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98results about How to "Multiple storage spaces" patented technology

Compression packet uploading and duplication-removing system and method

InactiveCN103873438AEffective deduplicationSave storage spaceTransmissionClient-sideHash list
Provided is a compression packet uploading and duplication-removing method which comprises that: a compression packet uploaded by a user is divided into multiple data blocks; Hash values of all the data blocks are calculated; information of whether the compression packet is the encrypted compression packet, the Hash value of the compression packet, the Hash values of all the data blocks and sequences of the data blocks are stored in one Hash table and then uploaded to a Hash database; when the Hash values in the Hash database are identical with the Hash values of the stored data blocks in a storage server, the data blocks corresponding to the Hash values in the Hash database are confirmed to be duplicated data blocks; corresponding client terminals are notified not to upload the data blocks and corresponding data block pointers of the duplicated data blocks are returned to users, and each data block is corresponding to one data block pointer according the position of the corresponding storage area; the storage area of each data block in the storage server after duplication removal is arranged; and the data blocks are uploaded to the corresponding storage areas in the storage server. The invention also provides a compression packet uploading and duplication-removing system. Storage space can be saved by utilizing the compression packet uploading and duplication-removing method.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Data processing method and device after upgrades of preset applications

The invention provides a data processing method after upgrades of preset applications. The method comprises the steps as follows: after the preset applications are upgraded, a first application package of the upgraded preset applications in a data partition is compared with a second application package of the preset applications before upgrading in a system partition; identical files in the first application package and the second application package are deleted according to a comparison result; reduced identification information is added to the first application package after deletion processing, and program files are loaded from the first application package and the second application package after deletion processing according to the reduced identification information respectively during starting of the upgraded preset applications. According to the method, repeated resources in the first application package in the data partition and the second application package in the system partition are removed, so that storage space occupied by the preset applications in the data partition is greatly decreased.
Owner:HISENSE VISUAL TECH CO LTD

Active graphene composite electrode material

The invention relates to an active graphene composite electrode material. The active graphene composite electrode material is characterized in that active carbon particles are uniformly distributed between the surface and the sheet layer of provided or prepared active graphene; the weight percent of the active graphene in the composite electrode material is 5-90%; when the weight percent of the active graphene is lower than 30%, a third component which is not more than 10% of the total mass of the composite electrode material is added. The adopted active graphene and active carbon are of similar structures, and the active carbon can be prepared through methods of physical activation, chemical activation and physical and chemical combined activation. A porous structure of carbon is formed through gas action in the physical activation method, and a porous structure of carbon is formed through certain chemical reagent action in the chemical method, thus the specific surface area of carbon material is greatly improved. The specific surface area is greatly increased, so that more diffusion paths can be provided for ion transmission.
Owner:CHINA FIRST AUTOMOBILE

Asynchronous motor pure electronic speed feedback method

The invention provides an asynchronous motor pure electronic speed feedback method, which specifically comprises the following operation steps of: firstly obtaining a discrete time form expression of an asynchronous motor mathematical model, obtaining an asynchronous motor reduced order EKF (Extended Kalman Filter) speed estimation algorithm according to an extended Kalman filter algorithm, designing a FPGA (Field Programmable Gate Array) to realize a reduced order EKF speed estimation algorithm structure and carrying out hardware language VHDL (Verilog Hardware Description Language) description on the FPGA based on the described algorithm structure to obtain, send and transmit back state estimated values i alpha s, i beta s, Psi alpha r, Psi beta r and omega r to a main control DSP (Digital Signal Processor) through a port. The asynchronous motor pure electronic speed feedback method has the beneficial effects that the pressure of the main control DSP on real-time operation amount is greatly reduced, so that more storage spaces and more operation spaces are left for speed and current control; the EKF speed estimation algorithm realized by the FPGA in parallel is used for finishing within 1 microsecond, so that a less sampling period can be selected by using the speed estimation algorithm, therefore, the speed estimation precision is greatly improved.
Owner:XIAN UNIV OF TECH

