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    • 52. 发明授权
    • Optical system design method using real number surface number
    • 光系统设计方法采用实数表面数
    • US07852571B2
    • 2010-12-14
    • US11908054
    • 2005-05-13
    • Akira Yabe
    • Akira Yabe
    • G02B13/10
    • G02B27/0012
    • Generally, it is difficult to previously know an adequate position of a special optical surface such as an aspherical surface, a diffraction optical element, or an eccentric surface in an optical system. If a trial of designing an optical system with all the possible surface numbers is made, the number of combinations is very large, and the designing is often impossible. The invention solves such a problem and provides means for automatically and efficiently finding out the most suitable surface number of a special optical surface. According to the invention, the surface number of a special optical surface different from a spherical surface is expanded to a real number value, the constitution of an optical system including a special optical surface having a real number value surface number is defined, the real number value surface number is used as an independent variable for optimizing the optical system, and the best surface number of the special optical surface is determined. If the real number value surface number lies in the range from an integer n to an integer n+1, one method for defining the constitution of an optical system including the special optical surface is inserting one or more virtual optical surfaces between an optical surface n and an optical surface n+1 and setting the virtual optical surfaces as special optical surfaces determined by the characteristic values and the real number value surface numbers of the special optical surfaces and different from a spherical surface.
    • 通常,难以在光学系统中预先知道诸如非球面,衍射光学元件或偏心表面之类的特殊光学表面的适当位置。 如果设计具有所有可能的表面编号的光学系统的试验,组合的数量非常大,并且设计通常是不可能的。 本发明解决了这样一个问题,并且提供了用于自动和有效地找出特殊光学表面的最合适表面编号的装置。 根据本发明,将与球面不同的特殊光学面的表面数量扩展为实数值,定义包括具有实数值表面编号的特殊光学面的光学系统的结构,实数 值表面数被用作优化光学系统的独立变量,并确定特殊光学表面的最佳表面数。 如果实数值表面编号位于从整数n到整数n + 1的范围内,则用于定义包括特殊光学表面的光学系统的结构的一种方法是将一个或多个虚拟光学表面插入光学表面n 和光学表面n + 1,并且将虚拟光学表面设置为由特殊光学表面的特征值和实数值表面编号确定的特殊光学表面,并且不同于球形表面。
    • 55. 发明授权
    • Air-to-water de-anamorphoser and method of air-to-water de-anamorphosis
    • 空气对水的去角质和空气对水的变态的方法
    • US07760438B1
    • 2010-07-20
    • US11900145
    • 2007-09-11
    • Harold Suiter
    • Harold Suiter
    • G02B13/10
    • G02B5/04G02B13/10G02B23/22G02B27/0025Y10S359/90
    • A full or partial air-to-water de-anamorphoser and method of air-to-water de-anamorphosis is provided. A housing has a planar transparent window in one end thereof adjacent to a defined air space. The housing is placed under the water's surface with an acute angle being formed between the window and the water's surface to thereby define a virtual prism whose center leads its apex. An optical prism having an apex and a center is positioned in the housing's air space and is spaced apart from the housing's window such that the prism's apex leads its center as measured along a line parallel to light exiting the prism. The light exiting the prism was originally incident on the water's surface, subsequently traveled through the water, and then was passed sequentially through the housing's window, the housing's air space and the prism.
    • 提供了一种全部或部分空气对水的去角质形成和空气 - 水去变质的方法。 壳体的一端具有与限定的空气空间相邻的平面透明窗口。 将壳体放置在水面下方,在窗口和水的表面之间形成锐角,从而形成一个虚心的棱柱,其中心以其顶点为中心。 具有顶点和中心的光学棱镜定位在壳体的空气空间中并且与壳体的窗口间隔开,使得棱镜的顶点沿着平行于离开棱镜的光线的线测量其中心。 离开棱镜的光最初入射在水面上,随后穿过水面,然后依次通过外壳的窗户,外壳的空间和棱镜。
    • 56. 发明授权
    • Single prism aberration compensation
    • 单棱镜像差补偿
    • US07742229B2
    • 2010-06-22
    • US11948827
    • 2007-11-30
    • Patrick Rene Destain
    • Patrick Rene Destain
    • G02B13/10G02B5/04G02B26/00
    • G02B13/16G02B26/0833
    • System and method for utilizing two prisms spatially separated is provided. The two prisms spatially separated allows the two prisms typically found in a TIR optical relay system to be spatially separated. In an embodiment, one or more optical relay lenses are interposed between the two prisms. The prism positioned on the object side may be integrated into one or more of the optical relay lenses, thereby further simplifying the optical relay design. In another embodiment, the one or more optical relay lenses may have an optical axis that is offset from the optical axis of incoming light to cause a pupil shift. An aspherical lens may be included to correct for the pupil shift and create a more uniform illumination image.
    • 提供了利用空间分离的两个棱镜的系统和方法。 空间分离的两个棱镜允许通常在TIR光中继系统中发现的两个棱镜在空间上分离。 在一个实施例中,一个或多个光学中继透镜插入在两个棱镜之间。 位于物体侧的棱镜可以集成到一个或多个光学中继透镜中,从而进一步简化光学继电器设计。 在另一个实施例中,一个或多个光学中继透镜可以具有偏离入射光的光轴的光轴以引起光瞳偏移。 可以包括非球面透镜以校正光瞳偏移并产生更均匀的照明图像。
    • 58. 发明授权
    • Plenoptic camera
    • 专色相机
    • US07620309B2
    • 2009-11-17
    • US11398403
    • 2006-04-04
    • Todor G. Georgiev
    • Todor G. Georgiev
    • G03B13/00G02B13/10
    • H04N5/2254G02B3/0006G02B3/0056G02B5/045G02B27/0075H04N5/23212
    • One embodiment of the present invention provides a plenoptic camera which captures information about the direction distribution of light rays entering the camera. Like a conventional camera, this plenoptic camera includes a main lens which receives light from objects in an object field and directs the received light onto an image plane of the camera. It also includes a photodetector array located at the image plane of the camera, which captures the received light to produce an image. However, unlike a conventional camera, the plenoptic camera additionally includes an array of optical elements located between the object field and the main lens. Each optical element in this array receives light from the object field from a different angle than the other optical elements in the array, and consequently directs a different view of the object field into the main lens. In this way, the photodetector array receives a different view of the object field from each optical element in the array.
    • 本发明的一个实施例提供一种全光照相机,其捕获关于进入相机的光线的方向分布的信息。 像传统的照相机一样,这种全光照相机包括一个主透镜,该主透镜从物场中的物体接收光,并将接收到的光引导到相机的像平面上。 它还包括位于相机的图像平面处的光电检测器阵列,其捕获所接收的光以产生图像。 然而,与常规相机不同,全光照相机还包括位于物场和主透镜之间的光学元件阵列。 该阵列中的每个光学元件从与场列中的其它光学元件不同的角度接收来自物场的光,并且因此将物场的不同视图引导到主透镜中。 以这种方式,光电检测器阵列从阵列中的每个光学元件接收对象场的不同视图。