专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

41. 发明授权

US5293535A Eye direction detecting device 失效
标题翻译：眼睛检测装置
公开(公告)号：US5293535A
公开(公告)日：1994-03-08
申请号：US981384
申请日：1992-11-25
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： A61B3/113 , A61B3/10 , G02B13/02 , G02B27/28 , G03B13/06 , G03B7/00
CPC分类号： G03B13/06 , G03B2213/025
摘要： An eye direction detecting device includes a light emitting optical system, which emits detecting light through a first optical path to be made incident upon an eye. A polarization beam splitter provided in the first optical path of the detecting light generates a second optical path. A light receiving optical system is provided in the second optical path, and a 1/4 wave plate is provided between the polarization beam splitter and the eye, so that light emitted from the light source can be effectively received by a light receiving element.
摘要翻译：眼睛方向检测装置包括发射光学系统，其通过第一光路发射检测光以入射到眼睛上。设置在检测光的第一光路中的偏振光束分离器产生第二光路。在第二光路中设置有光接收光学系统，并且在偏振光束分离器和眼睛之间设置1/4波片，从而可以由光接收元件有效地接收从光源发射的光。

42. 发明授权

US07903348B2 Rear-focus optical system, imaging apparatus and method for focusing the same 有权
标题翻译：后聚焦光学系统，成像装置和聚焦方法
公开(公告)号：US07903348B2
公开(公告)日：2011-03-08
申请号：US12388571
申请日：2009-02-19
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： G02B9/06 , G02B9/04
CPC分类号： G03B17/02 , Y10T29/49826
摘要： Providing a compact rear-focus optical system having excellent optical performance, an imaging apparatus, and a method for focusing the rear-focus optical system. The system includes, in order from an object, a first lens group G1 having positive refractive power, an aperture stop S, and a second lens group G2. At least a portion of the second lens group G2 is movable along an optical axis of the rear-focus optical system upon focusing. Given conditional expressions are satisfied.
摘要翻译：提供具有优异光学性能的紧凑型后聚焦光学系统，成像装置和用于聚焦后焦点光学系统的方法。该系统按照从物体起依次包括具有正屈光力的第一透镜组G1，孔径光阑S和第二透镜组G2。第二透镜组G2的至少一部分在聚焦时可沿着后聚焦光学系统的光轴移动。给定条件表达式是满意的。

43. 发明授权

US07333273B2 Zoom lens system, imaging apparatus and method for varying focal length 有权
标题翻译：变焦镜头系统，成像设备和焦距变化方法
公开(公告)号：US07333273B2
公开(公告)日：2008-02-19
申请号：US11686106
申请日：2007-03-14
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： G02B15/14
CPC分类号： G02B15/177
摘要： Providing a zoom lens system capable of obtaining higher optical performance, an imaging apparatus, and a method for varying a focal length of the zoom lens system. The system includes, in order from an object: a first lens group having negative refractive power; a second lens group having positive refractive power; a third lens group having negative refractive power; and a fourth lens group having positive refractive power. Upon zooming from a wide-angle end state to a telephoto end state, each lens group moves along an optical axis such that a distance between the first and second lens groups decreases, a distance between the second and third lens groups increases, and the distance between the third and fourth lens groups decreases; and the first lens group includes a negative lens, at least one lens in the negative lens includes an aspherical surface, and the negative lens satisfies given conditionals.
摘要翻译：提供能够获得更高光学性能的变焦透镜系统，成像装置和改变变焦透镜系统的焦距的方法。该系统从物体的顺序包括：具有负屈光力的第一透镜组; 具有正屈光力的第二透镜组; 具有负屈光力的第三透镜组; 以及具有正屈光力的第四透镜组。在从广角端状态变焦到望远端状态时，每个透镜组沿着光轴移动，使得第一和第二透镜组之间的距离减小，第二和第三透镜组之间的距离增加，并且距离在第三和第四透镜组之间减小; 并且第一透镜组包括负透镜，负透镜中的至少一个透镜包括非球面，并且负透镜满足给定条件。

