66results about How to "Reliable update" patented technology

When an updating event occurs, an information management base station unit inquires all the vehicles under its management about the presence or absence of vehicle-mounted control units to be updated. Based on replies from the individual vehicles, the information management base station unit selects the vehicles to be updated, and then it automatically updates them via wireless communication.

Methods for road safety enhancement use mobile communication device (MCD) onboard vehicle to share traveling data through inter-vehicle communication broadcasting, perform road hazard warning, enhance road navigation, and provide autonomous road assistance. The methods have a variety of vehicle status data, such as moving data, steering data, or indicator data, obtained through GPS or image capturing and recognition of instrument cluster of vehicle. The image capturing and recognition allows to get speed data from indication of speedometer, indication of left or right turn signal, steering action data corresponding to steering wheel rotation, and light-on indication of system status indicators. To facilitate that, the MCD may be placed in front of steering wheel, and, if applicable, also in coupling with movement of steering wheel. The MCD may perform relative positioning map-matching lane correlation and GPS-update-interval speed positioning to improve data quality regarding vehicle moving status.

The invention relates to a protection unit (15) for protecting a packet-based network from attacks, comprising: a signature analyzer (5) for analyzing a packet stream (6) received in a security border node (2a) of the packet-based network (1) and for detecting attacks by comparing signatures of the packet stream (6) with a set of signatures of previously identified attacks, an anomaly detector, in particular a statistical analyzer (7), for detecting anomalies in the packet stream (6), and a signature interference unit (9) for updating the set of signatures when anomalies in the packet stream (6) are detected, the updated set of signatures (12) being subsequently used for performing the signature analysis. A distribution unit (13) distributes at least one signature of the updated set of signatures (12) to at least one further, preferably to each further security border node of the packet-based network (1). The invention also relates to a security border node comprising such a protection unit, to a network comprising at least two such protection units, and to a corresponding protection method.

A reception unit receives resource information transmitted through a network and constituted by a resource for version-up and an application program which applies the resource and stores the resource information in an operation region of a storage device. A decision unit decides whether an application occasion of the resource stored has come or not. When it is decided that the application occasion has come, an execution unit performs a process of copying the resource information in a maintenance region of the storage device and making the maintenance region valid in the next boot-up operation of a system.

A method for indicating size, shape and location of a region within a digital picture the picture being divided into a set of blocks. A value for at least one size parameter, which is indicative of a number of the blocks within said region is defined, and a value for at least one shape evolution parameter, which is indicative of a selection order of the blocks in said region is selected. Then preferably the values for said at least one size parameter and said at least one shape evolution parameter are encoded into a bitstream of a video sequence in order to indicate size, shape and location of the region within the picture.

The invention relates to the communication technique, which provides a topological information acquisition method and a network device of tree-shaped network, and avoids network topology and the limitation of VLAN or three-layer network equipment in the process of discovering. The method comprises using a topological collecting device as a start node, downwards discovering layer by layer through sending out topological request messages to a lower link interface, and then sending out topological information response messages to an upper link, contracting topology layer by layer, since topological information response messages and topological refresh messages received by each network equipment are from the lower link equipment, the topological information refresh messages can not be limited by the VLAN or the three-layer network equipment in the network through the layer by layer delivery, and the messages are finally sent to the topological collecting device, and topological acquisition work is finished when topology is found. Furthermore, when topology of network is changed, the topological collecting device can timely and reliably refresh topological information of integral network, and keeps the synchronization of network topology and an actual network structure.

An apparatus, system, and method are disclosed for quiescing a boot environment. A reservation module reserves a portion of a first storage device. A store module stores an update boot image to the reserved portion. A detection module detects the update boot image stored on the first storage device when the computer boots and executes the update boot image in place of a standard boot image in response to detecting the update boot image. The update boot image places a computer in a known quiescent state.

A method for operating a charging station, including establishing a communication link between the charging station and an electric vehicle; checking, via the communication link, whether a software stored on a processing unit of the electric vehicle has to be updated; and transmitting, as a function of the check, update data for updating the software via the communication link to the electric vehicle with the aid of the charging station so that the software may be updated based on the update data. A charging station, an electric vehicle, a method for operating an electric vehicle, and a computer program, are also described.

