60results about How to "Achieve write" patented technology

The invention discloses a profile downloading method, a mobile terminal and a readable storage medium. The method comprises: when the profile downloading information is received, requesting the identity authentication information of an eSIM card from an eSIM card device and verifying the identity authentication information; when the profile downloading information is received, requesting the identity authentication information of the eSIM card from an eSIM card device. If the identity authentication information is verified, when the profile download confirmation instruction is detected, the profile download information and the identity authentication information are sent to the profile download server. The profile data returned by the profile download server is received, and the profile data is sent to the eSIM card device for the eSIM card device to write the profile data into the eSIM card. The invention can effectively improve the download convenience of the profile.

The invention discloses a logic circuit and an operating method thereof. The logic circuit comprises a resistive switching unit and a field effect transistor, wherein the positive electrode of the resistive switching unit is used as a first input terminal, the negative electrode of the resistive switching unit is connected with the drain of the field effect transistor to act as a cascade terminal,the gate of the resistive switching unit is used as a second input terminal, and the source of the field effect transistor is used as a ground terminal; the first input terminal is used to apply a logic operating voltage; the cascade terminal is used for an external circuit; the second input terminal is used to apply a logic input voltage signal; and the ground terminal is used for grounding. When a logic operation is performed, a Set voltage is applied to the positive electrode of the resistive switching unit, the source of the field effect transistor is grounded, the gate of the field effect transistor is connected with an input signal, the initial resistance state of the resistive switching unit is used as another input, and thus an IMP logic function can be realized; and various logicoperations such as NAND can be completed in the structure through multiple steps of repetitive operations or the external circuit. The scheme of the invention can realize a variety of logic functions, and is also simple to operate and easy to control.

The invention relates to the technical field of communication, and provides a remote card opening method and system and terminal equipment. The method comprises the steps that communication connection is established between a card and the terminal equipment, and the identification code of the card is transmitted to the terminal equipment; the terminal equipment forwards the identification code of the card to the card opening system to apply for card matching to the card opening system, and calculates a bluetooth pairing secret key of the card according to a bluetooth pairing secret key algorithm and the identification code; the card opening system judges matching of the identification code of the card and a terminal equipment registration user transmitting the identification code and issues a verification password corresponding to the card to the terminal equipment when the judgment result is yes; the terminal equipment judges consistency of the received verification password and the calculated bluetooth paring secret key and establishes bluetooth connection with the card when the verification password and the bluetooth pairing secret key are consistent; the terminal equipment applies for card opening to the card opening system; and the card opening system and the card realize APDU instruction commanding and APDU instruction responding operation through the terminal equipment. Remote card opening can be realized for the user.

The invention provides a data management method, middleware and a data management system. The method and the middleware obtain the collection data of a data collection party to generate the theme information of the collection data and package the collection data and the theme information, the collection data which packages the theme information is sent to a data storage party (to enable the data storage party to store the collection data to a storage position corresponding to the corresponding theme according to the theme information of the collection data), the collection data of the data collection party is written into the data storage party, so that the scheme of the invention can be used for writing the collection data of data collection parties including Flume OG and the like into data storage parties including Kafka and the like through the middleware, and the problem in the prior art that the collected log can not be written into Kafka since an early Flume version is not provided with a Kafka plugin is solved.

The embodiment of the invention discloses a method for realizing file reading and / or writing, comprising the following steps: a first hadoop distributed file system (HDFS) client receives file reading information and / or file writing information sent by a client terminal, wherein the first HDFS client is the preset HDFS client corresponding to the client terminal in default; the first HDFS client interacts with a name server according to the file reading information and / or file writing information and acquires file node information sent by the name server; and the first HDFS client finishes the file reading and / or writing according to a data server corresponding to the file node information. The embodiment of the invention further discloses the data server. According to the invention, the file reading and writing based on HDFS can be simply and quickly realized, and the storage of huge data amount is finished; and the method can be conveniently operated on common computers, thereby greatly improving the system compatibility.

