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31. 发明授权

US4907866A Objective of variable focal length 失效
标题翻译：可变焦距的目的
公开(公告)号：US4907866A
公开(公告)日：1990-03-13
申请号：US847236
申请日：1986-04-02
申请人： Nozomu Kitagishi , Hiroki Nakayama , Shigeyuki Suda , Jun Hattori , Akihisa Horiuchi
发明人： Nozomu Kitagishi , Hiroki Nakayama , Shigeyuki Suda , Jun Hattori , Akihisa Horiuchi
IPC分类号： G02B15/177
CPC分类号： G02B15/177
摘要： An objective of variable focal length includes a plurality of lens units of which the first, counting from front, is of negative power and the second is of positive power. At least the first and second lens units are moved with variation of the air separation therebetween to vary the focal length of the entire system. The objective is characterized in that at least one of the lens units is included with at least one refractive index distribution type lens arranged on the common optical axis of the other lenses.
摘要翻译：可变焦距的目的包括多个透镜单元，其中第一个从前面计数是负功率的，第二个具有正的功率。至少第一和第二透镜单元随着它们之间的空气间隔的变化而移动，以改变整个系统的焦距。其目的在于，透镜单元中的至少一个包括配置在其它透镜的公共光轴上的至少一个折射率分布型透镜。

32. 发明授权

US4842386A Variable focal length objective 失效
标题翻译：可变焦距目标
公开(公告)号：US4842386A
公开(公告)日：1989-06-27
申请号：US877102
申请日：1986-06-23
申请人： Nozomu Kitagishi , Hiroki Nakayama , Shigeyuki Suda , Jun Hattori , Akihisa Horiuchi
发明人： Nozomu Kitagishi , Hiroki Nakayama , Shigeyuki Suda , Jun Hattori , Akihisa Horiuchi
IPC分类号： G02B15/163 , G02B15/16 , G02B15/173
CPC分类号： G02B15/173
摘要： A variable focal length objective having a plurality of lens units with at least one unit separation being varied to vary the focal length of the entire system, in which at least one of the plurality of lens units has at least gradient-index lens having a refractive index distribution of the form: N(h)=N.sub.0 +N.sub.1 h.sup.2 +N.sub.2 h.sup.4 +N.sub.3 h.sup.6 + . . . where h is the height from the optical axis, N.sub.0 is the refractive index on the optical axis, and N.sub.1, N.sub.2, N.sub.3, . . . are constants, satisfying the following conditions:.phi..sub.G .multidot.N.sub.1
摘要翻译：具有具有至少一个单位间隔的多个透镜单元的可变焦距物镜被改变以改变整个系统的焦距，其中多个透镜单元中的至少一个具有至少具有折射率的梯度折射率透镜形式的索引分布：N（h）= N0 + N1h2 + N2h4 + N3h6 +。。。其中h是光轴的高度，N0是光轴上的折射率，N1，N2，N3。。。是满足以下条件的常数：phi GxN1 <0 Kx phi GxN2 <0其中，phi G是具有该梯度折射率透镜的透镜单元的屈光度，并且当曲率越强时，K为+1或-1 该梯度折射率透镜的两个表面分别对空气是凸的或凹的。

33. 发明授权

US4810070A Lens system having a good image performance for white light 失效
标题翻译：透镜系统具有良好的白光图像性能
公开(公告)号：US4810070A
公开(公告)日：1989-03-07
申请号：US901059
申请日：1986-08-26
申请人： Shigeyuki Suda , Jun Hattori , Nozomu Kitagishi , Hiroki Nakayama , Akihisa Horiuchi
发明人： Shigeyuki Suda , Jun Hattori , Nozomu Kitagishi , Hiroki Nakayama , Akihisa Horiuchi
IPC分类号： G02B9/00 , G02B3/00 , G02B9/02 , G02B15/16 , G02B15/167 , G02B15/173 , G02B15/14
CPC分类号： G02B3/0087 , G02B15/16
摘要： A lens system has a lens unit comprising a positive lens and a negative lens. The positive lens has an index distribution in the direction of the optic axis. The value of the index gradient for a light having a short wavelength in the vicinity of the vertex of at least one convex surface of the positive lens is smaller than the value of the index gradient for a light having a long wavelength.
摘要翻译：透镜系统具有包括正透镜和负透镜的透镜单元。正透镜在光轴方向上具有折射率分布。在正透镜的至少一个凸面的顶点附近具有短波长的光的折射率梯度的值小于具有长波长的光的折射率梯度的值。

