Terminal sensing device for a disaster prevention monitoring system
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United States of America Patent
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Feb 3, 1998
Grant Date -
N/A
app pub date -
Jun 28, 1996
filing date -
Jun 30, 1995
priority date (Note) -
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Abstract
A transmission processing unit is disposed in a terminal sensing device for a disaster prevention monitoring system. The transmission processing transmits a detection data to a central unit of the system, only when the detection data is equal to or higher than a predetermined level threshold and a difference between the detection data and a detection data of a preceding transmission is equal to or larger than a predetermined level difference threshold .DELTA.TH. Alternatively, the transmission processing unit transmits the detection data to the central unit of the system, only when the detection data is equal to or higher than the predetermined level threshold and a time period which is elapsed after the transmission of the preceding detection data is equal to or longer than a predetermined time period threshold.
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