Patent 7746037 was granted and assigned to Airbus Deutschland GmbH on June, 2010 by the United States Patent and Trademark Office.
An electric window dimming device for reducing the light transmission of a window for an aircraft. The electric window dimming device comprises a capacitance. The electric window dimming device is adapted for being connected to the capacitance and to a primary energy source that provides energy. If the primary energy source fails, the capacitance supplies energy for electric window dimming device.