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    • 4. 发明申请
    • METHOD AND APPARATUS FOR CAPTURING SCREEN BASED ON WDDM
    • 用于基于WDDM捕获屏幕的方法和装置
    • US20090153561A1
    • 2009-06-18
    • US12336316
    • 2008-12-16
    • Chengkun SunHongwei LiFei ZhouYueguang Jiao
    • Chengkun SunHongwei LiFei ZhouYueguang Jiao
    • G06T11/20
    • G06F3/1431
    • The present invention relates to a technique of capturing screen. It discloses a method for capturing screen based on WDDM, which is aimed at solving the problem that the existing techniques are not suitable for Vista. The method comprise the steps of outputting commands of drawing image by an image display processing engine; analyzing the commands of drawing image by a filter driver, determining whether a display adapter can execute the commands in accordance with the registered capacities of the display adapter, and transmitting the commands to the display adapter if the display adapter can execute the commands; generating image data to be displayed in accordance with the commands by the display adapter, and transmitting the generated image data back to the filter driver; and buffering the image data to be displayed in the filter driver. The present invention also discloses a computer system with a plurality of displays employing the method described above. The present invention can be easily implemented, and the captured screen image and the image on the local display terminal have the same image quality.
    • 本发明涉及一种捕获屏幕的技术。 它公开了一种基于WDDM捕获屏幕的方法,该方法旨在解决现有技术不适用于Vista的问题。 该方法包括以下步骤:通过图像显示处理引擎输出绘图图像的命令; 分析由过滤器驱动器绘制图像的命令,确定显示适配器是否可以根据显示适配器的注册容量执行命令,并且如果显示适配器可以执行命令则将命令发送到显示适配器; 根据显示适配器的命令生成要显示的图像数据,并将生成的图像数据发送回过滤驱动器; 并缓冲要显示在过滤器驱动器中的图像数据。 本发明还公开了一种使用上述方法的具有多个显示器的计算机系统。 本发明可以容易地实现,并且捕获的屏幕图像和本地显示终端上的图像具有相同的图像质量。
    • 6. 发明授权
    • Method of precipitation of metal ions
    • 金属离子析出方法
    • US08808660B2
    • 2014-08-19
    • US13145632
    • 2010-02-09
    • Xiaowei HuangZhiqi LongHongwei LiDali CuiXinlin PengGuilin YangYongke HouChunmei WangShunli Zhang
    • Xiaowei HuangZhiqi LongHongwei LiDali CuiXinlin PengGuilin YangYongke HouChunmei WangShunli Zhang
    • C01B31/24
    • C22B3/44C04B22/064C04B22/066C22B59/00Y02P10/234
    • The present invention relates to a method of precipitation of metal ions. Mineral(s), oxide(s), hydroxide(s) of magnesium and/or calcium are adopted as raw materials, and the raw material(s) is processed through at least one step of calcination, slaking, or carbonization to produce aqueous solution(s) of magnesium bicarbonate and/or calcium bicarbonate, and then the solution(s) is used as precipitant(s) to deposit rare earth, such as nickel, cobalt, iron, aluminum, gallium, indium, manganese, cadmium, zirconium, hafnium, strontium, barium, copper and zinc ions. And at least one of metal carbonates, hydroxides or basic carbonates is obtained, or furthermore the obtained products are calcined to produce metal oxides. The invention takes the cheap calcium and/or magnesium minerals or their oxides, hydroxides with low purity as raw materials to instead common precipitants such as ammonium bicarbonate and sodium carbonate etc. The calcium, magnesium, carbon dioxide etc are efficiently and circularly used, and the environment pollution by ammonium-nitrogen wastewater, high concentration salts wastewater is avoided, and both of the discharge of greenhouse gas carbon dioxide and the production cost of metal are decreased.
    • 本发明涉及一种沉淀金属离子的方法。 采用矿物,氧化物,镁和/或钙的氢氧化物作为原料,通过至少一个煅烧,去渣或碳化步骤处理原料以产生水溶液 碳酸氢钙和/或碳酸氢钙的溶液,然后使用该溶液作为沉淀剂沉积稀土,例如镍,钴,铁,铝,镓,铟,锰,镉, 锆,铪,锶,钡,铜和锌离子。 并且获得金属碳酸盐,氢氧化物或碱性碳酸盐中的至少一种,或者进一步将所得产物煅烧以产生金属氧化物。 本发明以廉价的钙和/或镁矿物或其氧化物,低纯度的氢氧化物为原料,代替普通的沉淀剂如碳酸氢铵和碳酸钠等。钙,镁,二氧化碳等有效和循环使用, 避免了氮铵废水,高浓度盐水等环境污染,温室气体二氧化碳的排放和金属的生产成本均下降。
    • 7. 发明授权
    • Method for acquiring graphics device interface invocation by using filter driver
    • 使用过滤器驱动程序获取图形设备接口调用的方法
    • US08395628B2
    • 2013-03-12
    • US11776780
    • 2007-07-12
    • Hongwei LiChengkun SunYiqiang YanShaoping PengBo Liu
    • Hongwei LiChengkun SunYiqiang YanShaoping PengBo Liu
    • G06F15/00G06F13/14G06F3/00G06T1/00G06K15/00
    • G06T15/005G06F3/1415G09G5/363
    • A method for intercepting graphics device interface invocations by using filter driver which is transparent to graphics device interface engine and real display driver is disclosed. The method comprises steps of duplicating DDI function table returned from said real display driver, modifying DDI functions of said real display driver required for capturing screen update, creating auxiliary buffer area as updating buffer area for said screen update, and further processing said updating buffer area. With the method of the present invention, the support to video and 3D acceleration in the local computer can be realized by means of software, and the user can be provided with high-quality picture and display effect. Compared with the Mirror system in the prior art, since the present invention doesn't employ the Mirror system, the graphics device interface engine of the inventive system are not aware of the existence of the filter driver, the video and 3D acceleration function of the graphic card still remains. As a result, the function can be supported in the system, and applications employing video and 3D acceleration can be executed normally.
    • 公开了一种通过使用对图形设备接口引擎和实际显示驱动程序是透明的过滤器驱动程序拦截图形设备接口调用的方法。 该方法包括以下步骤:复制从所述实际显示驱动器返回的DDI功能表,修改捕获屏幕更新所需的所述真实显示驱动器的DDI功能,创建辅助缓冲区作为用于所述屏幕更新的更新缓冲区,以及进一步处理所述更新缓冲区 。 利用本发明的方法,可以通过软件实现对本地计算机中的视频和3D加速的支持,并且可以为用户提供高质量的图片和显示效果。 与现有技术中的Mirror系统相比,由于本发明不使用Mirror系统,本发明系统的图形设备接口引擎不知道是否存在过滤驱动器,视频和3D加速功能 图形卡仍然存在。 因此,该功能可以在系统中得到支持,采用视频和3D加速的应用程序可以正常执行。