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11. 发明授权

US06188521B1 Image displaying apparatus having magnification-changing system 失效
标题翻译：具有放大倍率改变系统的图像显示装置
公开(公告)号：US06188521B1
公开(公告)日：2001-02-13
申请号：US08450787
申请日：1995-05-25
申请人： Tsunefumi Tanaka , Sadahiko Tsuji , Hideki Morishima , Norihiro Nanba , Takeshi Akiyama
发明人： Tsunefumi Tanaka , Sadahiko Tsuji , Hideki Morishima , Norihiro Nanba , Takeshi Akiyama
IPC分类号： G02B2714
CPC分类号： G02B27/0176 , G02B27/0172 , G02B2027/0132 , G02B2027/0178
摘要： The present invention relates to an image displaying apparatus comprising an image displaying device for radiating light to display an image, a first optical system for forming the image on a primary image plane, which has a magnification-changing portion for changing an image magnification of the image and a second optical system for guiding light from the primary image plane to the pupil of an observer in order to enable the observer to observe an enlarged, virtual image of the image formed on the primary image plane.
摘要翻译：本发明涉及一种图像显示装置，包括：用于发射光以显示图像的图像显示装置;用于在主像平面上形成图像的第一光学系统，该第一光学系统具有用于改变图像放大率的倍率变化部分图像和用于将来自主图像平面的光引导到观察者的瞳孔的第二光学系统，以便使观察者能够观察在主像平面上形成的图像的放大的虚拟图像。

12. 发明授权

US4673262A Compact finder 失效
标题翻译：小型取景器
公开(公告)号：US4673262A
公开(公告)日：1987-06-16
申请号：US677916
申请日：1984-12-04
申请人： Sadahiko Tsuji
发明人： Sadahiko Tsuji
IPC分类号： G03B13/26 , G02B17/08 , G02B23/14 , G02B25/00 , G02B27/16 , G03B13/06 , G02B23/04
CPC分类号： G02B27/16 , G02B17/026 , G02B23/14 , G02B27/144
摘要： The disclosed finder includes an optical system having an optical axis and an image plane, an eyepiece lens conjugately arranged at the rear to observe the image plane, a plurality of lens units, and a reflecting mirror arranged between the successive two of the lens units, to obtain an erect image and to shorten the total finder length.
摘要翻译：所公开的取景器包括具有光轴和图像平面的光学系统，共同布置在后面以观察图像平面的目镜，多个透镜单元和布置在相继的两个透镜单元之间的反射镜，以获得直立的图像并缩短总取景器长度。

13. 发明授权

US4659187A Zoom lens using elements made of plastic materials 失效
标题翻译：变焦镜头采用塑料材质制作的元素
公开(公告)号：US4659187A
公开(公告)日：1987-04-21
申请号：US546083
申请日：1983-10-27
申请人： Sadahiko Tsuji , Sadatoshi Takahashi
发明人： Sadahiko Tsuji , Sadatoshi Takahashi
IPC分类号： G02B1/04 , G02B15/167 , G02B15/173 , G02B15/22 , G02B15/14
CPC分类号： G02B15/173
摘要： A zoom lens with a frontmost lens group made to have the focusing function, said focusing lens group being provided with at least one member made of a plastic material. The other part of the lens system than the focusing lens group is constructed with lenses made of materials which assure that the focal length will not vary with variation of the surrounding temperature and humidity so that when focusing is followed by zooming displacement of the image plane can be prevented.
摘要翻译：具有使聚焦功能具有最前面的透镜组的变焦透镜，所述聚焦透镜组设置有由塑料材料制成的至少一个构件。透镜系统的其他部分比聚焦透镜组的构造是由材料制成的透镜，这些透镜确保焦距不会随着周围温度和湿度的变化而变化，因此当聚焦后跟着图像平面的变焦位移被阻止

