19 results about "Management unit" patented technology

A method and system for allowing a processor or I/O master to address more system memory than physically exists are described. A Compressed Memory Management Unit (CMMU) may keep least recently used pages compressed, and most recently and/or frequently used pages uncompressed in physical memory. The CMMU translates system addresses into physical addresses, and may manage the compression and/or decompression of data at the physical addresses as required. The CMMU may provide data to be compressed or decompressed to a compression/decompression engine. In some embodiments, the data to be compressed or decompressed may be provided to a plurality of compression/decompression engines that may be configured to operate in parallel. The CMMU may pass the resulting physical address to the system memory controller to access the physical memory. A CMMU may be integrated in a processor, a system memory controller or elsewhere within the system.

An intelligent static traffic management system comprises a first parking information collection unit, a traffic information management platform, a first monitoring unit and an access unit, wherein the traffic information management platform comprises an integrated management platform; the integrated management platform comprises a parking area basic information management unit, a parking area record management unit, a parking space early warning unit, a parking information release and data collection unit and a parking data optimization analysis unit; the parking area basic information management unit is used for recording parking area basic information; the parking area record management unit is used for recording parking area record information; the parking space early warning unit is used for analyzing the real-time parking condition of the parking area and giving early warning information when the amount of parking is close to saturation; the parking information release and data collection unit is used for collecting the working state of a parking device and displaying parking service information in real time; and the parking data optimization analysis unit is used for analyzing the utilization condition of a parking space and releasing a parking index.

The invention discloses an embedded type WIFI module. The embedded type WIFI module comprises a software part and a hardware part. The hardware part comprises a microcontroller chip, a WIFI chip, a program memory chip, a filter, a first crystal oscillator, a second crystal oscillator and a power switch tube, wherein the WIFI chip is connected with the microcontroller chip through data signals, the microcontroller chip is connected with the program memory chip through serial external interfaces, the WIFI chip and the microcontroller chip are connected with the power switch tube, the WIFI chip is connected with the filter and the first crystal oscillator, and the microcontroller chip is connected with the second crystal oscillator. The software part comprises a module interface management unit, an application program module, a webpage server, a miniaturized TCP/IP protocol stack, a WIFI driving module, a bottom layer hardware interface driver and a real-time operating system module, wherein the real-time operating system module is used as a framework, and the module interface management unit, the application program module, the webpage server, the miniaturized TCP/IP protocol stack, the WIFI driving module and the bottom layer hardware interface driver are integrated on the real-time operating system module. The embedded type WIFI module has the advantage of being small in size.

The present invention relates to a content protection apparatus and method using binding of additional information to an encryption key. The content protection apparatus includes an encryption unit for creating an encryption key required to encrypt data requested by a user terminal and then generating encrypted data in which the data is encrypted. An additional information management unit manages additional information including authority information about the encrypted data. A White-Box Cryptography (WBC) processing unit generates a WBC table required to bind the encryption key corresponding to the encrypted data to the additional information. A bound data generation unit generates bound data in which the encrypted key is bound to the additional information, using a cipher included in the WBC table.

The invention discloses a medium-voltage coiled cable conductor performance intelligent detection device and system. The device comprises a power source management unit, a central processing unit, a cable length measuring unit, a cable conductor parameter measurement unit, a system temperature detection unit, a data display transmission unit and a battery module, the system comprises the medium-voltage coiled cable conductor performance intelligent detection device and an interface module. According to a detection result of the medium-voltage coiled cable conductor performance intelligent detection device, the cable length, the cable conductor resistance and cable conductor section parameters are obtained, the medium-voltage coiled cable conductor performance quality can be comprehensivelyjudged, and the safe operation of a medium-voltage cable after network access can be guaranteed. The medium-voltage coiled cable conductor performance intelligent detection device and system effectively improves the quality detection speed of the medium-voltage coiled cable and are suitable for the field inspection and common measurement work of the medium-voltage cable, meanwhile, the cloud storage of test data can be realized, a test database is formed, the traceability quality evaluation is carried out on a medium-voltage cable supplier, and the device and system are suitable for large-scale popularization and guarantee the network access quality of the medium-voltage cable.