44. 发明授权

US07126759B2 Zoom lens system 有权
标题翻译：变焦镜头系统
公开(公告)号：US07126759B2
公开(公告)日：2006-10-24
申请号：US10892169
申请日：2004-07-16
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： G02B15/14
CPC分类号： G02B15/177
摘要： A super-wide zoom lens system having sufficient zoom ratio and a high speed, capable of obtaining high optical performance. The system includes at least, in order from an object, a first lens group G1 having negative refractive power, and a second lens group G2 having positive refractive power. When zooming from a wide-angle end state to a telephoto end state, a distance between the first lens group G1 and the second lens group G2 varies. The first lens group G1 includes at least one negative lens element and a glass material constructing at least one negative lens element (SL1) in the first group G1 satisfies given conditions.
摘要翻译：具有足够的变焦比和高速度的能够获得高光学性能的超广角变焦透镜系统。该系统至少按照物体的顺序包括具有负折光力的第一透镜组G 1和具有正折光力的第二透镜组G 2。当从广角端状态变焦到望远端状态时，第一透镜组G 1和第二透镜组G 2之间的距离变化。第一透镜组G 1包括至少一个负透镜元件和构成第一组G 1中的至少一个负透镜元件（SL 1）的玻璃材料满足给定条件。

45. 发明授权

US06714244B1 Internal indication of a viewfinder of a camera 失效
标题翻译：相机取景器的内部指示
公开(公告)号：US06714244B1
公开(公告)日：2004-03-30
申请号：US09373721
申请日：1999-08-13
申请人： Tatsuhide Takebayashi , Takayuki Sensui
发明人： Tatsuhide Takebayashi , Takayuki Sensui
IPC分类号： H04N5222
CPC分类号： G03B13/24 , G03B17/20 , G03B19/12 , H04N5/23212 , H04N5/23293
摘要： An internal indicator of a viewfinder of a camera includes a viewfinder optical system which includes a focusing screen on which an object image is formed through a photographic optical system of the camera; at least one optical deflector that is positioned on or in the close vicinity of the focusing screen and is provided with at least one deflecting surface; and at least two light emitters for illuminating the optical deflector from the outside of the viewfinder optical system, which emit at least two light beams of different colors to be incident on the optical deflector.
摘要翻译：相机的取景器的内部指示器包括取景器光学系统，其包括通过相机的摄影光学系统在其上形成物体图像的聚焦屏幕; 至少一个光学偏转器，其位于聚焦屏幕上或附近，并设置有至少一个偏转表面; 以及用于从取景器光学系统的外部照射光学偏转器的至少两个发光器，其发射不同颜色的至少两个光束以入射在光学偏转器上。

46. 发明授权

US06545824B2 Wide-angle lens system 失效
标题翻译：广角镜头系统
公开(公告)号：US06545824B2
公开(公告)日：2003-04-08
申请号：US09783304
申请日：2001-02-15
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： G02B1304
CPC分类号： G02B13/06
摘要： The improved inner-focus, wide-angle lens system of retrofocus configuration comprises, in order from the object side, a negative first lens group 10, a positive second lens group 20, and a positive third lens group 30 having a diaphragm; the second lens group 20 moves along the optical axis during focusing and the lens system satisfies the following conditions (1) and (2): 0.5
摘要翻译：经改进的后焦距配置的内焦点广角镜头系统包括：从物体侧起依次具有隔膜的负第一透镜组10，正二透镜组20和正三透镜组30; 第二透镜组20在聚焦期间沿光轴移动，并且透镜系统满足以下条件（1）和（2）：其中f是整个系统在无限远聚焦时的焦距，f1是第一透镜组，f2是第二透镜组的焦距。透镜系统具有约44°的半视角和约3.5的F数。

47. 发明授权

US06384987B1 Wide-angle lens system 有权
标题翻译：广角镜头系统
公开(公告)号：US06384987B1
公开(公告)日：2002-05-07
申请号：US09501681
申请日：2000-02-10
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： G02B1304
CPC分类号： G02B13/04
摘要： A wide-angle lens system includes a negative first lens group, and a positive second lens group with a diaphragm, in this order from the object. The wide-angle lens system satisfies the following condition: −1.4
摘要翻译：广角透镜系统包括负第一透镜组和具有光阑的正第二透镜组，从该物体开始。广角镜头系统满足以下条件：其中，f1表示第一透镜组的焦距，f表示整个透镜系统的焦距。

