US 12,219,676 B2
Systems and methods for controlling color temperature
Ethan Charles Biery, Orefield, PA (US); Craig Alan Casey, Coopersburg, PA (US); Venkatesh Chitta, Center Valley, PA (US); Brent Protzman, Easton, PA (US); Thomas M. Shearer, Macungie, PA (US); and Mark S. Taipale, Harleysville, PA (US)
Assigned to Lutron Technology Company LLC, Coopersburg, PA (US)
Filed by Lutron Technology Company LLC, Coopersburg, PA (US)
Filed on Nov. 14, 2022, as Appl. No. 17/986,472.
Application 17/986,472 is a continuation of application No. 17/081,981, filed on Oct. 27, 2020, granted, now 11,503,682.
Application 17/081,981 is a continuation of application No. 16/543,038, filed on Aug. 16, 2019, granted, now 10,827,578, issued on Nov. 3, 2020.
Application 16/543,038 is a continuation of application No. 15/832,716, filed on Dec. 5, 2017, granted, now 10,420,185, issued on Sep. 17, 2019.
Claims priority of provisional application 62/430,310, filed on Dec. 5, 2016.
Prior Publication US 2023/0072726 A1, Mar. 9, 2023
Int. Cl. H05B 45/20 (2020.01); H05B 45/22 (2020.01); H05B 47/19 (2020.01)
CPC H05B 45/20 (2020.01) [H05B 45/22 (2020.01); H05B 47/19 (2020.01)] 17 Claims
OG exemplary drawing
 
1. A lighting system controller to control illumination provided by a plurality of lighting fixtures disposed in a space, the controller comprising:
memory circuitry;
communication circuitry; and
lighting system controller circuitry communicatively coupled to the memory circuitry and to the communication circuitry, the lighting system controller circuitry to:
retrieve fixture capability information including an illumination parameter range from each respective one of the plurality of lighting fixtures disposed in the space;
determine a space capability using the retrieved fixture capability information received from each of the plurality of lighting fixtures;
determine a color mixing curve using the fixture capability information retrieved from each of the plurality of lighting fixtures;
responsive to receipt of a desired target illumination parameter, determine whether the desired target illumination parameter falls outside the determined space capability;
responsive to the determination that the desired target illumination parameter falls outside the determined space capability, identify as a low-performing light fixture one or more lighting fixtures that, when placed in an ILLUMINATED state, would cause the target illumination parameter to fall outside the determined space capability;
transmit one or more first instructions that cause the one or more identified low-performing lighting fixtures to transition to a NON-ILLUMINATED state;
transmit one or more second instructions that cause the remaining plurality of lighting fixtures to transition to an ILLUMINATED state to provide the target illumination parameter;
determine power consumption as a function of the determined color mixing curve based on the power consumption of each of the plurality of lighting fixtures at a defined point on the color mixing curve; and
control intensity of the plurality of lighting fixtures to maintain the determined power consumption below a defined power consumption threshold.