Decentralized tracking and routing system wherein packages are associated with active tags
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United States of America Patent
Stats
-
May 6, 1997
Grant Date -
N/A
app pub date -
Nov 1, 1995
filing date -
Nov 1, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a freight tracking and routing system, each individual package is provided with a tag physically attached thereto. The tag includes a radio or infrared transceiver, and a microprocessor. At important nodes at geographical locations within the distribution system, location transceivers broadcast signals representative of their locations. The microprocessor, in response to receiving a desired destination signal, emits a signal commanding external equipment to take the package so that it remains at the desired location. The tags are also capable of being electronically queried, or alternately can emit distress signals when they do not reach a particular location at a particular time.
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Cited Art Landscape
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