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1. 发明授权

US6078442A ND filter 失效
标题翻译： ND滤镜
公开(公告)号：US6078442A
公开(公告)日：2000-06-20
申请号：US64095
申请日：1998-04-22
申请人： Eijiroh Tada , Masakazu Yamagata , Shunichiro Wakamiya , Masayuki Arai , Toru Shikano , Takayasu Shishido
发明人： Eijiroh Tada , Masakazu Yamagata , Shunichiro Wakamiya , Masayuki Arai , Toru Shikano , Takayasu Shishido
IPC分类号： G02B5/20 , G02B5/22
CPC分类号： G02B5/205
摘要： In a concentric ND filter in which multi-layered circular ND filter elements whose diameter is decreased stepwise toward the uppermost layer from the lowermost layer are concentrically provided on a first transparent substrate, a surrounding space of the concentrically multi-layered ND filter elements defined by and between the surface of the transparent substrate and the surface of the central ND filter layer of the smallest diameter is filled with a transparent adhesive.
摘要翻译：在同心ND滤光器中，其直径从最下层向最上层逐步降低的多层圆形ND滤色器元件同心地设置在第一透明基板上，同心多层ND滤光元件的周围空间由并且透明基板的表面与最小直径的中央ND滤光层的表面之间填充有透明粘合剂。

2. 发明授权

US06683730B2 Variable-focus lens system 失效
标题翻译：变焦镜头系统
公开(公告)号：US06683730B2
公开(公告)日：2004-01-27
申请号：US10024227
申请日：2001-12-21
申请人： Sachiko Nasu , Eijiroh Tada
发明人： Sachiko Nasu , Eijiroh Tada
IPC分类号： G02B15177
CPC分类号： G02B15/177
摘要： A variable-focus lens system includes a negative front lens group, and a positive rear lens group. The focal length of the variable-focus lens system is varied by changing the distance between the front and said rear lens groups. The lens system satisfies the following conditions: −3.0
摘要翻译：可变焦距透镜系统包括负前透镜组和正后透镜组。通过改变前透镜组和后透镜组之间的距离来改变可变焦透镜系统的焦距。透镜系统满足以下条件：其中fx表示前透镜组的焦距小于零; fy表示后透镜组的焦距，其大于零; 并且F w表示整个可变焦距透镜系统在短焦距端的焦距。

3. 发明授权

US08120693B2 Imaging unit and mobile electronic device 有权
标题翻译：成像单元和移动电子设备
公开(公告)号：US08120693B2
公开(公告)日：2012-02-21
申请号：US12036459
申请日：2008-02-25
申请人： Hiroshi Nomura , Isao Okuda , Eijiroh Tada , Atsumi Kaneko
发明人： Hiroshi Nomura , Isao Okuda , Eijiroh Tada , Atsumi Kaneko
IPC分类号： G02B13/16 , H04N5/225
CPC分类号： G03B17/17 , G02B15/177 , G02B17/04 , G03B17/02 , H04M1/0214 , H04M1/0264 , H04N5/2253 , H04N5/2254 , H04N5/2257
摘要： An imaging unit including an image sensor, an incident-side prism, an exit-side prism, and an intermediate optical system positioned therebetween, wherein light incident on the incident-side prism passes through the incident-side prism, the intermediate optical system and the exit-side prism to be incident on the image sensor, the imaging unit includes a housing supporting the incident-side prism, the exit-side prism and the intermediate optical system such that incident and exit optical axes of the incident-side prism, an optical axis of the intermediate optical system, and incident and exit optical axes of the exit-side prism all lie on a common plane; and a cover board, on which the image sensor is mounted, fixed to the housing so that the image sensor faces an exit surface of the exit-side prism, the cover board closing an opening of the housing.
摘要翻译：一种成像单元，包括图像传感器，入射侧棱镜，出射侧棱镜和位于其间的中间光学系统，入射在入射侧棱镜上的光通过入射侧棱镜，中间光学系统和出射侧棱镜入射到图像传感器上，成像单元包括支撑入射侧棱镜，出射侧棱镜和中间光学系统的壳体，使得入射侧棱镜的入射光和出射光轴，中间光学系统的光轴，出射侧棱镜的入射光和出射光轴都位于公共平面上; 以及盖板，其上安装有图像传感器，固定到壳体，使得图像传感器面向出射侧棱镜的出射表面，盖板封闭壳体的开口。

