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1. 发明授权

US06367935B1 Method and device for eliminating image speckles in scanning laser image projection 失效
标题翻译：扫描激光图像投影中消除图像斑点的方法和装置
公开(公告)号：US06367935B1
公开(公告)日：2002-04-09
申请号：US09355288
申请日：1999-10-12
申请人： Lingli Wang , Theo Tschudi , Thorsteinn Halldorsson , Palmi Petursson
发明人： Lingli Wang , Theo Tschudi , Thorsteinn Halldorsson , Palmi Petursson
IPC分类号： G03B2114
CPC分类号： G02B27/48 , G03H1/32 , G03H2240/11
摘要： A method for the elimination of image speckles in a scanning laser projection is suggested, in which a phase hologram is used for dividing the illumination beam of the projector into partial beams. The partial beams are heterodyned again on the image screen within the image element (pixels) to be projected in such a way that differing speckle patterns are formed which average each other out in the eye of the viewer over time and/or space. Thus, a device is provided especially for the laser projection which substantially eliminates or reduces the speckles at the viewer. However, the beam form and the beam density are hardly or not changed.
摘要翻译：提出了一种消除扫描激光投影中的图像斑点的方法，其中使用相位全息图将投影仪的照明光束分成局部光束。部分光束在图像元素（像素）内的图像屏幕上再次被外差投影，使得形成在观看者的眼睛中随时间和/或空间彼此平均的不同散斑图案。因此，特别为激光投影提供了一种装置，其基本上消除或减少了观察者处的斑点。然而，波束形式和光束密度几乎或不改变。

2. 发明申请

US20120033228A1 METHOD FOR ZERO-CONTACT MEASUREMENT OF TOPOGRAPHY" 有权
标题翻译：地形测量零位测量方法“
公开(公告)号：US20120033228A1
公开(公告)日：2012-02-09
申请号：US13202560
申请日：2010-02-19
申请人： Theo Tschudi , Bernhard Braunecker
发明人： Theo Tschudi , Bernhard Braunecker
IPC分类号： G01B11/24
CPC分类号： G01B11/2441 , B24B17/04 , B24B49/12 , G01M11/025
摘要： A method for zero-contact measurement of the topography of a spherically or aspherically curved air-glass surface of an optical lens or lens combination, distinguished in that the surface (S1) to be measured is sampled on its glass rear side with an optical measurement beam through the air-glass surface (S2) lying before it in the measurement direction. A device for carrying out the method is characterized in thata) the optical lens (2) or the lens system is fastened on the end side of a rotatably mounted hollow shaft (1) such that the optical axis of the lens or lens system is at least approximately aligned with the rotation axis (3) of the hollow shaft (1), b) focusing optics (6) for an optical measurement beam (10) are arranged inside the hollow shaft, c) the measurement unit (7) for generating the measurement beam (10) is arranged so as to be displaceable perpendicularly to the rotation axis (3) of the hollow shaft (1), d) at least one beam splitter (11) for separating a partial beam and forwarding it onto at least one optical sensor (12) is inserted into the measurement beam (10), and e) an optoelectronic transducer and evaluation electronics are assigned to the sensor (12).
摘要翻译：用于对光学透镜或透镜组合的球形或非球面弯曲的气泡玻璃表面的形貌进行零接触测量的方法，其特征在于待测量的表面（S1）在其玻璃后侧采用光学测量通过位于测量方向上的气玻璃表面（S2）。用于执行该方法的装置的特征在于：a）将光学透镜（2）或透镜系统紧固在可旋转地安装的中空轴（1）的端侧，使得透镜或透镜系统的光轴为至少大致与中空轴（1）的旋转轴线（3）对准，b）用于光学测量梁（10）的聚焦光学元件（6）布置在空心轴内部，c）用于产生测量光束（10）被布置成垂直于中空轴（1）的旋转轴线（3）移动，d）至少一个分束器（11），用于分离部分光束并将其转发到至少一个光学传感器（12）被插入到测量光束（10）中，并且e）将光电转换器和评估电子器件分配给传感器（12）。

