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    • 74. 发明申请
    • NOISE REDUCTION METHOD, DEVICE AND SYSTEM ON THE BASIS OF TOUCH DETECTION OF A CAPACITIVE SCREEN
    • 噪声抑制方法,设备和系统基于触摸屏检测的电容性屏幕
    • US20140002412A1
    • 2014-01-02
    • US13611668
    • 2012-09-12
    • Lianghua MoChen LiJingkai Zhang
    • Lianghua MoChen LiJingkai Zhang
    • G06F3/045
    • G06F3/0416G06F3/0418G06F3/044
    • It is provided a noise reduction method, device and system on the basis of touch detection of a capacitive screen. The noise reduction method includes: sending a first scanning waveform to all receiving terminals by a first sending terminal and then sending a second scanning waveform to all the receiving terminals by a second sending terminal during a detection time period, wherein the phase of the first scanning waveform is continuous with that of the second scanning waveform and the first scanning waveform has a same frequency as that of the second scanning waveform; and filtering a signal received by the receiving terminals after demodulating it. Non-gap scanning can be achieved by performing continuation process to the scanning waveform, i.e. by achieving that the phases are continuous and the frequencies are the same.
    • 基于电容屏的触摸检测,提供了降噪方法,装置和系统。 降噪方法包括:通过第一发送终端向所有接收终端发送第一扫描波形,然后在检测时间段期间由第二发送终端向所有接收终端发送第二扫描波形,其中第一扫描的相位 波形与第二扫描波形的波形连续,第一扫描波形具有与第二扫描波形相同的频率; 并且在解调之后对接收终端接收的信号进行滤波。 可以通过对扫描波形执行连续处理,即通过实现相位连续并且频率相同来实现非间隙扫描。
    • 79. 发明授权
    • Single-pass bounding box calculation
    • 单程边界计算
    • US08217962B2
    • 2012-07-10
    • US12361676
    • 2009-01-29
    • Xin TongChen LiJinyu Li
    • Xin TongChen LiJinyu Li
    • G09G5/00G06T15/00G06T15/40
    • G06T15/005G06T11/40G06T2210/12
    • Embodiments for single-pass bounding box calculation are disclosed. In accordance with one embodiment, the single-pass bounding box calculation includes rendering a first target to a 2-dimensional screen space, whereby the first target includes at least six pixels. The calculation further includes producing transformed vertices in a set of geometry primitives based on an application-specified transformation. The calculation also includes generating six new points for each transformed vertex in the set of geometry primitives. The calculation additionally includes producing an initial third coordinate value for each pixel by rendering the at least six new points generate for each pixel to each corresponding pixel. The calculation further includes producing a post-rasterization value for each pixel by rasterizing the at least six new points rendered to each pixel with each corresponding pixel. Finally, the calculation includes computing bounding box information for the set of geometry primitives based on the produced third coordinate values.
    • 公开了单程界限框计算的实施例。 根据一个实施例,单程界限框计算包括将第一目标渲染到二维屏幕空间,由此第一目标包括至少六个像素。 该计算还包括基于应用指定的变换在一组几何图元中产生经变换的顶点。 该计算还包括为几何图元集合中的​​每个变换的顶点生成六个新点。 该计算另外包括通过将针对每个像素生成的至少六个新点渲染到每个对应像素来产生每个像素的初始第三坐标值。 该计算还包括通过用每个对应的像素光栅化渲染到每个像素的至少六个新点来为每个像素产生光栅后值。 最后,计算包括基于产生的第三坐标值来计算几何图元集合的边界框信息。