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    • 7. 发明申请
    • FLASHING LIGHT SYSTEM AND METHOD FOR ENHANCING ALGAE PHOTOSYNTHESIS
    • 闪光灯系统和增强光合光学的方法
    • WO1993019568A1
    • 1993-09-30
    • PCT/US1993002564
    • 1993-03-19
    • UNISYNJORDAN, Jeff, P.
    • UNISYN
    • H05B41/00
    • H05B41/44C12M21/02C12M31/10C12M41/06H05B37/029H05B41/34H05B41/36Y10T307/484Y10T307/76
    • A flashing light system (10) for enhancing algae photosynthesis, including a tank (12) for containing algae in a nutrient medium; a plurality of fluorescent lamps (14) immersed in the algae medium and electrically connected to form n banks of lamps; a continuous power supply (56) for producing an alternating current signal having a frequency of f cycles per second, wherein each x half cycles comprise a power pulse; and a controller (66, 68) for sequentially switching power among the banks of lamps to evenly supply each bank of lamps with a series of power pulses. The power supply operates under a continuous load, while each bank of light source elements produces a plurality of light flashes in a predetermined sequence relative to the other banks at a frequency of 2f/xn pulses per second.
    • 一种用于增强藻类光合作用的闪光系统(10),包括用于在营养培养基中含有藻类的罐(12); 多个荧光灯(14)浸没在藻类介质中并电连接以形成n组灯; 用于产生具有每秒f个周期频率的交流信号的连续电源(56),其中每个x个半周期包括一个功率脉冲; 以及控制器(66,68),用于顺序地在灯组之间切换功率,以均匀地为每一组灯提供一系列功率脉冲。 电源在连续负载下工作,而每一组光源元件以每秒2f / xn脉冲的频率相对于其他存储体以预定顺序产生多个闪光。
    • 9. 发明公开
    • A power supply and control unit for a light system and a lighting unit for the light system
    • Stromversorgungs- und Steuereinheit sowie Beleuchtungseinheitfürein Beleuchtungssystem。
    • EP0502489A1
    • 1992-09-09
    • EP92103647.1
    • 1992-03-03
    • IDMAN OY
    • Kärnä, Juhani
    • H05B37/00
    • H05B41/44H05B37/029H05B39/09
    • The invention relates to a power supply and control unit for a light system, especially an airport approach light system, for making a number of lights go on and out as a progressive light front. The invention is also concerned with a lighting unit (1) suitable for use in combination with this power supply and control unit. To minimize the need for cable laying especially for the light system, the power supply and control unit comprises means (2) for generating clock pulses (b) occurring at a frequency proportional to the rate of progression of the light front; means (3) for generating a control signal (c) comprising recurrent sequences containing a predetermined number of control pulses corresponding to the frequency of the clock pulses and a subsequent portion comprising no control pulses and having a duration equal to one or more cycle times corresponding to the frequency of the clock pulses; and a power stage (4) which is arranged to receive the control signal (c) and a supply (s) from a source of power and to generate at its output voltage pulses (v) in response to the control pulses of the control signal on the basis of said control signal and supply.
    • 本发明涉及一种用于光系统的电源和控制单元,特别是机场接近光系统,用于使许多光作为渐进光前沿进出。 本发明还涉及适合与该电源和控制单元组合使用的照明单元(1)。 为了最小化对光系统的电缆敷设的需要,电源和控制单元包括用于产生以与光前沿的速率成比例的频率发生的时钟脉冲(b)的装置(2) 用于产生控制信号(c)的装置(3),其包括包含对应于所述时钟脉冲的频率的预定数量的控制脉冲的循环序列,以及不包括控制脉冲并且具有等于一个或多个周期时间的持续时间的后续部分 到时钟脉冲的频率; 以及功率级(4),其被配置为从电源接收所述控制信号(c)和电源,并且响应于所述控制信号的控制脉冲而在其输出电压脉冲(v)产生脉冲 基于所述控制信号和供电。