34. 发明授权

US4695133A High range zoom lens 失效
标题翻译：高范围变焦镜头
公开(公告)号：US4695133A
公开(公告)日：1987-09-22
申请号：US717376
申请日：1985-03-29
申请人： Nozomu Kitagishi , Sadatoshi Takahashi , Keiji Ikemori , Kikuo Momiyama , Tsunefumi Tanaka
发明人： Nozomu Kitagishi , Sadatoshi Takahashi , Keiji Ikemori , Kikuo Momiyama , Tsunefumi Tanaka
IPC分类号： G02B15/20 , G02B15/173 , G02B15/16
CPC分类号： G02B15/173
摘要： The disclosed zoom lens includes, from front to rear, a first lens unit of positive power, a second lens unit of negative power, a third lens unit of positive power, and a fourth lens unit. When zooming, the first and third lens units are axially moved independently of each other, the second lens unit remains stationary, and the fourth lens unit is axially moved but changes the direction of advance at an intermediate point in the zooming range.
摘要翻译：所公开的变焦镜头包括从前到后的正功率的第一透镜单元，负功率的第二透镜单元，正光焦度的第三透镜单元和第四透镜单元。当变焦时，第一透镜单元和第三透镜单元彼此独立地轴向移动，第二透镜单元保持静止，并且第四透镜单元轴向移动，但是在变焦范围的中间点改变前进方向。

35. 发明授权

US4650988A Image reading apparatus with an area-type beam splitter 失效
标题翻译：具有区域型分束器的图像读取装置
公开(公告)号：US4650988A
公开(公告)日：1987-03-17
申请号：US283001
申请日：1981-07-13
申请人： Takashi Suzuki , Susumu Matsumura , Nozomu Kitagishi
发明人： Takashi Suzuki , Susumu Matsumura , Nozomu Kitagishi
IPC分类号： G03B13/36 , G02B7/28 , G02B27/10 , G02B27/16 , G02B27/46 , G03B3/00 , H01J3/14
CPC分类号： G02B27/108 , G02B27/144 , G02B27/145 , G02B27/147 , G02B27/16 , G02B27/46
摘要： An area-type beam splitter is disposed across the optical path of an imaging optical system. Photodetector arrays are located across the optical path portions divided by the beam splitter. The photodetector arrays in the respective optical path portions are arranged in different positions from one another in such a manner that images different from one another in imaging performance will be read by the respective photodetector arrays.
摘要翻译：区域型分束器跨越成像光学系统的光路设置。光检测器阵列位于由分束器分割的光路部分的两侧。各个光路部分中的光电检测器阵列被布置在彼此不同的位置，使得在成像性能中彼此不同的图像将被各个光电检测器阵列读取。

36. 发明授权

US4615603A Single lens reflex camera 失效
标题翻译：单镜头反光相机
公开(公告)号：US4615603A
公开(公告)日：1986-10-07
申请号：US656170
申请日：1984-09-28
申请人： Nozomu Kitagishi , Susumu Itoh , Sayoko Amano
发明人： Nozomu Kitagishi , Susumu Itoh , Sayoko Amano
IPC分类号： G03B13/02 , G03B7/099 , G03B7/0997 , G03B19/12
CPC分类号： G03B19/12 , G03B7/09972
摘要： In the single lens reflex camera whose movable mirror for reflecting light from the photographic lens to the finder is made partly half-mirrored to give a portion of the light to the photosensitive element, the finder is provided with a focusing screen of high diffusing property, the movable mirror having a half-mirrored portion at the center of the entire area with the surrounding area being made perfectly reflective is provided with a pattern of finely divided areas some of which are half-mirrored and the others of which are perfectly reflective in gradually varying area ratios in a boundary area between the central and surrounding areas, and a mask is provided on the back surface of the movable mirror for shutting off the passed light through the finely divided area pattern.
摘要翻译：在将用于将来自摄影镜头的光反射到取景器的可移动镜被部分半透镜以将一部分光提供给感光元件的单镜头反光照相机中，取景器设置有高扩散特性的聚焦屏幕，具有在整个区域的中心处的半透镜部分的周围区域被制成完全反射的可移动反射镜设置有细分区域的图案，其中一些图案是半透镜的，并且其中一些被逐渐地完全反射在中心区域和周围区域之间的边界区域中的面积比变化，并且在可移动反射镜的后表面上设置掩模，以关闭通过细分区域图案的经过的光。

37. 发明授权

US4536073A Apparatus for detecting a condition of sharpest focus 失效
标题翻译：用于检测最锐焦点的状态的装置
公开(公告)号：US4536073A
公开(公告)日：1985-08-20
申请号：US524300
申请日：1983-08-18
申请人： Nozomu Kitagishi , Kenji Suzuki , Shinji Sakai
发明人： Nozomu Kitagishi , Kenji Suzuki , Shinji Sakai
IPC分类号： G03B13/36 , G02B7/38 , G03B13/20
CPC分类号： G02B7/38
摘要： A real image of an object is projected by an objective lens to at least a pair of photosensitive elements on opposite side of a prescribed focal plane, wherein use is made of a secondary image forming lens between the objective lens and the pair of photosensitive elements to achieve a great increase in the range of detection of in-focus condition.
摘要翻译：物体的真实图像通过物镜投影到规定焦平面的相对侧上的至少一对感光元件，其中在物镜和一对感光元件之间使用次级图像形成透镜，实现了对焦条件检测范围的大幅增加。

