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1. 发明授权

US3970825A Apparatus and a method for reading light-dark or color-contrast codes on articles 失效
标题翻译：用于在物品上读取浅色或彩色对比度代码的装置和方法
公开(公告)号：US3970825A
公开(公告)日：1976-07-20
申请号：US511703
申请日：1974-10-03
申请人： Johann Plockl
发明人： Johann Plockl
IPC分类号： G02B26/12 , G06K7/10 , G08C9/06
CPC分类号： G06K7/10871
摘要： Apparatus and method for reading light-dark or color-contrast codes on articles which are displaced over a light-transmitting region of a support of the kind wherein a scanning light beam is directed onto the articles and scattered light reflected from the articles and codes is supplied to a photoelectric transducer the output signal from which is supplied to electronic evaluating means, wherein the scanning light beam is directed upwardly through the light-transmitting region of the support and is displaced along two imaginary straight lines located in the light-transmitting region of the support, said lines, which preferably intersect, extending obliquely to the direction of displacement of the articles and substantially at right angles to one another.
摘要翻译：在扫描光束被引导到物品和从物品和代码反射的散射光的支撑体的透光区域上移动的物品上读取浅色或彩色对比度代码的装置和方法是提供给光电变换器，其输出信号被提供给电子评估装置，其中扫描光束被向上引导通过支撑件的透光区域，并且沿着位于发光区域的光透射区域中的两个假想直线位移，所述支撑件，优选地相交的所述线，倾斜地延伸到制品的位移方向并且基本上彼此成直角。

2. 发明授权

US4008964A Method of measuring the pitch of twisted threads 失效
标题翻译：测量螺纹螺距的方法
公开(公告)号：US4008964A
公开(公告)日：1977-02-22
申请号：US574254
申请日：1975-05-05
申请人： Johann Plockl
发明人： Johann Plockl
IPC分类号： G01B11/14 , G01B9/02
CPC分类号： G01B11/14
摘要： The pitch of twisted threads are measured by illuminating the threads with monochromatic light, especially a laser, to throw on a receiving surface a diffraction image from which the pitch is evaluated, preferably automatically by optical scanning and computing.
摘要翻译：通过用单色光，特别是激光照射螺纹来测量扭曲螺纹的间距，以优选地通过光学扫描和计算来自动地在接收表面上投射评估间距的衍射图像。

3. 发明授权

US4107702A Arrangement for reading out an optical memory 失效
标题翻译：读出光学存储器的布置
公开(公告)号：US4107702A
公开(公告)日：1978-08-15
申请号：US733718
申请日：1976-10-18
申请人： Johann Plockl
发明人： Johann Plockl
IPC分类号： B41B21/26 , G03B17/08
CPC分类号： B41B21/26
摘要： An arrangement for reading out selected characters from a font of characters stored on a stationary optical memory is disclosed. An equal number of light sources and lenses are arranged in front of a matrix plate. The images of the light sources are brought to a focus in a projecting lens, which is used to image the characters in a common plane. A number of deflecting elements is used to combine all images at a common location where the photosensitive material is placed.
摘要翻译：公开了一种用于从存储在固定光存储器上的字符的字体读出所选字符的装置。相同数量的光源和透镜被布置在矩阵板的前面。光源的图像在用于在公共平面中对字符进行成像的投影透镜中进行聚焦。使用许多偏转元件将所有图像组合在放置感光材料的公共位置。

4. 发明授权

US3985451A Method of measuring the pitch angle of yarns provided with a twist 失效
标题翻译：测量具有捻度的纱线的俯仰角的方法
公开(公告)号：US3985451A
公开(公告)日：1976-10-12
申请号：US606242
申请日：1975-08-20
申请人： Johann Plockl
发明人： Johann Plockl
IPC分类号： G01B11/00 , D07B7/02 , G01B11/26
CPC分类号： D07B7/022 , G01B11/26
摘要： A method of measuring the pitch angle of yarns provided with a twist, characterized in that an image of the surface of the thread is cast onto a slitted shutter, the slitted shutter and the thread are rotatable relatively to each other about their connecting axis and that the intensity of the light passing through the slitted shutter is measured as a function of the relative angle of rotation between thread and slitted shutter.
摘要翻译：一种测量具有捻度的纱线的俯仰角的方法，其特征在于，将所述线的表面的图像投射到狭长的快门上，所述切片快门和所述线可相对于它们的连接轴线相对旋转，并且，根据线和切片快门之间的相对旋转角度来测量穿过狭缝快门的光的强度。

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