公开(公告)号：US06624951B2

公开(公告)日：2003-09-23

申请号：US10163333

申请日：2002-06-05

申请人： Junji Hashimura ,  Kyu Takada ,  Hideki Nagata

发明人： Junji Hashimura ,  Kyu Takada ,  Hideki Nagata

IPC分类号： G02B1318

CPC分类号： G11B7/1374 ,  G11B2007/13727

摘要： An objective lens system for optical pickups performing at least one of reading and writing of information by condensing a luminous flux from a light source on an information recording medium, has the following two lens elements from a light source side: a first lens element having a first surface convex to the light source side and a second surface convex to the light source side; and a second lens element having a third surface convex to the light source side and a plane fourth surface, wherein the first surface is an aspherical surface.

摘要翻译： 用于通过将来自光源的光通量聚集在信息记录介质上的读取和写入信息中的至少一个的光学拾取器的物镜系统具有来自光源侧的以下两个透镜元件：第一透镜元件，具有 第一表面凸起到光源侧，第二表面凸起到光源侧; 以及第二透镜元件，其具有对光源侧凸出的第三表面和平面第四表面，其中所述第一表面是非球面。

公开(公告)号：US06467911B1

公开(公告)日：2002-10-22

申请号：US09413311

申请日：1999-10-06

申请人： Masayuki Ueyama ,  Yasumasa Sawai ,  Hideki Nagata ,  Akira Kawabata

发明人： Masayuki Ueyama ,  Yasumasa Sawai ,  Hideki Nagata ,  Akira Kawabata

IPC分类号： G03B2100

CPC分类号： F21V17/00 ,  F21V17/107 ,  F21V17/164 ,  G03B21/10 ,  G03B21/2046 ,  G03B21/2053 ,  H04N5/74 ,  H04N9/3141 ,  H04N9/3144 ,  H04N9/315 ,  H04N9/3155

摘要： A projector has a liquid crystal display panel for displaying an image, a lamp for illuminating the liquid crystal display panel, and a projection optical system for projecting light modulated by the image displayed. The lamp is held by a member whose position is variable to allow fitting of different types of lamp. The projector acquires data related to the lamp currently fitted and controls the light emission of the lamp on the basis of that data. The data includes the life of the lamp, so that the projector prevents the lamp to be lit longer than its remaining life. The remaining life is updated in accordance with how long the lamp has been lit. In addition to the lamp that is lit, an auxiliary lamp may be fitted so that the lamp that is lit can be switched to the auxiliary lamp as required. The lamp is formed into a single lamp unit together with a reflector or a casing to prevent the user from touching the lamp. The lamp is accessible for replacement only when it is in a predetermined position, where the lamp is never allowed when hot.

摘要翻译： 投影仪具有用于显示图像的液晶显示面板，用于照亮液晶显示面板的灯和用于投影由所显示的图像调制的光的投影光学系统。 灯由位置可变的构件保持，以允许安装不同类型的灯。 投影机获取与当前安装的灯有关的数据，并根据该数据控制灯的发光。 数据包括灯的使用寿命，因此投影机可以防止灯泡比其剩余寿命长。 剩余寿命根据灯已点亮多长时间进行更新。 除了点亮的灯之外，还可以安装辅助灯，使得点亮的灯可以根据需要切换到辅助灯。 灯与反射器或壳体一起形成为单个灯单元，以防止使用者接触灯。 只有当灯处于预定位置时，才能进行更换，否则灯在热时不允许。

公开(公告)号：US06458729B1

公开(公告)日：2002-10-01

申请号：US09616030

申请日：2000-07-13

申请人： Hideki Nagata ,  Toshiharu Mori ,  Hiroshi Yuki ,  Hideki Kawai ,  Akira Sugimoto ,  Kazuhiko Ishimaru

发明人： Hideki Nagata ,  Toshiharu Mori ,  Hiroshi Yuki ,  Hideki Kawai ,  Akira Sugimoto ,  Kazuhiko Ishimaru

IPC分类号： C03C1008

CPC分类号： C03C10/0045 ,  C03C3/085

摘要： A glass ceramics composition for recording disk substrate contains, essentially, expressed in terms of weight percent on the oxide basis; from 50.5 to 52.5 wt % of SiO2, from 10 to 30 wt % of Al2O3, from 10 to 30 wt % of MgO, and from 4 to 10.6 wt % of TiO2.