The invention discloses a security chip COS firmware updating method, which comprises the following steps of receiving a security chip COS firmware updating request sent by a terminal; verifying the identity of the terminal; after the identity of the terminal is verified, using a first random key for performing symmetrical encryption on the new version COS firmware and an HASH value of the COS firmware; performing asymmetrical encryption on the first random key; sending the encrypted data to the terminal so that the terminal performs decryption on the received data; after the HASH value pass the checking, updating the new version COS firmware. The asymmetrical and symmetrical combined encryption technology is used; the random key is used for transmitting data in an encrypted way; the security of the updating data in the transmission process is protected; the security chip COS firmware updating can be securely, reliably and conveniently realized. In addition, the invention also provides a security chip COS firmware updating server side, the terminal and a system. The technical advantages are also realized.

There is provided an input device including: means for performing zero point correction on the sensor outputs of the load sensors when an absolute value of an amount of output change of each load sensor is not more than a predetermined threshold a during a certain period of measurement time; means for calculating position data and calculating a total load Z of the load sensors by using the sensor outputs; means for determining that the calculation data pieces are normal when the absolute value |dZ / dt| of the amount of change in the total load Z is not more than the threshold β; means for determining that an input is present in the calculation data pieces when the absolute value |Z| of the total load is not less than the threshold γ; and means for removing a predetermined number of first and last data pieces in the calculation data pieces.

The invention provides a bus passenger capacity collection method based on locating information. By means of bus GPS locating and mobile phone locating, the serial number, the position, the speed, the direction and the time information of a bus and the serial number, the position, the speed, the direction and the time information of a mobile phone are collected regularly on a bus line. A data center carries out data filtering preprocessing on the speed information in the data to obtain an information set of the bus and mobile phone information between two bus stops. The data center carries out clustering analysis on the subset of the information set of the bus and mobile phone information to obtain initially collected mobile phone number set of the passengers in the bus. The data center carries out data screening on the initially collected mobile number set to obtain the number of the mobile phones of the passengers in the bus finally, and namely the number of the mobile phones of the passengers in the bus is the bus passenger capacity. The bus passenger capacity collection method based on the locating information provides dynamic and real-time collected data of the bus passenger capacity for a public traffic system in a transportation information service system, the information acquisition channel is low in cost, information updating is timely and reliable, and the method has important significance for the transportation information service system.

The invention provides a method for road one-way restriction and traffic state identification based on floating car technology, which is characterized in that a larger number of floating cars equipped with GPS and other vehicle-mounted positioning systems periodically acquire and then return the information related to automobile number, position, direction and speed to a data center in the process of traveling, the information is filtered to obtain road traffic data and extract a dynamic first characteristic factor of road one-way restriction and traffic, the system performs data digging on a road traffic database simultaneously in order to obtain a statistical second characteristic factor of road one-way restriction and traffic in relevant time window, and the system can identify the road one-way restriction and traffic state automatically by matching the first characteristic factor with the corresponding second characteristic factor. The method of the invention can provide dynamic and accurate information related to the change of road one-way restriction and traffic state for various traffic information service systems, has the advantages of low cost in acquiring information and timely and reliable information updating, and is significant to various traffic information service systems.

When an updating event occurs, an information management base station unit inquires all the vehicles under its management about the presence or absence of vehicle-mounted control units to be updated. Based on replies from the individual vehicles, the information management base station unit selects the vehicles to be updated, and then it automatically updates them via wireless communication.

Methods for road safety enhancement use mobile communication device (MCD) onboard vehicle to share traveling data through inter-vehicle communication broadcasting, perform road hazard warning, enhance road navigation, and provide autonomous road assistance. The methods have a variety of vehicle status data, such as moving data, steering data, or indicator data, obtained through GPS or image capturing and recognition of instrument cluster of vehicle. The image capturing and recognition allows to get speed data from indication of speedometer, indication of left or right turn signal, steering action data corresponding to steering wheel rotation, and light-on indication of system status indicators. To facilitate that, the MCD may be placed in front of steering wheel, and, if applicable, also in coupling with movement of steering wheel. The MCD may perform relative positioning map-matching lane correlation and GPS-update-interval speed positioning to improve data quality regarding vehicle moving status.