4. 发明授权

US08098320B2 Imaging device 有权
标题翻译：成像设备
公开(公告)号：US08098320B2
公开(公告)日：2012-01-17
申请号：US12266799
申请日：2008-11-07
申请人： Hiroshi Nomura , Atsumi Kaneko , Isao Okuda , Eijiroh Tada
发明人： Hiroshi Nomura , Atsumi Kaneko , Isao Okuda , Eijiroh Tada
IPC分类号： H04N5/225
CPC分类号： H04N5/2252 , H04N5/2257
摘要： An imaging device includes a housing including first and second photographing apertures which are open toward opposite directions; an image pickup device provided in the housing; a main optical system forming incident light from the first photographing aperture onto an imaging surface of the image pickup device; and an insertable optical element movable between an insertion position in an optical path of a main optical system and a removed position out of the optical path of the main optical system, the insertable optical element constituting at least a part of a sub-optical system which forms incident light from the second photographing aperture onto the imaging surface when at the insertion position. When the insertable optical element is positioned in the insertion position, the sub-optical axis is offset from the main optical axis toward the removed position of the insertable optical element in the inserting/removing direction.
摘要翻译：一种成像装置包括：壳体，包括朝向相反方向开放的第一和第二拍摄孔; 设置在所述壳体中的图像拾取装置; 主光学系统，其将从所述第一拍摄孔径入射的光形成到所述图像拾取装置的成像表面上; 以及可插入光学元件，其可在主光学系统的光路中的插入位置与主光学系统的光路之间的去除位置之间移动，所述可插入光学元件构成副光学系统的至少一部分，当在插入位置时，将来自第二拍摄孔的入射光形成到成像表面上。当可插入光学元件位于插入位置时，副光轴在插入/移除方向上偏离主光轴朝向可插入光学元件的移除位置。

5. 发明授权

US08395854B2 Imaging optical system and imaging apparatus 有权
标题翻译：成像光学系统和成像设备
公开(公告)号：US08395854B2
公开(公告)日：2013-03-12
申请号：US13217623
申请日：2011-08-25
申请人： Yutaka Takakubo , Eijiroh Tada
发明人： Yutaka Takakubo , Eijiroh Tada
IPC分类号： G02B17/00
CPC分类号： G02B13/0065 , G02B13/0045
摘要： An imaging optical system, including an imaging lens group, an image side prism having an entrance surface a reflection surface and an exit surface from which light exits toward an image pickup device, and a first shielding member shielding at least a part of a region on the entrance surface, wherein the region on the entrance surface is located from an edge line of an apex between the entrance surface and the exit surface to a position corresponding to a height h from the edge line, and when L represents a length of the exit surface, α represents an angle formed between the reflection surface and the exit surface, n represents a refractive index of a surrounding area of the image side prism, and n′ represents a refractive index of the image side prism, the height h satisfies a following condition: h=L×cos {α+sin−1(n/n′)}.
摘要翻译：一种成像光学系统，包括成像透镜组，具有入射表面的反射表面的图像侧棱镜和光朝向图像拾取装置射出的出射表面，以及屏蔽至少一部分区域的第一屏蔽构件入射面，其中入射面上的区域从入射面和出射面的顶点的边缘线位于与边缘线对应的高度h的位置，并且当L表示出口的长度时表面，α表示在反射面和出射面之间形成的角度，n表示像侧棱镜的周围区域的折射率，n'表示像侧棱镜的折射率，高度h满足以下条件：h = L×cos {α+ sin-1（n / n'）}。

