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51results about How to "Implement read and write operations" patented technology
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Telefile system mirror image method and system based on lasting caching of client-side
ActiveCN103116618AImprove experienceImprove access efficiencyTransmissionSoftware simulation/interpretation/emulationComputer graphics (images)File system
The invention provides a localization mirror image method and a system of the mirror image method which achieve a telefile system with a local disk file system as a lasting caching space on client computing equipment in the network environment. By visiting a 'localization mirror image client-side system' applied on the client computing equipment, the telefile system is visited in a transparent mode. Part of files of the telefile system and part of data of the files are cached lastingly by the 'localization mirror image client-side system' through a 'local disk file system', and the 'localization mirror image client-side system' is responsible for maintaining the consistency of the local lasting caching telefile system. According to the localization mirror image method and the system of the mirror image method, the grain size is adopted as the smallest unit to achieve uploading and downloading of files of the local file system and telefile system, to achieve read-write operation of the files in local lasting caching, and to support lasting caching of part piece data of the files. By means of the localization mirror image method and the system of the mirror image method, visiting efficiency of a 'client application program' on the telefile system can be effectively improved so as to improve the client experience, and network flow is greatly saved.
Owner:NANKAI UNIV
Graph database management system supporting unstructured data storage and query
ActiveCN109582831AImplement read and write operationsSupport matchingOther databases queryingUnstructured dataStorage model
The invention discloses a graph database management system supporting unstructured data storage and query, and the system comprises a Neo4j attribute graph model with a label based on a Neo4j graph database, which is used for storing structured data and attribute information of non-contents of a BLOB, and also storing and allocating a unique ID of the BLOB; A BLOB data storage model supporting a BLOB type comprises an abstract storage model and a specific storage model and is used for storing BLOB content and maintaining a mapping relation between an ID of a BLOB and attribute information of the BLOB. And the query module is used for querying the stored structured data and BLOB type data. According to the system, the structured data can be stored, the unstructured data can be stored as BLOB types, and query of the two kinds of data is achieved.
Owner:COMP NETWORK INFORMATION CENT CHINESE ACADEMY OF SCI
PHY register read-write method and device
ActiveCN109614147ASolve the problem of not being able to read through /dev/memImplement read and write operationsRegister arrangementsUser inputPhysical access
The invention provides a PHY register read-write method. The method comprises the following steps of binding an Applet operation function set to define an auxiliary function; analyzing the first command line parameter input by the user to obtain the access behavior of the user; calling a corresponding first processing function according to the access behavior; calling the auxiliary function through a first processing function to analyze a second command line parameter input by the user so as to obtain all physical access paths, and storing the analyzed data into a structure variable; and calling a second processing function corresponding to the first processing function, transmitting the structure variable as a parameter into the second processing function, and finding a corresponding PHYregister according to the parameter through the second processing function to carry out read-write operation. The PHY register read-write method is universal, adapts to all application scenarios and has good expandability.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
SIP module testing method based on on-chip embedded microsystem
ActiveCN106814305AMeet the needs of full test coverageGuaranteed correctnessElectronic circuit testingAnalogue/digital conversion calibration/testingMaximum levelComputer module
A SIP module testing method based on an on-chip embedded microsystem comprises the following steps: firstly using a CPU unit in the SIP module to read-write all addresses of memory units, thus testing the memory unit accuracy; then carrying out an internal sealed self-test and an external auxiliary test for the CPU unit in the SIP module, thus verifying the CPU unit accuracy; finally using the internal CPU unit and an external FPGA to test a FPGA in the SIP module. The method can effectively test the SIP module functions and internal interconnections without increasing the SIP module design complexity, thus satisfying the SIP module full test coverage demands in the maximum level, ensuring the SIP module accuracy, and improving the testing efficiency.