14. 发明授权

US4525036A Zoom lens 失效
标题翻译：变焦镜头
公开(公告)号：US4525036A
公开(公告)日：1985-06-25
申请号：US470623
申请日：1983-02-28
申请人： Kazuo Fujibayashi , Muneharu Sugiura , Sadahiko Tsuji
发明人： Kazuo Fujibayashi , Muneharu Sugiura , Sadahiko Tsuji
IPC分类号： G02B15/17 , G02B15/00
CPC分类号： G02B15/17
摘要： A zoom lens having, from front to rear, a 1st lens group having a positive refractive power for focusing, a 2nd lens group of negative refractive power having a magnification changing function, a 3rd lens group having a negative refractive power for compensating for the image shift resulting from the change of the magnification, and a 4th lens group of positive refractive power having an image forming function, the aforesaid 4th lens group having two lens groups with the front or 4-1st lens group and the rear or 4-2nd lens group. The form and construction and arrangement of the lens elements of the aforesaid 4-1st and the aforesaid 4-2nd lens groups are properly set forth so as to achieve good correction of aberrations and, at the same time, limiting the bulk and size of the entire system to a minimum.
摘要翻译：具有从前到后具有用于聚焦的正折光力的第一透镜组的变焦透镜，具有倍率变化功能的负折射力的第二透镜组，具有用于补偿图像的负折光力的第三透镜组具有图像形成功能的具有正折射力的第4透镜组，具有前透镜组或第4-1透镜组的两个透镜组的第四透镜组以及后透镜或第四透镜组组。上述第4-1和第4-2透镜组的透镜元件的形状和结构和布置被适当地阐述，以便实现良好的像差校正，并且同时限制了大小和尺寸整个系统降至最低。

15. 发明授权

US4318593A Zoom lens assembly with two movable focusing lens groups 失效
标题翻译：变焦镜头组合有两个可移动聚焦镜头组
公开(公告)号：US4318593A
公开(公告)日：1982-03-09
申请号：US92843
申请日：1979-11-09
申请人： Sadahiko Tsuji , Noritsugu Hirata , Kazuo Tanaka
发明人： Sadahiko Tsuji , Noritsugu Hirata , Kazuo Tanaka
IPC分类号： G02B7/08 , G02B7/10 , G02B15/167 , G02B15/22
CPC分类号： G02B7/10
摘要： In the disclosed zoom lens assembly containing focusing optics, a variable magnification lens group and an image forming lens group, the focusing optics are divided into a first movable focusing lens group and a second movable focusing lens group, while a control device operatively engaged with a focusing mechanism moves the first and the second movable lens groups a predetermined amount in order to compensate for changes in the picture angle during the focusing operation.
摘要翻译：在所公开的包含聚焦光学元件的变焦透镜组件，可变放大透镜组和成像透镜组中，聚焦光学器件被分成第一可移动聚焦透镜组和第二可移动聚焦透镜组，而控制装置与聚焦机构使第一和第二可移动透镜组移动预定量，以补偿聚焦操作期间图像角度的变化。

16. 发明授权

US4251133A Large aperture telephoto-lens 失效
标题翻译：大孔径长焦镜头
公开(公告)号：US4251133A
公开(公告)日：1981-02-17
申请号：US958634
申请日：1978-11-08
申请人： Sadahiko Tsuji
发明人： Sadahiko Tsuji
IPC分类号： G02B13/02 , G02B9/62 , G02B9/60
CPC分类号： G02B13/02
摘要： The present invention relates to a large aperture telephoto-lens consisting of a positive front lens group including a positive lens, a negative lens and a positive lens in sequence and a rear lens group arranged distant from the front group on the optical axis and including a fixed negative sub-group and a movable negative sub-group for focusing, whereby the following relations are satisfied. ##EQU1## Hereby, v.sub.1, v.sub.2, v.sub.3 are Abbe's numbers of the lenses constituting the front lens group; n.sub.1, n.sub.2, n.sub.3 are refractive indices of the lenses constituting the front lens group; R.sub.2 is the radius of curvature of the image side surface of the object side positive lens in the front lens group; R.sub.3 is the radius of curvature of the object side surface of the negative lens in the front lens group; and f is the focal length of the whole system when an object at the infinite distance is in focus.
摘要翻译：本发明涉及一种大光圈远摄镜头，其由依次包括正透镜，负透镜和正透镜的正前透镜组和在光轴上远离前组设置的后透镜组构成，固定负子组和可动负子组进行聚焦，从而满足以下关系。因此，v1，v2，v3是构成的透镜的阿贝数，因此，v1，v2，v3 前镜组; n1，n2，n3是构成前透镜组的透镜的折射率; R2是前透镜组中的物体侧正透镜的像侧表面的曲率半径; R3是前透镜组中的负透镜的物体侧表面的曲率半径; 而当无限距离的物体处于焦点时，f是整个系统的焦距。