The invention discloses a hard disk file system suitable for security application and an operation method thereof. A hard disk space is divided, a management block and a plurality of storage blocks are arranged, the management block is used for conducting distinguishing management on a hard disk and the storage blocks, the storage blocks are independent of one another and do not affect one another, and therefore efficient and safe multi-channel data operation and retrieval functions are achieved. According to the hard disk file system suitable for security application and the operation method thereof, a file system structure is programmed, multichannel writing is better achieved, and the demand for multichannel real-time writing and synchronous playback is efficiently met; the safety of a file system is improved, and the file system is effectively prevented from being damaged; meanwhile, the management function is complete, and efficient using is convenient.

The invention provides a liquid crystal display panel and a display method and a display assembly thereof and belongs to the technical field of display. Through the liquid crystal display panel, the problem that an existing electronic tablet cannot achieve the effect of erasing specified content information at a specified position can be solved. According to the liquid crystal display panel, by exerting pressure on or heating a partial position of a first substrate, a cholesteric liquid crystal corresponding to the position is switched between a plane state and a focal conic state, and therefore write-in of information and erasing of the specified information are realized. According to the liquid crystal display panel, an upper electrode and a lower electrode are not needed, so that the material cost and the process cost are greatly lowered. The liquid crystal display panel is simple in structure and convenient to use and has a huge application prospect in the fields of tablets, intelligent cards and the like.

The invention discloses a pixel driving circuit, a driving method of the pixel driving circuit and a display panel. The pixel driving circuit comprises: a driving module used for providing driving current for a light-emitting module, wherein the light-emitting module is used for emitting light in response to the driving current; a data writing module which is used for providing data voltage for the driving module; a storage module which is used for maintaining the potential of the driving module; a compensation suppression module which is used for compensating the threshold voltage of the driving module and suppressing the leakage current of the driving module; and an initialization module which is used for initializing the driving module through the compensation suppression module. The compensation suppression module can reduce the leakage current of the control end of the driving module passing through the compensation suppression module, so that the leakage current phenomenon of the control end of the driving module can be improved. Meanwhile, a leakage current path can be prevented from being formed between the driving module and the initialization module, the leakage current phenomenon of the control end of the driving module is further reduced, the stability of the pixel driving circuit is improved, and therefore the display image quality of the display panel is improved.

A magnetic tunnel junction device and a magnetic random access memory device thereof are disclosed, The device relates to an artificial antiferromagnetic device capable of assistingturnover of a freemagnetic layer and a fixed magnetic layer, wherein the artificial antiferromagnetic device can realize the transition from the antiferromagnetic state to the ferromagnetic state through the electric field control, and cooperates with the fixed magnetic layer to assist the free magnetic layer to turn over. A magnetic random access memory device include a magnetic tunnel junction through which a current passes and that free magnetic lay flips under the assistance of an electric field. After the free magnetic layer flips, the electric field is removed, and the composite multilayer structure is returned to the antiferromagnetic state from the ferromagnetic state, while the free magnetic layer remains in the flipped state, so as to realize the data writing. A magnetic random access memory device is composed of a synthetic multilayer film structure and a magnetic tunnel junction and the purpose of writing data is achieved through the combined action of an electric field and an electric current. That magnetic random access memory device has the advantages of high speed, low power consumption and nonvolatility.

The invention relates to a method for editing electronic paper. In the method, the editing operations are carried out on the electronic paper, such as read-in, clear, and the like, by utilizing a touch control pen; the touch control pen is provided with a switch device, and a lead wire is led out from one end of the touch control pen and connected to the electronic paper. When the touch control pen touches the electronic paper, the touch control pen carries out corresponding editing operations, such as read-in, clear, and the like, by utilizing interactions among electric charges. The invention has simple steps and realizes editing actions of arbitrary writing or erasing and the like on the electronic paper, thereby facilitating reading, and realizing the editing actions of read-in, clear, and the like.

