Compact image projection arrangement with correction for laser beam angular misalignment
    51.
    发明授权
    Compact image projection arrangement with correction for laser beam angular misalignment 有权
    紧凑型图像投影布置,校正激光束角度偏移

    公开(公告)号:US07883214B2

    公开(公告)日:2011-02-08

    申请号:US11711980

    申请日:2007-02-28

    IPC分类号: G03B21/38 G03B21/14

    摘要: A lightweight, compact image projection module has a laser package having a common exit port, and a plurality of lasers mounted in the package and operative for emitting a plurality of laser beams of different wavelengths through the common exit port. An optical assembly focuses the laser beams exiting the common exit port, and includes a common focusing lens through which the laser beams pass along respective paths that are in angular misalignment. An optical corrector element in at least one of the paths corrects the misalignment to produce aligned beams. A scanner sweeps the aligned beams in a pattern of scan lines, each scan line having a number of pixels. A controller causes selected pixels to be illuminated, and rendered visible, by the aligned beams to produce the image.

    摘要翻译: 一种轻巧紧凑的图像投影模块具有具有公共出口的激光器封装和安装在封装中的多个激光器,并用于通过公共出口发射多个不同波长的激光束。 光学组件将离开公共出口的激光束聚焦,并且包括公共聚焦透镜,激光束沿着相对于角度未对准的路径通过。 至少一个路径中的光学校正元件校正了未对准以产生对准的光束。 扫描器以扫描线的图案扫描对准的光束,每个扫描线具有多个像素。 控制器使所选择的像素被对准的光束照亮并变得可见,以产生图像。

    Image Projection Arrangement with Divergent Light Beams
    52.
    发明申请
    Image Projection Arrangement with Divergent Light Beams 有权
    图像投影布置与发散光束

    公开(公告)号:US20110090467A1

    公开(公告)日:2011-04-21

    申请号:US12978914

    申请日:2010-12-27

    IPC分类号: G03B21/28 G02B26/10 F21V7/04

    摘要: A lightweight, compact image projection module has a laser package having a common exit port, and a plurality of lasers mounted in the package and operative for emitting a plurality of laser beams of different wavelengths through the common exit port. An optical assembly focuses the laser beams exiting the common exit port, and includes a common focusing lens through which the laser beams pass along respective paths that are in angular misalignment. An optical corrector element in at least one of the paths corrects the misalignment to produce aligned beams. A scanner sweeps the aligned beams in a pattern of scan lines, each scan line having a number of pixels. A controller causes selected pixels to be illuminated, and rendered visible, by the aligned beams to produce the image.

    摘要翻译: 一种轻巧紧凑的图像投影模块具有具有公共出口的激光器封装和安装在封装中的多个激光器,并用于通过公共出口发射多个不同波长的激光束。 光学组件将离开公共出口的激光束聚焦,并且包括公共聚焦透镜,激光束沿着相对于角度未对准的路径通过。 至少一个路径中的光学校正元件校正了未对准以产生对准的光束。 扫描器以扫描线的图案扫描对准的光束,每个扫描线具有多个像素。 控制器使所选择的像素被对准的光束照亮并变得可见,以产生图像。

    Color image projection system and method
    53.
    发明授权
    Color image projection system and method 失效
    彩色图像投影系统和方法

    公开(公告)号:US07511771B2

    公开(公告)日:2009-03-31

    申请号:US11263488

    申请日:2005-10-31

    IPC分类号: H04N9/28 G03B21/26

    摘要: An image projection system projects an image on a projection screen having phosphor particles for converting incident violet light into green light which, together with red and blue light, creates the image in full color. The phosphor particles are bound in a binding material whose index of refraction matches the index of refraction of the phosphor particles to reduce back scattering of light.

