1086 results about "Monoboard" patented technology

The invention discloses a automatic chip testing method, which is characterized by comprising the steps that: the system is powered on, and initialization is completed; the configuration is carried out, a test thread needs to be started is determined according to chip types, and an instrument transceiving end is configured; a test command is generated, test items and test parameter setting in a chip integrated test case configuration file are read and analyzed, and a command frame is generated and transmitted to a single-board system through a communication interface; and the command is analyzed, and setting and testing steps are carried out. The automatic chip testing method can achieve the automatical test and data storage of chips, can be used for testing the chips quickly, is high in test efficiency, saves test time to a certain extent, can achieve the purposes of automatic configuration of a tested DUT chip, automatic configuration of instruments, automatic recovery of test results and automatic generation of test reports, automatic generation of test case reports and automatic switching of test cases through the development of an automatic chip testing platform.

The invention comprises an electronically secured inter-processor and virtual device communications system, with an input / output controller board, a multi-drop bus interface to multiple devices, and a parallel interface to an industry standard single board computer. The invention assigns a bus address and virtual identification number to each device and controls communications between the main central processing unit and the devices through a Plug-n-Play protocol.

The invention provides a single-board integrated LED (light-emitting diode) dot-matrix module which comprises a circuit board and a dot-matrix circuit which is at least a 16*15 single primary color SMD (surface mounted device) LED dot-matrix circuit, wherein the dot-matrix circuit is arranged on a main view face of the circuit board and used for displaying information, a control circuit and a power interface are arranged on a rear view face of the circuit board, the control circuit is respectively connected with the power interface and the dot-matrix circuit, the power interface is used for connecting a power supply used for supporting the operation of the control circuit and the dot-matrix circuit, the control circuit is used for controlling LEDs in the dot-matrix circuit to display the information according to requirements of edited or modified display contents according to operation data received or typed by the control circuit. According to the invention, through the control circuit and the power interface which are arranged on the module, the problem that a module in the prior art needs an additional editor and an additional display controller can be solved, therefore, the use condition of the LED dot-matrix module is simplified effectively, and the module can display information and the displayed contents can be edited and modified by virtue of an infrared remote controller or operational keys after the power interface is connected to the power supply.

The invention discloses a method and device of monoboard backup with the line protection. The equipment includes main and spare monoboard the main board connected with work optical fibre and the spare board connected with protection optical fibre after touching off the switching; the active channel can be switched automatically to the redundant channel; the optical fiber link switch automatically at the same time. The main and spare equipment make the energy controller to connect with the currency backboard through the line; the synchronous clock is provided by the currency backboard. The touching off the switching includes the modes as follows: background sends the switching order; the downstage keystroke of replacement / switching spring; drawing board spring; the Watchdog overflow; The preparation board veneer detect the abnormity of the key veneer; the abnormity occurs to the key optical fiber link and the switching request of the preparation optical fiber link. The invention is applied to finishing the switch between the mainboard and the spare board as well as realizing the APS switching. During solving the APS switching, we set all the needed information interoperation between the mainboard and the preparing board.

A system (10) for controlling use of or access to a second system, such as a telephone or other communication device, based upon an identifying biological characteristic of a user. The system comprises the telephone (12), including a keypad (14); a display (18); a biometric input device (20); and a controller (24). The controller (22) includes a compact single board computer (24) with an embedded operating system, such as a microkernel version of the Linux operating system, requiring approximately eight megabytes of memory. A person desiring to use the telephone (12) presents the biological characteristic, such as a fingerprint, to the biometric input device (20). A biometric template is created and compared to a resident template database of authorization information. Using a "one-to-many" search engine, requiring approximately 1 megabyte of memory, the present invention is able to perform a linear search of 500 templates within 1.5 seconds or less.

