会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Focus detecting apparatus
    • 对焦检测装置
    • US5839001A
    • 1998-11-17
    • US777952
    • 1996-12-23
    • Keiji OhtakaYasuo SudaKeiji NagataKenichiro YamashitaTerutake KadoharaHitoshi Onoda
    • Keiji OhtakaYasuo SudaKeiji NagataKenichiro YamashitaTerutake KadoharaHitoshi Onoda
    • G02B7/28G03B13/36
    • G02B7/28
    • An apparatus which has a finder optical unit for observing therethrough an image formed by an objective lens, an optical unit for forming a pair of distributions of light quantity on the basis of light beams transmitted through the different pupils of the objective lens, a sensor unit for receiving the pair of distributions of light quantity, a main mirror disposed in an optical path leading to the objective lens and the optical unit for reflecting the light beam from the objective lens to the finder optical unit, and a reflecting mirror having a curved surface having its concave surface facing the light incidence side for reflecting the light beam transmitted through the main mirror in the direction of the optical unit which is opposite to the finder optical unit, and which well makes focus detection possible for a wide field area formed by the objective lens.
    • 一种具有用于观察由物镜形成的图像的取景器光学单元的装置,用于基于透过物镜的不同瞳孔的光束形成一对光量分布的光学单元,传感器单元 用于接收一对光量分布,设置在通向物镜的光路中的主镜和用于将来自物镜的光束反射到取景器光学单元的光学单元,以及具有弯曲表面的反射镜 使其凹面朝向光入射侧,用于反射在与取景器光学单元相对的光学单元的方向上透过主反射镜的光束,并且这很好地使焦点检测对于由 物镜。
    • 2. 发明授权
    • Focus detecting apparatus
    • 对焦检测装置
    • US5771413A
    • 1998-06-23
    • US773009
    • 1996-12-24
    • Yasuo SudaKeiji OhtakaKeiji NagataKenichiro YamashitaTerutake KadoharaHitoshi Onoda
    • Yasuo SudaKeiji OhtakaKeiji NagataKenichiro YamashitaTerutake KadoharaHitoshi Onoda
    • G03B13/36G02B7/28G02B7/34
    • G02B7/346
    • A focus detecting apparatus includes an optical unit provided on an image plane side of an objective lens for detecting a focus state of the objective lens, the optical unit forming a plurality of light quantity distributions, a photoelectrical changing unit having a plurality of elements for outputting a relative positional signal between the plurality of light quantity distributions, and a circuit for detecting a focus state of the objective lens. The optical unit includes a reflecting mirror having a light condensing property for reflecting a light beam from the objective lens to form an object image on a predetermined surface, a secondary imaging lens having at least a pair of lenses for causing the object image formed on the predetermined surface to be reimaged on the photoelectrical changing unit and a pair of apertures having aperture portions respectively corresponding to the pair of lenses. When the photoelectrical changing unit is reversedly projected by the secondary imaging lens and the reflecting mirror, the elements corresponding to the direction of arrangement of the pair of apertures of the photoelectrical changing unit are arranged so that a peripheral portion of the elements is not parallel to the center of the arrangement of the elements.
    • 焦点检测装置包括设置在用于检测物镜的聚焦状态的物镜的像面侧的光学单元,形成多个光量分布的光学单元,具有多个用于输出的元件的光电变化单元 多个光量分布之间的相对位置信号和用于检测物镜的聚焦状态的电路。 光学单元包括具有聚光性的反射镜,用于反射来自物镜的光束以在预定表面上形成物体图像,二次成像透镜具有至少一对透镜,用于使形成在物体上的物体图像 在光电变换单元上被重新成像的预定表面和分别对应于该对透镜的开口部分的一对孔。 当光电变换单元被二次成像透镜和反射镜反向投射时,与光电变换单元的一对孔的排列方向相对应的元件被布置成使得元件的周边部分不平行于 元素的安排的中心。
    • 4. 发明授权
    • Focus detecting apparatus
    • 对焦检测装置
    • US5864721A
    • 1999-01-26
    • US942044
    • 1997-10-01
    • Yasuo SudaKeiji OhtakaKeiji NagataKenichiro YamashitaTerutake KadoharaHitoshi Onoda
    • Yasuo SudaKeiji OhtakaKeiji NagataKenichiro YamashitaTerutake KadoharaHitoshi Onoda
    • G03B13/36G02B7/28G02B7/34G03B19/12
    • G02B7/34
    • There is disclosed a focus detecting apparatus capable of detecting the focus state of an objective lens in a wide viewing field, comprises a view finder optical unit for observing the image formed by the objective lens, an optical unit for forming a pair of optical amount distributions, based on light beams passing through different areas of the pupil of the objective lens, wherein the optical unit being provided, at the light incident side, with a concave face directed to the light incident side, and, at the light exit side, with a convex face directed to the light exit side, a sensor unit for received said pair of the optical amount distributions, a main mirror positioned in the optical path from the objective lens to the optical unit and adapted to reflect the light beams from the objective lens toward the finder optical unit, and a reflecting mirror having a concave curved face directed to the light entrance side and adapted to reflect the light beams, transmitted by the main mirror, in a direction opposite to the finder optical system and toward the optical unit.
    • 公开了一种能够在宽视野中检测物镜的聚焦状态的焦点检测装置,包括用于观察由物镜形成的图像的取景器光学单元,用于形成一对光量分布的光学单元 基于通过物镜的光瞳的不同区域的光束,其中光学单元在光入射侧具有指向光入射侧的凹面,并且在光出射侧具有 指向光出射侧的凸面,用于接收所述一对光量分布的传感器单元,位于从物镜到光学单元的光路中的主镜,其适于反射来自物镜的光束 朝向取景器光学单元,以及反射镜,其具有指向光入射侧的凹曲面,并且适于反射由主mirr传播的光束 或者在与取景器光学系统相反的方向上朝向光学单元。