公开(公告)号：AT319115T

公开(公告)日：2006-03-15

申请号：AT03009777

申请日：2003-05-08

Applicant: OLYMPUS CORP

Inventor： MIHARA SHINICHI

IPC: G02B13/04 ,  G02B15/177 ,  G02B17/00

Abstract: A zoom lens includes a most object-side lens unit (G1) remaining fixed on the optical axis when the magnification of the zoom lens is changed and a focusing operation is performed; a most image-side lens unit (G4,G5) remaining fixed when the focusing operation is performed; and a plurality of moving lens units (G2,G3) lying between the most object-side lens unit and the most image-side lens unit, moved along the optical axis when the magnification is changed. The most object-side lens unit (G1) includes, in order from the object side, a negative lens component (L1,1), a reflective optical component (R1) having a reflecting surface for bending the optical path, and a positive lens component (L1,2). The most image-side lens unit has at least one aspherical surface. An electronic imaging device includes an electronic image sensor located on the image side of the zoom lens.

公开(公告)号：EP1494053A4

公开(公告)日：2011-03-16

申请号：EP03715536

申请日：2003-03-27

Applicant: OLYMPUS CORP

Inventor： MIHARA SHINICHI ,  KONISHI HIROKAZU ,  WATANABE MASAHITO ,  ISHII ATSUJIRO ,  TAKEYAMA TETSUHIDE ,  IMAMURA AYAMI ,  HANZAWA TOYOHARU

IPC: G02B13/18 ,  G02B15/167 ,  G02B15/177 ,  G02B15/20

CPC classification number: G02B15/177 ,  G02B5/04

公开(公告)号：EP1494054A4

公开(公告)日：2009-01-07

申请号：EP03715538

申请日：2003-03-27

Applicant: OLYMPUS CORP

Inventor： MIHARA SHINICHI ,  NOZAWA TOSHIHIDE

IPC: G02B15/173 ,  G02B15/177 ,  G02B15/20 ,  G02B13/18

CPC classification number: G02B13/18 ,  G02B13/0065 ,  G02B13/009 ,  G02B15/173 ,  G02B15/177 ,  G02B26/0825 ,  G02B27/646

Abstract: A zoom lens which is so easily constructed as to bend an optical path and has a high zoom ratio, wide angle of view, small F value, very small aberration, high optical specification/performance, and which comprises a first lens group (G1) fixed at power varying, a second lens group (G2) having a negative refractive power and moving at power varying, a third lens group (G3) having a positive refractive power and moving at power varying, and a fourth lens group (G4) having a positive refractive power and moving at power varying and during focusing, wherein the first lens group (G1) comprises a negative meniscus lens having its convex facing an object, a reflection optical element (P) for bending an optical path, and a positive lens, and the moving path of the fourth lens group (G4) is in a opposite direction to the moving at power varying of the third lens group (G3) at infinity object point focusing.

公开(公告)号：JP2011141548A

公开(公告)日：2011-07-21

申请号：JP2011007729

申请日：2011-01-18

Applicant: Olympus Corp ,  オリンパス株式会社

Inventor： UZAWA TSUTOMU ,  KOBAYASHI YUKO ,  MIHARA SHINICHI

IPC: G02B15/20 ,  G02B13/18 ,  H04N5/225

Abstract: PROBLEM TO BE SOLVED: To provide a zoom lens having a wide angle and a high variable power ratio, and which is bright, such that an F value at a wide angle end is about 2.0 to 2.8, and to provide an imaging apparatus that uses the lens. SOLUTION: The zoom lens includes a first group being movable along an optical axis, when varying power and having positive refractive power; a second group moving to an image side along the optical axis, when varying power from the wide angle end to a telephoto end and having negative refractive power; and at least two rear groups having an interval being variable when varying power, in the order, from an object side; the first group moves, while a reciprocating locus projecting is drawn on the image side; and when the moving amount from the wide angle end to the telephoto end of the first group, when focusing on an infinity object point, is defined as Δ z1 and the moving amount from the wide angle end to the telephoto end of the second group, when focusing on the infinity object point is defined as Δ z2 , the zoom lens satisfies conditions: 3 z2 -Δz1/L z1 /Δ z2 z2 >0), where image-side movement is positive and L is the diagonal length of an effective imaging surface disposed in the vicinity of an image forming surface. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：为了提供具有广角和高可变功率比的变焦透镜，并且是明亮的，使得广角端的F值为大约2.0至2.8，并且提供成像 使用镜头的设备。 解决方案：变焦镜头包括：第一组，当变化动力并具有正的屈光力时，其可以沿着光轴移动; 当从广角端到望远端改变功率并具有负折射力时，第二组沿着光轴移动到图像侧; 并且至少两个后组，其具有在从物体侧起依次改变动力时的间隔可变的; 第一组移动，而在图像侧绘制往复轨迹投影; 并且当从聚焦于无限远物体点的第一组的广角端到远摄端的移动量被定义为Δ z1 ，并且从广角端到 第二组的长焦端，当聚焦在无限远物体点上时，被定义为Δ z2 ，变焦镜头满足条件：3 <Δ z2 -Δz1/ L <9 和-1.0 <Δ z1 /Δ z2 <0.5（ΔSB> z2 > 0），其中图像侧运动为正，L为 设置在图像形成表面附近的有效成像表面的对角线长度。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011123514A

