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1. 发明授权

US4047807A Diaphragm device 失效
标题翻译：隔膜装置
公开(公告)号：US4047807A
公开(公告)日：1977-09-13
申请号：US644320
申请日：1975-12-24
申请人： Yukio Okano , Nobuyuki Kita , Kyozo Uesugi
发明人： Yukio Okano , Nobuyuki Kita , Kyozo Uesugi
IPC分类号： G03B9/06 , G03B9/02
CPC分类号： G03B9/06
摘要： A diaphragm device in which a plurality of diaphragm blades are arranged in partly overlapping relation to one another. This diaphragm device provides a diaphragm aperture of a substantially elongated circle having its length extending in a specific direction, when stopped down beyond a given diaphragm aperture. More particularly, the diaphragm aperture is defined by a pair of arcs which oppose each other in a direction perpendicular to the specific direction passing through the center of the aperture and another pair of arcs which are disposed on the opposite sides in the aforesaid specific direction, while the distance of either one of the pair of arcs to the center of the aperture is shorter than the distance of either of the other pair of arcs to the center of the aperture. These pairs of arcs define portions of the inner peripheral edges of the diaphragm blades.
摘要翻译：一种膜片装置，其中多个光阑叶片彼此部分重叠地布置。该隔膜装置提供具有大致细长圆的隔膜孔，当其停止超过给定的隔膜孔径时，其具有沿特定方向延伸的长度。更具体地说，光阑孔径由一对在垂直于通过孔的中心的特定方向的方向上彼此相对的弧形，另一对弧设置在上述特定方向的相对侧上，而该对弧中的任一个到孔的中心的距离比另一对弧之一到孔的中心的距离短。这些弧形对限定了光阑叶片的内周边缘的一部分。

2. 发明授权

US4264151A Optical adaptor for movie and television cameras 失效
标题翻译：用于电影和电视摄像机的光学适配器
公开(公告)号：US4264151A
公开(公告)日：1981-04-28
申请号：US959077
申请日：1978-11-09
申请人： Yukio Okano
发明人： Yukio Okano
IPC分类号： G03B17/14 , G02B15/02 , G02B15/10
CPC分类号： G02B15/02
摘要： An optical adaptor is provided to permit objective lenses designated for a certain image format to be used on optical devices having a smaller image format. Thus, 35 mm single lens reflex camera lenses can be mounted on a cinematographic camera and a T.V. camera. The optical adaptor includes a pair of mounts for attachment respectively to the objective lens and to the optical device. Mounted within the adaptor housing is a positive refractive lens system capable of shortening the focal length and increasing the aperture ratio of the objective lens system. The lens system satisfies the condition that the magnification, .beta., is equal to or less than 1 and the refractive power of a negative element lens .PSI..sub.1 to that of a positive element lens, .PSI..sub.2, in the lens system, satisfies the following;(4/.beta.)-4.5.ltoreq..vertline..PSI..sub.2 /.PSI..sub.1 .vertline..ltoreq.(4/.beta.)-3
摘要翻译：提供了一种光学适配器，以允许为特定图像格式指定的物镜用于具有较小图像格式的光学装置。因此，35毫米单镜头反光相机镜头可以安装在电影摄像机和T.V摄像机上。光学适配器包括用于分别附接到物镜和光学装置的一对支架。安装在适配器壳体内的是能够缩短焦距并增加物镜系统的孔径比的正折射透镜系统。透镜系统满足以下条件：透镜系统中的倍率β等于或小于1，负透镜PSI 1与正透镜PSI 2的折射能力满足以下条件：（4 /β）-4.5

3. 发明授权

US4124276A Soft focus lens system 失效
标题翻译：柔焦镜头系统
公开(公告)号：US4124276A
公开(公告)日：1978-11-07
申请号：US750824
申请日：1976-12-15
申请人： Yukio Okano , Akiyoshi Nakamura , Toshinobu Ogura
发明人： Yukio Okano , Akiyoshi Nakamura , Toshinobu Ogura
IPC分类号： G02B13/20
CPC分类号： G02B13/20
摘要： A variable soft focus lens system particularly adapted for photography is provided. The soft focus lens system includes at least two lens groups defining a meniscus shaped air space there between. The relative width of the air space can be variable by movement of one of the lens groups relative to the other. This movement can introduce a controlled amount of spherical aberration to provide within certain parameters a soft focus image with an acceptable Petzval sum and flatness of the image plane. Various embodiments of the present invention within the inventive parameters can be utilized and include both stationary and variable soft focus lens system.
摘要翻译：提供了一种特别适用于摄影的可变柔焦镜头系统。软焦点透镜系统包括至少两个在其间限定弯液面形空间的透镜组。空间的相对宽度可以通过一个透镜组相对于另一透镜组的运动而变化。该运动可以引入受控量的球面像差，以在某些参数内提供具有可接受的Petzval和图像平面度的柔焦图像。本发明的各种实施例可以利用本发明的参数，包括静态和可变的柔焦镜头系统。

