US Patent:
20040012951, Jan 22, 2004
Inventors:
Russell Pylkki - St. Paul MN, US
Tyler Moersch - Minneapolis MN, US
Darrel Rhea - Redwood City CA, US
Alex Tan - Eindhoven, NL
Marko Macura - Eindhoven, NL
International Classification:
F21S008/00
US Classification:
362/152000, 362/276000, 340/628000
Abstract:
A window unit that includes a window frame defining a frame perimeter and a glazing unit located within the frame perimeter. A window illumination element is on the glazing unit and produces an illuminated visual indicator in response to an activating signal. The activating signal may come from a smoke alarm or other alarm system. The window unit may also include additional illumination elements on the window frame or above the window and a speaker that responds to the activating signal.