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公开(公告)号:US08829805B2
公开(公告)日:2014-09-09
申请号:US13369646
申请日:2012-02-09
申请人: Stephen Thompson , Graham Booth , Clive Lopez
发明人: Stephen Thompson , Graham Booth , Clive Lopez
IPC分类号: G05F1/00
CPC分类号: H05B33/0815 , H05B41/3921
摘要: A variable load circuit (2) is provided for use with a dimmer (1). A low wattage load such as a LED (3) is provided in series with the dimmer and the variable load circuit is provided in parallel with the LED. The variable load circuit has two different load characteristics: when the applied voltage from the dimmer is below a threshold, the variable load circuit presents a fixed load (24), and when the applied voltage is above a threshold the variable load circuit presents a variable load so as to act as a constant current sink. The variable load is provided by a secondary load portion (25) which may or may not act in combination with the fixed load (24), and the secondary load portion (25) is switched in or out of the variable load circuit by a trigger circuit portion (26).
摘要翻译: 提供可变负载电路(2)以与调光器(1)一起使用。 提供诸如LED(3)的低功率负载与调光器串联,并且可变负载电路与LED并联设置。 可变负载电路具有两种不同的负载特性:当来自调光器的施加电压低于阈值时,可变负载电路呈现固定负载(24),并且当施加的电压高于阈值时,可变负载电路呈现变量 负载,以充当恒流槽。 可变负载由次级负载部分(25)提供,二次负载部分(25)可以与固定负载(24)组合起作用,也可以不与负载(24)组合起动,并且次级负载部分(25)通过触发器 电路部分(26)。
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公开(公告)号:US20120139431A1
公开(公告)日:2012-06-07
申请号:US13369646
申请日:2012-02-09
申请人: Stephen Thompson , Graham Booth , Clive Lopez
发明人: Stephen Thompson , Graham Booth , Clive Lopez
IPC分类号: H05B37/02
CPC分类号: H05B33/0815 , H05B41/3921
摘要: A variable load circuit (2) is provided for use with a dimmer (1). A low wattage load such as a LED (3) is provided in series with the dimmer and the variable load circuit is provided in parallel with the LED. The variable load circuit has two different load characteristics: when the applied voltage from the dimmer is below a threshold, the variable load circuit presents a fixed load (24), and when the applied voltage is above a threshold the variable load circuit presents a variable load so as to act as a constant current sink. The variable load is provided by a secondary load portion (25) which may or may not act in combination with the fixed load (24), and the secondary load portion (25) is switched in or out of the variable load circuit by a trigger circuit portion (26).
摘要翻译: 提供可变负载电路(2)以与调光器(1)一起使用。 提供诸如LED(3)的低功率负载与调光器串联,并且可变负载电路与LED并联设置。 可变负载电路具有两种不同的负载特性:当来自调光器的施加电压低于阈值时,可变负载电路呈现固定负载(24),并且当施加的电压高于阈值时,可变负载电路呈现变量 负载,以充当恒流槽。 可变负载由次级负载部分(25)提供,二次负载部分(25)可以与固定负载(24)组合起作用,也可以不与负载(24)组合起动,并且次级负载部分(25)通过触发器 电路部分(26)。
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公开(公告)号:US08169154B2
公开(公告)日:2012-05-01
申请号:US12438587
申请日:2007-09-04
申请人: Stephen Thompson , Graham Booth , Clive Lopez
发明人: Stephen Thompson , Graham Booth , Clive Lopez
IPC分类号: G05F1/00
CPC分类号: H05B33/0815 , H05B41/3921
摘要: A variable load circuit (2) is provided for use with a dimmer (1). A low wattage load such as a LED (3) is provided in series with the dimmer and the variable load circuit is provided in parallel with the LED. The variable load circuit has two different load characteristics: when the applied voltage from the dimmer is below a threshold, the variable load circuit presents a fixed load (24), and when the applied voltage is above a threshold the variable load circuit presents a variable load so as to act as a constant current sink. The variable load is provided by a secondary load portion (25) which may or may not act in combination with the fixed load (24), and the secondary load portion (25) is switched in or out of the variable load circuit by a trigger circuit portion (26).
摘要翻译: 提供可变负载电路(2)以与调光器(1)一起使用。 提供诸如LED(3)的低功率负载与调光器串联,并且可变负载电路与LED并联设置。 可变负载电路具有两种不同的负载特性:当来自调光器的施加电压低于阈值时,可变负载电路呈现固定负载(24),并且当施加的电压高于阈值时,可变负载电路呈现变量 负载,以充当恒流槽。 可变负载由次级负载部分(25)提供,二次负载部分(25)可以与固定负载(24)组合起作用,也可以不与负载(24)组合起动,并且次级负载部分(25)通过触发器 电路部分(26)。
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公开(公告)号:US20100013405A1
公开(公告)日:2010-01-21
申请号:US12438587
申请日:2007-09-04
申请人: Stephen Thompson , Graham Booth , Clive Lopez
发明人: Stephen Thompson , Graham Booth , Clive Lopez
IPC分类号: H05B37/02
CPC分类号: H05B33/0815 , H05B41/3921
摘要: A variable load circuit (2) is provided for use with a dimmer (1). A low wattage load such as a LED (3) is provided in series with the dimmer and the variable load circuit is provided in parallel with the LED. The variable load circuit has two different load characteristics: when the applied voltage from the dimmer is below a threshold, the variable load circuit presents a fixed load (24), and when the applied voltage is above a threshold the variable load circuit presents a variable load so as to act as a constant current sink. The variable load is provided by a secondary load portion (25) which may or may not act in combination with the fixed load (24), and the secondary load portion (25) is switched in or out of the variable load circuit by a trigger circuit portion (26).
摘要翻译: 提供可变负载电路(2)以与调光器(1)一起使用。 提供诸如LED(3)的低功率负载与调光器串联,并且可变负载电路与LED并联设置。 可变负载电路具有两种不同的负载特性:当来自调光器的施加电压低于阈值时,可变负载电路呈现固定负载(24),并且当施加的电压高于阈值时,可变负载电路呈现变量 负载,以充当恒流槽。 可变负载由次级负载部分(25)提供,二次负载部分(25)可以与固定负载(24)组合起作用,也可以不与负载(24)组合起动,并且次级负载部分(25)通过触发器 电路部分(26)。
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