Gentex Corporation
Location based adjustable windows

Abstract:

A window assembly includes a window having an electro-optic device configured to limit light transmissivity through the window and a geographic positioning system. A controller is in communication with the geographic positioning system and is configured to limit a range of light transmissivity of the electro-optic device based on a location detected by the geographic positioning system. A manual adjustment control configured to allow a user to adjust the light transmissivity of the window based on the range of light transmissivity provided by the controller.