IP message processing method and apparatus

ActiveCN108696492ASave storage spaceAccurate problem analysis and positioningTransmissionComputer hardwareMessage type
The invention relates to the field of wireless communication, and discloses an IP message processing method and apparatus. In the embodiment of the invention, the method comprises the following steps:when an IP message is received, obtaining a message type of the IP message and an index value of an address pair of a message header of the IP message in a corresponding address list, wherein the address pair comprises a source address and a target address; and replacing the message header of the IP message with a preset message header, and storing the IP message, wherein the preset message header comprises a message header and a compressed data portion, the message header is used for storing the index value and indicating a type identifier of the message type of the IP message, the compressed data portion is used for storing compressed data, and the compressed data are data formed by compressing the information excluding the addresses in the message header of the IP message. By adoptionof the IP message processing method and apparatus disclosed by the embodiment of the invention, when the received IP message is stored, the storage space occupied by the message header of the IP message is reduced as much as possible, so that more storage spaces are saved to store more IP messages.
Owner:LEADCORE TECH

Method for backing up isomorphic/isomerous UNIX/Linux host on line

InactiveCN104035837AWill not fillWill not cause fullProgram loading/initiatingRedundant operation error correctionUnixFile system
The invention provides a method for backing up an isomorphic / isomerous UNIX / Linux host on line. According to the method, a network file system (NFS) and the file system snapshot function of a UNIX / Linux host are used together, a network sharing space is mounted on the backed-up UNIX / Linux host, a file system snapshot is created on the sharing space, and the file system is backed up onto the memory space of network sharing. By adopting the method, the aim of backing up file systems and operating systems is fulfilled.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Application management method and device

The invention relates to the field of software management, in particular to an application management method and device. The method comprises the steps that the use frequency of each application and the time for using the application last time are obtained firstly; whether the time interval between the current time and the time for using the corresponding application exceeds a preset time threshold or not is judged, if yes, whether the use frequency of the application is smaller than a preset frequency threshold or not is judged, and if yes, deleting operation is conducted on the application. According to the application management method and device, whether the application is useful for a user or not is judged according to the time for using the application last time and the use frequency of the application, and therefore whether the application needs to be deleted or not is judged; in this way, deleting processing is conducted on the applications which are useless or are less used in time, therefore, more storage spaces are released, the utilization efficiency of system resources is improved, the use efficiency of the user to the applications is improved, and waste of the resources is avoided.
Owner:LETV HLDG BEIJING CO LTD +1

Preparation method of cathode material for lithium-air battery and lithium-air battery

The invention belongs to the field of electrochemical energy and particularly relates to a preparation method of a cathode material for a lithium-air battery and the lithium-air battery. A Co3O4@Ni nanowire array prepared by using a hydrothermal process has larger specific surface area; porous structures and ideal specific surfaces of nanowires are obtained by the low-temperature calcination process, and further the contact area between electrolyte and an electrode is increased, therefore, more reactive sites are provided for ORR and OER processes. The surfaces of the nanowires become rough after the nanowires are soaked; with the rough surfaces, the specific surface area of the nanowires is increased and a greater storage space is provided for discharge products. In addition, Co3O4 is reduced after the nanowires are soaked, oxygen vacancies and surface defects are increased and catalytic active sites are also increased, so that reversible formation and decomposition of a weak crystalline film-like discharge product on the surface of a catalyst are favorably promoted, therefore, the integral performance of the lithium-air battery is significantly improved.
Owner:SHENZHEN UNIV

Hydraulic automatic adjustable flip weir

The invention discloses a hydraulic automatic adjustable flip weir, which comprises a fixed base, wherein both ends of the fixed base are respectively provided with a side plate; a flip shaft is connected between the two side plates; the flip shaft is hinged to a weir plate; the bottom of the weir plate is in seal match with the fixed base; both ends of the weir plate are in seal match with the corresponding side plates; strengthening ribs are arranged on the back of the weir plate; a spring fixing support is connected onto the fixed base; a spring guide rod is connected onto the spring fixing support; a spring is arranged on the spring guide rod in a sleeving manner; a guide block is arranged on the top end of the spring on the spring guide rod in a sleeving manner, and is fixedly connected with a guide block fixing support; the top end of the guide block fixing support is fixedly connected with the strengthening ribs; the bottom end of the guide block fixing support is hinged to the flip shaft. The weir plate can be flipped under pure hydraulic actions, the overflow capacity is increased, the overflow water level before the weir is thus controlled, timely flood discharge is achieved, the weir plate can be reset by means of the spring force, and adjustment of the overflow water level can be adjusted by adjusting the spring force.
Owner:WUHAN SHENGYU DRAINING SYST

