43 results about "Mass storage" patented technology

The invention relates to the technical field of data acquisition and storage of underwater detection equipment, and discloses a dual-channel data storage and export method, device, equipment and medium, comprising: controlling a data acquisition unit to acquire an environmental analog signal and convert the environmental analog signal into a digital signal, and caching the digital signal to a volatile memory of a main control unit in real time; when it is monitored that the cache data size reaches a preset threshold value, the switching unit establishes a first communication path with the mass memory, writes the cache data in batches and enables the mass memory to enter a dormancy state; when an external reading instruction is received, the switching unit disconnects the first communication path and establishes a second communication path between the mass memory and the data reading unit to export the stored data. According to the method, the access times of the large-capacity memory are reduced and the working period is shortened by combining an independent data reading path through a batch writing mechanism triggered by a threshold value and dormancy control, so that the power consumption is remarkably reduced and the cruising ability of underwater equipment is improved.

To provide a terminal and a data processing system for collecting biological data of a user.SOLUTION: The terminal device determines a value of an importance index which is an index indicating an importance degree in the wearer's activity calculated based on output data of each of the camera 42, the sensor 39, and the microphone 38. A control unit configured to set a storage mode for storing each piece of output data in a specific memory and execute control for recording each piece of output data according to the set storage mode in the memory, wherein the control unit sets the storage mode such that the output data is stored in a large capacity when the calculated value of the importance index is high and sets the storage mode such that the output data is stored in a small capacity when the calculated value of the importance index is low, when it is difficult to calculate the value of the importance index, the saving mode is set so that the output data is saved with a capacity between the large capacity and the small capacity.SELECTED DRAWING: Figure 4

Data recorder (7; D) for storing data traffic in intercommunicative data transmission links of hardware components (10', 11', 12', 13', 14', 15', 16', 17') that are integrated or can be integrated into at least one data communication network (1), wherein at least some of the hardware components use different data communication standards; wherein the data recorder (7; D) has a data conversion device (70) or is connectable to a data conversion device (70); wherein the data recorder (7; D) has at least one mass storage device (74; M) and wherein the data recorder (7; D) is configured to convert incoming data information conforming to an external data communication standard into a recorder-proprietary data communication standard and to store the data information in the recorder-proprietary data communication standard characterized by that the data recorder (7; D) is designed such that, in the event that it is not possible to convert the incoming data information into the recorder's proprietary data communication standard, it stamps the data information with a date and time stamp and stores it in the external data communication standard.

The utility model discloses a portable data storage device for big data management, which relates to the technical field of big data storage devices and comprises a large-capacity memory main body, a damping sheath is mounted at the outer end of the large-capacity memory main body, and an outer sealing shell is mounted at the outer end of the damping sheath. Through the arrangement of the large-capacity memory main body, the outer sealing shell, the wire clamping groove, the lock head cover, the shell connecting clamping block, the ejection block spring and the data line, the data line used by the large-capacity memory main body is folded, and the bent part is clamped in the wire clamping groove in the right side of the outer sealing shell from two sides; then one side of the data line connector is clamped in a line clamping groove in the left side of the outer sealing shell, at the moment, the lock head cover rotates on a cover bearing shaft, a shell connecting clamping block moves in a clamping limiting sliding groove formed in the lock head cover to be clamped with the outer sealing shell through the acting force of a top block spring, and the whole device is directly lifted and transferred through the folded data line; and the portable effect of the device in use is improved.

The invention relates to a dual motor unit (1) for a flywheel mass storage, having at least two electric machines (3a, 3b) coupled to a common rotor (2); wherein the electric machines (3a, 3b) each have a power characteristic curve (Pa, Pb) which is different from one another; and the dual motor unit (1) is configured to generate a total operating power in an operating speed range (Ω) by interaction of the electric machines (3a, 3b), wherein the total operating power is predefined by a total power characteristic curve (P max ) resulting from the different power characteristic curves (Pa, Pb) of the electric machines (3a, 3b), and the total power characteristic curve (P max ) depends non-linearly on the rotational speed (ω) of the common rotor (2), in order to improve a known flywheel mass storage such that the flywheel mass storage can receive and output a constant power with improved efficiency in an as large as possible operating speed range (Ω).

