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21. 发明申请

US20080278824A1 Image pickup apparatus having optical path reflecting zoom lens system 有权
标题翻译：具有光路反射变焦透镜系统的摄像装置
公开(公告)号：US20080278824A1
公开(公告)日：2008-11-13
申请号：US12148802
申请日：2008-04-21
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/16
CPC分类号： G02B15/173 , G02B13/16
摘要： An image pickup apparatus having an optical path reflecting zoom lens system includes a zoom lens system, and an image pickup element which is disposed at an image side of the zoom lens system. The zoom lens system includes in order from an object side thereof a first lens unit G1 having a positive refracting power, which includes a reflecting optical member having a reflecting surface which reflects an optical path, a second lens unit G2 having a negative refracting power, a third lens unit G3 having a positive refracting power, a fourth lens unit G4 having a positive refracting power, and an aperture stop S which is disposed between the second lens unit G2 and the fourth lens unit G4. The first lens unit G1 has a position fixed with respect to a position of the image pickup element. At least the second lens unit G2 and the fourth lens unit G4 move and the zooming is carried out from a wide angle end to a telephoto end by changing a distance between each of lens units. The second lens unit G2 includes in order from the object side thereof, a negative lens, a positive lens, and a negative lens.
摘要翻译：具有光路反射变焦透镜系统的图像拾取装置包括变焦透镜系统和设置在变焦透镜系统的像侧的图像拾取元件。变焦透镜系统从物体侧依次包括具有正折射率的第一透镜单元G 1，其包括具有反射光路的反射表面的反射光学构件，具有负折射率的第二透镜单元G 2 具有正折射率的第三透镜单元G 3，具有正折射率的第四透镜单元G 4和设置在第二透镜单元G 2和第四透镜单元G 4之间的孔径光阑S. 第一透镜单元G 1具有相对于图像拾取元件的位置固定的位置。至少第二透镜单元G 2和第四透镜单元G 4移动，并且通过改变每个透镜单元之间的距离，从广角端到望远端进行变焦。第二透镜单元G 2从物体侧依次包括负透镜，正透镜和负透镜。

22. 发明授权

US07110187B2 Zoom lens and electronic imaging apparatus using the same 有权
标题翻译：变焦镜头和使用其的电子成像设备
公开(公告)号：US07110187B2
公开(公告)日：2006-09-19
申请号：US11254775
申请日：2005-10-21
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/14
CPC分类号： G02B15/177
摘要： A zoom lens in which when the magnification is changed in the range from a wide-angle position to a telephoto position in infinite object point focusing, spacing between a first lens unit, with negative refractive power as a whole, having a negative lens and a positive lens, and a second lens unit, with positive refractive power as whole, having a positive lens and a cemented lens component constructed with a positive lens and a negative lens, is narrowed and spacing between the second lens unit and a third lens unit, a single positive lens component, is widened, and the zoom lens satisfies the following condition: 2.1
摘要翻译：一种变焦透镜，其中当在无限物体点聚焦中从广角位置变化到远摄位置的范围内变化时，具有负透镜的第一透镜单元与负折射光焦度的整体间隔，具有正透镜和正透镜和负透镜构成的胶合透镜部件的具有整个正屈光力的第二透镜单元和第二透镜单元变窄，并且第二透镜单元和第三透镜单元之间的间隔，单个正透镜部件被加宽，并且变焦透镜满足以下条件：2.1 <|β2T| <2.8其中β2T是无限物体点聚焦中的远摄位置处的第二透镜单元整体的放大倍数。

