Patent application number | Description | Published |
20100158269 | Method and apparatus for reducing wind noise - Techniques pertaining to techniques to reduce wind noises effectively in recorded signals are disclosed. According to one aspect of the present invention, there is a strong correlation between two voice signals from target voices in the same frequency band sampled simultaneously by a pair of microphones in a common scene while there is a weak correlation between wind noises in the same frequency band of the two voice signals sampled simultaneously by the pair of microphones in the common scene. Taking advantage of this feature to provide a larger gain to the frequency band having a strong correlation and a smaller gain to the frequency band having a weak correlation, thereby the wind noise is reduced efficiently with minimum impact on the target voices. | 06-24-2010 |
20100168882 | Method and Device for Switching Audio Recording Modes - Techniques pertaining to providing an appropriate recording mode to achieve optimum record data in accordance with the recording environment are described. In one embodiment, a current audio recording mode is determined is initially selected to be one of a low sensitivity audio recording mode and a high sensitivity audio recording mode. A digital gain for digital audio recoding data in the current audio recoding mode is obtained. The current audio recording mode is automatically switched between the low sensitivity audio recording mode and the high sensitivity audio recording mode when the digital gain reaches a gain threshold. | 07-01-2010 |
20100241426 | Method and system for noise reduction - Techniques pertaining to noise reduction are disclosed. According to one aspect of the present invention, noise in an audio signal is effectively reduced and a high quality of a target voice is recovered at the same time. In one embodiment, an array of microphones is used to sample the audio signal embedded with noise. The samples are processed according to a beamforming technique to get a signal with an enhanced target voice. A target voice is located in the audio signal sampled by the microphone array. A credibility of the target voice is determined when the target voice is located. The voice presence probability is weighted by the credibility. The signal with the enhanced target voice is enhanced according to the weighed voice presence probability. | 09-23-2010 |
20100295815 | Device and Method for detecting multiple touch points - Techniques for detecting multiple touch points for touch screens are disclosed. A touch screen includes a first conductive layer and a second conductive layer, each conductive layer having a positive terminal and a negative terminal. Efficient operations of detecting multiple points on the touch screen are described using various voltage/currents differences from the positive and negative terminals of the first and second conductive layers. | 11-25-2010 |
20100295816 | Device and method for detecting touch screen - Techniques for detecting multiple touch points for touch screen are disclosed. A touch screen includes a first conductive layer and a second conductive layer, each conductive layer having a positive terminal and a negative terminal, an operation of detecting multiple points on a touch screen includes: coupling the positive terminal of the second conductive layer to a positive reference voltage, coupling the negative terminal of the second conductive layer to a negative reference voltage, sampling the positive terminal of the first conductive layer to obtain a series of first voltage samples V | 11-25-2010 |
20140067386 | METHOD AND SYSTEM FOR NOISE REDUCTION - A method for noise reduction is provided including: beamforming audio signals sampled by a microphone array to get a signal with an enhanced target voice and a signal with a weakened target voice; locating a target voice in the audio signal sampled by the microphone array; determining a credibility of the target voice when the target voice is located; updating an adaptive filter coefficient according to the credibility, and filtering the signal with the enhanced target voice and the signal with the weakened target voice according to the updated adaptive filter coefficient to get a signal with reduced noise; and weighing a voice presence probability by the credibility, and enhancing the signal with reduced noise according to the weighed voice presence probability. | 03-06-2014 |
20150035852 | METHOD AND APPARATUS FOR CONVERTING IMAGE FROM RGB SIGNALS TO RGBY SIGNALS - A method provided by this disclosure may comprise: converting received RGB input signals into corresponding RGB luminance input values respectively; determining RGBY luminance output values according to a position relationship of corresponding point of the RGB luminance input values and regions formed by RGBY in a chromatic diagram respectively; and converting the determined RGBY luminance output values into corresponding RGBY output signals respectively and outputting the corresponding RGBY output signals. | 02-05-2015 |