3. 发明授权

US5621525A Apparatus and method for measuring the power density of a laser beam with a liquid crystal 失效
标题翻译：用液晶测量激光束的功率密度的装置和方法
公开(公告)号：US5621525A
公开(公告)日：1997-04-15
申请号：US384661
申请日：1995-02-06
申请人： Thomas Vogeler , Theo Tschudi , Nelson Tabirian , Boris Zel'dovich
发明人： Thomas Vogeler , Theo Tschudi , Nelson Tabirian , Boris Zel'dovich
IPC分类号： G01J1/42 , G01K17/00 , G01B9/02
CPC分类号： G01K17/003 , G01J1/4257
摘要： Meters detect power parameter information about laser beams using liquid crystals to propagate the beam therethrough with photodiode detectors. The power parameters include intensity in watts per square meter, beam waist size, and the location of the focal spot based in light induced orientational phenomena in the liquid crystal. The detectors can can count the number of interference fringe rings produced by a laser beam passing through the liquid crystal(LC). Alternatively, the time between the occurrence of each interference fringe ring can be measured to determine the power parameters. A preferred embodiment has a standard liquid crystal oriented at approximately 45 degrees to the axis of an incoming laser beam to be measured. The beam passing through the LC can be centered through a pinhole on a planar plate causing the interference fringe rings to appear on the surface of the plate. An alternative embodiment measures intensity based on determining the voltage necessary to produce fringe ring patterns. Corresponding the fringe ring patterns to intensity values can be done manually upon visual observation and calculation or automatically by computer.
摘要翻译：仪表使用液晶检测关于激光束的功率参数信息，以通过光电二极管探测器传播光束。功率参数包括以瓦特每平方米为单位的强度，束腰尺寸以及基于液晶中的光诱导取向现象的焦点位置。检测器可以计算通过液晶（LC）的激光束产生的干涉条纹环的数量。或者，可以测量每个干涉条纹环的发生之间的时间以确定功率参数。优选实施例具有与待测量的输入激光束的轴线成大约45度的标准液晶。通过LC的光束可以通过平板上的针孔居中，导致干涉条纹环出现在板的表面上。替代实施例基于确定产生边缘环图案所需的电压来测量强度。相应的边缘环形图案与强度值可以在目视观察和计算后自动进行，也可以通过计算机自动进行。

4. 发明授权

US08908191B2 Method for zero-contact measurement of topography 有权
标题翻译：地形零接触测量方法
公开(公告)号：US08908191B2
公开(公告)日：2014-12-09
申请号：US13202560
申请日：2010-02-19
申请人： Theo Tschudi , Bernhard Braunecker
发明人： Theo Tschudi , Bernhard Braunecker
IPC分类号： G01B11/02 , G01B11/24 , G01M11/02 , B24B49/12 , B24B17/04
CPC分类号： G01B11/2441 , B24B17/04 , B24B49/12 , G01M11/025
摘要： A method for zero-contact measurement of the topography of a spherically or aspherically curved air-glass surface of an optical lens or lens combination, distinguished in that the surface (S1) to be measured is sampled on its glass rear side with an optical measurement beam through the air-glass surface (S2) lying before it in the measurement direction. A device for carrying out the method is characterized in that a) the optical lens (2) or the lens system is fastened on the end side of a rotatably mounted hollow shaft (1) such that the optical axis of the lens or lens system is at least approximately aligned with the rotation axis (3) of the hollow shaft (1), b) focusing optics (6) for an optical measurement beam (10) are arranged inside the hollow shaft, c) the measurement unit (7) for generating the measurement beam (10) is arranged so as to be displaceable perpendicularly to the rotation axis (3) of the hollow shaft (1), d) at least one beam splitter (11) for separating a partial beam and forwarding it onto at least one optical sensor (12) is inserted into the measurement beam (10), and e) an optoelectronic transducer and evaluation electronics are assigned to the sensor (12).
摘要翻译：用于对光学透镜或透镜组合的球形或非球面弯曲的气泡玻璃表面的形貌进行零接触测量的方法，其特征在于待测量的表面（S1）在其玻璃后侧采用光学测量通过位于测量方向上的气玻璃表面（S2）。用于执行该方法的装置的特征在于：a）将光学透镜（2）或透镜系统紧固在可旋转地安装的中空轴（1）的端侧，使得透镜或透镜系统的光轴为至少大致与中空轴（1）的旋转轴线（3）对准，b）用于光学测量梁（10）的聚焦光学元件（6）布置在空心轴内部，c）用于产生测量光束（10）被布置成垂直于中空轴（1）的旋转轴线（3）移动，d）至少一个分束器（11），用于分离部分光束并将其转发到至少一个光学传感器（12）被插入到测量光束（10）中，并且e）将光电转换器和评估电子器件分配给传感器（12）。

5. 发明授权

US07050214B2 Optical compensation element 有权
标题翻译：光学补偿元件
公开(公告)号：US07050214B2
公开(公告)日：2006-05-23
申请号：US10250513
申请日：2002-01-08
申请人： Mathias Hain , Somakanthan Somalingam , Theo Tschudi
发明人： Mathias Hain , Somakanthan Somalingam , Theo Tschudi
IPC分类号： G02F1/03 , G02F1/07
CPC分类号： G11B7/13925 , G02F1/13306 , G02F1/134309 , G02F2203/18 , G11B7/0956 , G11B7/1369
摘要： The invention relates to an optical compensation element comprising a first transparent surface on which a transparent electrode is arranged; a second transparent surface on which a plurality of transparent main electrodes are arranged, several of which being respectively connected to control electrodes via a transverse electrode; and a material having a refractive index which changes according to the voltage applied, said material being arranged between the first and second transparent surfaces. The aim of the invention is to improve said compensation element. To this end, each main electrode is connected to a transverse electrode at a precise location.
摘要翻译：本发明涉及一种光学补偿元件，其包括其上布置透明电极的第一透明表面; 布置有多个透明主电极的第二透明表面，其中几个通过横向电极分别连接到控制电极; 以及具有根据施加的电压而变化的折射率的材料，所述材料布置在第一和第二透明表面之间。本发明的目的是改进所述补偿元件。为此，每个主电极在精确的位置连接到横向电极。

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