公开(公告)日：2011-06-23

申请号：JP2011007727

申请日：2011-01-18

Applicant: Olympus Corp ,  オリンパス株式会社

Inventor： UZAWA TSUTOMU ,  KOBAYASHI YUKO ,  MIHARA SHINICHI

IPC: G02B15/20 ,  G02B13/18

Abstract: PROBLEM TO BE SOLVED: To provide a zoom lens having a wide angle and a high variable power ratio, which is bright such that an F value at a wide angle end is about 2.0 to 2.8. SOLUTION: The zoom lens includes, in order from an object side, a first group G1 movable along an optical axis when varying power and having positive refractive power, a second group G2 moving to an image side along the optical axis when varying power from the wide angle end to a telephoto end and having negative refractive power, and a rear group having at least two movable sub groups. The first group G1 moves while drawing a reciprocating locus projecting to the image side, and a moving amount Δz 1WM from the wide angle end to an intermediate focal length f M (=√(f W ×f T )) of the first group G1 when focused on an infinity object point is positive. Provided that movement to the image side is positive. Then, f W is the composite focal length of an entire system when focused on the infinity object point at the wide angle end, and f T is the composite focal length of the entire system when focused on the infinity object point at the telephoto end. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：为了提供具有广角和高可变功率比的变焦透镜，其是明亮的，使得广角端的F值为大约2.0至2.8。 解决方案：变焦透镜从对象侧依次包括：当变化光焦度并具有正折光力时可沿着光轴移动的第一组G1，当第二组G2变化时沿着光轴移动到图像侧 从广角端到长焦端并具有负屈光力的功率，以及具有至少两个可移动子组的后组。 第一组G1在绘制向图像侧投影的往复轨迹的同时移动，并且从广角端到中间焦距f（SB）的移动量Δz 1WM （= 当聚焦在无限远物体点上时，第一组G1的偏差（f W ×f T ））为正。 只要到图像侧的运动是正的。 然后，f W 是当在广角端聚焦在无穷远物体点时整个系统的复合焦距，并且f T 是复合焦距 整个系统集中在远摄端的无限远物体点。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2009122682A

公开(公告)日：2009-06-04

申请号：JP2008303575

申请日：2008-11-28

Applicant: Olympus Corp ,  オリンパス株式会社

Inventor： MIHARA SHINICHI ,  NOZAWA TOSHIHIDE

IPC: G02B15/20 ,  G02B13/18

Abstract: PROBLEM TO BE SOLVED: To provide a zoom lens which easily has configuration to bend an optical path, and which has high optical specification performance such as a high zoom ratio, a wide angle of view, a small F value, and less aberration. SOLUTION: The zoom lens comprises, in order from an object side, a lens group A (G1) including a negative lens and a reflection optical element for bending the optical path and fixed when varying power, a lens group B (G2) moving only in one direction when varying power from a wide angle end to a telephoto end, an aperture stop S positionally immovable when varying power, a lens group C (G3) and a lens group D (G4). The lens group A has negative refractive power, the lens group B has positive refractive power, the lens group C has negative refractive power, and the lens group D has positive refractive power. The lens group A comprises a sub group A1 having a negative meniscus lens having a convex surface on the object side, the reflection optical element P for bending the optical path and a sub group A2 including at least a positive lens. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 解决的问题：为了提供一种变形透镜，其容易地具有弯曲光路的构造，并且具有高的光学规格性能，例如高变焦比，宽视角，小F值和更小的变焦透镜 像差 解决方案：变焦透镜从对象侧依次包括具有负透镜和用于弯曲光路并在变化时固定的反射光学元件的透镜组A（G1），透镜组B（G2 ）在从广角端到远摄端的功率变化时，仅在一个方向上移动，当变焦时位置不可移动的孔径光阑S，透镜组C（G3）和透镜组D（G4）。 透镜组A具有负屈光力，透镜组B具有正折光力，透镜组C具有负折光力，透镜组D具有正折光力。 透镜组A包括具有在物体侧具有凸面的负弯月形透镜的子组A1，用于弯曲光路的反射光学元件P和至少包括正透镜的子组A2。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2007264655A

