144results about How to "Refresh fast" patented technology

A video-on-demand system provides efficient commercial distribution for renting and / or selling movies, video programs, video games and electronic data. Data input stations upload original video data from videotapes, videocassettes, videodisks or film, or from electronic data format on transferable storage media or over a telecommunications line. A video data capture computer converts the original video data into a preferred video data storage format and stores the video data files in a first generation video data storage unit. The video data files are sorted by categories and classified in indexed master files stored on a second generation video data storage unit. NTSC, PAL and / or HDTV versions of the video data files are created and stored in separate data storage units for serving different markets. Customers access the system through computer servers connected to the Internet. The computer servers access the video data file in the data storage units and create a temporary video data file, which is downloaded to the customer via the Internet. The video data file is downloaded at high speed and stored on the customer's video player device for viewing at a later time. The video data files can be downloaded, stored and viewed on a desktop computer, a laptop computer, palmtop computer, a set-top data storage device connected to a television set, video game device, or a personal digital assistant, cellular telephone or pager with video capabilities. The system includes back-up mirror storage files at all levels of the system for security against data loss.

The invention provides a method for processing map data based on a mobile terminal, a system and the mobile terminal. The method comprises the following steps of: carrying out format conversion processing for the map data and generating map vector data; encoding the generated map vector data and generating the map vector data with a compressed format; constructing a dynamic vector database in the mobile terminal; downloading the map vector data with the compressed format into the dynamic vector database; reading the map vector data with the compressed format from the dynamic vector database and decoding the map vector data with the compressed format to obtain the map vector data; and mapping a map which is corresponding to the map vector data on a display of the mobile terminal according to the map vector data and mobile terminal display pixel data. The method, the system and the mobile terminal are used to solve the problem that map data storage is matched with display and real time map scanning, voice navigation, real time geographic information and interest point searching and the like on the mobile terminal are realized in deed.

The invention provides a waveform display method, which is used for a digital oscilloscope to represent a stored waveform in the form of a displayed waveform on a display screen and which comprises the following steps of: 1) according to the display characteristics information and the waveform data of the displayed waveform, clearing the screen; and 2) according to the display characteristics information and the waveform data of the stored waveform, representing the displayed waveform on the display screen, and updating the display characteristics information and the waveform data of the displayed waveform. The waveform display method of the invention not only can greatly improve the refreshing display time of the waveform, but is also simple in implementation.

The invention relates to a stitching wall positioning system based on an image sensor and a positioning method. The stitching wall positioning system comprises at least two single-screen processing modules and a stitching and positioning processing module connected with the single screen processing modules, wherein any single-screen processing module is corresponding to a display unit of the stitching wall, and the single screen processing modules respectively collect the brightness values of all pixel points of the corresponding display units, perform the corresponding processing and obtain the number of the pixel points of light spots and the first position coordinate of the center points of the light spots relative to the display units; the stitching and positioning processing module calculates the second position coordinate of the center points of the light spots relative to the stitching wall, and realizes the positioning. Because the positioning of the stitching wall is realized based on the image sensor, the positioning performance is not easy to be affected by long-term usage, and because each single-screen processing module performs processing to the brightness value of the corresponding display unit, the processed data size is small, the processing speed is high and the positioning precision is improved.

The invention discloses a dual-optical-frequency-comb linear spectral encoding imaging method. According to the method, two optical frequency combs with locked repetition frequencies are used, and thetwo optical frequency combs output signal light and local oscillator light respectively. The signal light is divided into detection light and reference light. The detection light passes a spectral encoder to be focused on the surface of a sample to be measured, the sample to be measured is encoded, and then the sample to be measured and the local oscillator light are subjected to dual-optical-frequency-comb heterodyne interference. The reference light directly interferes with the local oscillator light. Two interference pulse signals are generated and are converted into digital signals by signal acquisition. Optical reference compensation detection jitter is used, and a sample absolute distance with high precision and high stability, a linear reflectivity and phase information are obtained. The sample is moved linearly, continuous measurement is performed, and a 3D topographic image and a 2D reflectance image with high precision are achieved. The dual-optical-frequency-comb linear spectral encoding imaging has the advantages of simple structure, high measurement speed, high precision, a large amount of information and high expansion.