The invention relates to digital signal processor (DSP)-controlled single-board equipment and its remote update method and server. The digital signal processor-controlled single-board equipment and its remote update method and server are utilized in a wind-powder conversion system. The remote update method comprises that: S1, a remote update command and machine code data for software version update are transmitted by a remote update server; and S2, an DSP-controlled single board receives the remote update command by a communication device, then receives the machine code data for software version update, and utilizes the machine code data for software version update to write on-chip FLASh so that configuration is finished. In the invention, the machine code data for software version update is directly transmitted to the DSP-controlled single board located at a remote port and is directly utilized for programming of on-chip FLASH of the DSP-controlled single board, wherein compared with programming adopting DSP project files, the direct programming of on-chip FLASH does not need special programming equipment and realizes that machine codes occupy a small on-chip FLASH space.

The invention discloses a method for realizing active / standby changeover and load sharing, which comprises the following steps: a first veneer is designed as an active veneer, a second veneer is designed as a standby veneer, same service logic IP addresses are configured on the first veneer and the second veneer, and an interworking function IWF is invocated; when data link is in a normal state, the load sharing method is used for processing forward data by the first veneer and the second veneer; or when the data link fails, the second veneer is designed as the active veneer to process downlink-uplink data between an opposite terminal and the second veneer. Through the method provided by the embodiment, the same service logic IP addresses are arranged on the active and the standby veneers, and the IWF is invocated, so as to realize that the load sharing of the active and the standby veneers is used for processing the forward data; the logic IP address at a net opening in a back plate is only required to be switched, so as to realize the changeover of the active and the standby veneers, thereby ensuring that the forward data can still be normally processed by the equipment when the data link fails, and improving the reliability of the equipment.

The embodiment of the invention provides a dormancy method for a server. The server comprises a system management board and at least one single board, wherein each single board comprises an intelligent management controller. The dormancy method for the server comprises that: the system management board receives a dormancy signal transmitted by a remote host computer; and the system management board transmits the dormancy signal to the intelligent management controller of the corresponding single board so as to cause the intelligent management controller of the single board to control the single board to enter a dormant state according to the dormancy signal. The embodiment of the invention also provides a wakening method for the server, and the server with a dormancy / wakening function. Theintelligent management board of the single board controls the single board to enter the dormant / wakened state according to the received dormancy / wakening signal, so the embodiment of the invention realizes the dormancy / wakening function of the server, and can make the single board of the server consume less electric energy when the load is relatively lower, effectively save the energy consumption, and when the traffic is boosted, quickly waken the single board of the server to share the load.

The invention discloses an allocation method for veneer groove location numbers and comprises the following steps that a central veneer receives address request messages sent by a business veneer; the central veneer allocates groove location numbers for the business veneer according to the corresponding relationships of preset interface numbers, groove location numbers and the interface numbers of the received address request messages; the central veneer returns and carries responding messages of the groove location numbers to the business veneer. The invention also correspondingly provides a central veneer, a business veneer and a communication system. The adoption of the technical proposal provided by the embodiment of the invention ensures the accuracy of the allocation of the groove location numbers and the stability of the communication system.

This invention discloses a kind of method, which ensures each mono-board software edition of the switchboard are consistent. It concludes: (1) when setting up software, the service board saves the edition information; (2) the master control board saves edition information of software in the edition assorted data area. The said software are those all kinds of service board software that are compatible with the master control board; (3) the service board sends the log-on message to master control board. This message contains edition information of the software used by the said service board; (4) after receiving the log-on message, the master control board compares the edition information of service board software with the edition information saved in the edition assorted data area. If they are same, the log-on process will continue; if not, the log-on process will stop. The alarm information of edition inconsistency is reported. The software edition checking operation is undertaken in the log-on process. Thus, it avoids the switchboard delaying result from inconsistency between service board and master control board software.

An embodiment of the invention discloses a method for detecting circuit fault, a device and a single board thereof, wherein the method comprises the following steps: detecting whether an input current in a time period is higher than a preset overflowing point; and outputting a warning signal if the input current in the time period is higher than the preset overflowing point. The embodiment actualized with the method according to the invention can increase the accuracy for detecting circuit fault.

