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    • 71. 发明申请
    • Projector with reduced size and higher contrast
    • 投影机尺寸缩小,对比度更高
    • US20090262311A1
    • 2009-10-22
    • US12398993
    • 2009-03-05
    • Ming-Kuen Lin
    • Ming-Kuen Lin
    • G03B21/28
    • G02B17/045G03B21/008
    • A projector with reduced size and higher contrast includes a prism assembly, a light system, and a Digital Micro-mirror Device (DMD). Only In the “ON” state of DMD, the light from the light system reflects to a projection screen through the prism assembly and the DMD. The prism assembly includes two prisms and a medium layer. The prism assembly is appropriately designed so as to disable the light in the “OFF” state from reflecting to the projection screen by two-time total internal reflection in the prism assembly, and also to reduce the size of the projector.
    • 具有减小尺寸和较高对比度的投影仪包括棱镜组件,光系统和数字微镜设备(DMD)。 只有在DMD的“ON”状态下,来自光系统的光通过棱镜组件和DMD反射到投影屏幕。 棱镜组件包括两个棱镜和一个介质层。 棱镜组件被适当地设计成使得在“OFF”状态的光不能通过棱镜组件中的两次全内反射而反射到投影屏幕,并且还可以减小投影仪的尺寸。
    • 72. 发明申请
    • Optical sight having an unpowered reticle illumination source
    • 光学瞄准具具有无动力的掩模版照明源
    • US20080186571A1
    • 2008-08-07
    • US11702687
    • 2007-02-05
    • Kevin B. WagnerBrien Douglas Ross
    • Kevin B. WagnerBrien Douglas Ross
    • G02B23/00
    • G02B27/34F41G1/38G02B17/045G02B23/14
    • An optical sight includes an optical train having an optical path therethrough, an entrance, and an exit. A reticle is visible through the exit of the optical path. An unpowered reticle illumination source has a first light source that illuminates the reticle responsive to the level of ambient light, and a second light source that illuminates the reticle with an unpowered light source. The reticle illumination source preferably has a scintillation material positioned so that ambient light entering the ambient-light receiver is incident upon the scintillation material, whereupon the scintillation material responsively emits secondary light. A light-gathering prism receives the secondary light and has a diffusing surface disposed to illuminate the reticle using the secondary light. An unpowered light source is positioned to emit light through the diffusing surface to be incident upon the reticle. The unpowered light source may be a tritium light source.
    • 光学瞄准器包括具有穿过其的光路的光学列车,入口和出口。 通过光路的出口可以看到光罩。 无动力的掩模版照明源具有响应于环境光的水平照射光罩的第一光源和用未供电的光源照亮光罩的第二光源。 掩模版照明源优选地具有闪烁材料,其被定位成使得进入环境光接收器的环境光入射到闪烁材料上,于是闪烁材料响应地发射次级光。 聚光棱镜接收二次光,并且具有设置成使用次级光照亮标线的扩散表面。 无动力光源被定位成通过漫射表面发射光以入射到掩模版上。 未供电的光源可以是氚光源。
    • 74. 发明授权
    • Tilting system for an observation device and an observation device
    • 用于观察装置和观察装置的倾斜系统
    • US07256934B2
    • 2007-08-14
    • US10821623
    • 2004-04-09
    • Joachim BihrAlfons Abele
    • Joachim BihrAlfons Abele
    • G02B23/00
    • G02B21/22G02B17/045G02B23/02
    • A tilting system for an observation device, in particular for a microscope, with at least one objective device and at least one optical device for passing at least one beam path from an entrance region to an exit region of the tilting system is described, wherein the optical device has at least one optical element in the form of a prism for tilting and for image reversion of the beam path as well as for guiding it further into at least one ocular device. According to the invention, a particularly cost-favorable and structurally simple configuration of the tilting system with a mechanical structural length that is simultaneously as small as possible is provided by configuring the optical elements for tilting the beam path as well as at least one prism for image reversion in a special way and by arranging them in a specific manner relative to one another in the beam path. In addition, an observation device with a corresponding tilting system is described.