17. 发明授权

US4240698A Large aperture zoom lens 失效
标题翻译：大光圈变焦镜头
公开(公告)号：US4240698A
公开(公告)日：1980-12-23
申请号：US925299
申请日：1978-07-17
申请人： Sadahiko Tsuji , Yasuhisa Sato
发明人： Sadahiko Tsuji , Yasuhisa Sato
IPC分类号： G02B15/167 , G02B15/17 , G02B15/18
CPC分类号： G02B15/17
摘要： The present invention relates to a large aperture zoom lens consisting of a positive focusing lens group, a negative variator, a negative compensator, an afocal lens group and an image forming lens in sequence from the object. The focusing lens group consists of a negative meniscus lens whose convex surface is directed toward the object, a bi-convex lens and a positive meniscus lens whose convex surface is directed toward the object, the variator of a negative meniscus lens whose convex surface is directed toward the object, the bi-concave lens and a positive lens cemented with each other, the compensator representing a negative lens of a bi-concave lens and a lens cemented with each other, the negative meniscus lens in the focusing lens group is distant from the bi-convex lens so as to form are air lens with weak divergence and the compensator is moved forwards and backwards at the same time with the movement of the variator for zooming.
摘要翻译：本发明涉及一种大尺寸孔径变焦镜头，其由正对焦透镜组，负变换器，负补偿器，无焦透镜组和成像透镜组成。聚焦透镜组由凸面朝向物体的负弯月透镜，凸面朝向物体的双凸透镜和正弯月透镜组成，凸面朝向物体的负弯月透镜的变倍器朝向物体，双凹透镜和正透镜彼此粘合，补偿器表示双凹透镜的负透镜和彼此胶合的透镜，聚焦透镜组中的负弯月透镜远离双凸透镜形成为具有弱散度的空气透镜，并且补偿器随着用于变焦的变倍器的移动而同时向前和向后移动。

18. 发明授权

US4094586A Compact zoom lens 失效
标题翻译：紧凑型变焦镜头
公开(公告)号：US4094586A
公开(公告)日：1978-06-13
申请号：US736941
申请日：1976-11-01
申请人： Yasuhisa Sato , Sadahiko Tsuji , Katsumi Tanaka
发明人： Yasuhisa Sato , Sadahiko Tsuji , Katsumi Tanaka
IPC分类号： G02B15/167 , G02B15/173 , G02B15/18
CPC分类号： G02B15/173
摘要： A zoom lens comprising, as viewed from the side of a photographing object, a first lens group, which is positive and is provided for focusing, including a positive lens formed by joining a negative lens and a positive lens together and a positive meniscus lens; a second lens group, which is negative and is provided for variation, including a negative lens and another negative lens formed by joining a negative lens and a positive lens together; a third lens group, which is provided for compensation, including a positive lens formed by joining a negative lens and a positive lens together; a fourth lens group which is positive and is provided for image formation; and a fifth lens group which is weakly negative, the third lens group drawing a concave locus toward the object side as the second lens group moves in the direction of an optical axis. The fourth lens group is composed of two positive meniscus lenses closedly adjacent to each other and a biconcave lens disposed apart from these meniscus lenses. The fifth lens group is composed of a biconvex lens, a negative lens disposed with its concave face directed toward the object and a positive lens disposed with its convex face toward the object.
摘要翻译：一种变焦透镜，包括：从拍摄对象侧观察为包括通过将负透镜与正透镜接合在一起形成的正透镜和正弯月形透镜的正向并被设置用于聚焦的第一透镜组; 第二透镜组，其是负的并且用于变化，包括负透镜和通过将负透镜和正透镜接合在一起而形成的另一负透镜; 第三透镜组，其被提供用于补偿，包括通过将负透镜和正透镜接合在一起而形成的正透镜; 第四透镜组是正的并被提供用于图像形成; 以及第五透镜组，其为弱负极，第三透镜组随着第二透镜组沿光轴方向移动而朝向物体侧绘制凹轨迹。第四透镜组由两个彼此紧密相邻的正弯月形透镜和与这些弯液面透镜隔开的双凹透镜组成。第五透镜组由双凸透镜，其凹面朝向物体设置的负透镜和朝向物体的凸面设置的正透镜构成。

