专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06685322B2 Optical system and projection-type image display device 失效
标题翻译：光学系统和投影型图像显示装置
公开(公告)号：US06685322B2
公开(公告)日：2004-02-03
申请号：US09906267
申请日：2001-07-16
申请人： Shigeru Sawamura , Katsuhiro Takamoto , Katsunari Fujiki
发明人： Shigeru Sawamura , Katsuhiro Takamoto , Katsunari Fujiki
IPC分类号： G03B2100
CPC分类号： G03B21/005
摘要： An optical system includes a first prism having a first surface and a second surface forming an acute angle therebetween, and a second prism having a third surface. The first prism and the second prism form an air gap between the second surface and the third surface. The air gap formed by the second surface and the third surface has a cross section perpendicular to the first surface and the second surface which is a wedge shape which is wide at a part thereof near the first surface and narrower at a part thereof more distant from the first surface.
摘要翻译：光学系统包括具有第一表面和在其间形成锐角的第二表面的第一棱镜和具有第三表面的第二棱镜。第一棱镜和第二棱镜在第二表面和第三表面之间形成气隙。由第二表面和第三表面形成的空气间隙具有垂直于第一表面的横截面和第二表面，该第二表面是在第一表面附近的部分处宽的楔形，并且在远离其的部分更窄第一个表面。

2. 发明授权

US06583940B2 Projection system 有权
公开(公告)号：US06583940B2
公开(公告)日：2003-06-24
申请号：US09885586
申请日：2001-06-20
申请人： Jun Nishikawa , Shigeru Sawamura , Katsuhiro Takamoto
发明人： Jun Nishikawa , Shigeru Sawamura , Katsuhiro Takamoto
IPC分类号： G02B900
CPC分类号： H04N5/7458 , G02B13/16 , G02B15/14
摘要： A projection system that is capable of providing a high-performance projection system and producing a high contrast projection image by using an optical modulation element, which can be positioned a predetermined distance away from an illumination optical system and a projection optical system. The optical modulation element is capable of modulating light received from the illumination optical system and projecting the modulated light to a projection optical system in the direction of a projection surface.

3. 发明授权

US06382799B1 Projection optical apparatus 有权
标题翻译：投影光学仪器
公开(公告)号：US06382799B1
公开(公告)日：2002-05-07
申请号：US09621157
申请日：2000-07-21
申请人： Jun Nishikawa , Shigeru Sawamura , Katsuhiro Takamoto
发明人： Jun Nishikawa , Shigeru Sawamura , Katsuhiro Takamoto
IPC分类号： G03B2114
CPC分类号： G03B21/008 , G03B21/142 , G03B21/2066
摘要： A projection optical apparatus has a light source for emitting light, an illumination optical system for emitting as illumination light the light radiated from the light source, a Digital Micromirror Device™, having a plurality of micromirrors, for separating the illumination light into signal light and unnecessary light by varying, in accordance with a signal, the angles at which the individual micromirrors reflect the illumination light shone thereon, a total internal reflection prism composed of a first prism for totally reflecting and thereby directing the illumination light exiting from the illumination optical system to the Digital Micromirror Device™ and a second prism for transmitting the signal light reflected from the Digital Micromirror Device™, and a projection optical system for projecting the signal light transmitted through the second prism onto a projection surface. Here, the f/number Fa of the illumination optical system on the Digital Micromirror Device™ side thereof, the distance xa from the Digital Micromirror Device™ to the Digital Micromirror Device™ side pupil of the illumination optical system, the distance L from the optical axis position of the Digital Micromirror Device™ to the most off-axial position thereof, and the rotation &thgr;D angle of the micromirrors constituting the Digital Micromirror Device™ fulfill the following condition, assuming that Fa falls within a range 1/{2 sin(0.85 &thgr;D)}≦Fa≦1/{2 sin(0.3 &thgr;D)}: L/[tan{&thgr;D−sin−1(1/(2·Fa))}]≦xa≦L/tan(&thgr;D−0.87 &thgr;D)
摘要翻译：投影光学装置具有用于发光的光源，用于从光源照射光的照明光学系统，具有多个微镜的数字微镜装置（TM），用于将照明光分离成信号通过根据信号改变各个微镜反射照明光的角度，由第一棱镜组成的全内反射棱镜，用于全反射，从而引导从照明出射的照明光，数字微镜器件TM的光学系统和用于传输从数字微镜器件TM反射的信号光的第二棱镜，以及用于将透过第二棱镜的信号光投影到投影表面上的投影光学系统。这里，数字微镜装置（TM）侧的照明光学系统的f /数值Fa，照明光学系统的数字微镜装置（TM）到数字微镜装置（TM）侧光瞳的距离xa，从数字微镜装置（TM）的光轴位置到最离轴位置的距离L以及构成数字微镜装置（TM）的微反射镜的旋转角度达到以下条件，假设Fa下降在1 / {2sin（0.85θD）}的范围内<= Fa <= 1 / {2sin（0.3θD）}：

