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    • 63. 发明申请
    • ZOOM LENS FOR PROJECTION AND PROJECTION-TYPE DISPLAY APPARATUS
    • 用于投影和投影型显示设备的变焦镜头
    • US20140226217A1
    • 2014-08-14
    • US14257321
    • 2014-04-21
    • FUJIFILM Corporation
    • Masaru AMANO
    • G02B13/04
    • G02B13/04G02B13/16G02B13/22G02B15/04G02B15/177
    • A zoom lens for projection substantially consists of a first lens-group having negative refractive power, and a second lens-group through a fifth lens-group having positive refractive power, arranged in this order from a magnification side. The zoom lens is configured to be telecentric on a reduction side. The first lens-group and the fifth lens-group are fixed while the second lens-group through the fourth lens-group move during magnification change. The fourth lens-group includes at least three positive lenses, and a most-magnification-side lens in the fourth lens-group has a convex surface facing the magnification side. Further, when a focal length of an entire system at a wide angle end is fw, and a focal length of the fourth lens-group is f4, and a full angle of view at a wide angle end is 2ω, conditional formulas (1) and (7) are satisfied: 7.5
    • 用于投影的变焦透镜基本上由具有负折光力的第一透镜组和通过具有正折射光焦度的第五透镜组的第二透镜组从放大倍率依次排列。 变焦镜头配置为在减速侧是远心的。 第一透镜组和第五透镜组被固定,而通过第四透镜组的第二透镜组在放大变化期间移动。 第四透镜组包括至少三个正透镜,并且第四透镜组中的最大倍率侧透镜具有面向放大倍率的凸面。 此外,当广角端的整个系统的焦距为fw,第四透镜组的焦距为f4,广角端的全视角为2ω时,条件式(1) 和(7):7.5
    • 65. 发明申请
    • METHODS AND APPARATUS FOR USING MULTIPLE OPTICAL CHAINS IN PARALELL
    • 在PARALELL中使用多个光链的方法和装置
    • US20140192214A1
    • 2014-07-10
    • US14147581
    • 2014-01-05
    • Tinz Optics, Inc.
    • Rajiv Laroia
    • H04N5/225
    • G02B13/0065G02B3/0056G02B7/18G02B13/16G02B13/22G02B17/008G02B17/0896G03B17/17G06T11/60H04N5/2251H04N5/2253H04N5/2254H04N5/2257H04N5/2258H04N5/2353H04N5/2355H04N5/238H04N5/265
    • Methods and apparatus for capturing or generating images using multiple optical chains operating in parallel are described. Pixel values captured by individual optical chains corresponding to the same scene area are combined to provide an image with at least some of the benefits which would have been provided by capturing an image of the scene using a larger lens than that of the individual lenses of the optical chain modules. By using multiple optical chains in parallel at least some benefits normally obtained from using a large lens can be obtained without the need for a large lens. Furthermore in at least some embodiments, a wide dynamic range can be supported through the use of multiple sensors with the overall supported dynamic range being potentially larger than that of the individual sensors. Some lens and/or optical chain configurations are designed for use in small handheld devices, e.g., cell phones.
