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

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.

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.

A non-volatile charge capture storage device, a method for preparing the same and an application thereof. The preparation method is simple to operate and easy to control, and the nano-microcrystal acting as a storage medium in the obtained storage device is evenly distributed. The preparation method includes the steps of: a) forming a tunneling layer on the substrate surface; b) forming a (ZrO2)x(M)1-x thin film with homogeneous composition acting as a storage layer on the tunneling layer, wherein l > x > 0.5, M is SiO2 or Al2O3; c) forming a barrier layer on the storage layer; d) and annealing the above prepared sample so as to precipitate the nano-microcrystal ZrO2 from the storage layer to act as the storage medium. By way of high temperature annealing processing, the nano-microcrystal ZrO2 is precipitated from the parent phase of the storage layer, thereby realizing the effect of nano-microcrystal storage. The nano-microcrystal acting as the storage medium obtained in the method is evenly distributed in the non-crystal parent phase.

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.

The invention relates to the technical field of semiconductor manufacturing, in particular to a three-dimensional memory, a forming method and a control method thereof. The three-dimensional memory includes: a substrate with a stack structure on the substrate, a plurality of channel holes passing through the stack structure, and a storage string filled in each of the channel holes; several first plugs, one filled in part of the channel hole and connected to the top of the memory string in the channel hole, the first plug has first dopant ions; several second plugs are filled in one by one In the remaining channel holes in the stack structure, and connected to the top of the storage strings in the channel holes, the second plug has second doping ions, and the first doping ions opposite to the conductivity type of the second dopant ions. The invention increases the storage density of the storage unit at low manufacturing cost and improves the storage performance of the three-dimensional storage.

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.

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 arrangedto 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.

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.