Patent ID: 11950340
Assignee: VIEW, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F  G  Y | IPC F  G  H

Claim 20:
21. At least one controller for controlling color of light in a room having one or more tintable windows, the at least one controller comprising:
a computer readable medium having control logic; and
circuitry in communication with the computer readable medium and with the one or more tintable windows,
wherein the control logic is configured to:
determine, or direct determination of, a tint state for at least one of the one or more tintable windows using at least a clear sky irradiance value predicted to occur at a future time during clear sky conditions;

calculate, or direct calculation of, a current internal color rendering index (CRI) value in the room using an external CRI value and the tint state of the at least one of the tintable windows;
using the current internal CRI value to determine, or direct determination of, one or more new settings for artificial interior lighting in the room, wherein the one or more new settings are determined to obtain a desired color of light in the room; and
send, or direct sending of, control signals to adjust the artificial interior lighting to the one or more new settings.