Systems and methods for dynamic repartitioning of physical memory address mapping involve relocating data stored at one or more physical memory locations of one or more memory devices to another memory device or mass storage device, repartitioning one or more corresponding physical memory maps to include new mappings between physical memory addresses and physical memory locations of the one or more memory devices, then loading the relocated data back onto the one or more memory devices at physical memory locations determined by the new physical address mapping. Such dynamic repartitioning of the physical memory address mapping does not require a processing system to be rebooted and has various applications in connection with interleaving reconfiguration and error correcting code (ECC) reconfiguration of the processing system.

The invention relates to a portable server cluster (100) comprising at least the following components arranged in a common housing (120): three server modules (110), each of which comprises a CPU (111), a GPU (112), a main memory (113), a mass storage device (114) and a network connection (115), arranged on a common mainboard (116) and communicatively connected to each other via the mainboard (116); a network module (130) for communicatively connecting the server cluster (100) to a computer network outside the server cluster (100); two mutually redundant switch modules (140), each of which communicatively connects the server modules (110) to each other and to the network module (130); and two mutually redundant power supply modules (150), each supplying power to the server modules (110) and the switch modules (140).The invention also relates to a method that provides a virtual server environment with the portable server cluster.

The application discloses a kind of intelligent agent deployment device and method based on USB interface.The device includes USB interface unit, processing unit, storage unit and memory unit.Processing unit independently runs a lightweight operating system and starts pre-installed intelligent agent service;After service initialization is completed, it is presented as a composite USB device to host through USB interface, including virtual network card interface and mass storage interface.Host is identified by standard USB device class driver free drive, and user can access intelligent agent service through browser, and read output file through resource manager.Memory unit is physically isolated from USB bus address domain through MMU in processing unit, and only shared buffer can be accessed by host.The application realizes hardware-level physical security isolation and free plug-and-play intelligent agent deployment.

The invention relates to a replaceable hardware component (100), in particular an SSD mass storage device, comprising a component housing (110) having a base body (111) and a housing cover (117) connectable to the base body (111), and an electronic circuit (120) arranged on a printed circuit board (121) in the component housing (110), wherein the printed circuit board (121) has a connector (123) which is accessible from the outside through an opening in the component housing (110) in order to insert the connector (123) in an insertion direction (214) into a socket (213) of a data processing device (200), wherein the component housing (110) has at least two opposing sliding elements (112) which are configured to insert the hardware component (100) into the data processing device (200) in a form-fitting manner along guide surfaces (215) of the data processing device (200).until the connector (123) is inserted into the socket (213). The invention further relates to a data processing device (200), in particular a control unit, comprising a device housing (210) and an electronic circuit (212) arranged on a mainboard (211) in the device housing (210), wherein the mainboard (211) has at least one socket (213) for a replaceable hardware component (100), which is configured to insert a connector (123) of the replaceable hardware component (100) into the socket (213) in an insertion direction (214), wherein at least two opposing guide surfaces (215) extending parallel to the insertion direction (214) are provided, which are configured to insert sliding elements (112) of the replaceable hardware component (100) into the data processing device (200) in a form-fitting manner along the guide surfaces (215).until the connector (123) is inserted into the socket (213).

An object storage system includes mass storage devices that implement generic storage on objects stored in the object storage system, and additionally includes other storage devices, such as solid state disks, that provide higher performance storage access. The object storage system implements a common access interface for accessing both accelerated access objects stored in general purpose memory, which are eligible to have cached copies stored on the higher performance storage device, and non-accelerated access objects. The cache is fully managed by the service, and the client application does not need to change to receive accelerated access to objects classified as accelerated access objects according to a customer configurable acceleration policy for the objects or for buckets in which the objects are stored.

The invention belongs to the technical field of detection, and particularly relates to an airborne active phased array radar and IFF equipment integrated test system. Comprising a comprehensive detection device, and the comprehensive detection device comprises a microwave link unit, a mass storage unit, a baseband signal processing unit, a signal interface unit, an IFF system unit, a comprehensive detection unit and a main control unit. And the man-machine interaction display and control computer is used for generating a control command, sending the control command to the main control unit, and analyzing and evaluating the received test result. According to the invention, automatic detection of external field radar and IFF equipment task functions and important task indexes can be realized, the method has the advantages of good versatility, portability, comprehensiveness, maintainability and economical efficiency, reduction of guarantee period, cost saving and the like, and the method accords with the integrated development trend of modern informatization electronic systems.