The invention discloses a magnetic random access memory (MRAM) and a writing method, a reading method and a preparation method thereof. The magnetic RAM includes a substrate layer, a ferroelectric layer, a composite anti-ferromagnetic structure, a first isolation layer and a first ferromagnetic layer that are successively stacked. The composite anti-ferromagnetic structure is the free layer of theMRAM. The first ferromagnetic layer is the fixed layer of the MRAM. The ferroelectric layer is subjected to polarization or lattice distortion under the effect of applied voltage in order to change the coupling state of the composite anti-ferromagnetic structure. The first ferromagnetic layer has a constant first magnetic moment direction. The first isolation layer is configured to control the first magnetic moment direction not to be affected by the coupling state of the composite anti-ferromagnetic structure. The MRAM achieves writing by using the transformation of ferromagnetic coupling and anti-ferromagnetic coupling of the composite anti-ferromagnetic structure under the effect of an electric field, and solves a problem that the MRAM has a large size and a low storage density becauseof a large line width during the writing achieved by the induction magnetic field or polarization current of a wire.

An IC card capable of writing information without requiring a writer. The IC card (1) comprises an IC chip (3), an antenna (4) and a plurality of lines (5), all incorporated in a card body (2), terminals (6, 7) connected to the forward end of each line (5), and conductive seals (8) pasted to the surface of the card body (2) and conducting the terminals (6, 7) to each other. When an arbitrary one of the plurality of conductive seals (8) is stripped, conduction of a line (5) corresponding to the stripped conductive seal (8) is interrupted. Since the IC chip (3) transmits a signal corresponding to the conducting / interrupting state of the plurality of lines (5) to a reader, information can be written by simply stripping the conductive seal (8) without requiring any special writer, and convenience is enhanced significantly.

The invention relates to a data transmission system in eSIM remote configuration. The system comprises a first terminal, a second terminal, a Profile downloading server, an encryption machine 1 and anencryption machine 2. Meanwhile, the invention also relates to a data transmission method in eSIM remote configuration. After the identity authentication information passes the verification; profiledata can be directly downloaded from a Profile downloading server through a mobile terminal; the Profile data is forwarded to the eSIM card equipment, so that the Profile data writing of the eSIM cardis realized. The Profile downloading server can be quickly and effectively connected to download the Profile, and the downloading convenience of the Profile is improved. After the encryption machine1 and the encryption machine 2 perform multiple encryption on the Profile plaintext by using the corresponding key, the Profile ciphertext is not easy to steal in the downloading, transmission and installation processes, and the security of Profile data downloading is improved.

The invention relates to the technical field of data storage, and provides a power-down protection circuit, a data storage device and a power-down protection method. The working voltage of a solid-state driver is monitored in real time through a power supply detection circuit, and the capacity of a power storage capacitor is obtained through a capacitor management circuit, so that a power supply control circuit controls the power supply according to the capacity of the power storage capacitor; the input power supply is controlled to charge the power storage capacitor, the power failure protection mechanism is triggered when it is judged that power failure occurs in the solid-state driver, and a corresponding storage mode is adopted in combination with the capacity of the power storage capacitor to store the data, so that the effectiveness of the electric quantity of the power storage capacitor is ensured, and different strategies are adopted for writing of the data. Enough conversion tables of user data and data pages can be stored as much as possible under the condition of limited capacitance.

The invention discloses a database data storage and tamper-proofing system and method based on a block chain contract, which are applied to a scene of storing data of a database in a block chain. The database data storage and tamper-proofing system comprises a block chain contract subsystem, a database data uplink subsystem and a data verification subsystem, wherein the block chain contract subsystem comprises a block chain contract module and a block chain contract interface module; the database data uplink subsystem comprises a database monitoring module and a block chain contract calling module; the data verification subsystem comprises a data query module and a data comparison module. According to the method, the database data can be safely stored in the block chain contract, all data and operation information of the database can be recorded, and the data on the block chain can be verified and compared with the database data to serve as an evidence for judging whether the database is tampered or not.

