公开(公告)号：US4884879A

公开(公告)日：1989-12-05

申请号：US911070

申请日：1986-09-24

申请人： Kyohei Fukuda ,  Soichi Sakurai ,  Koji Hirata ,  Shigeru Mori

发明人： Kyohei Fukuda ,  Soichi Sakurai ,  Koji Hirata ,  Shigeru Mori

IPC分类号： H04N5/74 ,  G02B13/16 ,  G02B13/18

CPC分类号： G02B9/34 ,  G02B13/16 ,  G02B13/18

摘要： An optical system of a projection television receiver for projecting pictures from a picture tube onto a screen, comprising a fluorescent face constituting the tube face of the receiver tube having a nonspherical shape in such a direction as to compensate the curve of the image face of the projected picture on the screen, and further comprising lenses arranged from the screen side to the tube face of the picture tube in the order of:(A) a first lens having relatively weak power (reciprocal of focal distance) and having a nonspherical shape at least at one face;(B) a second lens having relatively strong positive power;(C) a third lens having relatively weak power and having a nonspherical shape at least at one face; and(D) a fourth lens having relatively strong negative power and having a concave shape at the face of the screen side.

摘要翻译： 一种投影电视接收机的光学系统，用于将图像从显像管投影到屏幕上，包括构成接收管的管面的荧光面，其方向具有非球面形状，以补偿图像的图像面的曲线 并且还包括从屏幕侧到显像管的管面布置的透镜，其顺序为：（A）具有相对弱的功率（焦距的往复）并且具有非球面形状的第一透镜 最少在一个脸上 （B）具有相对较强正功率的第二透镜; （C）至少在一个面上具有较弱功率并具有非球形形状的第三透镜; 和（D）具有相对较强的负功率并且在屏幕侧的表面具有凹形形状的第四透镜。

公开(公告)号：US10191363B2

公开(公告)日：2019-01-29

申请号：US14377302

申请日：2012-02-09

申请人： Koji Hirata ,  Miyuki Ikeda ,  Tatsuya Ishikawa ,  Hiroyuki Shinji

发明人： Koji Hirata ,  Miyuki Ikeda ,  Tatsuya Ishikawa ,  Hiroyuki Shinji

IPC分类号： G03B21/54 ,  G03B21/14

摘要： Provided is a projection-type image display device which by means of a projection lens (2) magnifies and projects an optical image formed by a light source and an image display element, wherein an error indicator (5) for indicating anomalies in the device is disposed on the rear surface opposite the front surface of a device housing (1) to which the projection lens (2) is attached. The projection-type image display device further includes an AC voltage monitor unit (12) for monitoring voltage waveforms supplied form an external power source and retaining voltage waveform data during the latest prescribed period in a memory, and reads out the voltage waveform data from the external power source retained in the memory and displays the voltage waveform data on the error indicator (5) as said anomalies.

公开(公告)号：US09097778B2

公开(公告)日：2015-08-04

申请号：US13140484

申请日：2010-02-03

申请人： Yoshitaka Bito ,  Satoshi Hirata ,  Hisaaki Ochi ,  Koji Hirata ,  Toru Shirai ,  Yosuke Otake

发明人： Yoshitaka Bito ,  Satoshi Hirata ,  Hisaaki Ochi ,  Koji Hirata ,  Toru Shirai ,  Yosuke Otake

IPC分类号： G01R33/485 ,  G01R33/563

CPC分类号： G01R33/485 ,  G01R33/56341

摘要： In the diffusion spectroscopic imaging, in which intensity of molecular diffusion is imaged with separating chemical substances, with suppressing artifacts resulting from object motion of an object, spatial resolution, spectral band and SNR are maintained, and measurement accuracy is enhanced. A measurement for acquiring diffusion SI data is repeated a plurality of times with changing acquisition timing, phase variation of each measurement result is corrected, and a diffusion SI image is reconstructed from the corrected measurement results. In addition, the phase variation is calculated for every point in the space from the diffusion SI data acquired by each measurement or navigation data obtained by each measurement. The phase correction is independently performed for every point in the space.

摘要翻译： 在通过分离化学物质成像分子扩散强度的扩散光谱成像中，通过抑制由物体的物体运动产生的伪影，保持了空间分辨率，光谱带和SNR，并且提高了测量精度。 通过改变获取定时多次重复获取扩散SI数据的测量，校正每个测量结果的相位变化，并从校正的测量结果重建扩散SI图像。 此外，根据通过各测量获得的扩散SI数据或通过每次测量获得的导航数据，计算空间中每个点的相位变化。 对于空间中的每一个点都独立执行相位校正。

公开(公告)号：US09041868B2

公开(公告)日：2015-05-26

申请号：US13883769

申请日：2012-02-24

申请人： Koji Hirata ,  Takashi Kakuda ,  Nobuyuki Kimura

发明人： Koji Hirata ,  Takashi Kakuda ,  Nobuyuki Kimura

IPC分类号： G02F1/1335 ,  G02B27/26 ,  G03B21/00 ,  G03B21/14 ,  G03B21/20 ,  G03B33/06 ,  G03B33/12 ,  G03B35/26 ,  H04N9/31 ,  H04N13/04