The invention relates to a long-distance updating method and system for embedded system software. According to the method, updating program file codes are subpackaged to form multiple code packages through a monitor center according to a preset subpackage rule, an updating request is responded, the code packages are sent to a signal processing machine through a wireless network, and the signal processing machine receives the code packages and distinguishes master program codes from slave program codes of the code packages of the updating program file and writes the master program codes and slave program codes in a nonvolatile memory in separate positions after detecting that the code packages are correct; the signal processing machine responds to a restart instruction signal from the monitor center to be restarted after an updating program is successfully programmed, a processor reloads code packages of the updating program file, and corresponding programs of a master processor and / or a slave processor are updated respectively through the master program codes and the slave program codes. The updating method is more stable, the programming reliability is high, and updating is more reliable.

The invention is suitable for the digital picture processing technology area, supplies a method of renewing picture frame parameter, the picture frame parameter renewal method includes the following steps: After the picture frame parameter renewal prepares completely, picture frame parameter renewal to enable the signal set as effective; When receives the picture frame parameter promotion order, renewal picture frame parameter. In this invention implementation example, through the introduction picture frame parameter renewal to trigger carries on the picture frame parameter cut renewal control, thus enables this invention to be prompt, accurately, reliable achieves the successful renewal picture frame parameter; At the same time, avoided the picture frame parameter renewal preparation process not completing, but caused the picture frame parameter to renew the incomplete situation.

A copyright protection system comprises an encryption device and a decryption device. Cryptographic communication is performed between the encryption device and the decryption device using a contents key. The encryption device includes a contents storage section for storing contents, a first contents key generation section for generating the contents key based on a second decryption limitation obtained by updating a first decryption limitation, and a first encryption section for encrypting the contents using the contents key and outputting the encrypted contents. The decryption device includes a second contents key generation section for generating the contents key from the second decryption limitation, and a first decryption section for decrypting the encrypted contents using the contents key generated by the second contents key generation section.

The invention relates to a protection unit for protecting a packet-based network from attacks, comprising: a signature analyzer for analyzing a packet stream received in a security border node of the packet-based network and for detecting attacks by comparing signatures of the packet stream with a set of signatures of previously identified attacks, an anomaly detector for detecting anomalies in the packet stream, and a signature interference unit for updating the set of signatures when anomalies in the packet stream are detected, the updated set of signatures being subsequently used for performing the signature analysis. A distribution unit distributes at least one signature of the updated set of signatures to at least one further security border node of the packet-based network. The invention also relates to a security border node comprising such a protection unit, a network comprising at least two such protection units, and a corresponding protection method.

The present invention provides a method and a terminal for urban road green wave band decision support based on a floating vehicle technology. The method comprises the following steps of: obtaining acrossing position set according to obtained data information of a plurality of floating vehicles, wherein the crossing position set comprises crossing positions of a plurality of traffic lights; according to the crossing position set, obtaining a plurality of road sections; according to the data information of the plurality of floating vehicles, calculating average time of all the floating vehicles passing through each road section, and calculating one traffic flow of each road section; and if one difference of average time of each two adjacent road sections is in a preset first time range andone difference of traffic flows of each two adjacent road sections is in a preset flow range, determining that each two adjacent road sections are road sections being suitable for achieving a green wave band. The method and the terminal for urban road green wave band decision support based on the floating vehicle technology can provide an accurate green wave band road section for various trafficinformation service system so as to effectively improve pass capability of a main road in an urban area, reduce the vehicle parking rate and the traffic delay and guarantee operation efficiency of a road network.

The invention relates to a system updating method and device based on a dual-core intelligent electric meter, computer equipment and a storage medium. The method includes: obtaining an upgrading request file including an upgrading parameter file for a to-be-upgraded system application in the dual-core intelligent electric meter; according to the application information in the upgrading parameter file, obtaining a storage position of a mirror image system application corresponding to the to-be-upgraded system application in the upgrading parameter file, and acquiring a mirror image system application corresponding to the to-be-upgraded system application according to the storage position, installing the mirror image system application in a flash memory of the dual-core intelligent electricmeter, and updating the to-be-upgraded system application according to the configuration information in the upgrading parameter file and the running parameters and authority of the mirror image systemapplication after configuration and installation are completed. Compared with a traditional electric energy meter which does not support system application upgrading and updating, the scheme realizesstable and reliable system application updating of the dual-core intelligent electric meter by utilizing methods of upgrading parameter files, mirror image application and the like.

