公开(公告)号：US5267061A

公开(公告)日：1993-11-30

申请号：US899580

申请日：1992-06-12

申请人： David A. Ansley ,  Eric C. Haseltine

发明人： David A. Ansley ,  Eric C. Haseltine

IPC分类号： G02B5/28 ,  G02B27/00 ,  G02B27/01 ,  G09B9/00 ,  G09B9/32 ,  G02B3/00 ,  G03H1/00

CPC分类号： G02B27/0101 ,  G09B9/003 ,  G09B9/326 ,  G02B2027/012 ,  G02B2027/0187 ,  G02B5/28

摘要： Selective light-transmitting filters for use with catadioptic area-of-interest display projectors and projection system provide complementary filters for two or more persons. One of the complementary filters permits all radiance at one predetermined, desired wavelength to be transmitted while rejecting or absorbing all others. The complementary filter for a second viewer transmits substantially all radiance at a second predetermined desired wavelength and absorbs or reflects all others, thus permitting each viewer to see only predetermined, desired displays or parts of a display that are projected simultaneously within the system.

摘要翻译： 选择性透光过滤器用于感应式感兴趣区域显示投影仪和投影系统，可为两个或多个人提供补充过滤器。 互补滤波器之一允许在一个预定的期望波长下发射所有辐射，同时排斥或吸收所有其它波长。 用于第二观看者的互补滤光器基本上以第二预定期望波长发射所有辐射，并且吸收或反射所有其它波长，从而允许每个观看者仅看到在系统内同时投射的预定的期望的显示器或部分显示器。

公开(公告)号：US07038776B1

公开(公告)日：2006-05-02

申请号：US11089899

申请日：2005-03-25

申请人： David A. Ansley ,  Robert B. Herrick

发明人： David A. Ansley ,  Robert B. Herrick

IPC分类号： G01J4/00

CPC分类号： G01J4/04

摘要： A polarimeter simultaneously measures the Stokes vectors of a light beam using an optics unit with a slit with a slit axis, a foreoptics that focuses the light beam from the point location through the slit, a collimator that receives the light beam from the slit and collimates the light beam, a cylinder lens that receives the light beam from the collimator, wherein the cylinder lens has a cylindrical axis parallel to the slit axis, a re-imaging lens that images the light beam from the cylinder lens onto a focal plane, and a set of polarizing filters including three polarization filters having three different polarizations. The polarization filters are adjacent to each other in a direction perpendicular to the slit axis and lie between the cylinder lens and the focal plane so that the light beam is directed onto the set of polarizing filters.

摘要翻译： 旋光仪同时使用具有狭缝轴的狭缝的光学单元同时测量光束的斯托克斯矢量，将来自点位置的光束聚焦通过狭缝的前视光;接收来自狭缝的光束并准直的准直器 所述光束，接收来自所述准直仪的光束的柱面透镜，其中所述柱面透镜具有平行于所述狭缝轴的圆柱轴;将来自所述柱面透镜的光束成像到焦平面上的再成像透镜;以及 一组偏振滤光片，包括三个具有三个不同偏振的偏振滤光片。 偏振滤光器在垂直于狭缝轴线的方向上彼此相邻，并且位于柱面透镜和焦平面之间，使得光束被引导到偏振滤光器组上。

公开(公告)号：US6122051A

公开(公告)日：2000-09-19

申请号：US090712

申请日：1998-06-04

申请人： David A. Ansley ,  Lacy G. Cook

发明人： David A. Ansley ,  Lacy G. Cook

IPC分类号： G01J3/04 ,  G01J3/28 ,  G01J3/14

CPC分类号： G01J3/02 ,  G01J3/0208 ,  G01J3/0294 ,  G01J3/04 ,  G01J3/2823

摘要： A multi-slit spectrometer is combined with a two-dimensional detector array to enable simultaneous spectral analysis of several objects, improving the signal-to-noise ratio of multispectral imagery. The multi-slit spectrometer includes a multi-slit structure defining a plurality of parallel thin slits, and a first lens for directing object light onto the multi-slit structure. A second lens collimates and directs light which has passed through the slits of the multi-slit structure onto a light dispersing element such as a dispersing prism or a diffraction grating. A third lens focuses light which has passed through the light dispersing element onto the two-dimensional detector array at an image plane. A two dimensional detector array of detector elements is placed at the image plane. The slits are separated by a separation distance equal to an integral multiple of the detector width dimension, where the multiple is equal to (N times the number of slits) plus or minus one, where N is an integer. In an airborne sensor, a mirror which rotates at an angular velocity related to the velocity of the airborne platform directs object light onto the first lens, freezing the image from one or more objects onto the multi-slit structure for an integration time.