The invention discloses a full-color reflection type smectic liquid crystal display device with high contrast, which comprises a reflecting layer. A first dye liquid crystal hybrid display module, a second dye liquid crystal hybrid display module and a third dye liquid crystal hybrid display module are orderly superposed on the reflecting layer; and a first liquid crystal display module is superposed on the third dye liquid crystal hybrid display module. The full-color reflection type smectic liquid crystal display device with the high contrast has the advantages of rich color display effects,high screen reflectivity, white / black contrast of over 6:1, multistable characteristic, low energy consumption, high image refreshing speed and good environmental protection performance.

The invention discloses a method for achieving data compression of a digital oscilloscope based on a field programmable gata array (FPGA). The method for achieving the data compression of the digital oscilloscope based on the FPGA includes that digital signal data which is collected by analog signals through a module converter is compressed by the FPGA, the FPGA firstly stores data in an external storage into a storage FIFO1, and a first value, a maximum value, a minimum value and a last value of data are found out from a set of data according to given compressibility and then are stored in a storage FIFO2 through a compression module, digital signals in the external storage are circularly processed, and when a data volume in the storage FIFO2 reaches a set value, the storage FIFO2 stores and retrieves the data no longer, and the data in the storage FIFO2 is sent to an oscilloscope screen to be displayed. The method for achieving the data compression of the digital oscilloscope based on the FPGA not only improves the storage depth of the oscilloscope, but also accelerates the update rate of the oscilloscope, a continuous wave shape is obtained, and the capture rate of the oscilloscope is improved.

The application provides a 3D image display method, a 3D image display device and a television. A frame of 3D image is received and displayed as four fields of images; when the first field of left-eye image is displayed, the displayed image is rapidly refreshed in a cycle T1, and in a display cycle t1, the left-eye image is then kept; when the second field of dark-field image is displayed, the displayed dark-field image is rapidly refreshed in a cycle T2, and in a display cycle t2, the dark-field image is then kept; likewise, when the third field of right-eye image is displayed, the displayed image is rapidly refreshed in a cycle T3, and in a display cycle t3, the right-eye image is then kept; when the fourth field of dark-field image is displayed, the displayed dark-field image is rapidly refreshed in a cycle T4, and in a display cycle t4, the dark-field image is then kept. Compared with the prior art, the invention optimizes the problem of 3D crosstalk by increasing the image-refreshing speed, thus further increasing the brightness of 3D display.

A method for accelerating speed of refreshing image frame is used for driving a display-panel to display and refresh an image frame rapidly. According to the method, the first step is to extract a digital content and generate the image frame according to the digital content, so as to drive the display-panel to display the image frame. A partial refresh area is defined on the image frame, and a partial image frame rather than the entire image frame is refreshed, so as to accelerate the speed of refreshing the image frame. Optionally, a number of gray levels of the partial refresh area are reduced, so as to accelerate the speed of refreshing the image frame. At least one screen operation command is received, partial refresh content is extracted from the digital content according to the screen operation command, and a displayed content in the partial refresh area is refreshed.

The invention discloses a parallel LED drive method based on three-dimensional display and a system thereof. A whole LED screen is divided into M rows*N lists of sub-screens; each sub-screen includes I rows*j lists of color LED pipes; each sub-screen is corresponding with one drive circuit; and images on every sub-screen are all displayed in parallel. Every drive circuit sends a list of image signals in the sub-screen to a list of LEDs on the sub-screen to ensure that a list of LEDs are displayed at the same time; and the display of the images of the whole sub-screen is realized by scanning different lists in sequence. A PC machine is connected with a PCI-E bridge, an electro-optic conversion module, a photoelectric conversion module, a main control field programmable gate array, a distribution field programmable gate array, an LED drive chip and an LED screen orderly. The distribution field programmable gate array is connected with a multi-path gating apparatus module, a high power apparatus module and the LED screen. The invention realizes the high speed transmission, storage, processing and display of mass data, improves the refresh rate of the image greatly as well as the brightness and resolution of the screen.

The invention discloses a line jump scanning drive method for a smectic state liquid crystal display screen, which comprises the following steps of: reading data of each line in turn by taking line as a unit, filtering the data of the line at the same time, and judging whether the line has display content, if so, storing a starting address corresponding to the data of the line in an address memory; storing a filter trailing flag after the last starting address; reading each starting address in turn; while reading one starting address, reading the data of the line corresponding to the starting address from an image memory, outputting a corresponding pulse on a strip electrode of a first conducting electrode layer corresponding to the line, and outputting the corresponding pulse according to the read data of the line on each strip electrode of a second conducting electrode layer; and when the filter tailing flag is read, stopping outputting the pulses. The line jump scanning drive method is suitable for the smectic state liquid crystal display screen, and can effectively improve the image refresh rate of the display screen.