Owner:BEIJING MXTRONICS CORP +1
Method for reading and writing T card through GPIO port, system and mobile phone
InactiveCN101521956AImplement data manipulationImplement read and write operationsElectric digital data processingWireless communicationExtensibilityData operations
The invention discloses a method for reading and writing a T card through a GPIO port, a system and a mobile phone. The system comprises a top-level file system, a processor chip and the T card, wherein the system also comprises an interface controlling module used for simulating SPI bus timing; and the interface controlling module receives a data operating command from the top-level file system to the T card and is connected with the T card through the GPIO port on the processor chip so as to read and write the T card. The method and the system can make the mobile phone without a T card controller module support the T card to read and write, and the mobile phone with the built-in T card controller module can realize double T cards in the mode, so the proposal has extremely strong expandability, breaks through the restriction of chip hardware functions and has quite wide application occasions.
Owner:KONKA GROUP
USB communication system of field excitation controller based on DSP chip, and operation method thereof
InactiveCN101315555AEasy to debugImplement read and write operationsTotal factory controlProgramme total factory controlExcitation controllerDigital signal processing
A USB communication system of an excitation controller based on a DSP chip is characterized in that the system is composed of a signal collecting module, a digital processor, a storing module, a USB communication module and an upper computer of the excitation system and has the advantages that a high-effective digital signal processing chip is adopted to realize various complicated generator excitation control rules and enhance the accuracy and the speed of the excitation system; a flexible USB interface and the function-prepared application software of the upper computer are adopted to realize abundant communication functions including that system oscillations caused by various broken-circuit failures, system frequency discontinuity and the current and voltage changes of the system dynamic process all can be constantly recorded without missing; a reliable report of the present work state can be directly obtained by an analysis software analyzing timely voltage-current curves.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY
SIM card resource management scheduling device, communication terminal and system
ActiveCN110267256AImplement read and write operationsImprove management efficiencyHigh level techniquesNetwork data managementModem deviceResource management
The invention is applicable to the field of mobile communication and provides an SIM card resource management scheduling device, a communication terminal and a system. The device comprises a card service module, a card management interface module, a card management module, a card physical interface module and a Modem driving module, and the card service module is used for sending various service instructions to the card management interface module so as to transmit the various service instructions to the card management module through the card management interface module; the card management module is used for calling the corresponding sub-modules according to the received various service instructions, so that each sub-module realizes various service functions by calling the card physical interface module so as to perform resource management on the SIM card; the card physical interface module is used for operating an SIM card arranged on a non-Modem side, and loading the SIM card on the non-Modem side to the Modem by calling a Modem virtual card driving module in the Modem driving module or operating the SIM card mounted on the Modem by calling a Modem entity card driving module in the Modem driving module. According to the invention, effective scheduling management of the SIM card resources is realized.
Owner:SHENZHEN UCLOUDLINK NETWORK TECH CO LTD
Method, server and client for sharing file contents
The invention provides a method, server and client for sharing file contents. The method is applied to a service side, and comprises the following steps: receiving an update request transmitted by the client for partial file contents specified in a shared file conserved in the server; judging whether the client has a write permission for the partial file contents specified in the shared file; if the judging result is that the client has the write permission, then transmitting a response message which allows the client to update the specified partial file contents to the client; and receiving and conserving updated specified partial file contents transmitted by the client. According to the scheme of the invention, the shared file is divided into a plurality of file sections to be stored, locked and unlocked, and a read-write operation of a file segment level can be realized; besides, under the condition that multiple clients modify different file contents, all clients can be guaranteed to operate files synchronously, and when one client modifies one file section content, other clients cannot modify synchronously.
