Patent ID: 7026768
Filing Date: 2006-04-11
Classification: G08B,H05B

Abstract:
1. Apparatus comprising: a first arrangement of light units including a first plurality of electrically interconnected light units, each including a lamp, with the first plurality of light units extending in a first direction from a first light unit at a first end of the first plurality of light units to a last light unit and an end of the first plurality of light units opposite the first end; and a control unit including a battery, a plug for attachment to an external electrical power source, a first switching circuit, and a lamp circuit, electrically connected to the first arrangement of light units and additionally electrically connected to the battery by the first switching circuit in response to termination of a flow of electrical current through the plug from the external electrical power source, to illuminate all light units within the first plurality in a first sequence, wherein each light unit disposed between the first light unit and the last light unit is illuminated after a light unit adjacently disposed opposite the first direction is illuminated and before a light unit adjacently disposed in the first direction is illuminated.