The invention discloses a method and a device for detecting single board hot plug. A single board plug detection result is determined by detecting the lasting time of the state of a single board after position information is changed and comparing the lasting time with preset time threshold value, according to the comparison result and the state of the single board after the position information is changed, effective single board plug operation and ineffective single board plug operation are clearly distinguished, error judgment and judgment loss for single board hot plug detection are well avoided, and the burden of a main control unit processor is reduced.

A method for initializing multiprocessor system includes confirming that the single board is master single board or slave single board by single board management module of each single board according to start-up configuration file stored in system management module then using confirmed master single board to guide said multiprocessor system to be initialized. The multiprocessor system being able to be initialized by said method is also disclosed.

The invention discloses a backboard system, relating to the technical field of communication and used for reducing the limitation of a heat radiation framework. The backboard system is applied to network equipment and comprises a plurality of backboards, wherein a plurality of slots for connecting single boards are formed on the edge of each backboard; each slot on the same backboard is used for connecting the different single boards; and each slot on each backboard is used for connecting the same single board.

The invention relates to a main / backup switching device and a method for carrying out main / backup switching by using the device; the device comprises a backboard and a reciprocal main / backup structure, a component, a first single plate and a second single plate with the completely same logic circuit; the first single plate is provided with a programmable logic device, a central processing unit and a peripheral circuit, intercommunication between the programmable logic device and the central processing unit is realized by a local bus; the input signals of the programmable logic device comprise: MS_IN, CL_IN, MS_HAND, SYS_DEF and CPU_WDI; the output signals comprise: MS_OUT and CL_OUT; the MS_OUT and CL_OUT output by the first single plate are respectively used as the MS_IN and CL_IN of the second single plate after passing through the backboard so as to be input into the second single plate; the MS_OUT and CL_OUT output by the second single plate are respectively used as the MS_IN and CL_IN of the first single plate after passing through the backboard so as to be input into the first single plate. The technical proposal of the invention occupies less backboard interconnection signals and reliably realizes the main / backup switching.

A wide a band product interface single plate general test method based on a system containing host test device of providing data source, analyzing and receiving data includes the following steps: connecting the tested interface plate to a general bus interface of the testing device via n interface bus converting module; controlled by the host, CPU initializes the tested interface plate, matches and sends tested data and circulates back via tested interface plate, processes received data; CPU fetches the above mentioned test result and statistic information to the testing host.

The invention provides a method and a device for reducing power consumption of single board with multiple processing units. The method comprises the following steps that: a main control board of communication equipment estimates total demand of processing quantity to acquire an estimated currently required processing units quantity; the main control board acquires the quantity of the current processing units on a main processing board, and then redundant processing units on the main processing board are in power-off mode or in standby mode when judging that the quantity of the current processing units exceeds the estimated currently required processing units quantity; and the processing units in standby mode or power-off mode are started up when judging that the quantity of the processing unit is not enough. The method and the device have the advantages that: heat consumption and energy conservation are controlled; stability and reliability of a communication system are improved; and under the condition that the communication equipment is used in large scale, the energy-saving performance is more obvious.

The invention discloses a distributed system software version update control device and the method. The version update control device comprises a version control server module which is resident on a main control subsystem / card and is used for implementing the update control of the version of the software of the subsystem / card, a version control client module which is resident on various non-main control subsystems / cards and used for accomplishing the version update negotiation with the version control server module and downloading and updating the software version of the subsystem / card and a communications abstraction layer module used for providing the service of transmitting and receiving the messages on different communications links for the version control server module or version control client module. The technical scheme of the invention implements the cross-platform software version update control device and the general update control of the version of the distributed system software.

The disclosed method comprises: when out of control to the software led by error upgrade on-line, the network management center recovers the opposite software in master control board to the usable or upgraded one firstly; then, it sends command to the board for upgrade forcedly; after receiving the command, the board sends rest signal to the single board and enables the upgrade control signal; the single board resets immediately to run BOOT software to decide whether the signal effective; if yes, it erasures the work area in the board memory area and sets the forced upgrade control signal on null state; then, it completes the download and storage for upgrade, and guides to run the new software. This invention can recover the out-of-control completely and immediately.

