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31. 发明授权

US08169714B2 Two-unit zoom lens system and image pickup apparatus using the same 有权
标题翻译：两单位变焦镜头系统和使用其的摄像装置
公开(公告)号：US08169714B2
公开(公告)日：2012-05-01
申请号：US12798950
申请日：2010-04-13
申请人： Akiyoshi Tochigi , Yasutaka Kashiki , Eiji Shirota
发明人： Akiyoshi Tochigi , Yasutaka Kashiki , Eiji Shirota
IPC分类号： G02B15/14
CPC分类号： G02B15/177 , G02B13/18
摘要： A two-unit zoom lens system which forms an image on an image pickup surface, includes in order from an object side to an image side, a first lens unit G1 having a negative refracting power and a second lens unit G2 having a positive refracting power. At the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit is narrowed. The first lens unit includes in order from the object side to the image side, a first lens having a negative refracting power, a second lens having a negative refracting power, and a third lens having a positive refracting power, and the two-unit zoom lens system satisfies predetermined conditional expressions.
摘要翻译：在图像拾取表面上形成图像的双单位变焦透镜系统包括从物体侧到像侧的顺序，具有负折射力的第一透镜单元G1和具有正折射率的第二透镜单元G2 。在从广角端到远摄端的变焦时，第一透镜单元与第二透镜单元之间的距离变窄。第一透镜单元从物体侧到像侧依次包括具有负折射率的第一透镜，具有负折射光焦度的第二透镜和具有正折射率的第三透镜，并且两单位变焦透镜系统满足预定条件表达式。

32. 发明授权

US08130452B2 Electronic image pickup apparatus 有权
标题翻译：电子摄像装置
公开(公告)号：US08130452B2
公开(公告)日：2012-03-06
申请号：US12804744
申请日：2010-07-27
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/14
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。

33. 发明授权

US07791817B2 Electronic image pickup apparatus 有权
公开(公告)号：US07791817B2
公开(公告)日：2010-09-07
申请号：US11901195
申请日：2007-09-13
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/14
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.

34. 发明授权

US07593168B2 Zoom lens and imaging apparatus using the same 有权
标题翻译：变焦镜头和使用其的成像装置
公开(公告)号：US07593168B2
公开(公告)日：2009-09-22
申请号：US11985817
申请日：2007-11-16
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： G02B15/14
CPC分类号： G02B15/173
摘要： The present invention relates to a low-cost zoom lens which has high optical performance specifications such as a wide angle of view and a high zoom ratio of as high as 5, is extremely small in depth and ensures that the optical path of the optical system can easily be bent by a reflecting optical element. A zoom lens includes a first lens group G1 with a positive power, a second lens group G2 with a negative power, a third lens group G3 with a positive power, a fourth lens group G4 with a positive power, a fifth lens group G5 with a negative power, and a sixth lens group G6 with a positive power, wherein upon zooming from a wide-angle end to telephoto end, the first lens group G1 remains fixed relative to an image surface I and at least second and fourth lens groups G2 and G4 move, the first lens group G1 includes, in order from the object side, a negative lens, a reflecting optical element P for bending an optical path, and a positive lens, and conditional expression (1) is satisfied.
摘要翻译：本发明涉及一种具有高视角的高光学性能规格和高达5倍的高变焦比的低成本变焦镜头，其深度非常小，并且确保光学系统的光路可以容易地被反射光学元件弯曲。变焦透镜包括具有正光焦度的第一透镜组G1，具有负光焦度的第二透镜组G2，具有正光焦度的第三透镜组G3，具有正光焦度的第四透镜组G4，具有正光焦度的第五透镜组G5 负功率和具有正功率的第六透镜组G6，其中，从广角端到望远端变焦时，第一透镜组G1相对于图像表面I保持固定，并且至少第二和第四透镜组G2 并且G4移动时，第一透镜组G1从物体依次包括负透镜，用于弯曲光路的反射光学元件P和正透镜，并且满足条件表达式（1）。

35. 发明授权

US07502171B2 Optical path bending type zoom lens system and image taking apparatus including the same 有权
标题翻译：光路弯曲型变焦透镜系统及包括其的摄像装置
公开(公告)号：US07502171B2
公开(公告)日：2009-03-10
申请号：US12080690
申请日：2008-04-03
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.
摘要翻译：变焦透镜系统从物体的顺序依次包括：包括反射型光学元件的正的第一透镜单元，负的第二透镜单元，正的第三透镜单元和正的第四透镜单元，或正的第一透镜单元，负第二透镜单元，正三透镜单元，负第四透镜单元和正五透镜单元。在从广角端向望远端变焦时，第一透镜单元是固定的，至少第二和第三透镜单元移动，并且透镜单元之间的空间变化。第二透镜单元位于距摄像端的图像侧更靠近广角端，并且第三透镜单元位于距望远端的物体侧更靠近广角端。还公开了包括变焦透镜系统的摄像装置。

36. 发明申请

US20080198474A1 Optical path bending type zoom lens system and image taking apparatus including the same 有权
公开(公告)号：US20080198474A1
公开(公告)日：2008-08-21
申请号：US12080690
申请日：2008-04-03
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.