摘要翻译： 用于记录盘基片的玻璃陶瓷组合物基本上以氧化物的重量百分数表示; SiO 2为50.5〜52.5重量％，Al 2 O 3为10〜30重量％，MgO为10〜30重量％，TiO 2为4〜10.6重量％。

公开(公告)号：US06193375B1

公开(公告)日：2001-02-27

申请号：US09157379

申请日：1998-09-21

申请人： Hideki Nagata ,  Akira Sato

发明人： Hideki Nagata ,  Akira Sato

IPC分类号： G03B2128

CPC分类号： G03B37/04 ,  G03B21/28 ,  H04N9/3147

摘要： A display device for projecting a plurality of aligned imaged produced by scanning, the projection being accomplished without producing borders between images. This display device monitors the shear between images, and the amount of the shear is fed back to the scanning units to eliminate the shear.

摘要翻译： 一种用于投影通过扫描产生的多个对准成像的显示装置，所述投影被实现而不产生图像之间的边界。 该显示装置监视图像之间的剪切，并且剪切的量被反馈到扫描单元以消除剪切。

公开(公告)号：US6100919A

公开(公告)日：2000-08-08

申请号：US524529

申请日：1995-09-07

申请人： Manabu Inoue ,  Tsutomu Honda ,  Toru Ishii ,  Hirokazu Yagura ,  Hideki Nagata ,  Katsuyuki Nanba ,  Kiyoyuki Tomita ,  Yumi Hasegawa ,  Toshiyuki Murai

发明人： Manabu Inoue ,  Tsutomu Honda ,  Toru Ishii ,  Hirokazu Yagura ,  Hideki Nagata ,  Katsuyuki Nanba ,  Kiyoyuki Tomita ,  Yumi Hasegawa ,  Toshiyuki Murai

IPC分类号： H04N1/40 ,  H04N5/253 ,  H04N3/36 ,  H04N9/11 ,  H04N9/47

CPC分类号： H04N1/40056 ,  G03B2217/244

摘要： A film image reproducing apparatus for reproducing images recorded on successive frames of a film includes: an illuminator which illuminates the film; a detector which detects an illuminating characteristic of the illuminator; a recorder which records the illuminating characteristic detected by the detector on the film; a reader which reads the recorded illuminating characteristic; a setter which sets based on the characteristic recorded on the film a condition for picking up a film image; and a picking-up device which picks up the film image at the set picking-up condition.

摘要翻译： 用于再现记录在胶片的连续帧上的图像的胶片图像再现装置包括：照明胶片的照明器; 检测器，其检测照明器的照明特性; 将由检测器检测到的照明特性记录在胶片上的记录器; 读取记录的照明特性的读取器; 设定器，其基于所述胶片上记录的特征设定拍摄胶片图像的条件; 以及拾取装置，其在设定的拾取条件下拾取胶片图像。

公开(公告)号：US6072637A

公开(公告)日：2000-06-06

申请号：US295482

申请日：1999-04-20

申请人： Takashi Okada ,  Hideki Nagata

发明人： Takashi Okada ,  Hideki Nagata

IPC分类号： G02B15/173 ,  G02B23/14 ,  G03B13/12 ,  G03B19/12 ,  G02B15/14 ,  G02B27/12

CPC分类号： G02B15/173 ,  G03B13/12 ,  G03B19/12 ,  G02B5/04

摘要： A zoom lens system that is free from parallax, is compact, and offers excellent optical performance has, from the object side, a positive first lens unit, a negative second lens unit, a positive third lens unit, and a negative fourth lens unit. The zoom lens system has a half-prism between the second lens unit and the third lens unit so that a light beam having passed through the second lens unit is split by reflection.