48. 发明授权

US06359739B1 Macro lens system 有权
标题翻译：微距镜头系统
公开(公告)号：US06359739B1
公开(公告)日：2002-03-19
申请号：US09608009
申请日：2000-06-30
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： G02B900
CPC分类号： G02B13/00 , G02B9/34
摘要： A macro lens system which includes a positive first lens group, a negative second lens group, a positive third lens group, and a negative fourth lens group, in this order from the object. Upon focusing from an infinite photographing distance to the closest photographing distance, the second lens group moves towards the image, and the third lens group moves toward the object. The macro lens system satisfies the following condition: 3.7
摘要翻译：从物体起依次包括正的第一透镜组，负的第二透镜组，正的第三透镜组和负的第四透镜组的微距透镜系统。当从无限摄影距离聚焦到最近的拍摄距离时，第二透镜组朝向图像移动，并且第三透镜组朝向对象移动。微距透镜系统满足以下条件：其中f表示整个透镜系统的焦距在无限拍摄距离处; m表示最近拍摄距离处的横向放大率; 而DELTAX3表示第三透镜组从无限拍摄距离到最近拍摄距离的行进距离。

49. 发明授权

US06297909B1 Focus detecting optical system 失效
标题翻译：聚焦检测光学系统
公开(公告)号：US06297909B1
公开(公告)日：2001-10-02
申请号：US09453035
申请日：1999-12-02
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： G02D2710
CPC分类号： G02B7/34
摘要： A focus detecting optical system includes a reduction lens having a positive refractive power that is located between an objective lens and an image taking plane on which a primary image of a subject is formed by the objective lens, a separation plane mirror for separating a light passed through the reduction lens from an optical path toward the image taking plane, a pair of separator lenses for re-forming an image formed through the reduction lens and the separation plane mirror into a pair of secondary images, and a pair of image sensors for capturing the secondary images. The optical axis of the reduction lens is coaxial with the optical axis of the objective lens.
摘要翻译：焦点检测光学系统包括具有正折射力的减影透镜，该折射透镜位于物镜和由物镜形成的被摄体的原始图像的摄像面之间，用于分离通过的光的分离面镜通过所述还原透镜从光路朝向所述摄像面，将一对分离透镜，用于将通过所述还原透镜形成的图像和所述分离平面镜重新形成为一对二次图像;以及一对用于拍摄的图像传感器辅助图像。还原透镜的光轴与物镜的光轴同轴。

50. 发明授权

US06188846B1 Optical system for focus detecting device 有权
标题翻译：用于焦点检测装置的光学系统
公开(公告)号：US06188846B1
公开(公告)日：2001-02-13
申请号：US09412508
申请日：1999-10-05
申请人： Takayuki Sensui
发明人： Takayuki Sensui
IPC分类号： G03B1336
CPC分类号： G02B7/28
摘要： An optical system of a focus detecting device for detecting a focusing condition of a main lens with respect to an image taking plane. The optical system includes a focus detection area arranged on an equivalent image taking plane, a first deflecting element for deflecting the light from the main lens through the focus detection areas in a first direction, a condenser lens for converging the light deflected by the first deflecting element, a second deflecting element for deflecting the light through the condenser lens in a second direction opposite to the first direction, and a light receiving element for receiving the light deflected by the second deflecting element. The condenser lens is arranged such that the light transmits along about the meridional plane of the condenser lens.
摘要翻译：一种用于检测主透镜相对于摄像面的聚焦状态的聚焦检测装置的光学系统。光学系统包括布置在等效图像拍摄平面上的焦点检测区域，用于使来自主透镜的光沿第一方向偏转焦点检测区域的第一偏转元件，用于会聚由第一偏转偏转的光的聚光透镜元件，用于使光通过聚光透镜沿与第一方向相反的第二方向偏转的第二偏转元件，以及用于接收由第二偏转元件偏转的光的光接收元件。聚光透镜被布置成使得光沿着聚光透镜的子午面透射。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式