Method and system for luminance characterization
First Claim
1. A system for luminance characterization of a luminaire comprising:
- a ballast coil;
a multi-tap capacitor connected in series with the ballast coil, wherein the multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing;
a plurality of switches, wherein each switch is coupled to one of the plurality of tap capacitors for selectively coupling the tap capacitors together to produce a multi-tap capacitance corresponding to a configuration of the plurality of switches;
a lamp connected in series with the multi-tap capacitor and the ballast coil;
a photometer located to measure light intensity of the lamp and to produce a lumen output measurement; and
a memory for storing a database having a plurality of lumen output measurements corresponding to each multi-tap capacitance, wherein each multi-tap capacitance corresponds to one of a set of all configurations of the plurality of switches.
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Accused Products
Abstract
A system for luminance characterization of a luminaire includes a ballast coil and a multi-tap capacitor connected in series with the ballast coil. The multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing. A plurality of switches are each coupled to one of the plurality of tap capacitors for selectively coupling the tap capacitors together to produce a multi-tap capacitance corresponding to a configuration of the plurality of switches. A lamp is connected in series with the multi-tap capacitor and the ballast coil. A photometer is located to measure light intensity of the lamp and to produce a lumen output measurement. A memory is used to store a database having a plurality of lumen output measurements, each corresponding to a multi-tap capacitance corresponding to all configurations of the plurality of switches.
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Citations
20 Claims
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1. A system for luminance characterization of a luminaire comprising:
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a ballast coil;
a multi-tap capacitor connected in series with the ballast coil, wherein the multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing;
a plurality of switches, wherein each switch is coupled to one of the plurality of tap capacitors for selectively coupling the tap capacitors together to produce a multi-tap capacitance corresponding to a configuration of the plurality of switches;
a lamp connected in series with the multi-tap capacitor and the ballast coil;
a photometer located to measure light intensity of the lamp and to produce a lumen output measurement; and
a memory for storing a database having a plurality of lumen output measurements corresponding to each multi-tap capacitance, wherein each multi-tap capacitance corresponds to one of a set of all configurations of the plurality of switches. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for luminance characterization of a luminaire comprising:
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providing a ballast coil;
connecting a multi-tap capacitor in series with the ballast coil, wherein the multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing;
coupling a plurality of switches to each one of the plurality of tap capacitors for selectively coupling the tap capacitors together to produce a multi-tap capacitance corresponding to a configuration of the plurality of switches;
connected a lamp in series with the multi-tap capacitor and the ballast coil;
locating a photometer to measure light intensity of the lamp and to produce a lumen output measurement; and
storing a database in a memory, wherein the database has a plurality of lumen output measurements that correspond to each multi-tap capacitance, wherein each multi-tap capacitance corresponds to one of a set of all configurations of the plurality of switches;
- View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A computer data set embodied on a computer-readable medium, wherein the data set comprises records pertaining to lumen output measurements of a luminaire, wherein the luminaire has:
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a ballast coil;
a multi-tap capacitor connected in series with the ballast coil, wherein the multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing;
a plurality of switches, wherein each switch is coupled to one of the plurality of tap capacitors for selectively coupling the tap capacitors together to produce a multi-tap capacitance corresponding to a configuration of the plurality of switches;
a lamp connected in series with the multi-tap capacitor and the ballast coil;
wherein the data set has a plurality of records relating the lumen output measurements to each multi-tap capacitance, wherein each multi-tap capacitance corresponds to one of a set of configurations of the plurality of switches. - View Dependent Claims (19, 20)
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Specification