The present application belongs to the technical field of protecting computer hardware and data security, and more particularly to a USB mass storage device security isolation system and a use method thereof. The system comprises: a device interface unit for device management and enumeration, metadata analysis and processing, and data interaction control; a host interface unit for access control policy execution and virtual view planning, standard USB mass storage device simulation, and host request protocol conversion; a mapping unit for constructing and maintaining a virtual-real address mapping table, completing conversion of virtual logical allocation unit numbers to device logical allocation unit numbers, and performing dynamic allocation and management of storage space according to an idle virtual logical allocation unit bitmap and an idle device logical allocation unit bitmap; and an isolation scheduling unit responsible for issuing operation instructions and delivering messages between the units. The present application constructs a pure virtual disk view presented to the host, thereby shielding the host from perceiving restricted files.

The embodiment of the invention relates to adaptive disk overflow based on memory usage of a shared storage device. A hybrid transactional / analytic processing database includes an OLTP engine, an OLAP engine, and a shared storage comprising mass storage that holds data for a plurality of tenants. The shared storage device includes processing circuitry configured to implement a query executor configured to continuously monitor actual memory usage of the shared storage device when the shared storage device is responsive to one or more queries from an OLTP engine or an OLAP engine. When it is determined that an actual memory usage of an operator that evaluates one or more of the queries from the OLTP engine or OLAP engine at the shared storage device exceeds a preventive memory usage threshold but does not exceed a system memory usage threshold, the system memory usage threshold is determined to be a system memory usage threshold. The query executor is further configured to overflow one or more segments of the query memory corresponding to the one or more queries to the mass storage device without terminating the one or more queries.

The utility model discloses a kind of liquefied warehouse data mass storage server, including main server case, PLC controller is installed on the main server case, the both ends inside main server case are slidably connected with auxiliary smooth expansion frame, the outer side wall of auxiliary smooth expansion frame is evenly provided with and the matching limit slide strip of main server case.The utility model uses, user can be through the modular storage architecture of main server case and two auxiliary smooth expansion frame, install all server main hardware in main server case inside, only need to slide and pull out auxiliary smooth expansion frame when expansion, install the hardware module such as data storage of new addition such as data storage in auxiliary smooth expansion frame inside along the outward expansion of main server case, and connect by bus, without reconstructing system, and service is not interrupted in expansion process, which makes the device can cope with the demand of mass data storage and analysis processing.

The invention provides a modularized micro ambient air quality monitoring system and a working method thereof, and the system comprises a front-end filter which is used for carrying out the preliminary dust removal of ambient air; the heating and dehumidifying unit is connected behind the front-end filter and is used for reducing the interference of air humidity on measurement; the laser sensor is arranged behind the heating and dehumidifying unit and is used for accurately measuring the concentration of particulate matters in the air; the air pump provides constant suction force, optimizes an active pumping type air circuit, designs flow channels of air, a front-end filter, a laser sensor and the air pump, integrates a heating and dehumidifying unit, effectively protects the sensor and the air pump, improves data accuracy, prolongs the service life of equipment, is internally provided with a large-capacity memory, supports local storage of monitoring data for more than 12 months, and is convenient to use. And the system has 4G wireless transmission and broken link automatic supplementary transmission functions, so that the data security is effectively protected.

A system for increasing the speed and reducing the time to obtain a required amount of data, from a secondary storage device, for a digital computer, based upon measures to improve the time efficiency of I / O request processing by improving the timing and sequence of transfers to improve the efficiency of mass storage devices.