38. 发明授权

US4500188A Focusing device for a camera 失效
标题翻译：相机的聚焦装置
公开(公告)号：US4500188A
公开(公告)日：1985-02-19
申请号：US529717
申请日：1983-09-06
申请人： Nozomu Kitagishi , Akira Tajima
发明人： Nozomu Kitagishi , Akira Tajima
IPC分类号： G03B13/36 , G02B7/28 , G02B7/38 , G03B3/10 , G03B7/08
CPC分类号： G03B3/10
摘要： A focusing device in which, in a condition in which the focus detecting operation is impossible, when the set focus position of the picture-taking lens is on the short distance focus side, the lens is forcibly shifted to the long distance focus side and when the set focus position is on the long distance focus side, the lens is shifted to the short distance focus side, whereby the device can quickly get away from the condition in which the focus detecting operation is impossible.
摘要翻译：一种聚焦装置，其中在不能进行聚焦检测操作的条件下，当拍摄镜头的设定焦点位置在短距离对焦侧时，透镜被强制地移动到长距离聚焦侧，并且当设定的对焦位置在长距离聚焦侧，透镜移动到短距离聚焦侧，从而可以快速摆脱不能进行聚焦检测操作的状态。

39. 发明授权

US4367463A Information mark display device 失效
标题翻译：信息标记显示装置
公开(公告)号：US4367463A
公开(公告)日：1983-01-04
申请号：US221210
申请日：1980-12-30
申请人： Takashi Suzuki , Nozomu Kitagishi
发明人： Takashi Suzuki , Nozomu Kitagishi
IPC分类号： G03B17/20 , G09F13/18 , G12B11/00
CPC分类号： G12B11/00 , G03B17/20
摘要： An information mark display device with the mark representative of information to be displayed being formed in at least one of the surfaces of a flat transparent substrate in a portion thereof and arranged upon illumination by light from a lamp to present the information display. The information mark display presenting portion is constructed from an array of microprisms, and the microprisms are so oriented that at least one of the inclined surfaces of each microprism deflects the rays of light from the lamp into the field of view of the finder.
摘要翻译：具有代表要显示的信息的标记的信息标记显示装置形成在其一部分中的平坦的透明基板的至少一个表面中，并且在来自灯的光照射时布置以呈现信息显示。信息标记显示呈现部分由微棱镜阵列构成，并且微棱镜被定向为使得每个微棱镜的至少一个倾斜表面将来自灯的光线偏转到取景器的视场。

40. 发明授权

US4206976A Compact telephoto lens 失效
标题翻译：紧凑型长焦镜头
公开(公告)号：US4206976A
公开(公告)日：1980-06-10
申请号：US928790
申请日：1978-07-28
申请人： Nozomu Kitagishi
发明人： Nozomu Kitagishi
IPC分类号： G02B9/60 , G02B13/02
CPC分类号： G02B13/02 , G02B9/60
摘要： A five component Ernostar type telephoto lens having a focal length in the intermediate order up to 135 m/m with a telephoto effect down to 0.84 but with limitation of zonal spherical aberration to a minimum is disclosed. The lens system comprises, from front to rear, a biconvex lens having a far larger front curvature than that of a rear surface thereof, a forwardly convex positive meniscus lens, a negative doublet composed of a forwardly concave front positive meniscus lens element and a rear biconcave lens element and followed, after a large axial air separation, by a negative meniscus lens of forward concavity, and a biconvex lens. The system fulfills the following requirements: ##EQU1##0.3F
摘要翻译：公开了一种五分量Ernostar型长焦镜头，其焦距在135m / m以上的中间级别，望远效果下降至0.84，但是区域球面像差的限制为最小。透镜系统从前到后包括具有比其后表面更大的前曲率的双凸透镜，前凸凸正弯月透镜，由前凹正前弯月透镜元件和后视镜组成的负双曲面双凹透镜元件，经过大的轴向空气分离后，由前凹面的负凹凸透镜和双凸透镜组成。该系统满足以下要求： 0.3F <| R6 <0.5F其中R6 <0，其中F是整个系统的焦距; phi 1是第一双凸透镜的焦距; phi 4,5是最后两个镜头的复合焦距; 并且R6是双面胶中粘结表面的曲率半径。

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