes the following steps: a) forming a tunneling layer on the surface of the substrate; b) forming a uniform composition of (ZrO2)x(M)1-x on the tunneling layer The thin film serves as a storage layer, where 1>x>O.5, and M is SiO2 or Al2O3; c) form a barrier layer on the storage layer; d) anneal the sample prepared above to make ZrO2 nanocrystals from the storage layer Precipitated as a storage medium. The present invention uses high-temperature annealing treatment to precipitate ZrO2 nanocrystals from the mother phase of the storage layer, thereby achieving the effect of nanocrystal storage. The nanocrystals used as storage media obtained by this method are evenly distributed in the amorphous mother phase.
Owner:NANJING UNIV

Internet of Things and intelligent greenhouse control method

The invention discloses an internet of Things and intelligent greenhouse control method, and relates to the technical field of internet of Things. The control method includes the steps that a wireless sensor network technology is used for data collection and control, Inter net remote access and control, GPRS network remote access and control, video monitoring and data display are carried out through an embedded gateway, data transmitted by a wireless sensor network is stored in a database through the embedded gateway to be managed uniformly and distributed according to needs, the embedded gateway drives a touch screen liquid crystal displayer to complete display of real-time data and historical data display and drives a USB camera to complete video monitoring, and the embedded gateway shares the data with a PRS network through a GPRS module and shares the data with the Inter net through a wireless local area network card and a wireless router. The internet of Things and intelligent greenhouse control method has the advantages that internet of Things and greenhouse control are completely fused, full-intelligent control is adopted in greenhouse control, data collection is accurate, information storage volume is large, and use is convenient.
Owner:ANHUI LONGCOM INTERNET OF THINGS

Ultrahigh frequency metal RFID signboard

The invention discloses an ultrahigh-frequency metal RFID (radio frequency identification) signboard, which sequentially comprises a metal signboard, a first double-faced adhesive tape layer, an antenna grounding layer, a second double-faced adhesive tape layer, an insulating medium layer, a third double-faced adhesive tape layer, an antenna chip layer and a fourth double-faced adhesive tape layer from top to bottom, and is characterized in that the metal signboard is adhered to the antenna grounding layer through the first double-faced adhesive tape layer; the antenna grounding layer and the antenna chip layer are separated by filling an insulating medium layer, the antenna chip layer is adhered to a managed object through a fourth double-faced adhesive tape layer, the microstrip antenna is characterized in that the antenna grounding layer and the antenna chip layer are conducted through a side face conduction layer to form a microstrip antenna structure, a chip is arranged at the bottom of the microstrip antenna structure, and the antenna grounding layer and the antenna chip layer are connected through a second double-faced adhesive tape layer. And the metal signboard is conducted with the antenna grounding layer at the upper part of the microstrip antenna structure. By means of the mode, holes or excitation holes do not need to be formed, the integrity of the metal layer is guaranteed, and meanwhile the impact resistance of the metal layer is greatly improved.
Owner:泰芯智能科技(昆山)有限公司

Embedded double two-dimensional code information secrecy method

InactiveCN109344943AIncrease the number of combinationsEnlarging the password spaceDigital data protectionRecord carriers used with machinesProgramming language
The invention discloses an embedded double two-dimensional code information secrecy method, comprising a scanning code client, a large two-dimensional code and a small two-dimensional code, wherein the large two-dimensional code is used for carrying the text content to be issued, the text content is T, the small two-dimensional code is used for carrying the verification information, the verification information is P, and the method further comprises the following steps: A, coding and encrypting; B, decode and decrypting.
Owner:合肥译码智能科技有限公司

A Watermarking Method for Remote Sensing Image Based on Feature Invariant

The invention discloses a feature invariant based remote sensing image watermark method which is directed at overcoming the incompatibility between anti-geometric attack and anti common image processing attack of the DCT algorithm and at the same time fully exhibits the advantages of 2D code, such as large storage information amount and strong error correction. The method includes the following steps: looking for invariants in 8 x 8 subblocks converted by the DCT algorithm, calculating embedded watermark information bits by using a mapping function in combination with the invariants, marking an initial position of each 8 x 8 subblock with intermediate frequency coefficients. In the process of watermark detection, image blocks containing watermark information can be located in a rapid and accurate manner through the determination of a feature location region. According to the invention, features of pixel digital numbers of remote sensing images before and after the geometric attack are fully utilized to address the problem of desynchrony of watermark information, which substantially increases robustness of the DCT algorithm, addresses the problem of inability of current remote sensing image digital watermark algorithm to resist cropping attacks, and effectively protects copyright of remote sensing image data.
Owner:NANJING NORMAL UNIVERSITY

Phase modulation type holographic storage and reproduction method and storage and reproduction device

