428 results about "Computer engineering" patented technology

A terminal device includes a display unit having at least a first display area and a second display area, a detection unit configured to detect a viewing state in which the first display area and/or the second display area are being viewed, and a control unit configured to, when a predetermined application is executed, perform control on the basis of the viewing state detected by the detection unit, for switching between a state in which display is performed on either one of the first display area and the second display area and display is not performed on the other one of the first display area and the second display area and a state in which display is performed on both the first display area and the second display area. A method and computer program storage device holding computer readable instructions cooperate to form a system that performs these functions.

The invention provides a part size measurement method based on a charge coupled device (CCD). According to the part size measurement method, feature point recognition technology is adopted, pixels are classified through feature points of a part, the size of the whole part is measured, prior knowledge of the part is not required, and measurement for the common part is achieved. According to the method, high-speed measurement is conducted, and meanwhile a precision requirement is met. The part size measurement method based on the CCD is simple in algorithm, low in cost and good in application prospect due to the facts that only the CCD and a computer are required for hardware implementation and a complex mechanical structure is not required.

In an automatic remote metering system in accordance with the invention a method is provided for reprogramming each client utility meter from a host computer by downloading a reprogram first program from the host to a corresponding hub utility meter fourth memory portion via a communications link, verifying integrity of the reprogram first program, and downloading the reprogram first program from the hub utility meter to the client utility meter via a radio frequency link and overwriting the client utility meter first program code with the reprogram first program code.

The invention discloses a method for reducing power consumption of a device, a mobile terminal and a system. The method comprises the following steps of: when the mobile terminal enters a standby mode, capturing a behavior of an application program in a background of the mobile terminal and collecting power consumption data of the behavior of the application program; sending the power consumption data of the behavior of the application program to an application program power consumption analysis database stored in a cloud server for analysis and comparison; receiving and storing an application list limited to be started and fed back and pushed by the application program power consumption analysis database; and forbidding the corresponding application program, in the application list limited to be started, to be started in the background of the mobile terminal when the mobile terminal enters the standby mode. According to the method for reducing the power consumption of the device, the background applications in the system are effectively managed and the applications unnecessary to run in the background are limited, so that the purposes of reducing the power consumption of the device of the mobile terminal and prolonging the service time of the device are achieved.

The invention discloses a computer interlocking system DS 6-11, which comprises the following parts: control platform subsystem, interlocking subsystem, input subsystem, output subsystem, monitor subsystem and network communication subsystem to connect each subsystem, wherein the system possesses high reliable industrial control computer and imbedded CPU control system, which applies network communication technique to constitute the distribution-typed control system. The invention realizes self-detecting function for output and input circuit, which reinforces the interference-proof and stability property greatly.

The invention provides a memory test method, a tested terminal, a test client and a system. The test client injects a library file for a target application program into a target process of the target application program when acquisition of the running condition of one application program on the tested terminal, namely the target application program, is needed, so that a detection interface which is not exported by an engine of the target application program is called, and thus when the target application program runs on the tested terminal, the tested terminal obtains at least one class of resource object data for the target application program, such as data of maps, videos, models and other resource objects, and then the tested terminal can send the resource object data to the test client to output, a developer can accurately know the data of all kinds of resource objects of the target application program during actual application of the tested terminal in order to be convenient to carry out targeted optimization on the performance of the target application program to improve the optimization efficiency.

The invention discloses a terminal equipment software and hardware self-adaptive matching method, which comprises: providing an analog voltage-hardware version lookup list; providing a micro controller which can read the analog voltage-hardware version lookup list; providing a analog to digital converter; providing an analogue voltage division circuit, connecting one end of the analog to digital converter to the voltage division circuit and collecting a voltage division value; and transmitting the voltage division value collected by the analog to digital converter to the micro controller, wherein the micro controller reads the analog voltage-hardware version lookup list according to the obtained voltage division value, searches for a hardware version corresponding to the voltage division value and starts the software of a version corresponding to the hardware version. The method also provides terminal equipment using the method.