Owner:CHINA MOBILE COMM GRP CO LTD
Portable card reader
ActiveCN104615962ASmall footprintImprove portabilitySensing record carriersEngineeringElectrical and Electronics engineering
The invention provides a portable card reader. The portable card reader comprises a circuit, a supporting shaft, a flexibly-deformed antenna panel which is connected with the supporting shaft; the flexibly-deformed antenna panel which is connected with the supporting shaft is equipped with a flexibly-deformed antenna coil which is electrically connected with the circuit to emit or receive information; a first clamping slot is formed in the antenna panel; an opening of the first clamping slot is formed in the sidewall of the antenna panel; the first clamping slot extends into the antenna panel. According to the card reader, the flexible panel separated from the circuit board is adopted and can coil the outer side of the outer wall of the supporting shaft under a non-working state, and therefore, the portability of the card reader can be obviously improved.
Owner:TENDYRON CORP
System-on-chip key management method, apparatus, device, and readable storage medium
ActiveCN110990331AImplement read and write operationsImprove securityDigital data protectionInternal/peripheral component protectionComputer hardwareOperating system
The invention provides a system-on-chip key management method, a system-on-chip key management apparatus, a system-on-chip key management device and a readable storage medium. A slave device is arranged in a system on chip. The management method is applied to the slave device. The management method comprises the following steps that: an access request sent by a host is received, wherein the accessrequest carries an access address and an access type; a target table item corresponding to the access address is determined, wherein the target table item is one item in a permission table used for performing permission management on the key of the system on chip, wherein the permission table is pre-stored in the one-time programmable memory of the slave device; and the key of the system on chipis managed according to the target table item and the access type. With the system-on-chip key management method, the system-on-chip key management apparatus, the system-on-chip key management device,the readable storage medium of the invention adopted, the security of the key of the system on chip can be improved.
Owner:PHYTIUM TECH CO LTD
Hardware state detection method and system and related components
InactiveCN110147300AImprove processing efficiencyIncrease flexibilityDetecting faulty computer hardwareComputer hardwareEvent queue
The invention discloses a hardware state detection method. The detection method comprises the steps of receiving a state detection instruction, and target determining hardware according to the state detection instruction; generating a plurality of read events for reading the hardware information of the target hardware; adding all the read events to an event queue and asynchronously executing eachread event in the event queue; and when the hardware information is received, executing a data processing operation on the hardware information to obtain hardware state data in a preset format. According to the method, the processing efficiency of hardware information can be improved, and high-frequency read-write operation is realized. The invention also discloses a hardware state detection system, a computer readable storage medium and electronic equipment, which have the above beneficial effects.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
Method and system fir supporting user access to vsftpd service root directory
InactiveCN106874053AImplement read and write operationsFile access structuresProgram loading/initiatingSource codeRoot directory
The invention discloses a method for supporting user access to a vsftpd service root directory. The method comprises the steps of deploying a vsftpd server; installing a vsftpd server program in the vsftpd server; obtaining a configuration file of the vsftpd server program; deleting the vsftpd server program; transferring and deploying the configuration file to obtain a corresponding configuration environment; in the configuration environment, encoding a vsftpd source code, and installing a vsftpd program; configuring and starting a vsftpd service. In can be seen that the configuration file of the installed vsftpd server program is extracted, a configuration environment for the vsftpd is created by transferring the configuration, configuration is conducted after encoding is conducted, and thus access personnel achieve reading and writing operation for the root directory. The invention further discloses a system for supporting the user access to the vsftpd service root directory. The system has the same technical effect as the method.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Catering information processing method, device and system
ActiveCN110580665AImplement read and write operationsEasy to manufactureData processing applicationsCo-operative working arrangementsInformation processingRelevant information
The embodiment of the invention discloses a catering information processing method, device and system, and the system comprises service determinacy tracking equipment which is used for circulating between all manufacturing links together with materials and containers needed in the manufacturing process of a target meal; card receiving and sending equipment which is used for initializing an electronic identification card, and the initialization processing comprises the step of writing the related information and initialization state information of the target meal into the electronic identification card; read-write equipment which is used for reading the information stored in the electronic identification card and updating the state information of the target meal according to the read type of the target meal and the information of the previous state; and a server which is used for providing service information for associated client equipment according to the state information corresponding to the target meal. According to the embodiment of the invention, the problem of unbalanced supply and demand between the kitchen and the user is solved, and the manufacturing and management timeliness of the kitchen is optimized.
