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公开(公告)号:US4867136A
公开(公告)日:1989-09-19
申请号:US183223
申请日:1988-04-19
申请人: Akira Suzuki , Susumu Takahashi , Takeaki Nakamura , Tatsuya Yamaguchi , Takashi Tsukaya , Tsutomu Yamamoto , Masanao Murata , Kazunari Kobayashi , Yoshikazu Tojo , Kenichi Kikuchi , Koji Kanbara , Yoshihito Shimizu , Akira Hasegawa , Shinichiro Hattori , Iwao Kanamori , Akira Yokota , Kimihiko Nishioka , Minoru Okabe , Katsuyuki Kanehira , Nobuo Yamashita , Masayoshi Naito , Tomoaki Sato , Koichi Matsui , Kenji Hirooka , Hiroki Hibino
发明人: Akira Suzuki , Susumu Takahashi , Takeaki Nakamura , Tatsuya Yamaguchi , Takashi Tsukaya , Tsutomu Yamamoto , Masanao Murata , Kazunari Kobayashi , Yoshikazu Tojo , Kenichi Kikuchi , Koji Kanbara , Yoshihito Shimizu , Akira Hasegawa , Shinichiro Hattori , Iwao Kanamori , Akira Yokota , Kimihiko Nishioka , Minoru Okabe , Katsuyuki Kanehira , Nobuo Yamashita , Masayoshi Naito , Tomoaki Sato , Koichi Matsui , Kenji Hirooka , Hiroki Hibino
CPC分类号: G02B6/32 , A61B1/0008 , A61B1/00096 , A61B1/00165 , G02B6/065
摘要: An endoscope apparatus for inspecting an object including an insertion section insertable into the object and having a distal end and a proximal end, an image guide arranged within the insertion section and having entrance and exit ends arranged at the distal and proximal ends of insertion section, respectively, an objective lens system arranged at the distal end of insertion section for forming an optical image of the object onto the entrance end of image guide, an eyepiece lens system arranged at the proximal end of insertion section for projecting the optical image transmitted through the image guide onto an observating position, a first piezo-electric bimorph arranged at the distal end of insertion section for vibrating the entrance end of image guide in a direction perpendicular to a longitudinal axis of the insertion section over a given distance, a second piezo-electric element arranged at the proximal end of insertion section for vibrating the exit end of image guide in the same direction and over the same distance as those of the entrance end of image guide, so that annoying black mesh and Moire fringe are removed.
摘要翻译: 一种用于检查物体的内窥镜装置,所述内窥镜装置包括可插入到所述物体中并且具有远端和近端的插入部分,布置在所述插入部分内并具有设置在插入部分的远端和近端处的入射和出射端的图像引导件, 分别设置在插入部分的远端处用于将物体的光学图像形成在图像引导件的入口端上的物镜系统,布置在插入部分的近端的目镜透镜系统,用于投影通过 图像引导件到观察位置,布置在插入部分的远端处的第一压电双压电晶片,用于使图像引导件的入口端在垂直于插入部分的纵向轴线的方向上振动给定距离;第二压电元件, 电气元件布置在插入部分的近端处,用于振动制版中的图像引导件的出口端 e方向和与图像引导入口端相同的距离,从而消除烦人的黑色网格和莫尔条纹。
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公开(公告)号:US4824205A
公开(公告)日:1989-04-25
申请号:US94739
申请日:1987-09-09
CPC分类号: A61B1/00096 , A61B1/05 , G02B23/2407 , G02B26/0883 , G02B6/065 , H04N5/2253 , H04N5/2254 , H04N5/2259 , H04N2005/2255
摘要: An image forming optical system designed in simple composition and capable of providing images of high quality, said optical system comprising a prism system including at least a pair of a first prism arranged on the optical axis between an objective lens and an incident end face of an image guide or solid-state image sensor and having an emerging face inclined relative to the optical axis and a second prism having an incident surface inclined relative to the optical axis, and so adapted as to vibrate at least one of said first and second prisms in the direction of the optical axis by a piezoelectric element type of actuator. Said image forming optical system is so composed as to be suited for use with fiber scopes, electronic fiber scopes or display scopes.