20150049070 | METHOD AND APPARATUS FOR ADJUSTING DRIVING VOLTAGE FOR PIXEL CIRCUIT, AND DISPLAY DEVICE - In the method provided by the present disclosure, the driving voltage for the pixel circuit is dynamically adjusted in accordance with data voltages in each pixel row. Accordingly, as compared with a traditional method where a constant voltage is applied to the pixel circuit, the method provided therein is able to greatly reduce a dynamic loss and a temperature rise of an OLED pixel circuit and prolong the life of the OLED while reducing the driving cost. | 02-19-2015 |
20150372639 | DISPLAY SUBSTRATE AND DISPLAY DEVICE - The present invention provides a display substrate and a display device, belonging to the field of display technology. In view of the problem that the energy-saving techniques of an existing liquid crystal display have yet to be further developed and improved, the present invention provides the display substrate comprising photoelectric conversion element for converting light energy into electric energy and the display device including the above display substrate. According to the display substrate and the display device of the present invention, renewable light energy is converted into electric energy by using the photoelectric conversion elements to supply power to the display device, so that the energy consumption of an external power supply by the display device may be reduced, and further, non-renewable resources may be favorably saved. | 12-24-2015 |
20160042698 | SIGNAL CONVERSION DEVICE, SIGNAL CONVERSION METHOD AND DISPLAY DEVICE - The present invention discloses a signal conversion device, a signal conversion method and a display device. The signal conversion device includes a gamma conversion unit, a brightness detection unit and a brightness processing unit, wherein the gamma conversion unit is used for performing a gamma conversion process on RGB input signals and generating RGB brightness input values; the brightness detection unit is used for generating a W brightness input value based on RGB proportional coefficients and the RGB brightness input values; and the brightness processing unit is used for generating RGBW output signals based on the RGB proportional coefficients, the RGB brightness input values and the W brightness input value. With the present invention, the brightness of a displayed image can be increased without increasing the power consumption, so that the contrast of the displayed image is increased, and the display quality of the image is also improved. | 02-11-2016 |
Patent application number | Description | Published |
20100070226 | Analysis of Chirp Frequency Response Using Arbitrary Resampling Filters - Log chirp testing where a log chirp may be provided to a device under test and a first time domain response from the device under test may be received. The first time domain response may be in the time domain. The first time domain response may be converted to the angular domain to create an angular domain response. Converting to the angular domain response may include resampling the time domain response from the time domain to the angular domain. The angular domain response may be filtered and/or analyzed. The angular domain response may be converted to a second time domain response. Similar to above, the conversion may include resampling the angular domain response from the angular domain to the time domain. The first time domain response and the second time domain response may be analyzed. Testing results of the device under test may be generated and stored based on said analyzing. | 03-18-2010 |
20100246676 | Method of downscale decoding MPEG-2 video - A method of downscale decoding MPEG-2 video includes an Inverse Discrete Cosine Transformation (DCT) procedure for performing a ½ horizontal downscaling to convert DCT coefficients in a 8×8 array block of the video into a 4×8 array intra-block and performing a ½ vertical downscaling to convert the intra-block into an intra-coded picture having ¼ resolution of the original; and a downscaling motion compensation procedure for performing a motion compensation to the current intra-block to obtain a predictive block having ½ horizontal size of the original, adding the predictive block with a residual block produced by the same method applied to the intra-blocks to obtain a 4×8 array inter-block, and performing a ½ vertical downscaling to the inter-block for outputting a predictive-coded picture and a bidirectional predictive-coded picture having ¼ resolution of the original, so as to simplify the complexity of the decoding computation and enhance the decoding speed. | 09-30-2010 |
20130154878 | Resampling a Signal to Perform Synchrophasor Measurement - Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analyses. | 06-20-2013 |
20130158906 | Resampling a Signal to Perform Power Quality Measurement - Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analyses. | 06-20-2013 |
