DISTRIBUTED VERIFICATION, CONFIRMATION OR DELAY TIME SYSTEM AND METHOD
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United States of America Patent
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Oct 8, 2002
Grant Date -
Oct 24, 2002
app pub date -
Feb 28, 2001
filing date -
Feb 28, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A multi-unit monitoring system includes a plurality of units coupled to a communication medium. The system can also incorporate a common control element coupled to the medium. The individual units include control circuitry which is capable of carrying out verification, confirmation, or entry/exit delay processing. While the control element can receive messages from the various units indicative of their status, the units themselves carry out the respective timing functions.
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