摘要翻译: 一种成像光学系统,其设计简单,能够提供高质量的图像,所述光学系统包括棱镜系统,该棱镜系统包括至少一对布置在物镜和物镜的入射端面之间的光轴上的第一棱镜 图像引导件或固态图像传感器,并且具有相对于光轴倾斜的出射面和具有相对于光轴倾斜的入射表面的第二棱镜,并且适于使所述第一和第二棱镜中的至少一个振动 光轴的方向由压电元件类型的致动器。 所述图像形成光学系统被构造成适用于光纤示波器,电子光纤示波器或显示示波器。
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公开(公告)号:US4467361A
公开(公告)日:1984-08-21
申请号:US406486
申请日:1982-08-09
申请人: Kunio Ohno , Kimihiko Nishioka , Nobuo Yamashita , Susumu Takahashi , Akihiro Namba , Takashi Mizusaki , Toshimasa Akagi , Masaru Iino
发明人: Kunio Ohno , Kimihiko Nishioka , Nobuo Yamashita , Susumu Takahashi , Akihiro Namba , Takashi Mizusaki , Toshimasa Akagi , Masaru Iino
CPC分类号: H04N5/30 , G02B23/243 , G02B27/0025 , H04N5/2253 , H04N2005/2255
摘要: An apparatus for picking-up an image of an object including a solid state image sensor having a number of image sensing elements and an objective lens for projecting the image of the object onto the image sensor is disclosed. In order to remove a curvature of field of the objective lens, the image sensor is curved into a spherical shape having a radius of curvature equal to that of the curvature of field. The solid state image sensor may be curved in any desired shape to correct various aberrations of the objective lens.
摘要翻译: 公开了一种用于拾取包括具有多个图像感测元件的固态图像传感器和用于将该物体的图像投影到图像传感器上的物镜的物体的图像的设备。 为了去除物镜的曲率,图像传感器被弯曲成具有等于曲率半径的曲率半径的球形。 固态图像传感器可以以任何期望的形状弯曲,以校正物镜的各种像差。
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公开(公告)号:US4684224A
公开(公告)日:1987-08-04
申请号:US550206
申请日:1983-11-09
申请人: Nobuo Yamashita , Susumu Takahashi
发明人: Nobuo Yamashita , Susumu Takahashi
CPC分类号: G02B17/04 , G02B23/2423 , G02B23/26
摘要: A field of view direction changing optical system comprising an incident face intersecting at right angles with the optical axis of the light from the observation field of view forming an angle .theta. with respect to an optical axis of an image transmitting optical system, a first reflecting face forming an angle .theta./2 with respect to said incident face and a prism having a second reflecting face parallel to said incident face or coincident with it, in order to prevent the occurrence of astigmatism and to enable that the positioning adjustment at assemblage can be done easily. On the second reflecting face a parallel plane glass is secured and on said parallel plane glass a plano-concave lens aligned to said optical axis forming an angle .theta. with respect to the optical axis of the image transmitting optical axis may be secured.
摘要翻译: 一种视野方向改变光学系统,包括与来自观察视场的光的光轴相交的入射面相对于图像传输光学系统的光轴形成角度θ;第一反射面 形成相对于所述入射面的角度θ/ 2和具有与所述入射面平行或与其重合的第二反射面的棱镜,以便防止散光的发生,并且能够进行组装时的定位调节 容易。 在第二反射面上固定平行平面玻璃,并且在所述平行平面玻璃上可以确保相对于图像透射光轴的光轴形成角度θ的与所述光轴对准的平凹透镜。
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公开(公告)号:US08070304B2
公开(公告)日:2011-12-06
申请号:US11813462
申请日:2006-01-13
IPC分类号: G02B27/00
CPC分类号: G02B7/022 , G02B5/005 , G02B13/003
摘要: A lens unit including a first lens including a first lens section having a first optical axis along which light passes, and a second lens. The second lens includes a second lens section having a second optical axis along which light passes, and a flange provided at the outer circumferential part of the second lens section and having a surface opposed to the first lens, and a tubular section extending from the flange in the direction of the second optical axis and having an inner side face opposed to the second lens section. The first lens is fitted in the tubular section and in contact with the inner side face of the tubular section of the second lens. The tubular section of the second lens has a plurality of protrusions protruding in the direction of the second optical axis and a plurality of valleys provided between the protrusions.
摘要翻译: 一种透镜单元,包括具有第一透镜部分的第一透镜,所述第一透镜部分具有光通过的第一光轴和第二透镜。 第二透镜包括具有光通过的第二光轴的第二透镜部分和设置在第二透镜部分的外圆周部分并具有与第一透镜相对的表面的凸缘,以及从凸缘延伸的管状部分 在第二光轴的方向上具有与第二透镜部相对的内侧面。 第一透镜安装在管状部分中并与第二透镜的管状部分的内侧面接触。 第二透镜的管状部分具有沿着第二光轴的方向突出的多个突起和设置在突起之间的多个谷。
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公开(公告)号:US4415240A
公开(公告)日:1983-11-15
申请号:US171759
申请日:1980-07-24
申请人: Kimihiko Nishioka , Nobuo Yamashita
发明人: Kimihiko Nishioka , Nobuo Yamashita
CPC分类号: A61B1/00096 , A61B1/07 , G02B23/2469
摘要: An illumination optical system for an endoscope in which, by arranging a cylindrical reflection member between a light guide and a lens system, a distribution curve of luminous intensity is improved with the effective utilization of illumination light and yet the formation of the image of the light guide end face on the object surface is obviated, thereby enabling attainment of a uniform illumination over the object surface.