CPC分类号： G02B27/26 ,  G03B21/005 ,  G03B21/006 ,  G03B21/008 ,  G03B21/14 ,  G03B21/142 ,  G03B21/2013 ,  G03B21/2026 ,  G03B21/2073 ,  G03B33/06 ,  G03B33/12 ,  G03B35/26 ,  H04N9/3147 ,  H04N9/3164 ,  H04N9/3188 ,  H04N13/334 ,  H04N13/337 ,  H04N13/363

摘要： The purpose of the present invention is to provide a projection image display device in which all of the multiple light sources to be used are positioned optimally, regardless of the mode of installation of the device. This projection image display device has two illumination optical systems (1, 2) that are each provided with a light source (111, 211), a color separator for separating into three colors of light, a liquid crystal panel (150, 250) for forming an optical image, and a color synthesis prism (160, 260) for color-synthesizing. A polarization beam splitter (3) for synthesis synthesizes an optical image formed by the illumination optical system (1, 2), and projects the same from a projection lens (4). The optical axis (101, 201) of each light source (111, 211) is positioned within the same plane as the optical axis (401) of the projection lens (4), and so as to orthogonally intersect the optical axis (401) of the projection lens.

摘要翻译： 本发明的目的是提供一种投影图像显示装置，其中使用的所有多个光源被最佳地定位，而与装置的安装方式无关。 该投影图像显示装置具有两个具有光源（111,211）的照明光学系统（1,2），用于分离成三种颜色的光的分色器，用于 形成光学图像，以及用于颜色合成的彩色合成棱镜（160,260）。 用于合成的偏振分束器（3）合成由照明光学系统（1,2）形成的光学图像，并从投影透镜（4）投射光学图像。 每个光源（111,211）的光轴（101,201）位于与投影透镜（4）的光轴（401）相同的平面内，并且与光轴（401）正交地相交， 的投影透镜。

公开(公告)号：US09022581B2

公开(公告)日：2015-05-05

申请号：US13676587

申请日：2012-11-14

申请人： Koji Hirata ,  Masahiko Yatsu ,  Takanori Hisada ,  Masayuki Ohki

发明人： Koji Hirata ,  Masahiko Yatsu ,  Takanori Hisada ,  Masayuki Ohki

IPC分类号： G03B21/28 ,  G03B21/56 ,  G02B17/08 ,  G03B21/10 ,  G03B21/14

CPC分类号： G03B21/56 ,  G02B17/08 ,  G02B17/0852 ,  G03B21/10 ,  G03B21/14 ,  G03B21/28

摘要： A projection display system includes a projection display unit and a member in a form of one of a windable screen, a white board and a notice board. The projection display unit projects an image light onto a projection plane of the member to display an image thereon. The projection display unit includes a light source, an image display element, a lighting optical system irradiating a beam of light from the light source on the image display element, and a projection optical system projecting the image light from the image display element toward the member. The projection optical system includes, in order toward the member from the image display element, a front lens group, and a reflecting mirror shaped to be axial-asymmetrical with respect to the optical axis.

摘要翻译： 投影显示系统包括投影显示单元和可卷绕屏幕，白板和通知板之一的形式的构件。 投影显示单元将图像光投射到构件的投影平面上以在其上显示图像。 投影显示单元包括光源，图像显示元件，照射来自光源的光束的照明光学系统在图像显示元件上，以及投影光学系统，其将来自图像显示元件的图像光朝向该元件投影 。 投影光学系统为了朝向来自图像显示元件的构件，包括前透镜组和反射镜，其被成形为相对于光轴轴向不对称。

公开(公告)号：US20140126032A1

公开(公告)日：2014-05-08

申请号：US14124779

申请日：2011-06-10

申请人： Masahiko Yatsu ,  Koji Hirata

发明人： Masahiko Yatsu ,  Koji Hirata

IPC分类号： G02B26/10

CPC分类号： G02B26/10 ,  G02B13/16 ,  G02B17/08 ,  G02B17/0852 ,  G02B26/101 ,  H04N9/3129

摘要： An image display device having a scanning characteristic excellent in the linearity without being upsized is provided.The image display device includes: an optical scanning unit that scans a light emitted from a light source in a first direction and a second direction of an image plane due to a rotational movement of reciprocation of a reflecting surface of the light; and an optical system enlarges a scanning angle of the scanned light, in which the optical system has a free-form-surface lens on an optical scanning unit side, and has a free-form-surface mirror on an image plane side. The free-form-surface mirror may be arranged so that the first direction is substantially parallel to a first plane defined by an incident optical beam and a reflected light in the free-form-surface mirror when the optical scanning unit remains static in the center of the scanning area.

