176 results about "Read only storage" patented technology

System and method for performing backups of a multi-class file system are described. In one embodiment, more recently modified data may be assigned and / or migrated to higher storage classes and less recently modified data may be migrated at time intervals to lower storage classes in the multi-class file system. Backups of each of the storage classes may be performed at time intervals. In one embodiment, the backups may be image-based backups of the storage devices in the storage classes. In one embodiment, the lower storage classes may include one or more read-only storage classes including less-recently modified data that are backed up less frequently than higher storage classes including more-recently modified data. In one embodiment, files migrated to lower storage class(es) may be compressed.

System and method for performing operations in a multi-class file system without requiring split mirrors. For one or more storage classes in the multi-class file system, operations that require stable copies of the storage classes may be performed without using split mirrors. In one embodiment, read-only data may be assigned and / or migrated to lower storage classes, and operations may be performed on the read-only storage classes without using split mirrors. In one embodiment, to perform an operation without using a split mirror, a write lock of a storage class may be examined to determine if the write-locked storage class has been written to during the operation on the storage class and, if so, the operation may be retried for the storage class. In one embodiment, the file system software may be blocked from enabling a storage class for writing for the duration of the operation on the storage class.

The method and system for limiting the number of installations of a computer software program located on a read only disk from the read only disk to a computer. The read only disk is linked to a removable read / write memory by data on the removable read / write memory corresponding to data on the read only disk. Prior to installation of the computer software program from the read only disk to the computer, software residing on the removable read / write memory determines whether the installation is authorized. Such determination is made by comparing identification information corresponding to computers on to which the computer software program has previously been installed to installation limitations dictated by a software license agreement.

A system, method and computer program product for enhancing a real-time operating system (RTOS) with functionality normally associated with a general purpose operating system (GPOS). A hypervisor that is adapted to perform a real-time scheduling function supports concurrent execution of an RTOS and a GPOS on a system of shared hardware resources. The RTOS or its applications can utilize services provided by the GPOS. Such services may include one or more of file system organization, network communication, network management, database management, security, user-interface support and others. To enhance operational robustness and security, the hypervisor can be placed in read-only storage while maintaining the ability to update scheduling mechanisms. A programmable policy manager that is maintained in read-write storage can be used to dictate scheduling policy changes to the hypervisor as required to accommodate current needs.

The invention discloses a robot motion control system, relates to the technical field of robot motion control, and aims to solve the problems of poor universality, poor extensibility and poor system openness existing in the existing robot motion control system. A control terminal subsystem comprises a human-computer interaction interface and a working thread module; a server terminal subsystem comprises an instruction interpreter, a server and an interaction module; a user transmits an operation instruction through the human-computer interaction interface; the operation instruction is converted into an instruction which can be recognized by the instruction interpreter by using the working thread module and is transferred to the instruction interpreter through network; the instruction interpreter is used for converting the received instruction into a joint path command by calling MoveIt ! and releasing on a node of an ROS (Read Only Storage) server; a PMAC (Programmable Multi Axis Controller) interconnection module receives the joint path command from the ROS server and converts into a motion control instruction through a PMAC communication protocol and transfers to PMAC through network. The system has higher modularization degree and extremely strong universality and can be compatible with various multi-degree-of-freedom series robots.

An optical recording medium having a read-only storage area and a writable storage area and a recording / reproducing apparatus and method therefor. The optical recording medium is a hybrid disc having both the read-only storage area, which is suitable for mass production of information having the same contents, and the writable storage area on which data can be recorded, updated or added at a user's option. The read-only storage area has a structure that is completely compatible with a digital versatile disc read only memory (DVD-ROM) specification, and the writable storage area is compatible with the recording / reproducing characteristics of a writable DVD specification so that an existing reproducing-only apparatus can read information from the read-only storage area, and data can be recorded in the writable storage area using an apparatus obtained by minimally changing an existing recording / reproducing apparatus while maintaining the physical recording characteristics of the existing recording / reproducing apparatus.