The present invention is a content data playback device having a security chip, wherein the security chip has: storage means for storing firmware data containing a firmware program; and firmware update management means which, according to input of an acquisition request for a content key or a decoding request for content data for the security chip, assesses the necessity for executing update processing for firmware data on the basis of a comparison between deadline information which has been set for the firmware data and time information which has been received through a network, and if execution of the update processing is necessary, rejects the request. Therein, the firmware program causes the security chip to function as content key acquisition control means for acquiring the content key for decoding the content data through the network, and decoding means for decoding the content data using the content key.

Provided is an optical information reading device that displays, as an image, information that can be conveniently checked in setting work and in maintenance work. A decoding unit decodes image data acquired by an imaging element, and an arithmetic operation unit arithmetically operates a matching level indicating easiness of the decoding of a code, stability of the decoding, a margin of the decoding or pixel-per-cell in the decoding unit. Furthermore, a UI management unit and an image display device display, as an image, at least one of the matching level, the image data acquired by the imaging element, and an average success rate (reading success rate) of the decoding obtained by decoding a plurality of pieces of image data obtained by capturing an image of the code a plurality of times.

The invention discloses a charging device for a rapid battery pack replacement system of electric automobile. The charging device comprises a charger and a battery box, the charger is provided with a first charging interface and a display module, the charger is internally provided with a first communication module, a second communication module and a charging module, the battery box is provided with a second charging interface, and the charging box is internally provided with a battery pack, a battery management unit, a smoke alarm, a third communication module and a fourth communication module. The charging module communicates with the battery management unit via the first and third communication modules to obtain charging state information and further to control charging, energy is transmitted to the battery pack via the first and second charging interfaces, the display module arranged on the charger can display charging state information of the battery pack in real time, and the smoke alarm in the battery box can monitor the charging process of the battery pack on site, and raises the alarm timely when an accident happens. The charging device is simple in structure, convenient to operate, safe and reliable in charging and high in automation degree.

A high power control system includes: a single energy source; an energy source management unit configured to manage the energy source; a controller configured to output a PWM control signal under control of the energy source management unit; a plurality of inverters configured to convert a direct current into an alternating current under control of the PWM control signal of the controller; a plurality of filters coupled to output terminals of the inverters; and a plurality of switches configured to regulate connections between the filters and a load under control of a regulation control signal of the controller.

The invention discloses a class grouping management system based on a primary and secondary school information platform. The system comprises a class grouping management unit and a data storage unit. The class grouping management unit comprises a grade information management module, a class information management module, a class grouping management module, a class grouping information query module, a class transfer management module and a class transfer information query module. Personal archives of students are managed through a student archive management unit; school roll information of the students are managed through a student school roll management unit; student attendance information is managed through a student attendance management unit; personal archives of teachers are managed through a teacher information management unit; class grouping information of a school is managed through the class grouping management unit; exam information of the students are managed through an exam management unit; and application data information of each function module is stored through a data storage management unit. The system really realizes proceduring, refinement and humanization of school work, forms a multi-function education information management system, and has the advantages of being efficient, quick and convenient.

The invention relates to the technical field of supply chain management, the invention particularly relates to an experimental platform for simulating supply chain management, including supply chain management platforms, the supply chain management platform is simulated and controlled by the simulation control system software, the analog control system includes a display unit, storage unit and operation unit, A supply chain management platform comprise a production processing unit, Warehousing snap-in, a transport distribution unit and a sales feedback unit, The supply chain management platform has a great influence on the production and processing units, A warehouse management unit, a transportation and distribution unit and a sales feedback unit are separately controlled by software, anda production processing unit, a warehouse management unit, a transportation and distribution unit and a sales feedback unit sequentially present a relationship of progressive flow, and a production processing unit, a warehouse management unit, a transportation and distribution unit and a sales feedback unit present a relationship of sequential feedback; Not only can the supply chain process be simulated, but also real-time market factors can be added to the simulation operation.