The testing device comprises the controllable thermal sensor, hot type sensor, differential pressure sensor, multichannel A / D,Dú»A converters and control set, fan module. Configuration of typical circuit board of analog communication device for the controllable thermal sensor is installed on the analog single board. The hot type sensor and differential pressure sensor through socket joint mode are installed on the single board. The tested signals of the hot type sensor and differential pressure sensor and the control signal of the controllable thermal sensor through the linker on the analog single board and multichannel Aú»D,Dú»A converters are connected to the control device. Since no uniformity of wind speed on surface of PCB is tested at multiple test points in the invention, measuringerror of hand held devices is reduced. Thus, the invention can simulates heat dispersion status and test and validate fortified heat dispersion effect directly.

The present invention relates to an exchanger, an service processing single board and an exchanging single board. Wherein, the exchanger comprises at least a main controlling board and at least an service processing single board; wherein, the main controlling board comprises a main exchanging unit, a main processing unit s and a main service processing unit which are all mutually connected; the service processing single board comprises a mutual connected exchanging unit and a processing unit with the exchanging unit and the main exchanging unit mutually connected and the processing unit and the main processing unit mutually connected. The service processing single board also comprises an assistant service processing unit which is respectively connected with the exchanging unit and the processing unit for processing the service flow which is transferred to the exchanging unit by the main exchanging unit. The present invention shares the processing of partial services by importing the assistant service processing unit, thus sharing partial burthen of the main service processing unit and further elevating the whole service processing ability of the exchanger.

The invention discloses a double-comparator type ultrasonic wave distance measuring device, the device includes monoboard computer, the monoboard computer is connected with ultrasonic wave transmitting driving circuit, the ultrasonic wave transmitting driving circuit is connected with ultrasonic wave transmitting probe, when the ultrasonic wave of the ultrasonic wave probe reflects through barrier and is received by ultrasonic receiving probe, and is sent into a bandpass and amplifying circuit by ultrasonic wave receiving probe, bandpass and amplifying circuit are respectively connected with short distance comparator and long distance comparator, the short distance comparator and long distance comparator are respectively connected with singlechip, the singlechip is connected with display output circuit. The invention double comparator type ultrasonic wave distance measuring device solves the problem that the existing ultrasonic wave distance measuring technology has dead area, and is very important for improving ultrasonic wave distance measuring technology and extend application field.

A programmed control mixing color LED spot light is provided, which comprises a controller and at least two LED light cluster among three LED light cluster colored in red, green and blue. The controller is provided with a monoboard computer, an external communication slot and LED light cluster drive circuit of corresponding quantity; wherein, a procedure and data storage is arranged inside and / or outside the monoboard computer. The drive circuit uses PWM pulse width control constant current out switch power supply; the procedure and data storage is provided with control modules capable of enabling control interfaces to output frequency and pulse width modulation signals with adjustable duty ratio to the drive circuit controlled by set procedure to change the luminosity, color and frequency as the procedure. Together with the temperature monitor and by controlling the color mixing and frequency variation of PWM pulse width constant current between 0 and 255 grade for the LED lighting cluster in three colors as red, green and blue, the invention enables the LED lighting cluster to work under best and highest status, and has the advantages of small bulk, high luminosity, energy-saving, long service life, saturated and bright color.

The invention discloses a state monitoring system based on single-chip microcomputers. The state monitoring system comprises an interface board single plate and multiple service board single plates. Each single plate comprises a single-chip microcomputer processor, a current acquisition circuit, a voltage and temperature acquisition circuit, an I2C interface, a GPIO interface and an analog I2C interface. The interface board single plate further comprises an RS 485 interface. A distributed master-slave communication structure is adopted in the state monitoring system, an interface board single-chip microcomputer serves as a master computer, service board single-chip microcomputers serve as slave computers, and the single plates are distinguished by being configured with ID numbers. The interface board single-chip microcomputer is used for collecting state information of each single plate, enables each single plate to be in communication with a host computer and an external master control unit in a uniform mode, and state parameters like the power voltage, the current, the core chip temperature of each single plate and external chip work clocks in a whole machine can be monitored in real time. The state monitoring system has the advantages of being complete in detection, simple in external interface, uniform in configuration item, high in generality, good in real time performance, and the like.