    摘要翻译: 图像投影系统将具有用于将入射的紫色光转换成荧光体颗粒的投影屏幕上的图像投射到绿色光中,其与红色和蓝色光一起全色地产生图像。 荧光体颗粒被束缚在粘合材料中,其折射率与荧光体颗粒的折射率匹配以减少光的反向散射。

    Image projection with reduced speckle noise
    54.
    发明授权
    Image projection with reduced speckle noise 失效
    具有减少斑点噪声的图像投影

    公开(公告)号:US07304795B2

    公开(公告)日:2007-12-04

    申请号:US11116645

    申请日:2005-04-28

    IPC分类号: G03B21/56 G03B21/60

    CPC分类号: G03B21/56

    摘要: An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is modified and/or the bandwidth of a laser is increased, to reduce speckle noise in the image.

    摘要翻译: 壳体内的图像投影模块可操作用于使光栅图案中的所选像素被照亮以在VGA质量的显示屏上产生图像。 屏幕被修改和/或激光的带宽增加,以减少图像中的斑点噪声。

    Image projection screen with reduced speckle noise
    56.
    发明授权
    Image projection screen with reduced speckle noise 有权
    减少斑点噪音的图像投影屏幕

    公开(公告)号:US07199933B2

    公开(公告)日:2007-04-03

    申请号:US11131138

    申请日:2005-05-17

    IPC分类号: G02B27/10 G03B21/60 G03B21/56

    摘要: An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is provided with an array of lenslets to reduce speckle noise in the image.

    摘要翻译: 壳体内的图像投影模块可操作用于使光栅图案中的所选像素被照亮以在VGA质量的显示屏上产生图像。 屏幕上设有一个小透镜阵列,以减少图像中的斑点噪音。

    Image projection screen with reduced speckle noise
    57.
    发明申请
    Image projection screen with reduced speckle noise 有权
    减少斑点噪音的图像投影屏幕

    公开(公告)号:US20060262409A1

    公开(公告)日:2006-11-23

    申请号:US11131138

    申请日:2005-05-17

    IPC分类号: G02B27/10

    摘要: An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is provided with an array of lenslets to reduce speckle noise in the image.

    摘要翻译: 壳体内的图像投影模块可操作用于使光栅图案中的所选像素被照亮以在VGA质量的显示屏上产生图像。 屏幕上设有一个小透镜阵列,以减少图像中的斑点噪音。

    Piezoelectric motor drive circuit and method
    58.
    发明授权
    Piezoelectric motor drive circuit and method 有权
    压电电机驱动电路及方法

    公开(公告)号:US07227294B2

    公开(公告)日:2007-06-05

    申请号:US11119060

    申请日:2005-04-29

    IPC分类号: H01L41/09

    摘要: A piezoelectric transducer is driven to mechanically oscillate a mirror at a mechanical resonant frequency with high precision despite frequency variations introduced by temperature, tolerances and ageing of components. Switches are actuated at different times in order to make the drive frequency correspond to the mechanical resonant frequency.

    摘要翻译: 驱动压电换能器以机械振荡机械谐振频率的高精度的振荡器,尽管由温度,容差和元件老化引起的频率变化。 开关在不同时间启动,以使驱动频率对应于机械谐振频率。

    Arrangement for, and a method of, reducing image distortion due to electrical interference
    59.
    发明申请
    Arrangement for, and a method of, reducing image distortion due to electrical interference 有权
    用于减少由于电气干扰引起的图像失真的方案和方法

    公开(公告)号:US20060290774A1

    公开(公告)日:2006-12-28

    申请号:US11165737

    申请日:2005-06-24

    IPC分类号: B41J15/14 B41J27/00

    CPC分类号: H04N9/3129

    摘要: Electrical interference between resonant, drive and line frequencies in a drive is reduced by selecting the resonant frequency to be non-harmonically related to the drive and line frequencies. The drive is of beneficial use in a lightweight, compact image projection module operative for causing selected pixels in a raster pattern to be illuminated to produce a non-distorted image of high resolution of VGA quality in color.

    摘要翻译: 通过选择与驱动和线路频率非谐波相关的谐振频率来减小驱动器中谐振,驱动和线路频率之间的电气干扰。 该驱动器在轻量级紧凑的图像投影模块中是有益的,该模块可操作用于使得光栅图案中的所选像素被照亮以产生VGA质量的高分辨率的非失真图像。