23. 发明授权

US07061684B2 Finder optical system and camera provided with the same 失效
标题翻译： Finder光学系统和相机提供的相机
公开(公告)号：US07061684B2
公开(公告)日：2006-06-13
申请号：US10835321
申请日：2004-04-30
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B25/00 , G03B13/02
CPC分类号： G02B25/001 , G02B23/14
摘要： An observation optical system of the present invention comprises an image erect optical system and an eyepiece optical system for observing an object image. The eyepiece optical system comprises a positive single lens having double convex surfaces and a negative meniscus lens having a concave surface directed toward eye point side, and the following condition is satisfied: 0
摘要翻译：本发明的观察光学系统包括图像直立光学系统和用于观察物体图像的目镜光学系统。目镜光学系统包括具有双凸面的正单透镜和具有朝向眼点侧的凹面的负凹凸透镜，并且满足以下条件：<线内公式描述=“在线公式” end =“lead”？> 0 <？in-line-formula description =“In-line Formulas”end =“lead”？> 0.05 其中S =（r1-r2）/（r1 + r2） r1是负弯月形透镜的物体像侧面的曲率半径，r2是负弯月形透镜的眼点侧面的曲率半径，d1是正单透镜与负弯液面之间的空气间隔的距离如果空间变化，则表示观测光学系统的屈光度的空气距离被调整为-0.8（m -1）的透镜，f是目镜的焦距光学系统。

24. 发明授权

US07684122B2 Zoom lens and imaging system using the same 有权
标题翻译：变焦镜头和成像系统使用相同
公开(公告)号：US07684122B2
公开(公告)日：2010-03-23
申请号：US11901171
申请日：2007-09-13
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/14 , G02B17/00
CPC分类号： G02B15/173
摘要： The invention relates to a zoom lens that enables an optical path to be easily bent by a reflecting optical element, has a wide-angle design and high optical performance as represented by a high zoom ratio of about 3.4, is extremely slimmed down in the depth direction, and costs less. The zoom lens comprises a positive first lens group G1, a negative second lens group G2, a positive third lens group G3, a positive fourth lens group G4 and a negative fifth lens group G5. Upon zooming from the wide-angle end to the telephoto end, the first lens group G1 remains substantially fixed with respect to an image plane I, and at least the second G2 and the fourth lens group G4 move. The first lens group G1 includes a reflecting optical element for bending the optical path involved, and a portion of the first lens group G1 on an object side with respect to the reflecting surface has negative refracting power. The zoom lens satisfies condition (1) with respect to the focal length of the fifth lens group G5.
摘要翻译：本发明涉及一种能够使光路容易被反射光学元件弯曲的变焦透镜，具有广角设计和高光学性能，由高3.4倍的高变焦比表示，在深度方面极其薄弱方向，成本较低。变焦透镜包括正的第一透镜组G1，负的第二透镜组G2，正的第三透镜组G3，正的第四透镜组G4和负的第五透镜组G5。当从广角端到望远端变焦时，第一透镜组G1相对于图像平面I保持大致固定，并且至少第二G2和第四透镜组G4移动。第一透镜组G1包括用于弯曲所涉及的光路的反射光学元件，并且相对于反射面的物体侧的第一透镜组G1的一部分具有负的折射光焦度。变焦透镜相对于第五透镜组G5的焦距满足条件（1）。

25. 发明授权

US07643223B2 Image pickup apparatus having optical path reflecting zoom lens system 有权
标题翻译：具有光路反射变焦透镜系统的摄像装置
公开(公告)号：US07643223B2
公开(公告)日：2010-01-05
申请号：US12148802
申请日：2008-04-21
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/14 , G02B17/00
CPC分类号： G02B15/173 , G02B13/16
摘要： An image pickup apparatus having an optical path reflecting zoom lens system includes a zoom lens system, and an image pickup element which is disposed at an image side of the zoom lens system. The zoom lens system includes in order from an object side thereof a first lens unit G1 having a positive refracting power, which includes a reflecting optical member having a reflecting surface which reflects an optical path, a second lens unit G2 having a negative refracting power, a third lens unit G3 having a positive refracting power, a fourth lens unit G4 having a positive refracting power, and an aperture stop S which is disposed between the second lens unit G2 and the fourth lens unit G4. The first lens unit G1 has a position fixed with respect to a position of the image pickup element. At least the second lens unit G2 and the fourth lens unit G4 move and the zooming is carried out from a wide angle end to a telephoto end by changing a distance between each of lens units. The second lens unit G2 includes in order from the object side thereof, a negative lens, a positive lens, and a negative lens.
摘要翻译：具有光路反射变焦透镜系统的图像拾取装置包括变焦透镜系统和设置在变焦透镜系统的像侧的图像拾取元件。变焦透镜系统从物体侧依次包括具有正折射率的第一透镜单元G1，其包括具有反射光路的反射面的反射光学构件，具有负折射光焦度的第二透镜单元G2，具有正折射率的第三透镜单元G3，具有正折射率的第四透镜单元G4和设置在第二透镜单元G2和第四透镜单元G4之间的孔径光阑S. 第一透镜单元G1具有相对于图像拾取元件的位置固定的位置。至少第二透镜单元G2和第四透镜单元G4移动，并且通过改变每个透镜单元之间的距离，从广角端到望远端进行变焦。第二透镜单元G2从其物体侧依次包括负透镜，正透镜和负透镜。