公开(公告)日：2007-10-11

申请号：JP2007162588

申请日：2007-06-20

Applicant: Olympus Corp ,  オリンパス株式会社

Inventor： MIHARA SHINICHI ,  HOZUMI TSUNAKI ,  UZAWA TSUTOMU ,  HORIE TAKUJI ,  SUZUKI MASAHIRO ,  MIYAUCHI YUJI ,  GOTO HISASHI

IPC: G02B13/00 ,  G02B13/18 ,  G03B7/28 ,  G03B11/00 ,  H04N9/07

Abstract: PROBLEM TO BE SOLVED: To provide an electronic imaging apparatus capable of reproducing an excellent image where color flare is reduced to a wide natural subject through simple constitution. SOLUTION: The electronic imaging apparatus is equipped with: an electronic imaging device which converts and outputs an image received by a plurality of pixels having three or more different spectral characteristics for obtaining a color image into an electric signal including information on luminance and color; an imaging optical system which forms a subject image on the imaging surface of the electronic imaging device; a high luminance difference boundary part detection means which detects a boundary part where a luminance difference between the adjacent fixed pixels of the electronic imaging device is equal to or above a fixed level; and a signal processing means which adjusts the electric signal so that color flare caused by chromatic aberration near the boundary part may be decreased. When it is assumed that a minimum pixel pitch is P, a minimum F value is Fmin, the absolute value of the spherical aberration amount of a marginal light beam whose wavelength is 404.7 nm at the minimum F value is Lh, and the absolute value of the spherical aberration amount of a marginal light beam whose wavelength is 587.56 nm at the minimum F value is Ld, they satisfy an expression (1): (Lh-Ld)/Fmin≥2P. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种电子成像装置，其能够通过简单的结构将彩色耀斑减少到广阔的自然对象的优异图像。 解决方案：电子成像装置配备有：电子成像装置，其将由具有三个或更多个不同光谱特性的多个像素接收的图像转换并输出，以获得彩色图像到包括关于亮度的信息的电信号，以及 颜色; 成像光学系统，其在所述电子成像装置的成像表面上形成对象图像; 高亮度差分边界部分检测装置，其检测电子成像装置的相邻固定像素之间的亮度差等于或高于固定电平的边界部分; 以及信号处理装置，其调节电信号，使得可能减少由边界部分附近的色差引起的色彩闪耀。 当假设最小像素间距为P时，最小F值为Fmin，最小F值的波长为404.7nm的边缘光束的球面像差量的绝对值为Lh，绝对值 波长为587.56nm的最小F值的边缘光束的球面像差量为Ld，满足式（1）：（Lh-Ld）/Fmin≥2P。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006115117A

公开(公告)日：2006-04-27

申请号：JP2004299199

申请日：2004-10-13

Applicant: Olympus Corp ,  オリンパス株式会社

Inventor： WATANABE NOBUYUKI ,  NAMIKATA HIROYUKI ,  MIHARA SHINICHI ,  SHIRATANI FUMIYUKI ,  IYAMA NORIYUKI

IPC: H04N5/228 ,  G02B13/18 ,  G02B15/163 ,  G02B15/167 ,  H04N5/232

CPC classification number: H04N5/2628 ,  G02B7/102 ,  H04N5/23296 ,  H04N2209/045