The invention relates to the technical field of computers, and discloses ink screen reading equipment, a screen driving method thereof and a storage medium. The method comprises: acquiring the currenttemperature of the ink screen; Judging whether the current temperature is smaller than a preset first temperature value or not; If yes, determining a second temperature value, determining a driving waveform of the ink screen in an LUT table according to the second temperature value and the gray value of the to-be-displayed content, wherein the second temperature value is larger than or equal to the first temperature value; Otherwise, according to the current temperature and the gray value of the to-be-displayed content in the LUT table, looking up the table to determine the driving waveform of the ink screen; And driving the ink screen to display the content to be displayed by using the driving waveform determined by table lookup. According to the embodiment of the invention, the drivingwaveform with shorter refresh time can be obtained, so that the refresh speed is increased.

The invention discloses a car data stream obtaining method and system and a computer readable memory medium. The method comprises the steps of receiving data stream selection instructions and packaging the data stream selection instructions into a first data packet; sending the data packet to a lower computer, analyzing the first data packet and then sending the first data packet to a car OBD interface through the lower computer, and obtaining reply data corresponding to the data stream selection instructions returned by the car OBD interface; and receiving a second data packet which is generated by packaging the reply data through the lower computer, analyzing the second data packet and obtaining data streams corresponding to the data stream selection instructions. According to the scheme, a plurality of data stream selection instructions are packaged and are sent to the lower computer, so the lower computer analyzes the instructions and then interacts with the car OBD interface, obtains the reply data returned by the car OBD interface and processes the reply data to obtain the data streams corresponding the data stream selection instructions. The plurality of data streams are prevented from being sent and displayed circularly one by one when the plurality of data streams are checked. The data stream refreshing speed is improved.

The invention relates to the field of Internet, and discloses a wireless router capable of automatically shielding advertising information. The wireless router comprises an advertisement shielding module, and a data storing module connected with the advertisement shielding module, wherein the advertisement shielding module and the data storing module are connected with a user terminal through a network address translator; the data storing module is used for storing the type of an advertisement to be shielded and an advertising keyword list; the data storing module is further connected with an official server, and is used for automatically updating the advertising keyword list regularly; the advertisement shielding module is used for judging the content acquired from the network is matched with the type of the advertisement to be shielded and the advertising keyword list which are stored in the data storing module or not, if so, shielding the network content, otherwise, transmitting the network content to the terminal. According to the technical scheme, the advertising information in Internet can be shielded and a user experience can be improved.

The invention discloses a refreshing method of a liquid crystal display. A start voltage is provided for at least two lines of pixel modules simultaneously, and liquid crystal units in the pixel modules are controlled to be conducted by the same data driving line. The invention discloses the liquid crystal display, at least comprising a display screen, a data driving unit, a scan driving unit and a data flip-chip thin-film device, wherein the display screen is provided with the pixel modules; the data driving unit and the scan driving unit are connected with the display screen; and the data flip-chip thin-film device is connected with the scan driving unit, and supports the function of simultaneously starting at least two lines of pixel modules. The data flip-chip thin-film device is internally provided with a change-over switch which sets the scan driving unit to be in a 2D (two-dimensional) mode or a 3D (three-dimensional) mode. The invention discloses a liquid crystal television, at least comprising a main board; and the main board is connected to the liquid crystal display and transmits gray-scale data to the scan driving unit in the liquid crystal display.

An embodiment of the invention provides a Vspy-based ECU software refreshing method which comprises the steps of selecting the type of the ECU software to be refreshed in a refreshing tool which is developed based on Vspy; according to the selected type of the ECU software to be refreshed, reading the storage address of a refreshing file which corresponds with the type of the ECU software; in the storage address, reading a safe algorithm file which corresponds with the type of the ECU software, a Flash driving file and a refreshing file to be uploaded; uploading the refreshing file to the ECU of a passenger vehicle, and refreshing the corresponding ECU software in the ECU. The embodiment of the invention correspondingly provides a Vspy-based software refreshing device. The Vspy-based ECU software refreshing method and the Vspy-based software refreshing device have advantages of reducing refreshing cost of the ECU software, increasing refreshing speed, improving refreshing success rate, reducing dependence on a provider and improving confidentiality.

