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1. 发明授权

US4810071A Variable focal length lens system 失效
标题翻译：可变焦距镜头系统
公开(公告)号：US4810071A
公开(公告)日：1989-03-07
申请号：US19974
申请日：1987-02-27
申请人： Hirofumi Tsuchida , Shin-ichi Mihara
发明人： Hirofumi Tsuchida , Shin-ichi Mihara
IPC分类号： G02B13/18 , G02B15/02 , G02B15/10 , G02B15/14 , G02B15/16 , G02B9/60
CPC分类号： G02B15/14
摘要： A variable focal length lens system comprising a first lens unit which comprises a negative meniscus lens and a positive lens, a second lens unit which comprises a negative lens, and a third lens unit which comprises at least three lenses including at least one negative lens, the variable focal length lens system being arranged to vary the focal length by moving the second lens unit and arranged to have a large aperture ratio and high vari-focal ratio and to be small in size.
摘要翻译：一种可变焦距透镜系统，包括：第一透镜单元，包括负弯月形透镜和正透镜;第二透镜单元，其包括负透镜;以及第三透镜单元，其包括至少三个透镜，所述至少三个透镜包括至少一个负透镜，可变焦距透镜系统被布置成通过移动第二透镜单元来改变焦距，并且被设置为具有大的开口率和高的变焦比，并且尺寸较小。

2. 发明授权

US4534626A Large relative aperture telephoto lens system 失效
标题翻译：大相对孔径长焦镜头系统
公开(公告)号：US4534626A
公开(公告)日：1985-08-13
申请号：US524082
申请日：1983-08-17
申请人： Shin-ichi Mihara
发明人： Shin-ichi Mihara
IPC分类号： G02B9/30 , G02B13/02 , G02B9/64
CPC分类号： G02B9/30 , G02B13/02
摘要： A large relative aperture telephoto lens system comprising a first converging lens group, a diverging lens group and a second converging lens group, arranged in said first lens group being a first positive lens component made of a glass material having a large anomalous partial dispersion ratio .theta..sub.i, a negative lens component made of a glass material having a small anomalous partial dispersion ratio .theta..sub.i and at least one of a second and third positive lens components made of a glass material having a large anomalous partial dispersion ratio .theta..sub.i, whereby longitudinal chromatic aberration is corrected to a very low level.
摘要翻译：布置在所述第一透镜组中的第一会聚透镜组，发散透镜组和第二会聚透镜组的大的相对孔径远摄透镜系统是由具有大的异常部分色散比θ的玻璃材料制成的第一正透镜组件 i，由具有小的异常部分色散比θi的玻璃材料制成的负透镜部件和由具有大的异常部分色散比θi的玻璃材料制成的第二和第三正透镜部件中的至少一个，由此纵向色像差被校正到非常低的水平。

3. 发明授权

US4818083A Vari-focal lens system 失效
标题翻译：变焦镜头系统
公开(公告)号：US4818083A
公开(公告)日：1989-04-04
申请号：US119899
申请日：1987-11-12
申请人： Shin-ichi Mihara
发明人： Shin-ichi Mihara
IPC分类号： G02B15/16 , G02B15/173 , G02B15/14
CPC分类号： G02B15/173
摘要： A vari-focal lens system comprising a first lens group having a positive focal length, a second lens group having a negative focal length, a third lens group having a positive focal length, and a fourth lens group having a positive focal length in the order from the object side and arranged that the first and third lens groups are always kept fixed, the second lens group is arranged to be movable when varying the focal length of the lens system as a whole and to be kept fixed at the time of focusing, the fourth lens group is arranged to be movable for the purpose of compensating the displacement of the focal point which occurs when varying the focal length of the lens system as a whole and to be movable also for the purpose of focusing, and the rays coming out from the third lens group becomes approximately afocal, the vari-focal lens system being further arranged that the lens group to be moved for focusing is light in weight and, moreover, arranged to have a large aperture ratio, high vari-focal ratio and high performance.
摘要翻译：一种变焦透镜系统，包括具有正焦距的第一透镜组，具有负焦距的第二透镜组，具有正焦距的第三透镜组和具有正焦距的第四透镜组，从物体侧排列第一透镜组和第三透镜组总是保持固定的，第二透镜组被布置为在整体上改变透镜系统的焦距并且在聚焦时被保持固定的可移动，第四透镜组被布置为可移动以便补偿当改变整个透镜系统的焦距并且为了聚焦的目的而可移动时发生的焦点的位移，并且射出的光线从第三透镜组变得大致无焦点，变焦透镜系统进一步被布置为使得要聚焦的移动的透镜组重量轻，并且还设置为具有大的开口率，高 h变焦率和高性能。