Owner:ALIBABA GRP HLDG LTD
Portable card reader
ActiveCN104615965AImprove portabilitySmall footprintSensing record carriersCard readerElectrical and Electronics engineering
The invention provides a portable card reader. The portable card reader comprises a circuit, a supporting shaft, a flexibly-deformed antenna panel which is connected with the supporting shaft, and a clamping slot; the circuit is arranged in the supporting shaft; the flexibly-deformed antenna panel which is connected with the supporting shaft is equipped with a flexibly-deformed antenna coil which is electrically connected with the circuit; an opening of the clamping slot is formed in the supporting shaft; the clamping slot passes through the supporting shaft and extends into the antenna panel. According to the card reader, the flexible panel separated from the circuit board is adopted and can coil the outer side of the outer wall of the supporting shaft under a non-working state, and therefore, the portability of the card reader can be obviously improved.
Owner:TENDYRON CORP
Per unit multi-bit storage device
The invention provides a per unit multi-bit storage device which comprises a storage cell array, a row address decoding module, a column address decoding module, a reading / writing control module, a plurality of first word lines and a plurality of first bit lines. According to the storage device disclosed by the invention, a semi-floating gate transistor with an embedded tunneling field-effect tube serves as a storage unit for data storage; on one hand, writing operation at relatively high speed can be realized through a band-to-band tunneling property of a tunneling diode, and on the other hand, threshold voltage of the transistor is controlled in a segmented manner, thus realizing per unit multi-bit storage.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
A device, system and method for realizing SIM card reading and writing
ActiveCN102779283BImplement read and write operationsGuaranteed accuracyCo-operative working arrangementsNear-field systems using receiversMobile Telephone NumberSupply management
Owner:亚信科技(中国)有限公司
Intelligent counter system with linear polarization near-field antennas applied to gold and jewelry industry
ActiveCN106785331ARealize online monitoringEasy to installAntenna supports/mountingsRadiating elements structural formsWeb serviceSafety monitoring
An intelligent counter system with a near-field linear polarization antenna array comprises anti-metal electronic tags, a micro balance, an image collection unit, a real-time checking unit, a sale safety monitoring system and an asset management database system. Each gold / jewelry article is provided with one smart-RFID dismounting-preventive tag, and the system makes information interaction for states, including stocked, to-be-sell, sold and after-sale, of each article via radio signals of the linear polarization near-field antenna unit / array, and inquires and automatic counts information of different types of articles according to information of the smart-RFID tags. The system is composed of independent control modules, and the modules execute related operations automatically and can receive control instructions from a cloud end / web server; and the system can realize distributed control for gold / jewelry assets of different counters of shops, each module has a control capability, the system flexibility is improved, and daily checking time of operators is reduced.
Owner:刘启达
Remote file system mirroring method and system based on client persistent cache
ActiveCN103116618BImprove experienceReduce dependenceTransmissionSoftware simulation/interpretation/emulationTraffic capacityFile system
The invention provides a localization mirror image method and a system of the mirror image method which achieve a telefile system with a local disk file system as a lasting caching space on client computing equipment in the network environment. By visiting a 'localization mirror image client-side system' applied on the client computing equipment, the telefile system is visited in a transparent mode. Part of files of the telefile system and part of data of the files are cached lastingly by the 'localization mirror image client-side system' through a 'local disk file system', and the 'localization mirror image client-side system' is responsible for maintaining the consistency of the local lasting caching telefile system. According to the localization mirror image method and the system of the mirror image method, the grain size is adopted as the smallest unit to achieve uploading and downloading of files of the local file system and telefile system, to achieve read-write operation of the files in local lasting caching, and to support lasting caching of part piece data of the files. By means of the localization mirror image method and the system of the mirror image method, visiting efficiency of a 'client application program' on the telefile system can be effectively improved so as to improve the client experience, and network flow is greatly saved.
