Lighting control module, a lighting system using the same and a method of setting a dimming level
First Claim
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1. A lighting control module, comprising:
- an interface for receiving a dimming setting;
a memory for storing the dimming setting;
an output circuit for generating a dimming control signal for application to an external dimming interface of a lighting driver circuit based on the dimming setting stored in the memory and a measured ambient light level; and
a power supply circuit for powering the output circuit based on power received from the external dimming interface of the lighting driver circuit, wherein the dimming setting is for processing an externally input dimming setting to rescale a dimming function in response to said measured ambient light level requiring a voltage input to said lighting driver circuit that is below a minimum voltage, of said dimming control signal, producible by said output circuit.
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Abstract
A lighting control module comprises an interface for receiving a dimming setting and a memory for storing the dimming setting. Based on the dimming setting, an output circuit generates a dimming control signal for application to a conventional dimming interface of a lighting driver circuit. For this purpose, power is received from the dimming interface. This provides a simple to use way to implement a controllable brightness, which makes use of a dimming driver but used for a luminaire which does not need to be within a networked dimmable system architecture.
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Citations
15 Claims
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1. A lighting control module, comprising:
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an interface for receiving a dimming setting; a memory for storing the dimming setting; an output circuit for generating a dimming control signal for application to an external dimming interface of a lighting driver circuit based on the dimming setting stored in the memory and a measured ambient light level; and a power supply circuit for powering the output circuit based on power received from the external dimming interface of the lighting driver circuit, wherein the dimming setting is for processing an externally input dimming setting to rescale a dimming function in response to said measured ambient light level requiring a voltage input to said lighting driver circuit that is below a minimum voltage, of said dimming control signal, producible by said output circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of setting a dimming level of a lighting system which comprises a lighting driver with a dimming interface, the method comprising:
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connecting a lighting control module to the dimming interface; sending a dimming setting from a configuration device to the lighting control module; storing the dimming setting in the lighting control module; using power provided by the lighting driver to the dimming interface, powering the lighting control module and reading the stored dimming setting; and within the lighting driver, setting the dimming level based on the stored dimming setting and a measured ambient light level, wherein the dimming setting is used for processing an externally input dimming setting to rescale a dimming function in response to said measured ambient light level requiring a voltage input to said lighting driver that is below a minimum voltage, of a dimming control signal, producible by an output circuit for application to said lighting driver. - View Dependent Claims (14, 15)
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Specification