    • 描述了使用并行操作的多个光链来捕获或生成图像的方法和装置。 将对应于相同场景区域的单个光链所捕获的像素值组合,以提供具有通过使用比单独的透镜的单个透镜更大的透镜捕获场景的图像将提供的至少一些益处的图像 光链模块。 通过并联使用多个光链,可以获得通常从使用大透镜获得的至少一些益处,而不需要大的透镜。 此外,在至少一些实施例中,可以通过使用多个传感器来支持宽的动态范围,其中总体支持的动态范围潜在地大于各个传感器的动态范围。 一些透镜和/或光链配置被设计用于小型手持设备,例如手机。
    • 66. 发明授权
    • Optical projection system and projector including the same
    • 光学投影系统和投影机包括相同
    • US08760768B2
    • 2014-06-24
    • US13529439
    • 2012-06-21
    • Makoto OtaniEiji Morikuni
    • Makoto OtaniEiji Morikuni
    • G02B13/08G02B3/00G03B3/00G02B13/16
    • G02B13/08G02B13/12G02B13/16G02B13/22G02B21/14G03B21/142
    • An optical modulation device side lens group has different powers in the longitudinal direction and the lateral direction of a liquid crystal panel. Therefore, as the entire system of the optical projection system, the optical modulation device side lens group has different magnification in the longitudinal and lateral directions. Therefore, it is possible to make the aspect ratio of an image of the liquid crystal panel different from the aspect ratio of an image projected on a screen. That is, conversion can be performed on an aspect ratio. At this time, a distance p between each focus or a diaphragm and the screen SC side end surface of the optical modulation device side lens group satisfies the conditional expressions, so it is possible to achieve a predetermined or higher telecentricity in both states, that is, a first operating state and a second operating state.
    • 光调制装置侧透镜组在液晶面板的长度方向和横方向上具有不同的功率。 因此,作为光投影系统的整个系统,光调制装置侧透镜组在纵向和横向均具有不同的放大率。 因此,可以使液晶面板的图像的纵横比与投影在屏幕上的图像的纵横比不同。 也就是说,可以根据纵横比进行转换。 此时,光调制装置侧透镜组的每个焦点或光阑与屏幕SC侧端面之间的距离p满足条件表达式,因此可以在两种状态下实现预定的或更高的远心度,也就是说 ,第一操作状态和第二操作状态。
    • 67. 发明授权
    • Optical image capturing lens system
    • 光学摄像镜头系统
    • US08743486B2
    • 2014-06-03
    • US13657075
    • 2012-10-22
    • Largan Precision Co., Ltd.
    • Tsung-Han TsaiWei-Yu Chen
    • G02B9/12G02B13/18G02B3/02G02B13/00
    • G02B9/12G02B13/0035G02B13/06G02B13/18G02B13/22
    • An optical image capturing lens system includes, in order from an object side to an image side, a first lens element, a second lens element and a third lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region. The second lens element with positive refractive power is made of plastic material, and has an object-side surface being convex at a paraxial region and an image-side surface being concave at a paraxial region, wherein the surfaces of the second lens element are aspheric. The third lens element with negative refractive power is made of plastic material, and has an object-side surface being concave or planar at a paraxial region and an image-side surface being concave at a paraxial region and being convex at a peripheral region, wherein the surfaces of the third lens element are aspheric.
    • 光学摄像透镜系统从物体侧到像侧依次包括第一透镜元件,第二透镜元件和第三透镜元件。 具有正折光力的第一透镜元件具有在近轴区域处凸起的物体侧表面。 具有正折光力的第二透镜元件由塑料材料制成,并且物体侧表面在近轴区域是凸起的,并且图像侧表面在近轴区域是凹形的,其中第二透镜元件的表面是非球面 。 具有负屈光力的第三透镜元件由塑料材料制成,并且物体侧表面在近轴区域处是凹形或平面的,并且图像侧表面在近轴区域处是凹形的并且在周边区域处是凸形的,其中 第三透镜元件的表面是非球面的。
    • 68. 发明授权
    • Photographing lens assembly
    • 拍摄镜头组件
    • US08736986B2
    • 2014-05-27
    • US13646732
    • 2012-10-07
    • Largan Precision Co., Ltd.
    • Tsung-Han TsaiWei-Yu Chen
    • G02B9/04G02B3/02G02B13/00
    • G02B13/003G02B13/06G02B13/18G02B13/22
    • A photographing lens assembly includes, in order from an object side to an image side, a first lens element and a second lens element. The first lens element with positive refractive power has an object-side surface and an image-side surface, wherein the object-side surface and the image-side surface of the first lens element are convex at a paraxial region thereof. The second lens element with refractive power is made of plastic material, and has an object-side surface and an image-side surface, wherein the object-side surface of the second lens element is convex at a paraxial region thereof, the image-side surface of the second lens element is concave at the paraxial region and is convex at a peripheral region thereof, and the object-side surface and the image-side surface of the second lens element are aspheric.
