142 results about "High Readings" patented technology

A two-dimensional bar code printed on a piece of paper is photographed by the area sensor. A reading method of this bar code includes a process for correcting the distortion of the image of the two-dimensional bar code obtained from the area sensor by the projection transform, a process for correcting bright spots appearing in the image, and a process for decoding the two-dimensional bar code based on the image data of the two-dimensional bar code corrected by the two processes. This invention enables size-reduction of the reading device of the two-dimensional bar code and also achieves a higher reading speed of the reading device.

The invention discloses a method for fast reading data and a device thereof. The method is applied to an electric device comprising a memory and a non-volatile memory, which includes steps of creating a cache space in the memory, recording the reading frequency of data in the memory, storing the memory data with highest reading frequency in the cache space, receiving the order of reading the memory data and updating the reading frequency of the data, further, judging whether the data is the data in the cache space or not, if so, then reading the data from the cache space, if not, then reading the data from the memory, and updating the data in the cache space according to the reading frequency of he memory data, or storing the data in the cache space. The device for fast reading data stores the memory data with highest using frequency in the cache space according to reading frequency, which enables the electric device to call the memory data for use from the cache space, thereby increasing reading speed of the memory data.

A touch panel having high reading accuracy of an object to be detected is provided. In a method for driving a touch panel which is provided with a photo sensor in a pixel, an image is displayed in a display portion of a touch panel, a detection region is determined by detecting approach or contact of an object to be detected in a state in which the image is displayed, and the object to be detected is read while substantially equalizing the intensity of light of pixels in the detection region per unit time and unit area. The intensity of light of the pixels per unit time and unit area, which is to be substantially equal, is preferably the maximum intensity of light in the detection region before adjustment, more preferably, the intensity of light for white display.

The invention discloses a chip together with the communication method to realize the communication among a plurality of nucleus inside a chip, such as the communication between an ARM nuclear and a DSP nuclear, comprising the ARM nuclear, the DSP nuclear and a shared memory. The chip is internally provided with a shared memory to provide a buffer space for receiving the data, in particular to a shared channel for the data. The ARM nuclear and the DSP nuclear write the data on an address unit presupposed by the ARM nuclear and the DSP nuclear in the shared memory and notify the other party to read the data to do the receiving, sending and interaction of the data in the shared memory, so as to realize the communication mechanism of data sharing, data interaction and interruption and interaction between two nucleus with high reading-writing operation speed, short delayed time and strong real-time performance.

The invention relates to a pattern management method of a NoSQL database. The pattern management method specifically includes the following steps that firstly, accessing or updating requests are received; secondly, classification is performed on the accessing or updating requests according to pattern types, or new pattern types and interfaces corresponding to the new pattern types are constructed according to the accessing or updating requests; thirdly, according to a pattern management table connected into the database by the accessing or updating requests through the interfaces corresponding to the pattern types, pattern information in the pattern management table is obtained; fourthly, according to a route provided by the pattern management table, data stored under different pattern types in the database are accessed or updated according to the accessing or updating requests. According to the pattern management method of the NoSQL database, unified management of various heterogeneous data in the NoSQL database is performed; according to different types and features of the data, differential pattern and interface design is achieved, and the high reading and writing performance is ensured. Meanwhile, the universal schema management strategy and a universal read-write interface are provided, and convenience is provided for expansion of data patterns.

The invention provides a method, a device and a system for closing down and starting up a computer system. An internal memory of the computer system comprises a phase changing memory (PCM) and a dynamic random access memory (DRAM). The closing down method comprises the following steps of acquiring a closing-down order for closing down the computer system, freezing an active process through an operating system, storing the register data and the cache data, related to the active process, to the DRAM, storing an entire DRAM mirror image to the PCM, and turning off the device power supply so as to close down the computer. The starting up method comprises the following steps of receiving a starting-up order for starting up the computer system, activating the operating system, reading the data directly from the PCM through the operating system, restoring the register data and the cache data, and activating the frozen active process. Compared with the prior art, by utilizing the nonvolatile and high reading efficiency of the PCM, the data can be directly read from the PCM when a computer is started, and the DRAM mirror image no longer needs to be copied from a disk into the DRAM, so that the consumed time can be shortened, and the starting-up speed can be increased.