The invention discloses a semantic map construction method based on cloud robot mixed cloud architecture, and aims to achieve a proper balance for improving object identification accuracy and shortening identification time. The technical scheme of the method is that mixed cloud consisting of a robot, a private cloud node and a public cloud node is constructed, wherein the private cloud node obtains an environment picture shot by the robot and milemeter and position data on the basis of an ROS (Read-Only-Storage) message mechanism, and SLAM (Simultaneous Location and Mapping) is used for drawing an environmental geometric map in real time on the basis of the milemeter and position data. The private cloud node carries out object identification on the basis of an environment picture, and an object which may be wrongly identified is uploaded to the public cloud node to be identified. The private cloud node maps an object category identification tag returned from the public cloud node and an SLAM map, and the corresponding position of the object category identification tag on a map finishes the construction of a semantic map. When the method is adopted, the local calculation load of the robot can be lightened, request response time is minimized, and object identification accuracy is improved.

The present invention provides a non-volatile memory cell structure suitable for the flash memory cell and EEPROM cell (electrically erasable programmable read only memory cell) to perform the byte programming and byte erase operations. In the programming operation, a higher negative voltage applied to the drain region, such that the hot hole is generated to induce the hot electron into the floating gate through the tunneling oxide layer in the lateral electrical field. In addition, the gate voltage is around the threshold voltage, which dependent on the integration circuit device design. Furthermore, the non-volatile memory cell utilized the channel Fowler-Nordheim tunneling for erasing operation. In order to perform the byte erasing operation, the drain junction used as an inhibition switch. Thus, the unselected cell in the same word line is inhibited by biasing the drain to ground. Therefore, the word lines of unselected cells are ground.

The invention relates to the field of electronic techniques, in particular to a single chip microcomputer program upgrading method and device. According to the single chip microcomputer program upgrading method, a read-only storage area is set in a user program code area of a single chip microcomputer and used for storing a default program of the single chip microcomputer; firstly, partitioned user programs in the single chip microcomputer are verified, when verification of all the partitioned user programs fails, the default program of the single chip microcomputer is operated, the single chip microcomputer returns to a default mode, user programs in a read-write storage area are restored, and the single chip microcomputer returns to the initial state before upgrading. After the user programs are restored, the single chip microcomputer can continue to be upgraded, and safety and reliability of a whole distribution type system are improved. Moreover, when verification of the user programs succeeds and upgrading of the user programs of the single chip microcomputer is allowed, user programs corresponding to target version numbers which are issued by an upper computer in a broadcasting mode are received, multi-node simultaneous upgrading is achieved, and upgrading efficiency is improved.

The method includes following steps: setting up computer to make computer support starting up operation from memory media; starting up computer, booting computer from prearranged memory media till kernel of operating system is loaded; non-interactive mode is adopted to drive computer devices circularly till driving, configuring and using computer devices are successful. The invention also discloses an integrated operating system running on multiple memory media. The invention solves difficult issues: non-interactive configuring drive of hardware including pointer device, display resolution of screen, refresh rate etc. as well as entering into graphic user interface. Compressed file system is utilized in the method to increase effective memory capacity. The method can be run on read only memory media so as to physically solve the issue that malicious program modifies or intrudes files of operating system.

The invention discloses a BIOS on-line upgrading device, comprising: a single plate, which comprises a ROM for storing BIOS program and at least two flash memories for storing two extended BIOS programs; a device stored with a upgrading-version BIOS program, connected with the single plate to upgrade the low-version BIOS programs in the flash memories through the channels such as network interface and serial interface. The invention also discloses a BIOS on-line upgrading method, comprising the steps of: if there is a new version BIOS program, judging the extended BIOS programs in the flash memories are valid: if valid, selecting the lower-version BIOS programs for upgrading; otherwise selecting arbitrary invalid BIOS programs for upgrading. Because of the two latest version BIOS programs, even if the on-line upgrading fails, it will normally start up the communication equipment.

