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1. 发明授权

US08162488B2 Projection display apparatus 有权
标题翻译：投影显示装置
公开(公告)号：US08162488B2
公开(公告)日：2012-04-24
申请号：US12504318
申请日：2009-07-16
申请人： Akihiro Yamada , Akira Daijogo , Motoo Takahashi , Kenji Samejima
发明人： Akihiro Yamada , Akira Daijogo , Motoo Takahashi , Kenji Samejima
IPC分类号： G03B21/14
CPC分类号： H04N9/3155 , G02B27/281
摘要： A projection display apparatus includes a light valve, a light source for producing light directed to the light valve, an integrator lens disposed in an optical path extending from the light source to the light valve and including a first lens array and a second lens array, and a light amount adjustment mechanism disposed in the optical path between the first lens array and the second lens array. The light amount adjusting mechanism includes a pair of light shielding elements pivoting in the form of a pair of double doors. The pair of light shielding elements have an opening formed in a region of tip portions thereof which corresponds to lens cells in contact with the optical axis of the second lens array. A region of the opening corresponding to one lens cell in contact with the optical axis of the second lens array is of a triangular configuration.
摘要翻译：投影显示装置包括光阀，用于产生指向光阀的光的光源，设置在从光源延伸到光阀的光路中并包括第一透镜阵列和第二透镜阵列的积分透镜，以及设置在第一透镜阵列和第二透镜阵列之间的光路中的光量调节机构。光量调节机构包括以一对双门的形式旋转的一对遮光元件。一对遮光元件具有形成在其顶端部分的区域中的开口，其对应于与第二透镜阵列的光轴接触的透镜单元。对应于与第二透镜阵列的光轴接触的一个透镜单元的开口的区域是三角形的。

2. 发明申请

US20120008107A1 PROJECTION DISPLAY 有权
标题翻译：投影显示
公开(公告)号：US20120008107A1
公开(公告)日：2012-01-12
申请号：US13240046
申请日：2011-09-22
申请人： Akihiro YAMADA , Tomohiro BESSHO , Akira DAIJOGO , Motoo TAKAHASHI
发明人： Akihiro YAMADA , Tomohiro BESSHO , Akira DAIJOGO , Motoo TAKAHASHI
IPC分类号： G03B21/14
CPC分类号： H04N9/3152
摘要： The invention provides a projection display that achieves continuous light amount control with ease and without causing unevenness of illumination of light applied to a light valve responsive to a video signal, thereby allowing constant image display with satisfactory contrast. The projection display of the invention includes a light valve (2); a light source (3a) generating light applied to the light valve (2); an integrator lens (4) provided on an optical path between the light source (3a) and the light valve (2) and making uniform the illumination distribution of light applied from the light source (3a) to the light valve (2); and a light amount control system (9) provided on the optical path and including a turning mechanism (9a) which turns like a set of double doors in order to adjust the amount of light applied from the light source (3a) to the light valve (2). The turning mechanism (9a) is bent into a V shape in a direction to reduce the amount of light (to block the light).
摘要翻译：本发明提供了一种能够容易地实现持续的光量控制并且不会根据视频信号而引起施加到光阀的光的照明不均匀的投影显示器，从而允许具有令人满意的对比度的恒定的图像显示。本发明的投影显示器包括一个光阀（2）; 产生施加到所述光阀（2）的光的光源（3a）; 设置在光源（3a）和光阀（2）之间的光路上并使从光源（3a）施加到光阀（2）的光的照明分布均匀的积分透镜（4）; 以及光量控制系统（9），其设置在所述光路上并且包括转动机构（9a），所述转动机构（9a）像一组双门一样转动，以便将从所述光源（3a）施加的光量调节到所述光阀（2）。转动机构（9a）沿着减少光量（阻挡光）的方向弯曲成V字状。