4. 发明授权

US4792219A Large aperture long focus macro lens system 失效
标题翻译：大孔径长焦距微距镜头系统
公开(公告)号：US4792219A
公开(公告)日：1988-12-20
申请号：US885647
申请日：1986-07-15
申请人： Shin-ichi Mihara
发明人： Shin-ichi Mihara
IPC分类号： G02B9/64 , G02B13/00 , G02B13/02
CPC分类号： G02B9/64 , G02B13/00
摘要： A large aperture long focus macro lens system comprising a first lens group having positive refractive power, a stop, a second lens group having positive refractive power, and a third lens group in the order from the object side, the large aperture long focus marco lens system being arranged to be focused on an object at a short distance by advancing the lens system as a whole in the state that the first lens group, the stop and the second lens group are advanced integrally by varying the relative airspace in respect to the third lens group, the large aperture long focus macro lens system being arranged that aberrations are corrected favorably and the variation of aberrations at the time of focusing is small and that the working distance does not become short and the advancing amount of the lens system does not become large when focused on the object at a very short distance.
摘要翻译：大孔径长焦距微距透镜系统，包括具有正屈光力的第一透镜组，具有正屈光力的第二透镜组，具有正屈光力的第二透镜组，以及从物体侧开始的第三透镜组，系统被布置为通过在第一透镜组，止挡和第二透镜组相对于第三透镜组改变相对空间的方向整体地推进的状态下通过前进透镜系统作为整体而在短距离处聚焦在物体上透镜组，大孔径长焦微距透镜系统被布置为有利地校正像差，并且聚焦时的像差变化小，并且工作距离不变短，并且透镜系统的前进量不变当在非常短的距离上聚焦于物体时很大。

5. 发明授权

US4359271A Compact photographic camera lens system having a short overall length 失效
标题翻译：紧凑的摄影相机镜头系统具有短的总长度
公开(公告)号：US4359271A
公开(公告)日：1982-11-16
申请号：US197743
申请日：1980-10-16
申请人： Shin-ichi Mihara
发明人： Shin-ichi Mihara
IPC分类号： G02B9/34 , G02B13/18 , G02B11/22
CPC分类号： G02B9/34
摘要： A compact photographic camera lens system having a short overall length, favorably corrected aberrations, especially off axial aberrations and a field angle of at least 63.degree. comprising a first positive meniscus lens component having a convex surface on the object side, a second bisconcave lens component, a third biconvex lens component and a fourth negative meniscus lens component, said fourth lens component having aspherical surfaces on both the sides.
摘要翻译：一种紧凑的摄影相机透镜系统，其具有短的整体长度，有利的校正像差，特别是偏离轴向像差和至少63°的场角，包括在物体侧具有凸面的第一正弯月透镜部件，第二双凹透镜部件，第三双凸透镜部件和第四负弯月透镜部件，所述第四透镜部件在两侧具有非球面。

6. 发明授权

US4635125A Real-time light-measuring system for single-lens reflex cameras 失效
标题翻译：单镜反光相机的实时光测系统
公开(公告)号：US4635125A
公开(公告)日：1987-01-06
申请号：US724336
申请日：1985-04-17
申请人： Shin-ichi Mihara , Toshihiro Imai , Kazuo Ikari , Toru Fujii
发明人： Shin-ichi Mihara , Toshihiro Imai , Kazuo Ikari , Toru Fujii
IPC分类号： G01J1/04 , H04N5/238
CPC分类号： G03B7/09974 , G03B7/09972
摘要： A light-measuring system for single-lens reflex cameras wherein the light coming from an object to be photographed as reflected at the image-pickup surface is reflected once again by a partially reflecting means disposed in the photographing light path, so that this latter reflection light is measured on its own optical axis, to enable to perform the real-time measurement of light with a high precision.
摘要翻译：用于单镜头反光相机的光测量系统，其中来自在图像拾取表面处反射的要拍摄的物体的光再次被设置在拍摄光路中的部分反射装置反射，使得后一反射光在其自己的光轴上测量，以便能够以高精度执行光的实时测量。