摘要翻译： 多狭缝光谱仪与二维检测器阵列相结合，可同时对多个物体进行光谱分析，从而提高多光谱图像的信噪比。 多狭缝光谱仪包括限定多个平行薄狭缝的多狭缝结构和用于将物体光引导到多狭缝结构上的第一透镜。 第二透镜将通过多狭缝结构的狭缝的光准直并引导到诸如分散棱镜或衍射光栅的光分散元件上。 第三透镜将已经通过光分散元件的光聚焦在图像平面上的二维检测器阵列上。 检测器元件的二维检测器阵列放置在图像平面处。 狭缝被分开等于检测器宽度尺寸的整数倍的间隔距离，其中倍数等于（N倍的狭缝数）加或减1，其中N是整数。 在机载传感器中，以与空中平台的速度相关的角速度旋转的反射镜将物体光引导到第一透镜上，将图像从一个或多个物体冷冻到多狭缝结构上用于积分时间。

公开(公告)号：US5541769A

公开(公告)日：1996-07-30

申请号：US341811

申请日：1994-11-18

申请人： David A. Ansley ,  James D. Zimmerman ,  Ashok Sisodia

发明人： David A. Ansley ,  James D. Zimmerman ,  Ashok Sisodia

IPC分类号： G03B21/56 ,  G09B9/32 ,  G03H1/14

CPC分类号： G09B9/32 ,  G03B21/56

摘要： A uniform-brightness, high-gain projection screen is especially suited for reflecting radiation from a projector to a viewer who is spaced from the projector along a projection axis. The screen is formed with a plurality of reflective faces that each form at least a portion of a ring that is transverse to the projector axis, have different spacings from the projector and are axially tilted to set the projector-face angle equal to the viewer-face angle. The faces are preferably defined by a plurality of tiles that are bonded to the interior of a projection dome such as a flight simulator dome.

摘要翻译： 均匀亮度的高增益投影屏幕特别适用于将投影仪的辐射反射到沿着投影轴与投影仪间隔开的观察者。 屏幕形成有多个反射面，每个反射面形成横向于投影仪轴的环的至少一部分，与投影仪具有不同的间隔并且轴向倾斜以将投影仪面角度设置为等于观看者 - 面角。 这些表面优选地由结合到诸如飞行模拟器圆顶的投影圆顶的内部的多个瓦片限定。

公开(公告)号：US5319490A

公开(公告)日：1994-06-07

申请号：US946510

申请日：1992-09-16

申请人： David A. Ansley

发明人： David A. Ansley

IPC分类号： G02B6/04 ,  G02B27/00 ,  G02B27/01 ,  G09B9/30 ,  G09B9/32 ,  G02B26/10 ,  G02B27/10

CPC分类号： G09B9/326 ,  G02B27/017 ,  G02B27/0172 ,  G09B9/30 ,  G09B9/307 ,  G02B2027/014 ,  G02B2027/0154 ,  G02B6/04

摘要： An improved helmet mounted display. The inventive display includes a laser and a fiber optic cable having an array having two sets of rows of optical fibers and being mounted to receive input from said laser at a input end and to illuminate a screen with light from said laser via an output end thereof. A particularly novel aspect of the invention is the provision of a first mechanism at the input end of the fiber optic cable for illuminating a first set of rows of fibers in the array with light from the laser during a first scanning interval and for illuminating a second set of rows of fibers in the array with light from the laser during a second scanning interval. A second tilting mechanism is mounted at the output end of the fiber optic cable for directing illumination from the first set of rows of fibers in the array to a screen during the first scanning interval and for directing illumination from the second set of rows of fibers in the array to the screen during the second scanning interval. An actuator is provided for moving the first and second tilting mechanisms synchronously. In a specific implementation, the first and second tilting mechanisms are glass plates and the actuator is a piezo-electric transducer. By repeating a scan over a second set of fibers, the visibility of dead spots in the output image from broken fibers is mitigated.