The embodiment of the invention discloses a bistable-state display screen refreshing method and device and relates to the field of electronic display, and the method device disclosed by the embodiment of the invention can be used for simultaneously providing a better display effect and a higher refreshing speed. The method comprises the following steps: dividing a display window into a plurality of display areas; defining each display area as one of an Xth picture area, a Yth character area and a Zth undetermined area, wherein X, Y and Z are non-zero natural numbers; when the Zth undetermined area is in the presence and the Zth undetermined area has new content to display, judging whether the content to be displayed in the Zth undetermined area contains pictures; if the content contains pictures, refreshing the Zth undetermined area which contains the new content to be displayed by virtue of the first gray level; and if the content does not contain the pictures, refreshing the Zth undetermined area which contains the new content to be displayed by virtue of the second gray level. The bistable-state display screen refreshing method and device are mainly used for refreshing the bistable-state display screen and are especially used for refreshing an electronic reader.

The present invention provides an auto data stream display method and system, and an auto diagnosis device. The method comprises the steps of: performing numbering of disorderly displayed at least oneauto data stream; performing ranking of the at least one auto data stream, and displaying the at least one auto data stream according to the ranking sequence; selecting at least one target data stream from the at least one auto data stream according to a target data stream selection command; performing paging display of the at least one auto data stream; obtaining number data of the target data stream displayed in each page, and establishing the association relation of the display pages and the number data; if a fresh command is received, performing paging fresh of the target data stream displayed at the current page according to the association relation of the display pages and the number data. The auto data stream display method and system, and the auto diagnosis device can convenientlyallow the diagnosis personnel to rapidly find target data streams from the auto data streams so as to improve the fresh speed of the data streams when the target data streams are checked.

The invention provides a method for achieving a communication gateway. The method for achieving the communication gateway is characterized by comprising the steps that firstly, concurrence function configuration is conducted on the gateway; secondly, two data mapping tables are formed by the gateway; thirdly, according to control types, different values are set to unit identifier fields in a Modbus / TCP message by a Modbus / TCP master station needing concurrence control; fourthly, after the Modbus / TCP message from the Modbus / TCP master station is received by the gateway, the values of the unit identifier fields are judged, if the values of the unit identifier fields are specific values, concurrence control is conducted, and if the values of the unit identifier fields show the address of a sub station, unique control is conducted. The method for achieving the communication gateway has the following advantages that the problems that the polling cycle of a multi-device network is long and data are slow in refreshing are solved. It is guaranteed that real-time data and non-real-time data of a device can be collected at the same time according to different requirements. The burden of data processing of an upper-layer Ethernet system is relieved.

The invention discloses an ink screen quick refreshing method, and the method comprises the steps: obtaining a current frame of image corresponding to a screen refreshing instruction and a previous frame of image and a next frame of image corresponding to the current frame of image when the screen refreshing instruction is received; performing absolute difference calculation on the current frame of picture, the previous frame of picture and the next frame of picture to obtain a first difference picture and a second difference picture, and determining a first pixel point in the first differencepicture and a second pixel point in the second difference picture; and if the first pixel point does not coincide with the second pixel point, executing refreshing operation on the second pixel pointafter the first pixel point is refreshed. The invention further discloses an ink screen quick refreshing device and equipment and a computer readable storage medium. By simplifying the refreshing process of the electronic ink screen, the refreshing speed of the electronic ink screen is increased.

The invention discloses a signal control device and a method, a display control device and a method, and a display device, and relates to the field of display technologies. Through high frequency datafor driving the display device to display, the display effect of the display device is improved. The signal control device comprises k data lines corresponding to a list of pixel driving circuits. Each list of pixel driving circuits comprises k types of pixel driving circuits. A phase shift unit makes scanning signal phase difference of adjacent two pixel driving circuits in the same list to be T / k. A write-in control unit controls data writing duration Ti of a data signal terminal corresponding to each pixel driving circuit to be equal to T / k. Data writing start time difference of adjacent two pixel driving circuits is T / k. A signal matching unit controls the write-in control unit to provide data signals to the pixel driving circuits for receiving scanning signals. The display control device comprises the signal control device mentioned in the above technical scheme. The signal control device provided by the invention is used in the display technology.

