Arrangement for, and a method of, reducing image distortion due to electrical interference
    1.
    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。

    Arrangement for and method of increasing pixel symmetry, especially for image projection arrangements
    2.
    发明申请
    Arrangement for and method of increasing pixel symmetry, especially for image projection arrangements 有权
    增加像素对称性的方法和方法,特别是对于图像投影布置

    公开(公告)号:US20060262179A1

    公开(公告)日:2006-11-23

    申请号:US11131139

    申请日:2005-05-17

    IPC分类号: B41J2/435

    摘要: A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in color. The pixels are rendered symmetrical in cross-section by aligning a narrow dimension of a beam spot of a laser beam along scan lines of the raster pattern.

    摘要翻译: 特别是用于安装在具有透光窗口的壳体中的轻巧紧凑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产生VGA质量的高分辨率图像。 通过沿着光栅图案的扫描线对准激光束的光束点的窄尺寸,使像素在横截面中呈现对称。

    Method and apparatus for controllably reducing power delivered by a laser projection display
    4.
    发明授权
    Method and apparatus for controllably reducing power delivered by a laser projection display 有权
    用于可控地减少由激光投射显示器传递的功率的方法和装置

    公开(公告)号:US07030353B2

    公开(公告)日:2006-04-18

    申请号:US10836813

    申请日:2004-04-30

    IPC分类号: G01J1/32

    CPC分类号: H04N9/3129

    摘要: A method and apparatus are provided to controllably reduce power of a laser projection display (LPD) in response to detecting a variation in a viewing surface. During the operation of the LPD, a controller 142 monitors laser light being reflected from the viewing surface. Since the controller 142 “knows” the amount of power that the LPD is being instructed to deliver, it may compare the known power to the reflected laser light to determine if a foreign object may be in the path of the laser light, and therefore, affecting the magnitude of the laser light. The controller 142 responds to detecting such an event by reducing power to the lasers.

    摘要翻译: 提供了一种方法和装置,用于响应于检测到观察表面的变化而可控地降低激光投影显示器(LPD)的功率。 在LPD的操作期间,控制器142监视从观察表面反射的激光。 由于控制器142“知道”LPD正在被指示传送的功率量,所以它可以将已知功率与反射的激光进行比较,以确定异物是否在激光的路径中,因此, 影响激光的大小。 控制器142通过减少对激光器的功率来响应来检测这种事件。

    Method and apparatus for controllably reducing power delivered by a laser projection display
    5.
    发明申请
    Method and apparatus for controllably reducing power delivered by a laser projection display 有权
    用于可控地减少由激光投射显示器传递的功率的方法和装置

    公开(公告)号:US20050175048A1

    公开(公告)日:2005-08-11

    申请号:US10836813

    申请日:2004-04-30

    IPC分类号: G03B21/14 H04N9/31 H01S3/13

    CPC分类号: H04N9/3129

    摘要: A method and apparatus are provided to controllably reduce power of a laser projection display (LPD) in response to detecting a variation in a viewing surface. During the operation of the LPD, a controller 142 monitors laser light being reflected from the viewing surface. Since the controller 142 “knows” the amount of power that the LPD is being instructed to deliver, it may compare the known power to the reflected laser light to determine if a foreign object may be in the path of the laser light, and therefore, affecting the magnitude of the laser light. The controller 142 responds to detecting such an event by reducing power to the lasers.

    摘要翻译: 提供了一种方法和装置,用于响应于检测到观察表面的变化而可控地降低激光投影显示器(LPD)的功率。 在LPD的操作期间,控制器142监视从观察表面反射的激光。 由于控制器142“知道”LPD正在被指示传送的功率量,所以它可以将已知功率与反射的激光进行比较,以确定异物是否在激光的路径中,因此, 影响激光的大小。 控制器142通过减少对激光器的功率来响应来检测这种事件。

    Laser projection display
    7.
    发明授权
    Laser projection display 有权
    激光投影显示

    公开(公告)号:US07369584B2

    公开(公告)日:2008-05-06

    申请号:US10883479

    申请日:2004-06-30

    IPC分类号: H01S3/10

    CPC分类号: H04N9/3129

    摘要: A method and apparatus are provided for controlling the operation of a Laser Projection Display (LPD). Generally, the LPD is comprised of a laser, an optical system and a controller. The laser is adapted to emit a beam of laser light. The optical system is adapted to scan the beam of laser light on a display surface in a two-dimensional raster pattern. The controller is adapted to control the rate at which the laser beam is scanned to produce regions of varying resolution on the display surface. The controller is also adapted to present laser light onto the display surface within only selected portions of the two-dimensional raster scan pattern so that spaced apart image regions may be created.

    摘要翻译: 提供了一种用于控制激光投影显示器(LPD)的操作的方法和装置。 通常,LPD由激光器,光学系统和控制器组成。 激光器适于发射激光束。 光学系统适于以二维光栅图案扫描显示表面上的激光束。 控制器适于控制激光束被扫描的速率,以在显示表面上产生不同分辨率的区域。 该控制器还适于在仅在二维光栅扫描图案的选定部分内的显示表面上呈现激光,使得可以产生间隔开的图像区域。