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    • 3. 发明授权
    • Method and apparatus for deriving a color controlled video mixer keying
signal
    • 用于衍生彩色控制的视频混合器键控信号的方法和装置
    • US5140409A
    • 1992-08-18
    • US581277
    • 1990-09-12
    • Klaus-Dieter MullerBernhard Kreling
    • Klaus-Dieter MullerBernhard Kreling
    • H04N5/275H04N9/75
    • H04N9/75H04N5/275
    • For deriving a keying signal for a video mixer from a video pattern signal which may be derived by reference to the presence of a selected color in one of the video signals to be mixed, the level-shift voltage added to the video signal for producing the clipped video pattern signal, instead of being constant, is derived from at least one amplitude envelope signal produced from the video signal in order to overcome effects of non-uniform lighting or shadow effects in the picture that contains a selected color. The clip voltage is about half of the amplitude envelope signal. Preferably, both positive and negative amplitude envelope signals are generated and the level-shift voltage is then the mean value of the voltages contemporaneously represented by the envelope signals. The envelope signals are stored for a picture field interval before being used to generate the level-shift voltage.
    • 为了从可以通过参考要混合的视频信号之一中存在所选择的颜色导出的视频图案信号导出用于视频混合器的键控信号,添加到用于产生视频信号的视频信号的电平转换电压 从视频信号产生的至少一个幅度包络信号导出剪切的视频图形信号,而不是恒定的,以克服包含所选颜色的图像中的不均匀照明或阴影效应的影响。 钳位电压约为振幅包络信号的一半。 优选地,产生正和负幅度包络信号,并且电平转换电压然后是由包络信号同时表示的电压的平均值。 在用于产生电平移位电压之前,将包络信号存储用于图像场间隔。
    • 4. 发明授权
    • Method for supplying foodstuff samples for microbiological testing
    • 供应食品样品进行微生物检测的方法
    • US5036001A
    • 1991-07-30
    • US328589
    • 1989-01-19
    • Fritz-Peter GorkKlaus-Dieter MullerDoris Schweitzer
    • Fritz-Peter GorkKlaus-Dieter MullerDoris Schweitzer
    • C12M1/32C12Q1/04G01N1/28G01N33/02G01N35/00
    • G01N35/0099G01N33/02G01N2001/2866G01N2035/00326G01N2035/0097
    • Methods for supplying a foodstuff sample for microbiological testing comprise supplying the sample in a plastic bag, adding physiological nutrient solution to the sample in a specified weight ratio, mechanically comminuting and homogenizing the contents of the bag, and removing a partial quantity of the contents of the bag by means of pipette via a filter as sample liquid. The methods further comprise injecting the same liquid onto at least one nutrient medium situated in a petri dish and inserting the injected petri dish into an incubator. In the communution and homogenization of the contents of the bag, the bag is clamped shut and pressed between a fixed jaw and two jaws which oscillate alternately. In the injection of the nutrient medium, the sample liquid is injected in a spiral shape onto the nutrient medium. Additionally, a laboratory robot system is employed.
    • PCT No.PCT / EP88 / 00261 Sec。 371日期1989年1月19日 102(e)日期1989年1月19日PCT提交1988年3月29日PCT公布。 出版物WO88 / 07710 日期为1988年10月6日。用于供应微生物测试的食品样品的方法包括将样品供应到塑料袋中,以特定重量比向样品中加入生理营养液,机械粉碎并均化袋的内容物,并除去 通过移液管通过作为样品液体的过滤器将袋的内容物的一部分量。 所述方法还包括将相同的液体注射到位于培养皿中的至少一种营养培养基上并将注射的培养皿插入培养箱中。 在袋的内容物的通气和均质化中,袋被夹紧并夹在固定的颚和交替摆动的两个颚之间。 在注入营养培养基中,将样品液体以螺旋形状注入营养培养基上。 另外,采用实验室机器人系统。
    • 5. 发明授权
    • Special effects mixer for video signals with automatic amplitude control
of signals relating to lower priority planes
    • 用于视频信号的特殊效果混音器,具有与较低优先级平面相关的信号的自动幅度控制
    • US5016105A
    • 1991-05-14
    • US453393
    • 1989-12-19
    • Klaus-Dieter MullerErnst RauChristian Sacher
    • Klaus-Dieter MullerErnst RauChristian Sacher
    • H04N5/275
    • H04N5/275
    • In a mixer in which several video signal inputs are multiplied by respective mixing factor signals and the multiplier outputs are added together to produce an output video signal, one of the video inputs is given priority and the mixing factors for the other video inputs are premultiplied by a second set of multipliers in such a manner that the video input of next priority will not have an amplitude greater than what is "left over" by the higher priority signal, and so on in descending order of priority. For further flexibility it is useful to provide a third set of multipliers to allow more external control inputs to participate in determining mixing factors and facilitate special effects. A multiplier of the third set is not necessary for control of the mixing factor of the video input of lowest priority. Even a multiplier of the second set is not strictly necessary for that lowest priority video input.
    • 在其中多个视频信号输入被相应的混合因子信号相乘并且乘法器输出相加在一起以产生输出视频信号的混频器中,视频输入中的一个被给予优先权,并且其它视频输入的混合因子被预先乘以 第二组乘法器,使得下一优先级的视频输入将不具有比较高优先级信号“左”的幅度大等等,以优先级的降序排列。 为了进一步的灵活性,提供第三组乘法器是有用的,以允许更多的外部控制输入参与确定混合因子并促进特殊效果。 对于最低优先级的视频输入的混合因子的控制,第三组的乘法器不是必需的。 即使第二组的乘数对于最低优先级的视频输入也不是绝对必要的。