A test chart for printing black bars and white bars of a barcode, each of which has one of multiple different numbers of dots-in-width, is printed on a printing device on which barcodes are printed. In image data on the test chart, the space between neighboring black bars on the test chart is used as a white bar. The widths of black bars and white bars of a barcode are measured based on the image of the printed test chart. Based on this measurement result, the numbers of dots-in-width of black bars and white bars to be set at a printing time are calculated as barcode correction values so that the black bar widths and white bar widths of a printed barcode meet predetermined sizes. This configuration generates barcode configuration information, or barcodes, that satisfy individual user's use condition, quickly and with the minimal use of paper and ink.

The invention discloses a screen splitting method and device of a mobile terminal, and belongs to the technical field of communication. The method includes the steps of: receiving a screen splitting instruction; judging whether the screen splitting instruction satisfies a preset screen splitting triggering threshold value; and splitting a display area into M split screen areas when the screen splitting instruction satisfies the preset screen splitting triggering threshold value, wherein M is not smaller than 2. By adoption of the screen splitting method provided by the invention, a user can conveniently open a plurality of split screen areas, and can adjust the size of the split screen areas according to the need, thereby improving the operating experience of the user.

The invention discloses a backlight brightness adjustment method and system for mobile terminals. The backlight brightness adjustment method includes: setting a first control strip and a second control strip which are used for adjusting backlight brightness in a display screen of the mobile terminals in advance; calculating backlight brightness values according to toughed positions on the first control strip and the second control strip when detecting that the first control strip and the second control strip are touched simultaneously; correspondingly adjusting the backlight brightness of the mobile terminals according to the backlight brightness values. The backlight brightness is adjusted by the arrangement of the two control strips, so that adjustment precision of the backlight brightness of the mobile terminals is higher, fine adjustment on the backlight brightness is realized, and great convenience is brought to users.

The invention discloses a screen splitting configuration method and a terminal. The method comprises the steps of obtaining a first application currently run by a user; monitoring and triggering a to-be-run second application; querying the first application and the second application in a preset screen splitting database; and when it is queried that the first application and the second application are both applications capable of performing screen splitting, displaying interfaces of the first application and the second application in two windows defined in a current screen respectively. By adopting the method and the terminal, the screen splitting efficiency can be improved and the user experience can be enhanced.

The printing control device of the present invention inquires whether or not an actual output printer driver supports the function of the items regarding drawing processing in step SC1503. If it is found as a result of inquiry in step SC1504 that the printer driver does not support the function, the printing control device processes print data in step SC1506. On the other hand, if the printer driver supports the function in step SC1504, the printing control device determines whether or not the print setting corresponding to the function is enabled in step SC1505. If the printing control device determines that the print setting is disabled, the process advances to step SC1506 and the printing control device processes print data.

The invention discloses an FPGA implementation method of a multi-channel data source DDR buffer, including: hanging a plurality of DDR granules with the FPGA, randomly configuring the number of channels, and then arbitrating the DDR reading and writing of each channel, wnerein the arbitration rule is an arbitration rule through polling or matching the bandwidth. The invention buffers the data of each channel to the address space corresponding to each channel of the DDR, the address space size of each channel can be arbitrarily divided, the total address space size is the sum of the memory space of each DDR granule, and the channel data and the DDR are respectively transferred through asynchronous fifo. The invention flexibly and efficiently uses a plurality of DDR granules to carry out read-write arbitration on each channel, can carry out handover on the terminal domain channel when expanding a plurality of asynchronous clocks, flexibly matches the address space mapped by the cache DDR, and centralizes the cache data bandwidth of the plurality of DDRs to cache the arbitrated channel.

The invention discloses a method for determining a decompression algorithm and a system thereof, before the transmission of the compressed information to be exchanged by a communication end and a communication opposite end, the communication end send a request of a compression algorithm protocol to the communication opposite end which negotiates with the communication end to select out a compression algorithm supporting by both parts. The invention, as the two communication parts negotiate and select out a compression algorithm supported by both parts, in the following information exchange process, can compress/decompress information by the local supported compression algorithm thereof, thereby reducing decompression time as well as the time delay of information exchange.