    • 拍摄镜头组件从物体侧到图像侧依次包括第一透镜元件和第二透镜元件。 具有正屈光力的第一透镜元件具有物体侧表面和图像侧表面,其中第一透镜元件的物体侧表面和像侧表面在其近轴区域是凸出的。 具有屈光力的第二透镜元件由塑料材料制成,并且具有物体侧表面和图像侧表面,其中第二透镜元件的物体侧表面在其近轴区域是凸形的,图像侧 第二透镜元件的表面在近轴区域处是凹形的,并且在其周边区域处是凸形的,并且第二透镜元件的物体侧表面和像侧表面是非球面的。
    • 69. 发明授权
    • Image lens assembly system
    • 图像镜头组装系统
    • US08736979B2
    • 2014-05-27
    • US13671540
    • 2012-11-07
    • Largan Precision Co., Ltd
    • Tsung-Han TsaiMing-Ta Chou
    • G02B3/02
    • G02B13/0045G02B3/04G02B5/005G02B9/64G02B13/02G02B13/04G02B13/18G02B13/22G02B27/0025H04N5/2254
    • An image lens assembly system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with negative refractive power has a convex object-side surface. The second lens element has positive refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element has refractive power. The sixth lens element with positive refractive power is made of plastic material, wherein at least one surface of the sixth lens element is aspheric. The seventh lens element with negative refractive power made of plastic material has a concave image-side surface changing from concave at a paraxial region to convex at a peripheral region, and at least one surface thereof is aspheric.
    • 第一透镜元件,第二透镜元件,第三透镜​​元件,第四透镜元件,第五透镜元件,第六透镜元件和第七透镜元件 透镜元件 具有负屈光力的第一透镜元件具有凸起的物体侧表面。 第二透镜元件具有正的折光力。 第三透镜元件具有屈光力。 第四透镜元件具有屈光力。 第五透镜元件具有屈光力。 具有正折光力的第六透镜元件由塑料材料制成,其中第六透镜元件的至少一个表面是非球面的。 由塑料材料制成的具有负屈光力的第七透镜元件具有凹面图像侧表面,其在近轴区域处的凹面在外围区域处变为凸形,并且其至少一个表面是非球面的。
    • 70. 发明授权
    • Optical image lens system
    • 光学镜头系统
    • US08717685B2
    • 2014-05-06
    • US13597862
    • 2012-08-29
    • Tsung-Han TsaiMing-Ta Chou
    • Tsung-Han TsaiMing-Ta Chou
    • G02B3/02
    • G02B13/18G02B13/0045G02B13/06G02B13/22
    • This invention provides an optical image lens system comprising: a positive first lens element having a convex object-side surface; a second lens element; a positive third lens element; a fourth lens element; a positive plastic fifth lens element having a convex object-side surface and a concave image-side surface, at least one of the object-side and image-side surfaces is aspheric; and a negative plastic sixth lens element having a concave image-side surface, at least one of the object-side and image-side surfaces is aspheric, wherein the shape of the image-side surface changes from concave at the paraxial region thereof to convex while away from the paraxial region thereof.
    • 本发明提供一种光学图像透镜系统,包括:具有凸形物体侧表面的正的第一透镜元件; 第二透镜元件; 正的第三透镜元件; 第四透镜元件; 具有凸面物侧表面和凹面像侧表面的正塑料第五透镜元件,物体侧和像侧表面中的至少一个是非球面的; 以及具有凹面像侧面的负塑料第六透镜元件,所述物侧和所述侧面中的至少一个是非球面,其中,所述像侧面的形状从其近轴区域的凹部变为凸状 而远离其近轴区域。