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    • 5. 发明申请
    • LIGHT-SENSING DEVICE FOR INFORMING LIGHT-GENERATING DEVICE
    • 用于通知发光装置的光感测装置
    • WO2009044354A2
    • 2009-04-09
    • PCT/IB2008053998
    • 2008-10-01
    • PHILIPS INTELLECTUAL PROPERTYKONINKL PHILIPS ELECTRONICS NVHILGERS ACHIMACKERMANN BERND
    • HILGERS ACHIMACKERMANN BERND
    • H04Q9/00
    • H04Q9/02G01J1/32H05B33/0857H05B33/0869H05B37/0272
    • First, light-sensing devices (1) comprise sensors (11) for sensing light (3) originating from second, light-generating devices (2) and for generating sensing results and comprise generators (12) for generating information (4) in response to the sensing results and comprise transmitters (13) for wirelessly transmitting the information (4) to the second devices (2). The second devices (2) comprise lightsources (21) for generating the light (3) and comprise drivers (22) for driving the light sources (21) and comprise receivers (23) for wirelessly receiving the information (4) for adapting the driving of the light sources (21). The first devices (1) may be self-powered devices and may comprise converters (31) for converting the light (3) for feeding the first devices (1). The light sources (21) may comprise one or more light emitting diodes.
    • 首先,感光装置(1)包括用于感测源自第二光产生装置(2)的光(3)的传感器(11),并且用于产生感测结果,并且包括响应于生成信息(4)的发生器(12) 包括用于将信息(4)无线发送到第二设备(2)的发射机(13)。 第二装置(2)包括用于产生光(3)的光源(21),并且包括用于驱动光源(21)的驱动器(22),并且包括用于无线地接收信息(4)的接收器(23) 的光源(21)。 第一装置(1)可以是自供电装置,并且可以包括用于转换用于馈送第一装置(1)的光(3)的转换器(31)。 光源(21)可以包括一个或多个发光二极管。
    • 9. 发明申请
    • A COLOR CONTROLLED LIGHT SOURCE AND A METHOD FOR CONTROLLING COLOR GENERATION IN A LIGHT SOURCE
    • 一种颜色控制的光源和一种用于控制光源中颜色生成的方法
    • WO2008050294A1
    • 2008-05-02
    • PCT/IB2007/054306
    • 2007-10-23
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHSCHULZ, VolkmarACKERMANN, BerndFERI, Lorenzo
    • SCHULZ, VolkmarACKERMANN, BerndFERI, Lorenzo
    • H05B33/08
    • H05B33/0869H05B33/0818Y02B20/341
    • This invention relates to a color controlled light source comprising a plurality of colored light elements; a detector for detecting the light output of the light source and generating a detection signal; and a color control unit for generating driving signals to said light elements on the basis of said detection signal and a predetermined target color point of the light output of the light source. In order to enable detection of contributions from individual light elements to the light output of the light source, the light source further comprises a modulator for individual signature modulation of the driving signal to each one of said light elements; and a corresponding demodulator for demodulation of said detection signal and generation of actual, i.e. measured, values of the output of the individual light elements. The color control unit determines nominal values of the light output of each light element for obtaining said target color point, and compares the actual values with the nominal values. If there is a difference, it adjusts the driving signals in order to minimize the difference.
    • 本发明涉及一种包含多个有色光元件的色控光源; 用于检测光源的光输出并产生检测信号的检测器; 以及颜色控制单元,用于根据所述检测信号和光源的光输出的预定目标色点产生对所述光元件的驱动信号。 为了能够检测来自各个光元件对光源的光输出的贡献,光源还包括调制器,用于将驱动信号单独地签名调制到每个所述光元件; 以及相应的解调器,用于解调所述检测信号并产生实际的,即测量的各个光源的输出的值。 颜色控制单元确定用于获得所述目标色点的每个光元件的光输出的标称值,并将实际值与标称值进行比较。 如果存在差异,则会调整驱动信号,以最小化差异。