6. 发明授权

US08314995B2 Variable power optical system and imaging apparatus 有权
标题翻译：可变功率光学系统和成像设备
公开(公告)号：US08314995B2
公开(公告)日：2012-11-20
申请号：US13233378
申请日：2011-09-15
申请人： Eijiroh Tada
发明人： Eijiroh Tada
IPC分类号： G02B15/14
CPC分类号： G02B13/0065 , G02B13/009 , G02B15/163
摘要： A variable power optical system, including a fixed negative first lens group, a second positive lens group and a third positive lens group, wherein the first lens group includes a deflecting element arranged to bend an optical path, and when d12w denotes a distance between an image side principal point of the first lens group and an object side principal point of the second lens group at a short focal length end, d12t denotes a distance between the image side principal point of the first lens group and the object side principal point of the second lens group at a long focal length end, fw denotes a focal length of the optical system at the short focal length end, ft denotes a focal length of the optical system at the long focal length end, and f1 denotes a focal length of the first lens group, the optical system satisfies: 2.5
摘要翻译：一种可变功率光学系统，包括固定负第一透镜组，第二正透镜组和第三正透镜组，其中所述第一透镜组包括布置成弯曲光路的偏转元件，并且当d12w表示 d12t表示第一透镜组的像侧主点和第二透镜组在短焦距端的物体侧主点，d12t表示第一透镜组的像侧主点与物镜侧主点之间的距离第二透镜组在长焦距端，fw表示在短焦距端处的光学系统的焦距，ft表示在长焦距端处的光学系统的焦距，f1表示焦距第一透镜组，光学系统满足：2.5 <（d12w / d12t）/ |√{平方根（fw×ft）} / f1 | <4.0。

7. 发明授权

US07057804B2 Ultraviolet imaging system 失效
标题翻译：紫外成像系统
公开(公告)号：US07057804B2
公开(公告)日：2006-06-06
申请号：US10937376
申请日：2004-09-10
申请人： Eijiroh Tada , Takayuki Ito
发明人： Eijiroh Tada , Takayuki Ito
IPC分类号： G02B13/14 , G02B9/64
CPC分类号： G02B13/143
摘要： An ultraviolet imaging system includes at least two negative lens elements, and at least two positive lens elements. The ultraviolet imaging system satisfies the following conditions: −3
摘要翻译：紫外成像系统包括至少两个负透镜元件和至少两个正透镜元件。紫外成像系统满足以下条件：<？in-line-formula description =“In-line formula”end =“lead”？> -3 <？in-line-formula description =“In-line Formulas”end =“lead”？> 65 <？in-line-formula description =“In-line Formulas”end =“lead （i = 330）（i = 330）（i）330（i）330（N）<10（3）<？ description =“In-line Formulas”end =“tail”？>其中f（i = 330）表示整个紫外成像系统相对于波长“i”为330nm的焦距（基波长）; r 1表示最物体侧透镜元件的物体侧表面的曲率半径; nu（ALL）表示所有透镜元件的玻璃材料相对于d线的色散值的倒数; nu（i = 330）（P）表示对于正透镜元件，相对于330nm的波长的色散值的倒数; 而nu（i = 330）（N）表示对于负透镜元件，相对于330nm的波长的色散值的倒数。