摘要翻译： 没有视差的变焦透镜系统是紧凑的，并且从物体侧开始，具有正的第一透镜单元，负的第二透镜单元，正的第三透镜单元和负的第四透镜单元。 变焦透镜系统在第二透镜单元和第三透镜单元之间具有半棱镜，使得通过第二透镜单元的光束被反射分开。

公开(公告)号：US5999324A

公开(公告)日：1999-12-07

申请号：US868599

申请日：1997-06-04

申请人： Tetsuo Kohno ,  Takashi Okada ,  Hideki Nagata

发明人： Tetsuo Kohno ,  Takashi Okada ,  Hideki Nagata

IPC分类号： G02B13/04 ,  G02B27/10 ,  G02B9/00

CPC分类号： G02B13/04

摘要： An optical system focuses an object upon an image surface of a solid-state image device. The optical system has a master optical system and a condenser lens. The master optical system and the condenser lens both have positive optical power. The focusing optical system fulfills the following conditions: ##EQU1## where a represents the distance between the exit pupil of the master optical system and the image surface;b represents the distance between the exit pupil of the entire optical system and the image surface; andY' represents the maximum image height.

摘要翻译： 光学系统将物体聚焦在固态图像装置的图像表面上。 光学系统具有主光学系统和聚光透镜。 主光学系统和聚光透镜都具有正光学功率。 聚焦光学系统满足以下条件：其中a表示主光学系统的出射光瞳和图像表面之间的距离; b表示整个光学系统的出射光瞳和图像表面之间的距离; Y'表示最大图像高度。

公开(公告)号：US5969887A

公开(公告)日：1999-10-19

申请号：US57478

申请日：1998-04-09

申请人： Hitoshi Hagimori ,  Yoshifumi Harada ,  Hiroshi Sugiyama ,  Haruki Yoshida ,  Hideki Nagata

发明人： Hitoshi Hagimori ,  Yoshifumi Harada ,  Hiroshi Sugiyama ,  Haruki Yoshida ,  Hideki Nagata

IPC分类号： G02B7/02

CPC分类号： G02B7/026 ,  G02B7/021

摘要： A structure for holding lenses in which they are inserted into a lens frame in an axial direction thereof for their mounting thereon, and in which a lens that is first inserted into the lens frame is fixed thereto by caulking a part of the lens frame against the lens, so that an enlargement in a radial direction of the lens frame is prevented. The lens frame has three through-holes in a circumferential direction with an equal space therebetween in which the through-holes form around an intermediate position thereof relative to the axial direction, a stepped surface on a first end opposite a second end from which the lens is inserted, and a partial caulking projection which forms inside each hole as a part of the lens frame. After the first lens is inserted from the second end into the lens frame, the partial caulking projection is thermally caulked against a periphery, of the lens, which is downstream relative to the direction in which the lens is inserted, so that the first lens is held between the stepped surface and the partial caulking projection.

摘要翻译： 用于保持透镜的轴向安装在透镜框架中的装置的结构，其中首先插入到透镜框架中的透镜通过将透镜框架的一部分铆接在透镜框架上而固定在其上 透镜，从而防止透镜框的径向放大。 透镜框架在圆周方向上具有三个通孔，其间具有相等的空间，其中通孔围绕其相对于轴向方向的中间位置形成，在与第二端相对的第一端上的阶梯表面 以及在每个孔内形成作为透镜框架的一部分的部分铆接突起。 在将第一透镜从第二端插入透镜框之后，部分铆接突起被热铆接在相对于透镜插入方向下游的透镜的周边，使得第一透镜是 保持在台阶表面和部分铆接突起之间。

公开(公告)号：US5898527A

公开(公告)日：1999-04-27

申请号：US828779

申请日：1997-03-27

申请人： Yasumasa Sawai ,  Tamotsu Kume ,  Hideki Nagata ,  Akira Sato ,  Masayuki Ueyama