The invention discloses a USB interface information security prevention and control method and system, and relates to the technical field of computer information security. A security control module is connected in series between a USB port of a monitoring host and a peripheral, and protection is moved forward to the early stage of power-on and enumeration, so that access and permission limitation with equipment fingerprints and industrial semantics as cores are realized, and the security of the USB interface is ensured. The attack surface is converged at the access moment; performing fingerprint comparison by using information such as VID / PID, descriptor consistency, PD / CC handshake and the like, so that the camouflage equipment is difficult to pass initial identification; enumeration limit and endpoint-level bandwidth / type control are adopted for the released equipment, mass storage is forbidden by default, only HID and authorized necessary endpoints are reserved, and harm of instruction injection and high-frequency burst is weakened from the source; in a session stage, a normal behavior model is constructed by endpoint access distribution, function code transfer and frame interval statistics, and identification of instructions with compliant formats and abnormal semantics is realized based on a deviation degree score and an adaptive threshold.

A data processing system (1) comprises a processor unit (2), at least two selectively connectable mass storage devices (6i), and a trusted platform module (8) with at least two switchable register banks (PCRi) or at least two switchable physical or virtual trusted platform modules (8i). One of the at least two register banks (PCRi) or one of the individual trusted platform modules (8i) is activated according to the connected mass storage device (6i), or one of the individual trusted platform modules (8i) is connected together with the respective mass storage device (6i).

The application relates to the technical field of wireless communication and interface protocol switching, in particular to a Bluetooth and USB dynamic switching firmware system based on event driving. The system aims to solve the resource conflict, data integrity risk and switching roughness problems caused by the sharing of flash memory for Bluetooth audio receiving and USB mass storage on a resource-restricted embedded platform. An event-driven architecture is adopted, the switching time is judged through the cooperation of USB bus state detection and a timer, a lightweight index table is constructed by using a file name hash mapping mechanism to reduce the RAM occupation and accelerate file searching, a transactional flash memory writing process is introduced to realize power failure consistency recovery in combination with log rollback, GATT Indication is adopted on the Bluetooth side to guarantee the transmission reliability in combination with triple verification, and mutual exclusion signals and physical layer isolation are used to ensure the mutual exclusion access of the dual-mode to the flash memory. The application can realize safe, smooth and low-overhead dual-mode dynamic switching.

The invention relates to a portable server cluster (100), comprising at least the following components arranged in a common housing (120): three server modules (110), wherein each of the server modules (110) has a CPU (111), a GPU (112), a working memory (113), a mass memory (114) and a network connection (115), which are arranged on a common main board (116) and are communicatively interconnected via the main board (116); a network module (130) for communicatively connecting the server cluster (100) to a computer network outside the server cluster (100); two switch modules (140) which are redundant with respect to one another and which each communicatively connect the server modules (110) to one another and to the network module (130); and two power supply modules (150) which are redundant with respect to one another and which each supply the server modules (110) and the switch modules (140) with power. The invention also relates to a method which provides a virtual server environment using the portable server cluster.

This application discloses a ferroelectric memory and a method for fabricating a ferroelectric memory. The ferroelectric memory includes a memory array comprising an X-row × Y-column memory structure. Each memory structure includes Z memory cells stacked sequentially; X, Y, and Z are integers greater than 1. Each memory cell includes multiple ferroelectric capacitors and a transistor stacked sequentially. The transistors in the Z memory cells of each memory structure share a common source or drain. The common source or drain in each memory structure extends through the corresponding memory structure along the stacking direction of the Z memory cells. Each memory structure includes Z gates. Using this application, a low-cost, high-capacity memory can be realized.

A data storage device includes a storage medium to store user data, a communication interface communicates with a host device, and at least one processor. The processor communicates with the host device over a first communication channel by emulating a network adapter. The first communication channel is enabled by an Ethernet over USB (universal serial bus) protocol driver, such as CDC-NCM (Communication Device Class Network Control Module). The processor also communicates with the host device over a second communication channel that is enabled by a USB mass storage driver. A web application instantiated at a browser of the host device is configured to receive authentication data (such as a password) from a user and the authentication data is communicated from the host device to the data storage device via the first communication channel. In response to verifying the authentication data, selective access to the storage medium is enabled via the second communication channel. The web application can be platform-agnostic.

The invention discloses a method for dynamically marking mass storage and multiplexing a local memory in an embedded system, and belongs to the technical field of software engineering. Through the dynamic memory marking technology, existing fragmented memories can be automatically identified and managed, newly developed memory blocks are dynamically marked to be free or occupied according to system requirements, memory fragments are not generated, and independent memory areas are designed for upper-layer applications which frequently apply for and release the memory blocks. And meanwhile, unnecessary permanent memory occupation is avoided through a dynamic allocation method of reusable specified idle memory in system operation.

