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    • 1. 发明申请
    • METHOD AND APPARATUS FOR LIGHT INTENSITY CONTROL
    • 轻量级控制的方法与装置
    • US20090189530A1
    • 2009-07-30
    • US12297710
    • 2007-04-23
    • Ian AshdownDamien LovelandIngo Speier
    • Ian AshdownDamien LovelandIngo Speier
    • H05B37/02
    • H05B33/0869H05B33/0818
    • The present invention provides a method and apparatus for optical feedback control for an illumination device, wherein the control signal for each array of one or more light-emitting elements corresponding to a particular colour, is independently configured using a modification signal whose frequency is different for each colour. Electronic filters whose center frequencies are substantially equal to the modification signal frequencies of the drive currents for the light-emitting elements are used to discriminate between the radiant flux corresponding to each of the different colours of light-emitting elements, from a sample of the mixed radiant flux output collected by one or more optical sensors. The output of an individual electronic filter is substantially directly proportional to the radiant flux output of the light-emitting elements of the associated colour, which together with the desired luminous flux and chromaticity of the output light, the controller can use to adjust the control signals.
    • 本发明提供了一种用于照明装置的光学反馈控制的方法和装置,其中对应于特定颜色的一个或多个发光元件的每个阵列的控制信号使用修改信号独立地配置,该修改信号的频率不同于 每种颜色。 使用中心频率基本上等于发光元件的驱动电流的修正信号频率的电子滤波器,从混合的样品中鉴别与各种不同颜色的发光元件相对应的辐射通量 由一个或多个光学传感器收集的辐射通量输出。 单个电子滤波器的输出基本上与相关联的颜色的发光元件的辐射通量输出成正比,其与输出光的期望的光通量和色度一起,控制器可以用来调整控制信号 。
    • 2. 发明授权
    • Method and apparatus for light intensity control
    • 光强控制的方法和装置
    • US08159150B2
    • 2012-04-17
    • US12297710
    • 2007-04-23
    • Ian AshdownDamien LovelandIngo Speier
    • Ian AshdownDamien LovelandIngo Speier
    • H05B37/02H05B39/04H05B41/36G05F1/00
    • H05B33/0869H05B33/0818
    • The present invention provides a method and apparatus for optical feedback control for an illumination device, wherein the control signal for each array of one or more light-emitting elements corresponding to a particular color, is independently configured using a modification signal whose frequency is different for each color. Electronic filters whose center frequencies are substantially equal to the modification signal frequencies of the drive currents for the light-emitting elements are used to discriminate between the radiant flux corresponding to each of the different colors of light-emitting elements, from a sample of the mixed radiant flux output collected by one or more optical sensors. The output of an individual electronic filter is substantially directly proportional to the radiant flux output of the light-emitting elements of the associated color, which together with the desired luminous flux and chromaticity of the output light, the controller can use to adjust the control signals.
    • 本发明提供了一种用于照明装置的光学反馈控制的方法和装置,其中对应于特定颜色的一个或多个发光元件的每个阵列的控制信号使用修改信号独立地配置,该修改信号的频率不同于 每种颜色。 使用中心频率基本上等于发光元件的驱动电流的修正信号频率的电子滤波器,从混合的样品中鉴别与各种不同颜色的发光元件相对应的辐射通量 由一个或多个光学传感器收集的辐射通量输出。 单个电子滤波器的输出基本上与相关联的颜色的发光元件的辐射通量输出成正比,其与输出光的期望的光通量和色度一起,控制器可以用来调整控制信号 。
    • 9. 发明申请
    • Luminaire control system and method
    • 灯具控制系统及方法
    • US20080215279A1
    • 2008-09-04
    • US12001786
    • 2007-12-11
    • Marc SalsburyIan AshdownDuncan L. B. SmithShane P. RobinsonIngo Speier
    • Marc SalsburyIan AshdownDuncan L. B. SmithShane P. RobinsonIngo Speier
    • G06F19/00
    • H05B33/0869H05B33/0863
    • The present invention provides a system and method for controlling one or more light-emitting elements which are driven by forward currents to generate mixed light for use, for example, through a luminaire. The system has one or more light sensors for acquiring feedback optical sensor data and a user interface for providing reference data representative of a desired mixed light. The system also has a controller for transforming either the sensor data or the reference data into the coordinate space of the other and to determine a difference between the sensor and the reference data in that coordinate space. The controller is configured to adjust the forward currents during operating conditions so that the sensor data matches the setpoint data. The present invention also provides a system and method that can at least partially compensate certain temperature induced effects when transforming the optical sensor or the reference data.
    • 本发明提供一种用于控制由正向电流驱动的一个或多个发光元件以产生例如通过照明器使用的混合光的系统和方法。 该系统具有用于获取反馈光学传感器数据的一个或多个光传感器和用于提供表示期望的混合光的参考数据的用户界面。 该系统还具有用于将传感器数据或参考数据转换成另一个的坐标空间的控制器,并且确定该坐标空间中的传感器和参考数据之间的差异。 控制器配置为在运行条件下调整正向电流,以使传感器数据与设定值数据匹配。 本发明还提供一种系统和方法,其可以在变换光学传感器或参考数据时至少部分地补偿某些温度感应效应。
    • 10. 发明授权
    • Digitally controlled luminaire system
    • 数控照明系统
    • US07319298B2
    • 2008-01-15
    • US11314190
    • 2005-12-21
    • Paul JungwirthShane P. RobinsonIngo SpeierIan Ashdown
    • Paul JungwirthShane P. RobinsonIngo SpeierIan Ashdown
    • G05F1/00
    • H05B33/0869H05B33/086H05B33/0863H05B33/0872Y10S362/80
    • The present invention provides a luminaire system capable of generating light of a desired chromaticity and luminous flux output during continuous operation with varying ambient operating temperature. The luminaire system can be further capable of maintaining a desired correlated colour temperature during dimming of the luminaire. The luminaire system comprises one or more arrays of light-emitting elements for generating light with a current driver system coupled thereto for selectively supplying electrical drive current to each of the arrays, wherein the current driver system is responsive to drive signals received from a controller. The luminaire system further comprises an optical sensor system for generating optical signals representative of chromaticity and luminous flux output of the light. A heat sensing system is operatively coupled to the one or more arrays for generating signals representative of the junction temperatures of arrays of light-emitting elements during operation. The luminaire system further comprises a controller that is operatively connected to the current driver system, the optical sensor system and the heat sensing system for receiving the signals generated by each of these systems and is configured to generate one or more drive signals for transmission to the current driver system in response to the optical signals and thermal signals received from the optical system and the heat sensing system, respectively, thereby enabling a desired level of control of the output light.
    • 本发明提供了一种能够在具有变化的环境工作温度的连续操作期间产生期望的色度和光通量输出的光的照明系统。 在照明器的调暗期间,照明系统还能够保持期望的相关色温。 照明器系统包括一个或多个发光元件阵列,用于产生具有耦合到其上的电流驱动器系统的光,用于选择性地向每个阵列提供电驱动电流,其中当前驱动器系统响应于从控制器接收的驱动信号。 照明系统还包括用于产生表示光的色度和光通量输出的光信号的光学传感器系统。 热感测系统可操作地耦合到一个或多个阵列,用于在操作期间产生表示发光元件阵列的结温的信号。 灯具系统还包括可操作地连接到当前驱动器系统,光学传感器系统和热感测系统的控制器,用于接收由这些系统中的每一个产生的信号,并且被配置为产生一个或多个驱动信号以传输到 电流驱动器系统,分别响应从光学系统和热感测系统接收的光信号和热信号,从而实现对输出光的期望水平的控制。