Multi-level cache sensitive indexing method

The invention relates to a multi-level cache sensitive indexing method for a database, and belongs to the technical field of efficient database query in computer databases. An index structure is divided into two levels by studying the behavior characteristics and the physical characteristics of different levels of storage media, and the different levels are specially optimized according to the difference of the storage media. The internal nodes of an index tree are similar to those of a B+ tree, and the node fan-out degree of the internal nodes is improved for the main memory-cache level according to a cache access mechanism by adopting an internal node division mode. By adopting a compression coding mode on keywords inside internal node subareas, the utilization rate of the main memory space utilized by the internal nodes of indexes is improved, and the cache hit rate is improved. The leaf nodes of the index tree are Bloom filters for establishing pages for storing keywords in a memory by adopting the Bloom filter technology in the probability theory based on the magnetic disk-main memory level, and are organized into index leaf nodes, so that the number of magnetic disk exchanges in the query process is reduced.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Caller ID analyzing-reminding method and system based on cloud server database

ActiveCN105100514AReliable Harassment Call Search ResultsReliable and reliableSpecial service for subscribersOperating systemData library
The application discloses a caller ID analyzing-reminding method and system based on a cloud server database. A server is connected to a client. The method comprises the following steps that: a server receives a number analysis request sent by the client, wherein the number analysis request includes an unidentified number; the server inquires whether or not the unidentified number exists in a nuisance number database; when the inquiry indicates that the unidentified number is the same as a certain marked number in a plurality of marked nuisance numbers, the server confirms that the unidentified number is a nuisance number and generates a first indication message, wherein the first indication message indicates that the unidentified number is the nuisance number; when the inquiry indicates that the unidentified number is not the same as the plurality of marked nuisance numbers, the server confirms that the unidentified number is not a nuisance number; and the server sends the first indication message to the client to notify. Through adoption of the method disclosed by the invention, a more reliable nuisance call inquiry result can be provided.
Owner:BEIJING LOCOJOY TECH

Graphene/conducting polymer composite electrode material

The invention relates to a graphene / conducting polymer composite electrode material. The material is characterized in that a conducting polymer is uniformly distributed between the surface and lamellas of graphene having a porous structure; the mass ratio of the graphene to the conducting polymer is (1:1)-(1:10); the specific surface area of the graphene is 1200-2300m<2> / g. The adopted graphene has the porous structure, so that the transmission speed and the diffusion space of ions are increased and the influence that the performance cannot be fully played due to the stacking of graphene sheets is reduced; the composite material is simple in preparation process and easy in scale production. The graphene / conducting polymer composite electrode material can serve as the electrode material of lithium ion batteries, solar batteries, super capacitors and the like.
Owner:CHINA FIRST AUTOMOBILE

Cleaning head with a water spraying function and a wet vacuum cleaner having the cleaning head

The invention discloses a cleaning head with a water spraying function and a wet vacuum cleaner with the cleaning head. The cleaning head with the water spraying function comprises a wiping head, a housing, and a water spraying mechanism, wherein the wiper head is accommodated in the housing; the water spraying mechanism includes a nozzle positioned at a side wall position of an inner cavity of the housing and disposed toward the wiper head and a liquid supply line communicating with the nozzle; and the nozzle is positioned outside an outer contour of the wiper head. The cleaning head with a water spraying function solves the problems that the spray head of the prior art cleaning head cannot be arranged on the outside of the wiper head, and the spray head cannot spray the liquid onto the part of the wiper head close to the inner wall of the shell, and the wiper head has a dry part, and cannot be uniformly wetted, thus leading to poor cleaning ability of the wiper head and even scratches on the cleaned surface.
Owner:GREE ELECTRIC APPLIANCES INC