摘要翻译： 改进的头戴式显示器。 本发明的显示器包括激光器和光纤电缆，其具有具有两组光纤阵列的阵列，并被安装成在输入端接收来自所述激光器的输入，并且通过其输出端的来自所述激光器的光来照亮屏幕 。 本发明的一个特别新颖的方面是在光纤电缆的输入端处提供第一机构，用于在第一扫描间隔期间用来自激光器的光照射阵列中的第一组光纤，并且用于照亮第二组 在第二扫描间隔期间来自激光器的光在阵列中的一排光纤。 第二倾斜机构安装在光纤电缆的输出端处，用于将来自阵列中的第一组光纤的照明引导到第一扫描间隔期间的屏幕，并且用于引导来自第二组光纤的照明 该阵列在第二扫描间隔期间到屏幕。 提供用于同步地移动第一和第二倾斜机构的致动器。 在具体实施方式中，第一和第二倾斜机构是玻璃板，并且致动器是压电换能器。 通过在第二组纤维上重复扫描，减轻了来自破碎的纤维的输出图像中死点的可视性。

公开(公告)号：US5677788A

公开(公告)日：1997-10-14

申请号：US623493

申请日：1996-03-28

申请人： Chungte W. Chen ,  James D. Zimmerman ,  David A. Ansley

发明人： Chungte W. Chen ,  James D. Zimmerman ,  David A. Ansley

IPC分类号： G02B5/04 ,  G02B27/18 ,  G03B21/00 ,  H04N9/31 ,  G02B17/00

CPC分类号： H04N9/3105

摘要： A high efficiency, high performance full color projection system. The system includes a one-to-one relay and a refractive projection lens system. The one-to-one relay combines the outputs from two different spectral image sources, such as blue and red image sources. The refractive projection lens further combines the output from a third spectral image source, such as a green image source, with the combined images from the other two image sources relayed through the one-to-one relay to produce a single output. The one-to-one relay includes three modules, a spherical primary module, a spherical secondary module and a spectral combining module. The refractive projection lens system includes a beam combiner and a projection optics.

摘要翻译： 高效率，高性能的全彩投影系统。 该系统包括一对一继电器和折射投影透镜系统。 一对一继电器组合来自两个不同光谱图像源的输出，例如蓝色和红色图像源。 折射投影透镜还将来自第三光谱图像源（例如绿色图像源）的输出与来自通过一对一继电器中继的另外两个图像源的组合图像组合以产生单个输出。 一对一继电器包括三个模块，一个球形主模块，一个球面二次模块和一个频谱组合模块。 折射投影透镜系统包括光束组合器和投影光学器件。

公开(公告)号：US5546202A

公开(公告)日：1996-08-13

申请号：US261520

申请日：1994-06-17

申请人： David A. Ansley

发明人： David A. Ansley

IPC分类号： G02F1/13 ,  G02B27/18 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/13357 ,  G03B21/14 ,  G03B21/62 ,  H04N5/74

CPC分类号： G03B21/62 ,  H04N5/7441 ,  G02F1/1334 ,  G02F1/133526

摘要： In a display system suitable for high ambient light environments, a lamp is used simply as a light source to illuminate a rear projection display screen, which is a matrix of tiny cells that modulate the light at video rates. Each cell includes a polymer dispersed liquid crystal (PDLC), a focusing lens and a pinhole aperture. When the PDLC is electrically activated, light passing through the PDLC is scattered in many directions, and very little light passes through the pinhole aperture and is seen by the viewer. When the PDLC is not electrically activated, light passing through the PDLC is not scattered, the lens of each cell focuses the light through the pinhole aperture, and the viewer sees a bright spot of light.

摘要翻译： 在适用于高环境光环境的显示系统中，灯被简单地用作照明背投显示屏的光源，该背投显示屏是以视频速率调制光的微小单元的矩阵。 每个电池包括聚合物分散液晶（PDLC），聚焦透镜和针孔。 当PDLC电激活时，穿过PDLC的光在许多方向上散射，并且很少的光穿过针孔，并且被观察者看到。 当PDLC未被电激活时，通过PDLC的光不会散射，每个单元的透镜将光通过针孔开孔聚焦，并且观察者看到亮点。

公开(公告)号：US5803570A

公开(公告)日：1998-09-08

申请号：US762114

申请日：1996-12-10

申请人： Chungte W. Chen ,  James D. Zimmerman ,  David A. Ansley

发明人： Chungte W. Chen ,  James D. Zimmerman ,  David A. Ansley

IPC分类号： H04N9/31 ,  H04N17/00 ,  H04N17/04 ,  G03B21/14

CPC分类号： H04N9/3185 ,  H04N17/04 ,  H04N9/3194

摘要： A calibration system and method for a display optical system including a projector and a projection screen. A calibration camera is inserted between the projector and the screen to receive the radiation directly from the projector. The image focused by the camera lens is captured by a charge-coupled device, and processed by a controller. The result is fed back to the image generator of the projector for further improvement in the image quality.