This invention relates to a three-dimensional optical memory made from a fluorescent photosensitive material, and a method and device for the storage and retrieval of information on the three-dimensional optical memory. The fluorescent photosensitive material can be glass and vitroceramic, both of which exhibit both fluorescent and photosensitive properties. Both one-photon and two-photon processes can be used for writing and reading the digital information on to the three-dimensional optical memory, in conjunction with a confocal microscope. A high reading sensitivity is obtained by using fluorescence during the reading cycle.

The invention discloses a database data reading-writing device and method. The device is arranged on a data server. The database data reading-writing device comprises a reading unit for reading original data from an application server, packaging the original data to obtain target data and caching the target data to a caching queue and a submitting unit for reading conditions according to preset caching and storing the target data cached in the caching queue in a database. By the adoption of the scheme, reading-writing tasks in the database data synchronizing process are separated, the reading unit reads the data from a peripheral database, performs package and then writes the data in a high-speed caching queue, the caching queue has high reading-writing rate, accordingly the task reading efficiency is improved, the submitting unit extracts the data from the queue and performs batch saving according to given fixed step length. Accordingly, the reading unit and the submitting unit respectively and independently operate, and the concurrence efficiency is improved.

A two-dimensional bar code printed on a piece of paper is photographed by the area sensor. A reading method of this bar code includes a process for correcting the distortion of the image of the two-dimensional bar code obtained from the area sensor by the projection transform, a process for correcting bright spots appearing in the image, and a process for decoding the two-dimensional bar code based on the image data of the two-dimensional bar code corrected by the two processes. This invention enables size-reduction of the reading device of the two-dimensional bar code and also achieves a higher reading speed of the reading device.

The invention provides a photon counting Raman spectrometer capable of realizing full spectrum direct-reading performance. The Raman spectrometer is mainly composed of a laser, a beam splitting system, a photon counting imaging detector, and information processing and display. The laser outputs laser to excite a sample to generate a characteristic Raman spectrometer; the beam splitting system carries out dispersion on incident composite light containing the characteristic Raman spectrometer so as to form a spectral intensity distribution image; on the basis of the position sensing detection and photon counting, photon counting imaging detector reconstructs a spectral intensity distribution image in a digitlization mode; and the information processing and display carries out a qualitative quantitative analysis on a sample according to positions and light intensity of all pixels in the digital spectral intensity distribution image. According to the invention, advantages of a photon counting property and a full spectrum direct-reading property are combined; therefore, advantages of low detecting limit, high reading precision, good data stability and large linear dynamic range are realized; and moreover, a plurality of substance components can be analyzed simultaneously; all spectral lines in a working wavelength range can be fully utilized; the working speed is fast; the structure is simple; and the operation stability is good.

The invention discloses an abrasion balance method for hybrid SSDs and a solid-state disk. The abrasion balance method for hybrid SSDs is characterized by comprising abrasion balance in an SLC area, abrasion balance in am MLC area and abrasion balance between the areas, wherein the abrasion balance in the SLC area is taking the SLC area as a circulation queue; the abrasion balance in the MLC areais carrying out an erasing frequency of each block and preferentially selecting the blocks with low erasing frequencies to store data; the abrasion balance between the areas is dividing data in an SLCinto cold data and hot data according to a hot data recognition threshold value and migrating the cold data from the SLC area to the MLC area; and the hot data recognition threshold value is dynamically determined according to an abrasion speed. According to the method, the advantages such as high reading performance and high erasing frequency of SLC are utilized to store the hot data, and the MLC with large capacity is utilized to store the cold data, so that the compromise of cost, capacity, service life and performance is achieved. Through dynamically adjusting the hot data threshold value, the probability of writing the cold data into the SLC and the probability of writing the hot data into the MLC are reduced, and the data size migrated from the SLC to the MLC is reduced.

A MTJ in an MRAM array is disclosed with a composite free layer having a FL1 / FL2 / FL3 configuration where FL1 and FL2 are crystalline magnetic layers and FL3 is an amorphous NiFeX layer for improved bit switching performance. FL1 layer is CoFe which affords a high magnetoresistive (MR) ratio when forming an interface with a MgO tunnel barrier. FL2 is Fe to improve switching performance. NiFeX thickness where X is Hf is preferably between 20 to 40 Angstroms to substantially reduce bit line switching current and number of shorted bits. Annealing at 330° C. to 360° C. provides a high MR ratio of 190%. Furthermore, low Hc and Hk are simultaneously achieved with improved bit switching performance and fewer shorts without compromising other MTJ properties such as MR ratio. As a result of high MR ratio and lower bit-to-bit resistance variation, higher reading margin is realized.

