SUN WINDOW Russian patent published in 2001 - IPC

FIELD: construction engineering; devices controlling admittance of light to room. SUBSTANCE: sun window has frames with glasses fixed in window casing and is also provided with additional frame with polarized glass. Additional frame is free to turn; it is coupled with turning mechanism driven by electric motor incorporating control system. The latter has solar cells mounted on external side of window and electrically connected to storage battery through adjustment unit. Storage battery is connected to electric motor through adjustment unit. The latter is connected to light-sensitive device installed on inner side of window. EFFECT: provision for regulating optical transmission in room. 2 cl, 2 dwg