Method and device for measuring color temperature
    1.
    发明申请
    Method and device for measuring color temperature 审中-公开
    用于测量色温的方法和装置

    公开(公告)号:US20060202641A1

    公开(公告)日:2006-09-14

    申请号:US10565144

    申请日:2004-07-12

    CPC classification number: H05B41/2885 H05B41/3922 Y02B20/202

    Abstract: A method for measuring a color temperature (TC) of a light source (2) comprises the steps of: measuring the partial intensity of one predefined blue spectral conpponent (B); measuring the luminance (V); and calculating the quotient BN as representing the color temperature (TC). The color temperature (TC) is calculated on the basis of a predetermined relationship between the color temperature (TC) and the quotient BN. Sensor assembly capable of generating a measuring signal containing information regarding the color temperature of a light source. Switch stage for cooperation with a sensor assembly. Driver for during a lamp with variable color temperature properties. Lamp system comprising a lamp, a sensor assembly and a lamp driver.

    Abstract translation: 用于测量光源(2)的色温(TC)的方法包括以下步骤:测量一个预定义蓝色光谱组件(B)的部分强度; 测量亮度(V); 并计算商BN以表示色温(TC)。 基于色温(TC)和商BN之间的预定关系来计算色温(TC)。 传感器组件能够产生包含关于光源的色温的信息的测量信号。 与传感器组件配合的开关台。 驱动器在一个具有可变色温性能的灯。 灯系统包括灯,传感器组件和灯驱动器。

    Power converter with digital signal processor
    2.
    发明申请
    Power converter with digital signal processor 审中-公开
    带数字信号处理器的电源转换器

    公开(公告)号:US20070133240A1

    公开(公告)日:2007-06-14

    申请号:US10572834

    申请日:2004-09-09

    CPC classification number: H02M1/4225 H02M3/157 H05B41/28 Y02B70/126

    Abstract: An up-converter (100) comprises: an inductor (5) and a diode (6) connected in series with an output (3); a capacitor (8) connected in parallel to said output; a controllable switch (7) having one switch terminal coupled to a node between the inductor and the diode. A control method comprises the steps of feeding the inductor with a rectified AC voltage (Vi); and generating a switch control signal (SC) having a pulse width (TH), for switching the switch open and closed; wherein the switch control signal is generated on the basis of the output voltage (Vo) at said output (3). According to the invention, the up-converter comprises a digital processor (110) which samples the output voltage (Vo), and digitally processes the sampled output voltage (Vo) to calculate the pulse width (TH) of the switch control signal (SC) such that the output voltage (Vo) remains substantially constant.

    Abstract translation: 上变频器(100)包括:与输出(3)串联连接的电感器(5)和二极管(6); 与所述输出并联连接的电容器(8); 可控开关(7),其具有耦合到电感器和二极管之间的节点的一个开关端子。 一种控制方法包括以下步骤:给整流的AC电压(V SUB)馈送电感器; 以及产生具有脉冲宽度(T H H H)的开关控制信号(S SUB),用于开关断开; 其中所述开关控制信号是基于所述输出端(3)处的输出电压(Vo)产生的。 根据本发明,上变频器包括对输出电压(Vo)进行采样的数字处理器(110),并对采样的输出电压(V SUB)进行数字处理以计算脉冲宽度(TH ),使得输出电压(V SUB)保持大致恒定的开关控制信号(S SUB)。

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