Owner:NANKAI UNIV
Method and device for adjusting transmitting power based on application scene
ActiveCN104636776AImprove adaptabilityImprove experienceCo-operative working arrangementsComputer hardwareLogistics management
The invention discloses a method and a device for adjusting transmitting power based on an application scene, which relates to the field of the special application of paper money storage logistics management. The method comprises the steps: scanning a paper money carrier bag electronic seal array, and acquiring electric waves returned by the paper money carrier bag electronic seal; adjusting the transmitting power of a handheld terminal to the power which is suitable for effectively reading a target paper money carrier bag electronic seal from the paper money carrier bag electronic seal array according to the electric wave returned by the paper money carrier bag electronic seal array and the scanning time of the paper money carrier bag electronic seal; reading data of the target paper money carrier bag electronic seal by utilizing the adjusted transmitting power of the handheld terminal. According to the method, an intelligent algorithm is provided, and the transmitting power of the handheld terminal is automatically adjusted according to two application scenes so as to realize the switching of business mode. By adopting the method and device, the contradiction of two application scenes on the scanning distance and scanning quantity can be effectively avoided, the adaptability of the handheld terminal can be improved, and the user experience can be improved.
Owner:CHINA BANKNOTE PRINTING & MINTING +1
Servo driver and servo drive system
ActiveCN110568806AImplement read and write operationsSolve the problem of communication barriersProgramme controlComputer controlData transmissionModbus
The invention discloses a servo driver and a servo driving system. The servo driver comprises a DSP module, an Ethernet chip and a preset module; the DSP module and the Ethernet chip are connected incommunication connection through an SPI interface; the preset module is used for presetting a corresponding relationship between an address in a first communication protocol and a variable name in a second communication protocol; before SPI data transmission, the Ethernet chip is used for converting the data length of the variable data to be transmitted into a set length; and when SPI data transmission is carried out, the Ethernet chip is used for sending the variable data with the set length to the DSP module according to the address. According to the system, the SPI data transmission betweenthe DSP module and the Ethernet chip is realized by realizing the corresponding relationship between the preset communication protocols, the problem of communication obstacles between the Modbus protocol and the CoE protocol is solved, and the data transmission rate is improved by adopting a full duplex data transmission mode.
Owner:SHANGHAI ELECTRICGROUP CORP
Intelligent card operation equipment and operation method
InactiveCN106874985AMeet application needsMeet various application needsSensing record carriersRecord carriers used with machinesRadio frequencyCard reader
The invention discloses an intelligent card operation equipment and operation method and belongs to the technical field of intelligent card management. The operation equipment includes an intelligent card (10) and an intelligent card operation device (20). The intelligent card (10) includes an IC card chip (11). Two radio frequency antenna access points of the IC card chip (11) are each connected with a first physical connection contact (12). The intelligent card operation device (20) includes a non-contact IC card reader (21) and a radio frequency antenna (22). The two ends of the radio frequency antenna (22) are each connected with a second physical connection contact (23). By adopting the operation equipment and method provided by the invention, operation such as reading, writing, downloading and the like of the IC card chip without a radio frequency antenna is realized and different application requirements for the intelligent card are met better.