4. 发明授权

US06558007B2 Illumination optical system and image projection apparatus 有权
公开(公告)号：US06558007B2
公开(公告)日：2003-05-06
申请号：US10059732
申请日：2002-01-28
申请人： Tomoko Nakagawa , Shigeru Sawamura , Katsuhiro Takamoto
发明人： Tomoko Nakagawa , Shigeru Sawamura , Katsuhiro Takamoto
IPC分类号： G03B2128
CPC分类号： H04N5/74 , F21V5/04 , F21W2131/406 , G02B19/0014 , G02B19/0047 , H04N5/7458
摘要： An illumination optical system has a light source, an integrator for making the intensity distribution of the light from the light source even, and a relay optical system for imaging the light from the integrator on a plane conjugate with the exit surface of the integrator. The relay optical system includes a rear lens unit of which the refractive power is asymmetrical in one direction so that the plane on which the light is imaged is inclined relative to the optical axis of the relay optical system. This makes it possible to direct light to an inclined surface with an even intensity distribution and with minimum loss of the illumination light.

5. 发明授权

US06454417B1 Projection optical system comprising an optical function surface for reflecting or transmitting light from a spatial light modulator 有权
标题翻译：投影光学系统包括用于反射或透射来自空间光调制器的光的光学功能表面
公开(公告)号：US06454417B1
公开(公告)日：2002-09-24
申请号：US09517236
申请日：2000-03-02
申请人： Katsuhiro Takamoto , Shigeru Sawamura
发明人： Katsuhiro Takamoto , Shigeru Sawamura
IPC分类号： G03B2100
CPC分类号： G02B26/0833 , G03B21/28
摘要： In a projector optical system provided with a DMD having minute mirror devices regularly arranged on one plane so as to correspond to the pixels of an image and selectively reflecting illuminating light in the direction of the optical axis of a projection optical system or in a direction different from the direction of the optical axis by bringing the mirror devices into an ON state or an OFF state according to the input video signals, and a prism disposed between the DMD and the projection optical system and having a first surface reflecting the illuminating light to be directed to the DMD and transmitting the light reflected at the DMD, the prism has a second surface transmitting, of the light transmitted by the first surface, light reflected at the mirror devices in the ON state and reflecting light reflected at the mirror devices in the OFF state.
摘要翻译：在具有DMD的投影仪光学系统中，具有规则地布置在一个平面上的微小反射镜装置，以对应于图像的像素，并且在投影光学系统的光轴的方向上或沿着不同的方向选择性地反射照明光通过根据输入视频信号使镜装置进入ON状态或OFF状态，以及设置在DMD和投影光学系统之间并具有反射照明光的第一表面的棱镜，从光轴方向指向DMD并透射在DMD处反射的光，棱镜具有透射由第一表面透射的光的第二表面，在反射镜装置处反射的光处于导通状态，并且反射在反射镜装置中反射的光 OFF状态。

6. 发明授权

US06840631B2 Illuminating apparatus, and projector using the illuminating apparatus 有权
标题翻译：照明装置和使用该照明装置的投影仪
公开(公告)号：US06840631B2
公开(公告)日：2005-01-11
申请号：US10131160
申请日：2002-04-24
申请人： Shigeru Sawamura , Tsutomu Yoshikawa
发明人： Shigeru Sawamura , Tsutomu Yoshikawa
IPC分类号： G03B21/00 , G02B26/08 , G03B21/28 , G02B5/04 , H04N9/12
CPC分类号： G02B26/0841
摘要： An illuminating apparatus has a light source emitting illumination light; and a prism having a plurality of reflecting surfaces and reflecting the illumination light from said light source by the reflecting surfaces to thereby bend an illumination optical path at an obtuse angle.
摘要翻译：照明装置具有发射照明光的光源; 以及棱镜，具有多个反射面，并且通过反射面反射来自所述光源的照明光，从而使照明光路以钝角弯曲。

7. 发明授权

US06357878B1 Optical system for a projector 有权
标题翻译：投影机的光学系统
公开(公告)号：US06357878B1
公开(公告)日：2002-03-19
申请号：US09480283
申请日：2000-01-10
申请人： Shigeru Sawamura
发明人： Shigeru Sawamura
IPC分类号： G03B2100
CPC分类号： G02B27/145 , G03B21/008
摘要： An optical apparatus has a reflection-type spatial light modulator having a plurality of minute variable-reflection-angle mirrors that individually deflect the light incident thereon in one of two different directions, namely in a first direction or in a second direction, in accordance with a signal fed in, an optical system to which the light deflected in the first direction by the modulator is directed, a prism disposed between the modulator and the optical system so as to direct the light deflected in the first direction by the modulator to the optical system and direct the light deflected in the second direction by the modulator to a side face of the prism, and a light-absorbing member shaped like a plane-parallel plate and disposed with an entrance face thereof kept in close contact with the side face of the prism. The light-absorbing member is so designed that the light deflected in the second direction by the modulator enters the light-absorbing member through the entrance face thereof but does not exit from the light-absorbing member through the entrance face back into the prism.
摘要翻译：光学装置具有反射型空间光调制器，该反射型空间光调制器具有多个微小的可变反射角镜，它们在两个不同方向（即沿第一方向或第二方向）中的一个方向上单独偏转入射到其上的光，馈入的信号，被调制器沿第一方向偏转的光的光学系统被引导到设置在调制器和光学系统之间的棱镜，以便将由调制器沿第一方向偏转的光引导到光学将通过调制器将第二方向偏转的光引导到棱镜的侧面，以及形成为平面平行板的光吸收部件，其设置有与入射面保持紧密接触的侧面棱镜。光吸收构件被设计成使得通过调制器沿第二方向偏转的光通过其入射面进入光吸收构件，但是不会通过入射面从光吸收构件返回到棱镜。

