Patent ID: 6804578
Filing Date: 2004-10-12
Classification: G06K,G06Q

Abstract:
A system for tracking a plurality of objects on a real time basis, said system comprising:a) at least one host controller, b) a plurality of tags associated with a plurality of objects and movable therewith, c) a reader assembly structured to receive transmitted data from said plurality of tags at least when said plurality of tags are within a predetermined locale, and d) at least some of said plurality of tags including multi frequency capabilities at least partially defined by activation of said tags at a first frequency and transmission of data from said tags to said reader assembly at a second frequency, e) said reader assembly communicative with said host controller to facilitate determination of a status of individual ones of said plurality of tags within said predetermined locale, and f) at least some of said plurality of tags structured to repeatedly transmit status data to said reader assembly for a predetermined time while activated.