Method and system for compressing sparse weight matrix of convolutional neural network full connection layer

The invention discloses a method and a system for compressing a sparse weight matrix of a convolutional neural network full connection layer, and the method comprises the following steps: 1, obtaininga full connection layer sparse weight matrix A of a convolutional neural network to be optimized, and decomposing the weight matrix A into a position matrix B and a non-zero value array C; wherein the size of the position matrix B is consistent with that of the sparse weight matrix A; in the position matrix B, the numerical value of the corresponding position with the non-zero value in the sparseweight matrix A is 1, and the numerical values of other positions are 0; and step 2, taking the position matrix B obtained in the step 1 as a binary matrix, and carrying out lossless compression meeting a preset image compression standard. According to the method, the compression rate of the sparse weight matrix of the full connection layer can be improved, and more storage space is saved.
Owner:XI AN JIAOTONG UNIV

Double-shaft servo control platform debug system and method

The invention discloses a double-shaft servo control platform debug system. The system comprises a microcontroller, an embedded file system, a debug module, a storage module and a back-up module, theembedded file system and the storage module are installed in the microcontroller, and debug software and operation software are programmed in the microcontroller; in the debug process, the embedded file system is used for managing software in the microcontroller, the operation software is extracted from the microcontroller and taken as back-up software, and the back-up software is sent to the back-up module; the debug module is used for storing a debug program, and when the back-up module receives the back-up software, the debug program is sent to the microcontroller and used by the debug software of the microcontroller; the microcontroller is used for operating the debug software, transmitted by the debug module, of the microcontroller to generate debug parameters, and the debug parameters are sent to the storage module; the storage module is used for storing the debug parameters transmitted by the microcontroller.
Owner:中国兵器装备集团自动化研究所有限公司

Self-tapping screw for plastic part

The invention discloses a self-tapping screw for a plastic part and belongs to the field of self-tapping screws. The self-tapping screw comprises a nut and a screw rod and further comprises a washer. The nut is arranged at one end of the screw rod, and the other end of the screw rod is a flat-head end face; a transition arc is disposed in the combining position of the flat-head end face and the side surface of the screw rod; the screw rod is provided with a screw thread which is arranged in the whole length direction of the screw rod; the washer is fixedly connected with the screw rod; one end face of the washer abuts against the nut; the nut is a hexagonal pan head nut; a cross-shaped countersunk head groove is formed in the center of the upper end face of the nut. By means of the technical scheme, the mounting performance is high when the self-tapping screw fastens the plastic part, damage to the plastic part is avoided at the same time, and the self-tapping screw is reasonable in structural design, simple in principle and low in cost.
Owner:WUHU HENGXIN AUTO INTERIOR TRIM COMPANY

Patchwork digital watermark encoding and decoding method based on Arnold conversion

The invention discloses a Patchwork digital watermark encoding method based on Arnold conversion. The method includes the steps: scrambling an original image by the aid of Arnold conversion; dividing the scrambled image into 8*8 sub-regions; sequentially converting 64 sub-regions by a Patchwork digital watermark method to change the original image into a normally displayed carrier image. In order to obtain more storage space, the original image is divided into the 8*8 sub-regions, a watermark is embedded into each sub-region by the Patchwork digital watermark method, and concealable watermark information is increased. In order to add a tampering detection function to the Patchwork digital watermark method, pixel pairs are randomly distributed to regions of the image, more watermark information can be stored, and a certain tampering detection function is achieved. The invention further discloses a Patchwork digital watermark decoding method.
Owner:RES INST OF SUN YAT SEN UNIV & SHENZHEN