The disclosure provides an OSD (object-based storage device) selection method, a data writing method and device and a storage system. The OSD selection method comprises: in PG (placement group) addressing mapping phase in Ceph, determining from a first available OSD list, an OSD group corresponding to the current PG according to CRUSH algorithm; setting an OSD, having highest reading-writing speed, in the OSD group as a master OSD, and determining the other OSDs in the OSD group expect for the master OSD as slave OSDs; determining from a second available OSD list, a temporary OSD correspondingto the current PG according to the CRUSH algorithm, wherein the temporary OSD is one OSD having highest reading-writing speed in the second available OSD list and is different from those in the OSD group, and the first available OSD list is a subset to the second available OSD list. By using the OSD (object-based storage device) selection method, the data writing method and device and the storagesystem, data reading-writing rate can be increased.

Reading methods of a nonvolatile semiconductor memory device are described herein. Methods may include supplying, to a word line, one of a voltage corresponding to a highest reading level or a voltage having a level higher than a first reading level of a read operation to be performed on the word line, and subsequently supplying a voltage of the first reading level to the word line and performing the read operation.

The invention provides a method and a system for reading information of a memory array cell. Multiple continuous bit lines comprising bit lines of a cell to be read are simultaneously gated, a first reading voltage is applied to one bit line of the memory cell to be read, a second reading voltage which is higher than the first reading voltage is applied to the other bit line of the memory cell to be read, and a voltage equal to the second reading voltage is applied to multiple continuous bit lines adjacent to the bit line which is applied with the second reading voltage, so there is no potential difference between two ends of the multiple memory cells adjacent to the bit line applied with the higher reading voltage, thereby a current leakage problem caused by adjacent memory cells is avoided, and the memory information reading precision of the memory cell is improved.

The invention provides a spectral analysis method based on photon counting full spectrum direct reading. The spectral analysis method comprises the following steps of: generating a characteristic spectrum to be observed by a sample under the action of an excitation source; making multiplex light mingled with the characteristic spectrum incident into a light splitting system through an incident optical device; chromatically dispersing the incident multiplex light into a monochromatic spectral image by the light splitting system; imaging the spectral image on a sensitive face of a photon counting imaging detector; reconstructing the spectral image by the photon counting imaging detector in a digitalized manner through position sensitive detection and photon counting; and qualitatively and quantitatively analyzing the sample by an information processing and displaying unit according to the position of each pixel in the digital spectral image and signal intensity. The spectral analysis method provided by the invention has the advantages of low detection limit, high reading precision, high data stability, large linear dynamic range and the like, and can be used for realizing full spectrum direct reading, that is to say, a plurality of substance components can be analyzed at the same time, each spectral line in a working wavelength range can be fully utilized, the working speed is high, and corresponding instruments have the characteristics of simple structure, high operating stability, low production and operating cost, convenience for upgrading and debugging, and the like.

The invention discloses a file system in user space implementation method oriented to MongoDB. The method comprises the following steps: building an fs.nodes set for storing file directory structure information and node metadata information; creating a MongoDB GridFS storage file; automatically generating an fs.files set for storing file metadata information and an fs.chunks set for storing file data information while creating the MongoDB GridFS storage file; realizing correlation of the fs.nodes set, the fs.files set and the fs.chunks set, specifically correlation of a directory node and the fs.nodes set, correction of a file node and the fs.nodes set and correlation of the fs.files set and the fs.chunks set, during creation and deletion of nodes by using a Linux file system and a MongoDB database, wherein the parent-child relationship between nodes is determined by the link structure of fs.nodes. The method supports directory operation, and has the advantages of small occupation of storage space, high reading-writing efficiency and the like.

The invention belongs to the technical field of microelectronics, and in particular relates to a memory of phase change resistance memory cell structure with high reading speed and low operating interference and a storage operation method thereof; the memory is characterized by comprising a plurality of word lines, a plurality of bit lines and a plurality of memory cells, and each memory cell is positioned at each cross zone between a word line and two bit lines. Each memory cell comprises two phase change memory cells and two gating devices. The two phase change memory cells are connected with different bit lines by the control terminals of respective gate tubes, and share the same word line. The memory and the storage operation method thereof have the advantages of being capable of realizing the application of high reading speed and preventing misreading operation of the selected memory cells in storage operation.