The invention belongs to the technical field of information data storage, and discloses a phase modulation type holographic storage and reproduction method and a storage and reproduction device, and the method comprises the steps of enabling a reference light beam to be converted into an annular reference light beam which surrounds the exterior of an information light beam and is coaxial with theinformation light beam through a spatial modulator during the information storage; using two-dimensional phase modulation data pages for the information light beams, and using regularly-distributed two-dimensional patterns for the reference light beams; converging the reference light beam and the information light beam at a convergence point through a first convex lens; placing a recording mediumat the convergence point; during information reproduction, installing a light splitting component on a light path before a reference light beam reaches a first convex lens, and installing a receivingdevice on an optical axis of the component in the reflection direction, so that data recorded by three-dimensional holography is reproduced on the receiving device; according to the invention, the storage density is improved, the dynamic range of materials is reduced, the signal-to-noise ratio is increased, the burden of the storage materials is reduced, and efficient high-density data storage isachieved.
Owner:谭小地

RFID sensing feed line for building indoor signal coverage

A RFID sensing feed line for building indoor signal coverage comprises an inner conductor, an insulation layer arranged on the inner conductor and an outer conductor arranged on the insulation layer from inside to outside. The outer conductor is provided with a tag, the tag and the outer conductor are provided with a polyester tape, a protective layer is arranged at the external portion of the polyester tape, and the tag is a mini-size RFID tag. The RFID sensing feed line for building indoor signal coverage can completely store identification information for a long time, can enlarge the information content, can achieve intelligent management of detection, maintenance and fault diagnosis of feed line performances by means of reserved tag storage information in a computer, can be widely usedin enclosed and complex feed line installation places such as a building indoor ceiling interlayer and the like, and can achieve intelligent, rapid and informatization management of the feed line.
Owner:JIANGSU TRIGIANT TECH

The structure of the barcode and the encoding method of the barcode

The structure of a barcode includes at least one basic symbol row and a frame set on the periphery of the at least one basic symbol row. Each row of basic symbols has a plurality of basic symbols extended in series in a first direction. The color of adjacent basic symbols is different, and the color of the frame is different from the color of each basic symbol. Also provided is a coding method for forming a barcode, which includes establishing a plurality of color combinations excluding frame colors, each color combination is composed of a different main color and auxiliary color; performing a procedure for establishing a basic symbol sequence, including using a reference color as a reference color The color of the first basic symbol in the basic symbol column; delete the color combination with the reference color as the main color; select one of the color combinations from the remaining color combinations as the two colors connected in series with the first basic symbol The color of the base symbol to form the structure of this barcode.
Owner:IND TECH RES INST

Portable instant communication information exchange system

InactiveCN101938431AFast and timely deliverySolve the shortcomings of only one data transmission methodNear-field systems using receiversData switching networksNetwork terminationInformation access
The invention relates to a portable instant communication information exchange system which comprises at least one handheld terminal and a portable network terminal which are connected, a main chip and a transmission module which are connected are arranged in the bodies of the handheld terminal and the network terminal both, the transmission module in the handheld terminal comprises a Bluetooth unit, an RF (Radio Frequency) unit and a USB interface, the transmission module in the portable network terminal comprises an RF module and a network interface, the RF unit is connected with the RF module, the handheld terminals are connected with the Bluetooth units, the handheld terminal also comprises a display screen, a battery, a storage module and a keyboard which are all connected with a main chip, the network terminal also comprises a display screen, a battery and a storage module which are all connected with the main chip. The portable instant communication information exchange system can acquire information accessed in the system anytime and anywhere; in addition, since four transmission modes of radio frequency, Bluetooth, USB and network interface are adopted, information can be received and transmitted more conveniently.
Owner:曾晟 +1

Phase modulation holographic storage and reproduction method and storage and reproduction device

The invention belongs to the technical field of information data storage, and discloses a phase modulation type holographic storage and reproduction method and a storage and reproduction device. When information is stored in the storage and reproduction method, a reference beam is converted into a reference beam by a spatial modulator and surrounded by an information beam. An annular reference beam coaxial with the information beam; the information beam adopts a two-dimensional phase modulation data page, and the reference beam adopts a regularly distributed two-dimensional pattern; the reference beam and the information beam are converged at the convergence point through the first convex lens; The recording medium is placed at the above-mentioned converging point; when information is reproduced, a spectroscopic component is installed on the optical path before the reference beam reaches the first convex lens, and a receiving device is installed on the optical axis of the reflection direction of the component, so that the three-dimensional holographic recording The data is reproduced on the receiving device; the storage density is increased, the dynamic range of the material is reduced, the signal-to-noise ratio is improved, the burden of the storage material is reduced, and efficient high-density data storage is realized.
Owner:谭小地
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