8. 发明授权

US5861999A Super wide angel lens system using an aspherical lens 失效
标题翻译：超广角镜头系统采用非球面透镜
公开(公告)号：US5861999A
公开(公告)日：1999-01-19
申请号：US915603
申请日：1997-08-21
申请人： Eijiroh Tada
发明人： Eijiroh Tada
IPC分类号： G02B13/04 , G02B13/06 , G02B13/18
CPC分类号： G02B13/06
摘要： A retrofocus type super wide angle lens system includes a front lens group of negative power and a rear lens group of positive power, arranged in this order from the object side. The front lens group consists of a negative meniscus first lens element with a convex surface facing the object side and a second lens element having at least one aspherical surface, arranged in this order from the object side. The aspherical second lens element is shaped such that it forms a biconcave lens in the vicinity of the optical axis and forms a negative meniscus lens with a convex surface located on the object side at a peripheral portion thereof.
摘要翻译：反向焦点型超广角镜头系统包括从物体侧依次排列的负功率的前透镜组和正光焦度的后透镜组。前透镜组由具有朝向物体侧的凸面的负弯月面第一透镜元件和具有至少一个非球面的第二透镜元件组成，该物镜从物体侧依次排列。非球面第二透镜元件被成形为使得其在光轴附近形成双凹透镜，并且在其周边部分处形成具有位于物体侧的凸面的负弯月形透镜。

9. 发明授权

US08570668B2 Imaging optical system and imaging apparatus 有权
标题翻译：成像光学系统和成像设备
公开(公告)号：US08570668B2
公开(公告)日：2013-10-29
申请号：US13237238
申请日：2011-09-20
申请人： Yutaka Takakubo , Eijiroh Tada , Koichi Maruyama
发明人： Yutaka Takakubo , Eijiroh Tada , Koichi Maruyama
IPC分类号： G02B17/00
CPC分类号： G02B13/0065
摘要： An imaging optical system, which includes an imaging lens group having at least one lens, and an image side prism that bends light which has passed through the imaging lens group toward an image pickup device arranged at a predetermined position, and wherein the image side prism includes a reflection surface which reflects, toward the image pickup device, incident light proceeding from the imaging lens group and an exit surface from which light reflected from the reflection surface emerges, and wherein the image side prism has a cut surface formed by cutting off a vertex portion between the reflection surface and the exit surface such that a whole normal light incident area within which normal light is incident on the reflection surface remains, and the cut surface is a non-diffusing surface.
摘要翻译：一种成像光学系统，其包括具有至少一个透镜的成像透镜组和将已经通过成像透镜组的光朝向布置在预定位置的图像拾取装置弯曲的图像侧棱镜，并且其中所述图像侧棱镜包括反射面，朝向图像拾取装置反射从成像透镜组行进的入射光和从反射面反射的光的出射面，其中，图像侧棱镜具有通过切断形成的切割面在反射面和出射面之间的顶点部分，使得其中正常光入射到反射面上的整个正常光入射区域保留，并且切割表面是非扩散表面。

10. 发明授权

US08107004B2 Imaging device 有权
标题翻译：成像设备
公开(公告)号：US08107004B2
公开(公告)日：2012-01-31
申请号：US12036486
申请日：2008-02-25
申请人： Hiroshi Nomura , Isao Okuda , Eijiroh Tada , Atsumi Kaneko
发明人： Hiroshi Nomura , Isao Okuda , Eijiroh Tada , Atsumi Kaneko
IPC分类号： H04N5/225
CPC分类号： G02B7/102 , G02B13/0065 , G02B13/007 , G02B13/009 , G02B17/0856 , H04N5/2251 , H04N5/2253 , H04N5/2254 , H04N5/2257 , H04N2007/145
摘要： An imaging device includes an imaging optical system including at least one movable optical element; an image sensor, an imaging surface of which lies on an image-forming plane of the imaging optical system; a circuit board on which the image sensor is mounted; and an image processing circuit for processing an image signal output from the image sensor and a drive circuit for the movable optical element, both of the image processing circuit and the drive circuit are mounted on the circuit board. The image processing circuit and the drive circuit are disposed on the circuit board in that order from a side closer to the image sensor.
摘要翻译：一种成像装置包括：成像光学系统，包括至少一个可移动光学元件; 图像传感器，其成像表面位于成像光学系统的图像形成平面上; 安装有图像传感器的电路板; 以及用于处理从图像传感器输出的图像信号和用于可移动光学元件的驱动电路的图像处理电路，图像处理电路和驱动电路均安装在电路板上。图像处理电路和驱动电路从靠近图像传感器的一侧依次布置在电路板上。

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