Upon detecting a selection of an examination start button, a start and completion management unit starts an examination. The control unit switches an observation state to an infrared light observation by an observation switching unit. Next, an examiner performs alignment while observing an eye to be examined, and photographs the eye to be examined with a photographing unit. The start and completion management unit determines whether the examination is completed according to a selection of an examination complete button, and repeats the alignment until it is determined that the examination is completed.

The invention relates to the field of remote monitoring systems and discloses a remote monitoring system for a flood control wall. The remote monitoring system comprises a monitoring unit, a fault detection unit, a monitoring alarm unit, a data management unit, an interaction unit and a safety management unit, wherein the monitoring unit is arranged on the flood control wall and used for monitoring the states of the flood control wall, a tide gate, a flap valve and a gate; the fault detection unit is used for detecting whether the monitoring unit works normally or not; the monitoring alarm unit is used for receiving an output signal of the monitoring unit and data output by the fault detection unit; the data management unit is used for receiving monitoring data of the monitoring alarm unitand generating a report with display and printing functions; the interaction unit is connected with an external system through a data communication interface to give an alarm outside; the safety management unit is used for encrypting data output by the data management unit. The system has the advantages and effects as follows: management workers can refer to monitoring data, the whole state of the flood control wall can be more quickly and timely fed back to the superior, and the handling speed of flood situation is increased.

The embodiment of the invention provides a management method, device and system of a lithium battery. In the embodiment, a battery management system is used for receiving an output parameter sent from each management module, the output parameter is acquired by the management module in each battery management unit and is an output parameter when a battery module in each battery management unit supplies power to a corresponding power utilization device, and if the battery management system judges that a fault occurs in the battery management unit according to the output parameter, the battery management system controls other battery management units and supplies power to the power utilization device corresponding to the battery management unit encountering the fault. Therefore, the technical scheme provided by the embodiment of the invention is used for improving the reliability of the battery management unit.

The invention discloses handheld equipment, which comprises a GaN radio-frequency power amplifier, a battery unit, a battery management unit, a digital processing unit, a transmitter and an antenna, wherein the GaN radio-frequency power amplifier is connected with the transmitter, the antenna and the digital processing unit; the transmitter is connected with the digital processing unit; the battery unit comprises a plurality of batteries; the battery management unit is connected with the digital processing unit and the battery unit, has a first power supply channel, adjusts serial and parallel relationships of the batteries in the battery unit according to the power supply requirement of the GaN radio-frequency power amplifier under the control of the digital processing unit, and provides a voltage capable of dynamic change for the GaN radio-frequency power amplifier via the first power supply channel; and the digital processing unit is used for processing a communication signal, and controlling the battery management unit. The handheld equipment disclosed by the invention has the advantages of high transmitting chain bandwidth and efficiency, and small transmitting chain area.

The invention discloses a central scheduling system and a scheduling method. The central scheduling system comprises: a task management unit, wherein the task management unit comprises a task input module, a task monitoring module and a task control module, the task input module receives input of task information, the task monitoring module monitors the task information, and the task control module is in control connection with the logistics vehicle; and a map management unit which comprises a global map module, a positioning information module and a route planning module, wherein the positioning information module is in communication connection with the global map module and the logistics vehicle, and the task control module is in control connection with the route planning module and plans a task route according to the task information. According to the method, the load capacity of the remaining logistics resources can be measured and calculated during multi-line tasks, and when new tasks come, the remaining logistics resources can be directly called for processing under the condition that the load capacity is enough.

The invention discloses an intelligent garage management system. The system comprises a vehicle detection unit, a control unit, a two-dimension code printing unit and a garage door management unit. The vehicle detection unit is arranged on a parking stall and is used to detect whether the parking stall is idle and detect a parameter of a vehicle parking at the stall. The control unit is used to carry out management and charging on the parking of the vehicle. The two-dimension code printing unit is used to receive an instruction transmitted by the control unit, print a vehicle parking two dimension code and pops a garage entrance guard management card. The garage door management unit is arranged on an outer side of the garage and is used to receive a signal of the garage entrance guard card, transmit the received signal to the control unit and open and close a garage door according to the instruction of the control unit.