19. 发明授权

US5572372A Optical apparatus provided with a driving unit for moving a lens 失效
标题翻译：设置有用于移动透镜的驱动单元的光学设备
公开(公告)号：US5572372A
公开(公告)日：1996-11-05
申请号：US200885
申请日：1994-02-22
申请人： Masayoshi Sekine , Junichi Murakami , Shigeru Ogino , Hiroyuki Takahara , Masamichi Toyama , Sadahiko Tsuji , Shigeyuki Suda , Jun Tokumitsu
发明人： Masayoshi Sekine , Junichi Murakami , Shigeru Ogino , Hiroyuki Takahara , Masamichi Toyama , Sadahiko Tsuji , Shigeyuki Suda , Jun Tokumitsu
IPC分类号： G02B7/08 , G02B7/02 , G02B15/14
CPC分类号： G02B7/08
摘要： An optical apparatus is provided with a lens unit movable in the direction of the optical axis thereof, a lens barrel, an electromagnetic coil coupled to one of the lens unit and the lens barrel, a driving unit having a magnetic material coupled to the other of the lens unit and the lens barrel, and a guide for slidably guiding the lens unit relative to the lens barrel.
摘要翻译：一种光学设备设置有可沿其光轴方向移动的透镜单元，透镜镜筒，耦合到透镜单元和镜筒之一的电磁线圈，具有耦合到另一个的磁性材料的驱动单元透镜单元和镜筒，以及用于相对于镜筒可滑动地引导透镜单元的引导件。

20. 发明授权

US5087935A Active external distance measuring system having an optical device in the light projection and light receiving paths to reduce parallax 失效
标题翻译：有源的外部距离测量系统在光投影和光接收路径中具有光学装置以减小视差
公开(公告)号：US5087935A
公开(公告)日：1992-02-11
申请号：US469044
申请日：1990-01-23
申请人： Naoya Kaneda , Youichi Iwasaki , Sadahiko Tsuji
发明人： Naoya Kaneda , Youichi Iwasaki , Sadahiko Tsuji
IPC分类号： G01C3/08 , G01S17/46
CPC分类号： G01S17/48 , G01C3/085
摘要： An active, external distance measurement type apparatus for focus adjustment of a photographic lens comprises a light emitting element arranged outside a light beam passing through the photographic lens, a projection lens for projecting light from the light emitting element to an object field, a collection lens arranged in spaced relation to the projection lens by a base line length, and a photosensitive element to which the irregular reflection of the light rays projected by the projection lens onto an object to be phtotgraphed is directed by the collection lens. An optical unit is arranged to refract a portion of each of a projecting light beam and a receiving light beam in a different direction so that parallax is compensated for.
摘要翻译：用于拍摄镜头的焦距调节的主动的外部距离测量型设备包括布置在穿过摄影镜头的光束外部的发光元件，用于将来自发光元件的光投射到物场的投影透镜，收集透镜通过基线长度与投影透镜隔开设置;以及感光元件，通过投影透镜将由投影透镜投影的光线的不规则反射引导到待拍摄对象上。光学单元被布置成使投影光束和接收光束中的每一个的一部分沿不同方向折射，从而补偿视差。

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