26. 发明申请

US20090002840A1 Zoom lens and imaging system using the same 有权
标题翻译：变焦镜头和成像系统使用相同
公开(公告)号：US20090002840A1
公开(公告)日：2009-01-01
申请号：US11901171
申请日：2007-09-13
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/16
CPC分类号： G02B15/173
摘要： The invention relates to a zoom lens that enables an optical path to be easily bent by a reflecting optical element, has a wide-angle design and high optical performance as represented by a high zoom ratio of about 3.4, is extremely slimmed down in the depth direction, and costs less. The zoom lens comprises a positive first lens group G1, a negative second lens group G2, a positive third lens group G3, a positive fourth lens group G4 and a negative fifth lens group G5. Upon zooming from the wide-angle end to the telephoto end, the first lens group G1 remains substantially fixed with respect to an image plane I, and at least the second G2 and the fourth lens group G4 move. The first lens group G1 includes a reflecting optical element for bending the optical path involved, and a portion of the first lens group G1 on an object side with respect to the reflecting surface has negative refracting power. The zoom lens satisfies condition (1) with respect to the focal length of the fifth lens group G5.
摘要翻译：本发明涉及一种使光路容易被反射光学元件弯曲的变焦透镜，具有广角设计和高光学性能，如高3.4倍的高变焦倍率，在深度方面极其薄弱方向，成本较低。变焦透镜包括正的第一透镜组G1，负的第二透镜组G2，正的第三透镜组G3，正的第四透镜组G4和负的第五透镜组G5。当从广角端到望远端变焦时，第一透镜组G1相对于图像平面I保持大致固定，并且至少第二G2和第四透镜组G4移动。第一透镜组G1包括用于弯曲所涉及的光路的反射光学元件，并且相对于反射面的物体侧的第一透镜组G1的一部分具有负的折射光焦度。变焦透镜相对于第五透镜组G5的焦距满足条件（1）。

27. 发明授权

US07411741B2 Zoom lens system including reflective surface which reflects optical path and image pickup apparatus including the system 有权
标题翻译：变焦透镜系统包括反射光路的反射面和包括该系统的摄像装置
公开(公告)号：US07411741B2
公开(公告)日：2008-08-12
申请号：US11900718
申请日：2007-09-12
申请人： Masahiro Katakura , Eiji Shirota
发明人： Masahiro Katakura , Eiji Shirota
IPC分类号： G02B15/14
CPC分类号： G02B15/173 , G02B5/04 , G02B5/281
摘要： There is disclosed a zoom lens system including, in order from an object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power and a fourth lens unit having a positive refractive power, and further including an aperture stop S disposed between the second lens unit and the third lens unit, during zooming from a wide-angle end to a telephoto end, a space between the lens units is changed, the first lens unit includes a single lens having a negative refractive power, a reflective optical element having a reflective surface which reflects an optical path and a sub unit having a positive refractive power, and the zoom lens system satisfies predetermined conditions.
摘要翻译：公开了一种变焦透镜系统，其从物体侧依次包括具有正折光力的第一透镜单元，具有负屈光力的第二透镜单元，具有正折光力的第三透镜单元和第四透镜单元具有正的屈光力，并且还包括设置在第二透镜单元和第三透镜单元之间的孔径光阑S，在从广角端到望远端的变焦期间，透镜单元之间的空间改变，第一透镜单元包括具有负屈光力的单个透镜，具有反射光路的反射表面的反射光学元件和具有正折光力的子单元，并且变焦透镜系统满足预定条件。