The invention belongs to the technical field of dynamic random access memories and in particular relates to an EDRAM (Enhanced Dynamic Random Access Memory) unit of a gain unit, a memory and an operating method thereof. Based on a writing MOS (Metal Oxide Semiconductor) transistor, a reading MOS transistor, a writing word line, a writing bit line, a reading word line, a reading bit line and an equivalent parasitic capacitor, the EDRAM unit of the gain unit provided by the invention is obtained by increasing a coupling complementary MOS transistor and a shared bit line which is connected to a fixed voltage such that the EDRAM unit of the gain unit has the characteristics of long data retention time and low refreshing frequency; and the memory formed by the EDRAM unit of the gain unit has the characteristics of high reading speed and low power consumption.

The invention provides am MRAM chip. The MRAM chip comprises a plurality of array groups, wherein each array group comprises m arrays; m bits in a word are respectively stored in the m arrays; and each array comprises a low-resistance state reference resistor column and a high-resistance state reference resistor column. The invention furthermore provides a storage unit reading method. According tothe MRAM chip and the storage unit reading method, the m bits of the word are respectively stored in the m arrays, and reference resistors are arranged in arrays which only comprise one bit, respectively, so that the number of storage units which share a same reference resistor is decreased, the standard difference is decreased, and the problem of high reading error rate caused by relatively small signal difference is avoided; each array only comprises two columns of reference resistors, so that the numbers of the reference resistors and the storage units are relatively small, and the numberof effective storage units in a unit area can be increased; and by adopting cross stepwise superposition to obtain signals and adjust weights, the reference resistors can have optimum values and the reading error probability is decreased.

The invention discloses a data communication and storage method, comprising the following steps of 1, establishing a communication system including a control center, an interaction terminal and an interaction medium, wherein the interaction terminal can write data into the interaction medium and also can read data from the interaction medium; 2, establishing a safe communication channel for bidirectionally connecting the interaction terminal and the control center, wherein the control center is used for processing and controlling the data of the interaction terminal entering the system; 3, completing safety verification of the interaction terminal by the control center through the safe communication channel, if the interaction terminal is not safe, preventing the data of the interaction terminal entering the system, and if the interaction terminal is safe, permitting the data of the interaction entering the system; and 4, storing the data of the interaction terminal entering the system. According to the method, the safe communication channel can be more rapidly established, the cracking difficulty of the digital certificate is increased, the safety and reliability of the data communication process can be enhanced, and meanwhile the good compatibility and high reading / writing efficiency are provided during the data storage process.

The embodiment of the invention provides a data processing method, a data processing device and a storage medium, which are used for improving reading efficiency of data records on the basis of combining use convenience of a relational database. In the embodiment of the invention, a server can receive an inquiry request, and according to to-be-inquired conditions in the inquiry request, the servercan determine indication information used for indicating at least one data record corresponding to the to-be-inquired conditions from an inquiry table in a non-relational database; and the server cansend the acquired at least one data record corresponding to the to-be-inquired conditions. Since the server in the method and the system in the embodiment of the invention can directly read associated data records from the non-relational database, and the non-relational database itself has a feature of high reading-writing efficiency, the method and the system improve reading efficiency of data records on the basis of combining use convenience of the relational database.

The invention relates to a high precision silicon micro electronmechanical gyroscope of optical phase detection. Tail optical fiber of a light source and entering fiber of a photoelectric detector are respectively in heat sealing with one optical fiber of a Y-shaped optical coupler. A micro mirror is made on a vibration beam to be used for reflecting transmitted light passing through the tail optical fiber of the Y-shaped optical coupler. The photoelectric detector detects interference fringe formed by the confluence of the reflected light on the micromirror and the reflected light on the end face of the tail optical fiber of the Y-shaped optical coupler by the Y-shaped optical coupler. The photoelectric detector is connected with a detection and control system. The invention adopts optical interference principle and uses an optical phase measurement method to measure the infinitesimal displacement of a vibration mass block, thus improving the detection sensitivity and reading accuracy of the gyroscope. The gyroscope is characterized by small volume, light weight, high resolution, low drift, short response time and high reading accuracy, improves dynamic response range and detection accuracy, is beneficial to the implementation of digital filter and signal transmission processing simultaneously and improves the anti-interference capacity of the system.

The invention provides a data processing method based on an Internet of Things. The method comprises the following steps of collecting real-time data acquired by a sensor by utilization of a ZigBee coordinator, uploading the data to a database under the TCP / IP (Transmission Control Protocol / Internet Protocol), and displaying the data on mobile equipment by means of utilizing a Web server to access the data. The invention provides the data processing method based on the Internet of Things, which has the advantages of lower energy consumption, high reading-writing access efficiency and reduction in complexity of application development under the consideration of environmental features of the sensor.