The invention relates to a multi-display method and multi-display device. A master control board figures out the effective single board of overlaps with required display window, each single board figures out a third coordinate range of self required display window corresponding to a signal source and a fourth coordinate range of a corresponding display unit corresponding to the single board self according to a first coordinate range of window on a splicing wall and a second coordinate range of corresponding display unit of the single board self on the splicing wall, data is cut from the signalsource according to the third coordinate range, and the data is displayed on corresponding display unit according to the fourth coordinate range; namely the processing process executed by the mastercontrol board originally is completed by each single board by share, thus greatly reducing process load of the master control board, and each single board can process window display part required display processing, the process load is not high, thus the time for the whole processing and display is not too long and efficiency of processing and display is improved.

The invention discloses a dual-machine hot backup implementation method applied to telephone dispatching equipment, which includes a service board, a main machine control board and a standby machine control board. The steps include: a. The control board and the service single board are connected based on the TDM HW bus; b. There are two control mechanisms between the two main control boards in the master-standby relationship: hardware switching and software switching; c. The software running on the two main control boards is completely Consistent, the standby machine can regularly and real-time synchronously back up the host business data and running status functions. The invention has simple hardware configuration and low system cost, and the application of the invention can effectively improve system security and stability; the telephone dispatching device of the present invention is connected to the digital program-controlled switchboard through E1, and can complete all access to the dispatching device based on the local phone Telephone dispatching service, including teleconferencing, telephone transfer, telephone pickup, hotline and other functions.

The invention discloses an advanced telecommunications computing architecture (ATCA) machine frame and an intelligent platform management bus (IPMB) connection method thereof; the ATCA machine frame comprises an ATCA framework with a plurality of trenches and ATCA veneers which are inserted into the trenches; each ATCA veneer comprises two switch boards and at least one gusset plate; the ATCA veneers are provided with intelligent platform management controllers (IPMCs); shelf management controllers (ShMCs) are respectively integrated on the two switch boards; for each switch board, the ShMC on the switch board is in point-to-point star-shaped connection with the IPMCs of all the gusset plates and the IPMC of the other switch board, and the ShMC on the switch board is a collection node; the ShMC on a main switch board is in point-to-point communication with the IPMC of a backup switch board or the IPMC of one gusset plate at the same time; and when the main switch board fails to work, the backup switch board takes over the work of the main switch board and completes the functions of the original main switch board. According to the invention, the problem that a whole IPMB bus is clamped due to the single IPMB fault can be solved, and hardware resources can be saved.

The invention relates to a single plate tester for data user line device, including: man-machine interface module to provide interactive operating interface for testing personnel and the tester; input-output module to input and output network interface data of the tester and estimate and control data information; virtual network interface module to package network interface data structure and operation; testing policy algorithm module to generate flow waveform and data packet transmitting sequence; configuration management module to unitedly manage the testing parameters and the correlated information; testing control module to coordinate and control each independent testing process; the man-machine interface module is connected with the testing control module, the configuration management module and the testing policy algorithm module; the configuration management module is connected with the testing control module, the input-output module and the testing policy algorithm module; the input-output module is connected with the testing control module and the virtual network interface module; and the virtual network interface module can be connected with each hardware interface.

A memory test is carried out on semiconductor integrated circuit devices including a semiconductor memory at low cost with efficiency. In a test burn-in system, twenty-four test boards are processed in sequence with time differences, and the test boards are circulated one by one. In this case, the memory test is conducted with the sequence of single board processing: the test is started with a test board in which semiconductor integrated circuit devices have been embedded, and semiconductor integrated circuit devices are discharged, beginning with a test board that has undergone the test.