28. 发明申请

US20080088943A1 Electronic image pickup apparatus 有权
标题翻译：电子摄像装置
公开(公告)号：US20080088943A1
公开(公告)日：2008-04-17
申请号：US11901195
申请日：2007-09-13
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/177
CPC分类号： G02B15/177
摘要： An electronic image pickup apparatus comprising a zoom lens system and an image pickup device disposed on an image side of the zoom lens system and which converts an image formed by the zoom lens system into an electric signal, the zoom lens system having, in order from an object side, a negative first lens unit, a positive second lens unit, a negative third lens unit, and a positive fourth lens unit, the first lens unit having, in order from the object side, a negative lens and a reflective optical element which reflects an optical path, and during zooming from a wide-angle end to a telephoto end, each space between the lens units which are adjacent with each other being changed, the first lens unit being arranged in a fixed position to the image pickup device, and at least the second lens unit and the third lens unit being moved.
摘要翻译：一种电子摄像装置，包括变焦透镜系统和设置在变焦透镜系统的像侧的图像拾取装置，并且将由变焦透镜系统形成的图像转换为电信号，该变焦透镜系统具有从物体侧，负第一透镜单元，正第二透镜单元，负第三透镜单元和正第四透镜单元，第一透镜单元从物体侧依次具有负透镜和反射光学元件其反射光路，并且在从广角端到望远端的变焦期间，彼此相邻的透镜单元之间的每个空间都改变，第一透镜单元布置在图像拾取装置的固定位置并且至少第二透镜单元和第三透镜单元被移动。

29. 发明申请

US20060279853A1 Optical path bending type zoom lens system and image taking apparatus including the same 有权
公开(公告)号：US20060279853A1
公开(公告)日：2006-12-14
申请号：US11449699
申请日：2006-06-09
申请人： Masaru Morooka , Eiji Shirota , Hirohiko Kimata
发明人： Masaru Morooka , Eiji Shirota , Hirohiko Kimata
IPC分类号： G02B15/14
CPC分类号： G02B15/173 , G02B5/04
摘要： A zoom lens system comprises, in order from an object side, a positive first lens unit including a reflective optical element, a negative second lens unit, a positive third lens unit and a positive fourth lens unit, or a positive first lens unit, a negative second lens unit, a positive third lens unit, a negative fourth lens unit and a positive fifth lens unit. During zooming from a wide-angle end toward a telephoto end, the first lens unit is fixed, at least the second and third lens units move, and a space between the lens units changes. The second lens unit is positioned closer to an image-surface side in the telephoto end than in the wide-angle end, and the third lens unit is positioned closer to the object side in the telephoto end than in the wide-angle end. An image taking apparatus including the zoom lens system is also disclosed.

30. 发明授权

US08270090B2 Zoom lens and image pickup apparatus equipped with same 有权
标题翻译：变焦镜头和配备相机的摄像设备
公开(公告)号：US08270090B2
公开(公告)日：2012-09-18
申请号：US12590617
申请日：2009-11-10
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/14 , G02B17/00
CPC分类号： G02B15/173
摘要： A zoom lens includes, in order from the object side thereof, a first lens unit having a positive refracting power, a second lens unit having a negative refracting power, a third lens unit having a positive refracting power, a fourth lens unit having a positive refracting power, and a fifth lens unit having a negative refracting power. During zooming from the wide angle end to the telephoto end, the first lens unit and the third lens unit are kept stationary with respect to the image plane, and at least the second lens unit and the fourth lens unit move. The first lens unit includes, in order from the object side, a first sub unit having a negative refracting power, a reflecting optical element that bends an optical path by reflection, and a second sub unit having a positive refracting power. The second sub unit includes a cemented lens.
摘要翻译：变焦透镜从其物体侧依次包括具有正折射率的第一透镜单元，具有负折射力的第二透镜单元，具有正折射率的第三透镜单元，具有正折射率的第四透镜单元折射力，以及具有负折射率的第五透镜单元。在从广角端到长焦端的变焦期间，第一透镜单元和第三透镜单元相对于像面保持静止，并且至少第二透镜单元和第四透镜单元移动。第一透镜单元从物体依次包括具有负折射力的第一子单元，通过反射弯曲光路的反射光学元件和具有正折射率的第二子单元。第二子单元包括胶合透镜。

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