7. 发明授权

US4568151A Photographic lens system 失效
标题翻译：摄影镜头系统
公开(公告)号：US4568151A
公开(公告)日：1986-02-04
申请号：US592085
申请日：1984-03-22
申请人： Shin-ichi Mihara
发明人： Shin-ichi Mihara
IPC分类号： G02B9/34
CPC分类号： G02B9/34
摘要： A photographic lens system for compact cameras comprising a first positive meniscus lens component having a convex surface on the object side, a second lens component having negative refractive power, a third lens component having positive refractive power and a fourth negative meniscus lens component having a convex surface on the image side, at least one of said four lens components being a cemented doublet. Said photographic lens system has a relative aperture of F/2.8, aberrations corrected sufficiently favorably and a short total length.
摘要翻译：一种用于小型照相机的照相镜头系统，包括：在物体侧具有凸面的第一正弯月透镜部件，具有负屈光力的第二透镜部件，具有正屈光力的第三透镜部件和具有凸折角度的第四负弯月形透镜部件所述四个透镜组件中的至少一个是胶合双面胶。所述摄影透镜系统具有F / 2.8的相对孔径，足够有利地修正像差和短的总长度。

8. 发明授权

US4487484A Behind-stop Tesser type lens system 失效
标题翻译：后门Tesser型镜头系统
公开(公告)号：US4487484A
公开(公告)日：1984-12-11
申请号：US532150
申请日：1983-09-14
申请人： Shin-ichi Mihara
发明人： Shin-ichi Mihara
IPC分类号： G02B9/20
CPC分类号： G02B9/20
摘要： A behind-stop Tesser type lens system comprising a first lens component of a positive meniscus lens of which a convex surface is faced to the object-side, a second lens component of biconcave lens, and a third lens component of a cemented doublet comprising a negative meniscus lens and a biconvex lens and so arranged as to be compact and provided with a favorable image forming ability.
摘要翻译：一种后轮Tesser型透镜系统，包括凸面朝向物体侧的正弯月形透镜的第一透镜部件，双凹透镜的第二透镜部件和胶结双面镜的第三透镜部件，其包括负弯月透镜和双凸透镜，并且被布置为紧凑并且具有良好的图像形成能力。

9. 发明授权

US4749267A Large aperture ratio zoom lens system 失效
标题翻译：大孔径比变焦镜头系统
公开(公告)号：US4749267A
公开(公告)日：1988-06-07
申请号：US748396
申请日：1985-06-24
申请人： Shin-ichi Mihara
发明人： Shin-ichi Mihara
IPC分类号： G02B13/18 , G02B15/167 , G02B15/17 , G02B15/20 , G02B15/00
CPC分类号： G02B15/17
摘要： A large aperture ratio zoom lens system comprising a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having negative refractive power, and a fourth lens group comprising a front subgroup and a rear subgroup wherein the front subgroup comprises at least one negative lens component and the rear subgroup comprises at least one positive lens component, the large aperture ratio zoom lens system having at least one aspherical surface in the front subgroup, having a short overall length, a long back focal length, high resolving power and high performance, and being capable of coping with the use with an electronic image pick-up device.
摘要翻译：包括具有正折光力的第一透镜组，具有负屈光力的第二透镜组，具有负屈光力的第三透镜组和包括前子组和后子组的第四透镜组的大开口率变焦透镜系统，其中，所述前子组包括至少一个负透镜部件，所述后子组包括至少一个正透镜部件，所述大孔径比变焦透镜系统在所述前子组中具有至少一个非球面，具有短的总长度，长后焦距高分辨能力和高性能，并且能够应对电子图像拾取装置的使用。

10. 发明授权

US4629293A Zoom lens system 失效
标题翻译：变焦镜头系统
公开(公告)号：US4629293A
公开(公告)日：1986-12-16
申请号：US707869
申请日：1985-03-04
申请人： Shin-ichi Mihara
发明人： Shin-ichi Mihara
IPC分类号： G02B15/167 , G02B15/17 , G02B15/14
CPC分类号： G02B15/17
摘要： A high performance zoom lens system having a very large aperture ratio and a long back focal distance comprising a first lens group having a focusing function and positive power, a second lens group movable along the optical axis, and having a function mainly for varying focal length of said zoom lens system as a whole and negative power, a third lens group movable along the optical axis, and having a function mainly for correcting the image position and negative power, and a fourth relay lens group, said fourth lens group consisting of a front subgroup comprising three positive lens components and a negative lens component, and a rear subgroup comprising two positive lens components.
摘要翻译：一种具有非常大的开口率和长后焦距的高性能变焦透镜系统，包括具有聚焦功能和正光焦度的第一透镜组，可沿光轴移动的第二透镜组，并且具有主要用于改变焦距的功能所述变焦透镜系统作为整体和负电力，第三透镜组可沿着光轴移动，并且具有主要用于校正图像位置和负电力的功能，以及第四中继透镜组，所述第四透镜组由包括三个正透镜部件和负透镜部件的前子组，以及包括两个正透镜部件的后子组。

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