The invention discloses a box type automatic optical disc read-write storage system comprising a basic unit, a robot unit, storage expansion units, a guide rail and a box body; the basic unit consistsof a CD-ROM driver wall, the robot unit consists of a linear robot and a CD-ROM driver robot, and the storage expansion units are distributed on two sides of the guide rail in a symmetric manner; working processes of the box type automatic optical disc read-write storage system include the following steps: the linear robot moves along the guide rail, a target optical disc hold is taken from the storage unit, the optical disc holder is placed on a rotating platform via the linear robot, the rotating platform is rotated, an optical disc is taken via the CD-ROM driver robot and placed in a CD-ROM driver to be read and written in, the optical disc is taken out from the CD-ROM driver robot and placed in the optical disc holder of the rotating platform after reading and writing are finished, the rotating platform is rotated, and the optical disc holder is stored at an original position after being taken via the linear robot. In the box type automatic optical disc read-write storage system,a box type structure is adopted to facilitate transportation, space is fully used via layer-upon-layer arrangement of optical disc holders, rapid and highly efficient motions of the robot can be realized, and multiple CD-ROM drivers can be used for reading and writing simultaneously; the box body type optical storage robot system is advantaged by compact structure, large storage capacity, high reading and writing speed and the like.

The invention discloses a device for measuring the coaxiality of an oil injector installation hole and an oil injector head installation hole of a cylinder cover. The device consists of an expansion mandrel, a handle, expansion balls, expansion ball installation holes, compression springs, a front rod, a measuring rod installation groove, a screw, a dial test indicator, a measuring rod and a measuring head. The expansion mandrel slides in the oil injector installation hole of the cylinder cover in all directions according to the measuring requirement, and simulates the axis of the oil injector installation hole of the cylinder cover; the highest reading of the inner diameter of the oil injector head installation hole is measured by using the lowest reading of the inner diameter of the oil injection installation hole, which is measured by the dial test indicator, as reference; the device for measuring the coaxiality of the oil injector installation hole and the oil injector head installation hole of the cylinder cover is novel in design and structure, simple in measuring process, and convenient to use; and a measuring result is accurate.

The invention discloses a silicon-based ferroelectric grid thin film transistor and a preparation method thereof. A beveled mono-crystalline silicon substrate (1) serves as the bottom layer of the transistor, a perovskite conductive oxide bottom grid electrode (2), a ferroelectric insulating layer (3) and an oxide semiconductor active layer (4) are sequentially formed on the middle layer from bottom to top and a transistor source electrode (5) and a drain electrode (6) are arranged on the top layer of the transistor, wherein the beveled mono-crystalline silicon substrate (1) is intrinsic silicon with a step in the size of that of an atom. The ferroelectric grid thin film transistor is a non-volatile storage device, has the advantages of high radiation resistance, high reading and writing speed, low power consumption and the like of a ferroelectric random access memory, and further has the advantages that the starting voltage is low, the switch ratio is high, the device structure is simple, the preparation technology is simpler, low in cost and prone to being compatible with an existing silicon technology, and an all-epitaxial structure can be realized.

The invention discloses a method for realizing dynamic acceleration areas of solid-state hard disks and a hard disk. The method is characterized by comprising the following steps of: at least dividing an acceleration partition in a solid-state hard disk of an MLC or TLC process, converting physical blocks of the acceleration partition into SLCs, preferentially writing a writing operation of the solid-state hard disk into the acceleration partition by an external controller, and directly returning writing success after the writing is completed; arranging a dynamic updating program in control of the solid-state hard disk and automatically updating data of the acceleration partition into a new space at the background, wherein the user space is a non-SLC area. Through converting partial MLC / TLC physical blocks into SLCs, higher reading / writing performance can be obtained; and meanwhile, the size of the acceleration partition is dynamically adjusted according to a proportion of a logic using space and a physical space of the disk, so that the effect of relatively high writing speed effect can be realized at user side.

Reading methods of a nonvolatile semiconductor memory device are described herein. Methods may include supplying, to a word line, one of a voltage corresponding to a highest reading level or a voltage having a level higher than a first reading level of a read operation to be performed on the word line, and subsequently supplying a voltage of the first reading level to the word line and performing the read operation.