The embodiment of the invention provides a cross-domain communication method, system and device for an intelligent cabin and a storage medium. The method comprises: applying for a shared memory, and creating a sending thread and a receiving thread; writing, by the input field module, at least one signal data into the shared memory according to the operation instruction; performing standardization processing on the signal data according to a unified data layering model; reading, by the receiving domain module, the message content of the standardized signal data of the shared memory in sequence; and when the message content is the application program instruction, executing by the corresponding application program. Standardization processing is carried out on signal data by adopting a unified data layering model, and the problem that domain modules of different operating systems write and read the signal data is solved, so that cross-domain communication is realized under the condition that a network interface and a protocol stack are not needed. In addition, a shared memory is adopted among a plurality of domain modules to write and read data, so that the cross-domain communication rate is further improved.

The invention discloses a cloud storing system, which comprises a metadata server, a data storing server and a client, wherein the metadata server, the data storing server and the client are respectively correspondingly connected through a TCP / IP network protocol; the metadata server is constructed by adopting centralized architecture and used for storing and managing metadata information of all files in a cloud storing system; the data storing server is constructed by adopting cluster type architecture and is used for storing a file data block and providing a data reading and writing serviceto the client; and the client is used for a user to input an operational instruction so as to implement writing, reading and deletion of the files. According to the technical scheme in the invention,a control stream and a data stream of the file are separated; a load balancing and data redundancy strategy of a storage resource is supported; and the system performance is improved.

The invention relates to the technical field of memories, in particular to a self-reference storage structure and a storage and calculation integrated circuit, and the self-reference storage structurecomprises: three transistors including a first transistor, a second transistor and a third transistor; and two magnetic tunnel junctions that comprise a first magnetic tunnel junction and a second magnetic tunnel junction; the first magnetic tunnel junction is connected in series between the first transistor and the second transistor; the second magnetic tunnel junction is connected in series between the second transistor and the third transistor; when the first transistor, the second transistor and the third transistor are started, write-in of one-bit binary information is realized; when data storage is realized, one-bit binary writing can be realized only by applying one-way current, and the device is low in time delay, low in power consumption and high in data reading margin in the writing process.

The invention discloses an anti-crosstalk flexible transparent memory array and a production method thereof. A transparent selectron serves as a driving tube, repeated erasing and writing of a circuit on memory cells can be achieved through the bidirectional continuity characteristic of the selectron, and a problem of crosstalk is resolved. As the driving tube of the memory array, the selectron resolves the problems of large area of transistors and restriction of unipolar operation of diodes and is adapted to scaling-down process of components. Moreover, the production method of the selectron is simple and cost is saved. The anti-crosstalk flexible transparent memory array uses flexible transparent materials and combines a flexible transparent electronic system, the driving tube and a resistance random access memory. Besides the characteristic of the resistance random access memory, the anti-crosstalk flexible transparent memory array also has the advantages of being flexible, transparent and the like, and particularly resolves the memory crosstalk problem in an integrated array. The produced memory array can be used in electronic paper, flexible transparent display, and other relative electronic systems widely.

The invention belongs to the technical field of data transmission networks, and discloses an optimization method, system and terminal for pre-reading descriptors in an unloading engine network card, and the optimization method comprises the following steps of pre-reading the descriptors in a DMA (Direct Memory Access) receiving module of a TCP / IP (Transmission Control Protocol / Internet Protocol) unloading engine; after pre-reading succeeds, updating information of descriptors in the queue, and judging whether the number of the descriptors meets the maximum storage threshold and the minimum storage threshold or not; and if yes, continuing to send the SQ pre-reading request to the DMA receiving module. The problem that too many cache resources are occupied when descriptors are stored in an existing TCP / IP unloading engine network card is solved. According to the method, dynamic storage of the descriptors in the cache region can be achieved, waste of storage resources is reduced, software can dynamically manage the maximum threshold and the minimum threshold of the storage space of each queue according to the activity degrees of different sessions, then the number of the descriptors pre-read by each queue is flexibly adjusted, and pre-reading of the SQ descriptors is more efficient and balanced.