3. 发明授权

US07114814B2 Projector having an illuminance detector 失效
标题翻译：投影仪具有照度检测器
公开(公告)号：US07114814B2
公开(公告)日：2006-10-03
申请号：US11328082
申请日：2006-01-10
申请人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
发明人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
IPC分类号： G03B21/14 , G03B21/20 , G02F1/1335
CPC分类号： H04N9/3105 , G02B13/22 , G03B21/142 , G03B21/2053 , H04N5/7416 , H04N9/3194
摘要： The invention provides a projector having a light source, a display device to modulate light emitted from the light source, a lens device to project light emitted from the light source via the display device, wherein the lens device has a diaphragm mechanism formed having an aperture, an ambient light illuminance detector to measure illuminance of ambient light, a projected image illuminance detector to measure illuminance of an image projected on the screen, an illuminance comparator to compare an illuminance detected by the ambient light illuminance detector and an illuminance detected by the projected image illuminance detector, and a diaphragm mechanism/image signal controller to control an intensity of image signals input into the display device and to control a size of an opening of the aperture of the diaphragm mechanism in accordance with a result of comparison by the illuminance comparator.
摘要翻译：本发明提供了一种具有光源的投影仪，用于调制从光源发出的光的显示装置，透镜装置，用于投影从该光源经由显示装置发出的光，其中透镜装置具有形成为具有光圈的光阑机构环境光照度检测器，用于测量环境光的照度;投影图像照度检测器，用于测量投射在屏幕上的图像的照度;照度比较器，用于比较由环境光照度检测器检测到的照度和由投射的图像照度检测器，以及光阑机构/图像信号控制器，用于控制输入到显示装置的图像信号的强度，并且根据照度比较器的比较结果控制光阑机构的开口的尺寸。

4. 发明授权

US06443575B1 Projector with inlet fan, outlet fan and ventilation duct structure for cooling an optical system 失效
标题翻译：具有入口风扇，出风口和通风管道结构的投影机，用于冷却光学系统
公开(公告)号：US06443575B1
公开(公告)日：2002-09-03
申请号：US09638545
申请日：2000-08-16
申请人： Teruo Miyamoto , Hiroyuki Yahara , Mitsuhiro Kawaguchi , Motoo Takahashi , Tatsuro Hirose , Takaaki Uda
发明人： Teruo Miyamoto , Hiroyuki Yahara , Mitsuhiro Kawaguchi , Motoo Takahashi , Tatsuro Hirose , Takaaki Uda
IPC分类号： G03B2118
CPC分类号： G03B21/16
摘要： A projecter having a lamp, a lamp box containing the lamp, an outlet fan for discharging air from the lamp box, an optical system member which receives a light beam from the lamp and outputs an image light, an optical system box containing the optical system member, and an inlet fan for blowing outside air into the optical system box. The projector also has a first ventilating duct that directs the outside air blown in by the inlet fan into the lamp box.
摘要翻译：具有灯的投影仪，包含灯的灯箱，用于从灯箱排出空气的出风扇，接收来自灯的光束并输出图像光的光学系统构件，包含光学系统的光学系统盒以及用于将外部空气吹入光学系统盒的入口风扇。投影机还具有将入口风扇吹入的外部空气引导到灯箱中的第一通风管道。

5. 发明申请

US20060114427A1 Lens device and projector having diaphragm mechanisms with apertures having inwardly curved sides 失效
公开(公告)号：US20060114427A1
公开(公告)日：2006-06-01
申请号：US11330100
申请日：2006-01-12
申请人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
发明人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
IPC分类号： G03B21/14
CPC分类号： H04N9/3105 , G02B13/22 , G03B21/142 , G03B21/2053 , H04N5/7416 , H04N9/3194
摘要： The invention provides A lens device of a projector for projecting light that has been modulated and emitted by a display device, wherein said lens device has an optical axis and is arranged telecentric to rays of light emitted from said display device, said lens device has a diaphragm mechanism having an aperture at such a position that the lens device causes principal rays emitted from various locations on the display device to intersect with the optical axis; and said aperture is shaped such that sides of the aperture curve inward approximately along lines that connect areas having substantially similar levels of contrast.

