Patent ID: 6483434
Filing Date: 2002-11-19
Classification: B65D,G06K,Y02W

Abstract:
A container tracking system comprising:a trackable container or carrier including: a housing body; and a transponder disposed on the housing body, the transponder having a memory and being configured for transmitting and receiving data to and from the memory; and a computer tracking system comprising: a plurality of read/write units, each unit being configured for transmitting and receiving data to and from the memory of the transponder, the data concerning at least a location of the container corresponding to a location of said each read/write unit, and a processing unit disposed at a distance remote from the container and being configured for receiving the data from at least one of said read/write units and the transponder, the processing unit thereby permitting a monitoring of the data; wherein the transponder includes a timer coupled to the memory therein for recording a time between two events, the timer being adapted to generate a value corresponding to the time elapsed and to transmit the sensed value to the memory, the data thereby including the value corresponding to the time elapsed, wherein the two events correspond to a starting and a stopping of the timer by two of the read/write units.