143results about How to "Refresh fast" patented technology

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 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.

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 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.

A pair of cooling ear muffs, for use by a user in cooling the head of the user. A pair of ear covers each have a shell and contain a reservoir for holding a chilled liquid. A sealing ring on each ear cover encircles the ear and a thermal membrane communicates heat from the ear to the reservoir. A connecting band extends between the ear covers for maintaining the ear muffs on the head of the user while holding the ear covers in position on the ears.

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.

The method comprises: the browser outputs the changed data in the page to the display driving module as display data; the display driving module records the display data at each time; when the state is idle, the display data is directly sent to the hardware display module; when the state is busy, the current display data will be combined with the next display data, and unit the state become idle, the display data will be sent to the hardware display module at one time; after overall display data is transmitted out, the display command is transmitted to the hardware display module; after receiving the display data and the display command, it refreshes the page according to the currently-received data.

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 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 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.

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.

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 invention discloses a parallel LED drive system based on three-dimensional display. A whole LED screen is decomposed into son screens with M rows and N columns; each son screen contains color LEDs with i rows and j columns; each son screen corresponds to a drive circuit, and images of all the son screens are simultaneously displayed in parallel; each drive circuit simultaneously delivers a row of image signals in the son screen into a column of LEDs on the son screen so that a column of LEDs are simultaneously displayed; and the image display of the whole son screen is realized through the sequential scanning of different columns. A PC (Personal Computer) is connected with a PCI-E bridge, an electrooptic 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 in sequence; and the distribution field programmable gate array is connected with a multipath selection device module, a high-power device module and an LED screen in sequence. The parallel LED drive system based on three-dimensional display realizes high-speed transmission, storage, processing anddisplay of mass data, greatly increases the refreshing rate of images and increases the luminance and resolution ratio of the screen.