4. 发明授权

US4101929A Color encoding video system with optical low pass filter 失效
标题翻译：彩色编码视频系统与光学低通滤波器
公开(公告)号：US4101929A
公开(公告)日：1978-07-18
申请号：US768869
申请日：1977-02-15
申请人： Shoichi Ohneda , Yukio Okano
发明人： Shoichi Ohneda , Yukio Okano
IPC分类号： H01J29/89 , H04N9/07
CPC分类号： H04N9/07 , H01J29/89 , H01J2229/893
摘要： A color encoding video system such as a single or double tube color television camera has an optical grating low pass filter positioned in a plane substantially adjacent the focal plane of the image pickup tube. A separate and interchangeable image forming objective optical system can be mounted on the body of the camera for focusing an object scene on the photosensitive element of the pickup tube. The filter grating pattern can be stripes or lenticular lenses and has a spatial frequency along the scanning direction limited to a value not greater than the highest spatial frequency available for detection of the luminous signals whereby optical imaging problems are prevented regardless of the aperture opening of the objective optical system.

5. 发明授权

US4100570A Optical image pickup system 失效
标题翻译：光学摄像系统
公开(公告)号：US4100570A
公开(公告)日：1978-07-11
申请号：US660781
申请日：1976-02-24
申请人： Saburo Nobutoki , Yukio Okano
发明人： Saburo Nobutoki , Yukio Okano
IPC分类号： H04N9/07 , G02B27/46 , H01J29/89
CPC分类号： H01J29/89 , G02B27/46
摘要： An optical image pickup system for reducing spurious color signals generated in an image pickup system including a stripe-shaped color separation or color encoding filter, wherein a double refraction plate and a diffraction grating spatial frequency filter are arranged serially in an optical path to maintain a high resolution power in the luminance band and at the same time present a sufficient reduction of the spurious color signal.
摘要翻译：一种光学图像拾取系统，用于减少在包括条形分色或颜色编码滤光器的图像拾取系统中产生的杂色信号，其中双折射板和衍射光栅空间频率滤波器在光路中串联布置以保持在亮度带中的高分辨率功率并且同时呈现杂散色信号的充分降低。

6. 发明授权

US4083627A Two dimensional optical phase grating filter 失效
标题翻译：二维光学相位光栅滤波器
公开(公告)号：US4083627A
公开(公告)日：1978-04-11
申请号：US650781
申请日：1976-01-20
申请人： Yukio Okano
发明人： Yukio Okano
IPC分类号： H04N5/225 , G02B5/18 , G02B27/46 , H04N9/07 , G02B5/20 , H04N9/06
CPC分类号： G02B5/1871 , G02B27/46
摘要： A two dimensional optical phase grating filter is provided that is capable of limiting the transmittance of spacial frequency signals in one or more scan directions. The two dimensional grating of the present invention can be utilized as an optical low pass filter to improve image resolution in a color video system. In the color video system, the two dimensional grating filter could be designed to optically complement a dichroic stripe filter to prevent the introduction of spurious signals by any interference of luminance and chrominance signals. The design parameters of the present invention provide an improved cut-off characteristic with grating widths larger than one-half of the filter period. The two dimensional phase grating filter of the present invention can also be utilized in other optical systems, such as an automatic focusing system, where it is desired to pass only a certain spacial frequency as a monitored signal for the automatic adjustment of the focus of the optical system.
摘要翻译：提供了能够限制一个或多个扫描方向上的空间频率信号的透射率的二维光学相位光栅滤波器。本发明的二维光栅可以用作光学低通滤波器，以改善彩色视频系统中的图像分辨率。在彩色视频系统中，二维光栅滤波器可以设计成光学地补充二向色条形滤波器，以防止通过亮度和色度信号的任何干扰引入杂散信号。本发明的设计参数提供了具有大于滤波器周期的一半的光栅宽度的改进的截止特性。本发明的二维相位光栅滤波器也可用于诸如自动聚焦系统的其它光学系统中，其中期望仅通过一定的空间频率作为被监视的信号，用于自动调节光学系统。

7. 发明授权

US4178611A Optical low pass filter 失效
标题翻译：光学低通滤波器
公开(公告)号：US4178611A
公开(公告)日：1979-12-11
申请号：US889011
申请日：1978-03-22
申请人： Yukio Okano
发明人： Yukio Okano
IPC分类号： H04N9/07 , G02B27/46 , H04N9/04 , H04N9/06
CPC分类号： G02B27/46 , H04N9/04
摘要： An optical low pass filter adapted for use in a single or double tube color television camera provided with an optical system including a color encoding filter for obtaining color or chrominance signals having the spatial frequency in a particular band. The low pass filter serves to cut off the high spatial frequency components of the image or luminance signals to eliminate the crosstalk between the chrominance and luminance signals. The low pass filter according to the present invention is a phase grating filter having the triangular-wave cross-sectional configuration, of which height is in a range given by a mathematical description.
摘要翻译：一种光学低通滤波器，适用于具有光学系统的单管或双管彩色电视摄像机，所述光学系统包括用于获得具有特定频带中的空间频率的颜色或色度信号的颜色编码滤波器。低通滤波器用于切断图像的高空间频率分量或亮度信号，以消除色度和亮度信号之间的串扰。根据本发明的低通滤波器是具有三角波横截面构造的相位光栅滤波器，其高度在由数学描述给出的范围内。

