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    • 1. 发明授权
    • Color controlled light source and a method for controlling color generation in a light source
    • 颜色控制光源和用于控制光源中的颜色产生的方法
    • US09179516B2
    • 2015-11-03
    • US12446482
    • 2007-10-23
    • Eduard J. MeijerJohn B. MillsVolkmar SchulzBernd AckermanLorenzo FeriHans M. B. Boeve
    • Eduard J. MeijerJohn B. MillsVolkmar SchulzBernd AckermanLorenzo FeriHans M. B. Boeve
    • G01J1/32H05B37/02H05B33/08
    • H05B33/0869H05B33/0818H05B33/086H05B37/0245Y02B20/341
    • This invention relates to a color controlled light source comprising a plurality of colored light elements, and a plurality of (filtered) photo detectors, having different spectral characteristics covering all or most of the total spectrum of the light elements. The (filtered) photo detectors detect the light output of the light source, and generate corresponding detection signals. The light source further has a color control unit for generating driving signals to the light elements on the basis of the detection signals and a predetermined target color point of the light output of the light source, and a modulator for individual signature modulation of the driving signal to each one of said light elements. A corresponding demodulator is provided for demodulation of the detection signals and extraction, from each detection signal, of actual values of the light outputs of the light elements. The color control unit has means for determining the spectral output of each light element on basis of the actual values, means for determining an actual color point from said spectral outputs of all light elements, and means for comparing said target color point with said actual color point and, if there is a difference, adjusting said driving signals in order to minimize the difference.
    • 本发明涉及一种包括多个有色光元件的彩色控制光源和多个(滤光的)光电检测器,其具有覆盖光元件全部或大部分光谱特性的不同光谱特性。 (滤波的)光电检测器检测光源的光输出,并产生相应的检测信号。 光源还具有颜色控制单元,用于根据检测信号和光源的光输出的预定目标色点产生对光元件的驱动信号,以及用于驱动信号的单独签名调制的调制器 到每个所述光元件。 提供相应的解调器用于解调检测信号,并从每个检测信号提取光元件的光输出的实际值。 颜色控制单元具有用于基于实际值确定每个光元件的光谱输出的装置,用于从所有光元件的所述光谱输出确定实际色点的装置,以及用于将所述目标色点与所述实际颜色进行比较的装置 并且如果存在差异,则调整所述驱动信号以使差异最小化。
    • 2. 发明申请
    • COLOR CONTROLLED LIGHT SOURCE AND A METHOD FOR CONTROLLING COLOR GENERATION IN A LIGHT SOURCE
    • 颜色控制光源和控制光源中颜色生成的方法
    • US20100327755A1
    • 2010-12-30
    • US12446482
    • 2007-10-23
    • Eduard J. MeijerJohn B. MillsVolkmar SchulzBernd AckermanLorenzo FeriHans M.B. Boeve
    • Eduard J. MeijerJohn B. MillsVolkmar SchulzBernd AckermanLorenzo FeriHans M.B. Boeve
    • H05B37/02
    • H05B33/0869H05B33/0818H05B33/086H05B37/0245Y02B20/341
    • This invention relates to a color controlled light source comprising a plurality of colored light elements, and a plurality of (filtered) photo detectors, having different spectral characteristics covering all or most of the total spectrum of the light elements. The (filtered) photo detectors detect the light output of the light source, and generate corresponding detection signals. The light source further has a color control unit for generating driving signals to the light elements on the basis of the detection signals and a predetermined target color point of the light output of the light source, and a modulator for individual signature modulation of the driving signal to each one of said light elements. A corresponding demodulator is provided for demodulation of the detection signals and extraction, from each detection signal, of actual values of the light outputs of the light elements. The color control unit has means for determining the spectral output of each light element on basis of the actual values, means for determining an actual color point from said spectral outputs of all light elements, and means for comparing said target color point with said actual color point and, if there is a difference, adjusting said driving signals in order to minimize the difference.
    • 本发明涉及一种包括多个有色光元件的彩色控制光源和多个(滤光的)光电检测器,其具有覆盖光元件全部或大部分光谱特性的不同光谱特性。 (滤波的)光电检测器检测光源的光输出,并产生相应的检测信号。 光源还具有颜色控制单元,用于根据检测信号和光源的光输出的预定目标色点产生对光元件的驱动信号,以及用于驱动信号的单独签名调制的调制器 到每个所述光元件。 提供相应的解调器用于解调检测信号,并从每个检测信号提取光元件的光输出的实际值。 颜色控制单元具有用于基于实际值确定每个光元件的光谱输出的装置,用于从所有光元件的所述光谱输出确定实际色点的装置,以及用于将所述目标色点与所述实际颜色进行比较的装置 并且如果存在差异,则调整所述驱动信号以使差异最小化。
    • 3. 发明申请
    • COLOR CONTROLLED LIGHT SOURCE AND A METHOD FOR CONTROLLING COLOR GENERATION IN A LIGHT SOURCE
    • 颜色控制光源和控制光源中颜色生成的方法
    • US20100315007A1
    • 2010-12-16
    • US12446475
    • 2007-10-23
    • Volkmar SchulzBernd AckermannLorenzo Feri
    • Volkmar SchulzBernd AckermannLorenzo Feri
    • H05B37/02
    • 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,用于对每个所述光元件的驱动信号进行单独的签名调制; 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。 如果有差异,它会调整驱动信号,以最大限度地减少差异。
    • 4. 发明授权
    • Color controlled light source and a method for controlling color generation in a light source
    • 颜色控制光源和用于控制光源中的颜色产生的方法
    • US08158916B2
    • 2012-04-17
    • US12446475
    • 2007-10-23
    • Volkmar SchulzBernd AckermannLorenzo Feri
    • Volkmar SchulzBernd AckermannLorenzo Feri
    • G01J1/20H01J40/14
    • 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,用于对每个所述光元件的驱动信号进行单独的签名调制; 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。 如果有差异,它会调整驱动信号,以最大限度地减少差异。