System for communication between a central controller and items in a factory using infrared light
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United States of America Patent
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Apr 21, 1998
Grant Date -
N/A
app pub date -
Sep 1, 1995
filing date -
Sep 1, 1995
priority date (Note) -
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Abstract
A system using microterminals attached to work pieces, containers and workers for tracking the location of work in a factory and for communication with workers to provide instructions for further processing. A central control system, to which infrared transceivers strategically located throughout the factory are wired, communicates with the microterminals via infrared transmissions between the microterminals and transceivers. The microterminals have four modes of operation to extend battery life.
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