8. 发明授权

US08007116B2 Video projection device having a converter lens attachably and detachably provided 有权
标题翻译：具有可拆卸地设置有转换镜的视频投影装置
公开(公告)号：US08007116B2
公开(公告)日：2011-08-30
申请号：US12128518
申请日：2008-05-28
申请人： Tokuji Matsuda , Shigeru Sawamura
发明人： Tokuji Matsuda , Shigeru Sawamura
IPC分类号： G03B21/14 , G02B15/14 , G02B9/34 , G02B7/02 , G02B27/02
CPC分类号： H04N9/317 , G02B13/16 , G02B15/06 , G02B15/10 , G03B21/142
摘要： A video projection device has one of a plurality of types of projection lenses replaceably loaded and projects a video on a screen at a fixed position. The video projection device includes: a converter lens which is composed of a plurality of lenses, which is afocal as a whole, and which is detachably provided in front of the projection lens to convert projection magnification; and a gap adjustment mechanism changing a predetermined gap in the converter lens to a setting in accordance with at least one of a projection distance to the screen and the type of the projection lens loaded.
摘要翻译：视频投影装置具有可替换地加载的多种类型的投影透镜中的一种，并且在固定位置上将视频投影在屏幕上。视频投影装置包括：转换器透镜，由多个透镜构成，其整体无焦点，并且可拆卸地设置在投影透镜的前面以转换投影倍率; 以及间隙调整机构，其根据到屏幕的投影距离和投影透镜的类型中的至少一个，将转换器透镜中的预定间隙改变到设定。

9. 发明申请

US20050286136A1 PROJECTION OPTICAL SYSTEM AND PROJECTING APPARATUS PROVIDED WITH SAME 失效
标题翻译：投影光学系统和投影设备
公开(公告)号：US20050286136A1
公开(公告)日：2005-12-29
申请号：US11053028
申请日：2005-02-08
申请人： Tomokazu Masubuchi , Kohtaro Hayashi , Shigeru Sawamura
发明人： Tomokazu Masubuchi , Kohtaro Hayashi , Shigeru Sawamura
IPC分类号： G02B3/00 , G02B13/16
CPC分类号： G02B13/16
摘要： A projection optical system includes from the enlargement side a first lens unit, a mirror which is an optical path bending member, a second lens unit, and a third lens unit. The projection optical system is designed so that a condition (1), 5.5
摘要翻译：投影光学系统包括放大侧的第一透镜单元，作为光路弯曲构件的反射镜，第二透镜单元和第三透镜单元。投影光学系统被设计成满足条件（1），5.5

10. 发明授权

US06179424B2 Optical system for a projector 有权
标题翻译：投影机的光学系统
公开(公告)号：US06179424B2
公开(公告)日：2001-01-30
申请号：US09478847
申请日：2000-01-07
申请人： Shigeru Sawamura
发明人： Shigeru Sawamura
IPC分类号： G03B2100
CPC分类号： G02B26/0841
摘要： An optical apparatus has a reflection-type spatial light modulator having a plurality of minute variable-reflection-angle mirrors that individually deflect the light incident thereon in one of two different directions, namely in a first direction or in a second direction, in accordance with a signal fed in, an optical system to which the light deflected in the first direction by the modulator is directed, a prism disposed between the modulator and the optical system so as to direct the light deflected in the first direction by the modulator to the optical system and direct the light deflected in the second direction by the modulator to a side face of the prism, and a light-expelling member having a polyhedral shape and disposed with an entrance face thereof kept in close contact with the side face of the prism. The light-expelling member is so designed that the light deflected in the second direction by the modulator enters the light-expelling member through the entrance face thereof and exits from the light-expelling member through a face thereof other than the entrance face.
摘要翻译：光学装置具有反射型空间光调制器，该反射型空间光调制器具有多个微小的可变反射角镜，它们在两个不同方向（即沿第一方向或第二方向）中的一个方向上单独偏转入射到其上的光，馈入的信号，被调制器沿第一方向偏转的光的光学系统被引导到设置在调制器和光学系统之间的棱镜，以便将由调制器沿第一方向偏转的光引导到光学并将通过调制器在第二方向上偏转的光引导到棱镜的侧面，以及具有多面体形状并且设置成具有与棱镜的侧面紧密接触的入射面的排光构件。排光构件被设计成使得通过调制器沿第二方向偏转的光通过其入射面进入排光构件，并且通过除了入射面之外的其它面从排光构件出射。

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