A display device includes an ID storage section which is a read-only storage and stores a display ID being exclusive to the display device and readable by a computer. An ID judgment section judges whether or not the display device is entitled to reception of content data, based on the display ID read out from the display device. When the display device is authenticated, a communication section of a content data delivery device delivers the content data to the display device. As a result, individual authentication of the display device and selective delivery of the content data to the display device, by the content data delivery device, can be realized. Namely, it is possible to provide the display device, which ensures individual authentication, and to which content data can be selectively delivered.

The embodiment of the invention discloses a solid state disk, a BIOS device and a method and equipment for booting an operating system by using the solid state disk, wherein the solid state disk comprises a PCIE interface and an ROM, and drive information needed for establishing the communication link of the BIOS device and the solid state disk is stored in the ROM, so that the BIOS device can acquire a master boot record needed for booting the operating system from the solid state disk to start the operating system. The drive information for supporting solid state disk booting is solidified in the ROM space of the solid state disk to solve a problem that the solid state disk with the PCIE interface can not be identified by the BIOS device and can not boot the operating system, so that the BIOS device can identify the solid state disk with the PCIE interface, therefore, the solid state disk with the PCIE interface can be used for booting the operating system, and the starting speed ofthe operating system can be markedly increased.

The embodiment of the invention provides a mask intelligent card and a function expanding method thereof, relating to the field of intelligent cards and aiming at realizing the function expansion, i.e. program modification and upgrade and the like of the mask intelligent card. The mask intelligent card comprises a read-only storage, a random storage and a nonvolatile erasable storage, wherein theread-only storage stores a project file of the mask intelligent card; and the project file contains multiple performance functions. The function expanding method of the mask intelligent card comprises the following step that: a program of the read-only storage calls and stores a patch function of the nonvolatile erasable storage through a function call table stored in the nonvolatile erasable storage, wherein corresponding function call relationship defined by the function call table points to the patch function. The embodiment of the invention is used for the function expansion of the mask intelligent card.

The invention discloses a face and pedestrian perception system based on a depth camera. The system is applied to scenes including a mobile robot, intelligent monitoring and the like. The system at least comprises three modules, wherein a hardware layer module is used for accessing various heterogeneous cameras; a driving layer module is used for unifying various camera driving interfaces through an ROS (Read-Only-Storage) system; and an application layer module comprises a face / head detector based on a Dlib trainer and RGB(Red, Green and Blue)-D information, a pedestrian detector based on a multi-modal deep learning model and a pedestrian tracker based on a multimachine system. The system can be divided into a single-depth camera system and a multi-depth camera system by aiming at the number of cameras, the perception application of the single-depth camera system comprises face detection and identification and pedestrian detection and tracking; and the multi-depth camera system overcomes the defects of small coverage, a camera network is formed, and the cross-region long-time tracking of the pedestrian is realized.

The embodiment of the invention discloses a method, a device and a system for managing a user terminal equipment region, relating to the technical field of communication and aiming at realizing the regional fine management of an operator for user terminal equipment. The method includes the following steps: a business operation supporting system divides the region of the operator into subregions representing each community, and sends feedback about a serial number of the stored user terminal equipment and information of the divided subregions to an ITMS (integrated terminal management system);the ITMS configures the serial number of the user terminal equipment into the corresponding subregion, and sends a network domain name corresponding to the subregion to the user terminal equipment when the user terminal equipment is in registration; the user terminal equipment writes the network domain name corresponding to the subregion into a read-only storage chip, intercepts and captures an account number used by a user when in PPPoE dialing, adds the network domain name to generate a complete account number, and then sends the complete account number to local side equipment of the operator to carry out network authentication.

The invention discloses an intelligent meal delivery robot system based on a WeChat applet and an ROS (read-only-storage) and a meal delivery method of the system. The system comprises a mobile terminal provided with the WeChat applet, a cloud server, a host and an intelligent meal delivery robot, order information and position information are submitted to the cloud server by a user through the wechat applet on the mobile terminal, the host of a dining room acquires the order information and the position information from the cloud server, and an ROS module arranged in the host plans a route and then transmits instructions through a local area network to drive the intelligent meal delivery robot to automatically move to a meal taking area, take meals and automatically deliver the taken meals to the user. The WeChat applet based by the intelligent meal delivery robot system has the advantages of convenience in operation, huge user number and the like, so that the system is more easily popularized.

