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1. 发明申请

US20110080565A1 IMAGE PROJECTING APPARATUS 有权
标题翻译：图像投影设备
公开(公告)号：US20110080565A1
公开(公告)日：2011-04-07
申请号：US12891691
申请日：2010-09-27
申请人： Saburo Sugawara , Kazuhiro Inoko , Makoto Takahashi
发明人： Saburo Sugawara , Kazuhiro Inoko , Makoto Takahashi
IPC分类号： G03B21/14
CPC分类号： G02B13/16 , G02B7/023 , G02B15/177 , G02B27/0068
摘要： An image projecting apparatus includes an image display element, an optical system that projects an image displayed on the image display element onto a screen, an optical element that shifts in a direction perpendicular to an optical axis of the optical system, an adjusting mechanism that can shift the optical element in the direction perpendicular to the optical axis, and a holding member that fixes the optical element to a lens barrel, wherein a combined Abbe number vdch of materials of the optical element with respect to a d-line, a combined focal length fdch of the optical element with respect to the d-line, and the pixel pitch P of the image display element satisfy an appropriate condition.
摘要翻译：图像投影设备包括图像显示元件，将显示在图像显示元件上的图像投影到屏幕上的光学系统，沿与光学系统的光轴垂直的方向移动的光学元件，能够在垂直于光轴的方向上移动光学元件，以及将光学元件固定到镜筒上的保持构件，其中相对于d线的光学元件的材料的组合阿贝数vdch，组合焦点相对于d线的光学元件的长度fdch，图像显示元件的像素间距P满足适当的条件。

2. 发明授权

US07826147B2 Zoom lens and image projection apparatus 有权
标题翻译：变焦镜头和图像投影设备
公开(公告)号：US07826147B2
公开(公告)日：2010-11-02
申请号：US12563700
申请日：2009-09-21
申请人： Junya Ichimura , Kazuhiro Inoko , Saburo Sugawara
发明人： Junya Ichimura , Kazuhiro Inoko , Saburo Sugawara
IPC分类号： G02B15/14
CPC分类号： G02B15/177
摘要： A zoom lens includes a negative lens unit having a negative refractive power, at least one positive lens unit having a positive refractive power, an intermediate lens unit including a stop, and at least one reduction side lens unit, in order from a magnification conjugate side to a reduction conjugate side, at least two magnification side movable lens units in the negative lens unit and the at least one positive lens unit, and at least one reduction side movable lens unit in the at least one reduction side lens unit are moved during zooming, and conditions of 0.9
摘要翻译：变焦透镜包括具有负折光力的负透镜单元，具有正屈光力的至少一个正透镜单元，包括止挡件的中间透镜单元和至少一个缩小侧透镜单元，从放大率共轭侧到缩小共轭侧，在负透镜单元和至少一个正透镜单元中的至少两个放大倍率可移动透镜单元以及至少一个缩小侧透镜单元中的至少一个缩小侧可移动透镜单元在变焦期间移动，和条件0.9 <（XT·＆bgr; Tb·＆phgr; W）/（XW·＆bgr; Wb·＆phgr; T）<1.1,0.9 <＆phgr; W /＆phgr; T <1.1,0.8 <（＆bgr; TS ·＆bgr; Tb）/（＆bgr; WS·＆bgr; Wb）<1.2，满足1.4

3. 发明授权

US06671101B2 Color combining optical element, color separation optical element, and projection type display apparatus using them 有权
公开(公告)号：US06671101B2
公开(公告)日：2003-12-30
申请号：US09828401
申请日：2001-04-06
申请人： Saburo Sugawara
发明人： Saburo Sugawara
IPC分类号： G02B2714
CPC分类号： G02B27/145 , G02B27/149 , G02B27/283 , G02B27/285 , H04N9/3105
摘要： Provided are a color combining optical element capable of forming a good projected image on a screen surface while permitting scaling-down of entire apparatus and a projection image display apparatus using it. A color combining optical element is constructed of three or more prisms and in such structure that it has a prism provided with a surface as a surface serving as a total reflection surface and as a transmissive surface on the extreme exit side and two dichroic mirror layers for reflecting light of mutually different wavelength regions, that the two dichroic mirror layers are located so as not to cross each other, that an outline of a cross section of a prism placed between the two dichroic mirror layers, cut by a plane along a color composition direction, is comprised of four or more segments, and that at least one of flection points in the cross section of surfaces without the dichroic mirror layers is present at an inner position of the color combining optical element with respect to a segment connecting two ends of segments in the cross section of surfaces with the two dichroic mirror layers.

