INTEGRATED SENSOR AND LIGHT LEVEL ADJUSTMENT APPARATUS FOR "DAYLIGHT HARVESTING"
First Claim
1. A daylight harvesting apparatus for controlling an amount of light in an associated work area comprising, a sensor assembly for sensing an amount of illumination in a proximity of the apparatus;
- a controller for receiving a value representing the amount of illumination and for determining an lamp control signal to be provided based on the amount of illumination; and
an artificial light source for providing light, corresponding to the lamp control signal, to the work area.
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Accused Products
Abstract
The invention is directed at a method and system for controlling lighting in an enclosed space. A daylight harvesting apparatus for controlling an amount of light in an associated work area comprises a sensor assembly for sensing an amount of illumination in a proximity of the apparatus; a controller for receiving a value representing the amount of illumination and for determining an lamp control signal to be provided based on the amount of illumination; and an artificial light source for providing light, corresponding to the lamp control signal, to the work area.
39 Citations
17 Claims
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1. A daylight harvesting apparatus for controlling an amount of light in an associated work area comprising,
a sensor assembly for sensing an amount of illumination in a proximity of the apparatus; -
a controller for receiving a value representing the amount of illumination and for determining an lamp control signal to be provided based on the amount of illumination; and
an artificial light source for providing light, corresponding to the lamp control signal, to the work area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system for controlling light provided to an enclosed space comprising:
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a plurality of daylight harvesting apparatuses, located at predetermined locations throughout the enclosed space, each daylight harvesting apparatus including;
a sensor assembly for sensing an amount of illumination in a proximity of the apparatus;
a controller for receiving a value representing the amount of illumination and for determining an lamp control signal to be provided based on the amount of illumination; and
an artificial light source for providing light, corresponding to the artificial light source control signal, to the work area.
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17. A method for controlling an amount of light in an associated work area comprising:
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sensing an amount of illumination in the work area;
transmitting a value representing the amount of illumination to a controller;
calculating a light control signal based on the value representing the amount of illumination using a dimming curve generator;
transmitting the provided light value to a ballast; and
powering an artificial light source based on the provided light value.
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Specification