The invention relates to an electronic paper display device and a driving method thereof. The electronic paper display device comprises a plurality of pixels, wherein each pixel comprises at least two thin-film transistors which are respectively and electrically connected with a data line and a grid line, and each thin-film transistor is opened once in one refresh period. The electronic paper display device is characterized in that at each time, at least two lines of TFTs (Thin Film Transistor) are opened simultaneously and are at least updated twice; and the twice updating can be matched with different voltage and period intervals. According to the invention, the refreshing speed is accelerated, the requirement for storage capacitance can be reduced, and faster gray-level updating can be realized; and by arrangement of different refresh period intervals, more pulse combination schemes are provided, so that more and faster gray-level display is realized.

The invention relates to an automatic update method of data, in particular to the data update in a memorizer of a video device. The invention is to resolve the problem of providing a method that the memorizer has automatic update data after the upgrade of the software. The adopted technical proposal comprises the following steps: a. first starting of the whole machine, the version number of the software is stored in the memorizer; b. when the whole machine is started every time, the version number of the software in the default data area is compared with the version number of the software in the memorizer, thus entering into step c if both are identical or entering into step d if both are different; c. the data in the memorizer is read; d the data in the memorizer is renovated immediately and the version number of the software in the default data area is stored in the memorizer. The invention has the advantages of simplicity, easy and reliable operation and greatly improving the production efficiency of product and the eligibility rate of opening the box of whole machine.

A memory system that includes a first bit line coupled to a first set of dynamic random access memory (DRAM) cells, a second (complementary) bit line coupled to a second set of DRAM cells, and a sense amplifier coupled to the first and second bit lines. The sense amplifier includes a pair of cross-coupled inverters (or a similar latching circuit) coupled between the first and second bit lines, as well as a first select transistor coupling the first bit line to a first global bit line, and a second select transistor coupling the second bit line to a second global bit line. The first and second select transistors are independently controlled, thereby enabling improved read and write access sequences to be implemented, whereby signal loss associated with bit line coupling is eliminated, ‘read bump’ conditions are eliminated, and late write conditions are eliminated.

This invention teaches a packed column, comprising an outer cylinder, a support plate, and a plurality of fluid balls, wherein an inner cylinder is connected to the center of the support plate, and a plurality of openings and deflectors connected to the openings are disposed on the circular edge of the inner cylinder. By setting a circular spin and planetary travel path for the fluid balls, a series of problems influencing the mass transfer speed are solved. This invention has the following characteristics: 1) the technical problems such that the gas and liquid contact area of static bed packing is small and the operation of turbulent bed is unstable are solved completely; 2) the spray liquid is utilized completely, the consumption of the spray liquid is reduced and the operation cost of the reflecting packed column is decreased; and there is no stringent requirement on the pressure and atomization degree to the spray liquid; 3) the mass transfer effect having a low resistance and high efficiency can be achieved without increasing the air pressure; 4) an absorption liquid circulation system with dual or more loops can be realized; the purpose of multilevel flow split and multistage liquid processing can be reached; and 5) the reflecting packed column has a simple structure and has fewer easily worn-out parts; the scaling buildup can be avoided resulting from the planetary motion of the fluid balls. The reflecting packed column of this invention is applicable to various mass transfer processes.

The invention discloses a refreshing method and device for a monitoring platform. The method comprises the steps that first monitoring data are acquired, the first monitoring data comprise an equipment identifier of first monitoring equipment and first data, a picture display layer corresponding to the equipment identifier is determined according to the equipment identifier, and a display pictureof the picture display layer corresponding to the equipment identifier is updated according to the first data. According to the technical scheme, the whole Web page is not refreshed, the whole Web page is divided into a plurality of image display layers, and the image display layer to be refreshed is determined according to the identifier of the monitored equipment of which the equipment state ischanged, so that only the image display layer to be refreshed is refreshed.Tthe Web page of the comprehensive monitoring platform is subjected to picture hierarchical management, so that the running state picture can be subjected to hierarchical design, the unnecessary rendering performance overhead is reduced, and the refreshing speed is increased.

The present invention discloses an adaptive SCADA monitoring method applicable to a power supply and power distribution field. According to the method, a device address mapping table is established, a time synchronizing command is sent out at a second time point represented by second information corresponding to the idle device address, and a new device receives the time synchronizing command and then performs a random number delay operation and other operations. The SCADA monitoring system can adjust automatically according to the quantity of accessed intelligent devices without changing the hardware and software architectures of an existing power supply and power distribution SCADA monitoring system, so that the configuration process of the traditional SCADA monitoring system is optimized, and the running speed thereof is improved.