8. 发明授权

US4480896A Optical filter suitable for portrait photography 失效
标题翻译：适用于人像摄影的光学滤镜
公开(公告)号：US4480896A
公开(公告)日：1984-11-06
申请号：US340026
申请日：1982-01-18
申请人： Souichi Kubo , Yukio Okano
发明人： Souichi Kubo , Yukio Okano
IPC分类号： G02B5/20 , G02B13/20 , G02B27/46 , G03B11/00
CPC分类号： G02B13/20
摘要： An improved soft focus optical filter is provided and comprises a plurality of effective filter areas on a transparent substrate. The filter areas are designed specifically to modify the modulation transfer function of the filter so that a selective soft focus effect is achieved only for transmitted green light.
摘要翻译：提供了一种改进的柔焦滤光片，并且包括在透明基板上的多个有效滤光片区域。滤波器区域被专门设计用于修改滤波器的调制传递函数，使得仅对于传输的绿光实现选择性的软焦点效应。

9. 发明授权

US4214814A Variable soft focus lens system 失效
标题翻译：可变柔焦镜头系统
公开(公告)号：US4214814A
公开(公告)日：1980-07-29
申请号：US884357
申请日：1978-03-07
申请人： Shuji Ogino , Toshinobu Ogura , Yukio Okano , Akiyoshi Nakamura
发明人： Shuji Ogino , Toshinobu Ogura , Yukio Okano , Akiyoshi Nakamura
IPC分类号： G02B9/60 , G02B9/64 , G02B13/20
CPC分类号： G02B13/20
摘要： A variable soft focus lens system particularly adapted for photography is disclosed. The lens system incorporates two lens groups, a first object side lens group having an image side, rearmost surface convex to the image side, and a second, image side lens group having an object side, foremost surface concave to the object side. An airspace separating the first and second lens group has a meniscus shape concave to the object side. A good quality soft tone image having undersirable aberrations well within tolerable limits, is attained by shifting at least the second lens group along the optical axis relative to the first lens group whereby the airspace separating the two lens groups and a spherical aberration of the entire lens system is varied. An image does not lose proper focus while the spherical aberration of the system is varied. The second lens group has a refractive power within specified limits in relation to the refractive power of the entire lens system.
摘要翻译：公开了一种特别适用于摄影的可变柔焦镜头系统。透镜系统包括两个透镜组，具有图像侧的第一物体侧透镜组，朝向像侧凸起的最后表面，以及具有物体侧的第二镜像侧透镜组，最前端面朝向物体侧凹陷。分离第一透镜组和第二透镜组的空间具有朝向物体侧凹入的弯月形状。通过使第二透镜组相对于第一透镜组沿着光轴移动至少使第二透镜组分离两个透镜组的空间和整个透镜的球面像差，可获得具有良好的可容忍极限内的不良像差的良好质量的柔和色调图像系统是多样的。当系统的球面像差变化时，图像不会失去适当的对焦。第二透镜组的折射力相对于整个透镜系统的屈光力具有特定的限制。

10. 发明授权

US4068260A Combination optical low pass filter capable of phase and amplitude modulation 失效
标题翻译：组合光学低通滤波器，能够进行相位和幅度调制
公开(公告)号：US4068260A
公开(公告)日：1978-01-10
申请号：US768861
申请日：1977-02-15
申请人： Shoichi Ohneda , Yukio Okano
发明人： Shoichi Ohneda , Yukio Okano
IPC分类号： G02B5/28 , G02B27/46 , H01J29/89 , H04N9/07 , H04N9/22
CPC分类号： H01J29/898
摘要： A combination optical low pass filter adapted for use in a single or double tube color television camera is provided with a phase retarding pattern on a transparent substrate. The pattern includes optical elements having a transmissivity which varies with the wavelength of light passing there through so that the optical low pass filter functions as both a phase diffraction and an amplitude diffraction filter. Medium indexed filler material can further supplement the pattern to eliminate any light scattering.
摘要翻译：适用于单管或双管彩色电视摄像机的组合光学低通滤波器在透明衬底上设置有相位延迟图案。该图案包括具有随着通过的光的波长而变化的透射率的光学元件，使得光学低通滤波器用作相位衍射和幅度衍射滤光器。中等指数的填充材料可以进一步补充图案以消除任何光散射。

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