Pneumatic strapping machine capable of preventing tape falling

The invention discloses a pneumatic strapping machine capable of preventing tape falling, and belongs to the technical field of packaging machinery. The machine comprises a strapping machine core anda tape feeding and withdrawing tightening mechanism; and the strapping machine core comprises a base, a pressing tape cutting mechanism and a linkage air cylinder set, wherein the pressing tape cutting mechanism is movably arranged on the base and driven by the linkage air cylinder set. According to the machine, the technical scheme that the pressing tape cutting mechanism is driven by the linkageair cylinder set is adopted to replace the technical scheme that in the prior art, the pressing tape cutting mechanism is driven by a motor and a cam set drive, and moreover, an auxiliary mechanism required for driving the pressing tape cutting mechanism by adopting the motor and the cam set is cancelled, so that mounting hole sites formed in the base are greatly reduced, the machining difficultyof the base is reduced, and more accommodating space can be vacated in the base; and correspondingly, the length size of the strapping machine core is shortened on the whole, so that the structure weight of the machine core is reduced, and the strapping machine can be applied to more special industries and special application scenes.
Owner:佛山轩珏科技有限公司

Call log processing method and device, and call recording method and system

The invention provides a call log processing method, and call recording method and device. The call log processing method includes acquiring the important degree identification of the call log at first, and acquiring the generation time of the important degree identification being non-important call record; determining whether the generation time exceeds the preset time threshold; and deleting the corresponding call record when exceeding the preset time threshold. In the scheme, when the storage time of the call record is too long, the important call record can be continuously maintained through the important degree identification. The method provides the user with the call evidence through the call record, so that the invisible sound is changed into tangible evidence, and when the call record storage capacity is too large as the time goes on, the non-important call record can be deleted to release more storage space, the problems of having too much call record due to long time accumulation and occupying too much storage space can be prevented, and the utilization efficiency of the storage space is improved.
Owner:GREE ELECTRIC APPLIANCES INC

Numeral picture displaying mobile communication terminal and its operating method

The invention discloses a mobile communication terminal and an operation method for displaying the number of photos, and is characterized in that the mobile communication terminal includes the following parts: a memory for storing image data during shooting; Add information on the number of photos stored; the microcomputer reduces the number of photos displayed in the display unit by one each time a photo is taken, and checks the remaining space of the memory when the number of photos displayed is less than the set number, thereby Optimize the number of photos displayed on the above display. The present invention changes and optimizes the information related to the number of remaining photographed / stored photos displayed in the mobile communication terminal within the range that the user can understand, thereby ensuring the accuracy of the information related to the number of photos and enabling the user to use more storage.
Owner:LG ELECTRONICS (CHINA) R&D CENT CO LTD

Convenient-to-monitor power distribution system

The invention discloses a convenient-to-monitor power distribution system which comprises a box body, a box door and a box cover. The box door is arranged on a front plate of the box body, a metering unit, a power distribution unit, a reactive power compensation unit and a monitoring unit are arranged in the box body, and the monitoring unit comprises a power source management module, a positioning module, an information acquisition module, an information processing module and a wireless communication module. The system integrates the metering unit, the power distribution unit and the reactive power compensation unit, so that power distribution of a power grid is realized; the system communicates with a remote monitoring platform through the monitoring unit to monitor a power distribution box in real time; when the power distribution box is abnormal in voltage, temperature in the box body or the box door, the monitoring unit sends abnormality information together with position information of the power distribution box transmitted by the positioning module to the remote monitoring platform, and maintenance personnel timely knows the power distribution box which is abnormal through the remote monitoring platform and timely takes remedial action.
Owner:ZIYANG POWER SUPPLY COMPANY STATE GRID SICHUAN ELECTRIC POWER +1

Valid data search method based on NAND flash and NAND flash storage device

ActiveCN108614781AImprove performanceImprove the efficiency of finding valid dataMemory adressing/allocation/relocationData storingData store
Embodiments of the invention disclose a valid data search method based on NAND flash and a NAND flash storage device. The method comprises: according to a reverse mapping table stored in a data block,obtaining reverse mapping relations of physical addresses and logical addresses of target data stored in the data block; according to the reverse mapping relations, obtaining forward mapping relations of the logical addresses and physical addresses of the target data from a forward mapping table stored in a mapping table block; comparing the reverse mapping relations with the forward mapping relations, when a comparison result is consistent relation, determining the target data to be valid data. Through the technical scheme, the method improves efficiency of searching valid data, so as to rapidly release more storage space and improve performance of a storage device.
Owner:GIGADEVICE SEMICON (BEIJING) INC