The present invention relates to an improved read only memory device. The read only memory device includes a read only memory cell array with a plurality of first read only memory cells and a plurality of second read only memory cells. A reference memory cell array includes a plurality of first reference memory cells and at least one second reference memory cell. A dummy memory cell array includes a plurality of first dummy memory cells and a plurality of second dummy memory cells. A reference word line selecting circuit selects the reference word line responsive to a row address.

A semiconductor memory device included in a system-on-chip (SOC) or a microcomputer chip. The semiconductor memory device may include a flash memory cell array unit and a mask read-only memory (ROM) cell array unit which are formed in a single memory block without an isolation layer for separating the two units. Transistors included in the flash memory unit and the mask ROM unit are the same type and may have two threshold voltages. The transistor in each memory cell unit may be a split gate transistor, a metal-oxide-nitride-oxide-silicon, or silicon-oxide-nitride-oxide-silicon transistor. Further, the transistor included in the mask ROM unit in the semiconductor memory device may include enhancement transistors or depletion transistors in which a dopant ion-implanted region is formed at channel portions.

In order that a TV connected to network can be uniquely identified, the invention provides a TV chip with a unique identifier. A non-volatile memory cell is provided in the TV chip, and the unique identifier that can be uniquely identified in a determined scope is stored in the memory cell. After the unique identifier is written in the memory cell, the memory cell is set up as a read-only memory cell; and the TV chip is arranged in a TV that can be connected to network. The technical scheme of the invention can be applied to the television decoding chip in the TV, wherein the TV is connected to the network, a specific TV can be identified through the network, so that it will be easier and more accurate during consumption of users owning the TV in the record.

A method and system for providing an executable module having an address space for storing program data that is to reside in a read-only storage medium and an address space for storing program data that is to reside in a random access memory is herein described. The executable module represents Java classes that are structured for dynamic class loading. A static class loader is used to modify the class structure to accommodate static loading. The static class loader also identifies methods that contain unresolved symbolic references and data that varies during the execution of the module. These methods and data are identified in order to place them in the address space that resides in the random access memory. The static loader is beneficial in a distributed computing environment having a client computer that has little or no secondary storage thereby requiring applications to run entirely in random access memory. By utilizing a read-only memory to store statically loadable classes, the random access memory is left available for other uses.

The invention discloses an encryption method for an error learning problem in ring domain and a circuit. The method comprises the following steps: sampling a polynomial and a noise polynomial and performing the number-theory transformation; operating the result after the number-theory transformation, obtaining a public key and a ciphertext, and completing the encryption of the to-be-encrypted information. The invention also discloses a circuit to realize the method and the circuit comprises: an encryption controller, a to-be-encrypted information storage device, a Gaussian sampling module, a read-only storage device, a Gaussian data storage module, a number-theory conversion processor, an iterative modular multiplication module and a ciphertext storage module. The Gaussian sampling module samples and generates a polynomial and a noise polynomial; the number-theory conversion processor is used to perform the number-theory transformation to the polynomial, the noise polynomial and the constant polynomial and to generate the ciphertext after operations on the to-be-encrypted information, the noise polynomial and the public key. The method and the circuit of the invention greatly increase the operational efficiency of the circuit, reduce the loss of the circuit, and ease the realization cost of an encryption circuit for the error learning problem in ring domain.

A semiconductor memory device included in a system-on-chip (SOC) or a microcomputer chip. The semiconductor memory device may include a flash memory cell array unit and a mask read-only memory (ROM) cell array unit which are formed in a single memory block without an isolation layer for separating the two units. Transistors included in the flash memory unit and the mask ROM unit are the same type and may have two threshold voltages. The transistor in each memory cell unit may be a split gate transistor, a metal-oxide-nitride-oxide-silicon, or silicon-oxide-nitride-oxide-silicon transistor. Further, the transistor included in the mask ROM unit in the semiconductor memory device may include enhancement transistors or depletion transistors in which a dopant ion-implanted region is formed at channel portions.