4. 发明授权

US6084719A Projection lens 有权
标题翻译：投影镜头
公开(公告)号：US6084719A
公开(公告)日：2000-07-04
申请号：US140176
申请日：1998-08-25
申请人： Saburo Sugawara , Ken Wada
发明人： Saburo Sugawara , Ken Wada
IPC分类号： G02B13/16 , G02B13/22 , G02B3/00
CPC分类号： G02B13/16 , G02B13/22
摘要： A projection optical system includes, in order from a first conjugate point side of longer distance to a second conjugate point side of shorter distance, a first lens unit in which negative lenses included therein are larger in number than positive lenses included therein, and a second lens unit in which positive lenses included therein are larger in number than negative lenses included therein, wherein design parameters are determined such that an off-axial principal ray intersects an optical axis at a point between the first lens unit and the second lens unit and telecentricity is made on the second conjugate point side, and wherein the second lens unit includes, in order from the second conjugate point side, a negative lens of meniscus form convex toward the second conjugate point side and a positive lens whose both surfaces are convex.
摘要翻译：投影光学系统从长距离的第一共轭点侧到短距离的第二共轭点侧依次包括第一透镜单元，其中包括的负透镜的数量比包括在其中的正透镜的数量大，第二透镜单元其中包括在其中的正透镜的数量大于其中包括的负透镜的透镜单元，其中确定设计参数，使得偏轴主光线在第一透镜单元和第二透镜单元之间的点处与光轴相交，并且具有远心在第二共轭点侧制成，并且其中第二透镜单元从第二共轭点侧依次包括朝向第二共轭点侧凸出的弯月面的负透镜和其两个表面都是凸的正透镜。

5. 发明授权

US5926316A Projection lens system 失效
标题翻译：投影镜头系统
公开(公告)号：US5926316A
公开(公告)日：1999-07-20
申请号：US365319
申请日：1994-12-28
申请人： Saburo Sugawara
发明人： Saburo Sugawara
IPC分类号： G02B13/16 , G02B7/10 , G02B15/163 , G02B27/18 , G02B27/64
CPC分类号： G02B7/102 , G02B13/06 , G02B15/173 , G02B27/0068
摘要： A varifocal projection lens system comprising a first lens group of a positive refractive power that is provided closer to a screen, and a second lens group of a positive refractive power that is fixed in a position closer to an image field. To adjust projection of an image displayed by the display device onto the screen, the first lens group is moved and tilted with respect to the optical axis of the second lens group. The projection lens system also satisfies the expression 0.01
摘要翻译：一种变焦投影透镜系统，包括靠近屏幕的正屈光力的第一透镜组和固定在更靠近图像场的位置的正折光力的第二透镜组。为了将由显示装置显示的图像的投影调整到屏幕上，第一透镜组相对于第二透镜组的光轴移动并倾斜。投影透镜系统还满足0.01

6. 发明授权

US5897227A Zoom lens drive system for lens shutter type of camera 失效
公开(公告)号：US5897227A
公开(公告)日：1999-04-27
申请号：US845263
申请日：1997-04-23
申请人： Keisuke Haraguchi , Shinsuke Kohmoto , Takeo Kobayashi , Shigeru Kondoh , Hideki Ohkubo , Norio Numako , Saburo Sugawara
发明人： Keisuke Haraguchi , Shinsuke Kohmoto , Takeo Kobayashi , Shigeru Kondoh , Hideki Ohkubo , Norio Numako , Saburo Sugawara
IPC分类号： G02B7/10 , G02B23/14 , G03B13/12 , G03B17/00 , G03B17/04
CPC分类号： G03B17/04 , G02B7/102 , G03B13/12 , G02B23/145 , G03B2215/0503 , G03B2217/002
摘要： A zoom lens for a camera having a between-the-lens shutter includes a motor for moving the lens along an optical axis in forward and rearward directions. A switch is operable by an operator to control operation of the motor for moving the lens from an initial position on the axis to a final stationary position that establishes the focal length of the lens. Control apparatus is responsive to the setting of the switch for operating the motor such that movement of the lens from its initial position to its final position always ends after the lens travels to its final position in a predetermined direction.