摘要翻译： 一种用于包括投影仪和投影屏幕的显示光学系统的校准系统和方法。 在投影机和屏幕之间插入校准摄像机，以直接从投影机接收辐射。 由相机镜头聚焦的图像由电荷耦合装置捕获，并由控制器处理。 将结果反馈给投影仪的图像发生器，以进一步提高图像质量。

公开(公告)号：US5715094A

公开(公告)日：1998-02-03

申请号：US758324

申请日：1996-12-03

申请人： David A. Ansley ,  Chungte W. Chen ,  Ronald G. Hegg

发明人： David A. Ansley ,  Chungte W. Chen ,  Ronald G. Hegg

IPC分类号： G02B27/00 ,  G02B27/01 ,  G02B27/14

CPC分类号： G02B27/017 ,  G02B27/0172 ,  G02B2027/011 ,  G02B2027/0132

摘要： A helmet/head mounted display including a display image source and a reflective visor for each eye. The image source includes a fiber optic cover plate with a planar input surface and a curved output surface which has curvature providing the correct curvature. The image source further includes a self-emitting device such as a field electrode display or electroluminescent device, or a polymer dispersed liquid crystal (PDLC) sandwiched between a thin, sharply tapered fiber optic plate and the fiber optic cover plate. For the PDLC image source, back light illumination is introduced through the tapered fiber optic plate, passes through or is scattered by the PDLC and then through the fiber optic face plate to the visor, for reflection to the observer's eye. The fiber optic face plate is constructed with a very low numerical aperture. The fibers of the cover plate are oriented toward the eye as seen in the reflection from the visor to reduce undesirable reflected light. No lenses or beam splitters are in the light path between the image source and the visor.

摘要翻译： 头盔/头戴式显示器，包括用于每只眼睛的显示图像源和反射遮阳板。 图像源包括具有平面输入表面的光纤盖板和具有提供正确曲率的曲率的弯曲输出表面。 图像源还包括诸如场电极显示器或电致发光器件的自发射器件或夹在薄的尖锐锥形光纤板和光纤覆盖板之间的聚合物分散液晶（PDLC）。 对于PDLC图像源，背光照明通过锥形光纤板引入，通过PDLC散射，然后通过光纤面板到达遮阳板，以反射到观察者的眼睛。 光纤面板的数值孔径非常小。 如从遮阳板的反射中看到的，盖板的纤维朝向眼睛定向以减少不期望的反射光。 没有镜头或分束器在图像源和遮阳板之间的光路中。

公开(公告)号：US5546492A

公开(公告)日：1996-08-13

申请号：US356981

申请日：1994-12-15

申请人： David A. Ansley ,  Ashok Sisodia

发明人： David A. Ansley ,  Ashok Sisodia

IPC分类号： G02B6/00 ,  G02B5/02 ,  G02B6/06 ,  G02B26/10 ,  G02B27/00 ,  G02B27/01 ,  G02B27/02 ,  G09F9/00 ,  H04N5/64

CPC分类号： G02B6/06 ,  G02B26/103 ,  G02B27/017 ,  G02B27/0172 ,  G02B2027/014 ,  G02B2027/0152 ,  G02B2027/0154 ,  G02B27/0149 ,  G02B5/02

摘要： A lightweight fiber optic television display useful for front and rear projection systems. An array of pixels such as a fiber optic (FO) ribbon has an input end which receives input light illuminating the pixels so as to create a first dimension of the display. The output end of the FO ribbon is moved relative to the observer to create a second dimension. The FO ribbon is clamped by a clamp near the output end and vibrated by a driver so that the output end of the ribbon is moved to obtain the second dimension. A lens is disposed between the vibrating end of the FO ribbon and a projection screen, and images the two dimensional image formed by the vibrating output end of the ribbon onto the screen. The projection screen may be either a rear or front projection screen. The FO ribbon may include a single row of fibers, or multiple rows to improve the image quality.

摘要翻译： 用于前后投影系统的轻型光纤电视显示器。 诸如光纤（FO）带的像素阵列具有输入端，其接收照亮像素的输入光，以便产生显示器的第一维度。 FO色带的输出端相对于观察者移动以创建第二维。 FO带通过靠近输出端的夹具夹紧并由驱动器振动，使得带的输出端移动以获得第二尺寸。 将透镜设置在FO带的振动端和投影屏之间，并将由色带的振动输出端形成的二维图像成像到屏幕上。 投影屏幕可以是后投影屏幕或前投影屏幕。 FO带可以包括单行纤维或多行以提高图像质量。