US Patent 7552031 Personal items network, and associated methods

A personal items network, including several items, each item having a wireless communications port for coupling in network with every other item is provided. Each item has a processor for determining if any other item in the network is no longer linked to the item, and an indicator for informing a user that an item has left the network, wherein a user may locate lost items. A method for locating lost personal items is also provided. The method includes linking at least two personal items together on a network, and depositing one or both of time and location information in an unlost item when one of the items is lost out of network.