Owner:WATCHDATA SYST
Read-write control module and method for same port and dual-port memory
ActiveCN110097902AImprove real-time performanceAvoid complex designDigital storageControl signalComputer science
The invention discloses a read-write control module and method for the same port and a dual-port memory. The read-write control module aiming at the same port can generate each stage of delay of the clock delay generation module by configuring the clock delay; the reading time sequence and the writing time sequence are regulated and controlled; therefore, the read-write pulse generation module generates a read pulse signal and a write pulse signal which are staggered in time sequence, a port read-write control signal generated by the read-write control signal generation module performs read orwrite control on the read pulse signal and the write pulse signal respectively, and a word line control signal is generated in the word line control signal generation module, wherein the read pulse signal and the write pulse signal respectively comprise a plurality of read pulses and write pulses which are periodically distributed in time; the number of read pulses and write pulses in a period can be flexibly set according to actual read-write needs, so that word line control signals in different modes are generated, data can be read and written in sequence in a clock period, the structure issimple, regulation and control are convenient and efficient, and the data has high real-time performance.
Owner:EHIWAY MICROELECTRONIC SCI & TECH SUZHOU CO LTD
Method for achieving remote CPLD version reading
ActiveCN107544812AImplement read and write operationsDoes not take up logical resourcesProgram loading/initiatingRead throughComputer science
The invention provides a method for achieving remote CPLD version reading. The method comprises the steps that S1, the version number of a CPLD is written into a UFM in a file initialization mode; S2,data in the UFM is read by using a BMC, and current CPLD version information is displayed through a web interface. The CPLD is written into the UFM in the file initialization mode, internal data is not changed, and CPLD version information is remotely read through the web interface of the BMC.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
USB (universal serial bus) port reading and writing device and method of 1-wire bus
InactiveCN102385563ARead and write implementationImplement read and write operationsElectric digital data processingMicrocomputerMicrocontroller
The invention relates to a USB (universal serial bus) port reading and writing device of a 1-wire bus, which comprises a USB module and a 1-wire bus host, wherein the USB module comprises a single chip microcomputer with a USB cache, and a USB connector connected with the single chip microcomputer, and the USB connector is connected with a host computer; the host computer sends commands to the USB module, and the commands are converted into 1-wire bus commands by the USB module; and the 1-wire bus host comprises DIO (data input output) pins and a connector which is connected with the single chip microcomputer, and is used for simulating the 1-wire bus through the DIO pins, sending commands to a 1-wire bus slave device in different time sequences according to the 1-wire bus commands, reading the data returned by the 1-wire bus slave device according to the commands, temporarily storing the read data in the USB cache, and returning the data to the host computer through a USB. The invention also provides a USB port reading and writing method of the 1-wire bus. The invention is utilized to realize the reading and writing operation of the 1-wire bus device.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
USB (universal serial bus) equipment power supply processing method, equipment and system
InactiveCN103473204AImplement read and write operationsAvoid cumbersomeElectric digital data processingUSBConnected device
The invention provides a USB (universal serial bus) equipment power supply processing method, equipment and a system. The method includes that if first USB equipment is detected not to be powered on normally, power supply request information is sent to second USB equipment through a USB interface of the first USB equipment, and the second USB equipment is equipment connected with the USB interface through a USB so as to supply power to a storage unit connected with the USB interface, through the USB interface; a correct initiator received through the USB interface is written in the storage unit. Through the technical scheme, read-write operation can be performed on the storage unit of the first USB equipment without running a CPU (central processing unit) of the first USB equipment, and further a cumbersome process that initiators in a Nor flash space are updated by BDI (backward defection identification) or hardware burning in the prior art is avoided.
Owner:BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
A method and device for adjusting transmit power based on application scenarios
ActiveCN104636776BImprove adaptabilityImprove experienceCo-operative working arrangementsTelecommunicationsLogistics management
The invention discloses a method and a device for adjusting transmitting power based on an application scene, which relates to the field of the special application of paper money storage logistics management. The method comprises the steps: scanning a paper money carrier bag electronic seal array, and acquiring electric waves returned by the paper money carrier bag electronic seal; adjusting the transmitting power of a handheld terminal to the power which is suitable for effectively reading a target paper money carrier bag electronic seal from the paper money carrier bag electronic seal array according to the electric wave returned by the paper money carrier bag electronic seal array and the scanning time of the paper money carrier bag electronic seal; reading data of the target paper money carrier bag electronic seal by utilizing the adjusted transmitting power of the handheld terminal. According to the method, an intelligent algorithm is provided, and the transmitting power of the handheld terminal is automatically adjusted according to two application scenes so as to realize the switching of business mode. By adopting the method and device, the contradiction of two application scenes on the scanning distance and scanning quantity can be effectively avoided, the adaptability of the handheld terminal can be improved, and the user experience can be improved.