The invention provides a fault information storage method and device. The method comprises the steps of detecting the data volume of fault information needed to be stored currently; checking the remained space of a first storage area for storing fault information in the random access memory in a vehicle; If the difference between the data volume of the fault information to be stored currently and the remained space of the first storage area is larger than or equal to a first preset value and smaller than a second preset value, the stored fault information in the first storage area is partially or wholly transferred to a read-only EEPROM which is both electrically erasable and programmable, and fault information needing to be stored currently is transferred to and stored in the first storage area. The technical scheme not only can wholly record the existent information of the faults which already occur, but also can timely store the fault information of newly emerged faults, thereby enhancing the utilization rate of the storage space.

The invention provides a cloud robot distributed control system and a method based on a dynamic Agent. The system comprises a knowledge base Agent and a core Agent. The method comprises the steps of building a cloud robot ROS (Read-Only-Storage) node; deploying the knowledge base Agent; receiving a task instruction through a cloud robot, connecting the core Agent to an Internet so as to build reliable communication connection between the core Agent and the knowledge base Agent, and applying to the knowledge base Agent for downloading; receiving a download request through the knowledge base Agent, searching for a corresponding function application, downloading the corresponding function application into an operating system ROS of a local cloud robot, and regarding the corresponding function application as the dynamic Agent; activating the dynamic Agent through the core Agent, executing the task through the core Agent, and returning a task execution result to a user through the core Agent; and after the completion of the task, controlling the dynamic Agent to unload a cloud computing Agent through the core Agent, then unloading the dynamic Agent through the core Agent, and realizing dynamic unloading. According to the cloud robot distributed control system and the method based on the dynamic Agent provided by the invention, the problem that the computing capacity and the functions are limited when the cloud robot executes the complex task is solved, the on-demand loading and the dynamic unloading of the cloud robot functions are realized, and the computing resources and the storage resources of the cloud robot can be saved.

The invention discloses a safety access control method of a hard disk and the hard disk. The safety access control method of the hard disk comprises the following steps of: dividing a first storage area and a second storage area in the hard disk, wherein the first storage area is a read-only storage area in which a first authentication program is stored, and the second storage area is an encrypted storage area; receiving an access request for accessing the hard disk; carrying out identity authentication through the first authentication program; and if the identity authentication passes, decrypting the second storage area to allow to access the second storage area. According to the safety access control method, the technical effect of effectively ensuring the safety of data in the hard disk is achieved.

The invention relates to a method and device improving operation system reliability. The method includes receiving a BIOS start guidance instruction; reading a main guidance section, and loading a corresponded operation system guidance program according to the main guidance section; loading an operation system kernel; loading a file system, and loading a preset application program component according to the file system; storing the operation system guidance program, the operation system kernel, the file system and the application program component in a first storage region, which is a read-only one, in an image manner; storing data in a second storage region, which is a read and write one, during the operation of the application program component and operation system kernel. The data include at least one of the generated files, logs and database records. By the aid of the method, the reliability of the operation system can be improved.

The invention relates to a data uploading transmission expansion card device internally embedded in a computer. The device is internally arranged in a target computer; the device consists of a unidirectional data transmission module and a computer expansion slot interface unit; the unidirectional data transmission module consists of a data channel unit, a data input interface unit, a control unit and a data output unit, a memorizing unit and a read-only memorizing unit. The device is the device which unidirectionally transmits the data on the external memorizer of the computer into the computer; the device is provided with an exclusive identifying number; the non-volatile memorizing unit is adopted for memorizing the history operation records of the device, thus improving the secrecy management performance of the device. Simultaneously, the data channel unit and a high-speed expansion slot interface are adopted by the device, thus greatly improving the transmission speed of data.