The invention discloses a flexible memory based on a two-dimensional material. The flexible memory comprises a flexible substrate, and an indium tin oxide layer, an aluminum oxide barrier layer, a nano graphene layer, an aluminum oxide tunneling layer, a molybdenum disulfide layer and a metal electrode which are sequentially arranged on the flexible substrate from bottom to top. The flexible memory based on the two-dimensional material has the beneficial effects that the flexible memory utilizes the density-adjustable nano graphene to effectively capture, release and transfer electrons under different working conditions, so that the writing and erasing processes of a device are realized; and the multi-state storage performance of the flexible memory under the action of different mechanicaland optical signals is realized by utilizing the combined action of the input voltage provided by a nano-generator under mechanical motion and incident illumination.

The invention discloses a programmer and a programming method thereof. The programmer comprises a main control chip, a FLASH data storage module, an operating state display module, a functional selection switch, a communication interface module of an upper computer and a programming interface module between the programmer and a chip to be programmed, wherein the main control chip is connected with the FLASH data storage module, the operating state display module and the functional selection switch respectively; the communication interface module is connected with the upper computer and the main control chip; and the programming interface module is connected with the main control chip and the chip to be programmed. The programmer can support an on-line operation mode and an off-line operation mode.

The invention provides a low-voltage power-off control method, a device and an electric vehicle, and relates to the technical field of vehicle control. The low-voltage power-off control method comprises the steps of receiving a low-voltage power-off instruction; detecting a program running state; under the condition that the program running states are all in the release state, controlling the electrified erasable programmable memory to execute write operation; and when the electrified erasable programmable memory EEPROM is in a release state, low-voltage power-off is controlled. According to the scheme, the low-voltage power-off process is completed quickly, efficiently and safely.

The disclosure provides a piezoelectric magnetic random access memory and a preparation method thereof. A piezoelectric film is deformed by applying a voltage to both ends of a piezoelectric layer, and the deformation is transferred to a magnetic free layer to control the magnetic moment of the magnetic free layer in a magnetic tunnel junction to generate 90-degree or nearly 90-degree turning, including that the magnetic moment of the magnetic free layer in a vertical tunnel junction turns from the direction perpendicular to the surface of the layer to the in-plane direction (Vertical to Parallel, V-P type), or the magnetic moment of the magnetic free layer has 90-degree or nearly 90-degree turning in the in-plane direction (Parallel to Parallel, P-P type); and by testing the change of thevoltage at both ends of the magnetic tunnel junction, the change of the tunneling resistance is obtained, and the information is further written. The scheme of the disclosure no longer uses a traditional mode of realizing the magnetization reversal of the magnetic free layer by using high-density current, effectively reduces the energy consumption, effectively controls the thermal effect, and further prolongs the operating life of the device.

The present application provides a method for regulating the storage state of a resistive variable memory. The resistive variable memory includes two electrode layers and an insulating layer between the two electrode layers. The two electrode layers are respectively the first electrode layer and the second electrode layer. At least one electrode layer is a ferromagnetic electrode layer. The storage state regulation method Including: step S1, applying a first voltage between two electrode layers, so that the potential of at least one ferromagnetic electrode layer is higher than the potential of the other electrode layer, so that a magnetic channel is formed in the insulating layer; step S2, applying a voltage to the two electrodes A second voltage is applied between the layers to cause a phase transition of the ferromagnetic material in one of the ferromagnetic electrode layers. This control method does not involve the fracture process of conductive filaments, which alleviates the fluctuation of resistance transition, and makes the RRAM array formed by RRAM more widely used. This control method is easy to operate, can reduce the cost of memory peripheral circuit design, and is beneficial to Its large-scale integration and practical application.

