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公开(公告)号：US4746203A
公开(公告)日：1988-05-24
申请号：US96344
申请日：1987-09-11
CPC分类号： H04N5/2253 , A61B1/05 , G02B17/02 , G02B23/2423 , H04N2005/2255
摘要： An optical system is disclosed for an endoscope having a generally tubular distal end in which an objective lens assembly and an image sensor in the form of a solid-state video camera are internally housed so that an image formed by the lens assembly is focussed upon the input or pickup surface of the video camera. The video camera is disposed along or in proximity to the center axis of the distal end of the endoscope and in some instances is oblique with respect to the center axis. The video camera may be positioned in this way due to the provision of a reflecting surface which is angularly disposed in opposing relationship with an input surface of the video camera, and deflection means disposed in front of the lens assembly and within the objective lens assembly, or between the lens assembly and the reflecting surface so that an image formed by the lens assembly can be focussed on the input surface of the video camera.
摘要翻译： 公开了一种用于内窥镜的光学系统，其具有大致管状的远端，其中物镜组件和固态摄像机形式的图像传感器在内部被容纳，使得由透镜组件形成的图像聚焦在 输入或摄像机表面。 视频摄像机沿着或靠近内窥镜的远端的中心轴设置，并且在一些情况下相对于中心轴线倾斜。 由于提供了与摄像机的输入表面成对角关系地设置的反射表面以及设置在透镜组件前面和物镜组件内的偏转装置，摄像机可以以这种方式定位， 或者在透镜组件和反射表面之间，使得由透镜组件形成的图像可以聚焦在摄像机的输入表面上。
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公开(公告)号：US4720178A
公开(公告)日：1988-01-19
申请号：US765355
申请日：1985-08-13
IPC分类号： A61B1/04 , A61B1/05 , G02B17/02 , G02B23/24 , G02B23/26 , H04N5/225 , G02B5/04 , G02B5/22 , G02B5/30
CPC分类号： A61B1/051 , A61B1/05 , G02B17/02 , G02B23/2423 , H04N5/2253 , H04N2005/2255
摘要： An optical system is disclosed for an endoscope having a generally tubular distal end in which an objective lens assembly and a solid-state video camera are internally housed so that an image formed by the lens assembly is focussed upon the video camera. The video camera is disposed along or in proximity to the center axis of the distal end of the endoscope. The video camera may be positioned in this way due to the provision of a reflecting surface which is angularly disposed in opposing relationship with an input surface of the video camera, and deflection means disposed in front of the lens assembly and within the objective lens assembly, or between the lens assembly and the reflecting surface, so that an image formed by the lens assembly can be focussed on the input surface of the video camera.
摘要翻译： 公开了一种具有大致管状远端的内窥镜的光学系统，其中物镜组件和固态摄像机在内部被容纳，使得由透镜组件形成的图像聚焦在摄像机上。 摄像机沿内窥镜的远端的中心轴线配置或配置在内窥镜的前端的中心轴上。 由于提供了与摄像机的输入表面成对角关系地设置的反射表面以及设置在透镜组件前面和物镜组件内的偏转装置，摄像机可以以这种方式定位， 或者在透镜组件和反射表面之间，使得由透镜组件形成的图像可以聚焦在摄像机的输入表面上。
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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：US4674844A
公开(公告)日：1987-06-23
申请号：US758417
申请日：1985-07-24
CPC分类号： G02B9/34 , G02B23/243 , G02B9/60
摘要： An objective lens system for an endoscope comprises a first lens component having a negative refracting power, a second lens component having a positive refracting power, a third lens component having a positive refracting power and a fourth lens component involving a meniscus lens having its concave surface facing the object side, with the lens system being such that the total length is short, the outside diameter is small, the angle of view is wide, and the illuminance in the peripheral portion of the image field is high.
摘要翻译： 一种用于内窥镜的物镜系统，包括具有负折射力的第一透镜部件，具有正折射力的第二透镜部件，具有正折射率的第三透镜部件和包括其凹面的弯月透镜的第四透镜部件 面对物体侧，透镜系统的总长度短，外径小，视角宽，图像周边部的照度高。
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公开(公告)号：US4867546A
公开(公告)日：1989-09-19
申请号：US170703
申请日：1988-03-14
申请人： Kimihiko Nishioka , Kikumi Tojo , Akira Yokota
发明人： Kimihiko Nishioka , Kikumi Tojo , Akira Yokota
CPC分类号： G02B23/243 , G02B13/06
摘要： An objective lens system for an endoscope comprising a front lens unit, a stop, and a rear lens unit wherein the front lens unit comprises a lens component arranged that the surface on the object side thereof is formed as an aspherical surface having portions whose curvature is made gradually stronger as they are farther from the optical axis or a lens component arranged that the surface on the image side thereof is formed as an aspherical surface having portions whose curvature is made gradually weaker as they are farther from the optical axis, and the rear lens unit comprises a lens component arranged that the surface on the image side thereof is formed as an aspherical surface having portions whose curvature is made gradually stronger as they are farther from the optical axis or a lens component arranged that the surface on the object side thereof is formed as an aspherical surface having portions whose curvature is made gradually weaker as they are farther from the optical axis, the objective lens system for an endoscope being arranged that distortion and curvature of field are corrected favorably.