The embodiment of the invention discloses an online teaching method and device, a storage medium and terminal equipment, and belongs to the field of online education. The method comprises the steps ofreceiving courseware data from a server, and displaying courseware in a first display area based on the courseware data, receiving a target courseware interaction instruction from a server in the courseware display process, and executing a first courseware interaction operation indicated by the target courseware interaction instruction on a courseware interface of the courseware. Interaction between students and courseware can be realized based on the courseware interaction instruction preset in the courseware so that online teaching cost can be reduced and teaching efficiency can be enhanced.

The invention provides a malicious software API (Application Program Interface) call sequence detection method based on graph convolution. The method comprises the following steps: acquiring and recording API call sequence information of processes and sub-processes when a large number of software samples run; performing vectorization processing on the API calling sequence information; extracting aparameter relationship, a dependency relationship and a sequence relationship of the API function; establishing an API call graph; inputting the API call graph into a graph convolutional neural network for training to obtain a malicious software detection network model; collecting API calling sequence information of processes and sub-processes when the executable file to be detected runs; constructing an API call graph of the executable file to be detected, then inputting the API call graph of the executable file to be detected into the malicious software detection network model, If the output result of the malicious software detection network model is 1, indicating that the judgment result is malicious software; If the output result of the malicious software detection network model is 0,indicating that the judgment result is normal software.

The invention discloses a credit recording service method and system which is based on mobile terminal, the method includes: step one, recording information and relationship information of associator; step two, mobile terminal applies and downloads personal credit recording; step three, personal associator brings forth personal credit recording when he consumes at enterprise associator, identification equipment reads and obtains the personal credit recording serial number or input personal credit recording serial number by hand, then judging whether it is online, if it is online, enter step four, if else enter step five; step four, validating; step five, identification equipment reads the personal credit recording at home, accomplish consumption and add this recording to the identification equipment. The system includes: a service provider and terminal identification equipment; thereinto the service provider is a service group which includes: center service group and a local service system. The mobile terminal uses two dimension code identification and validating technique to record and manage client credit recording.

The invention relates to the fault diagnosis field, and especially relates to a temperature sensor fault diagnosis method and system. Temperature data of a housing of a single cell is obtained through software and hardware two modes respectively, and a comparison is made between the temperature data obtained through the two modes; if the test times in the multiple obtaining test process surpasses a reasonable times range, it is judged that fault occurs; then, analysis is carried out with abnormal information stored in an abnormal database being combined; and if the abnormal database does store the abnormal information, it is judged that fault occurs to a temperature sensor to be tested. The temperature sensor fault diagnosis method and system not only can prevent misjudgment of cell state due to fault of the temperature sensor, but also can greatly reduce redundancy quantity of the temperature sensor; abnormal database data does not need to be obtained in real time, and can only need to be obtained when fault is judged preliminarily; and effective utilization ratio of system resources can be greatly improved.

The invention discloses a method, system and device for compiling an AI chip and a storage medium, and the method comprises the steps of carrying out the quantification of a network model of the AI chip, and carrying out the precision adjustment of the quantified network model based on the weight of the network model; allocating calculation of the convolutional neural network to different MAC calculation units of the AI chip in the network model after precision adjustment so as to optimize a calculation process of the network model; and acquiring hardware architecture parameters, and generating a continuous calculation flow according to the hardware architecture parameters and the network model. According to the invention, the AI chip is quantified and the precision is adjusted, so that the performance is more perfect; the calculation of the network is optimized to the maximum extent, the calculation steps are reduced, and the utilization rate of the MAC calculation unit is maximized;the utilization rate of the AI equipment is improved by generating the calculation flow capable of enabling the calculation equipment to be always in the busy state in the network reasoning process.

A stereoscopic image display device is for use with shutter glasses having left and right shutter lenses and includes a display processor, a display screen, a signal generator, and a signal transmitter. The display processor is for receiving a video input signal and outputting a video output signal sequence according to a frame sync signal acquired from the video input signal. The display screen is for receiving the video output signal sequence corresponding to a sequence of left-eye and right-eye images and displays the left-eye and right-eye images in an alternating manner according to the frame sync signal. The signal generator is for generating a shutter sync control signal that is transmitted to the shutter glasses by the signal transmitter for controlling duty cycles of alternating operations of the shutter glasses according to the frame sync signal.