6. 发明申请

US20060114425A1 Lens device and projector having diaphragm mechanisms with substantially trapezoidal apertures 失效
标题翻译：透镜装置和具有大致梯形孔的光阑机构的投影仪
公开(公告)号：US20060114425A1
公开(公告)日：2006-06-01
申请号：US11329109
申请日：2006-01-11
申请人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
发明人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
IPC分类号： G03B21/14
CPC分类号： H04N9/3105 , G02B13/22 , G03B21/142 , G03B21/2053 , H04N5/7416 , H04N9/3194
摘要： The invention provides a lens device of a projector for projecting light that has been modulated and emitted by a display device, wherein said lens device has an optical axis and is arranged telecentric to rays of light emitted from said display device, said lens device has a diaphragm mechanism having an aperture at such a position that the lens device causes principal rays emitted from various locations on the display device to intersect with the optical axis, and said aperture is substantially trapezoidal.
摘要翻译：本发明提供了一种用于投影由显示装置调制和发射的光的投影仪的透镜装置，其中所述透镜装置具有光轴并且被设置为远离所述显示装置发射的光线，所述透镜装置具有该光阑机构在这样的位置处具有孔，使得透镜装置使得从显示装置上的各个位置发射的主光线与光轴相交，并且所述孔基本上是梯形的。

7. 发明申请

US20060114424A1 Projector having an image signal controller 失效
标题翻译：投影仪具有图像信号控制器
公开(公告)号：US20060114424A1
公开(公告)日：2006-06-01
申请号：US11326337
申请日：2006-01-06
申请人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
发明人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
IPC分类号： G03B21/14
CPC分类号： H04N9/3105 , G02B13/22 , G03B21/142 , G03B21/2053 , H04N5/7416 , H04N9/3194
摘要： The invention provides a projector having a light source, a display device to modulate light emitted from the light source, a lens device to project light emitted from the light source and modulated by the display device, wherein the lens device comprises a diaphragm mechanism, an image signal intensity detector to detect image signals input into the display device and to evaluate an intensity of the signals, a diaphragm mechanism drive control to drive the diaphragm mechanism so as to reduce the size of an aperture of the diaphragm mechanism when the image signal intensity detector ascertains that the intensity of the image signal is lower than a given level, and an image signal controller to increase the intensity of the image signal when the image signal intensity detector ascertains that the intensity of the image signal is lower than a given level.
摘要翻译：本发明提供了一种具有光源的投影仪，用于调制从光源发出的光的显示装置，透镜装置，投射从光源发射并被显示装置调制的光，其中透镜装置包括光阑机构，图像信号强度检测器，用于检测输入到显示装置中的图像信号并评估信号的强度;光阑机构驱动控制，以驱动光阑机构，以便当图像信号强度检测器确定图像信号的强度低于给定的电平;以及图像信号控制器，当图像信号强度检测器确定图像信号的强度低于给定的电平时，增加图像信号的强度。

8. 发明申请

US20060109429A1 Projector having an illuminance detector 失效
标题翻译：投影仪具有照度检测器
公开(公告)号：US20060109429A1
公开(公告)日：2006-05-25
申请号：US11328082
申请日：2006-01-10
申请人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
发明人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
IPC分类号： G03B21/14
CPC分类号： H04N9/3105 , G02B13/22 , G03B21/142 , G03B21/2053 , H04N5/7416 , H04N9/3194
摘要： The invention provides a projector having a light source, a display device to modulate light emitted from the light source, a lens device to project light emitted from said light source via said display device, wherein said lens device has a diaphragm mechanism formed having an aperture, an ambient light illuminance detector to measure illuminance of ambient light, a projected image illuminance detector to measure illuminance of an image projected on the screen, an illuminance comparator to compare an illuminance detected by said ambient light illuminance detector and an illuminance detected by said projected image illuminance detector, and a diaphragm mechanism/image signal controler to control an intensity of image signals input into the display device and to control a size of an opening of the aperture of the diaphragm mechanism in accordance with a result of comparison by the illuminance comparator.
摘要翻译：本发明提供了一种具有光源的投影仪，用于调制从光源发出的光的显示装置，透镜装置，用于投射从所述显示装置发出的光的透镜装置，其中所述透镜装置具有形成为具有光圈的光阑机构环境光照度检测器，用于测量环境光的照度;投影图像照度检测器，用于测量投影在屏幕上的图像的照度;照度比较器，用于比较由所述环境光照度检测器检测到的照度和由所述投影检测到的照度; 图像照度检测器和光圈机构/图像信号控制器，用于控制输入到显示装置的图像信号的强度，并根据照度比较器的比较结果控制光阑机构的开口的尺寸。