摘要翻译： 一种用于内窥镜的物镜系统，其包括前透镜单元，止挡件和后透镜单元，其中，所述前透镜单元包括透镜部件，所述透镜部件布置成使得物体侧的表面形成为非球面，所述非球面具有曲率为 随着它们离开光轴更远，或者使得其像侧的表面形成为非球面的透镜部件，其具有随着其远离光轴而使曲率逐渐变弱的部分的非球面，并且后 透镜单元包括透镜部件，其布置成使得其像侧上的表面形成为非球面，该非球面表面的曲率随着离开光轴的距离逐渐变强，或者透镜部件被布置为使得其物体侧的表面 形成为具有其曲率逐渐变弱的部分的非球面，因为它们离光轴更远 e用于内窥镜的物镜系统被布置成有利地校正畸变和曲率。
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公开(公告)号：US4806001A
公开(公告)日：1989-02-21
申请号：US7941
申请日：1987-01-28
申请人： Minoru Okabe , Akira Yokota , Kimihiko Nishioka
发明人： Minoru Okabe , Akira Yokota , Kimihiko Nishioka
CPC分类号： G02B13/22 , G02B23/243 , G02B9/60 , G02B9/62
摘要： An objective for an endoscope comprising, in the order from the object side, a first lens unit I having negative refractive power, a second lens unit II having positive refractive power, a third lens unit III having positive refractive power, an aperture stop S arranged between the front end of the second lens unit and rear end of the third lens unit and a fourth lens group IV comprising a lens component which has a concave surface on the object side, the four unit objective for an endoscope being arranged so that the overall length is short, outer diameter of the objective is small, angle of view is wide, intensity of light in the marginal portion is high, and distortion is corrected favourably.
摘要翻译： 内窥镜的目的在于，从物体侧开始，具有负屈光力的第一透镜单元I，具有正屈光力的第二透镜单元II，具有正屈光力的第三透镜单元III，配置有孔径光阑S 在第二透镜单元的前端和第三透镜单元的后端之间以及包括在物体侧具有凹面的透镜部件的第四透镜组IV，内窥镜的四个单元物镜被布置成使得整体 长度短，物镜外径小，视角宽，边缘部分光强度高，失真矫正良好。
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7.发明授权Imaging apparatus having electrooptic devices which comprise a variable focal length lens 失效具有电光装置的成像装置包括可变焦距透镜
公开(公告)号：US5071229A
公开(公告)日：1991-12-10
申请号：US390402
申请日：1989-08-07
申请人： Yoshinao Oaki , Susumu Takahashi , Akira Takano , Hirofumi Miyanaga , Hisanari Simazu , Kimihiko Nishioka , Akitoshi Toda , Yoshisada Aoki , Masaru Shiraiwa , Akira Taniguchi
发明人： Yoshinao Oaki , Susumu Takahashi , Akira Takano , Hirofumi Miyanaga , Hisanari Simazu , Kimihiko Nishioka , Akitoshi Toda , Yoshisada Aoki , Masaru Shiraiwa , Akira Taniguchi
IPC分类号： G02B3/14 , G02F1/1345 , G02F1/1347 , G02F1/29
CPC分类号： G02F1/29 , A61B1/0019 , G02B3/08 , G02B3/14 , G02F1/1345 , G02F1/1347 , G02F2001/294
摘要： An imaging apparatus is provided with a negative lens, a variable focal length lens unit including a material with an electrooptic effect, a light blocking unit, including the material with the electrooptic effect, capable of changing an aperture diameter, and a switch, interlocked with each other, capable of supplying electric power to the variable focal length lens unit and the light blocking unit which are arranged in order on an optical axis from an object side to an image side. When the switch is turned off, the variable focal length lens unit is set to bring an object at a far point into focus and the light blocking unit is set so that an aperture is determined by an aperture stop, while on the other hand, when the switch is turned on, the variable focal length lens unit is set so that an object at a near point is in focus and the light blocking unit is set to be smaller in aperture. Apertures different in size are determined by a plurality of annular transparent electrodes incorporated in the light blocking unit and configured concentrically. Thus the imaging apparatus can be constructed to be small or compact in size and is easy in manufacturing.
