In the event of a power outage, a lamp with rechargeable batteries automatically illuminates. The lamp may be a detachable flashlight that is mechanically and electrically connected to a pole lamp or a desk lamp, for instance, so that its batteries recharge when power is available for the pole lamp or...http://www.google.ca/patents/US7938555?utm_source=gb-gplus-sharePatent US7938555 - Emergency preparedness lamp
