Patent ID: 9423664
Filing Date: 2016-08-23
CPC Classification: E06B,G01J,G01K,G01N,G02F,Y02A,Y02B

Claim Text:
1. A method of limiting energy consumption in a facility having at least one tintable window between an interior and exterior of the facility, wherein the level of tinting in the tintable window can be controlled automatically, the method comprising: (a) receiving output signals from any two or more sensors selected from the group consisting of an exterior photosensor, an interior photosensor, an occupancy sensor, an exterior temperature sensor, and a transmissivity sensor; (b) determining a level of tint for said tintable window using a relationship between the received output signals and the level of tint, the relationship being based in part on scheduling information for the facility and whether the window is transitioning from a darker tint to a lighter tint or from a lighter tint to a darker tint; and (c) providing instructions to change the tint of the tintable window to the level of tint determined in (b).