Owner:CHINA BANKNOTE PRINTING & MINTING +1
Mapping method for USB apparatus with storage function on network computer
InactiveCN100473070CImplement read and write operationsAchieve accessTransmissionMemory systemsSoftware designClient-side
The present invention discloses a USB equipment having memory function in network calculator mapping method. It contains installing FTP server software In network computer, setting USB equipment mapping client-side software in server, FTP server software designing FTP file directory as USB equipment file directory having memory function, server establishing FTP connection between network computer and server through USB equipment mapping client-side software and network computer FTP server software, server displaying USB equipment FTP links sign on connection desktop, server receiving network computer user clicked USB equipment FTP links sign instruction, calling browsing program, displaying network computer FTP file directory on browsing program interface and transmitting to network computer. The present invention can realize network computer read write operation to local USB equipment having memory function.
Owner:LENOVO (BEIJING) LTD
A portable card reader
The invention provides a portable card reader. The portable card reader comprises a circuit, a supporting shaft, a flexibly-deformed antenna panel which is connected with the supporting shaft, and a clamping slot; the circuit is arranged in the supporting shaft; the flexibly-deformed antenna panel which is connected with the supporting shaft is equipped with a flexibly-deformed antenna coil which is electrically connected with the circuit; an opening of the clamping slot is formed in the supporting shaft; the clamping slot passes through the supporting shaft and extends into the antenna panel. According to the card reader, the flexible panel separated from the circuit board is adopted and can coil the outer side of the outer wall of the supporting shaft under a non-working state, and therefore, the portability of the card reader can be obviously improved.
Owner:TENDYRON CORP
A graph database management system supporting unstructured data storage and query
ActiveCN109582831BImplement read and write operationsSupport matchingOther databases queryingMap database managementUnstructured data
The invention discloses a graph database management system supporting unstructured data storage and query, comprising: a Neo4j attribute graph model with tags based on the Neo4j graph database, used to store structured data and BLOB non-content attribute information, It also stores the unique ID of the allocated BLOB; a BLOB data storage model that supports the BLOB type, including an abstract storage model and a specific storage model, is used to store the content of the BLOB, and maintain the mapping relationship between the ID of the BLOB and the attribute information of the BLOB; A query module, used for querying the stored structured data and BLOB type data. This system can store structured data and unstructured data as BLOB type, and realize the query of the two kinds of data.
Owner:COMP NETWORK INFORMATION CENT CHINESE ACADEMY OF SCI
Method for Nandflash USB controller to read and write Norflash memory
ActiveCN101866695BSave development timeImplement read and write operationsRead-only memoriesSoftware designUSB
The invention relates to a method for a Nandflash USB controller to read and write a Norflash memory, which is characterized in that: using the hardware design of a traditional Nandflash USB controller, for the two situations of the multiplex design and the separated design of an address line and a data line in the Norflash memory, realizing the reading and the writing operation of the Nandflash USB controller to the Norflash memory by re-defining an original connecting port of the Nandflash USB controller and the memory and by adding a software driving program meeting the reading and writing operation time sequence requirements of the Norflash memory. The invention has the beneficial effects that the hardware of the USB controller does not need to be re-designed, the hardware resources of the traditional Nandflash USB controller can be utilized, the reading and the writing to the Norflash memory are realized through software design, thereby not only saving the hardware development cost and time, but also meeting the market demand and achieving very good economy.
Owner:苏州国芯科技股份有限公司
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