A method for operating a charging station, including establishing a communication link between the charging station and an electric vehicle; checking, via the communication link, whether a software stored on a processing unit of the electric vehicle has to be updated; and transmitting, as a function of the check, update data for updating the software via the communication link to the electric vehicle with the aid of the charging station so that the software may be updated based on the update data. A charging station, an electric vehicle, a method for operating an electric vehicle, and a computer program, are also described.

The embodiment of the invention provides a message synchronization method and a message synchronization device, relates to the field of communication and can solve a problem that different board cards of switching equipment in the prior art cannot acquire the same message so as to perform MAC (Media Access Control) address learning. The message synchronization method comprises the steps of when a message is received and the message is determined to a unicast message, finding a destination MAC address of the message and a source MAC address of the message; S2, when the destination MAC address of the message is successfully found and the source MAC address of the message is unsuccessfully found, acquiring a destination interface board ID, wherein the destination interface board ID is an interface board ID corresponding to the destination MAC address of the message; S3, sending an ACL (Access Control List) item, wherein the ACL item comprises other interface board IDs except for the destination interface board ID on the switch equipment; and S4, copying the message to interface boards corresponding to the interface board IDs in the ACL table item. The message synchronization method and the message synchronization device are used for synchronizing messages.

Provided is a display card basic input output system (BIOS) updating method based on an input / output (IO) access mode. The display card BIOS updating method based on the IO access mode comprises the following steps: starting a Microsoft Windows operating system and executing an updating program; selecting and positioning a to-be-updated display card according to a vendor identification number and a device identification number; judging whether a command register of peripheral component interconnect (PCI) configuration space of the to-be-updated display card enables IO access or not, reading an old BIOS in an expanded read only memory (ROM) of the to-be-updated display card through the IO access mode; writing a new BIOS into the expanded ROM of the to-be-updated display card through the IO access mode; reading the new BIOS in the expanded ROM of the to-be-updated display card through the access mode and completing calibration; and exiting the updating program and restarting the Microsoft Windows operating system. The display card BIOS updating method based on the IO access mode is capable of completing update of the display card BIOS conveniently, rapidly and reliably.

In multi-directional antennas connected to a digital TV broadcast signal receiver, when a receiving channel is selected, if an antenna is set to the same direction as a previously stored direction, and signals cannot be received, the previously stored direction data is deleted, and if the best receiving direction is searched by the auto-scan, and a receivable direction does not match the previously stored receiving direction, the stored direction information is all deleted, the entire area scan is performed over all directions for all channels, and a new receiving direction for each channel is determined by the obtained best receiving direction. By doing this, when signals becomes unreceivable on a given channel while receiving them with a direction-adjusted smart antenna, meaningless time for adjusting directions is saved and the best reception condition is always obtained quickly by detecting the direction misalignment as soon as possible and updating the direction data on all other channels as well in the early stages.

The invention discloses a automatic creation and maintenance method for IPOA channel, which comprises: building the default PVC between base station and its controller; promoting and sending the BOOTP request with broadcast mode on base station side by built PVC to controller; if within set response time, the base station does not acquire the BOOTP response packet contained its IP address, promoting the request again till acquiring the packet; the base station obtains its IP address from the packet and builds IPOA channel by IP address and PVC; then, the base station sends continually the BOOTP request to its controller according to monitor period and compares the IP address from response packet and current IP address, is there is difference, uses new address to build new IPOA channel. This invention ensures base station can acquire and update local IP address reliable and timely, as well as the automatic creation and maintenance method for IPOA channel.

An information extraction method for extracting dynamic information is provided. The method includes using a plurality of information extractors extracting reference values corresponding to the dynamic information from a plurality of information sources, and determining a most reliable value corresponding to the dynamic information based on the reference values. The method further includes determining whether each of the information extractors is abnormal according to the most reliable value and removing the information extractors determined as abnormal. The method further includes rebuilding new information extractors for replacing the removed information extractors. In such a way, reliable dynamic information can be extracted and the information extractors can be maintained for normal operation.