37. 发明申请

US20080143867A1 Zoom lens and imaging apparatus using the same 有权
标题翻译：变焦镜头和使用其的成像装置
公开(公告)号：US20080143867A1
公开(公告)日：2008-06-19
申请号：US11985817
申请日：2007-11-16
申请人： Eiji Shirota
发明人： Eiji Shirota
IPC分类号： H04N5/232
CPC分类号： G02B15/173
摘要： The present invention relates to a low-cost zoom lens which has high optical performance specifications such as a wide angle of view and a high zoom ratio of as high as 5, is extremely small in depth and ensures that the optical path of the optical system can easily be bent by a reflecting optical element. A zoom lens includes a first lens group G1 with a positive power, a second lens group G2 with a negative power, a third lens group G3 with a positive power, a fourth lens group G4 with a positive power, a fifth lens group G5 with a negative power, and a sixth lens group G6 with a positive power, wherein upon zooming from a wide-angle end to telephoto end, the first lens group G1 remains fixed relative to an image surface I and at least second and fourth lens groups G2 and G4 move, the first lens group G1 includes, in order from the object side, a negative lens, a reflecting optical element P for bending an optical path, and a positive lens, and conditional expression (1) is satisfied.
摘要翻译：本发明涉及一种具有高视角的高光学性能规格和高达5倍的高变焦比的低成本变焦镜头，其深度非常小，并且确保光学系统的光路可以容易地被反射光学元件弯曲。变焦透镜包括具有正光焦度的第一透镜组G 1，具有负光焦度的第二透镜组G 2，具有正光焦度的第三透镜组G 3，具有正光焦度的第四透镜组G 4，具有负功率的透镜组G 5和具有正光焦度的第六透镜组G 6，其中在从广角端到远摄端的变焦时，第一透镜组G 1相对于图像表面I保持固定，并且在最少的第二和第四透镜组G 2和G 4移动，第一透镜组G 1从物体侧依次包括负透镜，用于弯曲光路的反射光学元件P和正透镜，以及条件表达式（1）被满足。

38. 发明授权

US07372635B2 Optical path bending type zoom lens system and image taking apparatus including the same 有权
标题翻译：光路弯曲型变焦透镜系统及包括其的摄像装置
公开(公告)号：US07372635B2
公开(公告)日：2008-05-13
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.
摘要翻译：变焦透镜系统从物体的顺序依次包括：包括反射型光学元件的正的第一透镜单元，负的第二透镜单元，正的第三透镜单元和正的第四透镜单元，或正的第一透镜单元，负第二透镜单元，正三透镜单元，负第四透镜单元和正五透镜单元。在从广角端向望远端变焦时，第一透镜单元是固定的，至少第二和第三透镜单元移动，并且透镜单元之间的空间变化。第二透镜单元位于距摄像端的图像侧更靠近广角端，并且第三透镜单元位于距望远端的物体侧更靠近广角端。还公开了包括变焦透镜系统的摄像装置。

39. 发明申请

US20080080063A1 Zoom lens system including reflective surface which reflects optical path and image pickup apparatus including the system 有权
公开(公告)号：US20080080063A1
公开(公告)日：2008-04-03
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.

40. 发明申请

US20060181782A1 ZOOM LENS AND ELECTRONIC IMAGING APPARATUS USING THE SAME 有权
标题翻译：使用相机的变焦镜头和电子成像装置
公开(公告)号：US20060181782A1
公开(公告)日：2006-08-17
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 includes, in order from the object side toward the image side, a first lens unit with negative refracting power as a whole, having a negative lens and a positive lens; a second lens unit with positive refracting power as a whole, having a positive lens and a cemented lens component constructed with a positive lens and a negative lens; and a third lens unit having a single positive lens component. The image-side surface of the negative lens of the first lens unit is configured as a concave surface so that the absolute value of power of the concave surface is larger than that of power of the object-side surface of the negative lens. The first lens unit has at least one aspherical surface, and the second lens unit is constructed so that at least two surfaces, excluding a cemented surface between the positive lens and the negative lens constituting the cemented lens component, are aspherical. When the magnification of the zoom lens is changed in the range from a wide-angle position to a telephoto position in infinite object point focusing, spacing between the first lens unit and the second lens unit is narrowed and spacing between the second lens unit and the third lens unit is widened, and the zoom lens satisfies the following condition: 2.1
摘要翻译：变焦透镜从物体侧朝向像侧依次包括具有负折射率的第一透镜单元，具有负透镜和正透镜; 整体具有正折射率的第二透镜单元，具有正透镜和由正透镜和负透镜构成的胶合透镜部件; 以及具有单个正透镜部件的第三透镜单元。第一透镜单元的负透镜的像侧表面被构造为凹面，使得凹面的功率的绝对值大于负透镜的物体侧表面的功率的绝对值。第一透镜单元具有至少一个非球面，并且第二透镜单元被构造成使得除了构成粘合透镜部件的正透镜和负透镜之间的胶合表面以外的至少两个表面是非球面的。当在无限物体聚焦中从变焦镜头的广角位置到望远位置的范围内变化时，第一透镜单元与第二透镜单元之间的间隔变窄，第二透镜单元与第二透镜单元之间的间隔第三透镜单元被加宽，并且变焦透镜满足以下条件：<？in-line-formula description =“In-line formula”end =“lead”？> 2.1 <| beta2T | <2.8 < 公式描述=“在线公式”end =“tail”？>其中beta2T是无限物体点聚焦在远摄位置处的第二透镜单元的整体的放大率。

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