7. 发明授权

US5600490A Zoom lens for projecting video image 失效
标题翻译：用于投影视频图像的变焦镜头
公开(公告)号：US5600490A
公开(公告)日：1997-02-04
申请号：US317523
申请日：1994-10-04
申请人： Saburo Sugawara , Hiroyuki Hamano
发明人： Saburo Sugawara , Hiroyuki Hamano
IPC分类号： G02B15/173 , G02B15/14
CPC分类号： G02B15/173
摘要： A zoom lens comprising, in order from the large conjugate side, a first lens unit of positive refractive power, a second lens unit of negative refractive power and a third lens unit of positive refractive power, wherein when zooming from the shortest focal length to the longest focal length end, the air separations between the first and second lens units and between the second and third lens units increases and decreases monotonously, respectively, the first to third lens units each has at least one aspheric surface, and the following condition is satisfied:.vertline.D.sub.12d /D.sub.23d .vertline.
摘要翻译：一种变焦透镜，包括从大共轭侧开始的顺序为正屈光力的第一透镜单元，负折射光焦度的第二透镜单元和正折射光焦度的第三透镜单元，其中当从最短焦距变焦到最长的焦距端，第一和第二透镜单元之间以及第二和第三透镜单元之间的空气分离分别增加和减少，第一至第三透镜单元各自具有至少一个非球面，并且满足以下条件：| D12d / D23d | <0.25其中D12d是第一和第二透镜单元与变焦之间的间隔的变化量，D23d是具有变焦的第二和第三透镜单元之间的间隔的变化量。

8. 发明授权

US5552938A Projection device for projecting an original image onto a screen 失效
标题翻译：用于将原始图像投影到屏幕上的投影设备
公开(公告)号：US5552938A
公开(公告)日：1996-09-03
申请号：US412104
申请日：1995-03-28
申请人： Saburo Sugawara
发明人： Saburo Sugawara
IPC分类号： G02B9/64 , G02B13/24 , G02B15/16 , H04N9/31 , G02B9/06 , G02B15/14 , G02B17/00
CPC分类号： G02B15/16 , H04N9/3105 , H04N9/317
摘要： Disclosed is a projection optical system for projecting an original image onto a screen, including a projection lens comprising, in succession from the screen side, a first lens unit having positive refractive power, and a second lens unit having positive refractive power, and a reflecting member disposed between the first lens unit and the second lens unit of the projection lens for directing light from an illuminating light source to the original image through the second lens unit, one of a plurality of sub-lens units constituting the first lens unit being moved to thereby effect focusing.
摘要翻译：公开了一种用于将原始图像投影到屏幕上的投影光学系统，包括投影透镜，该投影透镜从屏幕侧依次包括具有正折光力的第一透镜单元和具有正折光力的第二透镜单元，以及反射配置在投影透镜的第一透镜单元和第二透镜单元之间的构件，用于通过第二透镜单元将来自照明光源的光引导到原始图像，构成第一透镜单元的多个子透镜单元中的一个被移动从而实现聚焦。