摘要翻译： 提供一种图像显示装置，其具有在不增大尺寸的情况下具有优异线性的扫描特性。 图像显示装置包括：光学扫描单元，其由于光的反射表面的往复运动而沿第一方向和图像平面的第二方向扫描从光源发射的光; 并且光学系统放大扫描光的扫描角度，其中光学系统在光学扫描单元侧具有自由表面透镜，并且在像面上具有自由曲面镜。 自由表面镜可以被布置成使得当光学扫描单元在中心处保持静止时，第一方向基本上平行于由入射光束和自由形式表面反射镜中的反射光限定的第一平面 的扫描区域。

公开(公告)号：US20110299047A1

公开(公告)日：2011-12-08

申请号：US13213626

申请日：2011-08-19

申请人： Koji Hirata ,  Takanori Hisada ,  Masahiko Yatsu

发明人： Koji Hirata ,  Takanori Hisada ,  Masahiko Yatsu

IPC分类号： G03B3/00

CPC分类号： G03B21/28 ,  G02B17/0852 ,  G03B21/145 ,  H04N9/317

摘要： A projection type image display apparatus includes an image display element, a projection unit including a first lens group and a second lens group formed with a plural number of lenses, a reflection mirror configured to reflect light emitted from the second lens group thereon after the light passes through the first lens group so as to project the light on a screen obliquely, and a mechanism configured to enable movement of at least one lens of the second lens group in a direction of an optical axis. The first lens group is fixed with respect to a bottom portion of the mechanism and is configured to compensate for an aberration of an optical system thereof. The second lens group is configured to enable movement of at least one lens of the second lens group with respect to the first lens group and the bottom portion of the mechanism.

摘要翻译： 投影型图像显示装置包括图像显示元件，包括第一透镜组的投影单元和形成有多个透镜的第二透镜组，反射镜，被配置为在光之后反射从第二透镜组发射的光 穿过第一透镜组以将光投射到屏幕上倾斜，以及机构，其构造成使得能够沿着光轴的方向移动第二透镜组的至少一个透镜。 第一透镜组相对于机构的底部固定并且被配置为补偿其光学系统的像差。 第二透镜组被配置为能够使第二透镜组的至少一个透镜相对于第一透镜组和机构的底部部分移动。

公开(公告)号：US08020999B2

公开(公告)日：2011-09-20

申请号：US12825801

申请日：2010-06-29

申请人： Koji Hirata ,  Takanori Hisada ,  Masahiko Yatsu

发明人： Koji Hirata ,  Takanori Hisada ,  Masahiko Yatsu

IPC分类号： G03B21/14 ,  G03B21/28

CPC分类号： G03B21/28 ,  G02B17/0852 ,  G03B21/145 ,  H04N9/317

摘要： A projection type image display apparatus includes an image display element, and a projection optical unit, which is configured to project an image displayed on the image display element, enlargedly, upon a screen. The projection optical unit includes a lens group, which is configured to compensate an distortion on an image surface on the screen, a mirror for compensating a trapezoidal distortion on the screen. The mirror reflects lights emitted from the lens group, so as to project upon the screen obliquely.

摘要翻译： 投影型图像显示装置包括图像显示元件和投影光学单元，其被配置为在屏幕上放大地投影显示在图像显示元件上的图像。 投影光学单元包括被配置为补偿屏幕上的图像表面上的失真的透镜组，用于补偿屏幕上的梯形失真的反射镜。 镜子反射从镜头组发出的光线，以便倾斜地投影在屏幕上。

公开(公告)号：USD645068S1

公开(公告)日：2011-09-13

申请号：US29380278

申请日：2010-12-02

申请人： Masayuki Fukui ,  Masahiko Yatsu ,  Naoyuki Ogura ,  Koji Hirata ,  Masanori Tsumura

设计人： Masayuki Fukui ,  Masahiko Yatsu ,  Naoyuki Ogura ,  Koji Hirata ,  Masanori Tsumura

公开(公告)号：US08002417B2

公开(公告)日：2011-08-23

申请号：US12840651

申请日：2010-07-21

申请人： Takanori Hisada ,  Koji Hirata ,  Masahiko Yatsu

发明人： Takanori Hisada ,  Koji Hirata ,  Masahiko Yatsu

IPC分类号： G03B21/14 ,  G03B21/28

CPC分类号： G03B21/28 ,  G03B21/147

摘要： A projection-type image display apparatus for projecting an image, enlargedly, onto a projection surface, comprises: an image display element; a lens group, being disposed behind the image display element, comprising therein, a front lens group made up with a plural number of lenses, including, at least, a refractive lens, and a rear lens group made up with a plural number of lenses, including, at least, a lens having a free curved surface configuration and being rotationally asymmetric, thereby emitting an image displayed on the image display element; a reflection mirror for reflecting the light from the lens group, thereby projection onto the projection surface, obliquely; and a movement member for moving the plural number of lenses of the rear lens group.

摘要翻译： 一种用于将图像放大地投影到投影表面上的投影型图像显示装置，包括：图像显示元件; 设置在图像显示元件后面的透镜组，其中包括由多个透镜构成的前透镜组，至少包括折射透镜和由多个透镜构成的后透镜组 至少包括具有自由曲面构造并且旋转非对称的透镜，从而发射显示在图像显示元件上的图像; 用于反射来自透镜组的光的反射镜，从而倾斜地突出到投影表面上; 以及用于移动后透镜组的多个透镜的移动部件。