The application discloses a kind of based on USB interface's ZYNQ local firmware update method, the PS end of ZYNQ is used as processing hub, for U disk identification, user interaction, firmware reading, firmware verification and burning, after system normal start and run, insert the U disk containing new firmware file;The management program of the PS end of ZYNQ running is parsed to the firmware package read into memory, synchronously starts three independent burning threads or processes, is responsible for the update of boot partition, start partition and program partition respectively.Utilize USB mass storage device (U disk) as update carrier, so that field personnel need not professional training, can complete firmware update by the operation of "inserting U disk".This design transforms complex system maintenance task into zero threshold user interaction, especially suitable for network coverage inconvenient or operating personnel technical background various industrial field, terminal equipment and so on.

A data storage device (DSD) includes a storage medium and a processor. The storage medium includes a protected partition, inaccessible through mass storage device protocols, that stores program code to: emulate a webserver and to provide a first web application to a browser of the host device to configure the DSD. The storage medium includes a secured partition to store user data and an unsecured partition readable by the host device. The unsecured partition stores a second web application for the browser to unlock the DSD and to enable access to the secured partition with a mass storage device protocol.

The invention relates to the technical field of medical treatment, and discloses a handheld portable oral cavity digital model observation and analysis system, which is characterized in that after data obtained by handheld three-dimensional optical scanning equipment is subjected to digital model observation and analysis processing, an intraoral digital three-dimensional model established by three-dimensional digital information images of upper and lower dentitions is rotated, magnified and shrunk at any angle, and a digital three-dimensional model is obtained; according to the observation angle and direction, the position, depth and angle of the undercut are automatically displayed, observation lines corresponding to the angle and direction are displayed, sectioning and measurement are carried out on the intraoral digital three-dimensional model, and two-dimensional intelligent planning design is carried out. According to the invention, the whole process is dynamic and visible, the observation position is variable, random adjustment, measurement and repetition can be realized, handwriting recording is not needed, the generated digital information is convenient for mass storage, analysis design and remote communication, and the true color three-dimensional occlusion conditions of upper and lower dentitions and the influence of the true color three-dimensional occlusion conditions on the observation angle can be displayed at the same time.

The invention belongs to the technical field of circuit testing, and discloses a sorting, testing and screening method and device for large-capacity memory wafers, the device comprises a probe card, a test excitation circuit and a multi-version management circuit are integrated on the probe card, during working, dynamic adjustable power supply parameters are provided for the memory wafers to be tested, and the test excitation circuit and the multi-version management circuit are integrated on the probe card; the method comprises the following steps: acquiring a to-be-tested memory wafer, generating an interface time sequence meeting the working requirement of the to-be-tested memory wafer, starting the to-be-tested memory wafer to work based on a power supply parameter and the interface time sequence, carrying out contact test and device ID identification on the to-be-tested memory wafer, loading a performance test mirror image according to the device ID to carry out multi-stage sorting, and outputting a contact test result and a multi-stage sorting result. A single probe card can store a plurality of sets of test programs, the test of different types of memories can be supported without physically replacing jigs, and the hardware reconstruction cost of test program switching in an ATE scheme is eliminated.

The application relates to a communication method for accessing a USB interface of a detection instrument by a data conversion device, which comprises the following steps: the data conversion device establishes a communication connection with a mobile terminal and mounts the detection instrument in a USB mass storage mode; the data conversion device writes received downlink data into a downlink file special directory of the detection instrument as a downlink data file and writes MD5 code into a downlink check code file; the detection instrument regularly polls the downlink check code file to check the integrity, when the check is passed, the downlink data file is parsed and a detection task is executed, after the detection task is completed, uplink data is written into an uplink file special directory as an uplink data file and MD5 code is written into an uplink check code file; the data conversion device regularly polls the uplink check code file to check the integrity, when the check is passed, data is sent to the mobile terminal through Bluetooth. Compared with the prior art, the application has the advantages of improving the inspection efficiency and the like.