20130158907 | Resampling a Signal to Perform Power Quality and Synchrophasor Measurement - Performing power quality and synchrophasor analysis on a resampled signal. A first signal may be initially received which corresponds to a power system. The first signal may have a plurality of cycles and may have a frequency that varies over time. One or more parameters may be determined from the first signal. Based on the one or more parameters, the first signal may be resampled to produce an even angle signal. Various power quality measurements may be performed on the even angle signal. Similarly, further processing may be performed to perform synchrophasor measurements, e.g., to determine phasor, frequency, and/or rate of frequency change for the first signal. In some embodiments, the resampling processing elements (e.g., circuitry, programmable hardware elements, processors and memories, etc.) may be shared between the two analyses. | 06-20-2013 |
20150101453 | Fluoride-free Continuous Casting Mold Flux For Low-carbon Steel - The invention provides a fluoride-free continuous casting mold flux for low-carbon steel, comprising, based on weight, Na | 04-16-2015 |
20150328679 | FLUORIDE-FREE CONTINUOUS CASTING MOLD FLUX FOR ULTRALOW-CARBON STEEL - A fluoride-free continuous casting mold flux for ultralow carbon steel, comprising the following components in weight percentage: 3-10% of Na | 11-19-2015 |
Patent application number | Description | Published |
20140298242 | Method for controlling microblog display, microblog client and computer storage medium - A method for controlling microblog display, a microblog client and a computer storage medium are described, which pertain to microblog technology. A display interface of microblog consists of a main display area for displaying microblog messages and a promotion display area for displaying recommended messages. The method includes that: a micro-blog message is acquired and displayed in the main display area; recommended messages are pulled from a microblog server at a preset frequency, or/and recommended messages pushed by the microblog server at a preset frequency are received; the recommended messages are displayed in the promotion display area. By displaying the microblog messages in the main display area and displaying the recommended messages in the promotion display area, the recommended messages are pushed actively to users such that the users may acquire the recommended messages without refreshing the microblog and switching the display interface back and forth, visual experience of users is therefore guaranteed. | 10-02-2014 |
20140302827 | METHOD FOR DISPLAYING SPLASH SCREEN CONTENT, TERMINAL, CONTENT SERVER, AND SYSTEM THEREFOR - The present disclosure relates to a method for displaying splash screen content, a terminal, a content server, and a system therefor. The method includes: receiving a content request sent by a terminal, the content request carrying first time and/or a geographical location of the terminal, the first time being time when the terminal last requests splash screen content; acquiring splash screen content according to the first time and/or the geographical location of the terminal; and sending the splash screen content to the terminal such that the terminal displays the splash screen content. The content server includes: a first receiving module, a first acquiring module, and a first sending module. The terminal includes: a second sending module, a second receiving module, and a display module. The system includes: a terminal and a content server. The present disclosure enhances personality and interest of a terminal product and improves user experience. | 10-09-2014 |
20150153931 | METHOD, DEVICE AND TERMINAL FOR REFRESHING PAGE - The invention relates to MicroBlog field, and provides method, apparatus and terminal for page refreshing. The method includes: outputting a preset animation interface when a page refreshing operation is performed, wherein the preset animation interface comprising a preset logo, moving cursors, and a refresh progress bar, and the moving cursors move to the refresh progress bar starting from the preset logo; calculating and outputting current length of the refresh progress bar when it is detected that the moving cursors arrive at the refresh progress bar; and outputting pulled refresh information when the current length of the refresh progress bar equals to width of the preset animation interface. The invention can enable a user to get better sense of experience when a preset animation interface is output upon page refreshing. | 06-04-2015 |
20150191357 | HIGH-DENSITY AND HIGH-HARDNESS GRAPHENE-BASED POROUS CARBON MATERIAL, METHOD FOR MAKING THE SAME, AND APPLICATIONS USING THE SAME - A method for making graphene-based highly dense but porous carbon material with a high degree of hardness includes forming a sol by dispersing a graphene-based component in a solvent; preparing a graphene-based gel by reacting the sol in a reacting container at a temperature of about 20° C. to about 500° C. for about 0.1 hours to about 100 hours; and drying the gel at a temperature of about 0° C. to about 200° C. to obtain a material. A graphene-based porous carbon material and applications thereof are also disclosed. | 07-09-2015 |