    • 描述了用于观察装置的倾斜系统,特别是用于具有至少一个物镜装置的观察装置的倾斜系统和用于使至少一个光束路径从倾斜系统的入射区域到出射区域通过的至少一个光学装置,其中, 光学装置具有棱镜形式的至少一个光学元件,用于倾斜和用于光束路径的图像反转,并且用于将其进一步引导到至少一个眼睛装置中。 根据本发明,通过配置用于使光束路径倾斜的光学元件以及至少一个棱镜来提供具有尽可能同时尽可能小的机械结构长度的倾斜系统的特别成本有利且结构简单的构造 以特殊的方式进行图像反转,并且通过在光束路径中以相对于彼此的特定方式布置它们。 另外,描述了具有相应倾斜系统的观察装置。
    • 75. 发明申请
    • Projection objective for microlithography
    • 微光刻的投影目标
    • US20050264884A1
    • 2005-12-01
    • US11059364
    • 2005-02-17
    • Christoph ZaczekDavid ShaferWilhelm Ulrich
    • Christoph ZaczekDavid ShaferWilhelm Ulrich
    • G02B5/30G02B17/08G02B27/28G03F7/20
    • G02B17/0892G02B17/045G02B27/283G03F7/70225
    • A projection objective (5) for microlithography for projecting a pattern arranged in an object plane (8) of the projection objective (5) has in the light path between the object plane (8) and the image plane (11) at least one beam deflecting device (19) with at least one totally reflective surface (17) that is inclined to an incidence direction of the radiation incident on the totally reflective surface (17) in such a way that substantially all the radiation coming from the object plane (8) and striking the totally reflective surface (17) is totally reflected at the totally reflective surface (17). A high reflectivity in conjunction with high angle of incidence with respect to the surface normal to the totally reflective surface (17) can be achieved with the aid of the beam deflecting device (19). In the case of catadioptric projection objectives, in particular, it is possible thereby to fashion designs that without the use of total reflection for beam deflection can be implemented only with a substantially greater outlay on construction.
    • 用于突出布置在投影物镜(5)的物平面(8)中的图案的用于微光刻的投影物镜(5)在物平面(8)和像平面(11)之间的光路中具有至少一个光束 偏转装置(19)具有与入射在全反射表面(17)上的辐射的入射方向倾斜的至少一个全反射表面(17),使得基本上所有来自物平面(8)的辐射 )和撞击全反射表面(17)在全反射表面(17)处被全反射。 借助于光束偏转装置(19),可以实现高反射率和高入射角相对于垂直于全反射表面(17)的表面。 在反射折射投影物镜的情况下,特别地,可以设计出不需要使用用于光束偏转的全反射的设计,只能在施工上实现更大的花费。
    • 78. 发明授权
    • Telescope and binoculars
    • 望远镜和望远镜
    • US06538812B1
    • 2003-03-25
    • US10015805
    • 2001-12-17
    • Moriyasu KanaiSatoru Nemoto
    • Moriyasu KanaiSatoru Nemoto
    • G02B2300
    • G02B23/02G02B17/026G02B17/045
    • A telescope includes an erecting system having first, second, third and fourth reflecting surfaces from an object side, the first and second reflecting surfaces and the third and fourth reflecting surfaces facing each other at right angle, respectively. An objective lens located between the first and fourth reflecting surfaces has a positive refractive power to converge object light that is reflected by at least the first reflecting surface for forming an image. An eyepiece located between the fourth reflecting surface and an eye point, has a positive refractive power to magnify the image formed by the objective lens. The first reflecting surface is formed on a retractable mirror that can swing between a working position such that the first and second reflecting surfaces are perpendicular, and a retracted position such that a free end of the retractable mirror moves close to the second reflecting surface.
    • 望远镜包括具有从物体侧开始的第一,第二,第三和第四反射表面,第一和第二反射表面以及第三和第四反射表面分别彼此面对的竖立系统。 位于第一和第四反射面之间的物镜具有正折射力,以会聚物体光,该物体光至少被形成图像的第一反射面反射。 位于第四反射面和眼点之间的目镜具有正折射力,以放大由物镜形成的图像。 第一反射面形成在能够在第一反射面和第二反射面垂直的工作位置之间摆动的可缩回反射镜和缩回位置,使得可缩回镜的自由端靠近第二反射面移动。
    • 79. 发明申请
    • Stereomicroscopy system
    • 立体显微镜系统
    • US20020075449A1
    • 2002-06-20
    • US09964251
    • 2001-09-26
    • Fritz Strahle
    • A61B003/10
    • G02B17/045A61B90/20G02B5/04G02B17/04G02B21/0012G02B21/025G02B21/18G02B21/22
    • A stereomicroscopy system is disclosed for viewing an object and/or an intermediate image produced of an object, in microsurgery. The stereomicroscopy system includes an objective system with an object plane for positioning the object and/or the intermediate image to be viewed. The stereomicroscopy system also includes a beam interchanging and image inverting system. The beam interchanging and image inverting system supplies a first beam bundle directed to the left from the object plane in the direction of the objective system to the right of the objective system. The beam interchanging and image inverting system also supplies a second beam bundle directed to the right from the object plane in the direction of the objective system to the left of the objective system. The beam interchanging and image inverting system also inverts image orientations of the two beam bundles. The beam interchanging and image inverting system includes at least one Porro prism of the second kind.
    • 公开了用于在显微外科中观察由物体产生的物体和/或中间图像的立体显微镜系统。 立体显微镜系统包括具有用于定位物体的物体平面和/或要观看的中间图像的物镜系统。 立体显微镜系统还包括光束交换和图像反转系统。 光束交换和图像反转系统从目标系统的右侧的物镜系统方向向物体平面提供指向左侧的第一束束。 光束交换和图像反转系统还将物镜系统的方向上的物平面向右指向物镜系统左侧的第二束束。 光束交换和图像反转系统也反转了两束光束的图像取向。 光束交换和图像反转系统包括至少一种第二种波罗棱镜。