An object locating system includes a transmitter unit for activating a plurality of electronic tags to assist in locating keys, remote control devices, cordless phones, eyeglasses, articles of clothing, etc. to which the tags have been attached. The tags are self-contained, battery powered devices that...http://www.google.com/patents/US20040252030?utm_source=gb-gplus-sharePatent US20040252030 - Object locating system including addressable remote tags
