Determination of lighting contributions for light fixtures using optical bursts
First Claim
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1. A light sensor system comprising:
- a light sensor operable to generate light level data based on measured light levels; and
a controller, coupled with the light sensor, operable;
to determine a nominal light level based on the light level data,to identify an optical burst pattern in the light level data generated by a light fixture, wherein the light fixture is remotely disposed relative to the light sensor, and wherein the burst pattern includes a plurality of pulses having an intensity less than the nominal light level,to determine a lighting contribution of the light fixture based on both the optical burst pattern and the nominal light level, wherein the lighting contribution is related to the change in amplitude of the burst pattern as compared to the nominal light level;
to generate an instruction to adjust the optical output of the light fixture based on the lighting contribution of the light fixture; and
to wirelessly send the instruction to the light fixture.
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Abstract
Methods and systems herein provide for determining lighting contributions of light fixtures to an environment. In one embodiment, a system includes a light sensor and a controller. The light sensor generates light level data based on measured light levels. The controller determines a nominal light level based on the light level data, and identifies an optical burst pattern in the light level data generated by a light fixture. The controller then determines a lighting contribution of the light fixture based on the optical burst pattern and the nominal light level.
43 Citations
24 Claims
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1. A light sensor system comprising:
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a light sensor operable to generate light level data based on measured light levels; and a controller, coupled with the light sensor, operable; to determine a nominal light level based on the light level data, to identify an optical burst pattern in the light level data generated by a light fixture, wherein the light fixture is remotely disposed relative to the light sensor, and wherein the burst pattern includes a plurality of pulses having an intensity less than the nominal light level, to determine a lighting contribution of the light fixture based on both the optical burst pattern and the nominal light level, wherein the lighting contribution is related to the change in amplitude of the burst pattern as compared to the nominal light level; to generate an instruction to adjust the optical output of the light fixture based on the lighting contribution of the light fixture; and to wirelessly send the instruction to the light fixture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method occurring at a light sensor comprising:
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generating light level data based on measured light levels; determining a nominal light level based on the light level data; identifying an optical burst pattern in the light level data generated by a light fixture, wherein the light fixture is remotely disposed relative to the light sensor, and wherein the burst pattern includes a plurality of pulses having an intensity less than the nominal light level; determining a lighting contribution of the light fixture based on both the optical burst pattern and the nominal light level, wherein the lighting contribution is related to the change in amplitude of the burst pattern as compared to the nominal light level; generating an instruction to adjust the optical output of the light fixture based on the lighting contribution of the light fixture; and sending the instruction to the light fixture. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A light fixture comprising:
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a light source operable to provide an optical output; and a controller operable; to modulate the optical output of the light source to generate an optical burst pattern that is substantially imperceptible, and wherein the optical burst pattern includes a plurality of pulses having an intensity less than a nominal light level, to receive from a light sensor information for a lighting contribution of the light source at the light sensor, wherein the lighting contribution is based on both the optical burst pattern and the nominal light level at the light sensor, wherein the lighting contribution is related to the change in amplitude of the burst pattern as compared to the nominal light level, and to adjust the optical output of the light source based on the lighting contribution. - View Dependent Claims (20, 21)
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22. A method comprising:
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modulating an optical output of a light source to generate an optical burst pattern that is substantially imperceptible, and wherein the optical burst pattern includes a plurality of pulses having an intensity less than a nominal light level; receiving from a light sensor information for a lighting contribution of the light source at the light sensor based on both the optical burst pattern and the nominal light level at the light sensor, wherein the lighting contribution is related to the change in amplitude of the burst pattern as compared to the nominal light level; and adjusting the optical output of the light source based on the lighting contribution. - View Dependent Claims (23, 24)
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Specification