9. 发明授权

US5264885A Lens shutter camera including zoom lens 失效
标题翻译：镜头快门摄像头包括变焦镜头
公开(公告)号：US5264885A
公开(公告)日：1993-11-23
申请号：US480069
申请日：1990-02-14
申请人： Keisuke Haraguchi , Shinsuke Kohmoto , Takeo Kobayashi , Shigeru Kondoh , Hideki Ohkubo , Norio Numako , Saburo Sugawara , Susao Nakamura , Hirofumi Matsuo , Katsuhiko Nomura , Etsuro Nishio , Haruo Ishii
发明人： Keisuke Haraguchi , Shinsuke Kohmoto , Takeo Kobayashi , Shigeru Kondoh , Hideki Ohkubo , Norio Numako , Saburo Sugawara , Susao Nakamura , Hirofumi Matsuo , Katsuhiko Nomura , Etsuro Nishio , Haruo Ishii
IPC分类号： G02B7/10 , G02B23/14 , G03B13/12 , G03B17/04 , G03B17/00
CPC分类号： G03B13/12 , G02B7/102 , G03B17/04 , G02B23/145 , G03B2215/0503 , G03B2217/002
摘要： A lens shutter type of camera is disclosed in which a zoom lens is positioned in a lens block (1) which has a sector gear (15) rotatably associated with the lens block and with a rotatable cam ring (14). The cam ring and sector gear are rotatable in a substantially constant axial position. A movable finder optical assembly (8) and a movable strobe assembly (9) are movable in association with movement of the zoom lens. The zoom lens is movable between an extreme telephoto position and an extreme wide angle position, as well a into a fully collapsed lens position beyond the extreme wide angle position and a macro or close-up photographing position beyond the extreme telephoto position. When the camera is in its macro mode, a prism (Pl) is inserted into the finder optical assembly to correct for parallax; the strobe assembly is moved to change its illumination angle; and an optical wedge (4e) is pivoted into the path between a light receiver (4) and a light emitter (3e). A single cam plate (53) is provided to move the finder assembly and the strobe assembly. The photographic aperture (22b) can be selectively closed by barrier plates (31a) when the zoom lens is moved into its fully collapsed position. A light intercepting assembly (210) is provided for preventing light from entering the photographic optical assembly via cam grooves (20 and 21). This intercepting assembly includes a flexible code plate (90) which surrounds a peripheral portion of the cam ring (14) and which provides positional information relating to the position of the zoom lens.
摘要翻译：公开了一种镜头遮挡式照相机，其中变焦镜头位于透镜块（1）中，该透镜块具有与透镜块可旋转地相关联的扇形齿轮（15）和可旋转的凸轮环（14）。凸轮环和扇形齿轮可在基本上恒定的轴向位置旋转。移动取景器光学组件（8）和可移动闪光灯组件（9）可随变焦镜头的移动而移动。变焦镜头可以在极端远摄位置和极宽广角位置之间移动，以及超过极宽广角位置的完全折叠的镜头位置以及超过远摄位置的宏观或特写拍摄位置。当相机处于其微距模式时，将棱镜（P1）插入取景器光学组件中以校正视差; 移动闪光灯组件以改变其照明角度; 并且光楔（4e）枢转到光接收器（4）和光发射器（3e）之间的路径中。提供单个凸轮板（53）以移动取景器组件和闪光灯组件。当变焦镜头移动到其完全折叠位置时，照相孔（22b）可以被阻挡板（31a）选择性地关闭。提供遮光组件（210），用于防止光经由凸轮槽（20和21）进入照相光学组件。该拦截组件包括围绕凸轮环（14）的周边部分并且提供与变焦镜头的位置相关的位置信息的柔性编码板（90）。

10. 发明授权

US5066115A View-finding optical system capable of eyesight adjustment 失效
标题翻译：查看发现光学调整的光学系统
公开(公告)号：US5066115A
公开(公告)日：1991-11-19
申请号：US426376
申请日：1989-10-25
申请人： Saburo Sugawara
发明人： Saburo Sugawara
IPC分类号： G03B13/02 , G02B23/14 , G02B25/00 , G03B13/06 , G03B13/26
CPC分类号： G02B23/14
摘要： A view-finding optical system may be used which is simple in construction, employs inexpensive optical materials, and is capable of eyesight adjustment over a range of -2.5 to +1.5 diopters. A pentaprism is provided closest to the focusing side screen. A negative meniscus lens in provided next to the pentaprism. The surface of the negative meniscus lens closest to the focusing side screen is a convex surface. Additonally, this lens is preferably formed of a polycarbonate resin. A biconvex lens is provided on the other side of the negative meniscus lens. This lens is preferably formed of an acrylic resin. The eyesight is adjusted by moving the biconvex lens along the optical axis while the negative meniscus lens remains in a fixed position.
摘要翻译：可以使用构造简单的观察光学系统，采用廉价的光学材料，并且能够在-2.5至+1.5屈光度的范围内进行视力调节。五棱镜最靠近聚焦侧屏幕提供。在五棱镜旁边提供负弯月透镜。最靠近聚焦侧屏幕的负弯月形透镜的表面是凸面。另外，该透镜优选由聚碳酸酯树脂形成。双凸透镜设置在负弯月透镜的另一侧。该透镜优选由丙烯酸树脂形成。通过沿着光轴移动双凸透镜来调节视力，而负弯月形透镜保持在固定位置。

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