发明人： Yasumasa Sawai ,  Tamotsu Kume ,  Hideki Nagata ,  Akira Sato ,  Masayuki Ueyama

IPC分类号： G02B7/02

CPC分类号： G02B7/02 ,  G02B7/026

摘要： A structure for holding a decentered lens inside a lens barrel, as well as an axisymmetrical lens. The structure includes: a lens barrel with a lens receiving part projecting inwardly and radially from an inner surface thereof; a decentered lens, with a first lens surface as a reference surface a centering axis of which is made to coincide with an axis of the lens barrel, and a second lens surface, which includes an annular flat surface around the second lens surface, in which the annular flat surface forms a recessed surface relative to the second lens surface, in which the annular flat surface is perpendicular to the axis of the lens barrel, and in which the annular flat surface contacts the lens receiving part of the lens barrel; and a washer, installed on the inner surface of the lens barrel, to fixedly hold the decentered lens, relative to the lens barrel, by pinching the decentered lens between the washer and the lens receiving part of the lens barrel.

摘要翻译： 用于将偏心透镜保持在透镜镜筒内的结构以及轴对称透镜。 该结构包括：镜筒，其具有从其内表面向内并径向突出的透镜接收部分; 偏心透镜，具有第一透镜表面作为参考表面，其中心轴线与透镜镜筒的轴线重合，第二透镜表面包括围绕第二透镜表面的环形平坦表面，其中 环形平坦表面相对于第二透镜表面形成凹陷表面，其中环形平坦表面垂直于透镜镜筒的轴线，并且其中环形平坦表面接触透镜镜筒的透镜接收部分; 以及安装在透镜镜筒的内表面上的垫圈，通过将偏心镜片夹持在垫圈和透镜镜筒的透镜容纳部分之间来相对于镜筒固定地保持偏心透镜。

公开(公告)号：US07898743B2

公开(公告)日：2011-03-01

申请号：US11991919

申请日：2006-09-11

申请人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

发明人： Shinichi Mihara ,  Kanato Adachi ,  Keisuke Ichikawa ,  Yasunobu Iga ,  Koji Matsumoto ,  Kazuaki Murayama ,  Keigo Matsuo ,  Hideki Nagata

IPC分类号： G02B15/14 ,  G02B9/00

CPC分类号： G02B13/18 ,  G02B15/173 ,  G03B17/17

摘要： An image forming optical system according to the present invention is characterized in that, in an image forming optical system having a positive lens group, a negative lens group, and an aperture stop, the positive lens group is disposed at an object side of the aperture stop, the positive lens group has a cemented lens which is formed by cementing a plurality of lenses, in a rectangular coordinate system in which a horizontal axis is let to be Nd and a vertical axis is let to be νd, when a straight line indicated by Nd=α×νd+β (where, α=−0.017) is set, Nd and νd of at least one lens forming the cemented lens is included in both of areas namely, an area which is determined by a line when a lower limit value is in a range of a following conditional expression (1a), and a line when an upper limit value is in a range of the following conditional expression (1a), and of an area determined by following conditional expressions (2a) and (3a). 1.45

摘要翻译： 根据本发明的图像形成光学系统的特征在于，在具有正透镜组，负透镜组和孔径光阑的图像形成光学系统中，正透镜组设置在孔的物体侧 停止时，正透镜组具有通过固定多个透镜而形成的胶合透镜，在垂直坐标系中，使水平轴为Nd，纵轴为垂直轴为d 线表示为Nd =α×＆ngr; d +＆bgr; （其中，α= -0.017），形成胶合透镜的至少一个透镜的Nd和＆ngr; d包括在两个区域中，即当下限值在一个范围内时由线确定的区域 （1a），以及当上限值在以下条件表达式（1a）的范围内时的行以及由以下条件表达式（2a）和（3a）确定的面积的行。 1.45 <＆bgr <2.15（1a）1.30