Abstract: PROBLEM TO BE SOLVED: To optimize the configuration of an optical zoom in an imaging apparatus having a magnification zoom function by the combination of an electronic zoom and an optical zoom. SOLUTION: The imaging apparatus has the function of the optical zoom for converting optically the scale factor of an image, and a function of electronic zoom for changing the size of the image by processing an electric signal. The function of the electronic zoom operates at least in the state that the optical zoom is not in the setting of looking far edge. It considers as the modulus of a comprehensive magnification zoom with the magnification zoom by the optical zoom and the magnification zoom by the electronic zoom. With the number s1 of the electronic image pickup device, the number s2 of the pixel of rectangles which includes on the image pickup device used in the electronic zoom, and the number s3 of the pixels of the outputs, satisfy s1≥s2>s3 or s1>s2≥s3. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：通过电子变焦和光学变焦的组合来优化具有放大倍率变焦功能的成像装置中的光学变焦的配置。 解决方案：成像装置具有光学变焦功能，用于光学转换图像的比例因子，以及通过处理电信号来改变图像的尺寸的电子变焦功能。 电子变焦的功能至少在光学变焦不处于远远的边缘的状态下工作。 它被认为是通过光学变焦放大缩放和通过电子变焦进行放大倍率的综合倍率变焦的模数。 利用电子摄像装置的数量s1，包括在电子变焦中使用的图像拾取装置上的矩形像素的数量s2和输出的像素的数量s3满足s1≥s2> s3或 S1>s2≥s3。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2006093856A

公开(公告)日：2006-04-06

申请号：JP2004273747

申请日：2004-09-21

Applicant: Olympus Corp ,  オリンパス株式会社

Inventor： SHIRATANI FUMIYUKI ,  NAMIKATA HIROYUKI ,  IYAMA NORIYUKI ,  WATANABE NOBUYUKI ,  MIHARA SHINICHI

IPC: H04N5/228 ,  H04N5/225

CPC classification number: H04N9/045 ,  H04N5/2259 ,  H04N5/3454 ,  H04N2209/046

Abstract: PROBLEM TO BE SOLVED: To focus a main object that is zoomed by an electronic zoom, and to correct even a geometrical distortion even if the image of the main object is formed at a region deviating from the center of an imager. SOLUTION: An imaging apparatus comprises the imager 102 for acquiring an object image as pixel data by photoelectric conversion; a read region setting means 104 for setting a region for reading image data from the imager 102; an image conversion recording display unit 103 for reading image data at the read region for each block; an imaging surface optimum position calculating means 106 for calculating an optimum position for imaging according to the position and size of the read region; and an inclination adjustment mechanism 107 for driving the imaging surface of the imager 102 to the calculated optimum position. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了聚焦通过电子变焦放大的主要对象，并且即使在偏离成像器的中心的区域形成主要对象的图像也能校正甚至几何失真。 解决方案：成像装置包括：通过光电转换获取对象图像作为像素数据的成像器102; 用于设置用于从成像器102读取图像数据的区域的读取区域设置装置104; 图像转换记录显示单元103，用于在每个块的读取区域读取图像数据; 成像表面最佳位置计算装置106，用于根据读取区域的位置和大小计算用于成像的最佳位置; 以及用于将成像器102的成像表面驱动到计算出的最佳位置的倾斜调节机构107。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005077825A

公开(公告)日：2005-03-24

申请号：JP2003308900

申请日：2003-09-01

Applicant: Olympus Corp ,  オリンパス株式会社

Inventor： MIHARA SHINICHI

IPC: G02B15/167

CPC classification number: G02B15/177

Abstract: PROBLEM TO BE SOLVED: To provide an image pickup device which has a thin profile with an extremely short depth and which has the ability of adjusting light quantity in a wide area.
SOLUTION: This image pickup device is equipped with an image forming optical system and an optical device that is arranged on the image side of the image forming optical system. The optical device is provided with a substance C whose optical properties vary by electric control, transparent conductive films ITOs which are installed at both ends of the substance, and supporting layers S1, S2 or an adhesive layer S which are(is) adjacent to the transparent conductive film. Between the transparent conductive film and the supporting layers or between the transparent conductive film and the adhesive layer, there is installed an antireflection coat AR.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 解决的问题：提供一种图像拾取装置，其具有非常短的深度的薄型，并且能够在大范围内调节光量。 解决方案：该摄像装置配备有成像光学系统和配置在图像形成光学系统的像侧的光学装置。 该光学元件具有物理C，其光学特性随着电气控制而变化，安装在该物质两端的透明导电膜ITO以及与该物质相邻的支撑层S1，S2或粘合剂层S 透明导电膜。 在透明导电膜和支撑层之间或透明导电膜和粘合剂层之间，安装有抗反射涂层AR。 版权所有（C）2005，JPO＆NCIPI