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公开(公告)号:US4029397A
公开(公告)日:1977-06-14
申请号:US452670
申请日:1974-03-19
申请人: Nobuo Yamashita
发明人: Nobuo Yamashita
摘要: A retrofocus-type wide-angle photographic lens system having a predetermined airspace in said lens system and arranged to be focused on an object at a short distance and, at the same time, to prevent aggravation of aberrations by moving a rear lens group positioned on the image side of said airspace toward a front lens group positioned on the object side of said airspace.
摘要翻译: 一种在所述透镜系统中具有预定空域并被布置为在短距离上聚焦在物体上并且同时通过移动位于其上的后透镜组来防止像差加重的后焦距型广角摄影透镜系统 所述空气空间的图像侧朝向位于所述空域的物体侧的前透镜组。
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公开(公告)号:US4596449A
公开(公告)日:1986-06-24
申请号:US560989
申请日:1983-12-13
IPC分类号: G02B7/10
CPC分类号: G02B7/10
摘要: A zoom lens apparatus comprising a moving construction for moving a zoom-ratio adjusting barrel composed of a variator-lens amount and a compensator-lens mount by the rotation along the direction of the optical axis within the fixed barrel; a stepping motor, which is coupled to the moving construction is composed of a rotor having a hollow portion as a light path including the optical axis and a stator to be combined with the rotor, and reversibly rotates in accordance with the pulse signal to be applied; and a circuit means for controlling the operation of the stepping motor with providing advantages and that the reduction gear and clutch mechanism are not required, the outer shape is kept cylindrical, but is not required bigger in size and the price can be made lower.
摘要翻译: 一种变焦透镜装置,包括:移动构造,用于通过沿着固定筒内的光轴方向的旋转来移动由变倍透镜量组成的变焦倍率调节筒和补偿透镜座; 耦合到移动结构的步进电机由具有作为包括光轴的光路的中空部分和与转子组合的定子的转子构成,并且根据要施加的脉冲信号可逆地旋转 ; 以及用于控制步进电动机的操作的电路装置,并且不需要减速齿轮和离合器机构,外形保持为圆柱形,但不需要尺寸更大,并且可以降低价格。
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公开(公告)号:US4340811A
公开(公告)日:1982-07-20
申请号:US126661
申请日:1980-03-03
CPC分类号: A61B1/002 , G02B23/2407 , G02B7/36
摘要: A focusing method for use in an optical system and a focusing apparatus used therefor employ an illumination unit. The method comprises effecting photometry of light reflected from an object which is to be observed and which is illuminated only by light from the illumination unit, and causing a movement of the optical system to focus it, the magnitude of the movement being determined by the amount of light measured by the photometric operation.
摘要翻译: 用于光学系统的聚焦方法及其使用的聚焦装置采用照明单元。 该方法包括对从待观察物体反射的光进行光度测量,并且仅由来自照明单元的光照射,并引起光学系统对其进行聚焦的移动,移动的幅度由量 的光测量。
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公开(公告)号:US4294511A
公开(公告)日:1981-10-13
申请号:US55035
申请日:1979-07-05
申请人: Nobuo Yamashita , Miwako Maeda
发明人: Nobuo Yamashita , Miwako Maeda
IPC分类号: G02B23/26 , G02B3/00 , G02B6/06 , G02B6/26 , G02B6/32 , G02B6/36 , G02B6/42 , G02B9/04 , G02B9/06 , G02B23/24 , G02B5/16
CPC分类号: G02B3/00 , G02B23/243 , G02B23/2469 , G02B6/06 , G02B6/262 , G02B6/264 , G02B6/32
摘要: An optical system for connecting a first light guide to a second light guide in such a manner that the rays emerging from said first light guide are incident on said second light guide. Said optical system is so adapted as to assure favorable angular distribution characteristic and plane luminous intensity distribution by arranging the emerging end surface of said first light guide in the vicinity of the front focal point of said optical system and the end surface of incidence of said second light guide in the vicinity of the rear focal point of said optical system respectively.
摘要翻译: 一种光学系统,用于将第一导光体与第二导光体连接,使得从所述第一导光体射出的射线入射到所述第二导光体上。 所述光学系统适于通过将所述第一光导的出现的端面布置在所述光学系统的前焦点附近,并且将所述第二光导的端面的入射面布置在所述光学系统的入射面上,以确保有利的角分布特性和平面发光强度分布 分别在所述光学系统的后焦点附近的光导。
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