Convenient-to-install storage cabinet

The invention relates to the technical field of storage cabinets, in particular to a convenient-to-install storage cabinet. The storage cabinet comprises a group of first vertical plates, a group of first transverse plates, a group of second transverse plates, a group of second vertical plates and a fixing structure. The top ends and the bottom ends of the first vertical plates are fixedly connected with the left ends and the right ends of the first transverse plates respectively, and an upper back plate and a lower back plate are fixedly arranged at the rear end of each first vertical plate and the rear end of each first transverse plate. The left end of each fixing bolt penetrates through a fixing plate and is connected with a wall, and a hook is arranged at the right end of each fixing plate. A plurality of hanging holes are evenly distributed in each hanging piece. Female inserting strips are arranged at the top ends and the bottom ends of the second vertical plates through second fixing screws. Magnets are arranged in the upper area and the lower area of the front end of each second vertical plate. Handles are arranged at the front end of each upper blocking door and the front end of each lower blocking door. Therefore, the installation is relatively simple, time and labor are saved, and the practicability is relatively high.
Owner:河北盛隆柜业有限公司

A method for optimal allocation of cloud storage resources

The invention discloses a method for the optimal distribution of cloud storage resources, belonging to the cloud storage resource management field. According to the method, an application program needing storage resources, a clod resource proxy, cloud middleware, a storage resource pool and a cloud system server are sequentially connected in structure; when the application program requests resources from the cloud system server; the cloud system server distributes the cloud storage resources according to the request for the resources and the supply of the resources; when the supply of the resources is greater than the request for the resources, the cloud system server responds to the request of the application program according to priority; when the supply of the resources is equal to the request for the resources, the resources are distributed according to Pareto optimal theory. Compared with the prior art, the method for optimal distribution of cloud storage resources provided by the invention has the advantages of improving the storage resource utilization rate, simplifying the storage resource management and reducing the storage cost.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

NandFlash data management method for electric power acquisition equipment

The invention relates to a NandFlash data management method for electric power acquisition equipment. The method comprises the following steps of:searching and selecting an erase unit block with a minimum byte in a NandFlash physical area in power acquisition equipment for management; selecting an erase unit with minimum bytes as a minimum erase unit block, after dividing the minimum erase unit block into N minimum units, obtaining a first writable unit, storing data in a data cache area into the first writable unit, once the offset of the first writable unit is N-1, erasing the data in each minimum write-in unit in the minimum erasing unit block, and rewriting the cache data from the first minimum write-in unit in the minimum erase unit block, so that the tail winding processing of each minimum write-in unit is realized, more storage space is vacated, the previous data is prevented from occupying the space of the minimum erase unit block, the frequent storage of the data into the NandFlash can be avoided, and the space utilization rate of the NandFlash can be improved.
Owner:NINGBO SANXING MEDICAL & ELECTRIC CO LTD

Multi-functional mobile cabinet

Provided is a multi-functional mobile cabinet. The cabinet comprises a cabinet body, telescopic support plates and a movable base, wherein the bottom of the cabinet body is arranged on the movable base through the telescopic support boards on the left and right sides, the top of the cabinet body is provided with a cabinet surface, the lower left end and the lower right end of the cabinet surface are each provided with a drawer, and a beverage placing area is arranged between the two drawers; a pulling door cabinet with opposite-opening pulling doors is arranged in the middle of the lower ends of the two drawers and the lower end of the beverage placing area, a small storage cabinet is arranged on both sides of the pulling door cabinet respectively, and the outer sides of the two small storage cabinets are each provided with a medium storage cabinet; a sliding door cabinet with double sliding doors is arranged on the lower ends of the pulling door cabinet, the small storage cabinet and the medium storage cabinet, a fixed storage bracket and a telescopic storage bracket are arranged on the lower end of the bottom surface of the cabinet body, and the fixed storage bracket is arranged inside the telescopic storage bracket. The multi-functional mobile cabinet has the advantages of being large in storage space and rich in storage function, and the cabinet body is arranged on the movable base, so that the multi-functional mobile cabinet is convenient to move.
Owner:HARBIN GOLD APPLE CABINET
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