The invention discloses a multi-FPGA system online updating method and system and computer equipment, the multi-FPGA system comprises at least two FPGAs, channel selection modules and storage modules, the second FPGA is connected with the corresponding storage module through the corresponding channel selection module, the first FPGA is connected with the corresponding storage module through the corresponding channel selection module of the second FPGA, and the first FPGA is connected with the corresponding storage module through the corresponding channel selection module of the second FPGA. The method comprises the steps that an upper computer specifies a first FPGA and a second FPGA; the first FPGA obtains the update data from the upper computer, switches the channel selection module corresponding to the second FPGA to the first channel, and then sends the update data to the corresponding storage module through the first channel; the first FPGA sends an instruction to the second FPGA, the channel selection module corresponding to the second FPGA is switched to the second channel, and the second FPGA obtains the update data from the storage module through the second channel and updates the update data. According to the invention, more efficient and flexible online updating is realized.

A many-core definable distributed shared storage structure comprises an internal data bus system, a routing unit, processor cores, a network interface unit and a memory module. A routing unit is arranged at the intersection of the transverse bidirectional data line and the longitudinal bidirectional data line; the processor core is connected with the routing unit through the network interface unit, and the routing unit and the network interface unit are connected through a processor core storage access bus; and the memory module is directly connected with the routing unit. A routing table is integrated in the network interface unit, a destination physical coordinate position is directly inquired according to a storage access address sent by the processor core, and after the destination coordinate position is added to a packet header of a data packet, the data packet can reach a memory module to be accessed through the routing unit under the guidance of a destination coordinate. The method can overcome the defects that an existing many-core processor storage system is fixed in address space and does not support ping-pong operation, and memory modules cannot be flexibly combined.

The invention provides a shared memory access control method and device, electronic equipment and an automatic driving vehicle, and relates to the technical field of artificial intelligence, in particular to unmanned driving and operation system technologies. The method comprises the following steps: creating and initializing a shared memory, wherein the initialized shared memory comprises a plurality of region configuration objects, a plurality of block configuration objects and a plurality of data buffer regions; determining at least one target block through the data volume of the to-be-written data corresponding to the first process; and writing the to-be-written data into a target data buffer region corresponding to the at least one target block through the first process, storing the configuration information of the at least one target block into a region configuration object corresponding to the target region, and storing the configuration information of the target data buffer region into a block configuration object corresponding to the at least one target block. According to the method, self-adaptive length data writing is realized.

The invention relates to the technical field of communication, and provides a remote card opening method and system and terminal equipment. The method comprises the steps that communication connection is established between a card and the terminal equipment, and the identification code of the card is transmitted to the terminal equipment; the terminal equipment forwards the identification code of the card to the card opening system to apply for card matching to the card opening system, and calculates a bluetooth pairing secret key of the card according to a bluetooth pairing secret key algorithm and the identification code; the card opening system judges matching of the identification code of the card and a terminal equipment registration user transmitting the identification code and issues a verification password corresponding to the card to the terminal equipment when the judgment result is yes; the terminal equipment judges consistency of the received verification password and the calculated bluetooth paring secret key and establishes bluetooth connection with the card when the verification password and the bluetooth pairing secret key are consistent; the terminal equipment applies for card opening to the card opening system; and the card opening system and the card realize APDU instruction commanding and APDU instruction responding operation through the terminal equipment. Remote card opening can be realized for the user.

The invention discloses a method for reading and writing RFID (Radio Frequency Identification) electronic tag data. According to the method, the RFID electronic tag identification effectiveness is checked, and the integral reading and writing is realized; through two-stage database operation processing, practically stored fund information of a user is subjected to decryption operation; after the comparison result shows that no error exists, business data in an RFID electronic tag is read step by step; a specified data block and a standby data block of an RFID electronic tag identification are continuously subjected to reading and writing operation by calling DLL (Dynamic Link Library) software; after the complete information is formed, the decryption operation is completed; the complete information is transmitted into a local database through an online POS (Point Of Sale) machine and is transmitted into a center database through middleware; the two-stage database operation processing is realized; the business data operation is carried out; and finally, the integral writing-in and reading-out operation of business information data is realized. An application system can effectively recognize and manage RFID cards, and importantly, the integrality and the security of information data on the RFID electronic tag and the application system can be improved.