Patent ID: 8882033

Claim:
A passenger cabin emergency oxygen device for an aircraft, comprising: at least one electrically driven activation device for activating the emergency oxygen device; at least one energy storage device for storing electrical energy and supplying said electrical energy to the at least one activation device; at least one controller adapted for receiving a signal to activate the emergency oxygen device; a source of electrical energy, wherein said source of electrical energy and said energy storage device are coupled together for substantially constant energy transmission from the source of electrical energy to the energy storage device at a first energy level, wherein said activation device and said controller are coupled together for signal transmission from the controller to the activation device, wherein said activation device and said energy storage device are coupled together for energy transmission from the energy storage device to the activation device at a second energy level which is higher than the first energy level, wherein said activation device, said energy storage device and said controller build one single unit adapted to be inserted into a roof element of an aircraft cabin interior.