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    • 1. 发明公开
    • Steerable illumination source for portable devices
    • Orientierbare BeleuchtungsquellefürtragbareGeräte
    • EP2711773A2
    • 2014-03-26
    • EP13185380.6
    • 2013-09-20
    • Palo Alto Research Center Incorporated
    • Schmaelzle, Philipp H.Stowe, Timothy D.Debruyker, Dirk
    • G03B15/02G03B15/03F21V7/00G02B26/08G03B15/05
    • G03B15/02G02B26/0841G02B26/085G03B15/03G03B2215/0528G03B2215/0585H04M1/22
    • A subsystem is disclosed providing a steerable-beam light source (10). An array (16) of micromechanical reflectors may be disposed to selectively direct portions of light from a light source (14) to selected targets (O) in a scene, such as for providing composed illumination for still or video photography. The array (16) of reflectors may be continuously steerable, thereby achieving more than the mere inefficient patterning of illumination light available from prior art projection approaches, but instead efficiently redirecting light to the desired regions of the scene. The subsystem may be sufficiently compact so as to permit integration with a compact camera into a cellular telephone, a tablet computer, a laptop computer, a digital still-image camera, a digital video-image camera, and so on. The array (16) may be operated in conjunction with a camera controller to selectively illuminate one or more targets (O) of focus or zoom or omit illumination of undesirable image regions.
    • 公开了一种提供可转向光束光源(10)的子系统。 可以设置微机电反射器的阵列(16)以选择性地将来自光源(14)的光的一部分引导到场景中的选定目标(O),例如用于为静止或视频摄影提供合成照明。 反射器的阵列(16)可以是连续可控的,从而实现比现有技术的投影方法可获得的照明光的低效图案化,而是有效地将光重定向到场景的期望区域。 该子系统可以足够紧凑,以便允许将小型照相机集成到蜂窝电话,平板计算机,膝上型计算机,数字静态图像相机,数字视频图像相机等中。 阵列(16)可以与照相机控制器一起操作以选择性地照亮一个或多个焦点或变焦目标(O)或省略不期望的图像区域的照明。
    • 5. 发明公开
    • Large format microfluidic digital display
    • Großesdigitales mikrofluidisches显示
    • EP2116987A1
    • 2009-11-11
    • EP09159590.0
    • 2009-05-07
    • Palo Alto Research Center Incorporated
    • Peeters, EricUhland, ScottSchmaelzle, Philipp H.
    • G09F9/37G09F13/24
    • G09F9/37G02B5/24G02B26/004G09F9/375G09F13/24
    • Microfluidic pixels (110) are utilized to produce large format displays (billboards) (100) that are both digitally controllable and are light weight. Each microfluidic pixel (110) includes a wall having a front (display) surface, and a microfluidic system including a reservoir disposed behind the wall, a colorant fluid, a transparent display chamber disposed in front of the wall, a conduit, and a two-way pump. In the absence of colorant fluid in display chamber, the pixel (110) has a background appearance determined by the color (e.g., white) of the front wall surface. The pump receives a digital control signal from a digital control circuit to transfer colorant fluid from the reservoir to the display chamber by way of the conduit, whereby the pixel's appearance changes to a "colored" appearance determined by the color and amount of the colorant fluid in the display chamber.
    • 微流体像素(110)用于产生数字可控且重量轻的大格式显示器(广告牌)(100)。 每个微流体像素(110)包括具有前(显示器)表面的壁和包括设置在壁后面的储存器的微流体系统,着色剂流体,设置在壁前面的透明显示室,导管和两个 路泵。 在显示室中没有着色剂流体的情况下,像素(110)具有由前壁表面的颜色(例如白色)确定的背景外观。 泵从数字控制电路接收数字控制信号,以通过导管将着色剂流体从储存器转移到显示室,由此像素的外观变为由着色剂流体的颜色和数量确定的“有色”外观 在显示室。