摘要翻译： 成像装置设置有负透镜，包括具有电光效应的材料的可变焦距透镜单元，包括具有电光效应的材料，能够改变孔径的遮光单元以及与 彼此能够向从物侧到像侧的光轴依次配置的可变焦距透镜单元和遮光单元供电。 当开关断开时，可变焦距透镜单元被设置为使物体在远点处聚焦，并且遮光单元被设置为使得孔径由孔径光阑确定，而另一方面，当 开关被接通，可变焦距透镜单元被设置成使得近点处的物体处于焦点并且遮光单元被设定为较小的孔径。 尺寸不同的孔径由结合在遮光单元中的多个环形透明电极确定并同心配置。 因此，成像装置可以被构造成尺寸小或紧凑，并且制造容易。
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公开(公告)号：US4676592A
公开(公告)日：1987-06-30
申请号：US582735
申请日：1984-02-23
CPC分类号： G02B23/26
摘要： An image transmitting optical system comprising an objective, an image guide formed of an optical fiber bundle, an eyepiece, a relay-lens system, and a stop capable of changing an aperture provided adjacently to any of the position of an exit pupil of the eyepiece, the position conjugate with the exit pupil in respect of the relay-lens system or the position of an entrance pupil of the objective, in order to enable to photograph more clearly even in a short distance photographing.
摘要翻译： 包括物镜的图像传输光学系统，由光纤束形成的图像引导件，目镜，中继透镜系统和能够改变与目镜的出射光瞳的任何位置相邻设置的光阑的光阑 相对于中继透镜系统与出射光瞳共轭的位置或物镜的入射光瞳的位置，以便即使在短距离拍摄中也能够更清晰地拍摄。
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公开(公告)号：US5436767A
公开(公告)日：1995-07-25
申请号：US236680
申请日：1994-05-02
CPC分类号： G02B9/12 , G02B23/243
摘要： An objective lens system for endoscopes comprising, in order from the object side, a first lens component having negative refractive power, a second lens component having positive refractive power and a third lens component having positive refractive power; wherein astigmatism is corrected favorably by using an aspherical surface in the third lens component or an aperture stop is arranged between the second lens component and an image surface of the objective lens system, and aberrations including chromatic aberration are corrected favorably.
摘要翻译： 一种用于内窥镜的物镜系统，包括从物体侧开始具有负折光力的第一透镜部件，具有正屈光力的第二透镜部件和具有正折光力的第三透镜部件; 其中通过在第三透镜部件中使用非球面来适当地校正像散，或者在第二透镜部件和物镜系统的图像表面之间布置孔径光阑，并且有利地校正包括色像差的像差。
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公开(公告)号：US5177605A
公开(公告)日：1993-01-05
申请号：US870754
申请日：1992-04-20
申请人： Susumu Takahashi , Tsutomu Igarashi , Atsushi Miyazaki , Kimihiko Nishioka , Akira Hasegawa , Masahiro Chiba , Koji Takamura
发明人： Susumu Takahashi , Tsutomu Igarashi , Atsushi Miyazaki , Kimihiko Nishioka , Akira Hasegawa , Masahiro Chiba , Koji Takamura
CPC分类号： G02B23/2423 , A61B1/05
摘要： In order to enable to sufficiently deflect the viewing direction for a distal end having an end surface substantially perpendicular to the optical axis of an objective optical system and minimize aberrations produced due to the deflecting action, the objective optical system for endoscopes comprises at least one surface designed as a deflecting surface or an eccentric surface on the image side of the surface nearest the object to be observed out of the surfaces of the optical components composing the objective optical system so that the light is refracted at least twice for deflecting the viewing direction. In order to shorten total length and minimize outside diameter of the objective optical system and enable to sufficiently eliminate the infrared light incident from the object, the objective optical system comprises at least one optical component made of a substance absorbing the light having the oscillation frequency of the YAG laser light and interference films reflecting the light having the oscillation frequency of the YAG laser light formed on the cemented surfaces of the optical components and/or the surface of emergence of a rear group designed as a positive lens component.
摘要翻译： 为了能够使具有基本上垂直于物镜光学系统的光轴的端面的远端足够偏转观察方向，并且使由于偏转动作产生的像差最小化，内窥镜用物镜系统包括至少一个表面 被设计为在构成物镜光学系统的光学部件的表面之外最靠近被观察物体的表面的像侧上的偏转表面或偏心表面，使得光被折射至少两次以偏转观察方向。 为了缩短物镜光学系统的总长度和最小化外径，能够充分消除从物体入射的红外光，物镜光学系统包括至少一个光学部件，该光学部件由吸收具有振荡频率 反射具有形成在光学部件的胶合表面上的YAG激光的振荡频率的光和/或设计为正透镜部件的后组的出射表面的YAG激光和干涉膜。
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