DYNAMICALLY UPDATING A TIME INTERVAL OF A GPS
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United States of America Patent
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Issued Date -
Jan 22, 2015
app pub date -
Jul 16, 2013
filing date -
Jul 16, 2013
priority date (Note) -
Abandoned
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Abstract
A seismic system includes a wireless sensor node. The wireless sensor node includes a global positioning system (GPS) device to receive a GPS time value at an interval; a temperature sensor to measure temperature; an oscillator to measure time; and a memory to store the GPS time value, the temperature, and the oscillator time. The wireless sensor node also includes a processor to determine a rate of temperature change during the interval, and to dynamically update the interval to receive the GPS time value from the GPS device, based on the rate of temperature change.
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