9. 发明授权

US07021772B2 Projection lens device and projector 有权
标题翻译：投影镜头和投影机
公开(公告)号：US07021772B2
公开(公告)日：2006-04-04
申请号：US10703166
申请日：2003-11-07
申请人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
发明人： Hiroki Abe , Tomoo Fujimori , Motoo Takahashi , Kenji Samejima
IPC分类号： G03B21/00 , G03B21/14 , G03B21/22 , G03B3/00
CPC分类号： H04N9/3105 , G02B13/22 , G03B21/142 , G03B21/2053 , H04N5/7416 , H04N9/3194
摘要： The invention provides a lens device and projector in which light passing through liquid crystal panels is projected on a screen using the lens device. The lens device includes a diaphragm mechanism. A telecentric optical system for the display device is provided between the diaphragm mechanism and the liquid crystal panels. An aperture of the diaphragm mechanism is positioned at a location where primary rays that are emitted from the liquid crystal panels parallel to an optical axis intersect with the optical axis. Contrast characteristics of the liquid crystal panels vary depending on angles and directions of incidence of rays of light. The aperture of the diaphragm mechanism is formed in a substantially triangular shape in accordance with the shape of the contrast characteristics.
摘要翻译：本发明提供了一种透镜装置和投影仪，其中通过液晶面板的光通过透镜装置投影在屏幕上。透镜装置包括隔膜机构。用于显示装置的远心光学系统设置在光阑机构和液晶面板之间。光阑机构的孔径位于从与光轴平行的液晶面板发射的主光线与光轴相交的位置。液晶面板的对比特性根据光线入射角度和方向而变化。膜片机构的孔径根据对比度特性的形状形成为大致三角形。

10. 发明授权

US06227686B1 Light source apparatus 有权
标题翻译：光源装置
公开(公告)号：US06227686B1
公开(公告)日：2001-05-08
申请号：US09455789
申请日：1999-12-07
申请人： Motoo Takahashi , Mitsuhiro Kawaguchi
发明人： Motoo Takahashi , Mitsuhiro Kawaguchi
IPC分类号： F21V2900
CPC分类号： F21V29/67 , F21V25/02 , G03B21/16 , G03B21/2026 , G03B21/2086
摘要： A light source apparatus has a luminescent tube, a reflecting mirror, a securing member and bonding material as a holding member disposed to block a part of a small opening of the reflecting mirror and holding the luminescent tube in the reflecting mirror, a transparent protection plate for blocking the large opening of the reflecting mirror, a ventilator for sucking air inside the reflecting mirror through the small opening and sending out the air through an outlet, and a housing for combining the reflecting mirror and the ventilator; and the reflecting mirror includes an air inlet disposed closer to the large opening than a center position of the luminescent tube.
摘要翻译：光源装置具有发光管，反射镜，固定部件和作为保持部件的接合材料，该保持部件设置成阻挡反射镜的小开口的一部分并将发光管保持在反射镜中，透明保护板用于阻挡反射镜的大开口，用于通过小开口吸入反射镜内的空气并通过出口排出空气的通风机和用于组合反射镜和呼吸机的壳体; 并且反射镜包括比发光管的中心位置更靠近大开口的空气入口。

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